 >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
<<<<<<<<<<<<ffffffffffffffffffffffffffff<<<<<<<<<<<<<<<<<<<

<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>.


PK       ! ��;  ;    password-toggle.jsnu �[���        /**
 * Adds functionality for password visibility buttons to toggle between text and password input types.
 *
 * @since 6.3.0
 * @output wp-admin/js/password-toggle.js
 */

( function () {
	var toggleElements, status, input, icon, label, __ = wp.i18n.__;

	toggleElements = document.querySelectorAll( '.pwd-toggle' );

	toggleElements.forEach( function (toggle) {
		toggle.classList.remove( 'hide-if-no-js' );
		toggle.addEventListener( 'click', togglePassword );
	} );

	function togglePassword() {
		status = this.getAttribute( 'data-toggle' );
		input = this.parentElement.children.namedItem( 'pwd' );
		icon = this.getElementsByClassName( 'dashicons' )[ 0 ];
		label = this.getElementsByClassName( 'text' )[ 0 ];

		if ( 0 === parseInt( status, 10 ) ) {
			this.setAttribute( 'data-toggle', 1 );
			this.setAttribute( 'aria-label', __( 'Hide password' ) );
			input.setAttribute( 'type', 'text' );
			label.innerHTML = __( 'Hide' );
			icon.classList.remove( 'dashicons-visibility' );
			icon.classList.add( 'dashicons-hidden' );
		} else {
			this.setAttribute( 'data-toggle', 0 );
			this.setAttribute( 'aria-label', __( 'Show password' ) );
			input.setAttribute( 'type', 'password' );
			label.innerHTML = __( 'Show' );
			icon.classList.remove( 'dashicons-hidden' );
			icon.classList.add( 'dashicons-visibility' );
		}
	}
} )();
PK       ! 8�_É  �    media-upload.jsnu �[���        /**
 * Contains global functions for the media upload within the post edit screen.
 *
 * Updates the ThickBox anchor href and the ThickBox's own properties in order
 * to set the size and position on every resize event. Also adds a function to
 * send HTML or text to the currently active editor.
 *
 * @file
 * @since 2.5.0
 * @output wp-admin/js/media-upload.js
 *
 * @requires jQuery
 */

/* global tinymce, QTags, wpActiveEditor, tb_position */

/**
 * Sends the HTML passed in the parameters to TinyMCE.
 *
 * @since 2.5.0
 *
 * @global
 *
 * @param {string} html The HTML to be sent to the editor.
 * @return {void|boolean} Returns false when both TinyMCE and QTags instances
 *                        are unavailable. This means that the HTML was not
 *                        sent to the editor.
 */
window.send_to_editor = function( html ) {
	var editor,
		hasTinymce = typeof tinymce !== 'undefined',
		hasQuicktags = typeof QTags !== 'undefined';

	// If no active editor is set, try to set it.
	if ( ! wpActiveEditor ) {
		if ( hasTinymce && tinymce.activeEditor ) {
			editor = tinymce.activeEditor;
			window.wpActiveEditor = editor.id;
		} else if ( ! hasQuicktags ) {
			return false;
		}
	} else if ( hasTinymce ) {
		editor = tinymce.get( wpActiveEditor );
	}

	// If the editor is set and not hidden,
	// insert the HTML into the content of the editor.
	if ( editor && ! editor.isHidden() ) {
		editor.execCommand( 'mceInsertContent', false, html );
	} else if ( hasQuicktags ) {
		// If quick tags are available, insert the HTML into its content.
		QTags.insertContent( html );
	} else {
		// If neither the TinyMCE editor and the quick tags are available,
		// add the HTML to the current active editor.
		document.getElementById( wpActiveEditor ).value += html;
	}

	// If the old thickbox remove function exists, call it.
	if ( window.tb_remove ) {
		try { window.tb_remove(); } catch( e ) {}
	}
};

(function($) {
	/**
	 * Recalculates and applies the new ThickBox position based on the current
	 * window size.
	 *
	 * @since 2.6.0
	 *
	 * @global
	 *
	 * @return {Object[]} Array containing jQuery objects for all the found
	 *                    ThickBox anchors.
	 */
	window.tb_position = function() {
		var tbWindow = $('#TB_window'),
			width = $(window).width(),
			H = $(window).height(),
			W = ( 833 < width ) ? 833 : width,
			adminbar_height = 0;

		if ( $('#wpadminbar').length ) {
			adminbar_height = parseInt( $('#wpadminbar').css('height'), 10 );
		}

		if ( tbWindow.length ) {
			tbWindow.width( W - 50 ).height( H - 45 - adminbar_height );
			$('#TB_iframeContent').width( W - 50 ).height( H - 75 - adminbar_height );
			tbWindow.css({'margin-left': '-' + parseInt( ( ( W - 50 ) / 2 ), 10 ) + 'px'});
			if ( typeof document.body.style.maxWidth !== 'undefined' )
				tbWindow.css({'top': 20 + adminbar_height + 'px', 'margin-top': '0'});
		}

		/**
		 * Recalculates the new height and width for all links with a ThickBox class.
		 *
		 * @since 2.6.0
		 */
		return $('a.thickbox').each( function() {
			var href = $(this).attr('href');
			if ( ! href ) return;
			href = href.replace(/&width=[0-9]+/g, '');
			href = href.replace(/&height=[0-9]+/g, '');
			$(this).attr( 'href', href + '&width=' + ( W - 80 ) + '&height=' + ( H - 85 - adminbar_height ) );
		});
	};

	// Add handler to recalculates the ThickBox position when the window is resized.
	$(window).on( 'resize', function(){ tb_position(); });

})(jQuery);
PK       ! '�8��	  �	    media.min.jsnu �[���        /*! This file is auto-generated */
!function(t){window.findPosts={open:function(n,e){var i=t(".ui-find-overlay");return 0===i.length&&(t("body").append('<div class="ui-find-overlay"></div>'),findPosts.overlay()),i.show(),n&&e&&t("#affected").attr("name",n).val(e),t("#find-posts").show(),t("#find-posts-input").trigger("focus").on("keyup",function(n){27==n.which&&findPosts.close()}),findPosts.send(),!1},close:function(){t("#find-posts-response").empty(),t("#find-posts").hide(),t(".ui-find-overlay").hide()},overlay:function(){t(".ui-find-overlay").on("click",function(){findPosts.close()})},send:function(){var n={ps:t("#find-posts-input").val(),action:"find_posts",_ajax_nonce:t("#_ajax_nonce").val()},e=t(".find-box-search .spinner");e.addClass("is-active"),t.ajax(ajaxurl,{type:"POST",data:n,dataType:"json"}).always(function(){e.removeClass("is-active")}).done(function(n){n.success||t("#find-posts-response").text(wp.i18n.__("An error has occurred. Please reload the page and try again.")),t("#find-posts-response").html(n.data)}).fail(function(){t("#find-posts-response").text(wp.i18n.__("An error has occurred. Please reload the page and try again."))})}},t(function(){var o,n,e=t("#wp-media-grid"),i=new ClipboardJS(".copy-attachment-url.media-library"),s=null;e.length&&window.wp&&window.wp.media&&(n=_wpMediaGridSettings,n=window.wp.media({frame:"manage",container:e,library:n.queryVars}).open(),e.trigger("wp-media-grid-ready",n)),t("#find-posts-submit").on("click",function(n){t('#find-posts-response input[type="radio"]:checked').length||n.preventDefault()}),t("#find-posts .find-box-search :input").on("keypress",function(n){if(13==n.which)return findPosts.send(),!1}),t("#find-posts-search").on("click",findPosts.send),t("#find-posts-close").on("click",findPosts.close),t("#doaction").on("click",function(e){t('select[name="action"]').each(function(){var n=t(this).val();"attach"===n?(e.preventDefault(),findPosts.open()):"delete"!==n||showNotice.warn()||e.preventDefault()})}),t(".find-box-inside").on("click","tr",function(){t(this).find(".found-radio input").prop("checked",!0)}),i.on("success",function(n){var e=t(n.trigger),i=t(".success",e.closest(".copy-to-clipboard-container"));n.clearSelection(),s&&s.addClass("hidden"),clearTimeout(o),i.removeClass("hidden"),o=setTimeout(function(){i.addClass("hidden"),s=null},3e3),s=i,wp.a11y.speak(wp.i18n.__("The file URL has been copied to your clipboard"))})})}(jQuery);PK       ! ��lW=  =    user-profile.min.jsnu �[���        /*! This file is auto-generated */
!function(r){var s,a,t,n,i,o,p,l,d,c,u,h,w,f=!1,v=!1,m=wp.i18n.__,e=new ClipboardJS(".application-password-display .copy-button"),g=!!window.navigator.platform&&-1!==window.navigator.platform.indexOf("Mac"),b=navigator.userAgent.toLowerCase(),y="undefined"!==window.safari&&"object"==typeof window.safari,k=-1!==b.indexOf("firefox");function _(){"function"!=typeof zxcvbn?setTimeout(_,50):(!a.val()||h.hasClass("is-open")?(a.val(a.data("pw")),a.trigger("pwupdate")):T(),H(),x(),1!==parseInt(o.data("start-masked"),10)?a.attr("type","text"):o.trigger("click"),r("#pw-weak-text-label").text(m("Confirm use of weak password")),"mailserver_pass"===a.prop("id")||r("#weblog_title").length||r(a).trigger("focus"))}function C(e){o.attr({"aria-label":m(e?"Show password":"Hide password")}).find(".text").text(m(e?"Show":"Hide")).end().find(".dashicons").removeClass(e?"dashicons-hidden":"dashicons-visibility").addClass(e?"dashicons-visibility":"dashicons-hidden")}function x(){o||((o=s.find(".wp-hide-pw")).show().on("click",function(){"password"===a.attr("type")?(a.attr("type","text"),C(!1)):(a.attr("type","password"),C(!0))}),s.closest("form").on("submit",function(){"text"===a.attr("type")&&(a.attr("type","password"),C(!0))}))}function L(e,s,a){var t=r("<div />",{role:"alert"});t.addClass("notice inline"),t.addClass("notice-"+(s?"success":"error")),t.text(r(r.parseHTML(a)).text()).wrapInner("<p />"),e.prop("disabled",s),e.siblings(".notice").remove(),e.before(t)}function S(){var e;s=r(".user-pass1-wrap, .user-pass-wrap, .mailserver-pass-wrap, .reset-pass-submit"),r(".user-pass2-wrap").hide(),l=r("#submit, #wp-submit").on("click",function(){f=!1}),p=l.add(" #createusersub"),n=r(".pw-weak"),(i=n.find(".pw-checkbox")).on("change",function(){p.prop("disabled",!i.prop("checked"))}),(a=r("#pass1, #mailserver_pass")).length?(d=a.val(),1===parseInt(a.data("reveal"),10)&&_(),a.on("input pwupdate",function(){a.val()!==d&&(d=a.val(),a.removeClass("short bad good strong"),H())}),j(a)):j(a=r("#user_pass")),t=r("#pass2").on("input",function(){0<t.val().length&&(a.val(t.val()),t.val(""),d="",a.trigger("pwupdate"))}),a.is(":hidden")&&(a.prop("disabled",!0),t.prop("disabled",!0)),h=s.find(".wp-pwd"),e=s.find("button.wp-generate-pw"),x(),e.show(),e.on("click",function(){f=!0,e.not(".skip-aria-expanded").attr("aria-expanded","true"),h.show().addClass("is-open"),a.attr("disabled",!1),t.attr("disabled",!1),_(),C(!1),wp.ajax.post("generate-password").done(function(e){a.data("pw",e)})}),s.find("button.wp-cancel-pw").on("click",function(){f=!1,a.prop("disabled",!0),t.prop("disabled",!0),a.val("").trigger("pwupdate"),C(!1),h.hide().removeClass("is-open"),p.prop("disabled",!1),e.attr("aria-expanded","false")}),s.closest("form").on("submit",function(){f=!1,a.prop("disabled",!1),t.prop("disabled",!1),t.val(a.val())})}function T(){var e=r("#pass1").val();if(r("#pass-strength-result").removeClass("short bad good strong empty"),e&&""!==e.trim())switch(wp.passwordStrength.meter(e,wp.passwordStrength.userInputDisallowedList(),e)){case-1:r("#pass-strength-result").addClass("bad").html(pwsL10n.unknown);break;case 2:r("#pass-strength-result").addClass("bad").html(pwsL10n.bad);break;case 3:r("#pass-strength-result").addClass("good").html(pwsL10n.good);break;case 4:r("#pass-strength-result").addClass("strong").html(pwsL10n.strong);break;case 5:r("#pass-strength-result").addClass("short").html(pwsL10n.mismatch);break;default:r("#pass-strength-result").addClass("short").html(pwsL10n.short)}else r("#pass-strength-result").addClass("empty").html("&nbsp;")}function j(e){var a,s,t,n=!1;g&&(y||k)||(a=r('<div id="caps-warning" class="caps-warning"></div>'),s=r('<span class="caps-icon" aria-hidden="true"><svg viewBox="0 0 24 26" xmlns="http://www.w3.org/2000/svg" fill="#3c434a" stroke="#3c434a" stroke-width="0.5"><path d="M12 5L19 15H16V19H8V15H5L12 5Z"/><rect x="8" y="21" width="8" height="1.5" rx="0.75"/></svg></span>'),t=r("<span>",{class:"caps-warning-text",text:m("Caps lock is on.")}),a.append(s,t),e.parent("div").append(a),e.on("keydown",function(e){var s,e=e.originalEvent;e.ctrlKey||e.metaKey||e.altKey||!e.key||1!==e.key.length||(s=e.getModifierState("CapsLock"))!==n&&((n=s)?(a.show(),"CapsLock"!==e.key&&wp.a11y.speak(m("Caps lock is on."),"assertive")):a.hide())}),e.on("blur",function(){document.hasFocus()&&(n=!1,a.hide())}))}function H(){var e=r("#pass-strength-result");e.length&&(e=e[0]).className&&(a.addClass(e.className),r(e).is(".short, .bad")?(i.prop("checked")||p.prop("disabled",!0),n.show()):(r(e).is(".empty")?(p.prop("disabled",!0),i.prop("checked",!1)):p.prop("disabled",!1),n.hide()))}e.on("success",function(e){var s=r(e.trigger),a=r(".success",s.closest(".application-password-display"));e.clearSelection(),clearTimeout(w),a.removeClass("hidden"),w=setTimeout(function(){a.addClass("hidden")},3e3),wp.a11y.speak(m("Application password has been copied to your clipboard."))}),r(function(){var e,a,t,n,i=r("#display_name"),s=i.val(),o=r("#wp-admin-bar-my-account").find(".display-name");r("#pass1").val("").on("input pwupdate",T),r("#pass-strength-result").show(),r(".color-palette").on("click",function(){r(this).siblings('input[name="admin_color"]').prop("checked",!0)}),i.length&&(r("#first_name, #last_name, #nickname").on("blur.user_profile",function(){var a=[],t={display_nickname:r("#nickname").val()||"",display_username:r("#user_login").val()||"",display_firstname:r("#first_name").val()||"",display_lastname:r("#last_name").val()||""};t.display_firstname&&t.display_lastname&&(t.display_firstlast=t.display_firstname+" "+t.display_lastname,t.display_lastfirst=t.display_lastname+" "+t.display_firstname),r.each(r("option",i),function(e,s){a.push(s.value)}),r.each(t,function(e,s){s&&(s=s.replace(/<\/?[a-z][^>]*>/gi,""),t[e].length)&&-1===r.inArray(s,a)&&(a.push(s),r("<option />",{text:s}).appendTo(i))})}),i.on("change",function(){var e;t===n&&(e=this.value.trim()||s,o.text(e))})),e=r("#color-picker"),a=r("#colors-css"),t=r("input#user_id").val(),n=r('input[name="checkuser_id"]').val(),e.on("click.colorpicker",".color-option",function(){var e,s=r(this);if(!s.hasClass("selected")&&(s.siblings(".selected").removeClass("selected"),s.addClass("selected").find('input[type="radio"]').prop("checked",!0),t===n)){if((a=0===a.length?r('<link rel="stylesheet" />').appendTo("head"):a).attr("href",s.children(".css_url").val()),"undefined"!=typeof wp&&wp.svgPainter){try{e=JSON.parse(s.children(".icon_colors").val())}catch(e){}e&&(wp.svgPainter.setColors(e),wp.svgPainter.paint())}r.post(ajaxurl,{action:"save-user-color-scheme",color_scheme:s.children('input[name="admin_color"]').val(),nonce:r("#color-nonce").val()}).done(function(e){e.success&&r("body").removeClass(e.data.previousScheme).addClass(e.data.currentScheme)})}}),S(),r("#generate-reset-link").on("click",function(){var s=r(this),e={user_id:userProfileL10n.user_id,nonce:userProfileL10n.nonce},e=(s.parent().find(".notice-error").remove(),wp.ajax.post("send-password-reset",e));e.done(function(e){L(s,!0,e)}),e.fail(function(e){L(s,!1,e)})}),p.on("click",function(){v=!0}),c=r("#your-profile, #createuser"),u=c.serialize()}),r("#destroy-sessions").on("click",function(e){var s=r(this);wp.ajax.post("destroy-sessions",{nonce:r("#_wpnonce").val(),user_id:r("#user_id").val()}).done(function(e){s.prop("disabled",!0),s.siblings(".notice").remove(),s.before('<div class="notice notice-success inline" role="alert"><p>'+e.message+"</p></div>")}).fail(function(e){s.siblings(".notice").remove(),s.before('<div class="notice notice-error inline" role="alert"><p>'+e.message+"</p></div>")}),e.preventDefault()}),window.generatePassword=_,r(window).on("beforeunload",function(){return!0===f?m("Your new password has not been saved."):u===c.serialize()||v?void 0:m("The changes you made will be lost if you navigate away from this page.")}),r(function(){r(".reset-pass-submit").length&&r(".reset-pass-submit button.wp-generate-pw").trigger("click")})}(jQuery);PK       ! �:�86  86    site-health.jsnu �[���        /**
 * Interactions used by the Site Health modules in WordPress.
 *
 * @output wp-admin/js/site-health.js
 */

/* global ajaxurl, ClipboardJS, SiteHealth, wp */

jQuery( function( $ ) {

	var __ = wp.i18n.__,
		_n = wp.i18n._n,
		sprintf = wp.i18n.sprintf,
		clipboard = new ClipboardJS( '.site-health-copy-buttons .copy-button' ),
		isStatusTab = $( '.health-check-body.health-check-status-tab' ).length,
		isDebugTab = $( '.health-check-body.health-check-debug-tab' ).length,
		pathsSizesSection = $( '#health-check-accordion-block-wp-paths-sizes' ),
		menuCounterWrapper = $( '#adminmenu .site-health-counter' ),
		menuCounter = $( '#adminmenu .site-health-counter .count' ),
		successTimeout;

	// Debug information copy section.
	clipboard.on( 'success', function( e ) {
		var triggerElement = $( e.trigger ),
			successElement = $( '.success', triggerElement.closest( 'div' ) );

		// Clear the selection and move focus back to the trigger.
		e.clearSelection();

		// Show success visual feedback.
		clearTimeout( successTimeout );
		successElement.removeClass( 'hidden' );

		// Hide success visual feedback after 3 seconds since last success.
		successTimeout = setTimeout( function() {
			successElement.addClass( 'hidden' );
		}, 3000 );

		// Handle success audible feedback.
		wp.a11y.speak( __( 'Site information has been copied to your clipboard.' ) );
	} );

	// Accordion handling in various areas.
	$( '.health-check-accordion' ).on( 'click', '.health-check-accordion-trigger', function() {
		var isExpanded = ( 'true' === $( this ).attr( 'aria-expanded' ) );

		if ( $( this ).prop( 'id' ) ) {
			window.location.hash = $( this ).prop( 'id' );
		}

		if ( isExpanded ) {
			$( this ).attr( 'aria-expanded', 'false' );
			$( '#' + $( this ).attr( 'aria-controls' ) ).attr( 'hidden', true );
		} else {
			$( this ).attr( 'aria-expanded', 'true' );
			$( '#' + $( this ).attr( 'aria-controls' ) ).attr( 'hidden', false );
		}
	} );

	/* global setTimeout */
	wp.domReady( function() {
		// Get hash from query string and open the related accordion.
		var hash = window.location.hash;

		if ( hash ) {
			var requestedPanel = $( hash );

			if ( requestedPanel.is( '.health-check-accordion-trigger' ) ) {
				requestedPanel.trigger( 'click' );
			}
		}
	} );

	// Site Health test handling.

	$( '.site-health-view-passed' ).on( 'click', function() {
		var goodIssuesWrapper = $( '#health-check-issues-good' );

		goodIssuesWrapper.toggleClass( 'hidden' );
		$( this ).attr( 'aria-expanded', ! goodIssuesWrapper.hasClass( 'hidden' ) );
	} );

	/**
	 * Validates the Site Health test result format.
	 *
	 * @since 5.6.0
	 *
	 * @param {Object} issue
	 *
	 * @return {boolean}
	 */
	function validateIssueData( issue ) {
		// Expected minimum format of a valid SiteHealth test response.
		var minimumExpected = {
				test: 'string',
				label: 'string',
				description: 'string'
			},
			passed = true,
			key, value, subKey, subValue;

		// If the issue passed is not an object, return a `false` state early.
		if ( 'object' !== typeof( issue ) ) {
			return false;
		}

		// Loop over expected data and match the data types.
		for ( key in minimumExpected ) {
			value = minimumExpected[ key ];

			if ( 'object' === typeof( value ) ) {
				for ( subKey in value ) {
					subValue = value[ subKey ];

					if ( 'undefined' === typeof( issue[ key ] ) ||
						'undefined' === typeof( issue[ key ][ subKey ] ) ||
						subValue !== typeof( issue[ key ][ subKey ] )
					) {
						passed = false;
					}
				}
			} else {
				if ( 'undefined' === typeof( issue[ key ] ) ||
					value !== typeof( issue[ key ] )
				) {
					passed = false;
				}
			}
		}

		return passed;
	}

	/**
	 * Appends a new issue to the issue list.
	 *
	 * @since 5.2.0
	 *
	 * @param {Object} issue The issue data.
	 */
	function appendIssue( issue ) {
		var template = wp.template( 'health-check-issue' ),
			issueWrapper = $( '#health-check-issues-' + issue.status ),
			heading,
			count;

		/*
		 * Validate the issue data format before using it.
		 * If the output is invalid, discard it.
		 */
		if ( ! validateIssueData( issue ) ) {
			return false;
		}

		SiteHealth.site_status.issues[ issue.status ]++;

		count = SiteHealth.site_status.issues[ issue.status ];

		// If no test name is supplied, append a placeholder for markup references.
		if ( typeof issue.test === 'undefined' ) {
			issue.test = issue.status + count;
		}

		if ( 'critical' === issue.status ) {
			heading = sprintf(
				_n( '%s critical issue', '%s critical issues', count ),
				'<span class="issue-count">' + count + '</span>'
			);
		} else if ( 'recommended' === issue.status ) {
			heading = sprintf(
				_n( '%s recommended improvement', '%s recommended improvements', count ),
				'<span class="issue-count">' + count + '</span>'
			);
		} else if ( 'good' === issue.status ) {
			heading = sprintf(
				_n( '%s item with no issues detected', '%s items with no issues detected', count ),
				'<span class="issue-count">' + count + '</span>'
			);
		}

		if ( heading ) {
			$( '.site-health-issue-count-title', issueWrapper ).html( heading );
		}

		menuCounter.text( SiteHealth.site_status.issues.critical );

		if ( 0 < parseInt( SiteHealth.site_status.issues.critical, 0 ) ) {
			$( '#health-check-issues-critical' ).removeClass( 'hidden' );

			menuCounterWrapper.removeClass( 'count-0' );
		} else {
			menuCounterWrapper.addClass( 'count-0' );
		}
		if ( 0 < parseInt( SiteHealth.site_status.issues.recommended, 0 ) ) {
			$( '#health-check-issues-recommended' ).removeClass( 'hidden' );
		}

		$( '.issues', '#health-check-issues-' + issue.status ).append( template( issue ) );
	}

	/**
	 * Updates site health status indicator as asynchronous tests are run and returned.
	 *
	 * @since 5.2.0
	 */
	function recalculateProgression() {
		var r, c, pct;
		var $progress = $( '.site-health-progress' );
		var $wrapper = $progress.closest( '.site-health-progress-wrapper' );
		var $progressLabel = $( '.site-health-progress-label', $wrapper );
		var $circle = $( '.site-health-progress svg #bar' );
		var totalTests = parseInt( SiteHealth.site_status.issues.good, 0 ) +
			parseInt( SiteHealth.site_status.issues.recommended, 0 ) +
			( parseInt( SiteHealth.site_status.issues.critical, 0 ) * 1.5 );
		var failedTests = ( parseInt( SiteHealth.site_status.issues.recommended, 0 ) * 0.5 ) +
			( parseInt( SiteHealth.site_status.issues.critical, 0 ) * 1.5 );
		var val = 100 - Math.ceil( ( failedTests / totalTests ) * 100 );

		if ( 0 === totalTests ) {
			$progress.addClass( 'hidden' );
			return;
		}

		$wrapper.removeClass( 'loading' );

		r = $circle.attr( 'r' );
		c = Math.PI * ( r * 2 );

		if ( 0 > val ) {
			val = 0;
		}
		if ( 100 < val ) {
			val = 100;
		}

		pct = ( ( 100 - val ) / 100 ) * c + 'px';

		$circle.css( { strokeDashoffset: pct } );

		if ( 80 <= val && 0 === parseInt( SiteHealth.site_status.issues.critical, 0 ) ) {
			$wrapper.addClass( 'green' ).removeClass( 'orange' );

			$progressLabel.text( __( 'Good' ) );
			announceTestsProgression( 'good' );
		} else {
			$wrapper.addClass( 'orange' ).removeClass( 'green' );

			$progressLabel.text( __( 'Should be improved' ) );
			announceTestsProgression( 'improvable' );
		}

		if ( isStatusTab ) {
			$.post(
				ajaxurl,
				{
					'action': 'health-check-site-status-result',
					'_wpnonce': SiteHealth.nonce.site_status_result,
					'counts': SiteHealth.site_status.issues
				}
			);

			if ( 100 === val ) {
				$( '.site-status-all-clear' ).removeClass( 'hide' );
				$( '.site-status-has-issues' ).addClass( 'hide' );
			}
		}
	}

	/**
	 * Queues the next asynchronous test when we're ready to run it.
	 *
	 * @since 5.2.0
	 */
	function maybeRunNextAsyncTest() {
		var doCalculation = true;

		if ( 1 <= SiteHealth.site_status.async.length ) {
			$.each( SiteHealth.site_status.async, function() {
				var data = {
					'action': 'health-check-' + this.test.replace( '_', '-' ),
					'_wpnonce': SiteHealth.nonce.site_status
				};

				if ( this.completed ) {
					return true;
				}

				doCalculation = false;

				this.completed = true;

				if ( 'undefined' !== typeof( this.has_rest ) && this.has_rest ) {
					wp.apiRequest( {
						url: wp.url.addQueryArgs( this.test, { _locale: 'user' } ),
						headers: this.headers
					} )
						.done( function( response ) {
							/** This filter is documented in wp-admin/includes/class-wp-site-health.php */
							appendIssue( wp.hooks.applyFilters( 'site_status_test_result', response ) );
						} )
						.fail( function( response ) {
							var description;

							if ( 'undefined' !== typeof( response.responseJSON ) && 'undefined' !== typeof( response.responseJSON.message ) ) {
								description = response.responseJSON.message;
							} else {
								description = __( 'No details available' );
							}

							addFailedSiteHealthCheckNotice( this.url, description );
						} )
						.always( function() {
							maybeRunNextAsyncTest();
						} );
				} else {
					$.post(
						ajaxurl,
						data
					).done( function( response ) {
						/** This filter is documented in wp-admin/includes/class-wp-site-health.php */
						appendIssue( wp.hooks.applyFilters( 'site_status_test_result', response.data ) );
					} ).fail( function( response ) {
						var description;

						if ( 'undefined' !== typeof( response.responseJSON ) && 'undefined' !== typeof( response.responseJSON.message ) ) {
							description = response.responseJSON.message;
						} else {
							description = __( 'No details available' );
						}

						addFailedSiteHealthCheckNotice( this.url, description );
					} ).always( function() {
						maybeRunNextAsyncTest();
					} );
				}

				return false;
			} );
		}

		if ( doCalculation ) {
			recalculateProgression();
		}
	}

	/**
	 * Add the details of a failed asynchronous test to the list of test results.
	 *
	 * @since 5.6.0
	 */
	function addFailedSiteHealthCheckNotice( url, description ) {
		var issue;

		issue = {
			'status': 'recommended',
			'label': __( 'A test is unavailable' ),
			'badge': {
				'color': 'red',
				'label': __( 'Unavailable' )
			},
			'description': '<p>' + url + '</p><p>' + description + '</p>',
			'actions': ''
		};

		/** This filter is documented in wp-admin/includes/class-wp-site-health.php */
		appendIssue( wp.hooks.applyFilters( 'site_status_test_result', issue ) );
	}

	if ( 'undefined' !== typeof SiteHealth ) {
		if ( 0 === SiteHealth.site_status.direct.length && 0 === SiteHealth.site_status.async.length ) {
			recalculateProgression();
		} else {
			SiteHealth.site_status.issues = {
				'good': 0,
				'recommended': 0,
				'critical': 0
			};
		}

		if ( 0 < SiteHealth.site_status.direct.length ) {
			$.each( SiteHealth.site_status.direct, function() {
				appendIssue( this );
			} );
		}

		if ( 0 < SiteHealth.site_status.async.length ) {
			maybeRunNextAsyncTest();
		} else {
			recalculateProgression();
		}
	}

	function getDirectorySizes() {
		var timestamp = ( new Date().getTime() );

		// After 3 seconds announce that we're still waiting for directory sizes.
		var timeout = window.setTimeout( function() {
			announceTestsProgression( 'waiting-for-directory-sizes' );
		}, 3000 );

		wp.apiRequest( {
			path: '/wp-site-health/v1/directory-sizes'
		} ).done( function( response ) {
			updateDirSizes( response || {} );
		} ).always( function() {
			var delay = ( new Date().getTime() ) - timestamp;

			$( '.health-check-wp-paths-sizes.spinner' ).css( 'visibility', 'hidden' );

			if ( delay > 3000 ) {
				/*
				 * We have announced that we're waiting.
				 * Announce that we're ready after giving at least 3 seconds
				 * for the first announcement to be read out, or the two may collide.
				 */
				if ( delay > 6000 ) {
					delay = 0;
				} else {
					delay = 6500 - delay;
				}

				window.setTimeout( function() {
					recalculateProgression();
				}, delay );
			} else {
				// Cancel the announcement.
				window.clearTimeout( timeout );
			}

			$( document ).trigger( 'site-health-info-dirsizes-done' );
		} );
	}

	function updateDirSizes( data ) {
		var copyButton = $( 'button.button.copy-button' );
		var clipboardText = copyButton.attr( 'data-clipboard-text' );

		$.each( data, function( name, value ) {
			var text = value.debug || value.size;

			if ( typeof text !== 'undefined' ) {
				clipboardText = clipboardText.replace( name + ': loading...', name + ': ' + text );
			}
		} );

		copyButton.attr( 'data-clipboard-text', clipboardText );

		pathsSizesSection.find( 'td[class]' ).each( function( i, element ) {
			var td = $( element );
			var name = td.attr( 'class' );

			if ( data.hasOwnProperty( name ) && data[ name ].size ) {
				td.text( data[ name ].size );
			}
		} );
	}

	if ( isDebugTab ) {
		if ( pathsSizesSection.length ) {
			getDirectorySizes();
		} else {
			recalculateProgression();
		}
	}

	// Trigger a class toggle when the extended menu button is clicked.
	$( '.health-check-offscreen-nav-wrapper' ).on( 'click', function() {
		$( this ).toggleClass( 'visible' );
	} );

	/**
	 * Announces to assistive technologies the tests progression status.
	 *
	 * @since 6.4.0
	 *
	 * @param {string} type The type of message to be announced.
	 *
	 * @return {void}
	 */
	function announceTestsProgression( type ) {
		// Only announce the messages in the Site Health pages.
		if ( 'site-health' !== SiteHealth.screen ) {
			return;
		}

		switch ( type ) {
			case 'good':
				wp.a11y.speak( __( 'All site health tests have finished running. Your site is looking good.' ) );
				break;
			case 'improvable':
				wp.a11y.speak( __( 'All site health tests have finished running. There are items that should be addressed.' ) );
				break;
			case 'waiting-for-directory-sizes':
				wp.a11y.speak( __( 'Running additional tests... please wait.' ) );
				break;
			default:
				return;
		}
	}
} );
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jQuery(function(i){var e,r,t,a=!1;i("#link_name").trigger("focus"),postboxes.add_postbox_toggles("link"),i("#category-tabs a").on("click keyup keydown",function(e){var t=i(this).attr("href");if("keydown"===e.type&&" "===e.key&&e.preventDefault(),"keyup"===e.type&&" "===e.key||"keydown"===e.type&&"Enter"===e.key||"click"===e.type)return e.preventDefault(),i("#category-tabs a").removeAttr("aria-selected").attr("tabindex","-1"),i(this).attr("aria-selected","true").removeAttr("tabindex"),i(this).parent().addClass("tabs").siblings("li").removeClass("tabs"),i(".tabs-panel").hide(),i(t).show(),"#categories-all"==t?deleteUserSetting("cats"):setUserSetting("cats","pop"),!1;"keyup"!==e.type||"ArrowRight"!==e.key&&"ArrowLeft"!==e.key||(i(this).attr("tabindex","-1"),t=i(this).parent("li").next(),e=i(this).parent("li").prev(),(0<t.length?(t.find("a").removeAttr("tabindex"),t):(e.find("a").removeAttr("tabindex"),e)).find("a").trigger("focus"))}),getUserSetting("cats")&&i('#category-tabs a[href="#categories-pop"]').trigger("click"),e=i("#newcat").one("focus",function(){i(this).val("").removeClass("form-input-tip")}),i("#link-category-add-submit").on("click",function(){e.focus()}),r=function(){var e,t;a||(a=!0,e=(t=i(this)).is(":checked"),t=t.val().toString(),i("#in-link-category-"+t+", #in-popular-link_category-"+t).prop("checked",e),a=!1)},t=function(e,t){i(t.what+" response_data",e).each(function(){i(i(this).text()).find("label").each(function(){var e=i(this),t=e.find("input").val(),a=e.find("input")[0].id,e=e.text().trim();i("#"+a).on("change",r),i('<option value="'+parseInt(t,10)+'"></option>').text(e)})})},i("#categorychecklist").wpList({alt:"",what:"link-category",response:"category-ajax-response",addAfter:t}),i('a[href="#categories-all"]').on("click",function(){deleteUserSetting("cats")}),i('a[href="#categories-pop"]').on("click",function(){setUserSetting("cats","pop")}),"pop"==getUserSetting("cats")&&i('a[href="#categories-pop"]').trigger("click"),i("#category-add-toggle").on("click",function(){return i(this).parents("div:first").toggleClass("wp-hidden-children"),i('#category-tabs a[href="#categories-all"]').trigger("click"),i("#newcategory").trigger("focus"),!1}),i(".categorychecklist :checkbox").on("change",r).filter(":checked").trigger("change")});PK       ! ���׽ ׽   customize-nav-menus.jsnu �[���        /**
 * @output wp-admin/js/customize-nav-menus.js
 */

/* global menus, _wpCustomizeNavMenusSettings, wpNavMenu, console */
( function( api, wp, $ ) {
	'use strict';

	/**
	 * Set up wpNavMenu for drag and drop.
	 */
	wpNavMenu.originalInit = wpNavMenu.init;
	wpNavMenu.options.menuItemDepthPerLevel = 20;
	wpNavMenu.options.sortableItems         = '> .customize-control-nav_menu_item';
	wpNavMenu.options.targetTolerance       = 10;
	wpNavMenu.init = function() {
		this.jQueryExtensions();
	};

	/**
	 * @namespace wp.customize.Menus
	 */
	api.Menus = api.Menus || {};

	// Link settings.
	api.Menus.data = {
		itemTypes: [],
		l10n: {},
		settingTransport: 'refresh',
		phpIntMax: 0,
		defaultSettingValues: {
			nav_menu: {},
			nav_menu_item: {}
		},
		locationSlugMappedToName: {}
	};
	if ( 'undefined' !== typeof _wpCustomizeNavMenusSettings ) {
		$.extend( api.Menus.data, _wpCustomizeNavMenusSettings );
	}

	/**
	 * Newly-created Nav Menus and Nav Menu Items have negative integer IDs which
	 * serve as placeholders until Save & Publish happens.
	 *
	 * @alias wp.customize.Menus.generatePlaceholderAutoIncrementId
	 *
	 * @return {number}
	 */
	api.Menus.generatePlaceholderAutoIncrementId = function() {
		return -Math.ceil( api.Menus.data.phpIntMax * Math.random() );
	};

	/**
	 * wp.customize.Menus.AvailableItemModel
	 *
	 * A single available menu item model. See PHP's WP_Customize_Nav_Menu_Item_Setting class.
	 *
	 * @class    wp.customize.Menus.AvailableItemModel
	 * @augments Backbone.Model
	 */
	api.Menus.AvailableItemModel = Backbone.Model.extend( $.extend(
		{
			id: null // This is only used by Backbone.
		},
		api.Menus.data.defaultSettingValues.nav_menu_item
	) );

	/**
	 * wp.customize.Menus.AvailableItemCollection
	 *
	 * Collection for available menu item models.
	 *
	 * @class    wp.customize.Menus.AvailableItemCollection
	 * @augments Backbone.Collection
	 */
	api.Menus.AvailableItemCollection = Backbone.Collection.extend(/** @lends wp.customize.Menus.AvailableItemCollection.prototype */{
		model: api.Menus.AvailableItemModel,

		sort_key: 'order',

		comparator: function( item ) {
			return -item.get( this.sort_key );
		},

		sortByField: function( fieldName ) {
			this.sort_key = fieldName;
			this.sort();
		}
	});
	api.Menus.availableMenuItems = new api.Menus.AvailableItemCollection( api.Menus.data.availableMenuItems );

	/**
	 * Insert a new `auto-draft` post.
	 *
	 * @since 4.7.0
	 * @alias wp.customize.Menus.insertAutoDraftPost
	 *
	 * @param {Object} params - Parameters for the draft post to create.
	 * @param {string} params.post_type - Post type to add.
	 * @param {string} params.post_title - Post title to use.
	 * @return {jQuery.promise} Promise resolved with the added post.
	 */
	api.Menus.insertAutoDraftPost = function insertAutoDraftPost( params ) {
		var request, deferred = $.Deferred();

		request = wp.ajax.post( 'customize-nav-menus-insert-auto-draft', {
			'customize-menus-nonce': api.settings.nonce['customize-menus'],
			'wp_customize': 'on',
			'customize_changeset_uuid': api.settings.changeset.uuid,
			'params': params
		} );

		request.done( function( response ) {
			if ( response.post_id ) {
				api( 'nav_menus_created_posts' ).set(
					api( 'nav_menus_created_posts' ).get().concat( [ response.post_id ] )
				);

				if ( 'page' === params.post_type ) {

					// Activate static front page controls as this could be the first page created.
					if ( api.section.has( 'static_front_page' ) ) {
						api.section( 'static_front_page' ).activate();
					}

					// Add new page to dropdown-pages controls.
					api.control.each( function( control ) {
						var select;
						if ( 'dropdown-pages' === control.params.type ) {
							select = control.container.find( 'select[name^="_customize-dropdown-pages-"]' );
							select.append( new Option( params.post_title, response.post_id ) );
						}
					} );
				}
				deferred.resolve( response );
			}
		} );

		request.fail( function( response ) {
			var error = response || '';

			if ( 'undefined' !== typeof response.message ) {
				error = response.message;
			}

			console.error( error );
			deferred.rejectWith( error );
		} );

		return deferred.promise();
	};

	api.Menus.AvailableMenuItemsPanelView = wp.Backbone.View.extend(/** @lends wp.customize.Menus.AvailableMenuItemsPanelView.prototype */{

		el: '#available-menu-items',

		events: {
			'input #menu-items-search': 'debounceSearch',
			'focus .menu-item-tpl': 'focus',
			'click .menu-item-tpl': '_submit',
			'click #custom-menu-item-submit': '_submitLink',
			'keypress #custom-menu-item-name': '_submitLink',
			'click .new-content-item .add-content': '_submitNew',
			'keypress .create-item-input': '_submitNew',
			'keydown': 'keyboardAccessible'
		},

		// Cache current selected menu item.
		selected: null,

		// Cache menu control that opened the panel.
		currentMenuControl: null,
		debounceSearch: null,
		$search: null,
		$clearResults: null,
		searchTerm: '',
		rendered: false,
		pages: {},
		sectionContent: '',
		loading: false,
		addingNew: false,

		/**
		 * wp.customize.Menus.AvailableMenuItemsPanelView
		 *
		 * View class for the available menu items panel.
		 *
		 * @constructs wp.customize.Menus.AvailableMenuItemsPanelView
		 * @augments   wp.Backbone.View
		 */
		initialize: function() {
			var self = this;

			if ( ! api.panel.has( 'nav_menus' ) ) {
				return;
			}

			this.$search = $( '#menu-items-search' );
			this.$clearResults = this.$el.find( '.clear-results' );
			this.sectionContent = this.$el.find( '.available-menu-items-list' );

			this.debounceSearch = _.debounce( self.search, 500 );

			_.bindAll( this, 'close' );

			/*
			 * If the available menu items panel is open and the customize controls
			 * are interacted with (other than an item being deleted), then close
			 * the available menu items panel. Also close on back button click.
			 */
			$( '#customize-controls, .customize-section-back' ).on( 'click keydown', function( e ) {
				var isDeleteBtn = $( e.target ).is( '.item-delete, .item-delete *' ),
					isAddNewBtn = $( e.target ).is( '.add-new-menu-item, .add-new-menu-item *' );
				if ( $( 'body' ).hasClass( 'adding-menu-items' ) && ! isDeleteBtn && ! isAddNewBtn ) {
					self.close();
				}
			} );

			// Clear the search results and trigger an `input` event to fire a new search.
			this.$clearResults.on( 'click', function() {
				self.$search.val( '' ).trigger( 'focus' ).trigger( 'input' );
			} );

			this.$el.on( 'input', '#custom-menu-item-name.invalid, #custom-menu-item-url.invalid', function() {
				$( this ).removeClass( 'invalid' );
				var errorMessageId = $( this ).attr( 'aria-describedby' );
				$( '#' + errorMessageId ).hide();
				$( this ).removeAttr( 'aria-invalid' ).removeAttr( 'aria-describedby' );
			});

			// Load available items if it looks like we'll need them.
			api.panel( 'nav_menus' ).container.on( 'expanded', function() {
				if ( ! self.rendered ) {
					self.initList();
					self.rendered = true;
				}
			});

			// Load more items.
			this.sectionContent.on( 'scroll', function() {
				var totalHeight = self.$el.find( '.accordion-section.open .available-menu-items-list' ).prop( 'scrollHeight' ),
					visibleHeight = self.$el.find( '.accordion-section.open' ).height();

				if ( ! self.loading && $( this ).scrollTop() > 3 / 4 * totalHeight - visibleHeight ) {
					var type = $( this ).data( 'type' ),
						object = $( this ).data( 'object' );

					if ( 'search' === type ) {
						if ( self.searchTerm ) {
							self.doSearch( self.pages.search );
						}
					} else {
						self.loadItems( [
							{ type: type, object: object }
						] );
					}
				}
			});

			// Close the panel if the URL in the preview changes.
			api.previewer.bind( 'url', this.close );

			self.delegateEvents();
		},

		// Search input change handler.
		search: function( event ) {
			var $searchSection = $( '#available-menu-items-search' ),
				$otherSections = $( '#available-menu-items .accordion-section' ).not( $searchSection );

			if ( ! event ) {
				return;
			}

			if ( this.searchTerm === event.target.value ) {
				return;
			}

			if ( '' !== event.target.value && ! $searchSection.hasClass( 'open' ) ) {
				$otherSections.fadeOut( 100 );
				$searchSection.find( '.accordion-section-content' ).slideDown( 'fast' );
				$searchSection.addClass( 'open' );
				this.$clearResults.addClass( 'is-visible' );
			} else if ( '' === event.target.value ) {
				$searchSection.removeClass( 'open' );
				$otherSections.show();
				this.$clearResults.removeClass( 'is-visible' );
			}

			this.searchTerm = event.target.value;
			this.pages.search = 1;
			this.doSearch( 1 );
		},

		// Get search results.
		doSearch: function( page ) {
			var self = this, params,
				$section = $( '#available-menu-items-search' ),
				$content = $section.find( '.accordion-section-content' ),
				itemTemplate = wp.template( 'available-menu-item' );

			if ( self.currentRequest ) {
				self.currentRequest.abort();
			}

			if ( page < 0 ) {
				return;
			} else if ( page > 1 ) {
				$section.addClass( 'loading-more' );
				$content.attr( 'aria-busy', 'true' );
				wp.a11y.speak( api.Menus.data.l10n.itemsLoadingMore );
			} else if ( '' === self.searchTerm ) {
				$content.html( '' );
				wp.a11y.speak( '' );
				return;
			}

			$section.addClass( 'loading' );
			self.loading = true;

			params = api.previewer.query( { excludeCustomizedSaved: true } );
			_.extend( params, {
				'customize-menus-nonce': api.settings.nonce['customize-menus'],
				'wp_customize': 'on',
				'search': self.searchTerm,
				'page': page
			} );

			self.currentRequest = wp.ajax.post( 'search-available-menu-items-customizer', params );

			self.currentRequest.done(function( data ) {
				var items;
				if ( 1 === page ) {
					// Clear previous results as it's a new search.
					$content.empty();
				}
				$section.removeClass( 'loading loading-more' );
				$content.attr( 'aria-busy', 'false' );
				$section.addClass( 'open' );
				self.loading = false;
				items = new api.Menus.AvailableItemCollection( data.items );
				self.collection.add( items.models );
				items.each( function( menuItem ) {
					$content.append( itemTemplate( menuItem.attributes ) );
				} );
				if ( 20 > items.length ) {
					self.pages.search = -1; // Up to 20 posts and 20 terms in results, if <20, no more results for either.
				} else {
					self.pages.search = self.pages.search + 1;
				}
				if ( items && page > 1 ) {
					wp.a11y.speak( api.Menus.data.l10n.itemsFoundMore.replace( '%d', items.length ) );
				} else if ( items && page === 1 ) {
					wp.a11y.speak( api.Menus.data.l10n.itemsFound.replace( '%d', items.length ) );
				}
			});

			self.currentRequest.fail(function( data ) {
				// data.message may be undefined, for example when typing slow and the request is aborted.
				if ( data.message ) {
					$content.empty().append( $( '<li class="nothing-found"></li>' ).text( data.message ) );
					wp.a11y.speak( data.message );
				}
				self.pages.search = -1;
			});

			self.currentRequest.always(function() {
				$section.removeClass( 'loading loading-more' );
				$content.attr( 'aria-busy', 'false' );
				self.loading = false;
				self.currentRequest = null;
			});
		},

		// Render the individual items.
		initList: function() {
			var self = this;

			// Render the template for each item by type.
			_.each( api.Menus.data.itemTypes, function( itemType ) {
				self.pages[ itemType.type + ':' + itemType.object ] = 0;
			} );
			self.loadItems( api.Menus.data.itemTypes );
		},

		/**
		 * Load available nav menu items.
		 *
		 * @since 4.3.0
		 * @since 4.7.0 Changed function signature to take list of item types instead of single type/object.
		 * @access private
		 *
		 * @param {Array.<Object>} itemTypes List of objects containing type and key.
		 * @param {string} deprecated Formerly the object parameter.
		 * @return {void}
		 */
		loadItems: function( itemTypes, deprecated ) {
			var self = this, _itemTypes, requestItemTypes = [], params, request, itemTemplate, availableMenuItemContainers = {};
			itemTemplate = wp.template( 'available-menu-item' );

			if ( _.isString( itemTypes ) && _.isString( deprecated ) ) {
				_itemTypes = [ { type: itemTypes, object: deprecated } ];
			} else {
				_itemTypes = itemTypes;
			}

			_.each( _itemTypes, function( itemType ) {
				var container, name = itemType.type + ':' + itemType.object;
				if ( -1 === self.pages[ name ] ) {
					return; // Skip types for which there are no more results.
				}
				container = $( '#available-menu-items-' + itemType.type + '-' + itemType.object );
				container.find( '.accordion-section-title' ).addClass( 'loading' );
				availableMenuItemContainers[ name ] = container;

				requestItemTypes.push( {
					object: itemType.object,
					type: itemType.type,
					page: self.pages[ name ]
				} );
			} );

			if ( 0 === requestItemTypes.length ) {
				return;
			}

			self.loading = true;

			params = api.previewer.query( { excludeCustomizedSaved: true } );
			_.extend( params, {
				'customize-menus-nonce': api.settings.nonce['customize-menus'],
				'wp_customize': 'on',
				'item_types': requestItemTypes
			} );

			request = wp.ajax.post( 'load-available-menu-items-customizer', params );

			request.done(function( data ) {
				var typeInner;
				_.each( data.items, function( typeItems, name ) {
					if ( 0 === typeItems.length ) {
						if ( 0 === self.pages[ name ] ) {
							availableMenuItemContainers[ name ].find( '.accordion-section-title' )
								.addClass( 'cannot-expand' )
								.removeClass( 'loading' )
								.find( '.accordion-section-title > button' )
								.prop( 'tabIndex', -1 );
						}
						self.pages[ name ] = -1;
						return;
					} else if ( ( 'post_type:page' === name ) && ( ! availableMenuItemContainers[ name ].hasClass( 'open' ) ) ) {
						availableMenuItemContainers[ name ].find( '.accordion-section-title > button' ).trigger( 'click' );
					}
					typeItems = new api.Menus.AvailableItemCollection( typeItems ); // @todo Why is this collection created and then thrown away?
					self.collection.add( typeItems.models );
					typeInner = availableMenuItemContainers[ name ].find( '.available-menu-items-list' );
					typeItems.each( function( menuItem ) {
						typeInner.append( itemTemplate( menuItem.attributes ) );
					} );
					self.pages[ name ] += 1;
				});
			});
			request.fail(function( data ) {
				if ( typeof console !== 'undefined' && console.error ) {
					console.error( data );
				}
			});
			request.always(function() {
				_.each( availableMenuItemContainers, function( container ) {
					container.find( '.accordion-section-title' ).removeClass( 'loading' );
				} );
				self.loading = false;
			});
		},

		// Adjust the height of each section of items to fit the screen.
		itemSectionHeight: function() {
			var sections, lists, totalHeight, accordionHeight, diff;
			totalHeight = window.innerHeight;
			sections = this.$el.find( '.accordion-section:not( #available-menu-items-search ) .accordion-section-content' );
			lists = this.$el.find( '.accordion-section:not( #available-menu-items-search ) .available-menu-items-list:not(":only-child")' );
			accordionHeight =  46 * ( 1 + sections.length ) + 14; // Magic numbers.
			diff = totalHeight - accordionHeight;
			if ( 120 < diff && 290 > diff ) {
				sections.css( 'max-height', diff );
				lists.css( 'max-height', ( diff - 60 ) );
			}
		},

		// Highlights a menu item.
		select: function( menuitemTpl ) {
			this.selected = $( menuitemTpl );
			this.selected.siblings( '.menu-item-tpl' ).removeClass( 'selected' );
			this.selected.addClass( 'selected' );
		},

		// Highlights a menu item on focus.
		focus: function( event ) {
			this.select( $( event.currentTarget ) );
		},

		// Submit handler for keypress and click on menu item.
		_submit: function( event ) {
			// Only proceed with keypress if it is Enter or Spacebar.
			if ( 'keypress' === event.type && ( 13 !== event.which && 32 !== event.which ) ) {
				return;
			}

			this.submit( $( event.currentTarget ) );
		},

		// Adds a selected menu item to the menu.
		submit: function( menuitemTpl ) {
			var menuitemId, menu_item;

			if ( ! menuitemTpl ) {
				menuitemTpl = this.selected;
			}

			if ( ! menuitemTpl || ! this.currentMenuControl ) {
				return;
			}

			this.select( menuitemTpl );

			menuitemId = $( this.selected ).data( 'menu-item-id' );
			menu_item = this.collection.findWhere( { id: menuitemId } );
			if ( ! menu_item ) {
				return;
			}

			// Leave the title as empty to reuse the original title as a placeholder if set.
			var nav_menu_item = Object.assign( {}, menu_item.attributes );
			if ( nav_menu_item.title === nav_menu_item.original_title ) {
				nav_menu_item.title = '';
			}

			this.currentMenuControl.addItemToMenu( nav_menu_item );

			$( menuitemTpl ).find( '.menu-item-handle' ).addClass( 'item-added' );
		},

		// Submit handler for keypress and click on custom menu item.
		_submitLink: function( event ) {
			// Only proceed with keypress if it is Enter.
			if ( 'keypress' === event.type && 13 !== event.which ) {
				return;
			}

			this.submitLink();
		},

		// Adds the custom menu item to the menu.
		submitLink: function() {
			var menuItem,
				itemName = $( '#custom-menu-item-name' ),
				itemUrl = $( '#custom-menu-item-url' ),
				urlErrorMessage = $( '#custom-url-error' ),
				nameErrorMessage = $( '#custom-name-error' ),
				url = itemUrl.val().trim(),
				urlRegex,
				errorText;

			if ( ! this.currentMenuControl ) {
				return;
			}

			/*
			 * Allow URLs including:
			 * - http://example.com/
			 * - //example.com
			 * - /directory/
			 * - ?query-param
			 * - #target
			 * - mailto:foo@example.com
			 *
			 * Any further validation will be handled on the server when the setting is attempted to be saved,
			 * so this pattern does not need to be complete.
			 */
			urlRegex = /^((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#)/;
			if ( ! urlRegex.test( url ) || '' === itemName.val() ) {
				if ( ! urlRegex.test( url ) ) {
					itemUrl.addClass( 'invalid' )
						.attr( 'aria-invalid', 'true' )
						.attr( 'aria-describedby', 'custom-url-error' );
					urlErrorMessage.show();
					errorText = urlErrorMessage.text();
					// Announce error message via screen reader
					wp.a11y.speak( errorText, 'assertive' );
				}
				if ( '' === itemName.val() ) {
					itemName.addClass( 'invalid' )
						.attr( 'aria-invalid', 'true' )
						.attr( 'aria-describedby', 'custom-name-error' );
					nameErrorMessage.show();
					errorText = ( '' === errorText ) ? nameErrorMessage.text() : errorText + nameErrorMessage.text();
					// Announce error message via screen reader
					wp.a11y.speak( errorText, 'assertive' );
				}
				return;
			}

			urlErrorMessage.hide();
			nameErrorMessage.hide();
			itemName.removeClass( 'invalid' )
				.removeAttr( 'aria-invalid', 'true' )
				.removeAttr( 'aria-describedby', 'custom-name-error' );
			itemUrl.removeClass( 'invalid' )
				.removeAttr( 'aria-invalid', 'true' )
				.removeAttr( 'aria-describedby', 'custom-name-error' );

			menuItem = {
				'title': itemName.val(),
				'url': url,
				'type': 'custom',
				'type_label': api.Menus.data.l10n.custom_label,
				'object': 'custom'
			};

			this.currentMenuControl.addItemToMenu( menuItem );

			// Reset the custom link form.
			itemUrl.val( '' ).attr( 'placeholder', 'https://' );
			itemName.val( '' );
		},

		/**
		 * Submit handler for keypress (enter) on field and click on button.
		 *
		 * @since 4.7.0
		 * @private
		 *
		 * @param {jQuery.Event} event Event.
		 * @return {void}
		 */
		_submitNew: function( event ) {
			var container;

			// Only proceed with keypress if it is Enter.
			if ( 'keypress' === event.type && 13 !== event.which ) {
				return;
			}

			if ( this.addingNew ) {
				return;
			}

			container = $( event.target ).closest( '.accordion-section' );

			this.submitNew( container );
		},

		/**
		 * Creates a new object and adds an associated menu item to the menu.
		 *
		 * @since 4.7.0
		 * @private
		 *
		 * @param {jQuery} container
		 * @return {void}
		 */
		submitNew: function( container ) {
			var panel = this,
				itemName = container.find( '.create-item-input' ),
				title = itemName.val(),
				dataContainer = container.find( '.available-menu-items-list' ),
				itemType = dataContainer.data( 'type' ),
				itemObject = dataContainer.data( 'object' ),
				itemTypeLabel = dataContainer.data( 'type_label' ),
				inputError = container.find('.create-item-error'),
				promise;

			if ( ! this.currentMenuControl ) {
				return;
			}

			// Only posts are supported currently.
			if ( 'post_type' !== itemType ) {
				return;
			}
			if ( '' === itemName.val().trim() ) {
				container.addClass( 'form-invalid' );
				itemName.attr('aria-invalid', 'true');
				itemName.attr('aria-describedby', inputError.attr('id'));
				inputError.slideDown( 'fast' );
				wp.a11y.speak( inputError.text() );
				return;
			} else {
				container.removeClass( 'form-invalid' );
				itemName.attr('aria-invalid', 'false');
				itemName.removeAttr('aria-describedby');
				inputError.hide();
				container.find( '.accordion-section-title' ).addClass( 'loading' );
			}

			panel.addingNew = true;
			itemName.attr( 'disabled', 'disabled' );
			promise = api.Menus.insertAutoDraftPost( {
				post_title: title,
				post_type: itemObject
			} );
			promise.done( function( data ) {
				var availableItem, $content, itemElement;
				availableItem = new api.Menus.AvailableItemModel( {
					'id': 'post-' + data.post_id, // Used for available menu item Backbone models.
					'title': itemName.val(),
					'type': itemType,
					'type_label': itemTypeLabel,
					'object': itemObject,
					'object_id': data.post_id,
					'url': data.url
				} );

				// Add new item to menu.
				panel.currentMenuControl.addItemToMenu( availableItem.attributes );

				// Add the new item to the list of available items.
				api.Menus.availableMenuItemsPanel.collection.add( availableItem );
				$content = container.find( '.available-menu-items-list' );
				itemElement = $( wp.template( 'available-menu-item' )( availableItem.attributes ) );
				itemElement.find( '.menu-item-handle:first' ).addClass( 'item-added' );
				$content.prepend( itemElement );
				$content.scrollTop();

				// Reset the create content form.
				itemName.val( '' ).removeAttr( 'disabled' );
				panel.addingNew = false;
				container.find( '.accordion-section-title' ).removeClass( 'loading' );
			} );
		},

		// Opens the panel.
		open: function( menuControl ) {
			var panel = this, close;

			this.currentMenuControl = menuControl;

			this.itemSectionHeight();

			if ( api.section.has( 'publish_settings' ) ) {
				api.section( 'publish_settings' ).collapse();
			}

			$( 'body' ).addClass( 'adding-menu-items' );

			close = function() {
				panel.close();
				$( this ).off( 'click', close );
			};
			$( '#customize-preview' ).on( 'click', close );

			// Collapse all controls.
			_( this.currentMenuControl.getMenuItemControls() ).each( function( control ) {
				control.collapseForm();
			} );

			this.$el.find( '.selected' ).removeClass( 'selected' );

			this.$search.trigger( 'focus' );
		},

		// Closes the panel.
		close: function( options ) {
			options = options || {};

			if ( options.returnFocus && this.currentMenuControl ) {
				this.currentMenuControl.container.find( '.add-new-menu-item' ).focus();
			}

			this.currentMenuControl = null;
			this.selected = null;

			$( 'body' ).removeClass( 'adding-menu-items' );
			$( '#available-menu-items .menu-item-handle.item-added' ).removeClass( 'item-added' );

			this.$search.val( '' ).trigger( 'input' );
		},

		// Add a few keyboard enhancements to the panel.
		keyboardAccessible: function( event ) {
			var isEnter = ( 13 === event.which ),
				isEsc = ( 27 === event.which ),
				isBackTab = ( 9 === event.which && event.shiftKey ),
				isSearchFocused = $( event.target ).is( this.$search );

			// If enter pressed but nothing entered, don't do anything.
			if ( isEnter && ! this.$search.val() ) {
				return;
			}

			if ( isSearchFocused && isBackTab ) {
				this.currentMenuControl.container.find( '.add-new-menu-item' ).focus();
				event.preventDefault(); // Avoid additional back-tab.
			} else if ( isEsc ) {
				this.close( { returnFocus: true } );
			}
		}
	});

	/**
	 * wp.customize.Menus.MenusPanel
	 *
	 * Customizer panel for menus. This is used only for screen options management.
	 * Note that 'menus' must match the WP_Customize_Menu_Panel::$type.
	 *
	 * @class    wp.customize.Menus.MenusPanel
	 * @augments wp.customize.Panel
	 */
	api.Menus.MenusPanel = api.Panel.extend(/** @lends wp.customize.Menus.MenusPanel.prototype */{

		attachEvents: function() {
			api.Panel.prototype.attachEvents.call( this );

			var panel = this,
				panelMeta = panel.container.find( '.panel-meta' ),
				help = panelMeta.find( '.customize-help-toggle' ),
				content = panelMeta.find( '.customize-panel-description' ),
				options = $( '#screen-options-wrap' ),
				button = panelMeta.find( '.customize-screen-options-toggle' );
			button.on( 'click keydown', function( event ) {
				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
					return;
				}
				event.preventDefault();

				// Hide description.
				if ( content.not( ':hidden' ) ) {
					content.slideUp( 'fast' );
					help.attr( 'aria-expanded', 'false' );
				}

				if ( 'true' === button.attr( 'aria-expanded' ) ) {
					button.attr( 'aria-expanded', 'false' );
					panelMeta.removeClass( 'open' );
					panelMeta.removeClass( 'active-menu-screen-options' );
					options.slideUp( 'fast' );
				} else {
					button.attr( 'aria-expanded', 'true' );
					panelMeta.addClass( 'open' );
					panelMeta.addClass( 'active-menu-screen-options' );
					options.slideDown( 'fast' );
				}

				return false;
			} );

			// Help toggle.
			help.on( 'click keydown', function( event ) {
				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
					return;
				}
				event.preventDefault();

				if ( 'true' === button.attr( 'aria-expanded' ) ) {
					button.attr( 'aria-expanded', 'false' );
					help.attr( 'aria-expanded', 'true' );
					panelMeta.addClass( 'open' );
					panelMeta.removeClass( 'active-menu-screen-options' );
					options.slideUp( 'fast' );
					content.slideDown( 'fast' );
				}
			} );
		},

		/**
		 * Update field visibility when clicking on the field toggles.
		 */
		ready: function() {
			var panel = this;
			panel.container.find( '.hide-column-tog' ).on( 'click', function() {
				panel.saveManageColumnsState();
			});

			// Inject additional heading into the menu locations section's head container.
			api.section( 'menu_locations', function( section ) {
				section.headContainer.prepend(
					wp.template( 'nav-menu-locations-header' )( api.Menus.data )
				);
			} );
		},

		/**
		 * Save hidden column states.
		 *
		 * @since 4.3.0
		 * @private
		 *
		 * @return {void}
		 */
		saveManageColumnsState: _.debounce( function() {
			var panel = this;
			if ( panel._updateHiddenColumnsRequest ) {
				panel._updateHiddenColumnsRequest.abort();
			}

			panel._updateHiddenColumnsRequest = wp.ajax.post( 'hidden-columns', {
				hidden: panel.hidden(),
				screenoptionnonce: $( '#screenoptionnonce' ).val(),
				page: 'nav-menus'
			} );
			panel._updateHiddenColumnsRequest.always( function() {
				panel._updateHiddenColumnsRequest = null;
			} );
		}, 2000 ),

		/**
		 * @deprecated Since 4.7.0 now that the nav_menu sections are responsible for toggling the classes on their own containers.
		 */
		checked: function() {},

		/**
		 * @deprecated Since 4.7.0 now that the nav_menu sections are responsible for toggling the classes on their own containers.
		 */
		unchecked: function() {},

		/**
		 * Get hidden fields.
		 *
		 * @since 4.3.0
		 * @private
		 *
		 * @return {Array} Fields (columns) that are hidden.
		 */
		hidden: function() {
			return $( '.hide-column-tog' ).not( ':checked' ).map( function() {
				var id = this.id;
				return id.substring( 0, id.length - 5 );
			}).get().join( ',' );
		}
	} );

	/**
	 * wp.customize.Menus.MenuSection
	 *
	 * Customizer section for menus. This is used only for lazy-loading child controls.
	 * Note that 'nav_menu' must match the WP_Customize_Menu_Section::$type.
	 *
	 * @class    wp.customize.Menus.MenuSection
	 * @augments wp.customize.Section
	 */
	api.Menus.MenuSection = api.Section.extend(/** @lends wp.customize.Menus.MenuSection.prototype */{

		/**
		 * Initialize.
		 *
		 * @since 4.3.0
		 *
		 * @param {string} id
		 * @param {Object} options
		 */
		initialize: function( id, options ) {
			var section = this;
			api.Section.prototype.initialize.call( section, id, options );
			section.deferred.initSortables = $.Deferred();
		},

		/**
		 * Ready.
		 */
		ready: function() {
			var section = this, fieldActiveToggles, handleFieldActiveToggle;

			if ( 'undefined' === typeof section.params.menu_id ) {
				throw new Error( 'params.menu_id was not defined' );
			}

			/*
			 * Since newly created sections won't be registered in PHP, we need to prevent the
			 * preview's sending of the activeSections to result in this control
			 * being deactivated when the preview refreshes. So we can hook onto
			 * the setting that has the same ID and its presence can dictate
			 * whether the section is active.
			 */
			section.active.validate = function() {
				if ( ! api.has( section.id ) ) {
					return false;
				}
				return !! api( section.id ).get();
			};

			section.populateControls();

			section.navMenuLocationSettings = {};
			section.assignedLocations = new api.Value( [] );

			api.each(function( setting, id ) {
				var matches = id.match( /^nav_menu_locations\[(.+?)]/ );
				if ( matches ) {
					section.navMenuLocationSettings[ matches[1] ] = setting;
					setting.bind( function() {
						section.refreshAssignedLocations();
					});
				}
			});

			section.assignedLocations.bind(function( to ) {
				section.updateAssignedLocationsInSectionTitle( to );
			});

			section.refreshAssignedLocations();

			api.bind( 'pane-contents-reflowed', function() {
				// Skip menus that have been removed.
				if ( ! section.contentContainer.parent().length ) {
					return;
				}
				section.container.find( '.menu-item .menu-item-reorder-nav button' ).attr({ 'tabindex': '0', 'aria-hidden': 'false' });
				section.container.find( '.menu-item.move-up-disabled .menus-move-up' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
				section.container.find( '.menu-item.move-down-disabled .menus-move-down' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
				section.container.find( '.menu-item.move-left-disabled .menus-move-left' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
				section.container.find( '.menu-item.move-right-disabled .menus-move-right' ).attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
			} );

			/**
			 * Update the active field class for the content container for a given checkbox toggle.
			 *
			 * @this {jQuery}
			 * @return {void}
			 */
			handleFieldActiveToggle = function() {
				var className = 'field-' + $( this ).val() + '-active';
				section.contentContainer.toggleClass( className, $( this ).prop( 'checked' ) );
			};
			fieldActiveToggles = api.panel( 'nav_menus' ).contentContainer.find( '.metabox-prefs:first' ).find( '.hide-column-tog' );
			fieldActiveToggles.each( handleFieldActiveToggle );
			fieldActiveToggles.on( 'click', handleFieldActiveToggle );
		},

		populateControls: function() {
			var section = this,
				menuNameControlId,
				menuLocationsControlId,
				menuAutoAddControlId,
				menuDeleteControlId,
				menuControl,
				menuNameControl,
				menuLocationsControl,
				menuAutoAddControl,
				menuDeleteControl;

			// Add the control for managing the menu name.
			menuNameControlId = section.id + '[name]';
			menuNameControl = api.control( menuNameControlId );
			if ( ! menuNameControl ) {
				menuNameControl = new api.controlConstructor.nav_menu_name( menuNameControlId, {
					type: 'nav_menu_name',
					label: api.Menus.data.l10n.menuNameLabel,
					section: section.id,
					priority: 0,
					settings: {
						'default': section.id
					}
				} );
				api.control.add( menuNameControl );
				menuNameControl.active.set( true );
			}

			// Add the menu control.
			menuControl = api.control( section.id );
			if ( ! menuControl ) {
				menuControl = new api.controlConstructor.nav_menu( section.id, {
					type: 'nav_menu',
					section: section.id,
					priority: 998,
					settings: {
						'default': section.id
					},
					menu_id: section.params.menu_id
				} );
				api.control.add( menuControl );
				menuControl.active.set( true );
			}

			// Add the menu locations control.
			menuLocationsControlId = section.id + '[locations]';
			menuLocationsControl = api.control( menuLocationsControlId );
			if ( ! menuLocationsControl ) {
				menuLocationsControl = new api.controlConstructor.nav_menu_locations( menuLocationsControlId, {
					section: section.id,
					priority: 999,
					settings: {
						'default': section.id
					},
					menu_id: section.params.menu_id
				} );
				api.control.add( menuLocationsControl.id, menuLocationsControl );
				menuControl.active.set( true );
			}

			// Add the control for managing the menu auto_add.
			menuAutoAddControlId = section.id + '[auto_add]';
			menuAutoAddControl = api.control( menuAutoAddControlId );
			if ( ! menuAutoAddControl ) {
				menuAutoAddControl = new api.controlConstructor.nav_menu_auto_add( menuAutoAddControlId, {
					type: 'nav_menu_auto_add',
					label: '',
					section: section.id,
					priority: 1000,
					settings: {
						'default': section.id
					}
				} );
				api.control.add( menuAutoAddControl );
				menuAutoAddControl.active.set( true );
			}

			// Add the control for deleting the menu.
			menuDeleteControlId = section.id + '[delete]';
			menuDeleteControl = api.control( menuDeleteControlId );
			if ( ! menuDeleteControl ) {
				menuDeleteControl = new api.Control( menuDeleteControlId, {
					section: section.id,
					priority: 1001,
					templateId: 'nav-menu-delete-button'
				} );
				api.control.add( menuDeleteControl.id, menuDeleteControl );
				menuDeleteControl.active.set( true );
				menuDeleteControl.deferred.embedded.done( function () {
					menuDeleteControl.container.find( 'button' ).on( 'click', function() {
						var menuId = section.params.menu_id;
						var menuControl = api.Menus.getMenuControl( menuId );
						menuControl.setting.set( false );
					});
				} );
			}
		},

		/**
		 *
		 */
		refreshAssignedLocations: function() {
			var section = this,
				menuTermId = section.params.menu_id,
				currentAssignedLocations = [];
			_.each( section.navMenuLocationSettings, function( setting, themeLocation ) {
				if ( setting() === menuTermId ) {
					currentAssignedLocations.push( themeLocation );
				}
			});
			section.assignedLocations.set( currentAssignedLocations );
		},

		/**
		 * @param {Array} themeLocationSlugs Theme location slugs.
		 */
		updateAssignedLocationsInSectionTitle: function( themeLocationSlugs ) {
			var section = this,
				$title;

			$title = section.container.find( '.accordion-section-title button:first' );
			$title.find( '.menu-in-location' ).remove();
			_.each( themeLocationSlugs, function( themeLocationSlug ) {
				var $label, locationName;
				$label = $( '<span class="menu-in-location"></span>' );
				locationName = api.Menus.data.locationSlugMappedToName[ themeLocationSlug ];
				$label.text( api.Menus.data.l10n.menuLocation.replace( '%s', locationName ) );
				$title.append( $label );
			});

			section.container.toggleClass( 'assigned-to-menu-location', 0 !== themeLocationSlugs.length );

		},

		onChangeExpanded: function( expanded, args ) {
			var section = this, completeCallback;

			if ( expanded ) {
				wpNavMenu.menuList = section.contentContainer;
				wpNavMenu.targetList = wpNavMenu.menuList;

				// Add attributes needed by wpNavMenu.
				$( '#menu-to-edit' ).removeAttr( 'id' );
				wpNavMenu.menuList.attr( 'id', 'menu-to-edit' ).addClass( 'menu' );

				api.Menus.MenuItemControl.prototype.initAccessibility();

				_.each( api.section( section.id ).controls(), function( control ) {
					if ( 'nav_menu_item' === control.params.type ) {
						control.actuallyEmbed();
					}
				} );

				// Make sure Sortables is initialized after the section has been expanded to prevent `offset` issues.
				if ( args.completeCallback ) {
					completeCallback = args.completeCallback;
				}
				args.completeCallback = function() {
					if ( 'resolved' !== section.deferred.initSortables.state() ) {
						wpNavMenu.initSortables(); // Depends on menu-to-edit ID being set above.
						section.deferred.initSortables.resolve( wpNavMenu.menuList ); // Now MenuControl can extend the sortable.

						// @todo Note that wp.customize.reflowPaneContents() is debounced,
						// so this immediate change will show a slight flicker while priorities get updated.
						api.control( 'nav_menu[' + String( section.params.menu_id ) + ']' ).reflowMenuItems();
					}
					if ( _.isFunction( completeCallback ) ) {
						completeCallback();
					}
				};
			}
			api.Section.prototype.onChangeExpanded.call( section, expanded, args );
		},

		/**
		 * Highlight how a user may create new menu items.
		 *
		 * This method reminds the user to create new menu items and how.
		 * It's exposed this way because this class knows best which UI needs
		 * highlighted but those expanding this section know more about why and
		 * when the affordance should be highlighted.
		 *
		 * @since 4.9.0
		 *
		 * @return {void}
		 */
		highlightNewItemButton: function() {
			api.utils.highlightButton( this.contentContainer.find( '.add-new-menu-item' ), { delay: 2000 } );
		}
	});

	/**
	 * Create a nav menu setting and section.
	 *
	 * @since 4.9.0
	 *
	 * @param {string} [name=''] Nav menu name.
	 * @return {wp.customize.Menus.MenuSection} Added nav menu.
	 */
	api.Menus.createNavMenu = function createNavMenu( name ) {
		var customizeId, placeholderId, setting;
		placeholderId = api.Menus.generatePlaceholderAutoIncrementId();

		customizeId = 'nav_menu[' + String( placeholderId ) + ']';

		// Register the menu control setting.
		setting = api.create( customizeId, customizeId, {}, {
			type: 'nav_menu',
			transport: api.Menus.data.settingTransport,
			previewer: api.previewer
		} );
		setting.set( $.extend(
			{},
			api.Menus.data.defaultSettingValues.nav_menu,
			{
				name: name || ''
			}
		) );

		/*
		 * Add the menu section (and its controls).
		 * Note that this will automatically create the required controls
		 * inside via the Section's ready method.
		 */
		return api.section.add( new api.Menus.MenuSection( customizeId, {
			panel: 'nav_menus',
			title: displayNavMenuName( name ),
			customizeAction: api.Menus.data.l10n.customizingMenus,
			priority: 10,
			menu_id: placeholderId
		} ) );
	};

	/**
	 * wp.customize.Menus.NewMenuSection
	 *
	 * Customizer section for new menus.
	 *
	 * @class    wp.customize.Menus.NewMenuSection
	 * @augments wp.customize.Section
	 */
	api.Menus.NewMenuSection = api.Section.extend(/** @lends wp.customize.Menus.NewMenuSection.prototype */{

		/**
		 * Add behaviors for the accordion section.
		 *
		 * @since 4.3.0
		 */
		attachEvents: function() {
			var section = this,
				container = section.container,
				contentContainer = section.contentContainer,
				navMenuSettingPattern = /^nav_menu\[/;

			section.headContainer.find( '.accordion-section-title' ).replaceWith(
				wp.template( 'nav-menu-create-menu-section-title' )
			);

			/*
			 * We have to manually handle section expanded because we do not
			 * apply the `accordion-section-title` class to this button-driven section.
			 */
			container.on( 'click', '.customize-add-menu-button', function() {
				section.expand();
			});

			contentContainer.on( 'keydown', '.menu-name-field', function( event ) {
				if ( 13 === event.which ) { // Enter.
					section.submit();
				}
			} );
			contentContainer.on( 'click', '#customize-new-menu-submit', function( event ) {
				section.submit();
				event.stopPropagation();
				event.preventDefault();
			} );

			/**
			 * Get number of non-deleted nav menus.
			 *
			 * @since 4.9.0
			 * @return {number} Count.
			 */
			function getNavMenuCount() {
				var count = 0;
				api.each( function( setting ) {
					if ( navMenuSettingPattern.test( setting.id ) && false !== setting.get() ) {
						count += 1;
					}
				} );
				return count;
			}

			/**
			 * Update visibility of notice to prompt users to create menus.
			 *
			 * @since 4.9.0
			 * @return {void}
			 */
			function updateNoticeVisibility() {
				container.find( '.add-new-menu-notice' ).prop( 'hidden', getNavMenuCount() > 0 );
			}

			/**
			 * Handle setting addition.
			 *
			 * @since 4.9.0
			 * @param {wp.customize.Setting} setting - Added setting.
			 * @return {void}
			 */
			function addChangeEventListener( setting ) {
				if ( navMenuSettingPattern.test( setting.id ) ) {
					setting.bind( updateNoticeVisibility );
					updateNoticeVisibility();
				}
			}

			/**
			 * Handle setting removal.
			 *
			 * @since 4.9.0
			 * @param {wp.customize.Setting} setting - Removed setting.
			 * @return {void}
			 */
			function removeChangeEventListener( setting ) {
				if ( navMenuSettingPattern.test( setting.id ) ) {
					setting.unbind( updateNoticeVisibility );
					updateNoticeVisibility();
				}
			}

			api.each( addChangeEventListener );
			api.bind( 'add', addChangeEventListener );
			api.bind( 'removed', removeChangeEventListener );
			updateNoticeVisibility();

			api.Section.prototype.attachEvents.apply( section, arguments );
		},

		/**
		 * Set up the control.
		 *
		 * @since 4.9.0
		 */
		ready: function() {
			this.populateControls();
		},

		/**
		 * Create the controls for this section.
		 *
		 * @since 4.9.0
		 */
		populateControls: function() {
			var section = this,
				menuNameControlId,
				menuLocationsControlId,
				newMenuSubmitControlId,
				menuNameControl,
				menuLocationsControl,
				newMenuSubmitControl;

			menuNameControlId = section.id + '[name]';
			menuNameControl = api.control( menuNameControlId );
			if ( ! menuNameControl ) {
				menuNameControl = new api.controlConstructor.nav_menu_name( menuNameControlId, {
					label: api.Menus.data.l10n.menuNameLabel,
					description: api.Menus.data.l10n.newMenuNameDescription,
					section: section.id,
					priority: 0
				} );
				api.control.add( menuNameControl.id, menuNameControl );
				menuNameControl.active.set( true );
			}

			menuLocationsControlId = section.id + '[locations]';
			menuLocationsControl = api.control( menuLocationsControlId );
			if ( ! menuLocationsControl ) {
				menuLocationsControl = new api.controlConstructor.nav_menu_locations( menuLocationsControlId, {
					section: section.id,
					priority: 1,
					menu_id: '',
					isCreating: true
				} );
				api.control.add( menuLocationsControlId, menuLocationsControl );
				menuLocationsControl.active.set( true );
			}

			newMenuSubmitControlId = section.id + '[submit]';
			newMenuSubmitControl = api.control( newMenuSubmitControlId );
			if ( !newMenuSubmitControl ) {
				newMenuSubmitControl = new api.Control( newMenuSubmitControlId, {
					section: section.id,
					priority: 1,
					templateId: 'nav-menu-submit-new-button'
				} );
				api.control.add( newMenuSubmitControlId, newMenuSubmitControl );
				newMenuSubmitControl.active.set( true );
			}
		},

		/**
		 * Create the new menu with name and location supplied by the user.
		 *
		 * @since 4.9.0
		 */
		submit: function() {
			var section = this,
				contentContainer = section.contentContainer,
				nameInput = contentContainer.find( '.menu-name-field' ).first(),
				name = nameInput.val(),
				menuSection;

			if ( ! name ) {
				nameInput.addClass( 'invalid' );
				nameInput.focus();
				return;
			}

			menuSection = api.Menus.createNavMenu( name );

			// Clear name field.
			nameInput.val( '' );
			nameInput.removeClass( 'invalid' );

			contentContainer.find( '.assigned-menu-location input[type=checkbox]' ).each( function() {
				var checkbox = $( this ),
				navMenuLocationSetting;

				if ( checkbox.prop( 'checked' ) ) {
					navMenuLocationSetting = api( 'nav_menu_locations[' + checkbox.data( 'location-id' ) + ']' );
					navMenuLocationSetting.set( menuSection.params.menu_id );

					// Reset state for next new menu.
					checkbox.prop( 'checked', false );
				}
			} );

			wp.a11y.speak( api.Menus.data.l10n.menuAdded );

			// Focus on the new menu section.
			menuSection.focus( {
				completeCallback: function() {
					menuSection.highlightNewItemButton();
				}
			} );
		},

		/**
		 * Select a default location.
		 *
		 * This method selects a single location by default so we can support
		 * creating a menu for a specific menu location.
		 *
		 * @since 4.9.0
		 *
		 * @param {string|null} locationId - The ID of the location to select. `null` clears all selections.
		 * @return {void}
		 */
		selectDefaultLocation: function( locationId ) {
			var locationControl = api.control( this.id + '[locations]' ),
				locationSelections = {};

			if ( locationId !== null ) {
				locationSelections[ locationId ] = true;
			}

			locationControl.setSelections( locationSelections );
		}
	});

	/**
	 * wp.customize.Menus.MenuLocationControl
	 *
	 * Customizer control for menu locations (rendered as a <select>).
	 * Note that 'nav_menu_location' must match the WP_Customize_Nav_Menu_Location_Control::$type.
	 *
	 * @class    wp.customize.Menus.MenuLocationControl
	 * @augments wp.customize.Control
	 */
	api.Menus.MenuLocationControl = api.Control.extend(/** @lends wp.customize.Menus.MenuLocationControl.prototype */{
		initialize: function( id, options ) {
			var control = this,
				matches = id.match( /^nav_menu_locations\[(.+?)]/ );
			control.themeLocation = matches[1];
			api.Control.prototype.initialize.call( control, id, options );
		},

		ready: function() {
			var control = this, navMenuIdRegex = /^nav_menu\[(-?\d+)]/;

			// @todo It would be better if this was added directly on the setting itself, as opposed to the control.
			control.setting.validate = function( value ) {
				if ( '' === value ) {
					return 0;
				} else {
					return parseInt( value, 10 );
				}
			};

			// Create and Edit menu buttons.
			control.container.find( '.create-menu' ).on( 'click', function() {
				var addMenuSection = api.section( 'add_menu' );
				addMenuSection.selectDefaultLocation( this.dataset.locationId );
				addMenuSection.focus();
			} );
			control.container.find( '.edit-menu' ).on( 'click', function() {
				var menuId = control.setting();
				api.section( 'nav_menu[' + menuId + ']' ).focus();
			});
			control.setting.bind( 'change', function() {
				var menuIsSelected = 0 !== control.setting();
				control.container.find( '.create-menu' ).toggleClass( 'hidden', menuIsSelected );
				control.container.find( '.edit-menu' ).toggleClass( 'hidden', ! menuIsSelected );
			});

			// Add/remove menus from the available options when they are added and removed.
			api.bind( 'add', function( setting ) {
				var option, menuId, matches = setting.id.match( navMenuIdRegex );
				if ( ! matches || false === setting() ) {
					return;
				}
				menuId = matches[1];
				option = new Option( displayNavMenuName( setting().name ), menuId );
				control.container.find( 'select' ).append( option );
			});
			api.bind( 'remove', function( setting ) {
				var menuId, matches = setting.id.match( navMenuIdRegex );
				if ( ! matches ) {
					return;
				}
				menuId = parseInt( matches[1], 10 );
				if ( control.setting() === menuId ) {
					control.setting.set( '' );
				}
				control.container.find( 'option[value=' + menuId + ']' ).remove();
			});
			api.bind( 'change', function( setting ) {
				var menuId, matches = setting.id.match( navMenuIdRegex );
				if ( ! matches ) {
					return;
				}
				menuId = parseInt( matches[1], 10 );
				if ( false === setting() ) {
					if ( control.setting() === menuId ) {
						control.setting.set( '' );
					}
					control.container.find( 'option[value=' + menuId + ']' ).remove();
				} else {
					control.container.find( 'option[value=' + menuId + ']' ).text( displayNavMenuName( setting().name ) );
				}
			});
		}
	});

	api.Menus.MenuItemControl = api.Control.extend(/** @lends wp.customize.Menus.MenuItemControl.prototype */{

		/**
		 * wp.customize.Menus.MenuItemControl
		 *
		 * Customizer control for menu items.
		 * Note that 'menu_item' must match the WP_Customize_Menu_Item_Control::$type.
		 *
		 * @constructs wp.customize.Menus.MenuItemControl
		 * @augments   wp.customize.Control
		 *
		 * @inheritDoc
		 */
		initialize: function( id, options ) {
			var control = this;
			control.expanded = new api.Value( false );
			control.expandedArgumentsQueue = [];
			control.expanded.bind( function( expanded ) {
				var args = control.expandedArgumentsQueue.shift();
				args = $.extend( {}, control.defaultExpandedArguments, args );
				control.onChangeExpanded( expanded, args );
			});
			api.Control.prototype.initialize.call( control, id, options );
			control.active.validate = function() {
				var value, section = api.section( control.section() );
				if ( section ) {
					value = section.active();
				} else {
					value = false;
				}
				return value;
			};
		},

		/**
		 * Set up the initial state of the screen reader accessibility information for menu items.
		 *
		 * @since 6.6.0
		 */
		initAccessibility: function() {
			var control = this,
				menu = $( '#menu-to-edit' );

			// Refresh the accessibility when the user comes close to the item in any way.
			menu.on( 'mouseenter.refreshAccessibility focus.refreshAccessibility touchstart.refreshAccessibility', '.menu-item', function(){
				control.refreshAdvancedAccessibilityOfItem( $( this ).find( 'button.item-edit' ) );
			} );

			// We have to update on click as well because we might hover first, change the item, and then click.
			menu.on( 'click', 'button.item-edit', function() {
				control.refreshAdvancedAccessibilityOfItem( $( this ) );
			} );
		},

		/**
		 * refreshAdvancedAccessibilityOfItem( [itemToRefresh] )
		 *
		 * Refreshes advanced accessibility buttons for one menu item.
		 * Shows or hides buttons based on the location of the menu item.
		 *
		 * @param {Object} itemToRefresh The menu item that might need its advanced accessibility buttons refreshed
		 * 
		 * @since 6.6.0
		 */
		refreshAdvancedAccessibilityOfItem: function( itemToRefresh ) {
			// Only refresh accessibility when necessary.
			if ( true !== $( itemToRefresh ).data( 'needs_accessibility_refresh' ) ) {
				return;
			}

			var primaryItems, itemPosition, title,
				parentItem, parentItemId, parentItemName, subItems, totalSubItems,
				$this = $( itemToRefresh ),
				menuItem = $this.closest( 'li.menu-item' ).first(),
				depth = menuItem.menuItemDepth(),
				isPrimaryMenuItem = ( 0 === depth ),
				itemName = $this.closest( '.menu-item-handle' ).find( '.menu-item-title' ).text(),
				menuItemType = $this.closest( '.menu-item-handle' ).find( '.item-type' ).text(),
				totalMenuItems = $( '#menu-to-edit li' ).length;

			if ( isPrimaryMenuItem ) {
				primaryItems = $( '.menu-item-depth-0' ),
				itemPosition = primaryItems.index( menuItem ) + 1,
				totalMenuItems = primaryItems.length,
				// String together help text for primary menu items.
				title = menus.menuFocus.replace( '%1$s', itemName ).replace( '%2$s', menuItemType ).replace( '%3$d', itemPosition ).replace( '%4$d', totalMenuItems );
			} else {
				parentItem = menuItem.prevAll( '.menu-item-depth-' + parseInt( depth - 1, 10 ) ).first(),
				parentItemId = parentItem.find( '.menu-item-data-db-id' ).val(),
				parentItemName = parentItem.find( '.menu-item-title' ).text(),
				subItems = $( '.menu-item .menu-item-data-parent-id[value="' + parentItemId + '"]' ),
				totalSubItems = subItems.length,
				itemPosition = $( subItems.parents( '.menu-item' ).get().reverse() ).index( menuItem ) + 1;

				// String together help text for sub menu items.
				if ( depth < 2 ) {
					title = menus.subMenuFocus.replace( '%1$s', itemName ).replace( '%2$s', menuItemType ).replace( '%3$d', itemPosition ).replace( '%4$d', totalSubItems ).replace( '%5$s', parentItemName );
				} else {
					title = menus.subMenuMoreDepthFocus.replace( '%1$s', itemName ).replace( '%2$s', menuItemType ).replace( '%3$d', itemPosition ).replace( '%4$d', totalSubItems ).replace( '%5$s', parentItemName ).replace( '%6$d', depth );
				}
			}

			$this.find( '.screen-reader-text' ).text( title );

			// Mark this item's accessibility as refreshed.
			$this.data( 'needs_accessibility_refresh', false );
		},

		/**
		 * Override the embed() method to do nothing,
		 * so that the control isn't embedded on load,
		 * unless the containing section is already expanded.
		 *
		 * @since 4.3.0
		 */
		embed: function() {
			var control = this,
				sectionId = control.section(),
				section;
			if ( ! sectionId ) {
				return;
			}
			section = api.section( sectionId );
			if ( ( section && section.expanded() ) || api.settings.autofocus.control === control.id ) {
				control.actuallyEmbed();
			}
		},

		/**
		 * This function is called in Section.onChangeExpanded() so the control
		 * will only get embedded when the Section is first expanded.
		 *
		 * @since 4.3.0
		 */
		actuallyEmbed: function() {
			var control = this;
			if ( 'resolved' === control.deferred.embedded.state() ) {
				return;
			}
			control.renderContent();
			control.deferred.embedded.resolve(); // This triggers control.ready().
			
			// Mark all menu items as unprocessed.
			$( 'button.item-edit' ).data( 'needs_accessibility_refresh', true );
		},

		/**
		 * Set up the control.
		 */
		ready: function() {
			if ( 'undefined' === typeof this.params.menu_item_id ) {
				throw new Error( 'params.menu_item_id was not defined' );
			}

			this._setupControlToggle();
			this._setupReorderUI();
			this._setupUpdateUI();
			this._setupRemoveUI();
			this._setupLinksUI();
			this._setupTitleUI();
		},

		/**
		 * Show/hide the settings when clicking on the menu item handle.
		 */
		_setupControlToggle: function() {
			var control = this;

			this.container.find( '.menu-item-handle' ).on( 'click', function( e ) {
				e.preventDefault();
				e.stopPropagation();
				var menuControl = control.getMenuControl(),
					isDeleteBtn = $( e.target ).is( '.item-delete, .item-delete *' ),
					isAddNewBtn = $( e.target ).is( '.add-new-menu-item, .add-new-menu-item *' );

				if ( $( 'body' ).hasClass( 'adding-menu-items' ) && ! isDeleteBtn && ! isAddNewBtn ) {
					api.Menus.availableMenuItemsPanel.close();
				}

				if ( menuControl.isReordering || menuControl.isSorting ) {
					return;
				}
				control.toggleForm();
			} );
		},

		/**
		 * Set up the menu-item-reorder-nav
		 */
		_setupReorderUI: function() {
			var control = this, template, $reorderNav;

			template = wp.template( 'menu-item-reorder-nav' );

			// Add the menu item reordering elements to the menu item control.
			control.container.find( '.item-controls' ).after( template );

			// Handle clicks for up/down/left-right on the reorder nav.
			$reorderNav = control.container.find( '.menu-item-reorder-nav' );
			$reorderNav.find( '.menus-move-up, .menus-move-down, .menus-move-left, .menus-move-right' ).on( 'click', function() {
				var moveBtn = $( this );
				control.params.depth = control.getDepth();

				moveBtn.focus();

				var isMoveUp = moveBtn.is( '.menus-move-up' ),
					isMoveDown = moveBtn.is( '.menus-move-down' ),
					isMoveLeft = moveBtn.is( '.menus-move-left' ),
					isMoveRight = moveBtn.is( '.menus-move-right' );

				if ( isMoveUp ) {
					control.moveUp();
				} else if ( isMoveDown ) {
					control.moveDown();
				} else if ( isMoveLeft ) {
					control.moveLeft();
				} else if ( isMoveRight ) {
					control.moveRight();
					control.params.depth += 1;
				}
				
				moveBtn.focus(); // Re-focus after the container was moved.

				// Mark all menu items as unprocessed.
				$( 'button.item-edit' ).data( 'needs_accessibility_refresh', true );
			} );
		},

		/**
		 * Set up event handlers for menu item updating.
		 */
		_setupUpdateUI: function() {
			var control = this,
				settingValue = control.setting(),
				updateNotifications;

			control.elements = {};
			control.elements.url = new api.Element( control.container.find( '.edit-menu-item-url' ) );
			control.elements.title = new api.Element( control.container.find( '.edit-menu-item-title' ) );
			control.elements.attr_title = new api.Element( control.container.find( '.edit-menu-item-attr-title' ) );
			control.elements.target = new api.Element( control.container.find( '.edit-menu-item-target' ) );
			control.elements.classes = new api.Element( control.container.find( '.edit-menu-item-classes' ) );
			control.elements.xfn = new api.Element( control.container.find( '.edit-menu-item-xfn' ) );
			control.elements.description = new api.Element( control.container.find( '.edit-menu-item-description' ) );
			// @todo Allow other elements, added by plugins, to be automatically picked up here;
			// allow additional values to be added to setting array.

			_.each( control.elements, function( element, property ) {
				element.bind(function( value ) {
					if ( element.element.is( 'input[type=checkbox]' ) ) {
						value = ( value ) ? element.element.val() : '';
					}

					var settingValue = control.setting();
					if ( settingValue && settingValue[ property ] !== value ) {
						settingValue = _.clone( settingValue );
						settingValue[ property ] = value;
						control.setting.set( settingValue );
					}
				});
				if ( settingValue ) {
					if ( ( property === 'classes' || property === 'xfn' ) && _.isArray( settingValue[ property ] ) ) {
						element.set( settingValue[ property ].join( ' ' ) );
					} else {
						element.set( settingValue[ property ] );
					}
				}
			});

			control.setting.bind(function( to, from ) {
				var itemId = control.params.menu_item_id,
					followingSiblingItemControls = [],
					childrenItemControls = [],
					menuControl;

				if ( false === to ) {
					menuControl = api.control( 'nav_menu[' + String( from.nav_menu_term_id ) + ']' );
					control.container.remove();

					_.each( menuControl.getMenuItemControls(), function( otherControl ) {
						if ( from.menu_item_parent === otherControl.setting().menu_item_parent && otherControl.setting().position > from.position ) {
							followingSiblingItemControls.push( otherControl );
						} else if ( otherControl.setting().menu_item_parent === itemId ) {
							childrenItemControls.push( otherControl );
						}
					});

					// Shift all following siblings by the number of children this item has.
					_.each( followingSiblingItemControls, function( followingSiblingItemControl ) {
						var value = _.clone( followingSiblingItemControl.setting() );
						value.position += childrenItemControls.length;
						followingSiblingItemControl.setting.set( value );
					});

					// Now move the children up to be the new subsequent siblings.
					_.each( childrenItemControls, function( childrenItemControl, i ) {
						var value = _.clone( childrenItemControl.setting() );
						value.position = from.position + i;
						value.menu_item_parent = from.menu_item_parent;
						childrenItemControl.setting.set( value );
					});

					menuControl.debouncedReflowMenuItems();
				} else {
					// Update the elements' values to match the new setting properties.
					_.each( to, function( value, key ) {
						if ( control.elements[ key] ) {
							control.elements[ key ].set( to[ key ] );
						}
					} );
					control.container.find( '.menu-item-data-parent-id' ).val( to.menu_item_parent );

					// Handle UI updates when the position or depth (parent) change.
					if ( to.position !== from.position || to.menu_item_parent !== from.menu_item_parent ) {
						control.getMenuControl().debouncedReflowMenuItems();
					}
				}
			});

			// Style the URL field as invalid when there is an invalid_url notification.
			updateNotifications = function() {
				control.elements.url.element.toggleClass( 'invalid', control.setting.notifications.has( 'invalid_url' ) );
			};
			control.setting.notifications.bind( 'add', updateNotifications );
			control.setting.notifications.bind( 'removed', updateNotifications );
		},

		/**
		 * Set up event handlers for menu item deletion.
		 */
		_setupRemoveUI: function() {
			var control = this, $removeBtn;

			// Configure delete button.
			$removeBtn = control.container.find( '.item-delete' );

			$removeBtn.on( 'click', function() {
				// Find an adjacent element to add focus to when this menu item goes away.
				var addingItems = true, $adjacentFocusTarget, $next, $prev,
					instanceCounter = 0, // Instance count of the menu item deleted.
					deleteItemOriginalItemId = control.params.original_item_id,
					addedItems = control.getMenuControl().$sectionContent.find( '.menu-item' ),
					availableMenuItem;

				if ( ! $( 'body' ).hasClass( 'adding-menu-items' ) ) {
					addingItems = false;
				}

				$next = control.container.nextAll( '.customize-control-nav_menu_item:visible' ).first();
				$prev = control.container.prevAll( '.customize-control-nav_menu_item:visible' ).first();

				if ( $next.length ) {
					$adjacentFocusTarget = $next.find( false === addingItems ? '.item-edit' : '.item-delete' ).first();
				} else if ( $prev.length ) {
					$adjacentFocusTarget = $prev.find( false === addingItems ? '.item-edit' : '.item-delete' ).first();
				} else {
					$adjacentFocusTarget = control.container.nextAll( '.customize-control-nav_menu' ).find( '.add-new-menu-item' ).first();
				}

				/*
				 * If the menu item deleted is the only of its instance left,
				 * remove the check icon of this menu item in the right panel.
				 */
				_.each( addedItems, function( addedItem ) {
					var menuItemId, menuItemControl, matches;

					// This is because menu item that's deleted is just hidden.
					if ( ! $( addedItem ).is( ':visible' ) ) {
						return;
					}

					matches = addedItem.getAttribute( 'id' ).match( /^customize-control-nav_menu_item-(-?\d+)$/, '' );
					if ( ! matches ) {
						return;
					}

					menuItemId      = parseInt( matches[1], 10 );
					menuItemControl = api.control( 'nav_menu_item[' + String( menuItemId ) + ']' );

					// Check for duplicate menu items.
					if ( menuItemControl && deleteItemOriginalItemId == menuItemControl.params.original_item_id ) {
						instanceCounter++;
					}
				} );

				if ( instanceCounter <= 1 ) {
					// Revert the check icon to add icon.
					availableMenuItem = $( '#menu-item-tpl-' + control.params.original_item_id );
					availableMenuItem.removeClass( 'selected' );
					availableMenuItem.find( '.menu-item-handle' ).removeClass( 'item-added' );
				}

				control.container.slideUp( function() {
					control.setting.set( false );
					wp.a11y.speak( api.Menus.data.l10n.itemDeleted );
					$adjacentFocusTarget.focus(); // Keyboard accessibility.
				} );

				control.setting.set( false );
			} );
		},

		_setupLinksUI: function() {
			var $origBtn;

			// Configure original link.
			$origBtn = this.container.find( 'a.original-link' );

			$origBtn.on( 'click', function( e ) {
				e.preventDefault();
				api.previewer.previewUrl( e.target.toString() );
			} );
		},

		/**
		 * Update item handle title when changed.
		 */
		_setupTitleUI: function() {
			var control = this, titleEl;

			// Ensure that whitespace is trimmed on blur so placeholder can be shown.
			control.container.find( '.edit-menu-item-title' ).on( 'blur', function() {
				$( this ).val( $( this ).val().trim() );
			} );

			titleEl = control.container.find( '.menu-item-title' );
			control.setting.bind( function( item ) {
				var trimmedTitle, titleText;
				if ( ! item ) {
					return;
				}
				item.title = item.title || '';
				trimmedTitle = item.title.trim();

				titleText = trimmedTitle || item.original_title || api.Menus.data.l10n.untitled;

				if ( item._invalid ) {
					titleText = api.Menus.data.l10n.invalidTitleTpl.replace( '%s', titleText );
				}

				// Don't update to an empty title.
				if ( trimmedTitle || item.original_title ) {
					titleEl
						.text( titleText )
						.removeClass( 'no-title' );
				} else {
					titleEl
						.text( titleText )
						.addClass( 'no-title' );
				}
			} );
		},

		/**
		 *
		 * @return {number}
		 */
		getDepth: function() {
			var control = this, setting = control.setting(), depth = 0;
			if ( ! setting ) {
				return 0;
			}
			while ( setting && setting.menu_item_parent ) {
				depth += 1;
				control = api.control( 'nav_menu_item[' + setting.menu_item_parent + ']' );
				if ( ! control ) {
					break;
				}
				setting = control.setting();
			}
			return depth;
		},

		/**
		 * Amend the control's params with the data necessary for the JS template just in time.
		 */
		renderContent: function() {
			var control = this,
				settingValue = control.setting(),
				containerClasses;

			control.params.title = settingValue.title || '';
			control.params.depth = control.getDepth();
			control.container.data( 'item-depth', control.params.depth );
			containerClasses = [
				'menu-item',
				'menu-item-depth-' + String( control.params.depth ),
				'menu-item-' + settingValue.object,
				'menu-item-edit-inactive'
			];

			if ( settingValue._invalid ) {
				containerClasses.push( 'menu-item-invalid' );
				control.params.title = api.Menus.data.l10n.invalidTitleTpl.replace( '%s', control.params.title );
			} else if ( 'draft' === settingValue.status ) {
				containerClasses.push( 'pending' );
				control.params.title = api.Menus.data.pendingTitleTpl.replace( '%s', control.params.title );
			}

			control.params.el_classes = containerClasses.join( ' ' );
			control.params.item_type_label = settingValue.type_label;
			control.params.item_type = settingValue.type;
			control.params.url = settingValue.url;
			control.params.target = settingValue.target;
			control.params.attr_title = settingValue.attr_title;
			control.params.classes = _.isArray( settingValue.classes ) ? settingValue.classes.join( ' ' ) : settingValue.classes;
			control.params.xfn = settingValue.xfn;
			control.params.description = settingValue.description;
			control.params.parent = settingValue.menu_item_parent;
			control.params.original_title = settingValue.original_title || '';

			control.container.addClass( control.params.el_classes );

			api.Control.prototype.renderContent.call( control );
		},

		/***********************************************************************
		 * Begin public API methods
		 **********************************************************************/

		/**
		 * @return {wp.customize.controlConstructor.nav_menu|null}
		 */
		getMenuControl: function() {
			var control = this, settingValue = control.setting();
			if ( settingValue && settingValue.nav_menu_term_id ) {
				return api.control( 'nav_menu[' + settingValue.nav_menu_term_id + ']' );
			} else {
				return null;
			}
		},

		/**
		 * Expand the accordion section containing a control
		 */
		expandControlSection: function() {
			var $section = this.container.closest( '.accordion-section' );
			if ( ! $section.hasClass( 'open' ) ) {
				$section.find( '.accordion-section-title:first' ).trigger( 'click' );
			}
		},

		/**
		 * @since 4.6.0
		 *
		 * @param {Boolean} expanded
		 * @param {Object} [params]
		 * @return {Boolean} False if state already applied.
		 */
		_toggleExpanded: api.Section.prototype._toggleExpanded,

		/**
		 * @since 4.6.0
		 *
		 * @param {Object} [params]
		 * @return {Boolean} False if already expanded.
		 */
		expand: api.Section.prototype.expand,

		/**
		 * Expand the menu item form control.
		 *
		 * @since 4.5.0 Added params.completeCallback.
		 *
		 * @param {Object}   [params] - Optional params.
		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
		 */
		expandForm: function( params ) {
			this.expand( params );
		},

		/**
		 * @since 4.6.0
		 *
		 * @param {Object} [params]
		 * @return {Boolean} False if already collapsed.
		 */
		collapse: api.Section.prototype.collapse,

		/**
		 * Collapse the menu item form control.
		 *
		 * @since 4.5.0 Added params.completeCallback.
		 *
		 * @param {Object}   [params] - Optional params.
		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
		 */
		collapseForm: function( params ) {
			this.collapse( params );
		},

		/**
		 * Expand or collapse the menu item control.
		 *
		 * @deprecated this is poor naming, and it is better to directly set control.expanded( showOrHide )
		 * @since 4.5.0 Added params.completeCallback.
		 *
		 * @param {boolean}  [showOrHide] - If not supplied, will be inverse of current visibility
		 * @param {Object}   [params] - Optional params.
		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
		 */
		toggleForm: function( showOrHide, params ) {
			if ( typeof showOrHide === 'undefined' ) {
				showOrHide = ! this.expanded();
			}
			if ( showOrHide ) {
				this.expand( params );
			} else {
				this.collapse( params );
			}
		},

		/**
		 * Expand or collapse the menu item control.
		 *
		 * @since 4.6.0
		 * @param {boolean}  [showOrHide] - If not supplied, will be inverse of current visibility
		 * @param {Object}   [params] - Optional params.
		 * @param {Function} [params.completeCallback] - Function to call when the form toggle has finished animating.
		 */
		onChangeExpanded: function( showOrHide, params ) {
			var self = this, $menuitem, $inside, complete;

			$menuitem = this.container;
			$inside = $menuitem.find( '.menu-item-settings:first' );
			if ( 'undefined' === typeof showOrHide ) {
				showOrHide = ! $inside.is( ':visible' );
			}

			// Already expanded or collapsed.
			if ( $inside.is( ':visible' ) === showOrHide ) {
				if ( params && params.completeCallback ) {
					params.completeCallback();
				}
				return;
			}

			if ( showOrHide ) {
				// Close all other menu item controls before expanding this one.
				api.control.each( function( otherControl ) {
					if ( self.params.type === otherControl.params.type && self !== otherControl ) {
						otherControl.collapseForm();
					}
				} );

				complete = function() {
					$menuitem
						.removeClass( 'menu-item-edit-inactive' )
						.addClass( 'menu-item-edit-active' );
					self.container.trigger( 'expanded' );

					if ( params && params.completeCallback ) {
						params.completeCallback();
					}
				};

				$menuitem.find( '.item-edit' ).attr( 'aria-expanded', 'true' );
				$inside.slideDown( 'fast', complete );

				self.container.trigger( 'expand' );
			} else {
				complete = function() {
					$menuitem
						.addClass( 'menu-item-edit-inactive' )
						.removeClass( 'menu-item-edit-active' );
					self.container.trigger( 'collapsed' );

					if ( params && params.completeCallback ) {
						params.completeCallback();
					}
				};

				self.container.trigger( 'collapse' );

				$menuitem.find( '.item-edit' ).attr( 'aria-expanded', 'false' );
				$inside.slideUp( 'fast', complete );
			}
		},

		/**
		 * Expand the containing menu section, expand the form, and focus on
		 * the first input in the control.
		 *
		 * @since 4.5.0 Added params.completeCallback.
		 *
		 * @param {Object}   [params] - Params object.
		 * @param {Function} [params.completeCallback] - Optional callback function when focus has completed.
		 */
		focus: function( params ) {
			params = params || {};
			var control = this, originalCompleteCallback = params.completeCallback, focusControl;

			focusControl = function() {
				control.expandControlSection();

				params.completeCallback = function() {
					var focusable;

					// Note that we can't use :focusable due to a jQuery UI issue. See: https://github.com/jquery/jquery-ui/pull/1583
					focusable = control.container.find( '.menu-item-settings' ).find( 'input, select, textarea, button, object, a[href], [tabindex]' ).filter( ':visible' );
					focusable.first().focus();

					if ( originalCompleteCallback ) {
						originalCompleteCallback();
					}
				};

				control.expandForm( params );
			};

			if ( api.section.has( control.section() ) ) {
				api.section( control.section() ).expand( {
					completeCallback: focusControl
				} );
			} else {
				focusControl();
			}
		},

		/**
		 * Move menu item up one in the menu.
		 */
		moveUp: function() {
			this._changePosition( -1 );
			wp.a11y.speak( api.Menus.data.l10n.movedUp );
		},

		/**
		 * Move menu item up one in the menu.
		 */
		moveDown: function() {
			this._changePosition( 1 );
			wp.a11y.speak( api.Menus.data.l10n.movedDown );
		},
		/**
		 * Move menu item and all children up one level of depth.
		 */
		moveLeft: function() {
			this._changeDepth( -1 );
			wp.a11y.speak( api.Menus.data.l10n.movedLeft );
		},

		/**
		 * Move menu item and children one level deeper, as a submenu of the previous item.
		 */
		moveRight: function() {
			this._changeDepth( 1 );
			wp.a11y.speak( api.Menus.data.l10n.movedRight );
		},

		/**
		 * Note that this will trigger a UI update, causing child items to
		 * move as well and cardinal order class names to be updated.
		 *
		 * @private
		 *
		 * @param {number} offset 1|-1
		 */
		_changePosition: function( offset ) {
			var control = this,
				adjacentSetting,
				settingValue = _.clone( control.setting() ),
				siblingSettings = [],
				realPosition;

			if ( 1 !== offset && -1 !== offset ) {
				throw new Error( 'Offset changes by 1 are only supported.' );
			}

			// Skip moving deleted items.
			if ( ! control.setting() ) {
				return;
			}

			// Locate the other items under the same parent (siblings).
			_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
				if ( otherControl.setting().menu_item_parent === settingValue.menu_item_parent ) {
					siblingSettings.push( otherControl.setting );
				}
			});
			siblingSettings.sort(function( a, b ) {
				return a().position - b().position;
			});

			realPosition = _.indexOf( siblingSettings, control.setting );
			if ( -1 === realPosition ) {
				throw new Error( 'Expected setting to be among siblings.' );
			}

			// Skip doing anything if the item is already at the edge in the desired direction.
			if ( ( realPosition === 0 && offset < 0 ) || ( realPosition === siblingSettings.length - 1 && offset > 0 ) ) {
				// @todo Should we allow a menu item to be moved up to break it out of a parent? Adopt with previous or following parent?
				return;
			}

			// Update any adjacent menu item setting to take on this item's position.
			adjacentSetting = siblingSettings[ realPosition + offset ];
			if ( adjacentSetting ) {
				adjacentSetting.set( $.extend(
					_.clone( adjacentSetting() ),
					{
						position: settingValue.position
					}
				) );
			}

			settingValue.position += offset;
			control.setting.set( settingValue );
		},

		/**
		 * Note that this will trigger a UI update, causing child items to
		 * move as well and cardinal order class names to be updated.
		 *
		 * @private
		 *
		 * @param {number} offset 1|-1
		 */
		_changeDepth: function( offset ) {
			if ( 1 !== offset && -1 !== offset ) {
				throw new Error( 'Offset changes by 1 are only supported.' );
			}
			var control = this,
				settingValue = _.clone( control.setting() ),
				siblingControls = [],
				realPosition,
				siblingControl,
				parentControl;

			// Locate the other items under the same parent (siblings).
			_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
				if ( otherControl.setting().menu_item_parent === settingValue.menu_item_parent ) {
					siblingControls.push( otherControl );
				}
			});
			siblingControls.sort(function( a, b ) {
				return a.setting().position - b.setting().position;
			});

			realPosition = _.indexOf( siblingControls, control );
			if ( -1 === realPosition ) {
				throw new Error( 'Expected control to be among siblings.' );
			}

			if ( -1 === offset ) {
				// Skip moving left an item that is already at the top level.
				if ( ! settingValue.menu_item_parent ) {
					return;
				}

				parentControl = api.control( 'nav_menu_item[' + settingValue.menu_item_parent + ']' );

				// Make this control the parent of all the following siblings.
				_( siblingControls ).chain().slice( realPosition ).each(function( siblingControl, i ) {
					siblingControl.setting.set(
						$.extend(
							{},
							siblingControl.setting(),
							{
								menu_item_parent: control.params.menu_item_id,
								position: i
							}
						)
					);
				});

				// Increase the positions of the parent item's subsequent children to make room for this one.
				_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
					var otherControlSettingValue, isControlToBeShifted;
					isControlToBeShifted = (
						otherControl.setting().menu_item_parent === parentControl.setting().menu_item_parent &&
						otherControl.setting().position > parentControl.setting().position
					);
					if ( isControlToBeShifted ) {
						otherControlSettingValue = _.clone( otherControl.setting() );
						otherControl.setting.set(
							$.extend(
								otherControlSettingValue,
								{ position: otherControlSettingValue.position + 1 }
							)
						);
					}
				});

				// Make this control the following sibling of its parent item.
				settingValue.position = parentControl.setting().position + 1;
				settingValue.menu_item_parent = parentControl.setting().menu_item_parent;
				control.setting.set( settingValue );

			} else if ( 1 === offset ) {
				// Skip moving right an item that doesn't have a previous sibling.
				if ( realPosition === 0 ) {
					return;
				}

				// Make the control the last child of the previous sibling.
				siblingControl = siblingControls[ realPosition - 1 ];
				settingValue.menu_item_parent = siblingControl.params.menu_item_id;
				settingValue.position = 0;
				_( control.getMenuControl().getMenuItemControls() ).each(function( otherControl ) {
					if ( otherControl.setting().menu_item_parent === settingValue.menu_item_parent ) {
						settingValue.position = Math.max( settingValue.position, otherControl.setting().position );
					}
				});
				settingValue.position += 1;
				control.setting.set( settingValue );
			}
		}
	} );

	/**
	 * wp.customize.Menus.MenuNameControl
	 *
	 * Customizer control for a nav menu's name.
	 *
	 * @class    wp.customize.Menus.MenuNameControl
	 * @augments wp.customize.Control
	 */
	api.Menus.MenuNameControl = api.Control.extend(/** @lends wp.customize.Menus.MenuNameControl.prototype */{

		ready: function() {
			var control = this;

			if ( control.setting ) {
				var settingValue = control.setting();

				control.nameElement = new api.Element( control.container.find( '.menu-name-field' ) );

				control.nameElement.bind(function( value ) {
					var settingValue = control.setting();
					if ( settingValue && settingValue.name !== value ) {
						settingValue = _.clone( settingValue );
						settingValue.name = value;
						control.setting.set( settingValue );
					}
				});
				if ( settingValue ) {
					control.nameElement.set( settingValue.name );
				}

				control.setting.bind(function( object ) {
					if ( object ) {
						control.nameElement.set( object.name );
					}
				});
			}
		}
	});

	/**
	 * wp.customize.Menus.MenuLocationsControl
	 *
	 * Customizer control for a nav menu's locations.
	 *
	 * @since 4.9.0
	 * @class    wp.customize.Menus.MenuLocationsControl
	 * @augments wp.customize.Control
	 */
	api.Menus.MenuLocationsControl = api.Control.extend(/** @lends wp.customize.Menus.MenuLocationsControl.prototype */{

		/**
		 * Set up the control.
		 *
		 * @since 4.9.0
		 */
		ready: function () {
			var control = this;

			control.container.find( '.assigned-menu-location' ).each(function() {
				var container = $( this ),
					checkbox = container.find( 'input[type=checkbox]' ),
					element = new api.Element( checkbox ),
					navMenuLocationSetting = api( 'nav_menu_locations[' + checkbox.data( 'location-id' ) + ']' ),
					isNewMenu = control.params.menu_id === '',
					updateCheckbox = isNewMenu ? _.noop : function( checked ) {
						element.set( checked );
					},
					updateSetting = isNewMenu ? _.noop : function( checked ) {
						navMenuLocationSetting.set( checked ? control.params.menu_id : 0 );
					},
					updateSelectedMenuLabel = function( selectedMenuId ) {
						var menuSetting = api( 'nav_menu[' + String( selectedMenuId ) + ']' );
						if ( ! selectedMenuId || ! menuSetting || ! menuSetting() ) {
							container.find( '.theme-location-set' ).hide();
						} else {
							container.find( '.theme-location-set' ).show().find( 'span' ).text( displayNavMenuName( menuSetting().name ) );
						}
					};

				updateCheckbox( navMenuLocationSetting.get() === control.params.menu_id );

				checkbox.on( 'change', function() {
					// Note: We can't use element.bind( function( checked ){ ... } ) here because it will trigger a change as well.
					updateSetting( this.checked );
				} );

				navMenuLocationSetting.bind( function( selectedMenuId ) {
					updateCheckbox( selectedMenuId === control.params.menu_id );
					updateSelectedMenuLabel( selectedMenuId );
				} );
				updateSelectedMenuLabel( navMenuLocationSetting.get() );
			});
		},

		/**
		 * Set the selected locations.
		 *
		 * This method sets the selected locations and allows us to do things like
		 * set the default location for a new menu.
		 *
		 * @since 4.9.0
		 *
		 * @param {Object.<string,boolean>} selections - A map of location selections.
		 * @return {void}
		 */
		setSelections: function( selections ) {
			this.container.find( '.menu-location' ).each( function( i, checkboxNode ) {
				var locationId = checkboxNode.dataset.locationId;
				checkboxNode.checked = locationId in selections ? selections[ locationId ] : false;
			} );
		}
	});

	/**
	 * wp.customize.Menus.MenuAutoAddControl
	 *
	 * Customizer control for a nav menu's auto add.
	 *
	 * @class    wp.customize.Menus.MenuAutoAddControl
	 * @augments wp.customize.Control
	 */
	api.Menus.MenuAutoAddControl = api.Control.extend(/** @lends wp.customize.Menus.MenuAutoAddControl.prototype */{

		ready: function() {
			var control = this,
				settingValue = control.setting();

			/*
			 * Since the control is not registered in PHP, we need to prevent the
			 * preview's sending of the activeControls to result in this control
			 * being deactivated.
			 */
			control.active.validate = function() {
				var value, section = api.section( control.section() );
				if ( section ) {
					value = section.active();
				} else {
					value = false;
				}
				return value;
			};

			control.autoAddElement = new api.Element( control.container.find( 'input[type=checkbox].auto_add' ) );

			control.autoAddElement.bind(function( value ) {
				var settingValue = control.setting();
				if ( settingValue && settingValue.name !== value ) {
					settingValue = _.clone( settingValue );
					settingValue.auto_add = value;
					control.setting.set( settingValue );
				}
			});
			if ( settingValue ) {
				control.autoAddElement.set( settingValue.auto_add );
			}

			control.setting.bind(function( object ) {
				if ( object ) {
					control.autoAddElement.set( object.auto_add );
				}
			});
		}

	});

	/**
	 * wp.customize.Menus.MenuControl
	 *
	 * Customizer control for menus.
	 * Note that 'nav_menu' must match the WP_Menu_Customize_Control::$type
	 *
	 * @class    wp.customize.Menus.MenuControl
	 * @augments wp.customize.Control
	 */
	api.Menus.MenuControl = api.Control.extend(/** @lends wp.customize.Menus.MenuControl.prototype */{
		/**
		 * Set up the control.
		 */
		ready: function() {
			var control = this,
				section = api.section( control.section() ),
				menuId = control.params.menu_id,
				menu = control.setting(),
				name,
				widgetTemplate,
				select;

			if ( 'undefined' === typeof this.params.menu_id ) {
				throw new Error( 'params.menu_id was not defined' );
			}

			/*
			 * Since the control is not registered in PHP, we need to prevent the
			 * preview's sending of the activeControls to result in this control
			 * being deactivated.
			 */
			control.active.validate = function() {
				var value;
				if ( section ) {
					value = section.active();
				} else {
					value = false;
				}
				return value;
			};

			control.$controlSection = section.headContainer;
			control.$sectionContent = control.container.closest( '.accordion-section-content' );

			this._setupModel();

			api.section( control.section(), function( section ) {
				section.deferred.initSortables.done(function( menuList ) {
					control._setupSortable( menuList );
				});
			} );

			this._setupAddition();
			this._setupTitle();

			// Add menu to Navigation Menu widgets.
			if ( menu ) {
				name = displayNavMenuName( menu.name );

				// Add the menu to the existing controls.
				api.control.each( function( widgetControl ) {
					if ( ! widgetControl.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== widgetControl.params.widget_id_base ) {
						return;
					}
					widgetControl.container.find( '.nav-menu-widget-form-controls:first' ).show();
					widgetControl.container.find( '.nav-menu-widget-no-menus-message:first' ).hide();

					select = widgetControl.container.find( 'select' );
					if ( 0 === select.find( 'option[value=' + String( menuId ) + ']' ).length ) {
						select.append( new Option( name, menuId ) );
					}
				} );

				// Add the menu to the widget template.
				widgetTemplate = $( '#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )' );
				widgetTemplate.find( '.nav-menu-widget-form-controls:first' ).show();
				widgetTemplate.find( '.nav-menu-widget-no-menus-message:first' ).hide();
				select = widgetTemplate.find( '.widget-inside select:first' );
				if ( 0 === select.find( 'option[value=' + String( menuId ) + ']' ).length ) {
					select.append( new Option( name, menuId ) );
				}
			}

			/*
			 * Wait for menu items to be added.
			 * Ideally, we'd bind to an event indicating construction is complete,
			 * but deferring appears to be the best option today.
			 */
			_.defer( function () {
				control.updateInvitationVisibility();
			} );
		},

		/**
		 * Update ordering of menu item controls when the setting is updated.
		 */
		_setupModel: function() {
			var control = this,
				menuId = control.params.menu_id;

			control.setting.bind( function( to ) {
				var name;
				if ( false === to ) {
					control._handleDeletion();
				} else {
					// Update names in the Navigation Menu widgets.
					name = displayNavMenuName( to.name );
					api.control.each( function( widgetControl ) {
						if ( ! widgetControl.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== widgetControl.params.widget_id_base ) {
							return;
						}
						var select = widgetControl.container.find( 'select' );
						select.find( 'option[value=' + String( menuId ) + ']' ).text( name );
					});
				}
			} );
		},

		/**
		 * Allow items in each menu to be re-ordered, and for the order to be previewed.
		 *
		 * Notice that the UI aspects here are handled by wpNavMenu.initSortables()
		 * which is called in MenuSection.onChangeExpanded()
		 *
		 * @param {Object} menuList - The element that has sortable().
		 */
		_setupSortable: function( menuList ) {
			var control = this;

			if ( ! menuList.is( control.$sectionContent ) ) {
				throw new Error( 'Unexpected menuList.' );
			}

			menuList.on( 'sortstart', function() {
				control.isSorting = true;
			});

			menuList.on( 'sortstop', function() {
				setTimeout( function() { // Next tick.
					var menuItemContainerIds = control.$sectionContent.sortable( 'toArray' ),
						menuItemControls = [],
						position = 0,
						priority = 10;

					control.isSorting = false;

					// Reset horizontal scroll position when done dragging.
					control.$sectionContent.scrollLeft( 0 );

					_.each( menuItemContainerIds, function( menuItemContainerId ) {
						var menuItemId, menuItemControl, matches;
						matches = menuItemContainerId.match( /^customize-control-nav_menu_item-(-?\d+)$/, '' );
						if ( ! matches ) {
							return;
						}
						menuItemId = parseInt( matches[1], 10 );
						menuItemControl = api.control( 'nav_menu_item[' + String( menuItemId ) + ']' );
						if ( menuItemControl ) {
							menuItemControls.push( menuItemControl );
						}
					} );

					_.each( menuItemControls, function( menuItemControl ) {
						if ( false === menuItemControl.setting() ) {
							// Skip deleted items.
							return;
						}
						var setting = _.clone( menuItemControl.setting() );
						position += 1;
						priority += 1;
						setting.position = position;
						menuItemControl.priority( priority );

						// Note that wpNavMenu will be setting this .menu-item-data-parent-id input's value.
						setting.menu_item_parent = parseInt( menuItemControl.container.find( '.menu-item-data-parent-id' ).val(), 10 );
						if ( ! setting.menu_item_parent ) {
							setting.menu_item_parent = 0;
						}

						menuItemControl.setting.set( setting );
					});

					// Mark all menu items as unprocessed.
					$( 'button.item-edit' ).data( 'needs_accessibility_refresh', true );
				});

			});
			control.isReordering = false;

			/**
			 * Keyboard-accessible reordering.
			 */
			this.container.find( '.reorder-toggle' ).on( 'click', function() {
				control.toggleReordering( ! control.isReordering );
			} );
		},

		/**
		 * Set up UI for adding a new menu item.
		 */
		_setupAddition: function() {
			var self = this;

			this.container.find( '.add-new-menu-item' ).on( 'click', function( event ) {
				if ( self.$sectionContent.hasClass( 'reordering' ) ) {
					return;
				}

				if ( ! $( 'body' ).hasClass( 'adding-menu-items' ) ) {
					$( this ).attr( 'aria-expanded', 'true' );
					api.Menus.availableMenuItemsPanel.open( self );
				} else {
					$( this ).attr( 'aria-expanded', 'false' );
					api.Menus.availableMenuItemsPanel.close();
					event.stopPropagation();
				}
			} );
		},

		_handleDeletion: function() {
			var control = this,
				section,
				menuId = control.params.menu_id,
				removeSection,
				widgetTemplate,
				navMenuCount = 0;
			section = api.section( control.section() );
			removeSection = function() {
				section.container.remove();
				api.section.remove( section.id );
			};

			if ( section && section.expanded() ) {
				section.collapse({
					completeCallback: function() {
						removeSection();
						wp.a11y.speak( api.Menus.data.l10n.menuDeleted );
						api.panel( 'nav_menus' ).focus();
					}
				});
			} else {
				removeSection();
			}

			api.each(function( setting ) {
				if ( /^nav_menu\[/.test( setting.id ) && false !== setting() ) {
					navMenuCount += 1;
				}
			});

			// Remove the menu from any Navigation Menu widgets.
			api.control.each(function( widgetControl ) {
				if ( ! widgetControl.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== widgetControl.params.widget_id_base ) {
					return;
				}
				var select = widgetControl.container.find( 'select' );
				if ( select.val() === String( menuId ) ) {
					select.prop( 'selectedIndex', 0 ).trigger( 'change' );
				}

				widgetControl.container.find( '.nav-menu-widget-form-controls:first' ).toggle( 0 !== navMenuCount );
				widgetControl.container.find( '.nav-menu-widget-no-menus-message:first' ).toggle( 0 === navMenuCount );
				widgetControl.container.find( 'option[value=' + String( menuId ) + ']' ).remove();
			});

			// Remove the menu to the nav menu widget template.
			widgetTemplate = $( '#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )' );
			widgetTemplate.find( '.nav-menu-widget-form-controls:first' ).toggle( 0 !== navMenuCount );
			widgetTemplate.find( '.nav-menu-widget-no-menus-message:first' ).toggle( 0 === navMenuCount );
			widgetTemplate.find( 'option[value=' + String( menuId ) + ']' ).remove();
		},

		/**
		 * Update Section Title as menu name is changed.
		 */
		_setupTitle: function() {
			var control = this;

			control.setting.bind( function( menu ) {
				if ( ! menu ) {
					return;
				}

				var section = api.section( control.section() ),
					menuId = control.params.menu_id,
					controlTitle = section.headContainer.find( '.accordion-section-title' ),
					sectionTitle = section.contentContainer.find( '.customize-section-title h3' ),
					location = section.headContainer.find( '.menu-in-location' ),
					action = sectionTitle.find( '.customize-action' ),
					name = displayNavMenuName( menu.name );

				// Update the control title.
				controlTitle.text( name );
				if ( location.length ) {
					location.appendTo( controlTitle );
				}

				// Update the section title.
				sectionTitle.text( name );
				if ( action.length ) {
					action.prependTo( sectionTitle );
				}

				// Update the nav menu name in location selects.
				api.control.each( function( control ) {
					if ( /^nav_menu_locations\[/.test( control.id ) ) {
						control.container.find( 'option[value=' + menuId + ']' ).text( name );
					}
				} );

				// Update the nav menu name in all location checkboxes.
				section.contentContainer.find( '.customize-control-checkbox input' ).each( function() {
					if ( $( this ).prop( 'checked' ) ) {
						$( '.current-menu-location-name-' + $( this ).data( 'location-id' ) ).text( name );
					}
				} );
			} );
		},

		/***********************************************************************
		 * Begin public API methods
		 **********************************************************************/

		/**
		 * Enable/disable the reordering UI
		 *
		 * @param {boolean} showOrHide to enable/disable reordering
		 */
		toggleReordering: function( showOrHide ) {
			var addNewItemBtn = this.container.find( '.add-new-menu-item' ),
				reorderBtn = this.container.find( '.reorder-toggle' ),
				itemsTitle = this.$sectionContent.find( '.item-title' );

			showOrHide = Boolean( showOrHide );

			if ( showOrHide === this.$sectionContent.hasClass( 'reordering' ) ) {
				return;
			}

			this.isReordering = showOrHide;
			this.$sectionContent.toggleClass( 'reordering', showOrHide );
			this.$sectionContent.sortable( this.isReordering ? 'disable' : 'enable' );
			if ( this.isReordering ) {
				addNewItemBtn.attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
				reorderBtn.attr( 'aria-label', api.Menus.data.l10n.reorderLabelOff );
				wp.a11y.speak( api.Menus.data.l10n.reorderModeOn );
				itemsTitle.attr( 'aria-hidden', 'false' );
			} else {
				addNewItemBtn.removeAttr( 'tabindex aria-hidden' );
				reorderBtn.attr( 'aria-label', api.Menus.data.l10n.reorderLabelOn );
				wp.a11y.speak( api.Menus.data.l10n.reorderModeOff );
				itemsTitle.attr( 'aria-hidden', 'true' );
			}

			if ( showOrHide ) {
				_( this.getMenuItemControls() ).each( function( formControl ) {
					formControl.collapseForm();
				} );
			}
		},

		/**
		 * @return {wp.customize.controlConstructor.nav_menu_item[]}
		 */
		getMenuItemControls: function() {
			var menuControl = this,
				menuItemControls = [],
				menuTermId = menuControl.params.menu_id;

			api.control.each(function( control ) {
				if ( 'nav_menu_item' === control.params.type && control.setting() && menuTermId === control.setting().nav_menu_term_id ) {
					menuItemControls.push( control );
				}
			});

			return menuItemControls;
		},

		/**
		 * Make sure that each menu item control has the proper depth.
		 */
		reflowMenuItems: function() {
			var menuControl = this,
				menuItemControls = menuControl.getMenuItemControls(),
				reflowRecursively;

			reflowRecursively = function( context ) {
				var currentMenuItemControls = [],
					thisParent = context.currentParent;
				_.each( context.menuItemControls, function( menuItemControl ) {
					if ( thisParent === menuItemControl.setting().menu_item_parent ) {
						currentMenuItemControls.push( menuItemControl );
						// @todo We could remove this item from menuItemControls now, for efficiency.
					}
				});
				currentMenuItemControls.sort( function( a, b ) {
					return a.setting().position - b.setting().position;
				});

				_.each( currentMenuItemControls, function( menuItemControl ) {
					// Update position.
					context.currentAbsolutePosition += 1;
					menuItemControl.priority.set( context.currentAbsolutePosition ); // This will change the sort order.

					// Update depth.
					if ( ! menuItemControl.container.hasClass( 'menu-item-depth-' + String( context.currentDepth ) ) ) {
						_.each( menuItemControl.container.prop( 'className' ).match( /menu-item-depth-\d+/g ), function( className ) {
							menuItemControl.container.removeClass( className );
						});
						menuItemControl.container.addClass( 'menu-item-depth-' + String( context.currentDepth ) );
					}
					menuItemControl.container.data( 'item-depth', context.currentDepth );

					// Process any children items.
					context.currentDepth += 1;
					context.currentParent = menuItemControl.params.menu_item_id;
					reflowRecursively( context );
					context.currentDepth -= 1;
					context.currentParent = thisParent;
				});

				// Update class names for reordering controls.
				if ( currentMenuItemControls.length ) {
					_( currentMenuItemControls ).each(function( menuItemControl ) {
						menuItemControl.container.removeClass( 'move-up-disabled move-down-disabled move-left-disabled move-right-disabled' );
						if ( 0 === context.currentDepth ) {
							menuItemControl.container.addClass( 'move-left-disabled' );
						} else if ( 10 === context.currentDepth ) {
							menuItemControl.container.addClass( 'move-right-disabled' );
						}
					});

					currentMenuItemControls[0].container
						.addClass( 'move-up-disabled' )
						.addClass( 'move-right-disabled' )
						.toggleClass( 'move-down-disabled', 1 === currentMenuItemControls.length );
					currentMenuItemControls[ currentMenuItemControls.length - 1 ].container
						.addClass( 'move-down-disabled' )
						.toggleClass( 'move-up-disabled', 1 === currentMenuItemControls.length );
				}
			};

			reflowRecursively( {
				menuItemControls: menuItemControls,
				currentParent: 0,
				currentDepth: 0,
				currentAbsolutePosition: 0
			} );

			menuControl.updateInvitationVisibility( menuItemControls );
			menuControl.container.find( '.reorder-toggle' ).toggle( menuItemControls.length > 1 );
		},

		/**
		 * Note that this function gets debounced so that when a lot of setting
		 * changes are made at once, for instance when moving a menu item that
		 * has child items, this function will only be called once all of the
		 * settings have been updated.
		 */
		debouncedReflowMenuItems: _.debounce( function() {
			this.reflowMenuItems.apply( this, arguments );
		}, 0 ),

		/**
		 * Add a new item to this menu.
		 *
		 * @param {Object} item - Value for the nav_menu_item setting to be created.
		 * @return {wp.customize.Menus.controlConstructor.nav_menu_item} The newly-created nav_menu_item control instance.
		 */
		addItemToMenu: function( item ) {
			var menuControl = this, customizeId, settingArgs, setting, menuItemControl, placeholderId, position = 0, priority = 10,
				originalItemId = item.id || '';

			_.each( menuControl.getMenuItemControls(), function( control ) {
				if ( false === control.setting() ) {
					return;
				}
				priority = Math.max( priority, control.priority() );
				if ( 0 === control.setting().menu_item_parent ) {
					position = Math.max( position, control.setting().position );
				}
			});
			position += 1;
			priority += 1;

			item = $.extend(
				{},
				api.Menus.data.defaultSettingValues.nav_menu_item,
				item,
				{
					nav_menu_term_id: menuControl.params.menu_id,
					position: position
				}
			);
			delete item.id; // Only used by Backbone.

			placeholderId = api.Menus.generatePlaceholderAutoIncrementId();
			customizeId = 'nav_menu_item[' + String( placeholderId ) + ']';
			settingArgs = {
				type: 'nav_menu_item',
				transport: api.Menus.data.settingTransport,
				previewer: api.previewer
			};
			setting = api.create( customizeId, customizeId, {}, settingArgs );
			setting.set( item ); // Change from initial empty object to actual item to mark as dirty.

			// Add the menu item control.
			menuItemControl = new api.controlConstructor.nav_menu_item( customizeId, {
				type: 'nav_menu_item',
				section: menuControl.id,
				priority: priority,
				settings: {
					'default': customizeId
				},
				menu_item_id: placeholderId,
				original_item_id: originalItemId
			} );

			api.control.add( menuItemControl );
			setting.preview();
			menuControl.debouncedReflowMenuItems();

			wp.a11y.speak( api.Menus.data.l10n.itemAdded );

			return menuItemControl;
		},

		/**
		 * Show an invitation to add new menu items when there are no menu items.
		 *
		 * @since 4.9.0
		 *
		 * @param {wp.customize.controlConstructor.nav_menu_item[]} optionalMenuItemControls
		 */
		updateInvitationVisibility: function ( optionalMenuItemControls ) {
			var menuItemControls = optionalMenuItemControls || this.getMenuItemControls();

			this.container.find( '.new-menu-item-invitation' ).toggle( menuItemControls.length === 0 );
		}
	} );

	/**
	 * Extends wp.customize.controlConstructor with control constructor for
	 * menu_location, menu_item, nav_menu, and new_menu.
	 */
	$.extend( api.controlConstructor, {
		nav_menu_location: api.Menus.MenuLocationControl,
		nav_menu_item: api.Menus.MenuItemControl,
		nav_menu: api.Menus.MenuControl,
		nav_menu_name: api.Menus.MenuNameControl,
		nav_menu_locations: api.Menus.MenuLocationsControl,
		nav_menu_auto_add: api.Menus.MenuAutoAddControl
	});

	/**
	 * Extends wp.customize.panelConstructor with section constructor for menus.
	 */
	$.extend( api.panelConstructor, {
		nav_menus: api.Menus.MenusPanel
	});

	/**
	 * Extends wp.customize.sectionConstructor with section constructor for menu.
	 */
	$.extend( api.sectionConstructor, {
		nav_menu: api.Menus.MenuSection,
		new_menu: api.Menus.NewMenuSection
	});

	/**
	 * Init Customizer for menus.
	 */
	api.bind( 'ready', function() {

		// Set up the menu items panel.
		api.Menus.availableMenuItemsPanel = new api.Menus.AvailableMenuItemsPanelView({
			collection: api.Menus.availableMenuItems
		});

		api.bind( 'saved', function( data ) {
			if ( data.nav_menu_updates || data.nav_menu_item_updates ) {
				api.Menus.applySavedData( data );
			}
		} );

		/*
		 * Reset the list of posts created in the customizer once published.
		 * The setting is updated quietly (bypassing events being triggered)
		 * so that the customized state doesn't become immediately dirty.
		 */
		api.state( 'changesetStatus' ).bind( function( status ) {
			if ( 'publish' === status ) {
				api( 'nav_menus_created_posts' )._value = [];
			}
		} );

		// Open and focus menu control.
		api.previewer.bind( 'focus-nav-menu-item-control', api.Menus.focusMenuItemControl );
	} );

	/**
	 * When customize_save comes back with a success, make sure any inserted
	 * nav menus and items are properly re-added with their newly-assigned IDs.
	 *
	 * @alias wp.customize.Menus.applySavedData
	 *
	 * @param {Object} data
	 * @param {Array} data.nav_menu_updates
	 * @param {Array} data.nav_menu_item_updates
	 */
	api.Menus.applySavedData = function( data ) {

		var insertedMenuIdMapping = {}, insertedMenuItemIdMapping = {};

		_( data.nav_menu_updates ).each(function( update ) {
			var oldCustomizeId, newCustomizeId, customizeId, oldSetting, newSetting, setting, settingValue, oldSection, newSection, wasSaved, widgetTemplate, navMenuCount, shouldExpandNewSection;
			if ( 'inserted' === update.status ) {
				if ( ! update.previous_term_id ) {
					throw new Error( 'Expected previous_term_id' );
				}
				if ( ! update.term_id ) {
					throw new Error( 'Expected term_id' );
				}
				oldCustomizeId = 'nav_menu[' + String( update.previous_term_id ) + ']';
				if ( ! api.has( oldCustomizeId ) ) {
					throw new Error( 'Expected setting to exist: ' + oldCustomizeId );
				}
				oldSetting = api( oldCustomizeId );
				if ( ! api.section.has( oldCustomizeId ) ) {
					throw new Error( 'Expected control to exist: ' + oldCustomizeId );
				}
				oldSection = api.section( oldCustomizeId );

				settingValue = oldSetting.get();
				if ( ! settingValue ) {
					throw new Error( 'Did not expect setting to be empty (deleted).' );
				}
				settingValue = $.extend( _.clone( settingValue ), update.saved_value );

				insertedMenuIdMapping[ update.previous_term_id ] = update.term_id;
				newCustomizeId = 'nav_menu[' + String( update.term_id ) + ']';
				newSetting = api.create( newCustomizeId, newCustomizeId, settingValue, {
					type: 'nav_menu',
					transport: api.Menus.data.settingTransport,
					previewer: api.previewer
				} );

				shouldExpandNewSection = oldSection.expanded();
				if ( shouldExpandNewSection ) {
					oldSection.collapse();
				}

				// Add the menu section.
				newSection = new api.Menus.MenuSection( newCustomizeId, {
					panel: 'nav_menus',
					title: settingValue.name,
					customizeAction: api.Menus.data.l10n.customizingMenus,
					type: 'nav_menu',
					priority: oldSection.priority.get(),
					menu_id: update.term_id
				} );

				// Add new control for the new menu.
				api.section.add( newSection );

				// Update the values for nav menus in Navigation Menu controls.
				api.control.each( function( setting ) {
					if ( ! setting.extended( api.controlConstructor.widget_form ) || 'nav_menu' !== setting.params.widget_id_base ) {
						return;
					}
					var select, oldMenuOption, newMenuOption;
					select = setting.container.find( 'select' );
					oldMenuOption = select.find( 'option[value=' + String( update.previous_term_id ) + ']' );
					newMenuOption = select.find( 'option[value=' + String( update.term_id ) + ']' );
					newMenuOption.prop( 'selected', oldMenuOption.prop( 'selected' ) );
					oldMenuOption.remove();
				} );

				// Delete the old placeholder nav_menu.
				oldSetting.callbacks.disable(); // Prevent setting triggering Customizer dirty state when set.
				oldSetting.set( false );
				oldSetting.preview();
				newSetting.preview();
				oldSetting._dirty = false;

				// Remove nav_menu section.
				oldSection.container.remove();
				api.section.remove( oldCustomizeId );

				// Update the nav_menu widget to reflect removed placeholder menu.
				navMenuCount = 0;
				api.each(function( setting ) {
					if ( /^nav_menu\[/.test( setting.id ) && false !== setting() ) {
						navMenuCount += 1;
					}
				});
				widgetTemplate = $( '#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )' );
				widgetTemplate.find( '.nav-menu-widget-form-controls:first' ).toggle( 0 !== navMenuCount );
				widgetTemplate.find( '.nav-menu-widget-no-menus-message:first' ).toggle( 0 === navMenuCount );
				widgetTemplate.find( 'option[value=' + String( update.previous_term_id ) + ']' ).remove();

				// Update the nav_menu_locations[...] controls to remove the placeholder menus from the dropdown options.
				wp.customize.control.each(function( control ){
					if ( /^nav_menu_locations\[/.test( control.id ) ) {
						control.container.find( 'option[value=' + String( update.previous_term_id ) + ']' ).remove();
					}
				});

				// Update nav_menu_locations to reference the new ID.
				api.each( function( setting ) {
					var wasSaved = api.state( 'saved' ).get();
					if ( /^nav_menu_locations\[/.test( setting.id ) && setting.get() === update.previous_term_id ) {
						setting.set( update.term_id );
						setting._dirty = false; // Not dirty because this is has also just been done on server in WP_Customize_Nav_Menu_Setting::update().
						api.state( 'saved' ).set( wasSaved );
						setting.preview();
					}
				} );

				if ( shouldExpandNewSection ) {
					newSection.expand();
				}
			} else if ( 'updated' === update.status ) {
				customizeId = 'nav_menu[' + String( update.term_id ) + ']';
				if ( ! api.has( customizeId ) ) {
					throw new Error( 'Expected setting to exist: ' + customizeId );
				}

				// Make sure the setting gets updated with its sanitized server value (specifically the conflict-resolved name).
				setting = api( customizeId );
				if ( ! _.isEqual( update.saved_value, setting.get() ) ) {
					wasSaved = api.state( 'saved' ).get();
					setting.set( update.saved_value );
					setting._dirty = false;
					api.state( 'saved' ).set( wasSaved );
				}
			}
		} );

		// Build up mapping of nav_menu_item placeholder IDs to inserted IDs.
		_( data.nav_menu_item_updates ).each(function( update ) {
			if ( update.previous_post_id ) {
				insertedMenuItemIdMapping[ update.previous_post_id ] = update.post_id;
			}
		});

		_( data.nav_menu_item_updates ).each(function( update ) {
			var oldCustomizeId, newCustomizeId, oldSetting, newSetting, settingValue, oldControl, newControl;
			if ( 'inserted' === update.status ) {
				if ( ! update.previous_post_id ) {
					throw new Error( 'Expected previous_post_id' );
				}
				if ( ! update.post_id ) {
					throw new Error( 'Expected post_id' );
				}
				oldCustomizeId = 'nav_menu_item[' + String( update.previous_post_id ) + ']';
				if ( ! api.has( oldCustomizeId ) ) {
					throw new Error( 'Expected setting to exist: ' + oldCustomizeId );
				}
				oldSetting = api( oldCustomizeId );
				if ( ! api.control.has( oldCustomizeId ) ) {
					throw new Error( 'Expected control to exist: ' + oldCustomizeId );
				}
				oldControl = api.control( oldCustomizeId );

				settingValue = oldSetting.get();
				if ( ! settingValue ) {
					throw new Error( 'Did not expect setting to be empty (deleted).' );
				}
				settingValue = _.clone( settingValue );

				// If the parent menu item was also inserted, update the menu_item_parent to the new ID.
				if ( settingValue.menu_item_parent < 0 ) {
					if ( ! insertedMenuItemIdMapping[ settingValue.menu_item_parent ] ) {
						throw new Error( 'inserted ID for menu_item_parent not available' );
					}
					settingValue.menu_item_parent = insertedMenuItemIdMapping[ settingValue.menu_item_parent ];
				}

				// If the menu was also inserted, then make sure it uses the new menu ID for nav_menu_term_id.
				if ( insertedMenuIdMapping[ settingValue.nav_menu_term_id ] ) {
					settingValue.nav_menu_term_id = insertedMenuIdMapping[ settingValue.nav_menu_term_id ];
				}

				newCustomizeId = 'nav_menu_item[' + String( update.post_id ) + ']';
				newSetting = api.create( newCustomizeId, newCustomizeId, settingValue, {
					type: 'nav_menu_item',
					transport: api.Menus.data.settingTransport,
					previewer: api.previewer
				} );

				// Add the menu control.
				newControl = new api.controlConstructor.nav_menu_item( newCustomizeId, {
					type: 'nav_menu_item',
					menu_id: update.post_id,
					section: 'nav_menu[' + String( settingValue.nav_menu_term_id ) + ']',
					priority: oldControl.priority.get(),
					settings: {
						'default': newCustomizeId
					},
					menu_item_id: update.post_id
				} );

				// Remove old control.
				oldControl.container.remove();
				api.control.remove( oldCustomizeId );

				// Add new control to take its place.
				api.control.add( newControl );

				// Delete the placeholder and preview the new setting.
				oldSetting.callbacks.disable(); // Prevent setting triggering Customizer dirty state when set.
				oldSetting.set( false );
				oldSetting.preview();
				newSetting.preview();
				oldSetting._dirty = false;

				newControl.container.toggleClass( 'menu-item-edit-inactive', oldControl.container.hasClass( 'menu-item-edit-inactive' ) );
			}
		});

		/*
		 * Update the settings for any nav_menu widgets that had selected a placeholder ID.
		 */
		_.each( data.widget_nav_menu_updates, function( widgetSettingValue, widgetSettingId ) {
			var setting = api( widgetSettingId );
			if ( setting ) {
				setting._value = widgetSettingValue;
				setting.preview(); // Send to the preview now so that menu refresh will use the inserted menu.
			}
		});
	};

	/**
	 * Focus a menu item control.
	 *
	 * @alias wp.customize.Menus.focusMenuItemControl
	 *
	 * @param {string} menuItemId
	 */
	api.Menus.focusMenuItemControl = function( menuItemId ) {
		var control = api.Menus.getMenuItemControl( menuItemId );
		if ( control ) {
			control.focus();
		}
	};

	/**
	 * Get the control for a given menu.
	 *
	 * @alias wp.customize.Menus.getMenuControl
	 *
	 * @param menuId
	 * @return {wp.customize.controlConstructor.menus[]}
	 */
	api.Menus.getMenuControl = function( menuId ) {
		return api.control( 'nav_menu[' + menuId + ']' );
	};

	/**
	 * Given a menu item ID, get the control associated with it.
	 *
	 * @alias wp.customize.Menus.getMenuItemControl
	 *
	 * @param {string} menuItemId
	 * @return {Object|null}
	 */
	api.Menus.getMenuItemControl = function( menuItemId ) {
		return api.control( menuItemIdToSettingId( menuItemId ) );
	};

	/**
	 * @alias wp.customize.Menus~menuItemIdToSettingId
	 *
	 * @param {string} menuItemId
	 */
	function menuItemIdToSettingId( menuItemId ) {
		return 'nav_menu_item[' + menuItemId + ']';
	}

	/**
	 * Apply sanitize_text_field()-like logic to the supplied name, returning a
	 * "unnammed" fallback string if the name is then empty.
	 *
	 * @alias wp.customize.Menus~displayNavMenuName
	 *
	 * @param {string} name
	 * @return {string}
	 */
	function displayNavMenuName( name ) {
		name = name || '';
		name = wp.sanitize.stripTagsAndEncodeText( name ); // Remove any potential tags from name.
		name = name.toString().trim();
		return name || api.Menus.data.l10n.unnamed;
	}

})( wp.customize, wp, jQuery );
PK       ! G3�J�  �    custom-header.jsnu �[���        /**
 * @output wp-admin/js/custom-header.js
 */

/* global isRtl */

/**
 * Initializes the custom header selection page.
 *
 * @since 3.5.0
 *
 * @deprecated 4.1.0 The page this is used on is never linked to from the UI.
 *             Setting a custom header is completely handled by the Customizer.
 */
(function($) {
	var frame;

	$( function() {
		// Fetch available headers.
		var $headers = $('.available-headers');

		// Apply jQuery.masonry once the images have loaded.
		$headers.imagesLoaded( function() {
			$headers.masonry({
				itemSelector: '.default-header',
				isRTL: !! ( 'undefined' != typeof isRtl && isRtl )
			});
		});

		/**
		 * Opens the 'choose from library' frame and creates it if it doesn't exist.
		 *
		 * @since 3.5.0
		 * @deprecated 4.1.0
		 *
		 * @return {void}
		 */
		$('#choose-from-library-link').on( 'click', function( event ) {
			var $el = $(this);
			event.preventDefault();

			// If the media frame already exists, reopen it.
			if ( frame ) {
				frame.open();
				return;
			}

			// Create the media frame.
			frame = wp.media.frames.customHeader = wp.media({
				// Set the title of the modal.
				title: $el.data('choose'),

				// Tell the modal to show only images.
				library: {
					type: 'image'
				},

				// Customize the submit button.
				button: {
					// Set the text of the button.
					text: $el.data('update'),
					// Tell the button not to close the modal, since we're
					// going to refresh the page when the image is selected.
					close: false
				}
			});

			/**
			 * Updates the window location to include the selected attachment.
			 *
			 * @since 3.5.0
			 * @deprecated 4.1.0
			 *
			 * @return {void}
			 */
			frame.on( 'select', function() {
				// Grab the selected attachment.
				var attachment = frame.state().get('selection').first(),
					link = $el.data('updateLink');

				// Tell the browser to navigate to the crop step.
				window.location = link + '&file=' + attachment.id;
			});

			frame.open();
		});
	});
}(jQuery));
PK       ! 	>iZ�  �    user-suggest.jsnu �[���        /**
 * Suggests users in a multisite environment.
 *
 * For input fields where the admin can select a user based on email or
 * username, this script shows an autocompletion menu for these inputs. Should
 * only be used in a multisite environment. Only users in the currently active
 * site are shown.
 *
 * @since 3.4.0
 * @output wp-admin/js/user-suggest.js
 */

/* global ajaxurl, current_site_id, isRtl */

(function( $ ) {
	var id = ( typeof current_site_id !== 'undefined' ) ? '&site_id=' + current_site_id : '';
	$( function() {
		var position = { offset: '0, -1' };
		if ( typeof isRtl !== 'undefined' && isRtl ) {
			position.my = 'right top';
			position.at = 'right bottom';
		}

		/**
		 * Adds an autocomplete function to input fields marked with the class
		 * 'wp-suggest-user'.
		 *
		 * A minimum of two characters is required to trigger the suggestions. The
		 * autocompletion menu is shown at the left bottom of the input field. On
		 * RTL installations, it is shown at the right top. Adds the class 'open' to
		 * the input field when the autocompletion menu is shown.
		 *
		 * Does a backend call to retrieve the users.
		 *
		 * Optional data-attributes:
		 * - data-autocomplete-type (add, search)
		 *   The action that is going to be performed: search for existing users
		 *   or add a new one. Default: add
		 * - data-autocomplete-field (user_login, user_email)
		 *   The field that is returned as the value for the suggestion.
		 *   Default: user_login
		 *
		 * @see wp-admin/includes/admin-actions.php:wp_ajax_autocomplete_user()
		 */
		$( '.wp-suggest-user' ).each( function(){
			var $this = $( this ),
				autocompleteType = ( typeof $this.data( 'autocompleteType' ) !== 'undefined' ) ? $this.data( 'autocompleteType' ) : 'add',
				autocompleteField = ( typeof $this.data( 'autocompleteField' ) !== 'undefined' ) ? $this.data( 'autocompleteField' ) : 'user_login';

			$this.autocomplete({
				source:    ajaxurl + '?action=autocomplete-user&autocomplete_type=' + autocompleteType + '&autocomplete_field=' + autocompleteField + id,
				delay:     500,
				minLength: 2,
				position:  position,
				open: function() {
					$( this ).addClass( 'open' );
				},
				close: function() {
					$( this ).removeClass( 'open' );
				}
			});
		});
	});
})( jQuery );
PK       ! /��m  m    media.jsnu �[���        /**
 * Creates a dialog containing posts that can have a particular media attached
 * to it.
 *
 * @since 2.7.0
 * @output wp-admin/js/media.js
 *
 * @namespace findPosts
 *
 * @requires jQuery
 */

/* global ajaxurl, _wpMediaGridSettings, showNotice, findPosts, ClipboardJS */

( function( $ ){
	window.findPosts = {
		/**
		 * Opens a dialog to attach media to a post.
		 *
		 * Adds an overlay prior to retrieving a list of posts to attach the media to.
		 *
		 * @since 2.7.0
		 *
		 * @memberOf findPosts
		 *
		 * @param {string} af_name The name of the affected element.
		 * @param {string} af_val The value of the affected post element.
		 *
		 * @return {boolean} Always returns false.
		 */
		open: function( af_name, af_val ) {
			var overlay = $( '.ui-find-overlay' );

			if ( overlay.length === 0 ) {
				$( 'body' ).append( '<div class="ui-find-overlay"></div>' );
				findPosts.overlay();
			}

			overlay.show();

			if ( af_name && af_val ) {
				// #affected is a hidden input field in the dialog that keeps track of which media should be attached.
				$( '#affected' ).attr( 'name', af_name ).val( af_val );
			}

			$( '#find-posts' ).show();

			// Close the dialog when the escape key is pressed.
			$('#find-posts-input').trigger( 'focus' ).on( 'keyup', function( event ){
				if ( event.which == 27 ) {
					findPosts.close();
				}
			});

			// Retrieves a list of applicable posts for media attachment and shows them.
			findPosts.send();

			return false;
		},

		/**
		 * Clears the found posts lists before hiding the attach media dialog.
		 *
		 * @since 2.7.0
		 *
		 * @memberOf findPosts
		 *
		 * @return {void}
		 */
		close: function() {
			$('#find-posts-response').empty();
			$('#find-posts').hide();
			$( '.ui-find-overlay' ).hide();
		},

		/**
		 * Binds a click event listener to the overlay which closes the attach media
		 * dialog.
		 *
		 * @since 3.5.0
		 *
		 * @memberOf findPosts
		 *
		 * @return {void}
		 */
		overlay: function() {
			$( '.ui-find-overlay' ).on( 'click', function () {
				findPosts.close();
			});
		},

		/**
		 * Retrieves and displays posts based on the search term.
		 *
		 * Sends a post request to the admin_ajax.php, requesting posts based on the
		 * search term provided by the user. Defaults to all posts if no search term is
		 * provided.
		 *
		 * @since 2.7.0
		 *
		 * @memberOf findPosts
		 *
		 * @return {void}
		 */
		send: function() {
			var post = {
					ps: $( '#find-posts-input' ).val(),
					action: 'find_posts',
					_ajax_nonce: $('#_ajax_nonce').val()
				},
				spinner = $( '.find-box-search .spinner' );

			spinner.addClass( 'is-active' );

			/**
			 * Send a POST request to admin_ajax.php, hide the spinner and replace the list
			 * of posts with the response data. If an error occurs, display it.
			 */
			$.ajax( ajaxurl, {
				type: 'POST',
				data: post,
				dataType: 'json'
			}).always( function() {
				spinner.removeClass( 'is-active' );
			}).done( function( x ) {
				if ( ! x.success ) {
					$( '#find-posts-response' ).text( wp.i18n.__( 'An error has occurred. Please reload the page and try again.' ) );
				}

				$( '#find-posts-response' ).html( x.data );
			}).fail( function() {
				$( '#find-posts-response' ).text( wp.i18n.__( 'An error has occurred. Please reload the page and try again.' ) );
			});
		}
	};

	/**
	 * Initializes the file once the DOM is fully loaded and attaches events to the
	 * various form elements.
	 *
	 * @return {void}
	 */
	$( function() {
		var settings,
			$mediaGridWrap             = $( '#wp-media-grid' ),
			copyAttachmentURLClipboard = new ClipboardJS( '.copy-attachment-url.media-library' ),
			copyAttachmentURLSuccessTimeout,
			previousSuccessElement = null;

		// Opens a manage media frame into the grid.
		if ( $mediaGridWrap.length && window.wp && window.wp.media ) {
			settings = _wpMediaGridSettings;

			var frame = window.wp.media({
				frame: 'manage',
				container: $mediaGridWrap,
				library: settings.queryVars
			}).open();

			// Fire a global ready event.
			$mediaGridWrap.trigger( 'wp-media-grid-ready', frame );
		}

		// Prevents form submission if no post has been selected.
		$( '#find-posts-submit' ).on( 'click', function( event ) {
			if ( ! $( '#find-posts-response input[type="radio"]:checked' ).length )
				event.preventDefault();
		});

		// Submits the search query when hitting the enter key in the search input.
		$( '#find-posts .find-box-search :input' ).on( 'keypress', function( event ) {
			if ( 13 == event.which ) {
				findPosts.send();
				return false;
			}
		});

		// Binds the click event to the search button.
		$( '#find-posts-search' ).on( 'click', findPosts.send );

		// Binds the close dialog click event.
		$( '#find-posts-close' ).on( 'click', findPosts.close );

		// Binds the bulk action events to the submit buttons.
		$( '#doaction' ).on( 'click', function( event ) {

			/*
			 * Handle the bulk action based on its value.
			 */
			$( 'select[name="action"]' ).each( function() {
				var optionValue = $( this ).val();

				if ( 'attach' === optionValue ) {
					event.preventDefault();
					findPosts.open();
				} else if ( 'delete' === optionValue ) {
					if ( ! showNotice.warn() ) {
						event.preventDefault();
					}
				}
			});
		});

		/**
		 * Enables clicking on the entire table row.
		 *
		 * @return {void}
		 */
		$( '.find-box-inside' ).on( 'click', 'tr', function() {
			$( this ).find( '.found-radio input' ).prop( 'checked', true );
		});

		/**
		 * Handles media list copy media URL button.
		 *
		 * @since 6.0.0
		 *
		 * @param {MouseEvent} event A click event.
		 * @return {void}
		 */
		copyAttachmentURLClipboard.on( 'success', function( event ) {
			var triggerElement = $( event.trigger ),
				successElement = $( '.success', triggerElement.closest( '.copy-to-clipboard-container' ) );

			// Clear the selection and move focus back to the trigger.
			event.clearSelection();

			// Checking if the previousSuccessElement is present, adding the hidden class to it.
			if ( previousSuccessElement ) {
				previousSuccessElement.addClass( 'hidden' );
			}

			// Show success visual feedback.
			clearTimeout( copyAttachmentURLSuccessTimeout );
			successElement.removeClass( 'hidden' );

			// Hide success visual feedback after 3 seconds since last success and unfocus the trigger.
			copyAttachmentURLSuccessTimeout = setTimeout( function() {
				successElement.addClass( 'hidden' );
				// No need to store the previous success element further.
				previousSuccessElement = null;
			}, 3000 );

			previousSuccessElement = successElement;

			// Handle success audible feedback.
			wp.a11y.speak( wp.i18n.__( 'The file URL has been copied to your clipboard' ) );
		} );
	});
})( jQuery );
PK       ! �Z�@f  @f    theme-plugin-editor.jsnu �[���        /**
 * @output wp-admin/js/theme-plugin-editor.js
 */

/* eslint-env es2020 */

/* eslint no-magic-numbers: ["error", { "ignore": [-1, 0, 1, 9, 1000] }] */

if ( ! window.wp ) {
	window.wp = {};
}

wp.themePluginEditor = (function( $ ) {
	'use strict';
	var component, TreeLinks,
		__ = wp.i18n.__, _n = wp.i18n._n, sprintf = wp.i18n.sprintf;

	component = {
		codeEditor: {},
		instance: null,
		noticeElements: {},
		dirty: false,
		lintErrors: []
	};

	/**
	 * Initialize component.
	 *
	 * @since 4.9.0
	 *
	 * @param {jQuery}         form - Form element.
	 * @param {Object}         settings - Settings.
	 * @param {Object|boolean} settings.codeEditor - Code editor settings (or `false` if syntax highlighting is disabled).
	 * @return {void}
	 */
	component.init = function init( form, settings ) {

		component.form = form;
		if ( settings ) {
			$.extend( component, settings );
		}

		component.noticeTemplate = wp.template( 'wp-file-editor-notice' );
		component.noticesContainer = component.form.find( '.editor-notices' );
		component.submitButton = component.form.find( ':input[name=submit]' );
		component.spinner = component.form.find( '.submit .spinner' );
		component.form.on( 'submit', component.submit );
		component.textarea = component.form.find( '#newcontent' );
		component.textarea.on( 'change', component.onChange );
		component.warning = $( '.file-editor-warning' );
		component.docsLookUpButton = component.form.find( '#docs-lookup' );
		component.docsLookUpList = component.form.find( '#docs-list' );

		if ( component.warning.length > 0 ) {
			component.showWarning();
		}

		if ( false !== component.codeEditor ) {
			/*
			 * Defer adding notices until after DOM ready as workaround for WP Admin injecting
			 * its own managed dismiss buttons and also to prevent the editor from showing a notice
			 * when the file had linting errors to begin with.
			 */
			_.defer( function() {
				component.initCodeEditor();
			} );
		}

		$( component.initFileBrowser );

		$( window ).on( 'beforeunload', function() {
			if ( component.dirty ) {
				return __( 'The changes you made will be lost if you navigate away from this page.' );
			}
			return undefined;
		} );

		component.docsLookUpList.on( 'change', function() {
			var option = $( this ).val();
			if ( '' === option ) {
				component.docsLookUpButton.prop( 'disabled', true );
			} else {
				component.docsLookUpButton.prop( 'disabled', false );
			}
		} );

		// Initiate saving the file when not focused in CodeMirror or when the user has syntax highlighting turned off.
		$( window ).on( 'keydown', function( event ) {
			if (
				( event.ctrlKey || event.metaKey ) &&
				( 's' === event.key.toLowerCase() ) &&
				( ! component.instance || ! component.instance.codemirror.hasFocus() )
			) {
				event.preventDefault();
				component.form.trigger( 'submit' );
			}
		} );
	};

	/**
	 * Set up and display the warning modal.
	 *
	 * @since 4.9.0
	 * @return {void}
	 */
	component.showWarning = function() {
		// Get the text within the modal.
		var rawMessage = component.warning.find( '.file-editor-warning-message' ).text();
		// Hide all the #wpwrap content from assistive technologies.
		$( '#wpwrap' ).attr( 'aria-hidden', 'true' );
		// Detach the warning modal from its position and append it to the body.
		$( document.body )
			.addClass( 'modal-open' )
			.append( component.warning.detach() );
		// Reveal the modal and set focus on the go back button.
		component.warning
			.removeClass( 'hidden' )
			.find( '.file-editor-warning-go-back' ).trigger( 'focus' );
		// Get the links and buttons within the modal.
		component.warningTabbables = component.warning.find( 'a, button' );
		// Attach event handlers.
		component.warningTabbables.on( 'keydown', component.constrainTabbing );
		component.warning.on( 'click', '.file-editor-warning-dismiss', component.dismissWarning );
		// Make screen readers announce the warning message after a short delay (necessary for some screen readers).
		setTimeout( function() {
			wp.a11y.speak( wp.sanitize.stripTags( rawMessage.replace( /\s+/g, ' ' ) ), 'assertive' );
		}, 1000 );
	};

	/**
	 * Constrain tabbing within the warning modal.
	 *
	 * @since 4.9.0
	 * @param {Object} event jQuery event object.
	 * @return {void}
	 */
	component.constrainTabbing = function( event ) {
		var firstTabbable, lastTabbable;

		if ( 9 !== event.which ) {
			return;
		}

		firstTabbable = component.warningTabbables.first()[0];
		lastTabbable = component.warningTabbables.last()[0];

		if ( lastTabbable === event.target && ! event.shiftKey ) {
			firstTabbable.focus();
			event.preventDefault();
		} else if ( firstTabbable === event.target && event.shiftKey ) {
			lastTabbable.focus();
			event.preventDefault();
		}
	};

	/**
	 * Dismiss the warning modal.
	 *
	 * @since 4.9.0
	 * @return {void}
	 */
	component.dismissWarning = function() {

		wp.ajax.post( 'dismiss-wp-pointer', {
			pointer: component.themeOrPlugin + '_editor_notice'
		});

		// Hide modal.
		component.warning.remove();
		$( '#wpwrap' ).removeAttr( 'aria-hidden' );
		$( 'body' ).removeClass( 'modal-open' );
	};

	/**
	 * Callback for when a change happens.
	 *
	 * @since 4.9.0
	 * @return {void}
	 */
	component.onChange = function() {
		component.dirty = true;
		component.removeNotice( 'file_saved' );
	};

	/**
	 * Submit file via Ajax.
	 *
	 * @since 4.9.0
	 * @param {jQuery.Event} event - Event.
	 * @return {void}
	 */
	component.submit = function( event ) {
		var data = {}, request;
		event.preventDefault(); // Prevent form submission in favor of Ajax below.
		$.each( component.form.serializeArray(), function() {
			data[ this.name ] = this.value;
		} );

		// Use value from codemirror if present.
		if ( component.instance ) {
			data.newcontent = component.instance.codemirror.getValue();
		}

		if ( component.isSaving ) {
			return;
		}

		if ( component.instance && component.instance.updateErrorNotice ) {
			component.instance.updateErrorNotice();
		}

		// Scroll to the line that has the error.
		if ( component.lintErrors.length ) {
			component.instance.codemirror.setCursor( component.lintErrors[0].from.line );
			return;
		}

		component.isSaving = true;
		component.textarea.prop( 'readonly', true );
		if ( component.instance ) {
			component.instance.codemirror.setOption( 'readOnly', true );
		}

		component.spinner.addClass( 'is-active' );
		request = wp.ajax.post( 'edit-theme-plugin-file', data );

		// Remove previous save notice before saving.
		if ( component.lastSaveNoticeCode ) {
			component.removeNotice( component.lastSaveNoticeCode );
		}

		request.done( function( response ) {
			component.lastSaveNoticeCode = 'file_saved';
			component.addNotice({
				code: component.lastSaveNoticeCode,
				type: 'success',
				message: response.message,
				dismissible: true
			});
			component.dirty = false;
		} );

		request.fail( function( response ) {
			var notice = $.extend(
				{
					code: 'save_error',
					message: __( 'An error occurred while saving your changes. Please try again. If the problem persists, you may need to manually update the file via FTP.' )
				},
				response,
				{
					type: 'error',
					dismissible: true
				}
			);
			component.lastSaveNoticeCode = notice.code;
			component.addNotice( notice );
		} );

		request.always( function() {
			component.spinner.removeClass( 'is-active' );
			component.isSaving = false;

			component.textarea.prop( 'readonly', false );
			if ( component.instance ) {
				component.instance.codemirror.setOption( 'readOnly', false );
			}
		} );
	};

	/**
	 * Add notice.
	 *
	 * @since 4.9.0
	 *
	 * @param {Object}   notice - Notice.
	 * @param {string}   notice.code - Code.
	 * @param {string}   notice.type - Type.
	 * @param {string}   notice.message - Message.
	 * @param {boolean}  [notice.dismissible=false] - Dismissible.
	 * @param {Function} [notice.onDismiss] - Callback for when a user dismisses the notice.
	 * @return {jQuery} Notice element.
	 */
	component.addNotice = function( notice ) {
		var noticeElement;

		if ( ! notice.code ) {
			throw new Error( 'Missing code.' );
		}

		// Only let one notice of a given type be displayed at a time.
		component.removeNotice( notice.code );

		noticeElement = $( component.noticeTemplate( notice ) );
		noticeElement.hide();

		noticeElement.find( '.notice-dismiss' ).on( 'click', function() {
			component.removeNotice( notice.code );
			if ( notice.onDismiss ) {
				notice.onDismiss( notice );
			}
		} );

		wp.a11y.speak( notice.message );

		component.noticesContainer.append( noticeElement );
		noticeElement.slideDown( 'fast' );
		component.noticeElements[ notice.code ] = noticeElement;
		return noticeElement;
	};

	/**
	 * Remove notice.
	 *
	 * @since 4.9.0
	 *
	 * @param {string} code - Notice code.
	 * @return {boolean} Whether a notice was removed.
	 */
	component.removeNotice = function( code ) {
		if ( component.noticeElements[ code ] ) {
			component.noticeElements[ code ].slideUp( 'fast', function() {
				$( this ).remove();
			} );
			delete component.noticeElements[ code ];
			return true;
		}
		return false;
	};

	/**
	 * Initialize code editor.
	 *
	 * @since 4.9.0
	 * @return {void}
	 */
	component.initCodeEditor = function initCodeEditor() {
		var codeEditorSettings, editor;

		codeEditorSettings = $.extend( {}, component.codeEditor );

		/**
		 * Handle tabbing to the field before the editor.
		 *
		 * @since 4.9.0
		 *
		 * @return {void}
		 */
		codeEditorSettings.onTabPrevious = function() {
			$( '#templateside' ).find( ':tabbable' ).last().trigger( 'focus' );
		};

		/**
		 * Handle tabbing to the field after the editor.
		 *
		 * @since 4.9.0
		 *
		 * @return {void}
		 */
		codeEditorSettings.onTabNext = function() {
			$( '#template' ).find( ':tabbable:not(.CodeMirror-code)' ).first().trigger( 'focus' );
		};

		/**
		 * Handle change to the linting errors.
		 *
		 * @since 4.9.0
		 *
		 * @param {Array} errors - List of linting errors.
		 * @return {void}
		 */
		codeEditorSettings.onChangeLintingErrors = function( errors ) {
			component.lintErrors = errors;

			// Only disable the button in onUpdateErrorNotice when there are errors so users can still feel they can click the button.
			if ( 0 === errors.length ) {
				component.submitButton.toggleClass( 'disabled', false );
			}
		};

		/**
		 * Update error notice.
		 *
		 * @since 4.9.0
		 *
		 * @param {Array} errorAnnotations - Error annotations.
		 * @return {void}
		 */
		codeEditorSettings.onUpdateErrorNotice = function onUpdateErrorNotice( errorAnnotations ) {
			var noticeElement;

			component.submitButton.toggleClass( 'disabled', errorAnnotations.length > 0 );

			if ( 0 !== errorAnnotations.length ) {
				noticeElement = component.addNotice({
					code: 'lint_errors',
					type: 'error',
					message: sprintf(
						/* translators: %s: Error count. */
						_n(
							'There is %s error which must be fixed before you can update this file.',
							'There are %s errors which must be fixed before you can update this file.',
							errorAnnotations.length
						),
						String( errorAnnotations.length )
					),
					dismissible: false
				});
				noticeElement.find( 'input[type=checkbox]' ).on( 'click', function() {
					codeEditorSettings.onChangeLintingErrors( [] );
					component.removeNotice( 'lint_errors' );
				} );
			} else {
				component.removeNotice( 'lint_errors' );
			}
		};

		editor = wp.codeEditor.initialize( $( '#newcontent' ), codeEditorSettings );
		editor.codemirror.on( 'change', component.onChange );

		function onSaveShortcut() {
			component.form.trigger( 'submit' );
		}

		editor.codemirror.setOption( 'extraKeys', {
			...( editor.codemirror.getOption( 'extraKeys' ) || {} ),
			'Ctrl-S': onSaveShortcut,
			'Cmd-S': onSaveShortcut,
		} );

		// Improve the editor accessibility.
		$( editor.codemirror.display.lineDiv )
			.attr({
				role: 'textbox',
				'aria-multiline': 'true',
				'aria-labelledby': 'theme-plugin-editor-label',
				'aria-describedby': 'editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4'
			});

		// Focus the editor when clicking on its label.
		$( '#theme-plugin-editor-label' ).on( 'click', function() {
			editor.codemirror.focus();
		});

		component.instance = editor;
	};

	/**
	 * Initialization of the file browser's folder states.
	 *
	 * @since 4.9.0
	 * @return {void}
	 */
	component.initFileBrowser = function initFileBrowser() {

		var $templateside = $( '#templateside' );

		// Collapse all folders.
		$templateside.find( '[role="group"]' ).parent().attr( 'aria-expanded', false );

		// Expand ancestors to the current file.
		$templateside.find( '.notice' ).parents( '[aria-expanded]' ).attr( 'aria-expanded', true );

		// Find Tree elements and enhance them.
		$templateside.find( '[role="tree"]' ).each( function() {
			var treeLinks = new TreeLinks( this );
			treeLinks.init();
		} );

		// Scroll the current file into view.
		$templateside.find( '.current-file:first' ).each( function() {
			if ( this.scrollIntoViewIfNeeded ) {
				this.scrollIntoViewIfNeeded();
			} else {
				this.scrollIntoView( false );
			}
		} );
	};

	/* jshint ignore:start */
	/* jscs:disable */
	/* eslint-disable */

	/**
	 * Creates a new TreeitemLink.
	 *
	 * @since 4.9.0
	 * @class
	 * @private
	 * @see {@link https://www.w3.org/TR/wai-aria-practices-1.1/examples/treeview/treeview-2/treeview-2b.html|W3C Treeview Example}
	 * @license W3C-20150513
	 */
	var TreeitemLink = (function () {
		/**
		 *   This content is licensed according to the W3C Software License at
		 *   https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
		 *
		 *   File:   TreeitemLink.js
		 *
		 *   Desc:   Treeitem widget that implements ARIA Authoring Practices
		 *           for a tree being used as a file viewer
		 *
		 *   Author: Jon Gunderson, Ku Ja Eun and Nicholas Hoyt
		 */

		/**
		 *   @constructor
		 *
		 *   @desc
		 *       Treeitem object for representing the state and user interactions for a
		 *       treeItem widget
		 *
		 *   @param node
		 *       An element with the role=tree attribute
		 */

		var TreeitemLink = function (node, treeObj, group) {

			// Check whether node is a DOM element.
			if (typeof node !== 'object') {
				return;
			}

			node.tabIndex = -1;
			this.tree = treeObj;
			this.groupTreeitem = group;
			this.domNode = node;
			this.label = node.textContent.trim();
			this.stopDefaultClick = false;

			if (node.getAttribute('aria-label')) {
				this.label = node.getAttribute('aria-label').trim();
			}

			this.isExpandable = false;
			this.isVisible = false;
			this.inGroup = false;

			if (group) {
				this.inGroup = true;
			}

			var elem = node.firstElementChild;

			while (elem) {

				if (elem.tagName.toLowerCase() == 'ul') {
					elem.setAttribute('role', 'group');
					this.isExpandable = true;
					break;
				}

				elem = elem.nextElementSibling;
			}

			this.keyCode = Object.freeze({
				RETURN: 13,
				SPACE: 32,
				PAGEUP: 33,
				PAGEDOWN: 34,
				END: 35,
				HOME: 36,
				LEFT: 37,
				UP: 38,
				RIGHT: 39,
				DOWN: 40
			});
		};

		TreeitemLink.prototype.init = function () {
			this.domNode.tabIndex = -1;

			if (!this.domNode.getAttribute('role')) {
				this.domNode.setAttribute('role', 'treeitem');
			}

			this.domNode.addEventListener('keydown', this.handleKeydown.bind(this));
			this.domNode.addEventListener('click', this.handleClick.bind(this));
			this.domNode.addEventListener('focus', this.handleFocus.bind(this));
			this.domNode.addEventListener('blur', this.handleBlur.bind(this));

			if (this.isExpandable) {
				this.domNode.firstElementChild.addEventListener('mouseover', this.handleMouseOver.bind(this));
				this.domNode.firstElementChild.addEventListener('mouseout', this.handleMouseOut.bind(this));
			}
			else {
				this.domNode.addEventListener('mouseover', this.handleMouseOver.bind(this));
				this.domNode.addEventListener('mouseout', this.handleMouseOut.bind(this));
			}
		};

		TreeitemLink.prototype.isExpanded = function () {

			if (this.isExpandable) {
				return this.domNode.getAttribute('aria-expanded') === 'true';
			}

			return false;

		};

		/* EVENT HANDLERS */

		TreeitemLink.prototype.handleKeydown = function (event) {
			var tgt = event.currentTarget,
				flag = false,
				_char = event.key,
				clickEvent;

			function isPrintableCharacter(str) {
				return str.length === 1 && str.match(/\S/);
			}

			function printableCharacter(item) {
				if (_char == '*') {
					item.tree.expandAllSiblingItems(item);
					flag = true;
				}
				else {
					if (isPrintableCharacter(_char)) {
						item.tree.setFocusByFirstCharacter(item, _char);
						flag = true;
					}
				}
			}

			this.stopDefaultClick = false;

			if (event.altKey || event.ctrlKey || event.metaKey) {
				return;
			}

			if (event.shift) {
				if (event.keyCode == this.keyCode.SPACE || event.keyCode == this.keyCode.RETURN) {
					event.stopPropagation();
					this.stopDefaultClick = true;
				}
				else {
					if (isPrintableCharacter(_char)) {
						printableCharacter(this);
					}
				}
			}
			else {
				switch (event.keyCode) {
					case this.keyCode.SPACE:
					case this.keyCode.RETURN:
						if (this.isExpandable) {
							if (this.isExpanded()) {
								this.tree.collapseTreeitem(this);
							}
							else {
								this.tree.expandTreeitem(this);
							}
							flag = true;
						}
						else {
							event.stopPropagation();
							this.stopDefaultClick = true;
						}
						break;

					case this.keyCode.UP:
						this.tree.setFocusToPreviousItem(this);
						flag = true;
						break;

					case this.keyCode.DOWN:
						this.tree.setFocusToNextItem(this);
						flag = true;
						break;

					case this.keyCode.RIGHT:
						if (this.isExpandable) {
							if (this.isExpanded()) {
								this.tree.setFocusToNextItem(this);
							}
							else {
								this.tree.expandTreeitem(this);
							}
						}
						flag = true;
						break;

					case this.keyCode.LEFT:
						if (this.isExpandable && this.isExpanded()) {
							this.tree.collapseTreeitem(this);
							flag = true;
						}
						else {
							if (this.inGroup) {
								this.tree.setFocusToParentItem(this);
								flag = true;
							}
						}
						break;

					case this.keyCode.HOME:
						this.tree.setFocusToFirstItem();
						flag = true;
						break;

					case this.keyCode.END:
						this.tree.setFocusToLastItem();
						flag = true;
						break;

					default:
						if (isPrintableCharacter(_char)) {
							printableCharacter(this);
						}
						break;
				}
			}

			if (flag) {
				event.stopPropagation();
				event.preventDefault();
			}
		};

		TreeitemLink.prototype.handleClick = function (event) {

			// Only process click events that directly happened on this treeitem.
			if (event.target !== this.domNode && event.target !== this.domNode.firstElementChild) {
				return;
			}

			if (this.isExpandable) {
				if (this.isExpanded()) {
					this.tree.collapseTreeitem(this);
				}
				else {
					this.tree.expandTreeitem(this);
				}
				event.stopPropagation();
			}
		};

		TreeitemLink.prototype.handleFocus = function (event) {
			var node = this.domNode;
			if (this.isExpandable) {
				node = node.firstElementChild;
			}
			node.classList.add('focus');
		};

		TreeitemLink.prototype.handleBlur = function (event) {
			var node = this.domNode;
			if (this.isExpandable) {
				node = node.firstElementChild;
			}
			node.classList.remove('focus');
		};

		TreeitemLink.prototype.handleMouseOver = function (event) {
			event.currentTarget.classList.add('hover');
		};

		TreeitemLink.prototype.handleMouseOut = function (event) {
			event.currentTarget.classList.remove('hover');
		};

		return TreeitemLink;
	})();

	/**
	 * Creates a new TreeLinks.
	 *
	 * @since 4.9.0
	 * @class
	 * @private
	 * @see {@link https://www.w3.org/TR/wai-aria-practices-1.1/examples/treeview/treeview-2/treeview-2b.html|W3C Treeview Example}
	 * @license W3C-20150513
	 */
	TreeLinks = (function () {
		/*
		 *   This content is licensed according to the W3C Software License at
		 *   https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
		 *
		 *   File:   TreeLinks.js
		 *
		 *   Desc:   Tree widget that implements ARIA Authoring Practices
		 *           for a tree being used as a file viewer
		 *
		 *   Author: Jon Gunderson, Ku Ja Eun and Nicholas Hoyt
		 */

		/*
		 *   @constructor
		 *
		 *   @desc
		 *       Tree item object for representing the state and user interactions for a
		 *       tree widget
		 *
		 *   @param node
		 *       An element with the role=tree attribute
		 */

		var TreeLinks = function (node) {
			// Check whether node is a DOM element.
			if (typeof node !== 'object') {
				return;
			}

			this.domNode = node;

			this.treeitems = [];
			this.firstChars = [];

			this.firstTreeitem = null;
			this.lastTreeitem = null;

		};

		TreeLinks.prototype.init = function () {

			function findTreeitems(node, tree, group) {

				var elem = node.firstElementChild;
				var ti = group;

				while (elem) {

					if ((elem.tagName.toLowerCase() === 'li' && elem.firstElementChild.tagName.toLowerCase() === 'span') || elem.tagName.toLowerCase() === 'a') {
						ti = new TreeitemLink(elem, tree, group);
						ti.init();
						tree.treeitems.push(ti);
						tree.firstChars.push(ti.label.substring(0, 1).toLowerCase());
					}

					if (elem.firstElementChild) {
						findTreeitems(elem, tree, ti);
					}

					elem = elem.nextElementSibling;
				}
			}

			// Initialize pop up menus.
			if (!this.domNode.getAttribute('role')) {
				this.domNode.setAttribute('role', 'tree');
			}

			findTreeitems(this.domNode, this, false);

			this.updateVisibleTreeitems();

			this.firstTreeitem.domNode.tabIndex = 0;

		};

		TreeLinks.prototype.setFocusToItem = function (treeitem) {

			for (var i = 0; i < this.treeitems.length; i++) {
				var ti = this.treeitems[i];

				if (ti === treeitem) {
					ti.domNode.tabIndex = 0;
					ti.domNode.focus();
				}
				else {
					ti.domNode.tabIndex = -1;
				}
			}

		};

		TreeLinks.prototype.setFocusToNextItem = function (currentItem) {

			var nextItem = false;

			for (var i = (this.treeitems.length - 1); i >= 0; i--) {
				var ti = this.treeitems[i];
				if (ti === currentItem) {
					break;
				}
				if (ti.isVisible) {
					nextItem = ti;
				}
			}

			if (nextItem) {
				this.setFocusToItem(nextItem);
			}

		};

		TreeLinks.prototype.setFocusToPreviousItem = function (currentItem) {

			var prevItem = false;

			for (var i = 0; i < this.treeitems.length; i++) {
				var ti = this.treeitems[i];
				if (ti === currentItem) {
					break;
				}
				if (ti.isVisible) {
					prevItem = ti;
				}
			}

			if (prevItem) {
				this.setFocusToItem(prevItem);
			}
		};

		TreeLinks.prototype.setFocusToParentItem = function (currentItem) {

			if (currentItem.groupTreeitem) {
				this.setFocusToItem(currentItem.groupTreeitem);
			}
		};

		TreeLinks.prototype.setFocusToFirstItem = function () {
			this.setFocusToItem(this.firstTreeitem);
		};

		TreeLinks.prototype.setFocusToLastItem = function () {
			this.setFocusToItem(this.lastTreeitem);
		};

		TreeLinks.prototype.expandTreeitem = function (currentItem) {

			if (currentItem.isExpandable) {
				currentItem.domNode.setAttribute('aria-expanded', true);
				this.updateVisibleTreeitems();
			}

		};

		TreeLinks.prototype.expandAllSiblingItems = function (currentItem) {
			for (var i = 0; i < this.treeitems.length; i++) {
				var ti = this.treeitems[i];

				if ((ti.groupTreeitem === currentItem.groupTreeitem) && ti.isExpandable) {
					this.expandTreeitem(ti);
				}
			}

		};

		TreeLinks.prototype.collapseTreeitem = function (currentItem) {

			var groupTreeitem = false;

			if (currentItem.isExpanded()) {
				groupTreeitem = currentItem;
			}
			else {
				groupTreeitem = currentItem.groupTreeitem;
			}

			if (groupTreeitem) {
				groupTreeitem.domNode.setAttribute('aria-expanded', false);
				this.updateVisibleTreeitems();
				this.setFocusToItem(groupTreeitem);
			}

		};

		TreeLinks.prototype.updateVisibleTreeitems = function () {

			this.firstTreeitem = this.treeitems[0];

			for (var i = 0; i < this.treeitems.length; i++) {
				var ti = this.treeitems[i];

				var parent = ti.domNode.parentNode;

				ti.isVisible = true;

				while (parent && (parent !== this.domNode)) {

					if (parent.getAttribute('aria-expanded') == 'false') {
						ti.isVisible = false;
					}
					parent = parent.parentNode;
				}

				if (ti.isVisible) {
					this.lastTreeitem = ti;
				}
			}

		};

		TreeLinks.prototype.setFocusByFirstCharacter = function (currentItem, _char) {
			var start, index;
			_char = _char.toLowerCase();

			// Get start index for search based on position of currentItem.
			start = this.treeitems.indexOf(currentItem) + 1;
			if (start === this.treeitems.length) {
				start = 0;
			}

			// Check remaining slots in the menu.
			index = this.getIndexFirstChars(start, _char);

			// If not found in remaining slots, check from beginning.
			if (index === -1) {
				index = this.getIndexFirstChars(0, _char);
			}

			// If match was found...
			if (index > -1) {
				this.setFocusToItem(this.treeitems[index]);
			}
		};

		TreeLinks.prototype.getIndexFirstChars = function (startIndex, _char) {
			for (var i = startIndex; i < this.firstChars.length; i++) {
				if (this.treeitems[i].isVisible) {
					if (_char === this.firstChars[i]) {
						return i;
					}
				}
			}
			return -1;
		};

		return TreeLinks;
	})();

	/* jshint ignore:end */
	/* jscs:enable */
	/* eslint-enable */

	return component;
})( jQuery );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 4.9.0
 * @deprecated 5.5.0
 *
 * @type {object}
 */
wp.themePluginEditor.l10n = wp.themePluginEditor.l10n || {
	saveAlert: '',
	saveError: '',
	lintError: {
		alternative: 'wp.i18n',
		func: function() {
			return {
				singular: '',
				plural: ''
			};
		}
	}
};

wp.themePluginEditor.l10n = window.wp.deprecateL10nObject( 'wp.themePluginEditor.l10n', wp.themePluginEditor.l10n, '5.5.0' );
PK       ! DY��  �    code-editor.min.jsnu �[���        /*! This file is auto-generated */
void 0===window.wp&&(window.wp={}),void 0===window.wp.codeEditor&&(window.wp.codeEditor={}),function(u,c){"use strict";function d(r){let s=[],a=[];function c(t){r.onUpdateErrorNotice&&!_.isEqual(s,a)&&(r.onUpdateErrorNotice(s,t),a=s)}function d(){let t=r.codemirror?.lint??!1;if(!t)return!1;!0===t?t={}:_.isObject(t)&&(t=u.extend({},t));var i,e=t;return"javascript"===r.codemirror?.mode&&r.jshint&&u.extend(e,r.jshint),"css"===r.codemirror?.mode&&r.csslint&&u.extend(e,r.csslint),"htmlmixed"===r.codemirror?.mode&&r.htmlhint&&(e.rules=u.extend({},r.htmlhint),r.jshint&&e.rules&&(e.rules.jshint=r.jshint),r.csslint)&&e.rules&&(e.rules.csslint=r.csslint),e.onUpdateLinting=(i=e.onUpdateLinting,function(t,e,n){var o=t.filter(function(t){return"error"===t.severity});i&&i(t,e,n),!_.isEqual(o,s)&&(s=o,r.onChangeLintingErrors&&r.onChangeLintingErrors(o,t,e,n),!n.state.focused||0===s.length||0<a.length)&&c(n)}),e}return{getLintOptions:d,init:function(i){i.on("optionChange",function(t,e){var n,o="CodeMirror-lint-markers";"lint"===e&&(e=i.getOption("gutters")||[],!0===(n=i.getOption("lint"))?(_.contains(e,o)||i.setOption("gutters",[o].concat(e)),i.setOption("lint",d())):n||i.setOption("gutters",_.without(e,o)),i.getOption("lint")&&i.performLint?i.performLint():(s=[],c(i)))}),i.on("blur",c),i.on("startCompletion",function(){i.off("blur",c)}),i.on("endCompletion",function(){i.on("blur",c),_.delay(function(){i.state.focused||c(i)},500)}),u(document.body).on("mousedown",function(t){!i.state.focused||i.getWrapperElement().contains(t.target)||t.target.classList.contains("CodeMirror-hint")||c(i)})},updateErrorNotice:c}}c.codeEditor.defaultSettings={codemirror:{},csslint:{},htmlhint:{},jshint:{},onTabNext:function(){},onTabPrevious:function(){},onChangeLintingErrors:function(){},onUpdateErrorNotice:function(){}},c.codeEditor.initialize=function(t,e){"loading"===document.readyState&&console.warn("wp.codeEditor.initialize() ran too early. Invoke this function in a `DOMContentLoaded` event listener.");let n;n=u("string"==typeof t?"#"+t:t);t=u.extend(!0,{},c.codeEditor.defaultSettings,e);const o=d(t),s=(t.codemirror&&(t.codemirror.lint=o.getLintOptions()),c.CodeMirror.fromTextArea(n[0],t.codemirror));o.init(s);e={settings:t,codemirror:s,updateErrorNotice:function(){o.updateErrorNotice(s)}};s.showHint&&s.on("inputRead",function(t,e){if(e.origin&&("+input"===e.origin||e.origin.startsWith("*compose"))&&1===e.text.length&&1===e.text[0].length){var e=e.text[0],n=/^[a-zA-Z]$/.test(e);if(!s.state.completionActive||!n){var o=s.getTokenAt(s.getCursor());if("string"!==o.type&&"comment"!==o.type){var i=c.CodeMirror.innerMode(s.getMode(),o.state).mode.name,r=s.getDoc(),r=r.getLine(r.getCursor().line).slice(0,r.getCursor().ch);let t=!1;"html"===i||"xml"===i?t="<"===e||"/"===e&&"tag"===o.type||n&&"tag"===o.type||n&&"attribute"===o.type||"="===e&&!(!o.state.htmlState?.tagName&&!o.state.curState?.htmlState?.tagName):"css"===i?t=n||":"===e||" "===e&&/:\s+$/.test(r):"javascript"===i?t=n||"."===e:"clike"===i&&"php"===s.options.mode&&(t=n&&("keyword"===o.type||"variable"===o.type)),t&&s.showHint({completeSingle:!1})}}}});{var i=s,r=t;const a=u(i.getTextArea());i.on("blur",function(){a.data("next-tab-blurs",!1)}),i.on("keydown",function(t,e){"Escape"===e.key?a.data("next-tab-blurs",!0):"Tab"===e.key&&a.data("next-tab-blurs")&&(e.shiftKey&&r.onTabPrevious?r.onTabPrevious(i,e):!e.shiftKey&&r.onTabNext&&r.onTabNext(i,e),a.data("next-tab-blurs",!1),e.preventDefault())})}return e}}(jQuery,window.wp);PK       ! Q��� ��   customize-controls.jsnu �[���        /**
 * @output wp-admin/js/customize-controls.js
 */

/* global _wpCustomizeHeader, _wpCustomizeBackground, _wpMediaViewsL10n, MediaElementPlayer, console, confirm */
(function( exports, $ ){
	var Container, focus, normalizedTransitionendEventName, api = wp.customize;

	var reducedMotionMediaQuery = window.matchMedia( '(prefers-reduced-motion: reduce)' );
	var isReducedMotion = reducedMotionMediaQuery.matches;
	reducedMotionMediaQuery.addEventListener( 'change' , function handleReducedMotionChange( event ) {
		isReducedMotion = event.matches;
	});

	api.OverlayNotification = api.Notification.extend(/** @lends wp.customize.OverlayNotification.prototype */{

		/**
		 * Whether the notification should show a loading spinner.
		 *
		 * @since 4.9.0
		 * @var {boolean}
		 */
		loading: false,

		/**
		 * A notification that is displayed in a full-screen overlay.
		 *
		 * @constructs wp.customize.OverlayNotification
		 * @augments   wp.customize.Notification
		 *
		 * @since 4.9.0
		 *
		 * @param {string} code - Code.
		 * @param {Object} params - Params.
		 */
		initialize: function( code, params ) {
			var notification = this;
			api.Notification.prototype.initialize.call( notification, code, params );
			notification.containerClasses += ' notification-overlay';
			if ( notification.loading ) {
				notification.containerClasses += ' notification-loading';
			}
		},

		/**
		 * Render notification.
		 *
		 * @since 4.9.0
		 *
		 * @return {jQuery} Notification container.
		 */
		render: function() {
			var li = api.Notification.prototype.render.call( this );
			li.on( 'keydown', _.bind( this.handleEscape, this ) );
			return li;
		},

		/**
		 * Stop propagation on escape key presses, but also dismiss notification if it is dismissible.
		 *
		 * @since 4.9.0
		 *
		 * @param {jQuery.Event} event - Event.
		 * @return {void}
		 */
		handleEscape: function( event ) {
			var notification = this;
			if ( 27 === event.which ) {
				event.stopPropagation();
				if ( notification.dismissible && notification.parent ) {
					notification.parent.remove( notification.code );
				}
			}
		}
	});

	api.Notifications = api.Values.extend(/** @lends wp.customize.Notifications.prototype */{

		/**
		 * Whether the alternative style should be used.
		 *
		 * @since 4.9.0
		 * @type {boolean}
		 */
		alt: false,

		/**
		 * The default constructor for items of the collection.
		 *
		 * @since 4.9.0
		 * @type {object}
		 */
		defaultConstructor: api.Notification,

		/**
		 * A collection of observable notifications.
		 *
		 * @since 4.9.0
		 *
		 * @constructs wp.customize.Notifications
		 * @augments   wp.customize.Values
		 *
		 * @param {Object}  options - Options.
		 * @param {jQuery}  [options.container] - Container element for notifications. This can be injected later.
		 * @param {boolean} [options.alt] - Whether alternative style should be used when rendering notifications.
		 *
		 * @return {void}
		 */
		initialize: function( options ) {
			var collection = this;

			api.Values.prototype.initialize.call( collection, options );

			_.bindAll( collection, 'constrainFocus' );

			// Keep track of the order in which the notifications were added for sorting purposes.
			collection._addedIncrement = 0;
			collection._addedOrder = {};

			// Trigger change event when notification is added or removed.
			collection.bind( 'add', function( notification ) {
				collection.trigger( 'change', notification );
			});
			collection.bind( 'removed', function( notification ) {
				collection.trigger( 'change', notification );
			});
		},

		/**
		 * Get the number of notifications added.
		 *
		 * @since 4.9.0
		 * @return {number} Count of notifications.
		 */
		count: function() {
			return _.size( this._value );
		},

		/**
		 * Add notification to the collection.
		 *
		 * @since 4.9.0
		 *
		 * @param {string|wp.customize.Notification} notification - Notification object to add. Alternatively code may be supplied, and in that case the second notificationObject argument must be supplied.
		 * @param {wp.customize.Notification} [notificationObject] - Notification to add when first argument is the code string.
		 * @return {wp.customize.Notification} Added notification (or existing instance if it was already added).
		 */
		add: function( notification, notificationObject ) {
			var collection = this, code, instance;
			if ( 'string' === typeof notification ) {
				code = notification;
				instance = notificationObject;
			} else {
				code = notification.code;
				instance = notification;
			}
			if ( ! collection.has( code ) ) {
				collection._addedIncrement += 1;
				collection._addedOrder[ code ] = collection._addedIncrement;
			}
			return api.Values.prototype.add.call( collection, code, instance );
		},

		/**
		 * Add notification to the collection.
		 *
		 * @since 4.9.0
		 * @param {string} code - Notification code to remove.
		 * @return {api.Notification} Added instance (or existing instance if it was already added).
		 */
		remove: function( code ) {
			var collection = this;
			delete collection._addedOrder[ code ];
			return api.Values.prototype.remove.call( this, code );
		},

		/**
		 * Get list of notifications.
		 *
		 * Notifications may be sorted by type followed by added time.
		 *
		 * @since 4.9.0
		 * @param {Object}  args - Args.
		 * @param {boolean} [args.sort=false] - Whether to return the notifications sorted.
		 * @return {Array.<wp.customize.Notification>} Notifications.
		 */
		get: function( args ) {
			var collection = this, notifications, errorTypePriorities, params;
			notifications = _.values( collection._value );

			params = _.extend(
				{ sort: false },
				args
			);

			if ( params.sort ) {
				errorTypePriorities = { error: 4, warning: 3, success: 2, info: 1 };
				notifications.sort( function( a, b ) {
					var aPriority = 0, bPriority = 0;
					if ( ! _.isUndefined( errorTypePriorities[ a.type ] ) ) {
						aPriority = errorTypePriorities[ a.type ];
					}
					if ( ! _.isUndefined( errorTypePriorities[ b.type ] ) ) {
						bPriority = errorTypePriorities[ b.type ];
					}
					if ( aPriority !== bPriority ) {
						return bPriority - aPriority; // Show errors first.
					}
					return collection._addedOrder[ b.code ] - collection._addedOrder[ a.code ]; // Show newer notifications higher.
				});
			}

			return notifications;
		},

		/**
		 * Render notifications area.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		render: function() {
			var collection = this,
				notifications, hadOverlayNotification = false, hasOverlayNotification, overlayNotifications = [],
				previousNotificationsByCode = {},
				listElement, focusableElements;

			// Short-circuit if there are no container to render into.
			if ( ! collection.container || ! collection.container.length ) {
				return;
			}

			notifications = collection.get( { sort: true } );
			collection.container.toggle( 0 !== notifications.length );

			// Short-circuit if there are no changes to the notifications.
			if ( collection.container.is( collection.previousContainer ) && _.isEqual( notifications, collection.previousNotifications ) ) {
				return;
			}

			// Make sure list is part of the container.
			listElement = collection.container.children( 'ul' ).first();
			if ( ! listElement.length ) {
				listElement = $( '<ul></ul>' );
				collection.container.append( listElement );
			}

			// Remove all notifications prior to re-rendering.
			listElement.find( '> [data-code]' ).remove();

			_.each( collection.previousNotifications, function( notification ) {
				previousNotificationsByCode[ notification.code ] = notification;
			});

			// Add all notifications in the sorted order.
			_.each( notifications, function( notification ) {
				var notificationContainer;
				if ( wp.a11y && ( ! previousNotificationsByCode[ notification.code ] || ! _.isEqual( notification.message, previousNotificationsByCode[ notification.code ].message ) ) ) {
					wp.a11y.speak( notification.message, 'assertive' );
				}
				notificationContainer = $( notification.render() );
				notification.container = notificationContainer;
				listElement.append( notificationContainer ); // @todo Consider slideDown() as enhancement.

				if ( notification.extended( api.OverlayNotification ) ) {
					overlayNotifications.push( notification );
				}
			});
			hasOverlayNotification = Boolean( overlayNotifications.length );

			if ( collection.previousNotifications ) {
				hadOverlayNotification = Boolean( _.find( collection.previousNotifications, function( notification ) {
					return notification.extended( api.OverlayNotification );
				} ) );
			}

			if ( hasOverlayNotification !== hadOverlayNotification ) {
				$( document.body ).toggleClass( 'customize-loading', hasOverlayNotification );
				collection.container.toggleClass( 'has-overlay-notifications', hasOverlayNotification );
				if ( hasOverlayNotification ) {
					collection.previousActiveElement = document.activeElement;
					$( document ).on( 'keydown', collection.constrainFocus );
				} else {
					$( document ).off( 'keydown', collection.constrainFocus );
				}
			}

			if ( hasOverlayNotification ) {
				collection.focusContainer = overlayNotifications[ overlayNotifications.length - 1 ].container;
				collection.focusContainer.prop( 'tabIndex', -1 );
				focusableElements = collection.focusContainer.find( ':focusable' );
				if ( focusableElements.length ) {
					focusableElements.first().focus();
				} else {
					collection.focusContainer.focus();
				}
			} else if ( collection.previousActiveElement ) {
				$( collection.previousActiveElement ).trigger( 'focus' );
				collection.previousActiveElement = null;
			}

			collection.previousNotifications = notifications;
			collection.previousContainer = collection.container;
			collection.trigger( 'rendered' );
		},

		/**
		 * Constrain focus on focus container.
		 *
		 * @since 4.9.0
		 *
		 * @param {jQuery.Event} event - Event.
		 * @return {void}
		 */
		constrainFocus: function constrainFocus( event ) {
			var collection = this, focusableElements;

			// Prevent keys from escaping.
			event.stopPropagation();

			if ( 9 !== event.which ) { // Tab key.
				return;
			}

			focusableElements = collection.focusContainer.find( ':focusable' );
			if ( 0 === focusableElements.length ) {
				focusableElements = collection.focusContainer;
			}

			if ( ! $.contains( collection.focusContainer[0], event.target ) || ! $.contains( collection.focusContainer[0], document.activeElement ) ) {
				event.preventDefault();
				focusableElements.first().focus();
			} else if ( focusableElements.last().is( event.target ) && ! event.shiftKey ) {
				event.preventDefault();
				focusableElements.first().focus();
			} else if ( focusableElements.first().is( event.target ) && event.shiftKey ) {
				event.preventDefault();
				focusableElements.last().focus();
			}
		}
	});

	api.Setting = api.Value.extend(/** @lends wp.customize.Setting.prototype */{

		/**
		 * Default params.
		 *
		 * @since 4.9.0
		 * @var {object}
		 */
		defaults: {
			transport: 'refresh',
			dirty: false
		},

		/**
		 * A Customizer Setting.
		 *
		 * A setting is WordPress data (theme mod, option, menu, etc.) that the user can
		 * draft changes to in the Customizer.
		 *
		 * @see PHP class WP_Customize_Setting.
		 *
		 * @constructs wp.customize.Setting
		 * @augments   wp.customize.Value
		 *
		 * @since 3.4.0
		 *
		 * @param {string}  id                          - The setting ID.
		 * @param {*}       value                       - The initial value of the setting.
		 * @param {Object}  [options={}]                - Options.
		 * @param {string}  [options.transport=refresh] - The transport to use for previewing. Supports 'refresh' and 'postMessage'.
		 * @param {boolean} [options.dirty=false]       - Whether the setting should be considered initially dirty.
		 * @param {Object}  [options.previewer]         - The Previewer instance to sync with. Defaults to wp.customize.previewer.
		 */
		initialize: function( id, value, options ) {
			var setting = this, params;
			params = _.extend(
				{ previewer: api.previewer },
				setting.defaults,
				options || {}
			);

			api.Value.prototype.initialize.call( setting, value, params );

			setting.id = id;
			setting._dirty = params.dirty; // The _dirty property is what the Customizer reads from.
			setting.notifications = new api.Notifications();

			// Whenever the setting's value changes, refresh the preview.
			setting.bind( setting.preview );
		},

		/**
		 * Refresh the preview, respective of the setting's refresh policy.
		 *
		 * If the preview hasn't sent a keep-alive message and is likely
		 * disconnected by having navigated to a non-allowed URL, then the
		 * refresh transport will be forced when postMessage is the transport.
		 * Note that postMessage does not throw an error when the recipient window
		 * fails to match the origin window, so using try/catch around the
		 * previewer.send() call to then fallback to refresh will not work.
		 *
		 * @since 3.4.0
		 * @access public
		 *
		 * @return {void}
		 */
		preview: function() {
			var setting = this, transport;
			transport = setting.transport;

			if ( 'postMessage' === transport && ! api.state( 'previewerAlive' ).get() ) {
				transport = 'refresh';
			}

			if ( 'postMessage' === transport ) {
				setting.previewer.send( 'setting', [ setting.id, setting() ] );
			} else if ( 'refresh' === transport ) {
				setting.previewer.refresh();
			}
		},

		/**
		 * Find controls associated with this setting.
		 *
		 * @since 4.6.0
		 * @return {wp.customize.Control[]} Controls associated with setting.
		 */
		findControls: function() {
			var setting = this, controls = [];
			api.control.each( function( control ) {
				_.each( control.settings, function( controlSetting ) {
					if ( controlSetting.id === setting.id ) {
						controls.push( control );
					}
				} );
			} );
			return controls;
		}
	});

	/**
	 * Current change count.
	 *
	 * @alias wp.customize._latestRevision
	 *
	 * @since 4.7.0
	 * @type {number}
	 * @protected
	 */
	api._latestRevision = 0;

	/**
	 * Last revision that was saved.
	 *
	 * @alias wp.customize._lastSavedRevision
	 *
	 * @since 4.7.0
	 * @type {number}
	 * @protected
	 */
	api._lastSavedRevision = 0;

	/**
	 * Latest revisions associated with the updated setting.
	 *
	 * @alias wp.customize._latestSettingRevisions
	 *
	 * @since 4.7.0
	 * @type {object}
	 * @protected
	 */
	api._latestSettingRevisions = {};

	/*
	 * Keep track of the revision associated with each updated setting so that
	 * requestChangesetUpdate knows which dirty settings to include. Also, once
	 * ready is triggered and all initial settings have been added, increment
	 * revision for each newly-created initially-dirty setting so that it will
	 * also be included in changeset update requests.
	 */
	api.bind( 'change', function incrementChangedSettingRevision( setting ) {
		api._latestRevision += 1;
		api._latestSettingRevisions[ setting.id ] = api._latestRevision;
	} );
	api.bind( 'ready', function() {
		api.bind( 'add', function incrementCreatedSettingRevision( setting ) {
			if ( setting._dirty ) {
				api._latestRevision += 1;
				api._latestSettingRevisions[ setting.id ] = api._latestRevision;
			}
		} );
	} );

	/**
	 * Get the dirty setting values.
	 *
	 * @alias wp.customize.dirtyValues
	 *
	 * @since 4.7.0
	 * @access public
	 *
	 * @param {Object} [options] Options.
	 * @param {boolean} [options.unsaved=false] Whether only values not saved yet into a changeset will be returned (differential changes).
	 * @return {Object} Dirty setting values.
	 */
	api.dirtyValues = function dirtyValues( options ) {
		var values = {};
		api.each( function( setting ) {
			var settingRevision;

			if ( ! setting._dirty ) {
				return;
			}

			settingRevision = api._latestSettingRevisions[ setting.id ];

			// Skip including settings that have already been included in the changeset, if only requesting unsaved.
			if ( api.state( 'changesetStatus' ).get() && ( options && options.unsaved ) && ( _.isUndefined( settingRevision ) || settingRevision <= api._lastSavedRevision ) ) {
				return;
			}

			values[ setting.id ] = setting.get();
		} );
		return values;
	};

	/**
	 * Request updates to the changeset.
	 *
	 * @alias wp.customize.requestChangesetUpdate
	 *
	 * @since 4.7.0
	 * @access public
	 *
	 * @param {Object}  [changes] - Mapping of setting IDs to setting params each normally including a value property, or mapping to null.
	 *                             If not provided, then the changes will still be obtained from unsaved dirty settings.
	 * @param {Object}  [args] - Additional options for the save request.
	 * @param {boolean} [args.autosave=false] - Whether changes will be stored in autosave revision if the changeset has been promoted from an auto-draft.
	 * @param {boolean} [args.force=false] - Send request to update even when there are no changes to submit. This can be used to request the latest status of the changeset on the server.
	 * @param {string}  [args.title] - Title to update in the changeset. Optional.
	 * @param {string}  [args.date] - Date to update in the changeset. Optional.
	 * @return {jQuery.Promise} Promise resolving with the response data.
	 */
	api.requestChangesetUpdate = function requestChangesetUpdate( changes, args ) {
		var deferred, request, submittedChanges = {}, data, submittedArgs;
		deferred = new $.Deferred();

		// Prevent attempting changeset update while request is being made.
		if ( 0 !== api.state( 'processing' ).get() ) {
			deferred.reject( 'already_processing' );
			return deferred.promise();
		}

		submittedArgs = _.extend( {
			title: null,
			date: null,
			autosave: false,
			force: false
		}, args );

		if ( changes ) {
			_.extend( submittedChanges, changes );
		}

		// Ensure all revised settings (changes pending save) are also included, but not if marked for deletion in changes.
		_.each( api.dirtyValues( { unsaved: true } ), function( dirtyValue, settingId ) {
			if ( ! changes || null !== changes[ settingId ] ) {
				submittedChanges[ settingId ] = _.extend(
					{},
					submittedChanges[ settingId ] || {},
					{ value: dirtyValue }
				);
			}
		} );

		// Allow plugins to attach additional params to the settings.
		api.trigger( 'changeset-save', submittedChanges, submittedArgs );

		// Short-circuit when there are no pending changes.
		if ( ! submittedArgs.force && _.isEmpty( submittedChanges ) && null === submittedArgs.title && null === submittedArgs.date ) {
			deferred.resolve( {} );
			return deferred.promise();
		}

		// A status would cause a revision to be made, and for this wp.customize.previewer.save() should be used.
		// Status is also disallowed for revisions regardless.
		if ( submittedArgs.status ) {
			return deferred.reject( { code: 'illegal_status_in_changeset_update' } ).promise();
		}

		// Dates not beung allowed for revisions are is a technical limitation of post revisions.
		if ( submittedArgs.date && submittedArgs.autosave ) {
			return deferred.reject( { code: 'illegal_autosave_with_date_gmt' } ).promise();
		}

		// Make sure that publishing a changeset waits for all changeset update requests to complete.
		api.state( 'processing' ).set( api.state( 'processing' ).get() + 1 );
		deferred.always( function() {
			api.state( 'processing' ).set( api.state( 'processing' ).get() - 1 );
		} );

		// Ensure that if any plugins add data to save requests by extending query() that they get included here.
		data = api.previewer.query( { excludeCustomizedSaved: true } );
		delete data.customized; // Being sent in customize_changeset_data instead.
		_.extend( data, {
			nonce: api.settings.nonce.save,
			customize_theme: api.settings.theme.stylesheet,
			customize_changeset_data: JSON.stringify( submittedChanges )
		} );
		if ( null !== submittedArgs.title ) {
			data.customize_changeset_title = submittedArgs.title;
		}
		if ( null !== submittedArgs.date ) {
			data.customize_changeset_date = submittedArgs.date;
		}
		if ( false !== submittedArgs.autosave ) {
			data.customize_changeset_autosave = 'true';
		}

		// Allow plugins to modify the params included with the save request.
		api.trigger( 'save-request-params', data );

		request = wp.ajax.post( 'customize_save', data );

		request.done( function requestChangesetUpdateDone( data ) {
			var savedChangesetValues = {};

			// Ensure that all settings updated subsequently will be included in the next changeset update request.
			api._lastSavedRevision = Math.max( api._latestRevision, api._lastSavedRevision );

			api.state( 'changesetStatus' ).set( data.changeset_status );

			if ( data.changeset_date ) {
				api.state( 'changesetDate' ).set( data.changeset_date );
			}

			deferred.resolve( data );
			api.trigger( 'changeset-saved', data );

			if ( data.setting_validities ) {
				_.each( data.setting_validities, function( validity, settingId ) {
					if ( true === validity && _.isObject( submittedChanges[ settingId ] ) && ! _.isUndefined( submittedChanges[ settingId ].value ) ) {
						savedChangesetValues[ settingId ] = submittedChanges[ settingId ].value;
					}
				} );
			}

			api.previewer.send( 'changeset-saved', _.extend( {}, data, { saved_changeset_values: savedChangesetValues } ) );
		} );
		request.fail( function requestChangesetUpdateFail( data ) {
			deferred.reject( data );
			api.trigger( 'changeset-error', data );
		} );
		request.always( function( data ) {
			if ( data.setting_validities ) {
				api._handleSettingValidities( {
					settingValidities: data.setting_validities
				} );
			}
		} );

		return deferred.promise();
	};

	/**
	 * Watch all changes to Value properties, and bubble changes to parent Values instance
	 *
	 * @alias wp.customize.utils.bubbleChildValueChanges
	 *
	 * @since 4.1.0
	 *
	 * @param {wp.customize.Class} instance
	 * @param {Array}              properties  The names of the Value instances to watch.
	 */
	api.utils.bubbleChildValueChanges = function ( instance, properties ) {
		$.each( properties, function ( i, key ) {
			instance[ key ].bind( function ( to, from ) {
				if ( instance.parent && to !== from ) {
					instance.parent.trigger( 'change', instance );
				}
			} );
		} );
	};

	/**
	 * Expand a panel, section, or control and focus on the first focusable element.
	 *
	 * @alias wp.customize~focus
	 *
	 * @since 4.1.0
	 *
	 * @param {Object}   [params]
	 * @param {Function} [params.completeCallback]
	 */
	focus = function ( params ) {
		var construct, completeCallback, focus, focusElement, sections;
		construct = this;
		params = params || {};
		focus = function () {
			// If a child section is currently expanded, collapse it.
			if ( construct.extended( api.Panel ) ) {
				sections = construct.sections();
				if ( 1 < sections.length ) {
					sections.forEach( function ( section ) {
						if ( section.expanded() ) {
							section.collapse();
						}
					} );
				}
			}

			var focusContainer;
			if ( ( construct.extended( api.Panel ) || construct.extended( api.Section ) ) && construct.expanded && construct.expanded() ) {
				focusContainer = construct.contentContainer;
			} else {
				focusContainer = construct.container;
			}

			focusElement = focusContainer.find( '.control-focus:first' );
			if ( 0 === focusElement.length ) {
				// Note that we can't use :focusable due to a jQuery UI issue. See: https://github.com/jquery/jquery-ui/pull/1583
				focusElement = focusContainer.find( 'input, select, textarea, button, object, a[href], [tabindex]' ).filter( ':visible' ).first();
			}
			focusElement.focus();
		};
		if ( params.completeCallback ) {
			completeCallback = params.completeCallback;
			params.completeCallback = function () {
				focus();
				completeCallback();
			};
		} else {
			params.completeCallback = focus;
		}

		api.state( 'paneVisible' ).set( true );
		if ( construct.expand ) {
			construct.expand( params );
		} else {
			params.completeCallback();
		}
	};

	/**
	 * Stable sort for Panels, Sections, and Controls.
	 *
	 * If a.priority() === b.priority(), then sort by their respective params.instanceNumber.
	 *
	 * @alias wp.customize.utils.prioritySort
	 *
	 * @since 4.1.0
	 *
	 * @param {(wp.customize.Panel|wp.customize.Section|wp.customize.Control)} a
	 * @param {(wp.customize.Panel|wp.customize.Section|wp.customize.Control)} b
	 * @return {number}
	 */
	api.utils.prioritySort = function ( a, b ) {
		if ( a.priority() === b.priority() && typeof a.params.instanceNumber === 'number' && typeof b.params.instanceNumber === 'number' ) {
			return a.params.instanceNumber - b.params.instanceNumber;
		} else {
			return a.priority() - b.priority();
		}
	};

	/**
	 * Return whether the supplied Event object is for a keydown event but not the Enter key.
	 *
	 * @alias wp.customize.utils.isKeydownButNotEnterEvent
	 *
	 * @since 4.1.0
	 *
	 * @param {jQuery.Event} event
	 * @return {boolean}
	 */
	api.utils.isKeydownButNotEnterEvent = function ( event ) {
		return ( 'keydown' === event.type && 13 !== event.which );
	};

	/**
	 * Return whether the two lists of elements are the same and are in the same order.
	 *
	 * @alias wp.customize.utils.areElementListsEqual
	 *
	 * @since 4.1.0
	 *
	 * @param {Array|jQuery} listA
	 * @param {Array|jQuery} listB
	 * @return {boolean}
	 */
	api.utils.areElementListsEqual = function ( listA, listB ) {
		var equal = (
			listA.length === listB.length && // If lists are different lengths, then naturally they are not equal.
			-1 === _.indexOf( _.map(         // Are there any false values in the list returned by map?
				_.zip( listA, listB ),       // Pair up each element between the two lists.
				function ( pair ) {
					return $( pair[0] ).is( pair[1] ); // Compare to see if each pair is equal.
				}
			), false ) // Check for presence of false in map's return value.
		);
		return equal;
	};

	/**
	 * Highlight the existence of a button.
	 *
	 * This function reminds the user of a button represented by the specified
	 * UI element, after an optional delay. If the user focuses the element
	 * before the delay passes, the reminder is canceled.
	 *
	 * @alias wp.customize.utils.highlightButton
	 *
	 * @since 4.9.0
	 *
	 * @param {jQuery} button - The element to highlight.
	 * @param {Object} [options] - Options.
	 * @param {number} [options.delay=0] - Delay in milliseconds.
	 * @param {jQuery} [options.focusTarget] - A target for user focus that defaults to the highlighted element.
	 *                                         If the user focuses the target before the delay passes, the reminder
	 *                                         is canceled. This option exists to accommodate compound buttons
	 *                                         containing auxiliary UI, such as the Publish button augmented with a
	 *                                         Settings button.
	 * @return {Function} An idempotent function that cancels the reminder.
	 */
	api.utils.highlightButton = function highlightButton( button, options ) {
		var animationClass = 'button-see-me',
			canceled = false,
			params;

		params = _.extend(
			{
				delay: 0,
				focusTarget: button
			},
			options
		);

		function cancelReminder() {
			canceled = true;
		}

		params.focusTarget.on( 'focusin', cancelReminder );
		setTimeout( function() {
			params.focusTarget.off( 'focusin', cancelReminder );

			if ( ! canceled ) {
				button.addClass( animationClass );
				button.one( 'animationend', function() {
					/*
					 * Remove animation class to avoid situations in Customizer where
					 * DOM nodes are moved (re-inserted) and the animation repeats.
					 */
					button.removeClass( animationClass );
				} );
			}
		}, params.delay );

		return cancelReminder;
	};

	/**
	 * Get current timestamp adjusted for server clock time.
	 *
	 * Same functionality as the `current_time( 'mysql', false )` function in PHP.
	 *
	 * @alias wp.customize.utils.getCurrentTimestamp
	 *
	 * @since 4.9.0
	 *
	 * @return {number} Current timestamp.
	 */
	api.utils.getCurrentTimestamp = function getCurrentTimestamp() {
		var currentDate, currentClientTimestamp, timestampDifferential;
		currentClientTimestamp = _.now();
		currentDate = new Date( api.settings.initialServerDate.replace( /-/g, '/' ) );
		timestampDifferential = currentClientTimestamp - api.settings.initialClientTimestamp;
		timestampDifferential += api.settings.initialClientTimestamp - api.settings.initialServerTimestamp;
		currentDate.setTime( currentDate.getTime() + timestampDifferential );
		return currentDate.getTime();
	};

	/**
	 * Get remaining time of when the date is set.
	 *
	 * @alias wp.customize.utils.getRemainingTime
	 *
	 * @since 4.9.0
	 *
	 * @param {string|number|Date} datetime - Date time or timestamp of the future date.
	 * @return {number} remainingTime - Remaining time in milliseconds.
	 */
	api.utils.getRemainingTime = function getRemainingTime( datetime ) {
		var millisecondsDivider = 1000, remainingTime, timestamp;
		if ( datetime instanceof Date ) {
			timestamp = datetime.getTime();
		} else if ( 'string' === typeof datetime ) {
			timestamp = ( new Date( datetime.replace( /-/g, '/' ) ) ).getTime();
		} else {
			timestamp = datetime;
		}

		remainingTime = timestamp - api.utils.getCurrentTimestamp();
		remainingTime = Math.ceil( remainingTime / millisecondsDivider );
		return remainingTime;
	};

	/**
	 * Return browser supported `transitionend` event name.
	 *
	 * @since 4.7.0
	 *
	 * @ignore
	 *
	 * @return {string|null} Normalized `transitionend` event name or null if CSS transitions are not supported.
	 */
	normalizedTransitionendEventName = (function () {
		var el, transitions, prop;
		el = document.createElement( 'div' );
		transitions = {
			'transition'      : 'transitionend',
			'OTransition'     : 'oTransitionEnd',
			'MozTransition'   : 'transitionend',
			'WebkitTransition': 'webkitTransitionEnd'
		};
		prop = _.find( _.keys( transitions ), function( prop ) {
			return ! _.isUndefined( el.style[ prop ] );
		} );
		if ( prop ) {
			return transitions[ prop ];
		} else {
			return null;
		}
	})();

	Container = api.Class.extend(/** @lends wp.customize~Container.prototype */{
		defaultActiveArguments: { duration: 'fast', completeCallback: $.noop },
		defaultExpandedArguments: { duration: 'fast', completeCallback: $.noop },
		containerType: 'container',
		defaults: {
			title: '',
			description: '',
			priority: 100,
			type: 'default',
			content: null,
			active: true,
			instanceNumber: null
		},

		/**
		 * Base class for Panel and Section.
		 *
		 * @constructs wp.customize~Container
		 * @augments   wp.customize.Class
		 *
		 * @since 4.1.0
		 *
		 * @borrows wp.customize~focus as focus
		 *
		 * @param {string}  id - The ID for the container.
		 * @param {Object}  options - Object containing one property: params.
		 * @param {string}  options.title - Title shown when panel is collapsed and expanded.
		 * @param {string}  [options.description] - Description shown at the top of the panel.
		 * @param {number}  [options.priority=100] - The sort priority for the panel.
		 * @param {string}  [options.templateId] - Template selector for container.
		 * @param {string}  [options.type=default] - The type of the panel. See wp.customize.panelConstructor.
		 * @param {string}  [options.content] - The markup to be used for the panel container. If empty, a JS template is used.
		 * @param {boolean} [options.active=true] - Whether the panel is active or not.
		 * @param {Object}  [options.params] - Deprecated wrapper for the above properties.
		 */
		initialize: function ( id, options ) {
			var container = this;
			container.id = id;

			if ( ! Container.instanceCounter ) {
				Container.instanceCounter = 0;
			}
			Container.instanceCounter++;

			$.extend( container, {
				params: _.defaults(
					options.params || options, // Passing the params is deprecated.
					container.defaults
				)
			} );
			if ( ! container.params.instanceNumber ) {
				container.params.instanceNumber = Container.instanceCounter;
			}
			container.notifications = new api.Notifications();
			container.templateSelector = container.params.templateId || 'customize-' + container.containerType + '-' + container.params.type;
			container.container = $( container.params.content );
			if ( 0 === container.container.length ) {
				container.container = $( container.getContainer() );
			}
			container.headContainer = container.container;
			container.contentContainer = container.getContent();
			container.container = container.container.add( container.contentContainer );

			container.deferred = {
				embedded: new $.Deferred()
			};
			container.priority = new api.Value();
			container.active = new api.Value();
			container.activeArgumentsQueue = [];
			container.expanded = new api.Value();
			container.expandedArgumentsQueue = [];

			container.active.bind( function ( active ) {
				var args = container.activeArgumentsQueue.shift();
				args = $.extend( {}, container.defaultActiveArguments, args );
				active = ( active && container.isContextuallyActive() );
				container.onChangeActive( active, args );
			});
			container.expanded.bind( function ( expanded ) {
				var args = container.expandedArgumentsQueue.shift();
				args = $.extend( {}, container.defaultExpandedArguments, args );
				container.onChangeExpanded( expanded, args );
			});

			container.deferred.embedded.done( function () {
				container.setupNotifications();
				container.attachEvents();
			});

			api.utils.bubbleChildValueChanges( container, [ 'priority', 'active' ] );

			container.priority.set( container.params.priority );
			container.active.set( container.params.active );
			container.expanded.set( false );
		},

		/**
		 * Get the element that will contain the notifications.
		 *
		 * @since 4.9.0
		 * @return {jQuery} Notification container element.
		 */
		getNotificationsContainerElement: function() {
			var container = this;
			return container.contentContainer.find( '.customize-control-notifications-container:first' );
		},

		/**
		 * Set up notifications.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		setupNotifications: function() {
			var container = this, renderNotifications;
			container.notifications.container = container.getNotificationsContainerElement();

			// Render notifications when they change and when the construct is expanded.
			renderNotifications = function() {
				if ( container.expanded.get() ) {
					container.notifications.render();
				}
			};
			container.expanded.bind( renderNotifications );
			renderNotifications();
			container.notifications.bind( 'change', _.debounce( renderNotifications ) );
		},

		/**
		 * @since 4.1.0
		 *
		 * @abstract
		 */
		ready: function() {},

		/**
		 * Get the child models associated with this parent, sorting them by their priority Value.
		 *
		 * @since 4.1.0
		 *
		 * @param {string} parentType
		 * @param {string} childType
		 * @return {Array}
		 */
		_children: function ( parentType, childType ) {
			var parent = this,
				children = [];
			api[ childType ].each( function ( child ) {
				if ( child[ parentType ].get() === parent.id ) {
					children.push( child );
				}
			} );
			children.sort( api.utils.prioritySort );
			return children;
		},

		/**
		 * To override by subclass, to return whether the container has active children.
		 *
		 * @since 4.1.0
		 *
		 * @abstract
		 */
		isContextuallyActive: function () {
			throw new Error( 'Container.isContextuallyActive() must be overridden in a subclass.' );
		},

		/**
		 * Active state change handler.
		 *
		 * Shows the container if it is active, hides it if not.
		 *
		 * To override by subclass, update the container's UI to reflect the provided active state.
		 *
		 * @since 4.1.0
		 *
		 * @param {boolean}  active - The active state to transiution to.
		 * @param {Object}   [args] - Args.
		 * @param {Object}   [args.duration] - The duration for the slideUp/slideDown animation.
		 * @param {boolean}  [args.unchanged] - Whether the state is already known to not be changed, and so short-circuit with calling completeCallback early.
		 * @param {Function} [args.completeCallback] - Function to call when the slideUp/slideDown has completed.
		 */
		onChangeActive: function( active, args ) {
			var construct = this,
				headContainer = construct.headContainer,
				duration, expandedOtherPanel;

			if ( args.unchanged ) {
				if ( args.completeCallback ) {
					args.completeCallback();
				}
				return;
			}

			duration = ( 'resolved' === api.previewer.deferred.active.state() ? args.duration : 0 );

			if ( construct.extended( api.Panel ) ) {
				// If this is a panel is not currently expanded but another panel is expanded, do not animate.
				api.panel.each(function ( panel ) {
					if ( panel !== construct && panel.expanded() ) {
						expandedOtherPanel = panel;
						duration = 0;
					}
				});

				// Collapse any expanded sections inside of this panel first before deactivating.
				if ( ! active ) {
					_.each( construct.sections(), function( section ) {
						section.collapse( { duration: 0 } );
					} );
				}
			}

			if ( ! $.contains( document, headContainer.get( 0 ) ) ) {
				// If the element is not in the DOM, then jQuery.fn.slideUp() does nothing.
				// In this case, a hard toggle is required instead.
				headContainer.toggle( active );
				if ( args.completeCallback ) {
					args.completeCallback();
				}
			} else if ( active ) {
				headContainer.slideDown( duration, args.completeCallback );
			} else {
				if ( construct.expanded() ) {
					construct.collapse({
						duration: duration,
						completeCallback: function() {
							headContainer.slideUp( duration, args.completeCallback );
						}
					});
				} else {
					headContainer.slideUp( duration, args.completeCallback );
				}
			}
		},

		/**
		 * @since 4.1.0
		 *
		 * @param {boolean} active
		 * @param {Object}  [params]
		 * @return {boolean} False if state already applied.
		 */
		_toggleActive: function ( active, params ) {
			var self = this;
			params = params || {};
			if ( ( active && this.active.get() ) || ( ! active && ! this.active.get() ) ) {
				params.unchanged = true;
				self.onChangeActive( self.active.get(), params );
				return false;
			} else {
				params.unchanged = false;
				this.activeArgumentsQueue.push( params );
				this.active.set( active );
				return true;
			}
		},

		/**
		 * @param {Object} [params]
		 * @return {boolean} False if already active.
		 */
		activate: function ( params ) {
			return this._toggleActive( true, params );
		},

		/**
		 * @param {Object} [params]
		 * @return {boolean} False if already inactive.
		 */
		deactivate: function ( params ) {
			return this._toggleActive( false, params );
		},

		/**
		 * To override by subclass, update the container's UI to reflect the provided active state.
		 * @abstract
		 */
		onChangeExpanded: function () {
			throw new Error( 'Must override with subclass.' );
		},

		/**
		 * Handle the toggle logic for expand/collapse.
		 *
		 * @param {boolean}  expanded - The new state to apply.
		 * @param {Object}   [params] - Object containing options for expand/collapse.
		 * @param {Function} [params.completeCallback] - Function to call when expansion/collapse is complete.
		 * @return {boolean} False if state already applied or active state is false.
		 */
		_toggleExpanded: function( expanded, params ) {
			var instance = this, previousCompleteCallback;
			params = params || {};
			previousCompleteCallback = params.completeCallback;

			// Short-circuit expand() if the instance is not active.
			if ( expanded && ! instance.active() ) {
				return false;
			}

			api.state( 'paneVisible' ).set( true );
			params.completeCallback = function() {
				if ( previousCompleteCallback ) {
					previousCompleteCallback.apply( instance, arguments );
				}
				if ( expanded ) {
					instance.container.trigger( 'expanded' );
				} else {
					instance.container.trigger( 'collapsed' );
				}
			};
			if ( ( expanded && instance.expanded.get() ) || ( ! expanded && ! instance.expanded.get() ) ) {
				params.unchanged = true;
				instance.onChangeExpanded( instance.expanded.get(), params );
				return false;
			} else {
				params.unchanged = false;
				instance.expandedArgumentsQueue.push( params );
				instance.expanded.set( expanded );
				return true;
			}
		},

		/**
		 * @param {Object} [params]
		 * @return {boolean} False if already expanded or if inactive.
		 */
		expand: function ( params ) {
			return this._toggleExpanded( true, params );
		},

		/**
		 * @param {Object} [params]
		 * @return {boolean} False if already collapsed.
		 */
		collapse: function ( params ) {
			return this._toggleExpanded( false, params );
		},

		/**
		 * Animate container state change if transitions are supported by the browser.
		 *
		 * @since 4.7.0
		 * @private
		 *
		 * @param {function} completeCallback Function to be called after transition is completed.
		 * @return {void}
		 */
		_animateChangeExpanded: function( completeCallback ) {
			// Return if CSS transitions are not supported or if reduced motion is enabled.
			if ( ! normalizedTransitionendEventName || isReducedMotion ) {
				// Schedule the callback until the next tick to prevent focus loss.
				_.defer( function () {
					if ( completeCallback ) {
						completeCallback();
					}
				} );
				return;
			}

			var construct = this,
				content = construct.contentContainer,
				overlay = content.closest( '.wp-full-overlay' ),
				elements, transitionEndCallback, transitionParentPane;

			// Determine set of elements that are affected by the animation.
			elements = overlay.add( content );

			if ( ! construct.panel || '' === construct.panel() ) {
				transitionParentPane = true;
			} else if ( api.panel( construct.panel() ).contentContainer.hasClass( 'skip-transition' ) ) {
				transitionParentPane = true;
			} else {
				transitionParentPane = false;
			}
			if ( transitionParentPane ) {
				elements = elements.add( '#customize-info, .customize-pane-parent' );
			}

			// Handle `transitionEnd` event.
			transitionEndCallback = function( e ) {
				if ( 2 !== e.eventPhase || ! $( e.target ).is( content ) ) {
					return;
				}
				content.off( normalizedTransitionendEventName, transitionEndCallback );
				elements.removeClass( 'busy' );
				if ( completeCallback ) {
					completeCallback();
				}
			};
			content.on( normalizedTransitionendEventName, transitionEndCallback );
			elements.addClass( 'busy' );

			// Prevent screen flicker when pane has been scrolled before expanding.
			_.defer( function() {
				var container = content.closest( '.wp-full-overlay-sidebar-content' ),
					currentScrollTop = container.scrollTop(),
					previousScrollTop = content.data( 'previous-scrollTop' ) || 0,
					expanded = construct.expanded();

				if ( expanded && 0 < currentScrollTop ) {
					content.css( 'top', currentScrollTop + 'px' );
					content.data( 'previous-scrollTop', currentScrollTop );
				} else if ( ! expanded && 0 < currentScrollTop + previousScrollTop ) {
					content.css( 'top', previousScrollTop - currentScrollTop + 'px' );
					container.scrollTop( previousScrollTop );
				}
			} );
		},

		/*
		 * is documented using @borrows in the constructor.
		 */
		focus: focus,

		/**
		 * Return the container html, generated from its JS template, if it exists.
		 *
		 * @since 4.3.0
		 */
		getContainer: function () {
			var template,
				container = this;

			if ( 0 !== $( '#tmpl-' + container.templateSelector ).length ) {
				template = wp.template( container.templateSelector );
			} else {
				template = wp.template( 'customize-' + container.containerType + '-default' );
			}
			if ( template && container.container ) {
				return template( _.extend(
					{ id: container.id },
					container.params
				) ).toString().trim();
			}

			return '<li></li>';
		},

		/**
		 * Find content element which is displayed when the section is expanded.
		 *
		 * After a construct is initialized, the return value will be available via the `contentContainer` property.
		 * By default the element will be related it to the parent container with `aria-owns` and detached.
		 * Custom panels and sections (such as the `NewMenuSection`) that do not have a sliding pane should
		 * just return the content element without needing to add the `aria-owns` element or detach it from
		 * the container. Such non-sliding pane custom sections also need to override the `onChangeExpanded`
		 * method to handle animating the panel/section into and out of view.
		 *
		 * @since 4.7.0
		 * @access public
		 *
		 * @return {jQuery} Detached content element.
		 */
		getContent: function() {
			var construct = this,
				container = construct.container,
				content = container.find( '.accordion-section-content, .control-panel-content' ).first(),
				contentId = 'sub-' + container.attr( 'id' ),
				ownedElements = contentId,
				alreadyOwnedElements = container.attr( 'aria-owns' );

			if ( alreadyOwnedElements ) {
				ownedElements = ownedElements + ' ' + alreadyOwnedElements;
			}
			container.attr( 'aria-owns', ownedElements );

			return content.detach().attr( {
				'id': contentId,
				'class': 'customize-pane-child ' + content.attr( 'class' ) + ' ' + container.attr( 'class' )
			} );
		}
	});

	api.Section = Container.extend(/** @lends wp.customize.Section.prototype */{
		containerType: 'section',
		containerParent: '#customize-theme-controls',
		containerPaneParent: '.customize-pane-parent',
		defaults: {
			title: '',
			description: '',
			priority: 100,
			type: 'default',
			content: null,
			active: true,
			instanceNumber: null,
			panel: null,
			customizeAction: ''
		},

		/**
		 * @constructs wp.customize.Section
		 * @augments   wp.customize~Container
		 *
		 * @since 4.1.0
		 *
		 * @param {string}  id - The ID for the section.
		 * @param {Object}  options - Options.
		 * @param {string}  options.title - Title shown when section is collapsed and expanded.
		 * @param {string}  [options.description] - Description shown at the top of the section.
		 * @param {number}  [options.priority=100] - The sort priority for the section.
		 * @param {string}  [options.type=default] - The type of the section. See wp.customize.sectionConstructor.
		 * @param {string}  [options.content] - The markup to be used for the section container. If empty, a JS template is used.
		 * @param {boolean} [options.active=true] - Whether the section is active or not.
		 * @param {string}  options.panel - The ID for the panel this section is associated with.
		 * @param {string}  [options.customizeAction] - Additional context information shown before the section title when expanded.
		 * @param {Object}  [options.params] - Deprecated wrapper for the above properties.
		 */
		initialize: function ( id, options ) {
			var section = this, params;
			params = options.params || options;

			// Look up the type if one was not supplied.
			if ( ! params.type ) {
				_.find( api.sectionConstructor, function( Constructor, type ) {
					if ( Constructor === section.constructor ) {
						params.type = type;
						return true;
					}
					return false;
				} );
			}

			Container.prototype.initialize.call( section, id, params );

			section.id = id;
			section.panel = new api.Value();
			section.panel.bind( function ( id ) {
				$( section.headContainer ).toggleClass( 'control-subsection', !! id );
			});
			section.panel.set( section.params.panel || '' );
			api.utils.bubbleChildValueChanges( section, [ 'panel' ] );

			section.embed();
			section.deferred.embedded.done( function () {
				section.ready();
			});
		},

		/**
		 * Embed the container in the DOM when any parent panel is ready.
		 *
		 * @since 4.1.0
		 */
		embed: function () {
			var inject,
				section = this;

			section.containerParent = api.ensure( section.containerParent );

			// Watch for changes to the panel state.
			inject = function ( panelId ) {
				var parentContainer;
				if ( panelId ) {
					// The panel has been supplied, so wait until the panel object is registered.
					api.panel( panelId, function ( panel ) {
						// The panel has been registered, wait for it to become ready/initialized.
						panel.deferred.embedded.done( function () {
							parentContainer = panel.contentContainer;
							if ( ! section.headContainer.parent().is( parentContainer ) ) {
								parentContainer.append( section.headContainer );
							}
							if ( ! section.contentContainer.parent().is( section.headContainer ) ) {
								section.containerParent.append( section.contentContainer );
							}
							section.deferred.embedded.resolve();
						});
					} );
				} else {
					// There is no panel, so embed the section in the root of the customizer.
					parentContainer = api.ensure( section.containerPaneParent );
					if ( ! section.headContainer.parent().is( parentContainer ) ) {
						parentContainer.append( section.headContainer );
					}
					if ( ! section.contentContainer.parent().is( section.headContainer ) ) {
						section.containerParent.append( section.contentContainer );
					}
					section.deferred.embedded.resolve();
				}
			};
			section.panel.bind( inject );
			inject( section.panel.get() ); // Since a section may never get a panel, assume that it won't ever get one.
		},

		/**
		 * Add behaviors for the accordion section.
		 *
		 * @since 4.1.0
		 */
		attachEvents: function () {
			var meta, content, section = this;

			if ( section.container.hasClass( 'cannot-expand' ) ) {
				return;
			}

			// Expand/Collapse accordion sections on click.
			section.container.find( '.accordion-section-title button, .customize-section-back, .accordion-section-title[tabindex]' ).on( 'click keydown', function( event ) {
				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
					return;
				}
				event.preventDefault(); // Keep this AFTER the key filter above.

				if ( section.expanded() ) {
					section.collapse();
				} else {
					section.expand();
				}
			});

			// This is very similar to what is found for api.Panel.attachEvents().
			section.container.find( '.customize-section-title .customize-help-toggle' ).on( 'click', function() {

				meta = section.container.find( '.section-meta' );
				if ( meta.hasClass( 'cannot-expand' ) ) {
					return;
				}
				content = meta.find( '.customize-section-description:first' );
				content.toggleClass( 'open' );
				content.slideToggle( section.defaultExpandedArguments.duration, function() {
					content.trigger( 'toggled' );
				} );
				$( this ).attr( 'aria-expanded', function( i, attr ) {
					return 'true' === attr ? 'false' : 'true';
				});
			});
		},

		/**
		 * Return whether this section has any active controls.
		 *
		 * @since 4.1.0
		 *
		 * @return {boolean}
		 */
		isContextuallyActive: function () {
			var section = this,
				controls = section.controls(),
				activeCount = 0;
			_( controls ).each( function ( control ) {
				if ( control.active() ) {
					activeCount += 1;
				}
			} );
			return ( activeCount !== 0 );
		},

		/**
		 * Get the controls that are associated with this section, sorted by their priority Value.
		 *
		 * @since 4.1.0
		 *
		 * @return {Array}
		 */
		controls: function () {
			return this._children( 'section', 'control' );
		},

		/**
		 * Update UI to reflect expanded state.
		 *
		 * @since 4.1.0
		 *
		 * @param {boolean} expanded
		 * @param {Object}  args
		 */
		onChangeExpanded: function ( expanded, args ) {
			var section = this,
				container = section.headContainer.closest( '.wp-full-overlay-sidebar-content' ),
				content = section.contentContainer,
				overlay = section.headContainer.closest( '.wp-full-overlay' ),
				backBtn = content.find( '.customize-section-back' ),
				sectionTitle = section.headContainer.find( '.accordion-section-title button, .accordion-section-title[tabindex]' ).first(),
				expand, panel;

			if ( expanded && ! content.hasClass( 'open' ) ) {

				if ( args.unchanged ) {
					expand = args.completeCallback;
				} else {
					expand = function() {
						section._animateChangeExpanded( function() {
							backBtn.attr( 'tabindex', '0' );
							backBtn.trigger( 'focus' );
							content.css( 'top', '' );
							container.scrollTop( 0 );

							if ( args.completeCallback ) {
								args.completeCallback();
							}
						} );

						content.addClass( 'open' );
						overlay.addClass( 'section-open' );
						api.state( 'expandedSection' ).set( section );
					}.bind( this );
				}

				if ( ! args.allowMultiple ) {
					api.section.each( function ( otherSection ) {
						if ( otherSection !== section ) {
							otherSection.collapse( { duration: args.duration } );
						}
					});
				}

				if ( section.panel() ) {
					api.panel( section.panel() ).expand({
						duration: args.duration,
						completeCallback: expand
					});
				} else {
					if ( ! args.allowMultiple ) {
						api.panel.each( function( panel ) {
							panel.collapse();
						});
					}
					expand();
				}

			} else if ( ! expanded && content.hasClass( 'open' ) ) {
				if ( section.panel() ) {
					panel = api.panel( section.panel() );
					if ( panel.contentContainer.hasClass( 'skip-transition' ) ) {
						panel.collapse();
					}
				}
				section._animateChangeExpanded( function() {
					backBtn.attr( 'tabindex', '-1' );
					sectionTitle.trigger( 'focus' );
					content.css( 'top', '' );

					if ( args.completeCallback ) {
						args.completeCallback();
					}
				} );

				content.removeClass( 'open' );
				overlay.removeClass( 'section-open' );
				if ( section === api.state( 'expandedSection' ).get() ) {
					api.state( 'expandedSection' ).set( false );
				}

			} else {
				if ( args.completeCallback ) {
					args.completeCallback();
				}
			}
		}
	});

	api.ThemesSection = api.Section.extend(/** @lends wp.customize.ThemesSection.prototype */{
		currentTheme: '',
		overlay: '',
		template: '',
		screenshotQueue: null,
		$window: null,
		$body: null,
		loaded: 0,
		loading: false,
		fullyLoaded: false,
		term: '',
		tags: '',
		nextTerm: '',
		nextTags: '',
		filtersHeight: 0,
		headerContainer: null,
		updateCountDebounced: null,

		/**
		 * wp.customize.ThemesSection
		 *
		 * Custom section for themes that loads themes by category, and also
		 * handles the theme-details view rendering and navigation.
		 *
		 * @constructs wp.customize.ThemesSection
		 * @augments   wp.customize.Section
		 *
		 * @since 4.9.0
		 *
		 * @param {string} id - ID.
		 * @param {Object} options - Options.
		 * @return {void}
		 */
		initialize: function( id, options ) {
			var section = this;
			section.headerContainer = $();
			section.$window = $( window );
			section.$body = $( document.body );
			api.Section.prototype.initialize.call( section, id, options );
			section.updateCountDebounced = _.debounce( section.updateCount, 500 );
		},

		/**
		 * Embed the section in the DOM when the themes panel is ready.
		 *
		 * Insert the section before the themes container. Assume that a themes section is within a panel, but not necessarily the themes panel.
		 *
		 * @since 4.9.0
		 */
		embed: function() {
			var inject,
				section = this;

			// Watch for changes to the panel state.
			inject = function( panelId ) {
				var parentContainer;
				api.panel( panelId, function( panel ) {

					// The panel has been registered, wait for it to become ready/initialized.
					panel.deferred.embedded.done( function() {
						parentContainer = panel.contentContainer;
						if ( ! section.headContainer.parent().is( parentContainer ) ) {
							parentContainer.find( '.customize-themes-full-container-container' ).before( section.headContainer );
						}
						if ( ! section.contentContainer.parent().is( section.headContainer ) ) {
							section.containerParent.append( section.contentContainer );
						}
						section.deferred.embedded.resolve();
					});
				} );
			};
			section.panel.bind( inject );
			inject( section.panel.get() ); // Since a section may never get a panel, assume that it won't ever get one.
		},

		/**
		 * Set up.
		 *
		 * @since 4.2.0
		 *
		 * @return {void}
		 */
		ready: function() {
			var section = this;
			section.overlay = section.container.find( '.theme-overlay' );
			section.template = wp.template( 'customize-themes-details-view' );

			// Bind global keyboard events.
			section.container.on( 'keydown', function( event ) {
				if ( ! section.overlay.find( '.theme-wrap' ).is( ':visible' ) ) {
					return;
				}

				// Pressing the right arrow key fires a theme:next event.
				if ( 39 === event.keyCode ) {
					section.nextTheme();
				}

				// Pressing the left arrow key fires a theme:previous event.
				if ( 37 === event.keyCode ) {
					section.previousTheme();
				}

				// Pressing the escape key fires a theme:collapse event.
				if ( 27 === event.keyCode ) {
					if ( section.$body.hasClass( 'modal-open' ) ) {

						// Escape from the details modal.
						section.closeDetails();
					} else {

						// Escape from the infinite scroll list.
						section.headerContainer.find( '.customize-themes-section-title' ).focus();
					}
					event.stopPropagation(); // Prevent section from being collapsed.
				}
			});

			section.renderScreenshots = _.throttle( section.renderScreenshots, 100 );

			_.bindAll( section, 'renderScreenshots', 'loadMore', 'checkTerm', 'filtersChecked' );
		},

		/**
		 * Override Section.isContextuallyActive method.
		 *
		 * Ignore the active states' of the contained theme controls, and just
		 * use the section's own active state instead. This prevents empty search
		 * results for theme sections from causing the section to become inactive.
		 *
		 * @since 4.2.0
		 *
		 * @return {boolean}
		 */
		isContextuallyActive: function () {
			return this.active();
		},

		/**
		 * Attach events.
		 *
		 * @since 4.2.0
		 *
		 * @return {void}
		 */
		attachEvents: function () {
			var section = this, debounced;

			// Expand/Collapse accordion sections on click.
			section.container.find( '.customize-section-back' ).on( 'click keydown', function( event ) {
				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
					return;
				}
				event.preventDefault(); // Keep this AFTER the key filter above.
				section.collapse();
			});

			section.headerContainer = $( '#accordion-section-' + section.id );

			// Expand section/panel. Only collapse when opening another section.
			section.headerContainer.on( 'click', '.customize-themes-section-title', function() {

				// Toggle accordion filters under section headers.
				if ( section.headerContainer.find( '.filter-details' ).length ) {
					section.headerContainer.find( '.customize-themes-section-title' )
						.toggleClass( 'details-open' )
						.attr( 'aria-expanded', function( i, attr ) {
							return 'true' === attr ? 'false' : 'true';
						});
					section.headerContainer.find( '.filter-details' ).slideToggle( 180 );
				}

				// Open the section.
				if ( ! section.expanded() ) {
					section.expand();
				}
			});

			// Preview installed themes.
			section.container.on( 'click', '.theme-actions .preview-theme', function() {
				api.panel( 'themes' ).loadThemePreview( $( this ).data( 'slug' ) );
			});

			// Theme navigation in details view.
			section.container.on( 'click', '.left', function() {
				section.previousTheme();
			});

			section.container.on( 'click', '.right', function() {
				section.nextTheme();
			});

			section.container.on( 'click', '.theme-backdrop, .close', function() {
				section.closeDetails();
			});

			if ( 'local' === section.params.filter_type ) {

				// Filter-search all theme objects loaded in the section.
				section.container.on( 'input', '.wp-filter-search-themes', function( event ) {
					section.filterSearch( event.currentTarget.value );
				});

			} else if ( 'remote' === section.params.filter_type ) {

				// Event listeners for remote queries with user-entered terms.
				// Search terms.
				debounced = _.debounce( section.checkTerm, 500 ); // Wait until there is no input for 500 milliseconds to initiate a search.
				section.contentContainer.on( 'input', '.wp-filter-search', function() {
					if ( ! api.panel( 'themes' ).expanded() ) {
						return;
					}
					debounced( section );
					if ( ! section.expanded() ) {
						section.expand();
					}
				});

				// Feature filters.
				section.contentContainer.on( 'click', '.filter-group input', function() {
					section.filtersChecked();
					section.checkTerm( section );
				});
			}

			// Toggle feature filters.
			section.contentContainer.on( 'click', '.feature-filter-toggle', function( e ) {
				var $themeContainer = $( '.customize-themes-full-container' ),
					$filterToggle = $( e.currentTarget );
				section.filtersHeight = $filterToggle.parents( '.themes-filter-bar' ).next( '.filter-drawer' ).height();

				if ( 0 < $themeContainer.scrollTop() ) {
					$themeContainer.animate( { scrollTop: 0 }, 400 );

					if ( $filterToggle.hasClass( 'open' ) ) {
						return;
					}
				}

				$filterToggle
					.toggleClass( 'open' )
					.attr( 'aria-expanded', function( i, attr ) {
						return 'true' === attr ? 'false' : 'true';
					})
					.parents( '.themes-filter-bar' ).next( '.filter-drawer' ).slideToggle( 180, 'linear' );

				if ( $filterToggle.hasClass( 'open' ) ) {
					var marginOffset = 1018 < window.innerWidth ? 50 : 76;

					section.contentContainer.find( '.themes' ).css( 'margin-top', section.filtersHeight + marginOffset );
				} else {
					section.contentContainer.find( '.themes' ).css( 'margin-top', 0 );
				}
			});

			// Setup section cross-linking.
			section.contentContainer.on( 'click', '.no-themes-local .search-dotorg-themes', function() {
				api.section( 'wporg_themes' ).focus();
			});

			function updateSelectedState() {
				var el = section.headerContainer.find( '.customize-themes-section-title' );
				el.toggleClass( 'selected', section.expanded() );
				el.attr( 'aria-expanded', section.expanded() ? 'true' : 'false' );
				if ( ! section.expanded() ) {
					el.removeClass( 'details-open' );
				}
			}
			section.expanded.bind( updateSelectedState );
			updateSelectedState();

			// Move section controls to the themes area.
			api.bind( 'ready', function () {
				section.contentContainer = section.container.find( '.customize-themes-section' );
				section.contentContainer.appendTo( $( '.customize-themes-full-container' ) );
				section.container.add( section.headerContainer );
			});
		},

		/**
		 * Update UI to reflect expanded state
		 *
		 * @since 4.2.0
		 *
		 * @param {boolean}  expanded
		 * @param {Object}   args
		 * @param {boolean}  args.unchanged
		 * @param {Function} args.completeCallback
		 * @return {void}
		 */
		onChangeExpanded: function ( expanded, args ) {

			// Note: there is a second argument 'args' passed.
			var section = this,
				container = section.contentContainer.closest( '.customize-themes-full-container' );

			// Immediately call the complete callback if there were no changes.
			if ( args.unchanged ) {
				if ( args.completeCallback ) {
					args.completeCallback();
				}
				return;
			}

			function expand() {

				// Try to load controls if none are loaded yet.
				if ( 0 === section.loaded ) {
					section.loadThemes();
				}

				// Collapse any sibling sections/panels.
				api.section.each( function ( otherSection ) {
					var searchTerm;

					if ( otherSection !== section ) {

						// Try to sync the current search term to the new section.
						if ( 'themes' === otherSection.params.type ) {
							searchTerm = otherSection.contentContainer.find( '.wp-filter-search' ).val();
							section.contentContainer.find( '.wp-filter-search' ).val( searchTerm );

							// Directly initialize an empty remote search to avoid a race condition.
							if ( '' === searchTerm && '' !== section.term && 'local' !== section.params.filter_type ) {
								section.term = '';
								section.initializeNewQuery( section.term, section.tags );
							} else {
								if ( 'remote' === section.params.filter_type ) {
									section.checkTerm( section );
								} else if ( 'local' === section.params.filter_type ) {
									section.filterSearch( searchTerm );
								}
							}
							otherSection.collapse( { duration: args.duration } );
						}
					}
				});

				section.contentContainer.addClass( 'current-section' );
				container.scrollTop();

				container.on( 'scroll', _.throttle( section.renderScreenshots, 300 ) );
				container.on( 'scroll', _.throttle( section.loadMore, 300 ) );

				if ( args.completeCallback ) {
					args.completeCallback();
				}
				section.updateCount(); // Show this section's count.
			}

			if ( expanded ) {
				if ( section.panel() && api.panel.has( section.panel() ) ) {
					api.panel( section.panel() ).expand({
						duration: args.duration,
						completeCallback: expand
					});
				} else {
					expand();
				}
			} else {
				section.contentContainer.removeClass( 'current-section' );

				// Always hide, even if they don't exist or are already hidden.
				section.headerContainer.find( '.filter-details' ).slideUp( 180 );

				container.off( 'scroll' );

				if ( args.completeCallback ) {
					args.completeCallback();
				}
			}
		},

		/**
		 * Return the section's content element without detaching from the parent.
		 *
		 * @since 4.9.0
		 *
		 * @return {jQuery}
		 */
		getContent: function() {
			return this.container.find( '.control-section-content' );
		},

		/**
		 * Load theme data via Ajax and add themes to the section as controls.
		 *
		 * @since 4.9.0
		 *
		 * @return {void}
		 */
		loadThemes: function() {
			var section = this, params, page, request;

			if ( section.loading ) {
				return; // We're already loading a batch of themes.
			}

			// Parameters for every API query. Additional params are set in PHP.
			page = Math.ceil( section.loaded / 100 ) + 1;
			params = {
				'nonce': api.settings.nonce.switch_themes,
				'wp_customize': 'on',
				'theme_action': section.params.action,
				'customized_theme': api.settings.theme.stylesheet,
				'page': page
			};

			// Add fields for remote filtering.
			if ( 'remote' === section.params.filter_type ) {
				params.search = section.term;
				params.tags = section.tags;
			}

			// Load themes.
			section.headContainer.closest( '.wp-full-overlay' ).addClass( 'loading' );
			section.loading = true;
			section.container.find( '.no-themes' ).hide();
			request = wp.ajax.post( 'customize_load_themes', params );
			request.done(function( data ) {
				var themes = data.themes;

				// Stop and try again if the term changed while loading.
				if ( '' !== section.nextTerm || '' !== section.nextTags ) {
					if ( section.nextTerm ) {
						section.term = section.nextTerm;
					}
					if ( section.nextTags ) {
						section.tags = section.nextTags;
					}
					section.nextTerm = '';
					section.nextTags = '';
					section.loading = false;
					section.loadThemes();
					return;
				}

				if ( 0 !== themes.length ) {

					section.loadControls( themes, page );

					if ( 1 === page ) {

						// Pre-load the first 3 theme screenshots.
						_.each( section.controls().slice( 0, 3 ), function( control ) {
							var img, src = control.params.theme.screenshot[0];
							if ( src ) {
								img = new Image();
								img.src = src;
							}
						});
						if ( 'local' !== section.params.filter_type ) {
							wp.a11y.speak( api.settings.l10n.themeSearchResults.replace( '%d', data.info.results ) );
						}
					}

					_.delay( section.renderScreenshots, 100 ); // Wait for the controls to become visible.

					if ( 'local' === section.params.filter_type || 100 > themes.length ) {
						// If we have less than the requested 100 themes, it's the end of the list.
						section.fullyLoaded = true;
					}
				} else {
					if ( 0 === section.loaded ) {
						section.container.find( '.no-themes' ).show();
						wp.a11y.speak( section.container.find( '.no-themes' ).text() );
					} else {
						section.fullyLoaded = true;
					}
				}
				if ( 'local' === section.params.filter_type ) {
					section.updateCount(); // Count of visible theme controls.
				} else {
					section.updateCount( data.info.results ); // Total number of results including pages not yet loaded.
				}
				section.container.find( '.unexpected-error' ).hide(); // Hide error notice in case it was previously shown.

				// This cannot run on request.always, as section.loading may turn false before the new controls load in the success case.
				section.headContainer.closest( '.wp-full-overlay' ).removeClass( 'loading' );
				section.loading = false;
			});
			request.fail(function( data ) {
				if ( 'undefined' === typeof data ) {
					section.container.find( '.unexpected-error' ).show();
					wp.a11y.speak( section.container.find( '.unexpected-error' ).text() );
				} else if ( 'undefined' !== typeof console && console.error ) {
					console.error( data );
				}

				// This cannot run on request.always, as section.loading may turn false before the new controls load in the success case.
				section.headContainer.closest( '.wp-full-overlay' ).removeClass( 'loading' );
				section.loading = false;
			});
		},

		/**
		 * Loads controls into the section from data received from loadThemes().
		 *
		 * @since 4.9.0
		 * @param {Array}  themes - Array of theme data to create controls with.
		 * @param {number} page   - Page of results being loaded.
		 * @return {void}
		 */
		loadControls: function( themes, page ) {
			var newThemeControls = [],
				section = this;

			// Add controls for each theme.
			_.each( themes, function( theme ) {
				var themeControl = new api.controlConstructor.theme( section.params.action + '_theme_' + theme.id, {
					type: 'theme',
					section: section.params.id,
					theme: theme,
					priority: section.loaded + 1
				} );

				api.control.add( themeControl );
				newThemeControls.push( themeControl );
				section.loaded = section.loaded + 1;
			});

			if ( 1 !== page ) {
				Array.prototype.push.apply( section.screenshotQueue, newThemeControls ); // Add new themes to the screenshot queue.
			}
		},

		/**
		 * Determines whether more themes should be loaded, and loads them.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		loadMore: function() {
			var section = this, container, bottom, threshold;
			if ( ! section.fullyLoaded && ! section.loading ) {
				container = section.container.closest( '.customize-themes-full-container' );

				bottom = container.scrollTop() + container.height();
				// Use a fixed distance to the bottom of loaded results to avoid unnecessarily
				// loading results sooner when using a percentage of scroll distance.
				threshold = container.prop( 'scrollHeight' ) - 3000;

				if ( bottom > threshold ) {
					section.loadThemes();
				}
			}
		},

		/**
		 * Event handler for search input that filters visible controls.
		 *
		 * @since 4.9.0
		 *
		 * @param {string} term - The raw search input value.
		 * @return {void}
		 */
		filterSearch: function( term ) {
			var count = 0,
				visible = false,
				section = this,
				noFilter = ( api.section.has( 'wporg_themes' ) && 'remote' !== section.params.filter_type ) ? '.no-themes-local' : '.no-themes',
				controls = section.controls(),
				terms;

			if ( section.loading ) {
				return;
			}

			// Standardize search term format and split into an array of individual words.
			terms = term.toLowerCase().trim().replace( /-/g, ' ' ).split( ' ' );

			_.each( controls, function( control ) {
				visible = control.filter( terms ); // Shows/hides and sorts control based on the applicability of the search term.
				if ( visible ) {
					count = count + 1;
				}
			});

			if ( 0 === count ) {
				section.container.find( noFilter ).show();
				wp.a11y.speak( section.container.find( noFilter ).text() );
			} else {
				section.container.find( noFilter ).hide();
			}

			section.renderScreenshots();
			api.reflowPaneContents();

			// Update theme count.
			section.updateCountDebounced( count );
		},

		/**
		 * Event handler for search input that determines if the terms have changed and loads new controls as needed.
		 *
		 * @since 4.9.0
		 *
		 * @param {wp.customize.ThemesSection} section - The current theme section, passed through the debouncer.
		 * @return {void}
		 */
		checkTerm: function( section ) {
			var newTerm;
			if ( 'remote' === section.params.filter_type ) {
				newTerm = section.contentContainer.find( '.wp-filter-search' ).val();
				if ( section.term !== newTerm.trim() ) {
					section.initializeNewQuery( newTerm, section.tags );
				}
			}
		},

		/**
		 * Check for filters checked in the feature filter list and initialize a new query.
		 *
		 * @since 4.9.0
		 *
		 * @return {void}
		 */
		filtersChecked: function() {
			var section = this,
			    items = section.container.find( '.filter-group' ).find( ':checkbox' ),
			    tags = [];

			_.each( items.filter( ':checked' ), function( item ) {
				tags.push( $( item ).prop( 'value' ) );
			});

			// When no filters are checked, restore initial state. Update filter count.
			if ( 0 === tags.length ) {
				tags = '';
				section.contentContainer.find( '.feature-filter-toggle .filter-count-0' ).show();
				section.contentContainer.find( '.feature-filter-toggle .filter-count-filters' ).hide();
			} else {
				section.contentContainer.find( '.feature-filter-toggle .theme-filter-count' ).text( tags.length );
				section.contentContainer.find( '.feature-filter-toggle .filter-count-0' ).hide();
				section.contentContainer.find( '.feature-filter-toggle .filter-count-filters' ).show();
			}

			// Check whether tags have changed, and either load or queue them.
			if ( ! _.isEqual( section.tags, tags ) ) {
				if ( section.loading ) {
					section.nextTags = tags;
				} else {
					if ( 'remote' === section.params.filter_type ) {
						section.initializeNewQuery( section.term, tags );
					} else if ( 'local' === section.params.filter_type ) {
						section.filterSearch( tags.join( ' ' ) );
					}
				}
			}
		},

		/**
		 * Reset the current query and load new results.
		 *
		 * @since 4.9.0
		 *
		 * @param {string} newTerm - New term.
		 * @param {Array} newTags - New tags.
		 * @return {void}
		 */
		initializeNewQuery: function( newTerm, newTags ) {
			var section = this;

			// Clear the controls in the section.
			_.each( section.controls(), function( control ) {
				control.container.remove();
				api.control.remove( control.id );
			});
			section.loaded = 0;
			section.fullyLoaded = false;
			section.screenshotQueue = null;

			// Run a new query, with loadThemes handling paging, etc.
			if ( ! section.loading ) {
				section.term = newTerm;
				section.tags = newTags;
				section.loadThemes();
			} else {
				section.nextTerm = newTerm; // This will reload from loadThemes() with the newest term once the current batch is loaded.
				section.nextTags = newTags; // This will reload from loadThemes() with the newest tags once the current batch is loaded.
			}
			if ( ! section.expanded() ) {
				section.expand(); // Expand the section if it isn't expanded.
			}
		},

		/**
		 * Render control's screenshot if the control comes into view.
		 *
		 * @since 4.2.0
		 *
		 * @return {void}
		 */
		renderScreenshots: function() {
			var section = this;

			// Fill queue initially, or check for more if empty.
			if ( null === section.screenshotQueue || 0 === section.screenshotQueue.length ) {

				// Add controls that haven't had their screenshots rendered.
				section.screenshotQueue = _.filter( section.controls(), function( control ) {
					return ! control.screenshotRendered;
				});
			}

			// Are all screenshots rendered (for now)?
			if ( ! section.screenshotQueue.length ) {
				return;
			}

			section.screenshotQueue = _.filter( section.screenshotQueue, function( control ) {
				var $imageWrapper = control.container.find( '.theme-screenshot' ),
					$image = $imageWrapper.find( 'img' );

				if ( ! $image.length ) {
					return false;
				}

				if ( $image.is( ':hidden' ) ) {
					return true;
				}

				// Based on unveil.js.
				var wt = section.$window.scrollTop(),
					wb = wt + section.$window.height(),
					et = $image.offset().top,
					ih = $imageWrapper.height(),
					eb = et + ih,
					threshold = ih * 3,
					inView = eb >= wt - threshold && et <= wb + threshold;

				if ( inView ) {
					control.container.trigger( 'render-screenshot' );
				}

				// If the image is in view return false so it's cleared from the queue.
				return ! inView;
			} );
		},

		/**
		 * Get visible count.
		 *
		 * @since 4.9.0
		 *
		 * @return {number} Visible count.
		 */
		getVisibleCount: function() {
			return this.contentContainer.find( 'li.customize-control:visible' ).length;
		},

		/**
		 * Update the number of themes in the section.
		 *
		 * @since 4.9.0
		 *
		 * @return {void}
		 */
		updateCount: function( count ) {
			var section = this, countEl, displayed;

			if ( ! count && 0 !== count ) {
				count = section.getVisibleCount();
			}

			displayed = section.contentContainer.find( '.themes-displayed' );
			countEl = section.contentContainer.find( '.theme-count' );

			if ( 0 === count ) {
				countEl.text( '0' );
			} else {

				// Animate the count change for emphasis.
				displayed.fadeOut( 180, function() {
					countEl.text( count );
					displayed.fadeIn( 180 );
				} );
				wp.a11y.speak( api.settings.l10n.announceThemeCount.replace( '%d', count ) );
			}
		},

		/**
		 * Advance the modal to the next theme.
		 *
		 * @since 4.2.0
		 *
		 * @return {void}
		 */
		nextTheme: function () {
			var section = this;
			if ( section.getNextTheme() ) {
				section.showDetails( section.getNextTheme(), function() {
					section.overlay.find( '.right' ).focus();
				} );
			}
		},

		/**
		 * Get the next theme model.
		 *
		 * @since 4.2.0
		 *
		 * @return {wp.customize.ThemeControl|boolean} Next theme.
		 */
		getNextTheme: function () {
			var section = this, control, nextControl, sectionControls, i;
			control = api.control( section.params.action + '_theme_' + section.currentTheme );
			sectionControls = section.controls();
			i = _.indexOf( sectionControls, control );
			if ( -1 === i ) {
				return false;
			}

			nextControl = sectionControls[ i + 1 ];
			if ( ! nextControl ) {
				return false;
			}
			return nextControl.params.theme;
		},

		/**
		 * Advance the modal to the previous theme.
		 *
		 * @since 4.2.0
		 * @return {void}
		 */
		previousTheme: function () {
			var section = this;
			if ( section.getPreviousTheme() ) {
				section.showDetails( section.getPreviousTheme(), function() {
					section.overlay.find( '.left' ).focus();
				} );
			}
		},

		/**
		 * Get the previous theme model.
		 *
		 * @since 4.2.0
		 * @return {wp.customize.ThemeControl|boolean} Previous theme.
		 */
		getPreviousTheme: function () {
			var section = this, control, nextControl, sectionControls, i;
			control = api.control( section.params.action + '_theme_' + section.currentTheme );
			sectionControls = section.controls();
			i = _.indexOf( sectionControls, control );
			if ( -1 === i ) {
				return false;
			}

			nextControl = sectionControls[ i - 1 ];
			if ( ! nextControl ) {
				return false;
			}
			return nextControl.params.theme;
		},

		/**
		 * Disable buttons when we're viewing the first or last theme.
		 *
		 * @since 4.2.0
		 *
		 * @return {void}
		 */
		updateLimits: function () {
			if ( ! this.getNextTheme() ) {
				this.overlay.find( '.right' ).addClass( 'disabled' );
			}
			if ( ! this.getPreviousTheme() ) {
				this.overlay.find( '.left' ).addClass( 'disabled' );
			}
		},

		/**
		 * Load theme preview.
		 *
		 * @since 4.7.0
		 * @access public
		 *
		 * @deprecated
		 * @param {string} themeId Theme ID.
		 * @return {jQuery.promise} Promise.
		 */
		loadThemePreview: function( themeId ) {
			return api.ThemesPanel.prototype.loadThemePreview.call( this, themeId );
		},

		/**
		 * Render & show the theme details for a given theme model.
		 *
		 * @since 4.2.0
		 *
		 * @param {Object} theme - Theme.
		 * @param {Function} [callback] - Callback once the details have been shown.
		 * @return {void}
		 */
		showDetails: function ( theme, callback ) {
			var section = this, panel = api.panel( 'themes' );
			section.currentTheme = theme.id;
			section.overlay.html( section.template( theme ) )
				.fadeIn( 'fast' )
				.focus();

			function disableSwitchButtons() {
				return ! panel.canSwitchTheme( theme.id );
			}

			// Temporary special function since supplying SFTP credentials does not work yet. See #42184.
			function disableInstallButtons() {
				return disableSwitchButtons() || false === api.settings.theme._canInstall || true === api.settings.theme._filesystemCredentialsNeeded;
			}

			section.overlay.find( 'button.preview, button.preview-theme' ).toggleClass( 'disabled', disableSwitchButtons() );
			section.overlay.find( 'button.theme-install' ).toggleClass( 'disabled', disableInstallButtons() );

			section.$body.addClass( 'modal-open' );
			section.containFocus( section.overlay );
			section.updateLimits();
			wp.a11y.speak( api.settings.l10n.announceThemeDetails.replace( '%s', theme.name ) );
			if ( callback ) {
				callback();
			}
		},

		/**
		 * Close the theme details modal.
		 *
		 * @since 4.2.0
		 *
		 * @return {void}
		 */
		closeDetails: function () {
			var section = this;
			section.$body.removeClass( 'modal-open' );
			section.overlay.fadeOut( 'fast' );
			api.control( section.params.action + '_theme_' + section.currentTheme ).container.find( '.theme' ).focus();
		},

		/**
		 * Keep tab focus within the theme details modal.
		 *
		 * @since 4.2.0
		 *
		 * @param {jQuery} el - Element to contain focus.
		 * @return {void}
		 */
		containFocus: function( el ) {
			var tabbables;

			el.on( 'keydown', function( event ) {

				// Return if it's not the tab key
				// When navigating with prev/next focus is already handled.
				if ( 9 !== event.keyCode ) {
					return;
				}

				// Uses jQuery UI to get the tabbable elements.
				tabbables = $( ':tabbable', el );

				// Keep focus within the overlay.
				if ( tabbables.last()[0] === event.target && ! event.shiftKey ) {
					tabbables.first().focus();
					return false;
				} else if ( tabbables.first()[0] === event.target && event.shiftKey ) {
					tabbables.last().focus();
					return false;
				}
			});
		}
	});

	api.OuterSection = api.Section.extend(/** @lends wp.customize.OuterSection.prototype */{

		/**
		 * Class wp.customize.OuterSection.
		 *
		 * Creates section outside of the sidebar, there is no ui to trigger collapse/expand so
		 * it would require custom handling.
		 *
		 * @constructs wp.customize.OuterSection
		 * @augments   wp.customize.Section
		 *
		 * @since 4.9.0
		 *
		 * @return {void}
		 */
		initialize: function() {
			var section = this;
			section.containerParent = '#customize-outer-theme-controls';
			section.containerPaneParent = '.customize-outer-pane-parent';
			api.Section.prototype.initialize.apply( section, arguments );
		},

		/**
		 * Overrides api.Section.prototype.onChangeExpanded to prevent collapse/expand effect
		 * on other sections and panels.
		 *
		 * @since 4.9.0
		 *
		 * @param {boolean}  expanded - The expanded state to transition to.
		 * @param {Object}   [args] - Args.
		 * @param {boolean}  [args.unchanged] - Whether the state is already known to not be changed, and so short-circuit with calling completeCallback early.
		 * @param {Function} [args.completeCallback] - Function to call when the slideUp/slideDown has completed.
		 * @param {Object}   [args.duration] - The duration for the animation.
		 */
		onChangeExpanded: function( expanded, args ) {
			var section = this,
				container = section.headContainer.closest( '.wp-full-overlay-sidebar-content' ),
				content = section.contentContainer,
				backBtn = content.find( '.customize-section-back' ),
				sectionTitle = section.headContainer.find( '.accordion-section-title button, .accordion-section-title[tabindex]' ).first(),
				body = $( document.body ),
				expand, panel;

			body.toggleClass( 'outer-section-open', expanded );
			section.container.toggleClass( 'open', expanded );
			section.container.removeClass( 'busy' );
			api.section.each( function( _section ) {
				if ( 'outer' === _section.params.type && _section.id !== section.id ) {
					_section.container.removeClass( 'open' );
				}
			} );

			if ( expanded && ! content.hasClass( 'open' ) ) {

				if ( args.unchanged ) {
					expand = args.completeCallback;
				} else {
					expand = function() {
						section._animateChangeExpanded( function() {
							backBtn.attr( 'tabindex', '0' );
							backBtn.trigger( 'focus' );
							content.css( 'top', '' );
							container.scrollTop( 0 );

							if ( args.completeCallback ) {
								args.completeCallback();
							}
						} );

						content.addClass( 'open' );
					}.bind( this );
				}

				if ( section.panel() ) {
					api.panel( section.panel() ).expand({
						duration: args.duration,
						completeCallback: expand
					});
				} else {
					expand();
				}

			} else if ( ! expanded && content.hasClass( 'open' ) ) {
				if ( section.panel() ) {
					panel = api.panel( section.panel() );
					if ( panel.contentContainer.hasClass( 'skip-transition' ) ) {
						panel.collapse();
					}
				}
				section._animateChangeExpanded( function() {
					backBtn.attr( 'tabindex', '-1' );
					sectionTitle.trigger( 'focus' );
					content.css( 'top', '' );

					if ( args.completeCallback ) {
						args.completeCallback();
					}
				} );

				content.removeClass( 'open' );

			} else {
				if ( args.completeCallback ) {
					args.completeCallback();
				}
			}
		}
	});

	api.Panel = Container.extend(/** @lends wp.customize.Panel.prototype */{
		containerType: 'panel',

		/**
		 * @constructs wp.customize.Panel
		 * @augments   wp.customize~Container
		 *
		 * @since 4.1.0
		 *
		 * @param {string}  id - The ID for the panel.
		 * @param {Object}  options - Object containing one property: params.
		 * @param {string}  options.title - Title shown when panel is collapsed and expanded.
		 * @param {string}  [options.description] - Description shown at the top of the panel.
		 * @param {number}  [options.priority=100] - The sort priority for the panel.
		 * @param {string}  [options.type=default] - The type of the panel. See wp.customize.panelConstructor.
		 * @param {string}  [options.content] - The markup to be used for the panel container. If empty, a JS template is used.
		 * @param {boolean} [options.active=true] - Whether the panel is active or not.
		 * @param {Object}  [options.params] - Deprecated wrapper for the above properties.
		 */
		initialize: function ( id, options ) {
			var panel = this, params;
			params = options.params || options;

			// Look up the type if one was not supplied.
			if ( ! params.type ) {
				_.find( api.panelConstructor, function( Constructor, type ) {
					if ( Constructor === panel.constructor ) {
						params.type = type;
						return true;
					}
					return false;
				} );
			}

			Container.prototype.initialize.call( panel, id, params );

			panel.embed();
			panel.deferred.embedded.done( function () {
				panel.ready();
			});
		},

		/**
		 * Embed the container in the DOM when any parent panel is ready.
		 *
		 * @since 4.1.0
		 */
		embed: function () {
			var panel = this,
				container = $( '#customize-theme-controls' ),
				parentContainer = $( '.customize-pane-parent' ); // @todo This should be defined elsewhere, and to be configurable.

			if ( ! panel.headContainer.parent().is( parentContainer ) ) {
				parentContainer.append( panel.headContainer );
			}
			if ( ! panel.contentContainer.parent().is( panel.headContainer ) ) {
				container.append( panel.contentContainer );
			}
			panel.renderContent();

			panel.deferred.embedded.resolve();
		},

		/**
		 * @since 4.1.0
		 */
		attachEvents: function () {
			var meta, panel = this;

			// Expand/Collapse accordion sections on click.
			panel.headContainer.find( '.accordion-section-title button, .accordion-section-title[tabindex]' ).on( 'click keydown', function( event ) {
				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
					return;
				}
				event.preventDefault(); // Keep this AFTER the key filter above.

				if ( ! panel.expanded() ) {
					panel.expand();
				}
			});

			// Close panel.
			panel.container.find( '.customize-panel-back' ).on( 'click keydown', function( event ) {
				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
					return;
				}
				event.preventDefault(); // Keep this AFTER the key filter above.

				if ( panel.expanded() ) {
					panel.collapse();
				}
			});

			meta = panel.container.find( '.panel-meta:first' );

			meta.find( '> .accordion-section-title .customize-help-toggle' ).on( 'click', function() {
				if ( meta.hasClass( 'cannot-expand' ) ) {
					return;
				}

				var content = meta.find( '.customize-panel-description:first' );
				if ( meta.hasClass( 'open' ) ) {
					meta.toggleClass( 'open' );
					content.slideUp( panel.defaultExpandedArguments.duration, function() {
						content.trigger( 'toggled' );
					} );
					$( this ).attr( 'aria-expanded', false );
				} else {
					content.slideDown( panel.defaultExpandedArguments.duration, function() {
						content.trigger( 'toggled' );
					} );
					meta.toggleClass( 'open' );
					$( this ).attr( 'aria-expanded', true );
				}
			});

		},

		/**
		 * Get the sections that are associated with this panel, sorted by their priority Value.
		 *
		 * @since 4.1.0
		 *
		 * @return {Array}
		 */
		sections: function () {
			return this._children( 'panel', 'section' );
		},

		/**
		 * Return whether this panel has any active sections.
		 *
		 * @since 4.1.0
		 *
		 * @return {boolean} Whether contextually active.
		 */
		isContextuallyActive: function () {
			var panel = this,
				sections = panel.sections(),
				activeCount = 0;
			_( sections ).each( function ( section ) {
				if ( section.active() && section.isContextuallyActive() ) {
					activeCount += 1;
				}
			} );
			return ( activeCount !== 0 );
		},

		/**
		 * Update UI to reflect expanded state.
		 *
		 * @since 4.1.0
		 *
		 * @param {boolean}  expanded
		 * @param {Object}   args
		 * @param {boolean}  args.unchanged
		 * @param {Function} args.completeCallback
		 * @return {void}
		 */
		onChangeExpanded: function ( expanded, args ) {

			// Immediately call the complete callback if there were no changes.
			if ( args.unchanged ) {
				if ( args.completeCallback ) {
					args.completeCallback();
				}
				return;
			}

			// Note: there is a second argument 'args' passed.
			var panel = this,
				accordionSection = panel.contentContainer,
				overlay = accordionSection.closest( '.wp-full-overlay' ),
				container = accordionSection.closest( '.wp-full-overlay-sidebar-content' ),
				topPanel = panel.headContainer.find( '.accordion-section-title button, .accordion-section-title[tabindex]' ),
				backBtn = accordionSection.find( '.customize-panel-back' ),
				childSections = panel.sections(),
				skipTransition;

			if ( expanded && ! accordionSection.hasClass( 'current-panel' ) ) {
				// Collapse any sibling sections/panels.
				api.section.each( function ( section ) {
					if ( panel.id !== section.panel() ) {
						section.collapse( { duration: 0 } );
					}
				});
				api.panel.each( function ( otherPanel ) {
					if ( panel !== otherPanel ) {
						otherPanel.collapse( { duration: 0 } );
					}
				});

				if ( panel.params.autoExpandSoleSection && 1 === childSections.length && childSections[0].active.get() ) {
					accordionSection.addClass( 'current-panel skip-transition' );
					overlay.addClass( 'in-sub-panel' );

					childSections[0].expand( {
						completeCallback: args.completeCallback
					} );
				} else {
					panel._animateChangeExpanded( function() {
						backBtn.attr( 'tabindex', '0' );
						backBtn.trigger( 'focus' );
						accordionSection.css( 'top', '' );
						container.scrollTop( 0 );

						if ( args.completeCallback ) {
							args.completeCallback();
						}
					} );

					accordionSection.addClass( 'current-panel' );
					overlay.addClass( 'in-sub-panel' );
				}

				api.state( 'expandedPanel' ).set( panel );

			} else if ( ! expanded && accordionSection.hasClass( 'current-panel' ) ) {
				skipTransition = accordionSection.hasClass( 'skip-transition' );
				if ( ! skipTransition ) {
					panel._animateChangeExpanded( function() {

						topPanel.focus();
						accordionSection.css( 'top', '' );

						if ( args.completeCallback ) {
							args.completeCallback();
						}
					} );
				} else {
					accordionSection.removeClass( 'skip-transition' );
				}

				overlay.removeClass( 'in-sub-panel' );
				accordionSection.removeClass( 'current-panel' );
				if ( panel === api.state( 'expandedPanel' ).get() ) {
					api.state( 'expandedPanel' ).set( false );
				}
			}
		},

		/**
		 * Render the panel from its JS template, if it exists.
		 *
		 * The panel's container must already exist in the DOM.
		 *
		 * @since 4.3.0
		 */
		renderContent: function () {
			var template,
				panel = this;

			// Add the content to the container.
			if ( 0 !== $( '#tmpl-' + panel.templateSelector + '-content' ).length ) {
				template = wp.template( panel.templateSelector + '-content' );
			} else {
				template = wp.template( 'customize-panel-default-content' );
			}
			if ( template && panel.headContainer ) {
				panel.contentContainer.html( template( _.extend(
					{ id: panel.id },
					panel.params
				) ) );
			}
		}
	});

	api.ThemesPanel = api.Panel.extend(/** @lends wp.customize.ThemsPanel.prototype */{

		/**
		 *  Class wp.customize.ThemesPanel.
		 *
		 * Custom section for themes that displays without the customize preview.
		 *
		 * @constructs wp.customize.ThemesPanel
		 * @augments   wp.customize.Panel
		 *
		 * @since 4.9.0
		 *
		 * @param {string} id - The ID for the panel.
		 * @param {Object} options - Options.
		 * @return {void}
		 */
		initialize: function( id, options ) {
			var panel = this;
			panel.installingThemes = [];
			api.Panel.prototype.initialize.call( panel, id, options );
		},

		/**
		 * Determine whether a given theme can be switched to, or in general.
		 *
		 * @since 4.9.0
		 *
		 * @param {string} [slug] - Theme slug.
		 * @return {boolean} Whether the theme can be switched to.
		 */
		canSwitchTheme: function canSwitchTheme( slug ) {
			if ( slug && slug === api.settings.theme.stylesheet ) {
				return true;
			}
			return 'publish' === api.state( 'selectedChangesetStatus' ).get() && ( '' === api.state( 'changesetStatus' ).get() || 'auto-draft' === api.state( 'changesetStatus' ).get() );
		},

		/**
		 * Attach events.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		attachEvents: function() {
			var panel = this;

			// Attach regular panel events.
			api.Panel.prototype.attachEvents.apply( panel );

			// Temporary since supplying SFTP credentials does not work yet. See #42184.
			if ( api.settings.theme._canInstall && api.settings.theme._filesystemCredentialsNeeded ) {
				panel.notifications.add( new api.Notification( 'theme_install_unavailable', {
					message: api.l10n.themeInstallUnavailable,
					type: 'info',
					dismissible: true
				} ) );
			}

			function toggleDisabledNotifications() {
				if ( panel.canSwitchTheme() ) {
					panel.notifications.remove( 'theme_switch_unavailable' );
				} else {
					panel.notifications.add( new api.Notification( 'theme_switch_unavailable', {
						message: api.l10n.themePreviewUnavailable,
						type: 'warning'
					} ) );
				}
			}
			toggleDisabledNotifications();
			api.state( 'selectedChangesetStatus' ).bind( toggleDisabledNotifications );
			api.state( 'changesetStatus' ).bind( toggleDisabledNotifications );

			// Collapse panel to customize the current theme.
			panel.contentContainer.on( 'click', '.customize-theme', function() {
				panel.collapse();
			});

			// Toggle between filtering and browsing themes on mobile.
			panel.contentContainer.on( 'click', '.customize-themes-section-title, .customize-themes-mobile-back', function() {
				$( '.wp-full-overlay' ).toggleClass( 'showing-themes' );
			});

			// Install (and maybe preview) a theme.
			panel.contentContainer.on( 'click', '.theme-install', function( event ) {
				panel.installTheme( event );
			});

			// Update a theme. Theme cards have the class, the details modal has the id.
			panel.contentContainer.on( 'click', '.update-theme, #update-theme', function( event ) {

				// #update-theme is a link.
				event.preventDefault();
				event.stopPropagation();

				panel.updateTheme( event );
			});

			// Delete a theme.
			panel.contentContainer.on( 'click', '.delete-theme', function( event ) {
				panel.deleteTheme( event );
			});

			_.bindAll( panel, 'installTheme', 'updateTheme' );
		},

		/**
		 * Update UI to reflect expanded state
		 *
		 * @since 4.9.0
		 *
		 * @param {boolean}  expanded - Expanded state.
		 * @param {Object}   args - Args.
		 * @param {boolean}  args.unchanged - Whether or not the state changed.
		 * @param {Function} args.completeCallback - Callback to execute when the animation completes.
		 * @return {void}
		 */
		onChangeExpanded: function( expanded, args ) {
			var panel = this, overlay, sections, hasExpandedSection = false;

			// Expand/collapse the panel normally.
			api.Panel.prototype.onChangeExpanded.apply( this, [ expanded, args ] );

			// Immediately call the complete callback if there were no changes.
			if ( args.unchanged ) {
				if ( args.completeCallback ) {
					args.completeCallback();
				}
				return;
			}

			overlay = panel.headContainer.closest( '.wp-full-overlay' );

			if ( expanded ) {
				overlay
					.addClass( 'in-themes-panel' )
					.delay( 200 ).find( '.customize-themes-full-container' ).addClass( 'animate' );

				_.delay( function() {
					overlay.addClass( 'themes-panel-expanded' );
				}, 200 );

				// Automatically open the first section (except on small screens), if one isn't already expanded.
				if ( 600 < window.innerWidth ) {
					sections = panel.sections();
					_.each( sections, function( section ) {
						if ( section.expanded() ) {
							hasExpandedSection = true;
						}
					} );
					if ( ! hasExpandedSection && sections.length > 0 ) {
						sections[0].expand();
					}
				}
			} else {
				overlay
					.removeClass( 'in-themes-panel themes-panel-expanded' )
					.find( '.customize-themes-full-container' ).removeClass( 'animate' );
			}
		},

		/**
		 * Install a theme via wp.updates.
		 *
		 * @since 4.9.0
		 *
		 * @param {jQuery.Event} event - Event.
		 * @return {jQuery.promise} Promise.
		 */
		installTheme: function( event ) {
			var panel = this, preview, onInstallSuccess, slug = $( event.target ).data( 'slug' ), deferred = $.Deferred(), request;
			preview = $( event.target ).hasClass( 'preview' );

			// Temporary since supplying SFTP credentials does not work yet. See #42184.
			if ( api.settings.theme._filesystemCredentialsNeeded ) {
				deferred.reject({
					errorCode: 'theme_install_unavailable'
				});
				return deferred.promise();
			}

			// Prevent loading a non-active theme preview when there is a drafted/scheduled changeset.
			if ( ! panel.canSwitchTheme( slug ) ) {
				deferred.reject({
					errorCode: 'theme_switch_unavailable'
				});
				return deferred.promise();
			}

			// Theme is already being installed.
			if ( _.contains( panel.installingThemes, slug ) ) {
				deferred.reject({
					errorCode: 'theme_already_installing'
				});
				return deferred.promise();
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			onInstallSuccess = function( response ) {
				var theme = false, themeControl;
				if ( preview ) {
					api.notifications.remove( 'theme_installing' );

					panel.loadThemePreview( slug );

				} else {
					api.control.each( function( control ) {
						if ( 'theme' === control.params.type && control.params.theme.id === response.slug ) {
							theme = control.params.theme; // Used below to add theme control.
							control.rerenderAsInstalled( true );
						}
					});

					// Don't add the same theme more than once.
					if ( ! theme || api.control.has( 'installed_theme_' + theme.id ) ) {
						deferred.resolve( response );
						return;
					}

					// Add theme control to installed section.
					theme.type = 'installed';
					themeControl = new api.controlConstructor.theme( 'installed_theme_' + theme.id, {
						type: 'theme',
						section: 'installed_themes',
						theme: theme,
						priority: 0 // Add all newly-installed themes to the top.
					} );

					api.control.add( themeControl );
					api.control( themeControl.id ).container.trigger( 'render-screenshot' );

					// Close the details modal if it's open to the installed theme.
					api.section.each( function( section ) {
						if ( 'themes' === section.params.type ) {
							if ( theme.id === section.currentTheme ) { // Don't close the modal if the user has navigated elsewhere.
								section.closeDetails();
							}
						}
					});
				}
				deferred.resolve( response );
			};

			panel.installingThemes.push( slug ); // Note: we don't remove elements from installingThemes, since they shouldn't be installed again.
			request = wp.updates.installTheme( {
				slug: slug
			} );

			// Also preview the theme as the event is triggered on Install & Preview.
			if ( preview ) {
				api.notifications.add( new api.OverlayNotification( 'theme_installing', {
					message: api.l10n.themeDownloading,
					type: 'info',
					loading: true
				} ) );
			}

			request.done( onInstallSuccess );
			request.fail( function() {
				api.notifications.remove( 'theme_installing' );
			} );

			return deferred.promise();
		},

		/**
		 * Load theme preview.
		 *
		 * @since 4.9.0
		 *
		 * @param {string} themeId Theme ID.
		 * @return {jQuery.promise} Promise.
		 */
		loadThemePreview: function( themeId ) {
			var panel = this, deferred = $.Deferred(), onceProcessingComplete, urlParser, queryParams;

			// Prevent loading a non-active theme preview when there is a drafted/scheduled changeset.
			if ( ! panel.canSwitchTheme( themeId ) ) {
				deferred.reject({
					errorCode: 'theme_switch_unavailable'
				});
				return deferred.promise();
			}

			urlParser = document.createElement( 'a' );
			urlParser.href = location.href;
			queryParams = _.extend(
				api.utils.parseQueryString( urlParser.search.substr( 1 ) ),
				{
					theme: themeId,
					changeset_uuid: api.settings.changeset.uuid,
					'return': api.settings.url['return']
				}
			);

			// Include autosaved param to load autosave revision without prompting user to restore it.
			if ( ! api.state( 'saved' ).get() ) {
				queryParams.customize_autosaved = 'on';
			}

			urlParser.search = $.param( queryParams );

			// Update loading message. Everything else is handled by reloading the page.
			api.notifications.add( new api.OverlayNotification( 'theme_previewing', {
				message: api.l10n.themePreviewWait,
				type: 'info',
				loading: true
			} ) );

			onceProcessingComplete = function() {
				var request;
				if ( api.state( 'processing' ).get() > 0 ) {
					return;
				}

				api.state( 'processing' ).unbind( onceProcessingComplete );

				request = api.requestChangesetUpdate( {}, { autosave: true } );
				request.done( function() {
					deferred.resolve();
					$( window ).off( 'beforeunload.customize-confirm' );
					location.replace( urlParser.href );
				} );
				request.fail( function() {

					// @todo Show notification regarding failure.
					api.notifications.remove( 'theme_previewing' );

					deferred.reject();
				} );
			};

			if ( 0 === api.state( 'processing' ).get() ) {
				onceProcessingComplete();
			} else {
				api.state( 'processing' ).bind( onceProcessingComplete );
			}

			return deferred.promise();
		},

		/**
		 * Update a theme via wp.updates.
		 *
		 * @since 4.9.0
		 *
		 * @param {jQuery.Event} event - Event.
		 * @return {void}
		 */
		updateTheme: function( event ) {
			wp.updates.maybeRequestFilesystemCredentials( event );

			$( document ).one( 'wp-theme-update-success', function( e, response ) {

				// Rerender the control to reflect the update.
				api.control.each( function( control ) {
					if ( 'theme' === control.params.type && control.params.theme.id === response.slug ) {
						control.params.theme.hasUpdate = false;
						control.params.theme.version = response.newVersion;
						setTimeout( function() {
							control.rerenderAsInstalled( true );
						}, 2000 );
					}
				});
			} );

			wp.updates.updateTheme( {
				slug: $( event.target ).closest( '.notice' ).data( 'slug' )
			} );
		},

		/**
		 * Delete a theme via wp.updates.
		 *
		 * @since 4.9.0
		 *
		 * @param {jQuery.Event} event - Event.
		 * @return {void}
		 */
		deleteTheme: function( event ) {
			var theme, section;
			theme = $( event.target ).data( 'slug' );
			section = api.section( 'installed_themes' );

			event.preventDefault();

			// Temporary since supplying SFTP credentials does not work yet. See #42184.
			if ( api.settings.theme._filesystemCredentialsNeeded ) {
				return;
			}

			// Confirmation dialog for deleting a theme.
			if ( ! window.confirm( api.settings.l10n.confirmDeleteTheme ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			$( document ).one( 'wp-theme-delete-success', function() {
				var control = api.control( 'installed_theme_' + theme );

				// Remove theme control.
				control.container.remove();
				api.control.remove( control.id );

				// Update installed count.
				section.loaded = section.loaded - 1;
				section.updateCount();

				// Rerender any other theme controls as uninstalled.
				api.control.each( function( control ) {
					if ( 'theme' === control.params.type && control.params.theme.id === theme ) {
						control.rerenderAsInstalled( false );
					}
				});
			} );

			wp.updates.deleteTheme( {
				slug: theme
			} );

			// Close modal and focus the section.
			section.closeDetails();
			section.focus();
		}
	});

	api.Control = api.Class.extend(/** @lends wp.customize.Control.prototype */{
		defaultActiveArguments: { duration: 'fast', completeCallback: $.noop },

		/**
		 * Default params.
		 *
		 * @since 4.9.0
		 * @var {object}
		 */
		defaults: {
			label: '',
			description: '',
			active: true,
			priority: 10
		},

		/**
		 * A Customizer Control.
		 *
		 * A control provides a UI element that allows a user to modify a Customizer Setting.
		 *
		 * @see PHP class WP_Customize_Control.
		 *
		 * @constructs wp.customize.Control
		 * @augments   wp.customize.Class
		 *
		 * @borrows wp.customize~focus as this#focus
		 * @borrows wp.customize~Container#activate as this#activate
		 * @borrows wp.customize~Container#deactivate as this#deactivate
		 * @borrows wp.customize~Container#_toggleActive as this#_toggleActive
		 *
		 * @param {string} id                       - Unique identifier for the control instance.
		 * @param {Object} options                  - Options hash for the control instance.
		 * @param {Object} options.type             - Type of control (e.g. text, radio, dropdown-pages, etc.)
		 * @param {string} [options.content]        - The HTML content for the control or at least its container. This should normally be left blank and instead supplying a templateId.
		 * @param {string} [options.templateId]     - Template ID for control's content.
		 * @param {string} [options.priority=10]    - Order of priority to show the control within the section.
		 * @param {string} [options.active=true]    - Whether the control is active.
		 * @param {string} options.section          - The ID of the section the control belongs to.
		 * @param {mixed}  [options.setting]        - The ID of the main setting or an instance of this setting.
		 * @param {mixed}  options.settings         - An object with keys (e.g. default) that maps to setting IDs or Setting/Value objects, or an array of setting IDs or Setting/Value objects.
		 * @param {mixed}  options.settings.default - The ID of the setting the control relates to.
		 * @param {string} options.settings.data    - @todo Is this used?
		 * @param {string} options.label            - Label.
		 * @param {string} options.description      - Description.
		 * @param {number} [options.instanceNumber] - Order in which this instance was created in relation to other instances.
		 * @param {Object} [options.params]         - Deprecated wrapper for the above properties.
		 * @return {void}
		 */
		initialize: function( id, options ) {
			var control = this, deferredSettingIds = [], settings, gatherSettings;

			control.params = _.extend(
				{},
				control.defaults,
				control.params || {}, // In case subclass already defines.
				options.params || options || {} // The options.params property is deprecated, but it is checked first for back-compat.
			);

			if ( ! api.Control.instanceCounter ) {
				api.Control.instanceCounter = 0;
			}
			api.Control.instanceCounter++;
			if ( ! control.params.instanceNumber ) {
				control.params.instanceNumber = api.Control.instanceCounter;
			}

			// Look up the type if one was not supplied.
			if ( ! control.params.type ) {
				_.find( api.controlConstructor, function( Constructor, type ) {
					if ( Constructor === control.constructor ) {
						control.params.type = type;
						return true;
					}
					return false;
				} );
			}

			if ( ! control.params.content ) {
				control.params.content = $( '<li></li>', {
					id: 'customize-control-' + id.replace( /]/g, '' ).replace( /\[/g, '-' ),
					'class': 'customize-control customize-control-' + control.params.type
				} );
			}

			control.id = id;
			control.selector = '#customize-control-' + id.replace( /\]/g, '' ).replace( /\[/g, '-' ); // Deprecated, likely dead code from time before #28709.
			if ( control.params.content ) {
				control.container = $( control.params.content );
			} else {
				control.container = $( control.selector ); // Likely dead, per above. See #28709.
			}

			if ( control.params.templateId ) {
				control.templateSelector = control.params.templateId;
			} else {
				control.templateSelector = 'customize-control-' + control.params.type + '-content';
			}

			control.deferred = _.extend( control.deferred || {}, {
				embedded: new $.Deferred()
			} );
			control.section = new api.Value();
			control.priority = new api.Value();
			control.active = new api.Value();
			control.activeArgumentsQueue = [];
			control.notifications = new api.Notifications({
				alt: control.altNotice
			});

			control.elements = [];

			control.active.bind( function ( active ) {
				var args = control.activeArgumentsQueue.shift();
				args = $.extend( {}, control.defaultActiveArguments, args );
				control.onChangeActive( active, args );
			} );

			control.section.set( control.params.section );
			control.priority.set( isNaN( control.params.priority ) ? 10 : control.params.priority );
			control.active.set( control.params.active );

			api.utils.bubbleChildValueChanges( control, [ 'section', 'priority', 'active' ] );

			control.settings = {};

			settings = {};
			if ( control.params.setting ) {
				settings['default'] = control.params.setting;
			}
			_.extend( settings, control.params.settings );

			// Note: Settings can be an array or an object, with values being either setting IDs or Setting (or Value) objects.
			_.each( settings, function( value, key ) {
				var setting;
				if ( _.isObject( value ) && _.isFunction( value.extended ) && value.extended( api.Value ) ) {
					control.settings[ key ] = value;
				} else if ( _.isString( value ) ) {
					setting = api( value );
					if ( setting ) {
						control.settings[ key ] = setting;
					} else {
						deferredSettingIds.push( value );
					}
				}
			} );

			gatherSettings = function() {

				// Fill-in all resolved settings.
				_.each( settings, function ( settingId, key ) {
					if ( ! control.settings[ key ] && _.isString( settingId ) ) {
						control.settings[ key ] = api( settingId );
					}
				} );

				// Make sure settings passed as array gets associated with default.
				if ( control.settings[0] && ! control.settings['default'] ) {
					control.settings['default'] = control.settings[0];
				}

				// Identify the main setting.
				control.setting = control.settings['default'] || null;

				control.linkElements(); // Link initial elements present in server-rendered content.
				control.embed();
			};

			if ( 0 === deferredSettingIds.length ) {
				gatherSettings();
			} else {
				api.apply( api, deferredSettingIds.concat( gatherSettings ) );
			}

			// After the control is embedded on the page, invoke the "ready" method.
			control.deferred.embedded.done( function () {
				control.linkElements(); // Link any additional elements after template is rendered by renderContent().
				control.setupNotifications();
				control.ready();
			});
		},

		/**
		 * Link elements between settings and inputs.
		 *
		 * @since 4.7.0
		 * @access public
		 *
		 * @return {void}
		 */
		linkElements: function () {
			var control = this, nodes, radios, element;

			nodes = control.container.find( '[data-customize-setting-link], [data-customize-setting-key-link]' );
			radios = {};

			nodes.each( function () {
				var node = $( this ), name, setting;

				if ( node.data( 'customizeSettingLinked' ) ) {
					return;
				}
				node.data( 'customizeSettingLinked', true ); // Prevent re-linking element.

				if ( node.is( ':radio' ) ) {
					name = node.prop( 'name' );
					if ( radios[name] ) {
						return;
					}

					radios[name] = true;
					node = nodes.filter( '[name="' + name + '"]' );
				}

				// Let link by default refer to setting ID. If it doesn't exist, fallback to looking up by setting key.
				if ( node.data( 'customizeSettingLink' ) ) {
					setting = api( node.data( 'customizeSettingLink' ) );
				} else if ( node.data( 'customizeSettingKeyLink' ) ) {
					setting = control.settings[ node.data( 'customizeSettingKeyLink' ) ];
				}

				if ( setting ) {
					element = new api.Element( node );
					control.elements.push( element );
					element.sync( setting );
					element.set( setting() );
				}
			} );
		},

		/**
		 * Embed the control into the page.
		 */
		embed: function () {
			var control = this,
				inject;

			// Watch for changes to the section state.
			inject = function ( sectionId ) {
				var parentContainer;
				if ( ! sectionId ) { // @todo Allow a control to be embedded without a section, for instance a control embedded in the front end.
					return;
				}
				// Wait for the section to be registered.
				api.section( sectionId, function ( section ) {
					// Wait for the section to be ready/initialized.
					section.deferred.embedded.done( function () {
						parentContainer = ( section.contentContainer.is( 'ul' ) ) ? section.contentContainer : section.contentContainer.find( 'ul:first' );
						if ( ! control.container.parent().is( parentContainer ) ) {
							parentContainer.append( control.container );
						}
						control.renderContent();
						control.deferred.embedded.resolve();
					});
				});
			};
			control.section.bind( inject );
			inject( control.section.get() );
		},

		/**
		 * Triggered when the control's markup has been injected into the DOM.
		 *
		 * @return {void}
		 */
		ready: function() {
			var control = this, newItem;
			if ( 'dropdown-pages' === control.params.type && control.params.allow_addition ) {
				newItem = control.container.find( '.new-content-item-wrapper' );
				newItem.hide(); // Hide in JS to preserve flex display when showing.
				control.container.on( 'click', '.add-new-toggle', function( e ) {
					$( e.currentTarget ).slideUp( 180 );
					newItem.slideDown( 180 );
					newItem.find( '.create-item-input' ).focus();
				});
				control.container.on( 'click', '.add-content', function() {
					control.addNewPage();
				});
				control.container.on( 'keydown', '.create-item-input', function( e ) {
					if ( 13 === e.which ) { // Enter.
						control.addNewPage();
					}
				});
			}
		},

		/**
		 * Get the element inside of a control's container that contains the validation error message.
		 *
		 * Control subclasses may override this to return the proper container to render notifications into.
		 * Injects the notification container for existing controls that lack the necessary container,
		 * including special handling for nav menu items and widgets.
		 *
		 * @since 4.6.0
		 * @return {jQuery} Setting validation message element.
		 */
		getNotificationsContainerElement: function() {
			var control = this, controlTitle, notificationsContainer;

			notificationsContainer = control.container.find( '.customize-control-notifications-container:first' );
			if ( notificationsContainer.length ) {
				return notificationsContainer;
			}

			notificationsContainer = $( '<div class="customize-control-notifications-container"></div>' );

			if ( control.container.hasClass( 'customize-control-nav_menu_item' ) ) {
				control.container.find( '.menu-item-settings:first' ).prepend( notificationsContainer );
			} else if ( control.container.hasClass( 'customize-control-widget_form' ) ) {
				control.container.find( '.widget-inside:first' ).prepend( notificationsContainer );
			} else {
				controlTitle = control.container.find( '.customize-control-title' );
				if ( controlTitle.length ) {
					controlTitle.after( notificationsContainer );
				} else {
					control.container.prepend( notificationsContainer );
				}
			}
			return notificationsContainer;
		},

		/**
		 * Set up notifications.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		setupNotifications: function() {
			var control = this, renderNotificationsIfVisible, onSectionAssigned;

			// Add setting notifications to the control notification.
			_.each( control.settings, function( setting ) {
				if ( ! setting.notifications ) {
					return;
				}
				setting.notifications.bind( 'add', function( settingNotification ) {
					var params = _.extend(
						{},
						settingNotification,
						{
							setting: setting.id
						}
					);
					control.notifications.add( new api.Notification( setting.id + ':' + settingNotification.code, params ) );
				} );
				setting.notifications.bind( 'remove', function( settingNotification ) {
					control.notifications.remove( setting.id + ':' + settingNotification.code );
				} );
			} );

			renderNotificationsIfVisible = function() {
				var sectionId = control.section();
				if ( ! sectionId || ( api.section.has( sectionId ) && api.section( sectionId ).expanded() ) ) {
					control.notifications.render();
				}
			};

			control.notifications.bind( 'rendered', function() {
				var notifications = control.notifications.get();
				control.container.toggleClass( 'has-notifications', 0 !== notifications.length );
				control.container.toggleClass( 'has-error', 0 !== _.where( notifications, { type: 'error' } ).length );
			} );

			onSectionAssigned = function( newSectionId, oldSectionId ) {
				if ( oldSectionId && api.section.has( oldSectionId ) ) {
					api.section( oldSectionId ).expanded.unbind( renderNotificationsIfVisible );
				}
				if ( newSectionId ) {
					api.section( newSectionId, function( section ) {
						section.expanded.bind( renderNotificationsIfVisible );
						renderNotificationsIfVisible();
					});
				}
			};

			control.section.bind( onSectionAssigned );
			onSectionAssigned( control.section.get() );
			control.notifications.bind( 'change', _.debounce( renderNotificationsIfVisible ) );
		},

		/**
		 * Render notifications.
		 *
		 * Renders the `control.notifications` into the control's container.
		 * Control subclasses may override this method to do their own handling
		 * of rendering notifications.
		 *
		 * @deprecated in favor of `control.notifications.render()`
		 * @since 4.6.0
		 * @this {wp.customize.Control}
		 */
		renderNotifications: function() {
			var control = this, container, notifications, hasError = false;

			if ( 'undefined' !== typeof console && console.warn ) {
				console.warn( '[DEPRECATED] wp.customize.Control.prototype.renderNotifications() is deprecated in favor of instantiating a wp.customize.Notifications and calling its render() method.' );
			}

			container = control.getNotificationsContainerElement();
			if ( ! container || ! container.length ) {
				return;
			}
			notifications = [];
			control.notifications.each( function( notification ) {
				notifications.push( notification );
				if ( 'error' === notification.type ) {
					hasError = true;
				}
			} );

			if ( 0 === notifications.length ) {
				container.stop().slideUp( 'fast' );
			} else {
				container.stop().slideDown( 'fast', null, function() {
					$( this ).css( 'height', 'auto' );
				} );
			}

			if ( ! control.notificationsTemplate ) {
				control.notificationsTemplate = wp.template( 'customize-control-notifications' );
			}

			control.container.toggleClass( 'has-notifications', 0 !== notifications.length );
			control.container.toggleClass( 'has-error', hasError );
			container.empty().append(
				control.notificationsTemplate( { notifications: notifications, altNotice: Boolean( control.altNotice ) } ).trim()
			);
		},

		/**
		 * Normal controls do not expand, so just expand its parent
		 *
		 * @param {Object} [params]
		 */
		expand: function ( params ) {
			api.section( this.section() ).expand( params );
		},

		/*
		 * Documented using @borrows in the constructor.
		 */
		focus: focus,

		/**
		 * Update UI in response to a change in the control's active state.
		 * This does not change the active state, it merely handles the behavior
		 * for when it does change.
		 *
		 * @since 4.1.0
		 *
		 * @param {boolean}  active
		 * @param {Object}   args
		 * @param {number}   args.duration
		 * @param {Function} args.completeCallback
		 */
		onChangeActive: function ( active, args ) {
			if ( args.unchanged ) {
				if ( args.completeCallback ) {
					args.completeCallback();
				}
				return;
			}

			if ( ! $.contains( document, this.container[0] ) ) {
				// jQuery.fn.slideUp is not hiding an element if it is not in the DOM.
				this.container.toggle( active );
				if ( args.completeCallback ) {
					args.completeCallback();
				}
			} else if ( active ) {
				this.container.slideDown( args.duration, args.completeCallback );
			} else {
				this.container.slideUp( args.duration, args.completeCallback );
			}
		},

		/**
		 * @deprecated 4.1.0 Use this.onChangeActive() instead.
		 */
		toggle: function ( active ) {
			return this.onChangeActive( active, this.defaultActiveArguments );
		},

		/*
		 * Documented using @borrows in the constructor
		 */
		activate: Container.prototype.activate,

		/*
		 * Documented using @borrows in the constructor
		 */
		deactivate: Container.prototype.deactivate,

		/*
		 * Documented using @borrows in the constructor
		 */
		_toggleActive: Container.prototype._toggleActive,

		// @todo This function appears to be dead code and can be removed.
		dropdownInit: function() {
			var control      = this,
				statuses     = this.container.find('.dropdown-status'),
				params       = this.params,
				toggleFreeze = false,
				update       = function( to ) {
					if ( 'string' === typeof to && params.statuses && params.statuses[ to ] ) {
						statuses.html( params.statuses[ to ] ).show();
					} else {
						statuses.hide();
					}
				};

			// Support the .dropdown class to open/close complex elements.
			this.container.on( 'click keydown', '.dropdown', function( event ) {
				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
					return;
				}

				event.preventDefault();

				if ( ! toggleFreeze ) {
					control.container.toggleClass( 'open' );
				}

				if ( control.container.hasClass( 'open' ) ) {
					control.container.parent().parent().find( 'li.library-selected' ).focus();
				}

				// Don't want to fire focus and click at same time.
				toggleFreeze = true;
				setTimeout(function () {
					toggleFreeze = false;
				}, 400);
			});

			this.setting.bind( update );
			update( this.setting() );
		},

		/**
		 * Render the control from its JS template, if it exists.
		 *
		 * The control's container must already exist in the DOM.
		 *
		 * @since 4.1.0
		 */
		renderContent: function () {
			var control = this, template, standardTypes, templateId, sectionId;

			standardTypes = [
				'button',
				'checkbox',
				'date',
				'datetime-local',
				'email',
				'month',
				'number',
				'password',
				'radio',
				'range',
				'search',
				'select',
				'tel',
				'time',
				'text',
				'textarea',
				'week',
				'url'
			];

			templateId = control.templateSelector;

			// Use default content template when a standard HTML type is used,
			// there isn't a more specific template existing, and the control container is empty.
			if ( templateId === 'customize-control-' + control.params.type + '-content' &&
				_.contains( standardTypes, control.params.type ) &&
				! document.getElementById( 'tmpl-' + templateId ) &&
				0 === control.container.children().length )
			{
				templateId = 'customize-control-default-content';
			}

			// Replace the container element's content with the control.
			if ( document.getElementById( 'tmpl-' + templateId ) ) {
				template = wp.template( templateId );
				if ( template && control.container ) {
					control.container.html( template( control.params ) );
				}
			}

			// Re-render notifications after content has been re-rendered.
			control.notifications.container = control.getNotificationsContainerElement();
			sectionId = control.section();
			if ( ! sectionId || ( api.section.has( sectionId ) && api.section( sectionId ).expanded() ) ) {
				control.notifications.render();
			}
		},

		/**
		 * Add a new page to a dropdown-pages control reusing menus code for this.
		 *
		 * @since 4.7.0
		 * @access private
		 *
		 * @return {void}
		 */
		addNewPage: function () {
			var control = this, promise, toggle, container, input, inputError, title, select;

			if ( 'dropdown-pages' !== control.params.type || ! control.params.allow_addition || ! api.Menus ) {
				return;
			}

			toggle = control.container.find( '.add-new-toggle' );
			container = control.container.find( '.new-content-item-wrapper' );
			input = control.container.find( '.create-item-input' );
			inputError = control.container.find('.create-item-error');
			title = input.val();
			select = control.container.find( 'select' );

			if ( ! title ) {
				container.addClass( 'form-invalid' );
				input.attr('aria-invalid', 'true');
				input.attr('aria-describedby', inputError.attr('id'));
				inputError.slideDown( 'fast' );
				wp.a11y.speak( inputError.text() );
				return;
			}

			container.removeClass( 'form-invalid' );
			input.attr('aria-invalid', 'false');
			input.removeAttr('aria-describedby');
			inputError.hide();
			input.attr( 'disabled', 'disabled' );

			// The menus functions add the page, publish when appropriate,
			// and also add the new page to the dropdown-pages controls.
			promise = api.Menus.insertAutoDraftPost( {
				post_title: title,
				post_type: 'page'
			} );
			promise.done( function( data ) {
				var availableItem, $content, itemTemplate;

				// Prepare the new page as an available menu item.
				// See api.Menus.submitNew().
				availableItem = new api.Menus.AvailableItemModel( {
					'id': 'post-' + data.post_id, // Used for available menu item Backbone models.
					'title': title,
					'type': 'post_type',
					'type_label': api.Menus.data.l10n.page_label,
					'object': 'page',
					'object_id': data.post_id,
					'url': data.url
				} );

				// Add the new item to the list of available menu items.
				api.Menus.availableMenuItemsPanel.collection.add( availableItem );
				$content = $( '#available-menu-items-post_type-page' ).find( '.available-menu-items-list' );
				itemTemplate = wp.template( 'available-menu-item' );
				$content.prepend( itemTemplate( availableItem.attributes ) );

				// Focus the select control.
				select.focus();
				control.setting.set( String( data.post_id ) ); // Triggers a preview refresh and updates the setting.

				// Reset the create page form.
				container.slideUp( 180 );
				toggle.slideDown( 180 );
			} );
			promise.always( function() {
				input.val( '' ).removeAttr( 'disabled' );
			} );
		}
	});

	/**
	 * A colorpicker control.
	 *
	 * @class    wp.customize.ColorControl
	 * @augments wp.customize.Control
	 */
	api.ColorControl = api.Control.extend(/** @lends wp.customize.ColorControl.prototype */{
		ready: function() {
			var control = this,
				isHueSlider = this.params.mode === 'hue',
				updating = false,
				picker;

			if ( isHueSlider ) {
				picker = this.container.find( '.color-picker-hue' );
				picker.val( control.setting() ).wpColorPicker({
					change: function( event, ui ) {
						updating = true;
						control.setting( ui.color.h() );
						updating = false;
					}
				});
			} else {
				picker = this.container.find( '.color-picker-hex' );
				picker.val( control.setting() ).wpColorPicker({
					change: function() {
						updating = true;
						control.setting.set( picker.wpColorPicker( 'color' ) );
						updating = false;
					},
					clear: function() {
						updating = true;
						control.setting.set( '' );
						updating = false;
					}
				});
			}

			control.setting.bind( function ( value ) {
				// Bail if the update came from the control itself.
				if ( updating ) {
					return;
				}
				picker.val( value );
				picker.wpColorPicker( 'color', value );
			} );

			// Collapse color picker when hitting Esc instead of collapsing the current section.
			control.container.on( 'keydown', function( event ) {
				var pickerContainer;
				if ( 27 !== event.which ) { // Esc.
					return;
				}
				pickerContainer = control.container.find( '.wp-picker-container' );
				if ( pickerContainer.hasClass( 'wp-picker-active' ) ) {
					picker.wpColorPicker( 'close' );
					control.container.find( '.wp-color-result' ).focus();
					event.stopPropagation(); // Prevent section from being collapsed.
				}
			} );
		}
	});

	/**
	 * A control that implements the media modal.
	 *
	 * @class    wp.customize.MediaControl
	 * @augments wp.customize.Control
	 */
	api.MediaControl = api.Control.extend(/** @lends wp.customize.MediaControl.prototype */{

		/**
		 * When the control's DOM structure is ready,
		 * set up internal event bindings.
		 */
		ready: function() {
			var control = this;
			// Shortcut so that we don't have to use _.bind every time we add a callback.
			_.bindAll( control, 'restoreDefault', 'removeFile', 'openFrame', 'select', 'pausePlayer' );

			// Bind events, with delegation to facilitate re-rendering.
			control.container.on( 'click keydown', '.upload-button', control.openFrame );
			control.container.on( 'click keydown', '.upload-button', control.pausePlayer );
			control.container.on( 'click keydown', '.thumbnail-image img', control.openFrame );
			control.container.on( 'click keydown', '.default-button', control.restoreDefault );
			control.container.on( 'click keydown', '.remove-button', control.pausePlayer );
			control.container.on( 'click keydown', '.remove-button', control.removeFile );
			control.container.on( 'click keydown', '.remove-button', control.cleanupPlayer );

			// Resize the player controls when it becomes visible (ie when section is expanded).
			api.section( control.section() ).container
				.on( 'expanded', function() {
					if ( control.player ) {
						control.player.setControlsSize();
					}
				})
				.on( 'collapsed', function() {
					control.pausePlayer();
				});

			/**
			 * Set attachment data and render content.
			 *
			 * Note that BackgroundImage.prototype.ready applies this ready method
			 * to itself. Since BackgroundImage is an UploadControl, the value
			 * is the attachment URL instead of the attachment ID. In this case
			 * we skip fetching the attachment data because we have no ID available,
			 * and it is the responsibility of the UploadControl to set the control's
			 * attachmentData before calling the renderContent method.
			 *
			 * @param {number|string} value Attachment
			 */
			function setAttachmentDataAndRenderContent( value ) {
				var hasAttachmentData = $.Deferred();

				if ( control.extended( api.UploadControl ) ) {
					hasAttachmentData.resolve();
				} else {
					value = parseInt( value, 10 );
					if ( _.isNaN( value ) || value <= 0 ) {
						delete control.params.attachment;
						hasAttachmentData.resolve();
					} else if ( control.params.attachment && control.params.attachment.id === value ) {
						hasAttachmentData.resolve();
					}
				}

				// Fetch the attachment data.
				if ( 'pending' === hasAttachmentData.state() ) {
					wp.media.attachment( value ).fetch().done( function() {
						control.params.attachment = this.attributes;
						hasAttachmentData.resolve();

						// Send attachment information to the preview for possible use in `postMessage` transport.
						wp.customize.previewer.send( control.setting.id + '-attachment-data', this.attributes );
					} );
				}

				hasAttachmentData.done( function() {
					control.renderContent();
				} );
			}

			// Ensure attachment data is initially set (for dynamically-instantiated controls).
			setAttachmentDataAndRenderContent( control.setting() );

			// Update the attachment data and re-render the control when the setting changes.
			control.setting.bind( setAttachmentDataAndRenderContent );
		},

		pausePlayer: function () {
			this.player && this.player.pause();
		},

		cleanupPlayer: function () {
			this.player && wp.media.mixin.removePlayer( this.player );
		},

		/**
		 * Open the media modal.
		 */
		openFrame: function( event ) {
			if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
				return;
			}

			event.preventDefault();

			if ( ! this.frame ) {
				this.initFrame();
			}

			this.frame.open();
		},

		/**
		 * Create a media modal select frame, and store it so the instance can be reused when needed.
		 */
		initFrame: function() {
			this.frame = wp.media({
				button: {
					text: this.params.button_labels.frame_button
				},
				states: [
					new wp.media.controller.Library({
						title:     this.params.button_labels.frame_title,
						library:   wp.media.query({ type: this.params.mime_type }),
						multiple:  false,
						date:      false
					})
				]
			});

			// When a file is selected, run a callback.
			this.frame.on( 'select', this.select );
		},

		/**
		 * Callback handler for when an attachment is selected in the media modal.
		 * Gets the selected image information, and sets it within the control.
		 */
		select: function() {
			// Get the attachment from the modal frame.
			var node,
				attachment = this.frame.state().get( 'selection' ).first().toJSON(),
				mejsSettings = window._wpmejsSettings || {};

			this.params.attachment = attachment;

			// Set the Customizer setting; the callback takes care of rendering.
			this.setting( attachment.id );
			node = this.container.find( 'audio, video' ).get(0);

			// Initialize audio/video previews.
			if ( node ) {
				this.player = new MediaElementPlayer( node, mejsSettings );
			} else {
				this.cleanupPlayer();
			}
		},

		/**
		 * Reset the setting to the default value.
		 */
		restoreDefault: function( event ) {
			if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
				return;
			}
			event.preventDefault();

			this.params.attachment = this.params.defaultAttachment;
			this.setting( this.params.defaultAttachment.url );
		},

		/**
		 * Called when the "Remove" link is clicked. Empties the setting.
		 *
		 * @param {Object} event jQuery Event object
		 */
		removeFile: function( event ) {
			if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
				return;
			}
			event.preventDefault();

			this.params.attachment = {};
			this.setting( '' );
			this.renderContent(); // Not bound to setting change when emptying.
		}
	});

	/**
	 * An upload control, which utilizes the media modal.
	 *
	 * @class    wp.customize.UploadControl
	 * @augments wp.customize.MediaControl
	 */
	api.UploadControl = api.MediaControl.extend(/** @lends wp.customize.UploadControl.prototype */{

		/**
		 * Callback handler for when an attachment is selected in the media modal.
		 * Gets the selected image information, and sets it within the control.
		 */
		select: function() {
			// Get the attachment from the modal frame.
			var node,
				attachment = this.frame.state().get( 'selection' ).first().toJSON(),
				mejsSettings = window._wpmejsSettings || {};

			this.params.attachment = attachment;

			// Set the Customizer setting; the callback takes care of rendering.
			this.setting( attachment.url );
			node = this.container.find( 'audio, video' ).get(0);

			// Initialize audio/video previews.
			if ( node ) {
				this.player = new MediaElementPlayer( node, mejsSettings );
			} else {
				this.cleanupPlayer();
			}
		},

		// @deprecated
		success: function() {},

		// @deprecated
		removerVisibility: function() {}
	});

	/**
	 * A control for uploading images.
	 *
	 * This control no longer needs to do anything more
	 * than what the upload control does in JS.
	 *
	 * @class    wp.customize.ImageControl
	 * @augments wp.customize.UploadControl
	 */
	api.ImageControl = api.UploadControl.extend(/** @lends wp.customize.ImageControl.prototype */{
		// @deprecated
		thumbnailSrc: function() {}
	});

	/**
	 * A control for uploading background images.
	 *
	 * @class    wp.customize.BackgroundControl
	 * @augments wp.customize.UploadControl
	 */
	api.BackgroundControl = api.UploadControl.extend(/** @lends wp.customize.BackgroundControl.prototype */{

		/**
		 * When the control's DOM structure is ready,
		 * set up internal event bindings.
		 */
		ready: function() {
			api.UploadControl.prototype.ready.apply( this, arguments );
		},

		/**
		 * Callback handler for when an attachment is selected in the media modal.
		 * Does an additional Ajax request for setting the background context.
		 */
		select: function() {
			api.UploadControl.prototype.select.apply( this, arguments );

			wp.ajax.post( 'custom-background-add', {
				nonce: _wpCustomizeBackground.nonces.add,
				wp_customize: 'on',
				customize_theme: api.settings.theme.stylesheet,
				attachment_id: this.params.attachment.id
			} );
		}
	});

	/**
	 * A control for positioning a background image.
	 *
	 * @since 4.7.0
	 *
	 * @class    wp.customize.BackgroundPositionControl
	 * @augments wp.customize.Control
	 */
	api.BackgroundPositionControl = api.Control.extend(/** @lends wp.customize.BackgroundPositionControl.prototype */{

		/**
		 * Set up control UI once embedded in DOM and settings are created.
		 *
		 * @since 4.7.0
		 * @access public
		 */
		ready: function() {
			var control = this, updateRadios;

			control.container.on( 'change', 'input[name="background-position"]', function() {
				var position = $( this ).val().split( ' ' );
				control.settings.x( position[0] );
				control.settings.y( position[1] );
			} );

			updateRadios = _.debounce( function() {
				var x, y, radioInput, inputValue;
				x = control.settings.x.get();
				y = control.settings.y.get();
				inputValue = String( x ) + ' ' + String( y );
				radioInput = control.container.find( 'input[name="background-position"][value="' + inputValue + '"]' );
				radioInput.trigger( 'click' );
			} );
			control.settings.x.bind( updateRadios );
			control.settings.y.bind( updateRadios );

			updateRadios(); // Set initial UI.
		}
	} );

	/**
	 * A control for selecting and cropping an image.
	 *
	 * @class    wp.customize.CroppedImageControl
	 * @augments wp.customize.MediaControl
	 */
	api.CroppedImageControl = api.MediaControl.extend(/** @lends wp.customize.CroppedImageControl.prototype */{

		/**
		 * Open the media modal to the library state.
		 */
		openFrame: function( event ) {
			if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
				return;
			}

			this.initFrame();
			this.frame.setState( 'library' ).open();
		},

		/**
		 * Create a media modal select frame, and store it so the instance can be reused when needed.
		 */
		initFrame: function() {
			var l10n = _wpMediaViewsL10n;

			this.frame = wp.media({
				button: {
					text: l10n.select,
					close: false
				},
				states: [
					new wp.media.controller.Library({
						title: this.params.button_labels.frame_title,
						library: wp.media.query({ type: 'image' }),
						multiple: false,
						date: false,
						priority: 20,
						suggestedWidth: this.params.width,
						suggestedHeight: this.params.height
					}),
					new wp.media.controller.CustomizeImageCropper({
						imgSelectOptions: this.calculateImageSelectOptions,
						control: this
					})
				]
			});

			this.frame.on( 'select', this.onSelect, this );
			this.frame.on( 'cropped', this.onCropped, this );
			this.frame.on( 'skippedcrop', this.onSkippedCrop, this );
		},

		/**
		 * After an image is selected in the media modal, switch to the cropper
		 * state if the image isn't the right size.
		 */
		onSelect: function() {
			var attachment = this.frame.state().get( 'selection' ).first().toJSON();

			if ( this.params.width === attachment.width && this.params.height === attachment.height && ! this.params.flex_width && ! this.params.flex_height ) {
				this.setImageFromAttachment( attachment );
				this.frame.close();
			} else {
				this.frame.setState( 'cropper' );
			}
		},

		/**
		 * After the image has been cropped, apply the cropped image data to the setting.
		 *
		 * @param {Object} croppedImage Cropped attachment data.
		 */
		onCropped: function( croppedImage ) {
			this.setImageFromAttachment( croppedImage );
		},

		/**
		 * Returns a set of options, computed from the attached image data and
		 * control-specific data, to be fed to the imgAreaSelect plugin in
		 * wp.media.view.Cropper.
		 *
		 * @param {wp.media.model.Attachment} attachment
		 * @param {wp.media.controller.Cropper} controller
		 * @return {Object} Options
		 */
		calculateImageSelectOptions: function( attachment, controller ) {
			var control       = controller.get( 'control' ),
				flexWidth     = !! parseInt( control.params.flex_width, 10 ),
				flexHeight    = !! parseInt( control.params.flex_height, 10 ),
				realWidth     = attachment.get( 'width' ),
				realHeight    = attachment.get( 'height' ),
				xInit         = parseInt( control.params.width, 10 ),
				yInit         = parseInt( control.params.height, 10 ),
				requiredRatio = xInit / yInit,
				realRatio     = realWidth / realHeight,
				xImg          = xInit,
				yImg          = yInit,
				x1, y1, imgSelectOptions;

			controller.set( 'hasRequiredAspectRatio', control.hasRequiredAspectRatio( requiredRatio, realRatio ) );
			controller.set( 'suggestedCropSize', { width: realWidth, height: realHeight, x1: 0, y1: 0, x2: xInit, y2: yInit } );
			controller.set( 'canSkipCrop', ! control.mustBeCropped( flexWidth, flexHeight, xInit, yInit, realWidth, realHeight ) );

			if ( realRatio > requiredRatio ) {
				yInit = realHeight;
				xInit = yInit * requiredRatio;
			} else {
				xInit = realWidth;
				yInit = xInit / requiredRatio;
			}

			x1 = ( realWidth - xInit ) / 2;
			y1 = ( realHeight - yInit ) / 2;

			imgSelectOptions = {
				handles: true,
				keys: true,
				instance: true,
				persistent: true,
				imageWidth: realWidth,
				imageHeight: realHeight,
				minWidth: xImg > xInit ? xInit : xImg,
				minHeight: yImg > yInit ? yInit : yImg,
				x1: x1,
				y1: y1,
				x2: xInit + x1,
				y2: yInit + y1
			};

			if ( flexHeight === false && flexWidth === false ) {
				imgSelectOptions.aspectRatio = xInit + ':' + yInit;
			}

			if ( true === flexHeight ) {
				delete imgSelectOptions.minHeight;
				imgSelectOptions.maxWidth = realWidth;
			}

			if ( true === flexWidth ) {
				delete imgSelectOptions.minWidth;
				imgSelectOptions.maxHeight = realHeight;
			}

			return imgSelectOptions;
		},

		/**
		 * Return whether the image must be cropped, based on required dimensions.
		 *
		 * @param {boolean} flexW Width is flexible.
		 * @param {boolean} flexH Height is flexible.
		 * @param {number}  dstW  Required width.
		 * @param {number}  dstH  Required height.
		 * @param {number}  imgW  Provided image's width.
		 * @param {number}  imgH  Provided image's height.
		 * @return {boolean} Whether cropping is required.
		 */
		mustBeCropped: function( flexW, flexH, dstW, dstH, imgW, imgH ) {
			if ( true === flexW && true === flexH ) {
				return false;
			}

			if ( true === flexW && dstH === imgH ) {
				return false;
			}

			if ( true === flexH && dstW === imgW ) {
				return false;
			}

			if ( dstW === imgW && dstH === imgH ) {
				return false;
			}

			if ( imgW <= dstW ) {
				return false;
			}

			return true;
		},

		/**
		 * Check if the image's aspect ratio essentially matches the required aspect ratio.
		 *
		 * Floating point precision is low, so this allows a small tolerance. This
		 * tolerance allows for images over 100,000 px on either side to still trigger
		 * the cropping flow.
		 *
		 * @param {number} requiredRatio Required image ratio.
		 * @param {number} realRatio     Provided image ratio.
		 * @return {boolean} Whether the image has the required aspect ratio.
		 */
		hasRequiredAspectRatio: function ( requiredRatio, realRatio ) {
			if ( Math.abs( requiredRatio - realRatio ) < 0.000001 ) {
				return true;
			}

			return false;
		},

		/**
		 * If cropping was skipped, apply the image data directly to the setting.
		 */
		onSkippedCrop: function() {
			var attachment = this.frame.state().get( 'selection' ).first().toJSON();
			this.setImageFromAttachment( attachment );
		},

		/**
		 * Updates the setting and re-renders the control UI.
		 *
		 * @param {Object} attachment
		 */
		setImageFromAttachment: function( attachment ) {
			var control = this;
			this.params.attachment = attachment;

			// Set the Customizer setting; the callback takes care of rendering.
			this.setting( attachment.id );

			// Set focus to the first relevant button after the icon.
			_.defer( function() {
				var firstButton = control.container.find( '.actions .button' ).first();
				if ( firstButton.length ) {
					firstButton.focus();
				}
			} );
		}
	});

	/**
	 * A control for selecting and cropping Site Icons.
	 *
	 * @class    wp.customize.SiteIconControl
	 * @augments wp.customize.CroppedImageControl
	 */
	api.SiteIconControl = api.CroppedImageControl.extend(/** @lends wp.customize.SiteIconControl.prototype */{

		/**
		 * Create a media modal select frame, and store it so the instance can be reused when needed.
		 */
		initFrame: function() {
			var l10n = _wpMediaViewsL10n;

			this.frame = wp.media({
				button: {
					text: l10n.select,
					close: false
				},
				states: [
					new wp.media.controller.Library({
						title: this.params.button_labels.frame_title,
						library: wp.media.query({ type: 'image' }),
						multiple: false,
						date: false,
						priority: 20,
						suggestedWidth: this.params.width,
						suggestedHeight: this.params.height
					}),
					new wp.media.controller.SiteIconCropper({
						imgSelectOptions: this.calculateImageSelectOptions,
						control: this
					})
				]
			});

			this.frame.on( 'select', this.onSelect, this );
			this.frame.on( 'cropped', this.onCropped, this );
			this.frame.on( 'skippedcrop', this.onSkippedCrop, this );
		},

		/**
		 * After an image is selected in the media modal, switch to the cropper
		 * state if the image isn't the right size.
		 */
		onSelect: function() {
			var attachment = this.frame.state().get( 'selection' ).first().toJSON(),
				controller = this;

			if ( this.params.width === attachment.width && this.params.height === attachment.height && ! this.params.flex_width && ! this.params.flex_height ) {
				wp.ajax.post( 'crop-image', {
					nonce: attachment.nonces.edit,
					id: attachment.id,
					context: 'site-icon',
					cropDetails: {
						x1: 0,
						y1: 0,
						width: this.params.width,
						height: this.params.height,
						dst_width: this.params.width,
						dst_height: this.params.height
					}
				} ).done( function( croppedImage ) {
					controller.setImageFromAttachment( croppedImage );
					controller.frame.close();
				} ).fail( function() {
					controller.frame.trigger('content:error:crop');
				} );
			} else {
				this.frame.setState( 'cropper' );
			}
		},

		/**
		 * Updates the setting and re-renders the control UI.
		 *
		 * @param {Object} attachment
		 */
		setImageFromAttachment: function( attachment ) {
			var control = this,
				sizes = [ 'site_icon-32', 'thumbnail', 'full' ], link,
				icon;

			_.each( sizes, function( size ) {
				if ( ! icon && ! _.isUndefined ( attachment.sizes[ size ] ) ) {
					icon = attachment.sizes[ size ];
				}
			} );

			this.params.attachment = attachment;

			// Set the Customizer setting; the callback takes care of rendering.
			this.setting( attachment.id );

			if ( ! icon ) {
				return;
			}

			// Update the icon in-browser.
			link = $( 'link[rel="icon"][sizes="32x32"]' );
			link.attr( 'href', icon.url );

			// Set focus to the first relevant button after the icon.
			_.defer( function() {
				var firstButton = control.container.find( '.actions .button' ).first();
				if ( firstButton.length ) {
					firstButton.focus();
				}
			} );
		},

		/**
		 * Called when the "Remove" link is clicked. Empties the setting.
		 *
		 * @param {Object} event jQuery Event object
		 */
		removeFile: function( event ) {
			if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
				return;
			}
			event.preventDefault();

			this.params.attachment = {};
			this.setting( '' );
			this.renderContent(); // Not bound to setting change when emptying.
			$( 'link[rel="icon"][sizes="32x32"]' ).attr( 'href', '/favicon.ico' ); // Set to default.
		}
	});

	/**
	 * @class    wp.customize.HeaderControl
	 * @augments wp.customize.Control
	 */
	api.HeaderControl = api.Control.extend(/** @lends wp.customize.HeaderControl.prototype */{
		ready: function() {
			this.btnRemove = $('#customize-control-header_image .actions .remove');
			this.btnNew    = $('#customize-control-header_image .actions .new');

			_.bindAll(this, 'openMedia', 'removeImage');

			this.btnNew.on( 'click', this.openMedia );
			this.btnRemove.on( 'click', this.removeImage );

			api.HeaderTool.currentHeader = this.getInitialHeaderImage();

			new api.HeaderTool.CurrentView({
				model: api.HeaderTool.currentHeader,
				el: '#customize-control-header_image .current .container'
			});

			new api.HeaderTool.ChoiceListView({
				collection: api.HeaderTool.UploadsList = new api.HeaderTool.ChoiceList(),
				el: '#customize-control-header_image .choices .uploaded .list'
			});

			new api.HeaderTool.ChoiceListView({
				collection: api.HeaderTool.DefaultsList = new api.HeaderTool.DefaultsList(),
				el: '#customize-control-header_image .choices .default .list'
			});

			api.HeaderTool.combinedList = api.HeaderTool.CombinedList = new api.HeaderTool.CombinedList([
				api.HeaderTool.UploadsList,
				api.HeaderTool.DefaultsList
			]);

			// Ensure custom-header-crop Ajax requests bootstrap the Customizer to activate the previewed theme.
			wp.media.controller.Cropper.prototype.defaults.doCropArgs.wp_customize = 'on';
			wp.media.controller.Cropper.prototype.defaults.doCropArgs.customize_theme = api.settings.theme.stylesheet;
		},

		/**
		 * Returns a new instance of api.HeaderTool.ImageModel based on the currently
		 * saved header image (if any).
		 *
		 * @since 4.2.0
		 *
		 * @return {Object} Options
		 */
		getInitialHeaderImage: function() {
			if ( ! api.get().header_image || ! api.get().header_image_data || _.contains( [ 'remove-header', 'random-default-image', 'random-uploaded-image' ], api.get().header_image ) ) {
				return new api.HeaderTool.ImageModel();
			}

			// Get the matching uploaded image object.
			var currentHeaderObject = _.find( _wpCustomizeHeader.uploads, function( imageObj ) {
				return ( imageObj.attachment_id === api.get().header_image_data.attachment_id );
			} );
			// Fall back to raw current header image.
			if ( ! currentHeaderObject ) {
				currentHeaderObject = {
					url: api.get().header_image,
					thumbnail_url: api.get().header_image,
					attachment_id: api.get().header_image_data.attachment_id
				};
			}

			return new api.HeaderTool.ImageModel({
				header: currentHeaderObject,
				choice: currentHeaderObject.url.split( '/' ).pop()
			});
		},

		/**
		 * Returns a set of options, computed from the attached image data and
		 * theme-specific data, to be fed to the imgAreaSelect plugin in
		 * wp.media.view.Cropper.
		 *
		 * @param {wp.media.model.Attachment} attachment
		 * @param {wp.media.controller.Cropper} controller
		 * @return {Object} Options
		 */
		calculateImageSelectOptions: function(attachment, controller) {
			var xInit = parseInt(_wpCustomizeHeader.data.width, 10),
				yInit = parseInt(_wpCustomizeHeader.data.height, 10),
				flexWidth = !! parseInt(_wpCustomizeHeader.data['flex-width'], 10),
				flexHeight = !! parseInt(_wpCustomizeHeader.data['flex-height'], 10),
				ratio, xImg, yImg, realHeight, realWidth,
				imgSelectOptions;

			realWidth = attachment.get('width');
			realHeight = attachment.get('height');

			this.headerImage = new api.HeaderTool.ImageModel();
			this.headerImage.set({
				themeWidth: xInit,
				themeHeight: yInit,
				themeFlexWidth: flexWidth,
				themeFlexHeight: flexHeight,
				imageWidth: realWidth,
				imageHeight: realHeight
			});

			controller.set( 'canSkipCrop', ! this.headerImage.shouldBeCropped() );

			ratio = xInit / yInit;
			xImg = realWidth;
			yImg = realHeight;

			if ( xImg / yImg > ratio ) {
				yInit = yImg;
				xInit = yInit * ratio;
			} else {
				xInit = xImg;
				yInit = xInit / ratio;
			}

			imgSelectOptions = {
				handles: true,
				keys: true,
				instance: true,
				persistent: true,
				imageWidth: realWidth,
				imageHeight: realHeight,
				x1: 0,
				y1: 0,
				x2: xInit,
				y2: yInit
			};

			if (flexHeight === false && flexWidth === false) {
				imgSelectOptions.aspectRatio = xInit + ':' + yInit;
			}
			if (flexHeight === false ) {
				imgSelectOptions.maxHeight = yInit;
			}
			if (flexWidth === false ) {
				imgSelectOptions.maxWidth = xInit;
			}

			return imgSelectOptions;
		},

		/**
		 * Sets up and opens the Media Manager in order to select an image.
		 * Depending on both the size of the image and the properties of the
		 * current theme, a cropping step after selection may be required or
		 * skippable.
		 *
		 * @param {event} event
		 */
		openMedia: function(event) {
			var l10n = _wpMediaViewsL10n;

			event.preventDefault();

			this.frame = wp.media({
				button: {
					text: l10n.selectAndCrop,
					close: false
				},
				states: [
					new wp.media.controller.Library({
						title:     l10n.chooseImage,
						library:   wp.media.query({ type: 'image' }),
						multiple:  false,
						date:      false,
						priority:  20,
						suggestedWidth: _wpCustomizeHeader.data.width,
						suggestedHeight: _wpCustomizeHeader.data.height
					}),
					new wp.media.controller.Cropper({
						imgSelectOptions: this.calculateImageSelectOptions
					})
				]
			});

			this.frame.on('select', this.onSelect, this);
			this.frame.on('cropped', this.onCropped, this);
			this.frame.on('skippedcrop', this.onSkippedCrop, this);

			this.frame.open();
		},

		/**
		 * After an image is selected in the media modal,
		 * switch to the cropper state.
		 */
		onSelect: function() {
			this.frame.setState('cropper');
		},

		/**
		 * After the image has been cropped, apply the cropped image data to the setting.
		 *
		 * @param {Object} croppedImage Cropped attachment data.
		 */
		onCropped: function(croppedImage) {
			var url = croppedImage.url,
				attachmentId = croppedImage.attachment_id,
				w = croppedImage.width,
				h = croppedImage.height;
			this.setImageFromURL(url, attachmentId, w, h);
		},

		/**
		 * If cropping was skipped, apply the image data directly to the setting.
		 *
		 * @param {Object} selection
		 */
		onSkippedCrop: function(selection) {
			var url = selection.get('url'),
				w = selection.get('width'),
				h = selection.get('height');
			this.setImageFromURL(url, selection.id, w, h);
		},

		/**
		 * Creates a new wp.customize.HeaderTool.ImageModel from provided
		 * header image data and inserts it into the user-uploaded headers
		 * collection.
		 *
		 * @param {string} url
		 * @param {number} attachmentId
		 * @param {number} width
		 * @param {number} height
		 */
		setImageFromURL: function(url, attachmentId, width, height) {
			var choice, data = {};

			data.url = url;
			data.thumbnail_url = url;
			data.timestamp = _.now();

			if (attachmentId) {
				data.attachment_id = attachmentId;
			}

			if (width) {
				data.width = width;
			}

			if (height) {
				data.height = height;
			}

			choice = new api.HeaderTool.ImageModel({
				header: data,
				choice: url.split('/').pop()
			});
			api.HeaderTool.UploadsList.add(choice);
			api.HeaderTool.currentHeader.set(choice.toJSON());
			choice.save();
			choice.importImage();
		},

		/**
		 * Triggers the necessary events to deselect an image which was set as
		 * the currently selected one.
		 */
		removeImage: function() {
			api.HeaderTool.currentHeader.trigger('hide');
			api.HeaderTool.CombinedList.trigger('control:removeImage');
		}

	});

	/**
	 * wp.customize.ThemeControl
	 *
	 * @class    wp.customize.ThemeControl
	 * @augments wp.customize.Control
	 */
	api.ThemeControl = api.Control.extend(/** @lends wp.customize.ThemeControl.prototype */{

		touchDrag: false,
		screenshotRendered: false,

		/**
		 * @since 4.2.0
		 */
		ready: function() {
			var control = this, panel = api.panel( 'themes' );

			function disableSwitchButtons() {
				return ! panel.canSwitchTheme( control.params.theme.id );
			}

			// Temporary special function since supplying SFTP credentials does not work yet. See #42184.
			function disableInstallButtons() {
				return disableSwitchButtons() || false === api.settings.theme._canInstall || true === api.settings.theme._filesystemCredentialsNeeded;
			}
			function updateButtons() {
				control.container.find( 'button.preview, button.preview-theme' ).toggleClass( 'disabled', disableSwitchButtons() );
				control.container.find( 'button.theme-install' ).toggleClass( 'disabled', disableInstallButtons() );
			}

			api.state( 'selectedChangesetStatus' ).bind( updateButtons );
			api.state( 'changesetStatus' ).bind( updateButtons );
			updateButtons();

			control.container.on( 'touchmove', '.theme', function() {
				control.touchDrag = true;
			});

			// Bind details view trigger.
			control.container.on( 'click keydown touchend', '.theme', function( event ) {
				var section;
				if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
					return;
				}

				// Bail if the user scrolled on a touch device.
				if ( control.touchDrag === true ) {
					return control.touchDrag = false;
				}

				// Prevent the modal from showing when the user clicks the action button.
				if ( $( event.target ).is( '.theme-actions .button, .update-theme' ) ) {
					return;
				}

				event.preventDefault(); // Keep this AFTER the key filter above.
				section = api.section( control.section() );
				section.showDetails( control.params.theme, function() {

					// Temporary special function since supplying SFTP credentials does not work yet. See #42184.
					if ( api.settings.theme._filesystemCredentialsNeeded ) {
						section.overlay.find( '.theme-actions .delete-theme' ).remove();
					}
				} );
			});

			control.container.on( 'render-screenshot', function() {
				var $screenshot = $( this ).find( 'img' ),
					source = $screenshot.data( 'src' );

				if ( source ) {
					$screenshot.attr( 'src', source );
				}
				control.screenshotRendered = true;
			});
		},

		/**
		 * Show or hide the theme based on the presence of the term in the title, description, tags, and author.
		 *
		 * @since 4.2.0
		 * @param {Array} terms - An array of terms to search for.
		 * @return {boolean} Whether a theme control was activated or not.
		 */
		filter: function( terms ) {
			var control = this,
				matchCount = 0,
				haystack = control.params.theme.name + ' ' +
					control.params.theme.description + ' ' +
					control.params.theme.tags + ' ' +
					control.params.theme.author + ' ';
			haystack = haystack.toLowerCase().replace( '-', ' ' );

			// Back-compat for behavior in WordPress 4.2.0 to 4.8.X.
			if ( ! _.isArray( terms ) ) {
				terms = [ terms ];
			}

			// Always give exact name matches highest ranking.
			if ( control.params.theme.name.toLowerCase() === terms.join( ' ' ) ) {
				matchCount = 100;
			} else {

				// Search for and weight (by 10) complete term matches.
				matchCount = matchCount + 10 * ( haystack.split( terms.join( ' ' ) ).length - 1 );

				// Search for each term individually (as whole-word and partial match) and sum weighted match counts.
				_.each( terms, function( term ) {
					matchCount = matchCount + 2 * ( haystack.split( term + ' ' ).length - 1 ); // Whole-word, double-weighted.
					matchCount = matchCount + haystack.split( term ).length - 1; // Partial word, to minimize empty intermediate searches while typing.
				});

				// Upper limit on match ranking.
				if ( matchCount > 99 ) {
					matchCount = 99;
				}
			}

			if ( 0 !== matchCount ) {
				control.activate();
				control.params.priority = 101 - matchCount; // Sort results by match count.
				return true;
			} else {
				control.deactivate(); // Hide control.
				control.params.priority = 101;
				return false;
			}
		},

		/**
		 * Rerender the theme from its JS template with the installed type.
		 *
		 * @since 4.9.0
		 *
		 * @return {void}
		 */
		rerenderAsInstalled: function( installed ) {
			var control = this, section;
			if ( installed ) {
				control.params.theme.type = 'installed';
			} else {
				section = api.section( control.params.section );
				control.params.theme.type = section.params.action;
			}
			control.renderContent(); // Replaces existing content.
			control.container.trigger( 'render-screenshot' );
		}
	});

	/**
	 * Class wp.customize.CodeEditorControl
	 *
	 * @since 4.9.0
	 *
	 * @class    wp.customize.CodeEditorControl
	 * @augments wp.customize.Control
	 */
	api.CodeEditorControl = api.Control.extend(/** @lends wp.customize.CodeEditorControl.prototype */{

		/**
		 * Initialize.
		 *
		 * @since 4.9.0
		 * @param {string} id      - Unique identifier for the control instance.
		 * @param {Object} options - Options hash for the control instance.
		 * @return {void}
		 */
		initialize: function( id, options ) {
			var control = this;
			control.deferred = _.extend( control.deferred || {}, {
				codemirror: $.Deferred()
			} );
			api.Control.prototype.initialize.call( control, id, options );

			// Note that rendering is debounced so the props will be used when rendering happens after add event.
			control.notifications.bind( 'add', function( notification ) {

				// Skip if control notification is not from setting csslint_error notification.
				if ( notification.code !== control.setting.id + ':csslint_error' ) {
					return;
				}

				// Customize the template and behavior of csslint_error notifications.
				notification.templateId = 'customize-code-editor-lint-error-notification';
				notification.render = (function( render ) {
					return function() {
						var li = render.call( this );
						li.find( 'input[type=checkbox]' ).on( 'click', function() {
							control.setting.notifications.remove( 'csslint_error' );
						} );
						return li;
					};
				})( notification.render );
			} );
		},

		/**
		 * Initialize the editor when the containing section is ready and expanded.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		ready: function() {
			var control = this;
			if ( ! control.section() ) {
				control.initEditor();
				return;
			}

			// Wait to initialize editor until section is embedded and expanded.
			api.section( control.section(), function( section ) {
				section.deferred.embedded.done( function() {
					var onceExpanded;
					if ( section.expanded() ) {
						control.initEditor();
					} else {
						onceExpanded = function( isExpanded ) {
							if ( isExpanded ) {
								control.initEditor();
								section.expanded.unbind( onceExpanded );
							}
						};
						section.expanded.bind( onceExpanded );
					}
				} );
			} );
		},

		/**
		 * Initialize editor.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		initEditor: function() {
			var control = this, element, editorSettings = false;

			// Obtain editorSettings for instantiation.
			if ( wp.codeEditor && ( _.isUndefined( control.params.editor_settings ) || false !== control.params.editor_settings ) ) {

				// Obtain default editor settings.
				editorSettings = wp.codeEditor.defaultSettings ? _.clone( wp.codeEditor.defaultSettings ) : {};
				editorSettings.codemirror = _.extend(
					{},
					editorSettings.codemirror,
					{
						indentUnit: 2,
						tabSize: 2
					}
				);

				// Merge editor_settings param on top of defaults.
				if ( _.isObject( control.params.editor_settings ) ) {
					_.each( control.params.editor_settings, function( value, key ) {
						if ( _.isObject( value ) ) {
							editorSettings[ key ] = _.extend(
								{},
								editorSettings[ key ],
								value
							);
						}
					} );
				}
			}

			element = new api.Element( control.container.find( 'textarea' ) );
			control.elements.push( element );
			element.sync( control.setting );
			element.set( control.setting() );

			if ( editorSettings ) {
				control.initSyntaxHighlightingEditor( editorSettings );
			} else {
				control.initPlainTextareaEditor();
			}
		},

		/**
		 * Make sure editor gets focused when control is focused.
		 *
		 * @since 4.9.0
		 * @param {Object}   [params] - Focus params.
		 * @param {Function} [params.completeCallback] - Function to call when expansion is complete.
		 * @return {void}
		 */
		focus: function( params ) {
			var control = this, extendedParams = _.extend( {}, params ), originalCompleteCallback;
			originalCompleteCallback = extendedParams.completeCallback;
			extendedParams.completeCallback = function() {
				if ( originalCompleteCallback ) {
					originalCompleteCallback();
				}
				if ( control.editor ) {
					control.editor.codemirror.focus();
				}
			};
			api.Control.prototype.focus.call( control, extendedParams );
		},

		/**
		 * Initialize syntax-highlighting editor.
		 *
		 * @since 4.9.0
		 * @param {Object} codeEditorSettings - Code editor settings.
		 * @return {void}
		 */
		initSyntaxHighlightingEditor: function( codeEditorSettings ) {
			var control = this, $textarea = control.container.find( 'textarea' ), settings, suspendEditorUpdate = false;

			settings = _.extend( {}, codeEditorSettings, {
				onTabNext: _.bind( control.onTabNext, control ),
				onTabPrevious: _.bind( control.onTabPrevious, control ),
				onUpdateErrorNotice: _.bind( control.onUpdateErrorNotice, control )
			});

			control.editor = wp.codeEditor.initialize( $textarea, settings );

			// Improve the editor accessibility.
			$( control.editor.codemirror.display.lineDiv )
				.attr({
					role: 'textbox',
					'aria-multiline': 'true',
					'aria-label': control.params.label,
					'aria-describedby': 'editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4'
				});

			// Focus the editor when clicking on its label.
			control.container.find( 'label' ).on( 'click', function() {
				control.editor.codemirror.focus();
			});

			/*
			 * When the CodeMirror instance changes, mirror to the textarea,
			 * where we have our "true" change event handler bound.
			 */
			control.editor.codemirror.on( 'change', function( codemirror ) {
				suspendEditorUpdate = true;
				$textarea.val( codemirror.getValue() ).trigger( 'change' );
				suspendEditorUpdate = false;
			});

			// Update CodeMirror when the setting is changed by another plugin.
			control.setting.bind( function( value ) {
				if ( ! suspendEditorUpdate ) {
					control.editor.codemirror.setValue( value );
				}
			});

			// Prevent collapsing section when hitting Esc to tab out of editor.
			control.editor.codemirror.on( 'keydown', function onKeydown( codemirror, event ) {
				var escKeyCode = 27;
				if ( escKeyCode === event.keyCode ) {
					event.stopPropagation();
				}
			});

			control.deferred.codemirror.resolveWith( control, [ control.editor.codemirror ] );
		},

		/**
		 * Handle tabbing to the field after the editor.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		onTabNext: function onTabNext() {
			var control = this, controls, controlIndex, section;
			section = api.section( control.section() );
			controls = section.controls();
			controlIndex = controls.indexOf( control );
			if ( controls.length === controlIndex + 1 ) {
				$( '#customize-footer-actions .collapse-sidebar' ).trigger( 'focus' );
			} else {
				controls[ controlIndex + 1 ].container.find( ':focusable:first' ).focus();
			}
		},

		/**
		 * Handle tabbing to the field before the editor.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		onTabPrevious: function onTabPrevious() {
			var control = this, controls, controlIndex, section;
			section = api.section( control.section() );
			controls = section.controls();
			controlIndex = controls.indexOf( control );
			if ( 0 === controlIndex ) {
				section.contentContainer.find( '.customize-section-title .customize-help-toggle, .customize-section-title .customize-section-description.open .section-description-close' ).last().focus();
			} else {
				controls[ controlIndex - 1 ].contentContainer.find( ':focusable:first' ).focus();
			}
		},

		/**
		 * Update error notice.
		 *
		 * @since 4.9.0
		 * @param {Array} errorAnnotations - Error annotations.
		 * @return {void}
		 */
		onUpdateErrorNotice: function onUpdateErrorNotice( errorAnnotations ) {
			var control = this, message;
			control.setting.notifications.remove( 'csslint_error' );

			if ( 0 !== errorAnnotations.length ) {
				if ( 1 === errorAnnotations.length ) {
					message = api.l10n.customCssError.singular.replace( '%d', '1' );
				} else {
					message = api.l10n.customCssError.plural.replace( '%d', String( errorAnnotations.length ) );
				}
				control.setting.notifications.add( new api.Notification( 'csslint_error', {
					message: message,
					type: 'error'
				} ) );
			}
		},

		/**
		 * Initialize plain-textarea editor when syntax highlighting is disabled.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		initPlainTextareaEditor: function() {
			var control = this, $textarea = control.container.find( 'textarea' ), textarea = $textarea[0];

			$textarea.on( 'blur', function onBlur() {
				$textarea.data( 'next-tab-blurs', false );
			} );

			$textarea.on( 'keydown', function onKeydown( event ) {
				var selectionStart, selectionEnd, value, tabKeyCode = 9, escKeyCode = 27;

				if ( escKeyCode === event.keyCode ) {
					if ( ! $textarea.data( 'next-tab-blurs' ) ) {
						$textarea.data( 'next-tab-blurs', true );
						event.stopPropagation(); // Prevent collapsing the section.
					}
					return;
				}

				// Short-circuit if tab key is not being pressed or if a modifier key *is* being pressed.
				if ( tabKeyCode !== event.keyCode || event.ctrlKey || event.altKey || event.shiftKey ) {
					return;
				}

				// Prevent capturing Tab characters if Esc was pressed.
				if ( $textarea.data( 'next-tab-blurs' ) ) {
					return;
				}

				selectionStart = textarea.selectionStart;
				selectionEnd = textarea.selectionEnd;
				value = textarea.value;

				if ( selectionStart >= 0 ) {
					textarea.value = value.substring( 0, selectionStart ).concat( '\t', value.substring( selectionEnd ) );
					$textarea.selectionStart = textarea.selectionEnd = selectionStart + 1;
				}

				event.stopPropagation();
				event.preventDefault();
			});

			control.deferred.codemirror.rejectWith( control );
		}
	});

	/**
	 * Class wp.customize.DateTimeControl.
	 *
	 * @since 4.9.0
	 * @class    wp.customize.DateTimeControl
	 * @augments wp.customize.Control
	 */
	api.DateTimeControl = api.Control.extend(/** @lends wp.customize.DateTimeControl.prototype */{

		/**
		 * Initialize behaviors.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		ready: function ready() {
			var control = this;

			control.inputElements = {};
			control.invalidDate = false;

			_.bindAll( control, 'populateSetting', 'updateDaysForMonth', 'populateDateInputs' );

			if ( ! control.setting ) {
				throw new Error( 'Missing setting' );
			}

			control.container.find( '.date-input' ).each( function() {
				var input = $( this ), component, element;
				component = input.data( 'component' );
				element = new api.Element( input );
				control.inputElements[ component ] = element;
				control.elements.push( element );

				// Add invalid date error once user changes (and has blurred the input).
				input.on( 'change', function() {
					if ( control.invalidDate ) {
						control.notifications.add( new api.Notification( 'invalid_date', {
							message: api.l10n.invalidDate
						} ) );
					}
				} );

				// Remove the error immediately after validity change.
				input.on( 'input', _.debounce( function() {
					if ( ! control.invalidDate ) {
						control.notifications.remove( 'invalid_date' );
					}
				} ) );

				// Add zero-padding when blurring field.
				input.on( 'blur', _.debounce( function() {
					if ( ! control.invalidDate ) {
						control.populateDateInputs();
					}
				} ) );
			} );

			control.inputElements.month.bind( control.updateDaysForMonth );
			control.inputElements.year.bind( control.updateDaysForMonth );
			control.populateDateInputs();
			control.setting.bind( control.populateDateInputs );

			// Start populating setting after inputs have been populated.
			_.each( control.inputElements, function( element ) {
				element.bind( control.populateSetting );
			} );
		},

		/**
		 * Parse datetime string.
		 *
		 * @since 4.9.0
		 *
		 * @param {string} datetime - Date/Time string. Accepts Y-m-d[ H:i[:s]] format.
		 * @return {Object|null} Returns object containing date components or null if parse error.
		 */
		parseDateTime: function parseDateTime( datetime ) {
			var control = this, matches, date, midDayHour = 12;

			if ( datetime ) {
				matches = datetime.match( /^(\d\d\d\d)-(\d\d)-(\d\d)(?: (\d\d):(\d\d)(?::(\d\d))?)?$/ );
			}

			if ( ! matches ) {
				return null;
			}

			matches.shift();

			date = {
				year: matches.shift(),
				month: matches.shift(),
				day: matches.shift(),
				hour: matches.shift() || '00',
				minute: matches.shift() || '00',
				second: matches.shift() || '00'
			};

			if ( control.params.includeTime && control.params.twelveHourFormat ) {
				date.hour = parseInt( date.hour, 10 );
				date.meridian = date.hour >= midDayHour ? 'pm' : 'am';
				date.hour = date.hour % midDayHour ? String( date.hour % midDayHour ) : String( midDayHour );
				delete date.second; // @todo Why only if twelveHourFormat?
			}

			return date;
		},

		/**
		 * Validates if input components have valid date and time.
		 *
		 * @since 4.9.0
		 * @return {boolean} If date input fields has error.
		 */
		validateInputs: function validateInputs() {
			var control = this, components, validityInput;

			control.invalidDate = false;

			components = [ 'year', 'day' ];
			if ( control.params.includeTime ) {
				components.push( 'hour', 'minute' );
			}

			_.find( components, function( component ) {
				var element, max, min, value;

				element = control.inputElements[ component ];
				validityInput = element.element.get( 0 );
				max = parseInt( element.element.attr( 'max' ), 10 );
				min = parseInt( element.element.attr( 'min' ), 10 );
				value = parseInt( element(), 10 );
				control.invalidDate = isNaN( value ) || value > max || value < min;

				if ( ! control.invalidDate ) {
					validityInput.setCustomValidity( '' );
				}

				return control.invalidDate;
			} );

			if ( control.inputElements.meridian && ! control.invalidDate ) {
				validityInput = control.inputElements.meridian.element.get( 0 );
				if ( 'am' !== control.inputElements.meridian.get() && 'pm' !== control.inputElements.meridian.get() ) {
					control.invalidDate = true;
				} else {
					validityInput.setCustomValidity( '' );
				}
			}

			if ( control.invalidDate ) {
				validityInput.setCustomValidity( api.l10n.invalidValue );
			} else {
				validityInput.setCustomValidity( '' );
			}
			if ( ! control.section() || api.section.has( control.section() ) && api.section( control.section() ).expanded() ) {
				_.result( validityInput, 'reportValidity' );
			}

			return control.invalidDate;
		},

		/**
		 * Updates number of days according to the month and year selected.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		updateDaysForMonth: function updateDaysForMonth() {
			var control = this, daysInMonth, year, month, day;

			month = parseInt( control.inputElements.month(), 10 );
			year = parseInt( control.inputElements.year(), 10 );
			day = parseInt( control.inputElements.day(), 10 );

			if ( month && year ) {
				daysInMonth = new Date( year, month, 0 ).getDate();
				control.inputElements.day.element.attr( 'max', daysInMonth );

				if ( day > daysInMonth ) {
					control.inputElements.day( String( daysInMonth ) );
				}
			}
		},

		/**
		 * Populate setting value from the inputs.
		 *
		 * @since 4.9.0
		 * @return {boolean} If setting updated.
		 */
		populateSetting: function populateSetting() {
			var control = this, date;

			if ( control.validateInputs() || ! control.params.allowPastDate && ! control.isFutureDate() ) {
				return false;
			}

			date = control.convertInputDateToString();
			control.setting.set( date );
			return true;
		},

		/**
		 * Converts input values to string in Y-m-d H:i:s format.
		 *
		 * @since 4.9.0
		 * @return {string} Date string.
		 */
		convertInputDateToString: function convertInputDateToString() {
			var control = this, date = '', dateFormat, hourInTwentyFourHourFormat,
				getElementValue, pad;

			pad = function( number, padding ) {
				var zeros;
				if ( String( number ).length < padding ) {
					zeros = padding - String( number ).length;
					number = Math.pow( 10, zeros ).toString().substr( 1 ) + String( number );
				}
				return number;
			};

			getElementValue = function( component ) {
				var value = parseInt( control.inputElements[ component ].get(), 10 );

				if ( _.contains( [ 'month', 'day', 'hour', 'minute' ], component ) ) {
					value = pad( value, 2 );
				} else if ( 'year' === component ) {
					value = pad( value, 4 );
				}
				return value;
			};

			dateFormat = [ 'year', '-', 'month', '-', 'day' ];
			if ( control.params.includeTime ) {
				hourInTwentyFourHourFormat = control.inputElements.meridian ? control.convertHourToTwentyFourHourFormat( control.inputElements.hour(), control.inputElements.meridian() ) : control.inputElements.hour();
				dateFormat = dateFormat.concat( [ ' ', pad( hourInTwentyFourHourFormat, 2 ), ':', 'minute', ':', '00' ] );
			}

			_.each( dateFormat, function( component ) {
				date += control.inputElements[ component ] ? getElementValue( component ) : component;
			} );

			return date;
		},

		/**
		 * Check if the date is in the future.
		 *
		 * @since 4.9.0
		 * @return {boolean} True if future date.
		 */
		isFutureDate: function isFutureDate() {
			var control = this;
			return 0 < api.utils.getRemainingTime( control.convertInputDateToString() );
		},

		/**
		 * Convert hour in twelve hour format to twenty four hour format.
		 *
		 * @since 4.9.0
		 * @param {string} hourInTwelveHourFormat - Hour in twelve hour format.
		 * @param {string} meridian - Either 'am' or 'pm'.
		 * @return {string} Hour in twenty four hour format.
		 */
		convertHourToTwentyFourHourFormat: function convertHour( hourInTwelveHourFormat, meridian ) {
			var hourInTwentyFourHourFormat, hour, midDayHour = 12;

			hour = parseInt( hourInTwelveHourFormat, 10 );
			if ( isNaN( hour ) ) {
				return '';
			}

			if ( 'pm' === meridian && hour < midDayHour ) {
				hourInTwentyFourHourFormat = hour + midDayHour;
			} else if ( 'am' === meridian && midDayHour === hour ) {
				hourInTwentyFourHourFormat = hour - midDayHour;
			} else {
				hourInTwentyFourHourFormat = hour;
			}

			return String( hourInTwentyFourHourFormat );
		},

		/**
		 * Populates date inputs in date fields.
		 *
		 * @since 4.9.0
		 * @return {boolean} Whether the inputs were populated.
		 */
		populateDateInputs: function populateDateInputs() {
			var control = this, parsed;

			parsed = control.parseDateTime( control.setting.get() );

			if ( ! parsed ) {
				return false;
			}

			_.each( control.inputElements, function( element, component ) {
				var value = parsed[ component ]; // This will be zero-padded string.

				// Set month and meridian regardless of focused state since they are dropdowns.
				if ( 'month' === component || 'meridian' === component ) {

					// Options in dropdowns are not zero-padded.
					value = value.replace( /^0/, '' );

					element.set( value );
				} else {

					value = parseInt( value, 10 );
					if ( ! element.element.is( document.activeElement ) ) {

						// Populate element with zero-padded value if not focused.
						element.set( parsed[ component ] );
					} else if ( value !== parseInt( element(), 10 ) ) {

						// Forcibly update the value if its underlying value changed, regardless of zero-padding.
						element.set( String( value ) );
					}
				}
			} );

			return true;
		},

		/**
		 * Toggle future date notification for date control.
		 *
		 * @since 4.9.0
		 * @param {boolean} notify Add or remove the notification.
		 * @return {wp.customize.DateTimeControl}
		 */
		toggleFutureDateNotification: function toggleFutureDateNotification( notify ) {
			var control = this, notificationCode, notification;

			notificationCode = 'not_future_date';

			if ( notify ) {
				notification = new api.Notification( notificationCode, {
					type: 'error',
					message: api.l10n.futureDateError
				} );
				control.notifications.add( notification );
			} else {
				control.notifications.remove( notificationCode );
			}

			return control;
		}
	});

	/**
	 * Class PreviewLinkControl.
	 *
	 * @since 4.9.0
	 * @class    wp.customize.PreviewLinkControl
	 * @augments wp.customize.Control
	 */
	api.PreviewLinkControl = api.Control.extend(/** @lends wp.customize.PreviewLinkControl.prototype */{

		defaults: _.extend( {}, api.Control.prototype.defaults, {
			templateId: 'customize-preview-link-control'
		} ),

		/**
		 * Initialize behaviors.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		ready: function ready() {
			var control = this, element, component, node, url, input, button;

			_.bindAll( control, 'updatePreviewLink' );

			if ( ! control.setting ) {
			    control.setting = new api.Value();
			}

			control.previewElements = {};

			control.container.find( '.preview-control-element' ).each( function() {
				node = $( this );
				component = node.data( 'component' );
				element = new api.Element( node );
				control.previewElements[ component ] = element;
				control.elements.push( element );
			} );

			url = control.previewElements.url;
			input = control.previewElements.input;
			button = control.previewElements.button;

			input.link( control.setting );
			url.link( control.setting );

			url.bind( function( value ) {
				url.element.parent().attr( {
					href: value,
					target: api.settings.changeset.uuid
				} );
			} );

			api.bind( 'ready', control.updatePreviewLink );
			api.state( 'saved' ).bind( control.updatePreviewLink );
			api.state( 'changesetStatus' ).bind( control.updatePreviewLink );
			api.state( 'activated' ).bind( control.updatePreviewLink );
			api.previewer.previewUrl.bind( control.updatePreviewLink );

			button.element.on( 'click', function( event ) {
				event.preventDefault();
				if ( control.setting() ) {
					input.element.select();
					document.execCommand( 'copy' );
					button( button.element.data( 'copied-text' ) );
				}
			} );

			url.element.parent().on( 'click', function( event ) {
				if ( $( this ).hasClass( 'disabled' ) ) {
					event.preventDefault();
				}
			} );

			button.element.on( 'mouseenter', function() {
				if ( control.setting() ) {
					button( button.element.data( 'copy-text' ) );
				}
			} );
		},

		/**
		 * Updates Preview Link
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		updatePreviewLink: function updatePreviewLink() {
			var control = this, unsavedDirtyValues;

			unsavedDirtyValues = ! api.state( 'saved' ).get() || '' === api.state( 'changesetStatus' ).get() || 'auto-draft' === api.state( 'changesetStatus' ).get();

			control.toggleSaveNotification( unsavedDirtyValues );
			control.previewElements.url.element.parent().toggleClass( 'disabled', unsavedDirtyValues );
			control.previewElements.button.element.prop( 'disabled', unsavedDirtyValues );
			control.setting.set( api.previewer.getFrontendPreviewUrl() );
		},

		/**
		 * Toggles save notification.
		 *
		 * @since 4.9.0
		 * @param {boolean} notify Add or remove notification.
		 * @return {void}
		 */
		toggleSaveNotification: function toggleSaveNotification( notify ) {
			var control = this, notificationCode, notification;

			notificationCode = 'changes_not_saved';

			if ( notify ) {
				notification = new api.Notification( notificationCode, {
					type: 'info',
					message: api.l10n.saveBeforeShare
				} );
				control.notifications.add( notification );
			} else {
				control.notifications.remove( notificationCode );
			}
		}
	});

	/**
	 * Change objects contained within the main customize object to Settings.
	 *
	 * @alias wp.customize.defaultConstructor
	 */
	api.defaultConstructor = api.Setting;

	/**
	 * Callback for resolved controls.
	 *
	 * @callback wp.customize.deferredControlsCallback
	 * @param {wp.customize.Control[]} controls Resolved controls.
	 */

	/**
	 * Collection of all registered controls.
	 *
	 * @alias wp.customize.control
	 *
	 * @since 3.4.0
	 *
	 * @type {Function}
	 * @param {...string} ids - One or more ids for controls to obtain.
	 * @param {deferredControlsCallback} [callback] - Function called when all supplied controls exist.
	 * @return {wp.customize.Control|undefined|jQuery.promise} Control instance or undefined (if function called with one id param),
	 *                                                         or promise resolving to requested controls.
	 *
	 * @example <caption>Loop over all registered controls.</caption>
	 * wp.customize.control.each( function( control ) { ... } );
	 *
	 * @example <caption>Getting `background_color` control instance.</caption>
	 * control = wp.customize.control( 'background_color' );
	 *
	 * @example <caption>Check if control exists.</caption>
	 * hasControl = wp.customize.control.has( 'background_color' );
	 *
	 * @example <caption>Deferred getting of `background_color` control until it exists, using callback.</caption>
	 * wp.customize.control( 'background_color', function( control ) { ... } );
	 *
	 * @example <caption>Get title and tagline controls when they both exist, using promise (only available when multiple IDs are present).</caption>
	 * promise = wp.customize.control( 'blogname', 'blogdescription' );
	 * promise.done( function( titleControl, taglineControl ) { ... } );
	 *
	 * @example <caption>Get title and tagline controls when they both exist, using callback.</caption>
	 * wp.customize.control( 'blogname', 'blogdescription', function( titleControl, taglineControl ) { ... } );
	 *
	 * @example <caption>Getting setting value for `background_color` control.</caption>
	 * value = wp.customize.control( 'background_color ').setting.get();
	 * value = wp.customize( 'background_color' ).get(); // Same as above, since setting ID and control ID are the same.
	 *
	 * @example <caption>Add new control for site title.</caption>
	 * wp.customize.control.add( new wp.customize.Control( 'other_blogname', {
	 *     setting: 'blogname',
	 *     type: 'text',
	 *     label: 'Site title',
	 *     section: 'other_site_identify'
	 * } ) );
	 *
	 * @example <caption>Remove control.</caption>
	 * wp.customize.control.remove( 'other_blogname' );
	 *
	 * @example <caption>Listen for control being added.</caption>
	 * wp.customize.control.bind( 'add', function( addedControl ) { ... } )
	 *
	 * @example <caption>Listen for control being removed.</caption>
	 * wp.customize.control.bind( 'removed', function( removedControl ) { ... } )
	 */
	api.control = new api.Values({ defaultConstructor: api.Control });

	/**
	 * Callback for resolved sections.
	 *
	 * @callback wp.customize.deferredSectionsCallback
	 * @param {wp.customize.Section[]} sections Resolved sections.
	 */

	/**
	 * Collection of all registered sections.
	 *
	 * @alias wp.customize.section
	 *
	 * @since 3.4.0
	 *
	 * @type {Function}
	 * @param {...string} ids - One or more ids for sections to obtain.
	 * @param {deferredSectionsCallback} [callback] - Function called when all supplied sections exist.
	 * @return {wp.customize.Section|undefined|jQuery.promise} Section instance or undefined (if function called with one id param),
	 *                                                         or promise resolving to requested sections.
	 *
	 * @example <caption>Loop over all registered sections.</caption>
	 * wp.customize.section.each( function( section ) { ... } )
	 *
	 * @example <caption>Getting `title_tagline` section instance.</caption>
	 * section = wp.customize.section( 'title_tagline' )
	 *
	 * @example <caption>Expand dynamically-created section when it exists.</caption>
	 * wp.customize.section( 'dynamically_created', function( section ) {
	 *     section.expand();
	 * } );
	 *
	 * @see {@link wp.customize.control} for further examples of how to interact with {@link wp.customize.Values} instances.
	 */
	api.section = new api.Values({ defaultConstructor: api.Section });

	/**
	 * Callback for resolved panels.
	 *
	 * @callback wp.customize.deferredPanelsCallback
	 * @param {wp.customize.Panel[]} panels Resolved panels.
	 */

	/**
	 * Collection of all registered panels.
	 *
	 * @alias wp.customize.panel
	 *
	 * @since 4.0.0
	 *
	 * @type {Function}
	 * @param {...string} ids - One or more ids for panels to obtain.
	 * @param {deferredPanelsCallback} [callback] - Function called when all supplied panels exist.
	 * @return {wp.customize.Panel|undefined|jQuery.promise} Panel instance or undefined (if function called with one id param),
	 *                                                       or promise resolving to requested panels.
	 *
	 * @example <caption>Loop over all registered panels.</caption>
	 * wp.customize.panel.each( function( panel ) { ... } )
	 *
	 * @example <caption>Getting nav_menus panel instance.</caption>
	 * panel = wp.customize.panel( 'nav_menus' );
	 *
	 * @example <caption>Expand dynamically-created panel when it exists.</caption>
	 * wp.customize.panel( 'dynamically_created', function( panel ) {
	 *     panel.expand();
	 * } );
	 *
	 * @see {@link wp.customize.control} for further examples of how to interact with {@link wp.customize.Values} instances.
	 */
	api.panel = new api.Values({ defaultConstructor: api.Panel });

	/**
	 * Callback for resolved notifications.
	 *
	 * @callback wp.customize.deferredNotificationsCallback
	 * @param {wp.customize.Notification[]} notifications Resolved notifications.
	 */

	/**
	 * Collection of all global notifications.
	 *
	 * @alias wp.customize.notifications
	 *
	 * @since 4.9.0
	 *
	 * @type {Function}
	 * @param {...string} codes - One or more codes for notifications to obtain.
	 * @param {deferredNotificationsCallback} [callback] - Function called when all supplied notifications exist.
	 * @return {wp.customize.Notification|undefined|jQuery.promise} Notification instance or undefined (if function called with one code param),
	 *                                                              or promise resolving to requested notifications.
	 *
	 * @example <caption>Check if existing notification</caption>
	 * exists = wp.customize.notifications.has( 'a_new_day_arrived' );
	 *
	 * @example <caption>Obtain existing notification</caption>
	 * notification = wp.customize.notifications( 'a_new_day_arrived' );
	 *
	 * @example <caption>Obtain notification that may not exist yet.</caption>
	 * wp.customize.notifications( 'a_new_day_arrived', function( notification ) { ... } );
	 *
	 * @example <caption>Add a warning notification.</caption>
	 * wp.customize.notifications.add( new wp.customize.Notification( 'midnight_almost_here', {
	 *     type: 'warning',
	 *     message: 'Midnight has almost arrived!',
	 *     dismissible: true
	 * } ) );
	 *
	 * @example <caption>Remove a notification.</caption>
	 * wp.customize.notifications.remove( 'a_new_day_arrived' );
	 *
	 * @see {@link wp.customize.control} for further examples of how to interact with {@link wp.customize.Values} instances.
	 */
	api.notifications = new api.Notifications();

	api.PreviewFrame = api.Messenger.extend(/** @lends wp.customize.PreviewFrame.prototype */{
		sensitivity: null, // Will get set to api.settings.timeouts.previewFrameSensitivity.

		/**
		 * An object that fetches a preview in the background of the document, which
		 * allows for seamless replacement of an existing preview.
		 *
		 * @constructs wp.customize.PreviewFrame
		 * @augments   wp.customize.Messenger
		 *
		 * @param {Object} params.container
		 * @param {Object} params.previewUrl
		 * @param {Object} params.query
		 * @param {Object} options
		 */
		initialize: function( params, options ) {
			var deferred = $.Deferred();

			/*
			 * Make the instance of the PreviewFrame the promise object
			 * so other objects can easily interact with it.
			 */
			deferred.promise( this );

			this.container = params.container;

			$.extend( params, { channel: api.PreviewFrame.uuid() });

			api.Messenger.prototype.initialize.call( this, params, options );

			this.add( 'previewUrl', params.previewUrl );

			this.query = $.extend( params.query || {}, { customize_messenger_channel: this.channel() });

			this.run( deferred );
		},

		/**
		 * Run the preview request.
		 *
		 * @param {Object} deferred jQuery Deferred object to be resolved with
		 *                          the request.
		 */
		run: function( deferred ) {
			var previewFrame = this,
				loaded = false,
				ready = false,
				readyData = null,
				hasPendingChangesetUpdate = '{}' !== previewFrame.query.customized,
				urlParser,
				params,
				form;

			if ( previewFrame._ready ) {
				previewFrame.unbind( 'ready', previewFrame._ready );
			}

			previewFrame._ready = function( data ) {
				ready = true;
				readyData = data;
				previewFrame.container.addClass( 'iframe-ready' );
				if ( ! data ) {
					return;
				}

				if ( loaded ) {
					deferred.resolveWith( previewFrame, [ data ] );
				}
			};

			previewFrame.bind( 'ready', previewFrame._ready );

			urlParser = document.createElement( 'a' );
			urlParser.href = previewFrame.previewUrl();

			params = _.extend(
				api.utils.parseQueryString( urlParser.search.substr( 1 ) ),
				{
					customize_changeset_uuid: previewFrame.query.customize_changeset_uuid,
					customize_theme: previewFrame.query.customize_theme,
					customize_messenger_channel: previewFrame.query.customize_messenger_channel
				}
			);
			if ( api.settings.changeset.autosaved || ! api.state( 'saved' ).get() ) {
				params.customize_autosaved = 'on';
			}

			urlParser.search = $.param( params );
			previewFrame.iframe = $( '<iframe />', {
				title: api.l10n.previewIframeTitle,
				name: 'customize-' + previewFrame.channel()
			} );
			previewFrame.iframe.attr( 'onmousewheel', '' ); // Workaround for Safari bug. See WP Trac #38149.
			previewFrame.iframe.attr( 'sandbox', 'allow-forms allow-modals allow-orientation-lock allow-pointer-lock allow-popups allow-popups-to-escape-sandbox allow-presentation allow-same-origin allow-scripts' );

			if ( ! hasPendingChangesetUpdate ) {
				previewFrame.iframe.attr( 'src', urlParser.href );
			} else {
				previewFrame.iframe.attr( 'data-src', urlParser.href ); // For debugging purposes.
			}

			previewFrame.iframe.appendTo( previewFrame.container );
			previewFrame.targetWindow( previewFrame.iframe[0].contentWindow );

			/*
			 * Submit customized data in POST request to preview frame window since
			 * there are setting value changes not yet written to changeset.
			 */
			if ( hasPendingChangesetUpdate ) {
				form = $( '<form>', {
					action: urlParser.href,
					target: previewFrame.iframe.attr( 'name' ),
					method: 'post',
					hidden: 'hidden'
				} );
				form.append( $( '<input>', {
					type: 'hidden',
					name: '_method',
					value: 'GET'
				} ) );
				_.each( previewFrame.query, function( value, key ) {
					form.append( $( '<input>', {
						type: 'hidden',
						name: key,
						value: value
					} ) );
				} );
				previewFrame.container.append( form );
				form.trigger( 'submit' );
				form.remove(); // No need to keep the form around after submitted.
			}

			previewFrame.bind( 'iframe-loading-error', function( error ) {
				previewFrame.iframe.remove();

				// Check if the user is not logged in.
				if ( 0 === error ) {
					previewFrame.login( deferred );
					return;
				}

				// Check for cheaters.
				if ( -1 === error ) {
					deferred.rejectWith( previewFrame, [ 'cheatin' ] );
					return;
				}

				deferred.rejectWith( previewFrame, [ 'request failure' ] );
			} );

			previewFrame.iframe.one( 'load', function() {
				loaded = true;

				if ( ready ) {
					deferred.resolveWith( previewFrame, [ readyData ] );
				} else {
					setTimeout( function() {
						deferred.rejectWith( previewFrame, [ 'ready timeout' ] );
					}, previewFrame.sensitivity );
				}
			});
		},

		login: function( deferred ) {
			var self = this,
				reject;

			reject = function() {
				deferred.rejectWith( self, [ 'logged out' ] );
			};

			if ( this.triedLogin ) {
				return reject();
			}

			// Check if we have an admin cookie.
			$.get( api.settings.url.ajax, {
				action: 'logged-in'
			}).fail( reject ).done( function( response ) {
				var iframe;

				if ( '1' !== response ) {
					reject();
				}

				iframe = $( '<iframe />', { 'src': self.previewUrl(), 'title': api.l10n.previewIframeTitle } ).hide();
				iframe.appendTo( self.container );
				iframe.on( 'load', function() {
					self.triedLogin = true;

					iframe.remove();
					self.run( deferred );
				});
			});
		},

		destroy: function() {
			api.Messenger.prototype.destroy.call( this );

			if ( this.iframe ) {
				this.iframe.remove();
			}

			delete this.iframe;
			delete this.targetWindow;
		}
	});

	(function(){
		var id = 0;
		/**
		 * Return an incremented ID for a preview messenger channel.
		 *
		 * This function is named "uuid" for historical reasons, but it is a
		 * misnomer as it is not an actual UUID, and it is not universally unique.
		 * This is not to be confused with `api.settings.changeset.uuid`.
		 *
		 * @return {string}
		 */
		api.PreviewFrame.uuid = function() {
			return 'preview-' + String( id++ );
		};
	}());

	/**
	 * Set the document title of the customizer.
	 *
	 * @alias wp.customize.setDocumentTitle
	 *
	 * @since 4.1.0
	 *
	 * @param {string} documentTitle
	 */
	api.setDocumentTitle = function ( documentTitle ) {
		var tmpl, title;
		tmpl = api.settings.documentTitleTmpl;
		title = tmpl.replace( '%s', documentTitle );
		document.title = title;
		api.trigger( 'title', title );
	};

	api.Previewer = api.Messenger.extend(/** @lends wp.customize.Previewer.prototype */{
		refreshBuffer: null, // Will get set to api.settings.timeouts.windowRefresh.

		/**
		 * @constructs wp.customize.Previewer
		 * @augments   wp.customize.Messenger
		 *
		 * @param {Array}  params.allowedUrls
		 * @param {string} params.container   A selector or jQuery element for the preview
		 *                                    frame to be placed.
		 * @param {string} params.form
		 * @param {string} params.previewUrl  The URL to preview.
		 * @param {Object} options
		 */
		initialize: function( params, options ) {
			var previewer = this,
				urlParser = document.createElement( 'a' );

			$.extend( previewer, options || {} );
			previewer.deferred = {
				active: $.Deferred()
			};

			// Debounce to prevent hammering server and then wait for any pending update requests.
			previewer.refresh = _.debounce(
				( function( originalRefresh ) {
					return function() {
						var isProcessingComplete, refreshOnceProcessingComplete;
						isProcessingComplete = function() {
							return 0 === api.state( 'processing' ).get();
						};
						if ( isProcessingComplete() ) {
							originalRefresh.call( previewer );
						} else {
							refreshOnceProcessingComplete = function() {
								if ( isProcessingComplete() ) {
									originalRefresh.call( previewer );
									api.state( 'processing' ).unbind( refreshOnceProcessingComplete );
								}
							};
							api.state( 'processing' ).bind( refreshOnceProcessingComplete );
						}
					};
				}( previewer.refresh ) ),
				previewer.refreshBuffer
			);

			previewer.container   = api.ensure( params.container );
			previewer.allowedUrls = params.allowedUrls;

			params.url = window.location.href;

			api.Messenger.prototype.initialize.call( previewer, params );

			urlParser.href = previewer.origin();
			previewer.add( 'scheme', urlParser.protocol.replace( /:$/, '' ) );

			/*
			 * Limit the URL to internal, front-end links.
			 *
			 * If the front end and the admin are served from the same domain, load the
			 * preview over ssl if the Customizer is being loaded over ssl. This avoids
			 * insecure content warnings. This is not attempted if the admin and front end
			 * are on different domains to avoid the case where the front end doesn't have
			 * ssl certs.
			 */

			previewer.add( 'previewUrl', params.previewUrl ).setter( function( to ) {
				var result = null, urlParser, queryParams, parsedAllowedUrl, parsedCandidateUrls = [];
				urlParser = document.createElement( 'a' );
				urlParser.href = to;

				// Abort if URL is for admin or (static) files in wp-includes or wp-content.
				if ( /\/wp-(admin|includes|content)(\/|$)/.test( urlParser.pathname ) ) {
					return null;
				}

				// Remove state query params.
				if ( urlParser.search.length > 1 ) {
					queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
					delete queryParams.customize_changeset_uuid;
					delete queryParams.customize_theme;
					delete queryParams.customize_messenger_channel;
					delete queryParams.customize_autosaved;
					if ( _.isEmpty( queryParams ) ) {
						urlParser.search = '';
					} else {
						urlParser.search = $.param( queryParams );
					}
				}

				parsedCandidateUrls.push( urlParser );

				// Prepend list with URL that matches the scheme/protocol of the iframe.
				if ( previewer.scheme.get() + ':' !== urlParser.protocol ) {
					urlParser = document.createElement( 'a' );
					urlParser.href = parsedCandidateUrls[0].href;
					urlParser.protocol = previewer.scheme.get() + ':';
					parsedCandidateUrls.unshift( urlParser );
				}

				// Attempt to match the URL to the control frame's scheme and check if it's allowed. If not, try the original URL.
				parsedAllowedUrl = document.createElement( 'a' );
				_.find( parsedCandidateUrls, function( parsedCandidateUrl ) {
					return ! _.isUndefined( _.find( previewer.allowedUrls, function( allowedUrl ) {
						parsedAllowedUrl.href = allowedUrl;
						if ( urlParser.protocol === parsedAllowedUrl.protocol && urlParser.host === parsedAllowedUrl.host && 0 === urlParser.pathname.indexOf( parsedAllowedUrl.pathname.replace( /\/$/, '' ) ) ) {
							result = parsedCandidateUrl.href;
							return true;
						}
					} ) );
				} );

				return result;
			});

			previewer.bind( 'ready', previewer.ready );

			// Start listening for keep-alive messages when iframe first loads.
			previewer.deferred.active.done( _.bind( previewer.keepPreviewAlive, previewer ) );

			previewer.bind( 'synced', function() {
				previewer.send( 'active' );
			} );

			// Refresh the preview when the URL is changed (but not yet).
			previewer.previewUrl.bind( previewer.refresh );

			previewer.scroll = 0;
			previewer.bind( 'scroll', function( distance ) {
				previewer.scroll = distance;
			});

			// Update the URL when the iframe sends a URL message, resetting scroll position. If URL is unchanged, then refresh.
			previewer.bind( 'url', function( url ) {
				var onUrlChange, urlChanged = false;
				previewer.scroll = 0;
				onUrlChange = function() {
					urlChanged = true;
				};
				previewer.previewUrl.bind( onUrlChange );
				previewer.previewUrl.set( url );
				previewer.previewUrl.unbind( onUrlChange );
				if ( ! urlChanged ) {
					previewer.refresh();
				}
			} );

			// Update the document title when the preview changes.
			previewer.bind( 'documentTitle', function ( title ) {
				api.setDocumentTitle( title );
			} );
		},

		/**
		 * Handle the preview receiving the ready message.
		 *
		 * @since 4.7.0
		 * @access public
		 *
		 * @param {Object} data - Data from preview.
		 * @param {string} data.currentUrl - Current URL.
		 * @param {Object} data.activePanels - Active panels.
		 * @param {Object} data.activeSections Active sections.
		 * @param {Object} data.activeControls Active controls.
		 * @return {void}
		 */
		ready: function( data ) {
			var previewer = this, synced = {}, constructs;

			synced.settings = api.get();
			synced['settings-modified-while-loading'] = previewer.settingsModifiedWhileLoading;
			if ( 'resolved' !== previewer.deferred.active.state() || previewer.loading ) {
				synced.scroll = previewer.scroll;
			}
			synced['edit-shortcut-visibility'] = api.state( 'editShortcutVisibility' ).get();
			previewer.send( 'sync', synced );

			// Set the previewUrl without causing the url to set the iframe.
			if ( data.currentUrl ) {
				previewer.previewUrl.unbind( previewer.refresh );
				previewer.previewUrl.set( data.currentUrl );
				previewer.previewUrl.bind( previewer.refresh );
			}

			/*
			 * Walk over all panels, sections, and controls and set their
			 * respective active states to true if the preview explicitly
			 * indicates as such.
			 */
			constructs = {
				panel: data.activePanels,
				section: data.activeSections,
				control: data.activeControls
			};
			_( constructs ).each( function ( activeConstructs, type ) {
				api[ type ].each( function ( construct, id ) {
					var isDynamicallyCreated = _.isUndefined( api.settings[ type + 's' ][ id ] );

					/*
					 * If the construct was created statically in PHP (not dynamically in JS)
					 * then consider a missing (undefined) value in the activeConstructs to
					 * mean it should be deactivated (since it is gone). But if it is
					 * dynamically created then only toggle activation if the value is defined,
					 * as this means that the construct was also then correspondingly
					 * created statically in PHP and the active callback is available.
					 * Otherwise, dynamically-created constructs should normally have
					 * their active states toggled in JS rather than from PHP.
					 */
					if ( ! isDynamicallyCreated || ! _.isUndefined( activeConstructs[ id ] ) ) {
						if ( activeConstructs[ id ] ) {
							construct.activate();
						} else {
							construct.deactivate();
						}
					}
				} );
			} );

			if ( data.settingValidities ) {
				api._handleSettingValidities( {
					settingValidities: data.settingValidities,
					focusInvalidControl: false
				} );
			}
		},

		/**
		 * Keep the preview alive by listening for ready and keep-alive messages.
		 *
		 * If a message is not received in the allotted time then the iframe will be set back to the last known valid URL.
		 *
		 * @since 4.7.0
		 * @access public
		 *
		 * @return {void}
		 */
		keepPreviewAlive: function keepPreviewAlive() {
			var previewer = this, keepAliveTick, timeoutId, handleMissingKeepAlive, scheduleKeepAliveCheck;

			/**
			 * Schedule a preview keep-alive check.
			 *
			 * Note that if a page load takes longer than keepAliveCheck milliseconds,
			 * the keep-alive messages will still be getting sent from the previous
			 * URL.
			 */
			scheduleKeepAliveCheck = function() {
				timeoutId = setTimeout( handleMissingKeepAlive, api.settings.timeouts.keepAliveCheck );
			};

			/**
			 * Set the previewerAlive state to true when receiving a message from the preview.
			 */
			keepAliveTick = function() {
				api.state( 'previewerAlive' ).set( true );
				clearTimeout( timeoutId );
				scheduleKeepAliveCheck();
			};

			/**
			 * Set the previewerAlive state to false if keepAliveCheck milliseconds have transpired without a message.
			 *
			 * This is most likely to happen in the case of a connectivity error, or if the theme causes the browser
			 * to navigate to a non-allowed URL. Setting this state to false will force settings with a postMessage
			 * transport to use refresh instead, causing the preview frame also to be replaced with the current
			 * allowed preview URL.
			 */
			handleMissingKeepAlive = function() {
				api.state( 'previewerAlive' ).set( false );
			};
			scheduleKeepAliveCheck();

			previewer.bind( 'ready', keepAliveTick );
			previewer.bind( 'keep-alive', keepAliveTick );
		},

		/**
		 * Query string data sent with each preview request.
		 *
		 * @abstract
		 */
		query: function() {},

		abort: function() {
			if ( this.loading ) {
				this.loading.destroy();
				delete this.loading;
			}
		},

		/**
		 * Refresh the preview seamlessly.
		 *
		 * @since 3.4.0
		 * @access public
		 *
		 * @return {void}
		 */
		refresh: function() {
			var previewer = this, onSettingChange;

			// Display loading indicator.
			previewer.send( 'loading-initiated' );

			previewer.abort();

			previewer.loading = new api.PreviewFrame({
				url:        previewer.url(),
				previewUrl: previewer.previewUrl(),
				query:      previewer.query( { excludeCustomizedSaved: true } ) || {},
				container:  previewer.container
			});

			previewer.settingsModifiedWhileLoading = {};
			onSettingChange = function( setting ) {
				previewer.settingsModifiedWhileLoading[ setting.id ] = true;
			};
			api.bind( 'change', onSettingChange );
			previewer.loading.always( function() {
				api.unbind( 'change', onSettingChange );
			} );

			previewer.loading.done( function( readyData ) {
				var loadingFrame = this, onceSynced;

				previewer.preview = loadingFrame;
				previewer.targetWindow( loadingFrame.targetWindow() );
				previewer.channel( loadingFrame.channel() );

				onceSynced = function() {
					loadingFrame.unbind( 'synced', onceSynced );
					if ( previewer._previousPreview ) {
						previewer._previousPreview.destroy();
					}
					previewer._previousPreview = previewer.preview;
					previewer.deferred.active.resolve();
					delete previewer.loading;
				};
				loadingFrame.bind( 'synced', onceSynced );

				// This event will be received directly by the previewer in normal navigation; this is only needed for seamless refresh.
				previewer.trigger( 'ready', readyData );
			});

			previewer.loading.fail( function( reason ) {
				previewer.send( 'loading-failed' );

				if ( 'logged out' === reason ) {
					if ( previewer.preview ) {
						previewer.preview.destroy();
						delete previewer.preview;
					}

					previewer.login().done( previewer.refresh );
				}

				if ( 'cheatin' === reason ) {
					previewer.cheatin();
				}
			});
		},

		login: function() {
			var previewer = this,
				deferred, messenger, iframe;

			if ( this._login ) {
				return this._login;
			}

			deferred = $.Deferred();
			this._login = deferred.promise();

			messenger = new api.Messenger({
				channel: 'login',
				url:     api.settings.url.login
			});

			iframe = $( '<iframe />', { 'src': api.settings.url.login, 'title': api.l10n.loginIframeTitle } ).appendTo( this.container );

			messenger.targetWindow( iframe[0].contentWindow );

			messenger.bind( 'login', function () {
				var refreshNonces = previewer.refreshNonces();

				refreshNonces.always( function() {
					iframe.remove();
					messenger.destroy();
					delete previewer._login;
				});

				refreshNonces.done( function() {
					deferred.resolve();
				});

				refreshNonces.fail( function() {
					previewer.cheatin();
					deferred.reject();
				});
			});

			return this._login;
		},

		cheatin: function() {
			$( document.body ).empty().addClass( 'cheatin' ).append(
				'<h1>' + api.l10n.notAllowedHeading + '</h1>' +
				'<p>' + api.l10n.notAllowed + '</p>'
			);
		},

		refreshNonces: function() {
			var request, deferred = $.Deferred();

			deferred.promise();

			request = wp.ajax.post( 'customize_refresh_nonces', {
				wp_customize: 'on',
				customize_theme: api.settings.theme.stylesheet
			});

			request.done( function( response ) {
				api.trigger( 'nonce-refresh', response );
				deferred.resolve();
			});

			request.fail( function() {
				deferred.reject();
			});

			return deferred;
		}
	});

	api.settingConstructor = {};
	api.controlConstructor = {
		color:               api.ColorControl,
		media:               api.MediaControl,
		upload:              api.UploadControl,
		image:               api.ImageControl,
		cropped_image:       api.CroppedImageControl,
		site_icon:           api.SiteIconControl,
		header:              api.HeaderControl,
		background:          api.BackgroundControl,
		background_position: api.BackgroundPositionControl,
		theme:               api.ThemeControl,
		date_time:           api.DateTimeControl,
		code_editor:         api.CodeEditorControl
	};
	api.panelConstructor = {
		themes: api.ThemesPanel
	};
	api.sectionConstructor = {
		themes: api.ThemesSection,
		outer: api.OuterSection
	};

	/**
	 * Handle setting_validities in an error response for the customize-save request.
	 *
	 * Add notifications to the settings and focus on the first control that has an invalid setting.
	 *
	 * @alias wp.customize._handleSettingValidities
	 *
	 * @since 4.6.0
	 * @private
	 *
	 * @param {Object}  args
	 * @param {Object}  args.settingValidities
	 * @param {boolean} [args.focusInvalidControl=false]
	 * @return {void}
	 */
	api._handleSettingValidities = function handleSettingValidities( args ) {
		var invalidSettingControls, invalidSettings = [], wasFocused = false;

		// Find the controls that correspond to each invalid setting.
		_.each( args.settingValidities, function( validity, settingId ) {
			var setting = api( settingId );
			if ( setting ) {

				// Add notifications for invalidities.
				if ( _.isObject( validity ) ) {
					_.each( validity, function( params, code ) {
						var notification, existingNotification, needsReplacement = false;
						notification = new api.Notification( code, _.extend( { fromServer: true }, params ) );

						// Remove existing notification if already exists for code but differs in parameters.
						existingNotification = setting.notifications( notification.code );
						if ( existingNotification ) {
							needsReplacement = notification.type !== existingNotification.type || notification.message !== existingNotification.message || ! _.isEqual( notification.data, existingNotification.data );
						}
						if ( needsReplacement ) {
							setting.notifications.remove( code );
						}

						if ( ! setting.notifications.has( notification.code ) ) {
							setting.notifications.add( notification );
						}
						invalidSettings.push( setting.id );
					} );
				}

				// Remove notification errors that are no longer valid.
				setting.notifications.each( function( notification ) {
					if ( notification.fromServer && 'error' === notification.type && ( true === validity || ! validity[ notification.code ] ) ) {
						setting.notifications.remove( notification.code );
					}
				} );
			}
		} );

		if ( args.focusInvalidControl ) {
			invalidSettingControls = api.findControlsForSettings( invalidSettings );

			// Focus on the first control that is inside of an expanded section (one that is visible).
			_( _.values( invalidSettingControls ) ).find( function( controls ) {
				return _( controls ).find( function( control ) {
					var isExpanded = control.section() && api.section.has( control.section() ) && api.section( control.section() ).expanded();
					if ( isExpanded && control.expanded ) {
						isExpanded = control.expanded();
					}
					if ( isExpanded ) {
						control.focus();
						wasFocused = true;
					}
					return wasFocused;
				} );
			} );

			// Focus on the first invalid control.
			if ( ! wasFocused && ! _.isEmpty( invalidSettingControls ) ) {
				_.values( invalidSettingControls )[0][0].focus();
			}
		}
	};

	/**
	 * Find all controls associated with the given settings.
	 *
	 * @alias wp.customize.findControlsForSettings
	 *
	 * @since 4.6.0
	 * @param {string[]} settingIds Setting IDs.
	 * @return {Object<string, wp.customize.Control>} Mapping setting ids to arrays of controls.
	 */
	api.findControlsForSettings = function findControlsForSettings( settingIds ) {
		var controls = {}, settingControls;
		_.each( _.unique( settingIds ), function( settingId ) {
			var setting = api( settingId );
			if ( setting ) {
				settingControls = setting.findControls();
				if ( settingControls && settingControls.length > 0 ) {
					controls[ settingId ] = settingControls;
				}
			}
		} );
		return controls;
	};

	/**
	 * Sort panels, sections, controls by priorities. Hide empty sections and panels.
	 *
	 * @alias wp.customize.reflowPaneContents
	 *
	 * @since 4.1.0
	 */
	api.reflowPaneContents = _.bind( function () {

		var appendContainer, activeElement, rootHeadContainers, rootNodes = [], wasReflowed = false;

		if ( document.activeElement ) {
			activeElement = $( document.activeElement );
		}

		// Sort the sections within each panel.
		api.panel.each( function ( panel ) {
			if ( 'themes' === panel.id ) {
				return; // Don't reflow theme sections, as doing so moves them after the themes container.
			}

			var sections = panel.sections(),
				sectionHeadContainers = _.pluck( sections, 'headContainer' );
			rootNodes.push( panel );
			appendContainer = ( panel.contentContainer.is( 'ul' ) ) ? panel.contentContainer : panel.contentContainer.find( 'ul:first' );
			if ( ! api.utils.areElementListsEqual( sectionHeadContainers, appendContainer.children( '[id]' ) ) ) {
				_( sections ).each( function ( section ) {
					appendContainer.append( section.headContainer );
				} );
				wasReflowed = true;
			}
		} );

		// Sort the controls within each section.
		api.section.each( function ( section ) {
			var controls = section.controls(),
				controlContainers = _.pluck( controls, 'container' );
			if ( ! section.panel() ) {
				rootNodes.push( section );
			}
			appendContainer = ( section.contentContainer.is( 'ul' ) ) ? section.contentContainer : section.contentContainer.find( 'ul:first' );
			if ( ! api.utils.areElementListsEqual( controlContainers, appendContainer.children( '[id]' ) ) ) {
				_( controls ).each( function ( control ) {
					appendContainer.append( control.container );
				} );
				wasReflowed = true;
			}
		} );

		// Sort the root panels and sections.
		rootNodes.sort( api.utils.prioritySort );
		rootHeadContainers = _.pluck( rootNodes, 'headContainer' );
		appendContainer = $( '#customize-theme-controls .customize-pane-parent' ); // @todo This should be defined elsewhere, and to be configurable.
		if ( ! api.utils.areElementListsEqual( rootHeadContainers, appendContainer.children() ) ) {
			_( rootNodes ).each( function ( rootNode ) {
				appendContainer.append( rootNode.headContainer );
			} );
			wasReflowed = true;
		}

		// Now re-trigger the active Value callbacks so that the panels and sections can decide whether they can be rendered.
		api.panel.each( function ( panel ) {
			var value = panel.active();
			panel.active.callbacks.fireWith( panel.active, [ value, value ] );
		} );
		api.section.each( function ( section ) {
			var value = section.active();
			section.active.callbacks.fireWith( section.active, [ value, value ] );
		} );

		// Restore focus if there was a reflow and there was an active (focused) element.
		if ( wasReflowed && activeElement ) {
			activeElement.trigger( 'focus' );
		}
		api.trigger( 'pane-contents-reflowed' );
	}, api );

	// Define state values.
	api.state = new api.Values();
	_.each( [
		'saved',
		'saving',
		'trashing',
		'activated',
		'processing',
		'paneVisible',
		'expandedPanel',
		'expandedSection',
		'changesetDate',
		'selectedChangesetDate',
		'changesetStatus',
		'selectedChangesetStatus',
		'remainingTimeToPublish',
		'previewerAlive',
		'editShortcutVisibility',
		'changesetLocked',
		'previewedDevice'
	], function( name ) {
		api.state.create( name );
	});

	$( function() {
		api.settings = window._wpCustomizeSettings;
		api.l10n = window._wpCustomizeControlsL10n;

		// Check if we can run the Customizer.
		if ( ! api.settings ) {
			return;
		}

		// Bail if any incompatibilities are found.
		if ( ! $.support.postMessage || ( ! $.support.cors && api.settings.isCrossDomain ) ) {
			return;
		}

		if ( null === api.PreviewFrame.prototype.sensitivity ) {
			api.PreviewFrame.prototype.sensitivity = api.settings.timeouts.previewFrameSensitivity;
		}
		if ( null === api.Previewer.prototype.refreshBuffer ) {
			api.Previewer.prototype.refreshBuffer = api.settings.timeouts.windowRefresh;
		}

		var parent,
			body = $( document.body ),
			overlay = body.children( '.wp-full-overlay' ),
			title = $( '#customize-info .panel-title.site-title' ),
			closeBtn = $( '.customize-controls-close' ),
			saveBtn = $( '#save' ),
			btnWrapper = $( '#customize-save-button-wrapper' ),
			publishSettingsBtn = $( '#publish-settings' ),
			footerActions = $( '#customize-footer-actions' );

		// Add publish settings section in JS instead of PHP since the Customizer depends on it to function.
		api.bind( 'ready', function() {
			api.section.add( new api.OuterSection( 'publish_settings', {
				title: api.l10n.publishSettings,
				priority: 0,
				active: api.settings.theme.active
			} ) );
		} );

		// Set up publish settings section and its controls.
		api.section( 'publish_settings', function( section ) {
			var updateButtonsState, trashControl, updateSectionActive, isSectionActive, statusControl, dateControl, toggleDateControl, publishWhenTime, pollInterval, updateTimeArrivedPoller, cancelScheduleButtonReminder, timeArrivedPollingInterval = 1000;

			trashControl = new api.Control( 'trash_changeset', {
				type: 'button',
				section: section.id,
				priority: 30,
				input_attrs: {
					'class': 'button-link button-link-delete',
					value: api.l10n.discardChanges
				}
			} );
			api.control.add( trashControl );
			trashControl.deferred.embedded.done( function() {
				trashControl.container.find( '.button-link' ).on( 'click', function() {
					if ( confirm( api.l10n.trashConfirm ) ) {
						wp.customize.previewer.trash();
					}
				} );
			} );

			api.control.add( new api.PreviewLinkControl( 'changeset_preview_link', {
				section: section.id,
				priority: 100
			} ) );

			/**
			 * Return whether the publish settings section should be active.
			 *
			 * @return {boolean} Is section active.
			 */
			isSectionActive = function() {
				if ( ! api.state( 'activated' ).get() ) {
					return false;
				}
				if ( api.state( 'trashing' ).get() || 'trash' === api.state( 'changesetStatus' ).get() ) {
					return false;
				}
				if ( '' === api.state( 'changesetStatus' ).get() && api.state( 'saved' ).get() ) {
					return false;
				}
				return true;
			};

			// Make sure publish settings are not available while the theme is not active and the customizer is in a published state.
			section.active.validate = isSectionActive;
			updateSectionActive = function() {
				section.active.set( isSectionActive() );
			};
			api.state( 'activated' ).bind( updateSectionActive );
			api.state( 'trashing' ).bind( updateSectionActive );
			api.state( 'saved' ).bind( updateSectionActive );
			api.state( 'changesetStatus' ).bind( updateSectionActive );
			updateSectionActive();

			// Bind visibility of the publish settings button to whether the section is active.
			updateButtonsState = function() {
				publishSettingsBtn.toggle( section.active.get() );
				saveBtn.toggleClass( 'has-next-sibling', section.active.get() );
			};
			updateButtonsState();
			section.active.bind( updateButtonsState );

			function highlightScheduleButton() {
				if ( ! cancelScheduleButtonReminder ) {
					cancelScheduleButtonReminder = api.utils.highlightButton( btnWrapper, {
						delay: 1000,

						/*
						 * Only abort the reminder when the save button is focused.
						 * If the user clicks the settings button to toggle the
						 * settings closed, we'll still remind them.
						 */
						focusTarget: saveBtn
					} );
				}
			}
			function cancelHighlightScheduleButton() {
				if ( cancelScheduleButtonReminder ) {
					cancelScheduleButtonReminder();
					cancelScheduleButtonReminder = null;
				}
			}
			api.state( 'selectedChangesetStatus' ).bind( cancelHighlightScheduleButton );

			section.contentContainer.find( '.customize-action' ).text( api.l10n.updating );
			section.contentContainer.find( '.customize-section-back' ).removeAttr( 'tabindex' );
			publishSettingsBtn.prop( 'disabled', false );

			publishSettingsBtn.on( 'click', function( event ) {
				event.preventDefault();
				section.expanded.set( ! section.expanded.get() );
			} );

			section.expanded.bind( function( isExpanded ) {
				var defaultChangesetStatus;
				publishSettingsBtn.attr( 'aria-expanded', String( isExpanded ) );
				publishSettingsBtn.toggleClass( 'active', isExpanded );

				if ( isExpanded ) {
					cancelHighlightScheduleButton();
					return;
				}

				defaultChangesetStatus = api.state( 'changesetStatus' ).get();
				if ( '' === defaultChangesetStatus || 'auto-draft' === defaultChangesetStatus ) {
					defaultChangesetStatus = 'publish';
				}

				if ( api.state( 'selectedChangesetStatus' ).get() !== defaultChangesetStatus ) {
					highlightScheduleButton();
				} else if ( 'future' === api.state( 'selectedChangesetStatus' ).get() && api.state( 'selectedChangesetDate' ).get() !== api.state( 'changesetDate' ).get() ) {
					highlightScheduleButton();
				}
			} );

			statusControl = new api.Control( 'changeset_status', {
				priority: 10,
				type: 'radio',
				section: 'publish_settings',
				setting: api.state( 'selectedChangesetStatus' ),
				templateId: 'customize-selected-changeset-status-control',
				label: api.l10n.action,
				choices: api.settings.changeset.statusChoices
			} );
			api.control.add( statusControl );

			dateControl = new api.DateTimeControl( 'changeset_scheduled_date', {
				priority: 20,
				section: 'publish_settings',
				setting: api.state( 'selectedChangesetDate' ),
				minYear: ( new Date() ).getFullYear(),
				allowPastDate: false,
				includeTime: true,
				twelveHourFormat: /a/i.test( api.settings.timeFormat ),
				description: api.l10n.scheduleDescription
			} );
			dateControl.notifications.alt = true;
			api.control.add( dateControl );

			publishWhenTime = function() {
				api.state( 'selectedChangesetStatus' ).set( 'publish' );
				api.previewer.save();
			};

			// Start countdown for when the dateTime arrives, or clear interval when it is .
			updateTimeArrivedPoller = function() {
				var shouldPoll = (
					'future' === api.state( 'changesetStatus' ).get() &&
					'future' === api.state( 'selectedChangesetStatus' ).get() &&
					api.state( 'changesetDate' ).get() &&
					api.state( 'selectedChangesetDate' ).get() === api.state( 'changesetDate' ).get() &&
					api.utils.getRemainingTime( api.state( 'changesetDate' ).get() ) >= 0
				);

				if ( shouldPoll && ! pollInterval ) {
					pollInterval = setInterval( function() {
						var remainingTime = api.utils.getRemainingTime( api.state( 'changesetDate' ).get() );
						api.state( 'remainingTimeToPublish' ).set( remainingTime );
						if ( remainingTime <= 0 ) {
							clearInterval( pollInterval );
							pollInterval = 0;
							publishWhenTime();
						}
					}, timeArrivedPollingInterval );
				} else if ( ! shouldPoll && pollInterval ) {
					clearInterval( pollInterval );
					pollInterval = 0;
				}
			};

			api.state( 'changesetDate' ).bind( updateTimeArrivedPoller );
			api.state( 'selectedChangesetDate' ).bind( updateTimeArrivedPoller );
			api.state( 'changesetStatus' ).bind( updateTimeArrivedPoller );
			api.state( 'selectedChangesetStatus' ).bind( updateTimeArrivedPoller );
			updateTimeArrivedPoller();

			// Ensure dateControl only appears when selected status is future.
			dateControl.active.validate = function() {
				return 'future' === api.state( 'selectedChangesetStatus' ).get();
			};
			toggleDateControl = function( value ) {
				dateControl.active.set( 'future' === value );
			};
			toggleDateControl( api.state( 'selectedChangesetStatus' ).get() );
			api.state( 'selectedChangesetStatus' ).bind( toggleDateControl );

			// Show notification on date control when status is future but it isn't a future date.
			api.state( 'saving' ).bind( function( isSaving ) {
				if ( isSaving && 'future' === api.state( 'selectedChangesetStatus' ).get() ) {
					dateControl.toggleFutureDateNotification( ! dateControl.isFutureDate() );
				}
			} );
		} );

		// Prevent the form from saving when enter is pressed on an input or select element.
		$('#customize-controls').on( 'keydown', function( e ) {
			var isEnter = ( 13 === e.which ),
				$el = $( e.target );

			if ( isEnter && ( $el.is( 'input:not([type=button])' ) || $el.is( 'select' ) ) ) {
				e.preventDefault();
			}
		});

		// Expand/Collapse the main customizer customize info.
		$( '.customize-info' ).find( '> .accordion-section-title .customize-help-toggle' ).on( 'click', function() {
			var section = $( this ).closest( '.accordion-section' ),
				content = section.find( '.customize-panel-description:first' );

			if ( section.hasClass( 'cannot-expand' ) ) {
				return;
			}

			if ( section.hasClass( 'open' ) ) {
				section.toggleClass( 'open' );
				content.slideUp( api.Panel.prototype.defaultExpandedArguments.duration, function() {
					content.trigger( 'toggled' );
				} );
				$( this ).attr( 'aria-expanded', false );
			} else {
				content.slideDown( api.Panel.prototype.defaultExpandedArguments.duration, function() {
					content.trigger( 'toggled' );
				} );
				section.toggleClass( 'open' );
				$( this ).attr( 'aria-expanded', true );
			}
		});

		/**
		 * Initialize Previewer
		 *
		 * @alias wp.customize.previewer
		 */
		api.previewer = new api.Previewer({
			container:   '#customize-preview',
			form:        '#customize-controls',
			previewUrl:  api.settings.url.preview,
			allowedUrls: api.settings.url.allowed
		},/** @lends wp.customize.previewer */{

			nonce: api.settings.nonce,

			/**
			 * Build the query to send along with the Preview request.
			 *
			 * @since 3.4.0
			 * @since 4.7.0 Added options param.
			 * @access public
			 *
			 * @param {Object}  [options] Options.
			 * @param {boolean} [options.excludeCustomizedSaved=false] Exclude saved settings in customized response (values pending writing to changeset).
			 * @return {Object} Query vars.
			 */
			query: function( options ) {
				var queryVars = {
					wp_customize: 'on',
					customize_theme: api.settings.theme.stylesheet,
					nonce: this.nonce.preview,
					customize_changeset_uuid: api.settings.changeset.uuid
				};
				if ( api.settings.changeset.autosaved || ! api.state( 'saved' ).get() ) {
					queryVars.customize_autosaved = 'on';
				}

				/*
				 * Exclude customized data if requested especially for calls to requestChangesetUpdate.
				 * Changeset updates are differential and so it is a performance waste to send all of
				 * the dirty settings with each update.
				 */
				queryVars.customized = JSON.stringify( api.dirtyValues( {
					unsaved: options && options.excludeCustomizedSaved
				} ) );

				return queryVars;
			},

			/**
			 * Save (and publish) the customizer changeset.
			 *
			 * Updates to the changeset are transactional. If any of the settings
			 * are invalid then none of them will be written into the changeset.
			 * A revision will be made for the changeset post if revisions support
			 * has been added to the post type.
			 *
			 * @since 3.4.0
			 * @since 4.7.0 Added args param and return value.
			 *
			 * @param {Object} [args] Args.
			 * @param {string} [args.status=publish] Status.
			 * @param {string} [args.date] Date, in local time in MySQL format.
			 * @param {string} [args.title] Title
			 * @return {jQuery.promise} Promise.
			 */
			save: function( args ) {
				var previewer = this,
					deferred = $.Deferred(),
					changesetStatus = api.state( 'selectedChangesetStatus' ).get(),
					selectedChangesetDate = api.state( 'selectedChangesetDate' ).get(),
					processing = api.state( 'processing' ),
					submitWhenDoneProcessing,
					submit,
					modifiedWhileSaving = {},
					invalidSettings = [],
					invalidControls = [],
					invalidSettingLessControls = [];

				if ( args && args.status ) {
					changesetStatus = args.status;
				}

				if ( api.state( 'saving' ).get() ) {
					deferred.reject( 'already_saving' );
					deferred.promise();
				}

				api.state( 'saving' ).set( true );

				function captureSettingModifiedDuringSave( setting ) {
					modifiedWhileSaving[ setting.id ] = true;
				}

				submit = function () {
					var request, query, settingInvalidities = {}, latestRevision = api._latestRevision, errorCode = 'client_side_error';

					api.bind( 'change', captureSettingModifiedDuringSave );
					api.notifications.remove( errorCode );

					/*
					 * Block saving if there are any settings that are marked as
					 * invalid from the client (not from the server). Focus on
					 * the control.
					 */
					api.each( function( setting ) {
						setting.notifications.each( function( notification ) {
							if ( 'error' === notification.type && ! notification.fromServer ) {
								invalidSettings.push( setting.id );
								if ( ! settingInvalidities[ setting.id ] ) {
									settingInvalidities[ setting.id ] = {};
								}
								settingInvalidities[ setting.id ][ notification.code ] = notification;
							}
						} );
					} );

					// Find all invalid setting less controls with notification type error.
					api.control.each( function( control ) {
						if ( ! control.setting || ! control.setting.id && control.active.get() ) {
							control.notifications.each( function( notification ) {
							    if ( 'error' === notification.type ) {
								    invalidSettingLessControls.push( [ control ] );
							    }
							} );
						}
					} );

					invalidControls = _.union( invalidSettingLessControls, _.values( api.findControlsForSettings( invalidSettings ) ) );
					if ( ! _.isEmpty( invalidControls ) ) {

						invalidControls[0][0].focus();
						api.unbind( 'change', captureSettingModifiedDuringSave );

						if ( invalidSettings.length ) {
							api.notifications.add( new api.Notification( errorCode, {
								message: ( 1 === invalidSettings.length ? api.l10n.saveBlockedError.singular : api.l10n.saveBlockedError.plural ).replace( /%s/g, String( invalidSettings.length ) ),
								type: 'error',
								dismissible: true,
								saveFailure: true
							} ) );
						}

						deferred.rejectWith( previewer, [
							{ setting_invalidities: settingInvalidities }
						] );
						api.state( 'saving' ).set( false );
						return deferred.promise();
					}

					/*
					 * Note that excludeCustomizedSaved is intentionally false so that the entire
					 * set of customized data will be included if bypassed changeset update.
					 */
					query = $.extend( previewer.query( { excludeCustomizedSaved: false } ), {
						nonce: previewer.nonce.save,
						customize_changeset_status: changesetStatus
					} );

					if ( args && args.date ) {
						query.customize_changeset_date = args.date;
					} else if ( 'future' === changesetStatus && selectedChangesetDate ) {
						query.customize_changeset_date = selectedChangesetDate;
					}

					if ( args && args.title ) {
						query.customize_changeset_title = args.title;
					}

					// Allow plugins to modify the params included with the save request.
					api.trigger( 'save-request-params', query );

					/*
					 * Note that the dirty customized values will have already been set in the
					 * changeset and so technically query.customized could be deleted. However,
					 * it is remaining here to make sure that any settings that got updated
					 * quietly which may have not triggered an update request will also get
					 * included in the values that get saved to the changeset. This will ensure
					 * that values that get injected via the saved event will be included in
					 * the changeset. This also ensures that setting values that were invalid
					 * will get re-validated, perhaps in the case of settings that are invalid
					 * due to dependencies on other settings.
					 */
					request = wp.ajax.post( 'customize_save', query );
					api.state( 'processing' ).set( api.state( 'processing' ).get() + 1 );

					api.trigger( 'save', request );

					request.always( function () {
						api.state( 'processing' ).set( api.state( 'processing' ).get() - 1 );
						api.state( 'saving' ).set( false );
						api.unbind( 'change', captureSettingModifiedDuringSave );
					} );

					// Remove notifications that were added due to save failures.
					api.notifications.each( function( notification ) {
						if ( notification.saveFailure ) {
							api.notifications.remove( notification.code );
						}
					});

					request.fail( function ( response ) {
						var notification, notificationArgs;
						notificationArgs = {
							type: 'error',
							dismissible: true,
							fromServer: true,
							saveFailure: true
						};

						if ( '0' === response ) {
							response = 'not_logged_in';
						} else if ( '-1' === response ) {
							// Back-compat in case any other check_ajax_referer() call is dying.
							response = 'invalid_nonce';
						}

						if ( 'invalid_nonce' === response ) {
							previewer.cheatin();
						} else if ( 'not_logged_in' === response ) {
							previewer.preview.iframe.hide();
							previewer.login().done( function() {
								previewer.save();
								previewer.preview.iframe.show();
							} );
						} else if ( response.code ) {
							if ( 'not_future_date' === response.code && api.section.has( 'publish_settings' ) && api.section( 'publish_settings' ).active.get() && api.control.has( 'changeset_scheduled_date' ) ) {
								api.control( 'changeset_scheduled_date' ).toggleFutureDateNotification( true ).focus();
							} else if ( 'changeset_locked' !== response.code ) {
								notification = new api.Notification( response.code, _.extend( notificationArgs, {
									message: response.message
								} ) );
							}
						} else {
							notification = new api.Notification( 'unknown_error', _.extend( notificationArgs, {
								message: api.l10n.unknownRequestFail
							} ) );
						}

						if ( notification ) {
							api.notifications.add( notification );
						}

						if ( response.setting_validities ) {
							api._handleSettingValidities( {
								settingValidities: response.setting_validities,
								focusInvalidControl: true
							} );
						}

						deferred.rejectWith( previewer, [ response ] );
						api.trigger( 'error', response );

						// Start a new changeset if the underlying changeset was published.
						if ( 'changeset_already_published' === response.code && response.next_changeset_uuid ) {
							api.settings.changeset.uuid = response.next_changeset_uuid;
							api.state( 'changesetStatus' ).set( '' );
							if ( api.settings.changeset.branching ) {
								parent.send( 'changeset-uuid', api.settings.changeset.uuid );
							}
							api.previewer.send( 'changeset-uuid', api.settings.changeset.uuid );
						}
					} );

					request.done( function( response ) {

						previewer.send( 'saved', response );

						api.state( 'changesetStatus' ).set( response.changeset_status );
						if ( response.changeset_date ) {
							api.state( 'changesetDate' ).set( response.changeset_date );
						}

						if ( 'publish' === response.changeset_status ) {

							// Mark all published as clean if they haven't been modified during the request.
							api.each( function( setting ) {
								/*
								 * Note that the setting revision will be undefined in the case of setting
								 * values that are marked as dirty when the customizer is loaded, such as
								 * when applying starter content. All other dirty settings will have an
								 * associated revision due to their modification triggering a change event.
								 */
								if ( setting._dirty && ( _.isUndefined( api._latestSettingRevisions[ setting.id ] ) || api._latestSettingRevisions[ setting.id ] <= latestRevision ) ) {
									setting._dirty = false;
								}
							} );

							api.state( 'changesetStatus' ).set( '' );
							api.settings.changeset.uuid = response.next_changeset_uuid;
							if ( api.settings.changeset.branching ) {
								parent.send( 'changeset-uuid', api.settings.changeset.uuid );
							}
						}

						// Prevent subsequent requestChangesetUpdate() calls from including the settings that have been saved.
						api._lastSavedRevision = Math.max( latestRevision, api._lastSavedRevision );

						if ( response.setting_validities ) {
							api._handleSettingValidities( {
								settingValidities: response.setting_validities,
								focusInvalidControl: true
							} );
						}

						deferred.resolveWith( previewer, [ response ] );
						api.trigger( 'saved', response );

						// Restore the global dirty state if any settings were modified during save.
						if ( ! _.isEmpty( modifiedWhileSaving ) ) {
							api.state( 'saved' ).set( false );
						}
					} );
				};

				if ( 0 === processing() ) {
					submit();
				} else {
					submitWhenDoneProcessing = function () {
						if ( 0 === processing() ) {
							api.state.unbind( 'change', submitWhenDoneProcessing );
							submit();
						}
					};
					api.state.bind( 'change', submitWhenDoneProcessing );
				}

				return deferred.promise();
			},

			/**
			 * Trash the current changes.
			 *
			 * Revert the Customizer to its previously-published state.
			 *
			 * @since 4.9.0
			 *
			 * @return {jQuery.promise} Promise.
			 */
			trash: function trash() {
				var request, success, fail;

				api.state( 'trashing' ).set( true );
				api.state( 'processing' ).set( api.state( 'processing' ).get() + 1 );

				request = wp.ajax.post( 'customize_trash', {
					customize_changeset_uuid: api.settings.changeset.uuid,
					nonce: api.settings.nonce.trash
				} );
				api.notifications.add( new api.OverlayNotification( 'changeset_trashing', {
					type: 'info',
					message: api.l10n.revertingChanges,
					loading: true
				} ) );

				success = function() {
					var urlParser = document.createElement( 'a' ), queryParams;

					api.state( 'changesetStatus' ).set( 'trash' );
					api.each( function( setting ) {
						setting._dirty = false;
					} );
					api.state( 'saved' ).set( true );

					// Go back to Customizer without changeset.
					urlParser.href = location.href;
					queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
					delete queryParams.changeset_uuid;
					queryParams['return'] = api.settings.url['return'];
					urlParser.search = $.param( queryParams );
					location.replace( urlParser.href );
				};

				fail = function( code, message ) {
					var notificationCode = code || 'unknown_error';
					api.state( 'processing' ).set( api.state( 'processing' ).get() - 1 );
					api.state( 'trashing' ).set( false );
					api.notifications.remove( 'changeset_trashing' );
					api.notifications.add( new api.Notification( notificationCode, {
						message: message || api.l10n.unknownError,
						dismissible: true,
						type: 'error'
					} ) );
				};

				request.done( function( response ) {
					success( response.message );
				} );

				request.fail( function( response ) {
					var code = response.code || 'trashing_failed';
					if ( response.success || 'non_existent_changeset' === code || 'changeset_already_trashed' === code ) {
						success( response.message );
					} else {
						fail( code, response.message );
					}
				} );
			},

			/**
			 * Builds the front preview URL with the current state of customizer.
			 *
			 * @since 4.9.0
			 *
			 * @return {string} Preview URL.
			 */
			getFrontendPreviewUrl: function() {
				var previewer = this, params, urlParser;
				urlParser = document.createElement( 'a' );
				urlParser.href = previewer.previewUrl.get();
				params = api.utils.parseQueryString( urlParser.search.substr( 1 ) );

				if ( api.state( 'changesetStatus' ).get() && 'publish' !== api.state( 'changesetStatus' ).get() ) {
					params.customize_changeset_uuid = api.settings.changeset.uuid;
				}
				if ( ! api.state( 'activated' ).get() ) {
					params.customize_theme = api.settings.theme.stylesheet;
				}

				urlParser.search = $.param( params );
				return urlParser.href;
			}
		});

		// Ensure preview nonce is included with every customized request, to allow post data to be read.
		$.ajaxPrefilter( function injectPreviewNonce( options ) {
			if ( ! /wp_customize=on/.test( options.data ) ) {
				return;
			}
			options.data += '&' + $.param({
				customize_preview_nonce: api.settings.nonce.preview
			});
		});

		// Refresh the nonces if the preview sends updated nonces over.
		api.previewer.bind( 'nonce', function( nonce ) {
			$.extend( this.nonce, nonce );
		});

		// Refresh the nonces if login sends updated nonces over.
		api.bind( 'nonce-refresh', function( nonce ) {
			$.extend( api.settings.nonce, nonce );
			$.extend( api.previewer.nonce, nonce );
			api.previewer.send( 'nonce-refresh', nonce );
		});

		// Create Settings.
		$.each( api.settings.settings, function( id, data ) {
			var Constructor = api.settingConstructor[ data.type ] || api.Setting;
			api.add( new Constructor( id, data.value, {
				transport: data.transport,
				previewer: api.previewer,
				dirty: !! data.dirty
			} ) );
		});

		// Create Panels.
		$.each( api.settings.panels, function ( id, data ) {
			var Constructor = api.panelConstructor[ data.type ] || api.Panel, options;
			// Inclusion of params alias is for back-compat for custom panels that expect to augment this property.
			options = _.extend( { params: data }, data );
			api.panel.add( new Constructor( id, options ) );
		});

		// Create Sections.
		$.each( api.settings.sections, function ( id, data ) {
			var Constructor = api.sectionConstructor[ data.type ] || api.Section, options;
			// Inclusion of params alias is for back-compat for custom sections that expect to augment this property.
			options = _.extend( { params: data }, data );
			api.section.add( new Constructor( id, options ) );
		});

		// Create Controls.
		$.each( api.settings.controls, function( id, data ) {
			var Constructor = api.controlConstructor[ data.type ] || api.Control, options;
			// Inclusion of params alias is for back-compat for custom controls that expect to augment this property.
			options = _.extend( { params: data }, data );
			api.control.add( new Constructor( id, options ) );
		});

		// Focus the autofocused element.
		_.each( [ 'panel', 'section', 'control' ], function( type ) {
			var id = api.settings.autofocus[ type ];
			if ( ! id ) {
				return;
			}

			/*
			 * Defer focus until:
			 * 1. The panel, section, or control exists (especially for dynamically-created ones).
			 * 2. The instance is embedded in the document (and so is focusable).
			 * 3. The preview has finished loading so that the active states have been set.
			 */
			api[ type ]( id, function( instance ) {
				instance.deferred.embedded.done( function() {
					api.previewer.deferred.active.done( function() {
						instance.focus();
					});
				});
			});
		});

		api.bind( 'ready', api.reflowPaneContents );
		$( [ api.panel, api.section, api.control ] ).each( function ( i, values ) {
			var debouncedReflowPaneContents = _.debounce( api.reflowPaneContents, api.settings.timeouts.reflowPaneContents );
			values.bind( 'add', debouncedReflowPaneContents );
			values.bind( 'change', debouncedReflowPaneContents );
			values.bind( 'remove', debouncedReflowPaneContents );
		} );

		// Set up global notifications area.
		api.bind( 'ready', function setUpGlobalNotificationsArea() {
			var sidebar, containerHeight, containerInitialTop;
			api.notifications.container = $( '#customize-notifications-area' );

			api.notifications.bind( 'change', _.debounce( function() {
				api.notifications.render();
			} ) );

			sidebar = $( '.wp-full-overlay-sidebar-content' );
			api.notifications.bind( 'rendered', function updateSidebarTop() {
				sidebar.css( 'top', '' );
				if ( 0 !== api.notifications.count() ) {
					containerHeight = api.notifications.container.outerHeight() + 1;
					containerInitialTop = parseInt( sidebar.css( 'top' ), 10 );
					sidebar.css( 'top', containerInitialTop + containerHeight + 'px' );
				}
				api.notifications.trigger( 'sidebarTopUpdated' );
			});

			api.notifications.render();
		});

		// Save and activated states.
		(function( state ) {
			var saved = state.instance( 'saved' ),
				saving = state.instance( 'saving' ),
				trashing = state.instance( 'trashing' ),
				activated = state.instance( 'activated' ),
				processing = state.instance( 'processing' ),
				paneVisible = state.instance( 'paneVisible' ),
				expandedPanel = state.instance( 'expandedPanel' ),
				expandedSection = state.instance( 'expandedSection' ),
				changesetStatus = state.instance( 'changesetStatus' ),
				selectedChangesetStatus = state.instance( 'selectedChangesetStatus' ),
				changesetDate = state.instance( 'changesetDate' ),
				selectedChangesetDate = state.instance( 'selectedChangesetDate' ),
				previewerAlive = state.instance( 'previewerAlive' ),
				editShortcutVisibility  = state.instance( 'editShortcutVisibility' ),
				changesetLocked = state.instance( 'changesetLocked' ),
				populateChangesetUuidParam, defaultSelectedChangesetStatus;

			state.bind( 'change', function() {
				var canSave;

				if ( ! activated() ) {
					saveBtn.val( api.l10n.activate );
					closeBtn.find( '.screen-reader-text' ).text( api.l10n.cancel );

				} else if ( '' === changesetStatus.get() && saved() ) {
					if ( api.settings.changeset.currentUserCanPublish ) {
						saveBtn.val( api.l10n.published );
					} else {
						saveBtn.val( api.l10n.saved );
					}
					closeBtn.find( '.screen-reader-text' ).text( api.l10n.close );

				} else {
					if ( 'draft' === selectedChangesetStatus() ) {
						if ( saved() && selectedChangesetStatus() === changesetStatus() ) {
							saveBtn.val( api.l10n.draftSaved );
						} else {
							saveBtn.val( api.l10n.saveDraft );
						}
					} else if ( 'future' === selectedChangesetStatus() ) {
						if ( saved() && selectedChangesetStatus() === changesetStatus() ) {
							if ( changesetDate.get() !== selectedChangesetDate.get() ) {
								saveBtn.val( api.l10n.schedule );
							} else {
								saveBtn.val( api.l10n.scheduled );
							}
						} else {
							saveBtn.val( api.l10n.schedule );
						}
					} else if ( api.settings.changeset.currentUserCanPublish ) {
						saveBtn.val( api.l10n.publish );
					}
					closeBtn.find( '.screen-reader-text' ).text( api.l10n.cancel );
				}

				/*
				 * Save (publish) button should be enabled if saving is not currently happening,
				 * and if the theme is not active or the changeset exists but is not published.
				 */
				canSave = ! saving() && ! trashing() && ! changesetLocked() && ( ! activated() || ! saved() || ( changesetStatus() !== selectedChangesetStatus() && '' !== changesetStatus() ) || ( 'future' === selectedChangesetStatus() && changesetDate.get() !== selectedChangesetDate.get() ) );

				saveBtn.prop( 'disabled', ! canSave );
			});

			selectedChangesetStatus.validate = function( status ) {
				if ( '' === status || 'auto-draft' === status ) {
					return null;
				}
				return status;
			};

			defaultSelectedChangesetStatus = api.settings.changeset.currentUserCanPublish ? 'publish' : 'draft';

			// Set default states.
			changesetStatus( api.settings.changeset.status );
			changesetLocked( Boolean( api.settings.changeset.lockUser ) );
			changesetDate( api.settings.changeset.publishDate );
			selectedChangesetDate( api.settings.changeset.publishDate );
			selectedChangesetStatus( '' === api.settings.changeset.status || 'auto-draft' === api.settings.changeset.status ? defaultSelectedChangesetStatus : api.settings.changeset.status );
			selectedChangesetStatus.link( changesetStatus ); // Ensure that direct updates to status on server via wp.customizer.previewer.save() will update selection.
			saved( true );
			if ( '' === changesetStatus() ) { // Handle case for loading starter content.
				api.each( function( setting ) {
					if ( setting._dirty ) {
						saved( false );
					}
				} );
			}
			saving( false );
			activated( api.settings.theme.active );
			processing( 0 );
			paneVisible( true );
			expandedPanel( false );
			expandedSection( false );
			previewerAlive( true );
			editShortcutVisibility( 'visible' );

			api.bind( 'change', function() {
				if ( state( 'saved' ).get() ) {
					state( 'saved' ).set( false );
				}
			});

			// Populate changeset UUID param when state becomes dirty.
			if ( api.settings.changeset.branching ) {
				saved.bind( function( isSaved ) {
					if ( ! isSaved ) {
						populateChangesetUuidParam( true );
					}
				});
			}

			saving.bind( function( isSaving ) {
				body.toggleClass( 'saving', isSaving );
			} );
			trashing.bind( function( isTrashing ) {
				body.toggleClass( 'trashing', isTrashing );
			} );

			api.bind( 'saved', function( response ) {
				state('saved').set( true );
				if ( 'publish' === response.changeset_status ) {
					state( 'activated' ).set( true );
				}
			});

			activated.bind( function( to ) {
				if ( to ) {
					api.trigger( 'activated' );
				}
			});

			/**
			 * Populate URL with UUID via `history.replaceState()`.
			 *
			 * @since 4.7.0
			 * @access private
			 *
			 * @param {boolean} isIncluded Is UUID included.
			 * @return {void}
			 */
			populateChangesetUuidParam = function( isIncluded ) {
				var urlParser, queryParams;

				// Abort on IE9 which doesn't support history management.
				if ( ! history.replaceState ) {
					return;
				}

				urlParser = document.createElement( 'a' );
				urlParser.href = location.href;
				queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
				if ( isIncluded ) {
					if ( queryParams.changeset_uuid === api.settings.changeset.uuid ) {
						return;
					}
					queryParams.changeset_uuid = api.settings.changeset.uuid;
				} else {
					if ( ! queryParams.changeset_uuid ) {
						return;
					}
					delete queryParams.changeset_uuid;
				}
				urlParser.search = $.param( queryParams );
				history.replaceState( {}, document.title, urlParser.href );
			};

			// Show changeset UUID in URL when in branching mode and there is a saved changeset.
			if ( api.settings.changeset.branching ) {
				changesetStatus.bind( function( newStatus ) {
					populateChangesetUuidParam( '' !== newStatus && 'publish' !== newStatus && 'trash' !== newStatus );
				} );
			}
		}( api.state ) );

		/**
		 * Handles lock notice and take over request.
		 *
		 * @since 4.9.0
		 */
		( function checkAndDisplayLockNotice() {

			var LockedNotification = api.OverlayNotification.extend(/** @lends wp.customize~LockedNotification.prototype */{

				/**
				 * Template ID.
				 *
				 * @type {string}
				 */
				templateId: 'customize-changeset-locked-notification',

				/**
				 * Lock user.
				 *
				 * @type {object}
				 */
				lockUser: null,

				/**
				 * A notification that is displayed in a full-screen overlay with information about the locked changeset.
				 *
				 * @constructs wp.customize~LockedNotification
				 * @augments   wp.customize.OverlayNotification
				 *
				 * @since 4.9.0
				 *
				 * @param {string} [code] - Code.
				 * @param {Object} [params] - Params.
				 */
				initialize: function( code, params ) {
					var notification = this, _code, _params;
					_code = code || 'changeset_locked';
					_params = _.extend(
						{
							message: '',
							type: 'warning',
							containerClasses: '',
							lockUser: {}
						},
						params
					);
					_params.containerClasses += ' notification-changeset-locked';
					api.OverlayNotification.prototype.initialize.call( notification, _code, _params );
				},

				/**
				 * Render notification.
				 *
				 * @since 4.9.0
				 *
				 * @return {jQuery} Notification container.
				 */
				render: function() {
					var notification = this, li, data, takeOverButton, request;
					data = _.extend(
						{
							allowOverride: false,
							returnUrl: api.settings.url['return'],
							previewUrl: api.previewer.previewUrl.get(),
							frontendPreviewUrl: api.previewer.getFrontendPreviewUrl()
						},
						this
					);

					li = api.OverlayNotification.prototype.render.call( data );

					// Try to autosave the changeset now.
					api.requestChangesetUpdate( {}, { autosave: true } ).fail( function( response ) {
						if ( ! response.autosaved ) {
							li.find( '.notice-error' ).prop( 'hidden', false ).text( response.message || api.l10n.unknownRequestFail );
						}
					} );

					takeOverButton = li.find( '.customize-notice-take-over-button' );
					takeOverButton.on( 'click', function( event ) {
						event.preventDefault();
						if ( request ) {
							return;
						}

						takeOverButton.addClass( 'disabled' );
						request = wp.ajax.post( 'customize_override_changeset_lock', {
							wp_customize: 'on',
							customize_theme: api.settings.theme.stylesheet,
							customize_changeset_uuid: api.settings.changeset.uuid,
							nonce: api.settings.nonce.override_lock
						} );

						request.done( function() {
							api.notifications.remove( notification.code ); // Remove self.
							api.state( 'changesetLocked' ).set( false );
						} );

						request.fail( function( response ) {
							var message = response.message || api.l10n.unknownRequestFail;
							li.find( '.notice-error' ).prop( 'hidden', false ).text( message );

							request.always( function() {
								takeOverButton.removeClass( 'disabled' );
							} );
						} );

						request.always( function() {
							request = null;
						} );
					} );

					return li;
				}
			});

			/**
			 * Start lock.
			 *
			 * @since 4.9.0
			 *
			 * @param {Object} [args] - Args.
			 * @param {Object} [args.lockUser] - Lock user data.
			 * @param {boolean} [args.allowOverride=false] - Whether override is allowed.
			 * @return {void}
			 */
			function startLock( args ) {
				if ( args && args.lockUser ) {
					api.settings.changeset.lockUser = args.lockUser;
				}
				api.state( 'changesetLocked' ).set( true );
				api.notifications.add( new LockedNotification( 'changeset_locked', {
					lockUser: api.settings.changeset.lockUser,
					allowOverride: Boolean( args && args.allowOverride )
				} ) );
			}

			// Show initial notification.
			if ( api.settings.changeset.lockUser ) {
				startLock( { allowOverride: true } );
			}

			// Check for lock when sending heartbeat requests.
			$( document ).on( 'heartbeat-send.update_lock_notice', function( event, data ) {
				data.check_changeset_lock = true;
				data.changeset_uuid = api.settings.changeset.uuid;
			} );

			// Handle heartbeat ticks.
			$( document ).on( 'heartbeat-tick.update_lock_notice', function( event, data ) {
				var notification, code = 'changeset_locked';
				if ( ! data.customize_changeset_lock_user ) {
					return;
				}

				// Update notification when a different user takes over.
				notification = api.notifications( code );
				if ( notification && notification.lockUser.id !== api.settings.changeset.lockUser.id ) {
					api.notifications.remove( code );
				}

				startLock( {
					lockUser: data.customize_changeset_lock_user
				} );
			} );

			// Handle locking in response to changeset save errors.
			api.bind( 'error', function( response ) {
				if ( 'changeset_locked' === response.code && response.lock_user ) {
					startLock( {
						lockUser: response.lock_user
					} );
				}
			} );
		} )();

		// Set up initial notifications.
		(function() {
			var removedQueryParams = [], autosaveDismissed = false;

			/**
			 * Obtain the URL to restore the autosave.
			 *
			 * @return {string} Customizer URL.
			 */
			function getAutosaveRestorationUrl() {
				var urlParser, queryParams;
				urlParser = document.createElement( 'a' );
				urlParser.href = location.href;
				queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
				if ( api.settings.changeset.latestAutoDraftUuid ) {
					queryParams.changeset_uuid = api.settings.changeset.latestAutoDraftUuid;
				} else {
					queryParams.customize_autosaved = 'on';
				}
				queryParams['return'] = api.settings.url['return'];
				urlParser.search = $.param( queryParams );
				return urlParser.href;
			}

			/**
			 * Remove parameter from the URL.
			 *
			 * @param {Array} params - Parameter names to remove.
			 * @return {void}
			 */
			function stripParamsFromLocation( params ) {
				var urlParser = document.createElement( 'a' ), queryParams, strippedParams = 0;
				urlParser.href = location.href;
				queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
				_.each( params, function( param ) {
					if ( 'undefined' !== typeof queryParams[ param ] ) {
						strippedParams += 1;
						delete queryParams[ param ];
					}
				} );
				if ( 0 === strippedParams ) {
					return;
				}

				urlParser.search = $.param( queryParams );
				history.replaceState( {}, document.title, urlParser.href );
			}

			/**
			 * Displays a Site Editor notification when a block theme is activated.
			 *
			 * @since 4.9.0
			 *
			 * @param {string} [notification] - A notification to display.
			 * @return {void}
			 */
			function addSiteEditorNotification( notification ) {
				api.notifications.add( new api.Notification( 'site_editor_block_theme_notice', {
					message: notification,
					type: 'info',
					dismissible: false,
					render: function() {
						var notification = api.Notification.prototype.render.call( this ),
							button = notification.find( 'button.switch-to-editor' );

						button.on( 'click', function( event ) {
							event.preventDefault();
							location.assign( button.data( 'action' ) );
						} );

						return notification;
					}
				} ) );
			}

			/**
			 * Dismiss autosave.
			 *
			 * @return {void}
			 */
			function dismissAutosave() {
				if ( autosaveDismissed ) {
					return;
				}
				wp.ajax.post( 'customize_dismiss_autosave_or_lock', {
					wp_customize: 'on',
					customize_theme: api.settings.theme.stylesheet,
					customize_changeset_uuid: api.settings.changeset.uuid,
					nonce: api.settings.nonce.dismiss_autosave_or_lock,
					dismiss_autosave: true
				} );
				autosaveDismissed = true;
			}

			/**
			 * Add notification regarding the availability of an autosave to restore.
			 *
			 * @return {void}
			 */
			function addAutosaveRestoreNotification() {
				var code = 'autosave_available', onStateChange;

				// Since there is an autosave revision and the user hasn't loaded with autosaved, add notification to prompt to load autosaved version.
				api.notifications.add( new api.Notification( code, {
					message: api.l10n.autosaveNotice,
					type: 'warning',
					dismissible: true,
					render: function() {
						var li = api.Notification.prototype.render.call( this ), link;

						// Handle clicking on restoration link.
						link = li.find( 'a' );
						link.prop( 'href', getAutosaveRestorationUrl() );
						link.on( 'click', function( event ) {
							event.preventDefault();
							location.replace( getAutosaveRestorationUrl() );
						} );

						// Handle dismissal of notice.
						li.find( '.notice-dismiss' ).on( 'click', dismissAutosave );

						return li;
					}
				} ) );

				// Remove the notification once the user starts making changes.
				onStateChange = function() {
					dismissAutosave();
					api.notifications.remove( code );
					api.unbind( 'change', onStateChange );
					api.state( 'changesetStatus' ).unbind( onStateChange );
				};
				api.bind( 'change', onStateChange );
				api.state( 'changesetStatus' ).bind( onStateChange );
			}

			if ( api.settings.changeset.autosaved ) {
				api.state( 'saved' ).set( false );
				removedQueryParams.push( 'customize_autosaved' );
			}
			if ( ! api.settings.changeset.branching && ( ! api.settings.changeset.status || 'auto-draft' === api.settings.changeset.status ) ) {
				removedQueryParams.push( 'changeset_uuid' ); // Remove UUID when restoring autosave auto-draft.
			}
			if ( removedQueryParams.length > 0 ) {
				stripParamsFromLocation( removedQueryParams );
			}
			if ( api.settings.changeset.latestAutoDraftUuid || api.settings.changeset.hasAutosaveRevision ) {
				addAutosaveRestoreNotification();
			}
			var shouldDisplayBlockThemeNotification = !! parseInt( $( '#customize-info' ).data( 'block-theme' ), 10 );
			if (shouldDisplayBlockThemeNotification) {
				addSiteEditorNotification( api.l10n.blockThemeNotification );
			}
		})();

		// Check if preview url is valid and load the preview frame.
		if ( api.previewer.previewUrl() ) {
			api.previewer.refresh();
		} else {
			api.previewer.previewUrl( api.settings.url.home );
		}

		// Button bindings.
		saveBtn.on( 'click', function( event ) {
			api.previewer.save();
			event.preventDefault();
		}).on( 'keydown', function( event ) {
			if ( 9 === event.which ) { // Tab.
				return;
			}
			if ( 13 === event.which ) { // Enter.
				api.previewer.save();
			}
			event.preventDefault();
		});

		closeBtn.on( 'keydown', function( event ) {
			if ( 9 === event.which ) { // Tab.
				return;
			}
			if ( 13 === event.which ) { // Enter.
				this.click();
			}
			event.preventDefault();
		});

		$( '.collapse-sidebar' ).on( 'click', function() {
			api.state( 'paneVisible' ).set( ! api.state( 'paneVisible' ).get() );
		});

		api.state( 'paneVisible' ).bind( function( paneVisible ) {
			overlay.toggleClass( 'preview-only', ! paneVisible );
			overlay.toggleClass( 'expanded', paneVisible );
			overlay.toggleClass( 'collapsed', ! paneVisible );

			if ( ! paneVisible ) {
				$( '.collapse-sidebar' ).attr({ 'aria-expanded': 'false', 'aria-label': api.l10n.expandSidebar });
			} else {
				$( '.collapse-sidebar' ).attr({ 'aria-expanded': 'true', 'aria-label': api.l10n.collapseSidebar });
			}
		});

		// Keyboard shortcuts - esc to exit section/panel.
		body.on( 'keydown', function( event ) {
			var collapsedObject, expandedControls = [], expandedSections = [], expandedPanels = [];

			if ( 27 !== event.which ) { // Esc.
				return;
			}

			/*
			 * Abort if the event target is not the body (the default) and not inside of #customize-controls.
			 * This ensures that ESC meant to collapse a modal dialog or a TinyMCE toolbar won't collapse something else.
			 */
			if ( ! $( event.target ).is( 'body' ) && ! $.contains( $( '#customize-controls' )[0], event.target ) ) {
				return;
			}

			// Abort if we're inside of a block editor instance.
			if ( event.target.closest( '.block-editor-writing-flow' ) !== null ||
				event.target.closest( '.block-editor-block-list__block-popover' ) !== null
			) {
				return;
			}

			// Check for expanded expandable controls (e.g. widgets and nav menus items), sections, and panels.
			api.control.each( function( control ) {
				if ( control.expanded && control.expanded() && _.isFunction( control.collapse ) ) {
					expandedControls.push( control );
				}
			});
			api.section.each( function( section ) {
				if ( section.expanded() ) {
					expandedSections.push( section );
				}
			});
			api.panel.each( function( panel ) {
				if ( panel.expanded() ) {
					expandedPanels.push( panel );
				}
			});

			// Skip collapsing expanded controls if there are no expanded sections.
			if ( expandedControls.length > 0 && 0 === expandedSections.length ) {
				expandedControls.length = 0;
			}

			// Collapse the most granular expanded object.
			collapsedObject = expandedControls[0] || expandedSections[0] || expandedPanels[0];
			if ( collapsedObject ) {
				if ( 'themes' === collapsedObject.params.type ) {

					// Themes panel or section.
					if ( body.hasClass( 'modal-open' ) ) {
						collapsedObject.closeDetails();
					} else if ( api.panel.has( 'themes' ) ) {

						// If we're collapsing a section, collapse the panel also.
						api.panel( 'themes' ).collapse();
					}
					return;
				}
				collapsedObject.collapse();
				event.preventDefault();
			}
		});

		$( '.customize-controls-preview-toggle' ).on( 'click', function() {
			api.state( 'paneVisible' ).set( ! api.state( 'paneVisible' ).get() );
		});

		/*
		 * Sticky header feature.
		 */
		(function initStickyHeaders() {
			var parentContainer = $( '.wp-full-overlay-sidebar-content' ),
				changeContainer, updateHeaderHeight, releaseStickyHeader, resetStickyHeader, positionStickyHeader,
				activeHeader, lastScrollTop;

			/**
			 * Determine which panel or section is currently expanded.
			 *
			 * @since 4.7.0
			 * @access private
			 *
			 * @param {wp.customize.Panel|wp.customize.Section} container Construct.
			 * @return {void}
			 */
			changeContainer = function( container ) {
				var newInstance = container,
					expandedSection = api.state( 'expandedSection' ).get(),
					expandedPanel = api.state( 'expandedPanel' ).get(),
					headerElement;

				if ( activeHeader && activeHeader.element ) {
					// Release previously active header element.
					releaseStickyHeader( activeHeader.element );

					// Remove event listener in the previous panel or section.
					activeHeader.element.find( '.description' ).off( 'toggled', updateHeaderHeight );
				}

				if ( ! newInstance ) {
					if ( ! expandedSection && expandedPanel && expandedPanel.contentContainer ) {
						newInstance = expandedPanel;
					} else if ( ! expandedPanel && expandedSection && expandedSection.contentContainer ) {
						newInstance = expandedSection;
					} else {
						activeHeader = false;
						return;
					}
				}

				headerElement = newInstance.contentContainer.find( '.customize-section-title, .panel-meta' ).first();
				if ( headerElement.length ) {
					activeHeader = {
						instance: newInstance,
						element:  headerElement,
						parent:   headerElement.closest( '.customize-pane-child' ),
						height:   headerElement.outerHeight()
					};

					// Update header height whenever help text is expanded or collapsed.
					activeHeader.element.find( '.description' ).on( 'toggled', updateHeaderHeight );

					if ( expandedSection ) {
						resetStickyHeader( activeHeader.element, activeHeader.parent );
					}
				} else {
					activeHeader = false;
				}
			};
			api.state( 'expandedSection' ).bind( changeContainer );
			api.state( 'expandedPanel' ).bind( changeContainer );

			// Throttled scroll event handler.
			parentContainer.on( 'scroll', _.throttle( function() {
				if ( ! activeHeader ) {
					return;
				}

				var scrollTop = parentContainer.scrollTop(),
					scrollDirection;

				if ( ! lastScrollTop ) {
					scrollDirection = 1;
				} else {
					if ( scrollTop === lastScrollTop ) {
						scrollDirection = 0;
					} else if ( scrollTop > lastScrollTop ) {
						scrollDirection = 1;
					} else {
						scrollDirection = -1;
					}
				}
				lastScrollTop = scrollTop;
				if ( 0 !== scrollDirection ) {
					positionStickyHeader( activeHeader, scrollTop, scrollDirection );
				}
			}, 8 ) );

			// Update header position on sidebar layout change.
			api.notifications.bind( 'sidebarTopUpdated', function() {
				if ( activeHeader && activeHeader.element.hasClass( 'is-sticky' ) ) {
					activeHeader.element.css( 'top', parentContainer.css( 'top' ) );
				}
			});

			// Release header element if it is sticky.
			releaseStickyHeader = function( headerElement ) {
				if ( ! headerElement.hasClass( 'is-sticky' ) ) {
					return;
				}
				headerElement
					.removeClass( 'is-sticky' )
					.addClass( 'maybe-sticky is-in-view' )
					.css( 'top', parentContainer.scrollTop() + 'px' );
			};

			// Reset position of the sticky header.
			resetStickyHeader = function( headerElement, headerParent ) {
				if ( headerElement.hasClass( 'is-in-view' ) ) {
					headerElement
						.removeClass( 'maybe-sticky is-in-view' )
						.css( {
							width: '',
							top:   ''
						} );
					headerParent.css( 'padding-top', '' );
				}
			};

			/**
			 * Update active header height.
			 *
			 * @since 4.7.0
			 * @access private
			 *
			 * @return {void}
			 */
			updateHeaderHeight = function() {
				activeHeader.height = activeHeader.element.outerHeight();
			};

			/**
			 * Reposition header on throttled `scroll` event.
			 *
			 * @since 4.7.0
			 * @access private
			 *
			 * @param {Object} header - Header.
			 * @param {number} scrollTop - Scroll top.
			 * @param {number} scrollDirection - Scroll direction, negative number being up and positive being down.
			 * @return {void}
			 */
			positionStickyHeader = function( header, scrollTop, scrollDirection ) {
				var headerElement = header.element,
					headerParent = header.parent,
					headerHeight = header.height,
					headerTop = parseInt( headerElement.css( 'top' ), 10 ),
					maybeSticky = headerElement.hasClass( 'maybe-sticky' ),
					isSticky = headerElement.hasClass( 'is-sticky' ),
					isInView = headerElement.hasClass( 'is-in-view' ),
					isScrollingUp = ( -1 === scrollDirection );

				// When scrolling down, gradually hide sticky header.
				if ( ! isScrollingUp ) {
					if ( isSticky ) {
						headerTop = scrollTop;
						headerElement
							.removeClass( 'is-sticky' )
							.css( {
								top:   headerTop + 'px',
								width: ''
							} );
					}
					if ( isInView && scrollTop > headerTop + headerHeight ) {
						headerElement.removeClass( 'is-in-view' );
						headerParent.css( 'padding-top', '' );
					}
					return;
				}

				// Scrolling up.
				if ( ! maybeSticky && scrollTop >= headerHeight ) {
					maybeSticky = true;
					headerElement.addClass( 'maybe-sticky' );
				} else if ( 0 === scrollTop ) {
					// Reset header in base position.
					headerElement
						.removeClass( 'maybe-sticky is-in-view is-sticky' )
						.css( {
							top:   '',
							width: ''
						} );
					headerParent.css( 'padding-top', '' );
					return;
				}

				if ( isInView && ! isSticky ) {
					// Header is in the view but is not yet sticky.
					if ( headerTop >= scrollTop ) {
						// Header is fully visible.
						headerElement
							.addClass( 'is-sticky' )
							.css( {
								top:   parentContainer.css( 'top' ),
								width: headerParent.outerWidth() + 'px'
							} );
					}
				} else if ( maybeSticky && ! isInView ) {
					// Header is out of the view.
					headerElement
						.addClass( 'is-in-view' )
						.css( 'top', ( scrollTop - headerHeight ) + 'px' );
					headerParent.css( 'padding-top', headerHeight + 'px' );
				}
			};
		}());

		// Previewed device bindings. (The api.previewedDevice property
		// is how this Value was first introduced, but since it has moved to api.state.)
		api.previewedDevice = api.state( 'previewedDevice' );

		// Set the default device.
		api.bind( 'ready', function() {
			_.find( api.settings.previewableDevices, function( value, key ) {
				if ( true === value['default'] ) {
					api.previewedDevice.set( key );
					return true;
				}
			} );
		} );

		// Set the toggled device.
		footerActions.find( '.devices button' ).on( 'click', function( event ) {
			api.previewedDevice.set( $( event.currentTarget ).data( 'device' ) );
		});

		// Bind device changes.
		api.previewedDevice.bind( function( newDevice ) {
			var overlay = $( '.wp-full-overlay' ),
				devices = '';

			footerActions.find( '.devices button' )
				.removeClass( 'active' )
				.attr( 'aria-pressed', false );

			footerActions.find( '.devices .preview-' + newDevice )
				.addClass( 'active' )
				.attr( 'aria-pressed', true );

			$.each( api.settings.previewableDevices, function( device ) {
				devices += ' preview-' + device;
			} );

			overlay
				.removeClass( devices )
				.addClass( 'preview-' + newDevice );
		} );

		// Bind site title display to the corresponding field.
		if ( title.length ) {
			api( 'blogname', function( setting ) {
				var updateTitle = function() {
					var blogTitle = setting() || '';
					title.text( blogTitle.toString().trim() || api.l10n.untitledBlogName );
				};
				setting.bind( updateTitle );
				updateTitle();
			} );
		}

		/*
		 * Create a postMessage connection with a parent frame,
		 * in case the Customizer frame was opened with the Customize loader.
		 *
		 * @see wp.customize.Loader
		 */
		parent = new api.Messenger({
			url: api.settings.url.parent,
			channel: 'loader'
		});

		// Handle exiting of Customizer.
		(function() {
			var isInsideIframe = false;

			function isCleanState() {
				var defaultChangesetStatus;

				/*
				 * Handle special case of previewing theme switch since some settings (for nav menus and widgets)
				 * are pre-dirty and non-active themes can only ever be auto-drafts.
				 */
				if ( ! api.state( 'activated' ).get() ) {
					return 0 === api._latestRevision;
				}

				// Dirty if the changeset status has been changed but not saved yet.
				defaultChangesetStatus = api.state( 'changesetStatus' ).get();
				if ( '' === defaultChangesetStatus || 'auto-draft' === defaultChangesetStatus ) {
					defaultChangesetStatus = 'publish';
				}
				if ( api.state( 'selectedChangesetStatus' ).get() !== defaultChangesetStatus ) {
					return false;
				}

				// Dirty if scheduled but the changeset date hasn't been saved yet.
				if ( 'future' === api.state( 'selectedChangesetStatus' ).get() && api.state( 'selectedChangesetDate' ).get() !== api.state( 'changesetDate' ).get() ) {
					return false;
				}

				return api.state( 'saved' ).get() && 'auto-draft' !== api.state( 'changesetStatus' ).get();
			}

			/*
			 * If we receive a 'back' event, we're inside an iframe.
			 * Send any clicks to the 'Return' link to the parent page.
			 */
			parent.bind( 'back', function() {
				isInsideIframe = true;
			});

			function startPromptingBeforeUnload() {
				api.unbind( 'change', startPromptingBeforeUnload );
				api.state( 'selectedChangesetStatus' ).unbind( startPromptingBeforeUnload );
				api.state( 'selectedChangesetDate' ).unbind( startPromptingBeforeUnload );

				// Prompt user with AYS dialog if leaving the Customizer with unsaved changes.
				$( window ).on( 'beforeunload.customize-confirm', function() {
					if ( ! isCleanState() && ! api.state( 'changesetLocked' ).get() ) {
						setTimeout( function() {
							overlay.removeClass( 'customize-loading' );
						}, 1 );
						return api.l10n.saveAlert;
					}
				});
			}
			api.bind( 'change', startPromptingBeforeUnload );
			api.state( 'selectedChangesetStatus' ).bind( startPromptingBeforeUnload );
			api.state( 'selectedChangesetDate' ).bind( startPromptingBeforeUnload );

			function requestClose() {
				var clearedToClose = $.Deferred(), dismissAutoSave = false, dismissLock = false;

				if ( isCleanState() ) {
					dismissLock = true;
				} else if ( confirm( api.l10n.saveAlert ) ) {

					dismissLock = true;

					// Mark all settings as clean to prevent another call to requestChangesetUpdate.
					api.each( function( setting ) {
						setting._dirty = false;
					});
					$( document ).off( 'visibilitychange.wp-customize-changeset-update' );
					$( window ).off( 'beforeunload.wp-customize-changeset-update' );

					closeBtn.css( 'cursor', 'progress' );
					if ( '' !== api.state( 'changesetStatus' ).get() ) {
						dismissAutoSave = true;
					}
				} else {
					clearedToClose.reject();
				}

				if ( dismissLock || dismissAutoSave ) {
					wp.ajax.send( 'customize_dismiss_autosave_or_lock', {
						timeout: 500, // Don't wait too long.
						data: {
							wp_customize: 'on',
							customize_theme: api.settings.theme.stylesheet,
							customize_changeset_uuid: api.settings.changeset.uuid,
							nonce: api.settings.nonce.dismiss_autosave_or_lock,
							dismiss_autosave: dismissAutoSave,
							dismiss_lock: dismissLock
						}
					} ).always( function() {
						clearedToClose.resolve();
					} );
				}

				return clearedToClose.promise();
			}

			parent.bind( 'confirm-close', function() {
				requestClose().done( function() {
					parent.send( 'confirmed-close', true );
				} ).fail( function() {
					parent.send( 'confirmed-close', false );
				} );
			} );

			closeBtn.on( 'click.customize-controls-close', function( event ) {
				event.preventDefault();
				if ( isInsideIframe ) {
					parent.send( 'close' ); // See confirm-close logic above.
				} else {
					requestClose().done( function() {
						$( window ).off( 'beforeunload.customize-confirm' );
						window.location.href = closeBtn.prop( 'href' );
					} );
				}
			});
		})();

		// Pass events through to the parent.
		$.each( [ 'saved', 'change' ], function ( i, event ) {
			api.bind( event, function() {
				parent.send( event );
			});
		} );

		// Pass titles to the parent.
		api.bind( 'title', function( newTitle ) {
			parent.send( 'title', newTitle );
		});

		if ( api.settings.changeset.branching ) {
			parent.send( 'changeset-uuid', api.settings.changeset.uuid );
		}

		// Initialize the connection with the parent frame.
		parent.send( 'ready' );

		// Control visibility for default controls.
		$.each({
			'background_image': {
				controls: [ 'background_preset', 'background_position', 'background_size', 'background_repeat', 'background_attachment' ],
				callback: function( to ) { return !! to; }
			},
			'show_on_front': {
				controls: [ 'page_on_front', 'page_for_posts' ],
				callback: function( to ) { return 'page' === to; }
			},
			'header_textcolor': {
				controls: [ 'header_textcolor' ],
				callback: function( to ) { return 'blank' !== to; }
			}
		}, function( settingId, o ) {
			api( settingId, function( setting ) {
				$.each( o.controls, function( i, controlId ) {
					api.control( controlId, function( control ) {
						var visibility = function( to ) {
							control.container.toggle( o.callback( to ) );
						};

						visibility( setting.get() );
						setting.bind( visibility );
					});
				});
			});
		});

		api.control( 'background_preset', function( control ) {
			var visibility, defaultValues, values, toggleVisibility, updateSettings, preset;

			visibility = { // position, size, repeat, attachment.
				'default': [ false, false, false, false ],
				'fill': [ true, false, false, false ],
				'fit': [ true, false, true, false ],
				'repeat': [ true, false, false, true ],
				'custom': [ true, true, true, true ]
			};

			defaultValues = [
				_wpCustomizeBackground.defaults['default-position-x'],
				_wpCustomizeBackground.defaults['default-position-y'],
				_wpCustomizeBackground.defaults['default-size'],
				_wpCustomizeBackground.defaults['default-repeat'],
				_wpCustomizeBackground.defaults['default-attachment']
			];

			values = { // position_x, position_y, size, repeat, attachment.
				'default': defaultValues,
				'fill': [ 'left', 'top', 'cover', 'no-repeat', 'fixed' ],
				'fit': [ 'left', 'top', 'contain', 'no-repeat', 'fixed' ],
				'repeat': [ 'left', 'top', 'auto', 'repeat', 'scroll' ]
			};

			// @todo These should actually toggle the active state,
			// but without the preview overriding the state in data.activeControls.
			toggleVisibility = function( preset ) {
				_.each( [ 'background_position', 'background_size', 'background_repeat', 'background_attachment' ], function( controlId, i ) {
					var control = api.control( controlId );
					if ( control ) {
						control.container.toggle( visibility[ preset ][ i ] );
					}
				} );
			};

			updateSettings = function( preset ) {
				_.each( [ 'background_position_x', 'background_position_y', 'background_size', 'background_repeat', 'background_attachment' ], function( settingId, i ) {
					var setting = api( settingId );
					if ( setting ) {
						setting.set( values[ preset ][ i ] );
					}
				} );
			};

			preset = control.setting.get();
			toggleVisibility( preset );

			control.setting.bind( 'change', function( preset ) {
				toggleVisibility( preset );
				if ( 'custom' !== preset ) {
					updateSettings( preset );
				}
			} );
		} );

		api.control( 'background_repeat', function( control ) {
			control.elements[0].unsync( api( 'background_repeat' ) );

			control.element = new api.Element( control.container.find( 'input' ) );
			control.element.set( 'no-repeat' !== control.setting() );

			control.element.bind( function( to ) {
				control.setting.set( to ? 'repeat' : 'no-repeat' );
			} );

			control.setting.bind( function( to ) {
				control.element.set( 'no-repeat' !== to );
			} );
		} );

		api.control( 'background_attachment', function( control ) {
			control.elements[0].unsync( api( 'background_attachment' ) );

			control.element = new api.Element( control.container.find( 'input' ) );
			control.element.set( 'fixed' !== control.setting() );

			control.element.bind( function( to ) {
				control.setting.set( to ? 'scroll' : 'fixed' );
			} );

			control.setting.bind( function( to ) {
				control.element.set( 'fixed' !== to );
			} );
		} );

		// Juggle the two controls that use header_textcolor.
		api.control( 'display_header_text', function( control ) {
			var last = '';

			control.elements[0].unsync( api( 'header_textcolor' ) );

			control.element = new api.Element( control.container.find('input') );
			control.element.set( 'blank' !== control.setting() );

			control.element.bind( function( to ) {
				if ( ! to ) {
					last = api( 'header_textcolor' ).get();
				}

				control.setting.set( to ? last : 'blank' );
			});

			control.setting.bind( function( to ) {
				control.element.set( 'blank' !== to );
			});
		});

		// Add behaviors to the static front page controls.
		api( 'show_on_front', 'page_on_front', 'page_for_posts', function( showOnFront, pageOnFront, pageForPosts ) {
			var handleChange = function() {
				var setting = this, pageOnFrontId, pageForPostsId, errorCode = 'show_on_front_page_collision';
				pageOnFrontId = parseInt( pageOnFront(), 10 );
				pageForPostsId = parseInt( pageForPosts(), 10 );

				if ( 'page' === showOnFront() ) {

					// Change previewed URL to the homepage when changing the page_on_front.
					if ( setting === pageOnFront && pageOnFrontId > 0 ) {
						api.previewer.previewUrl.set( api.settings.url.home );
					}

					// Change the previewed URL to the selected page when changing the page_for_posts.
					if ( setting === pageForPosts && pageForPostsId > 0 ) {
						api.previewer.previewUrl.set( api.settings.url.home + '?page_id=' + pageForPostsId );
					}
				}

				// Toggle notification when the homepage and posts page are both set and the same.
				if ( 'page' === showOnFront() && pageOnFrontId && pageForPostsId && pageOnFrontId === pageForPostsId ) {
					showOnFront.notifications.add( new api.Notification( errorCode, {
						type: 'error',
						message: api.l10n.pageOnFrontError
					} ) );
				} else {
					showOnFront.notifications.remove( errorCode );
				}
			};
			showOnFront.bind( handleChange );
			pageOnFront.bind( handleChange );
			pageForPosts.bind( handleChange );
			handleChange.call( showOnFront, showOnFront() ); // Make sure initial notification is added after loading existing changeset.

			// Move notifications container to the bottom.
			api.control( 'show_on_front', function( showOnFrontControl ) {
				showOnFrontControl.deferred.embedded.done( function() {
					showOnFrontControl.container.append( showOnFrontControl.getNotificationsContainerElement() );
				});
			});
		});

		// Add code editor for Custom CSS.
		(function() {
			var sectionReady = $.Deferred();

			api.section( 'custom_css', function( section ) {
				section.deferred.embedded.done( function() {
					if ( section.expanded() ) {
						sectionReady.resolve( section );
					} else {
						section.expanded.bind( function( isExpanded ) {
							if ( isExpanded ) {
								sectionReady.resolve( section );
							}
						} );
					}
				});
			});

			// Set up the section description behaviors.
			sectionReady.done( function setupSectionDescription( section ) {
				var control = api.control( 'custom_css' );

				// Hide redundant label for visual users.
				control.container.find( '.customize-control-title:first' ).addClass( 'screen-reader-text' );

				// Close the section description when clicking the close button.
				section.container.find( '.section-description-buttons .section-description-close' ).on( 'click', function() {
					section.container.find( '.section-meta .customize-section-description:first' )
						.removeClass( 'open' )
						.slideUp();

					section.container.find( '.customize-help-toggle' )
						.attr( 'aria-expanded', 'false' )
						.focus(); // Avoid focus loss.
				});

				// Reveal help text if setting is empty.
				if ( control && ! control.setting.get() ) {
					section.container.find( '.section-meta .customize-section-description:first' )
						.addClass( 'open' )
						.show()
						.trigger( 'toggled' );

					section.container.find( '.customize-help-toggle' ).attr( 'aria-expanded', 'true' );
				}
			});
		})();

		// Toggle visibility of Header Video notice when active state change.
		api.control( 'header_video', function( headerVideoControl ) {
			headerVideoControl.deferred.embedded.done( function() {
				var toggleNotice = function() {
					var section = api.section( headerVideoControl.section() ), noticeCode = 'video_header_not_available';
					if ( ! section ) {
						return;
					}
					if ( headerVideoControl.active.get() ) {
						section.notifications.remove( noticeCode );
					} else {
						section.notifications.add( new api.Notification( noticeCode, {
							type: 'info',
							message: api.l10n.videoHeaderNotice
						} ) );
					}
				};
				toggleNotice();
				headerVideoControl.active.bind( toggleNotice );
			} );
		} );

		// Update the setting validities.
		api.previewer.bind( 'selective-refresh-setting-validities', function handleSelectiveRefreshedSettingValidities( settingValidities ) {
			api._handleSettingValidities( {
				settingValidities: settingValidities,
				focusInvalidControl: false
			} );
		} );

		// Focus on the control that is associated with the given setting.
		api.previewer.bind( 'focus-control-for-setting', function( settingId ) {
			var matchedControls = [];
			api.control.each( function( control ) {
				var settingIds = _.pluck( control.settings, 'id' );
				if ( -1 !== _.indexOf( settingIds, settingId ) ) {
					matchedControls.push( control );
				}
			} );

			// Focus on the matched control with the lowest priority (appearing higher).
			if ( matchedControls.length ) {
				matchedControls.sort( function( a, b ) {
					return a.priority() - b.priority();
				} );
				matchedControls[0].focus();
			}
		} );

		// Refresh the preview when it requests.
		api.previewer.bind( 'refresh', function() {
			api.previewer.refresh();
		});

		// Update the edit shortcut visibility state.
		api.state( 'paneVisible' ).bind( function( isPaneVisible ) {
			var isMobileScreen;
			if ( window.matchMedia ) {
				isMobileScreen = window.matchMedia( 'screen and ( max-width: 640px )' ).matches;
			} else {
				isMobileScreen = $( window ).width() <= 640;
			}
			api.state( 'editShortcutVisibility' ).set( isPaneVisible || isMobileScreen ? 'visible' : 'hidden' );
		} );
		if ( window.matchMedia ) {
			window.matchMedia( 'screen and ( max-width: 640px )' ).addListener( function() {
				var state = api.state( 'paneVisible' );
				state.callbacks.fireWith( state, [ state.get(), state.get() ] );
			} );
		}
		api.previewer.bind( 'edit-shortcut-visibility', function( visibility ) {
			api.state( 'editShortcutVisibility' ).set( visibility );
		} );
		api.state( 'editShortcutVisibility' ).bind( function( visibility ) {
			api.previewer.send( 'edit-shortcut-visibility', visibility );
		} );

		// Autosave changeset.
		function startAutosaving() {
			var timeoutId, updateChangesetWithReschedule, scheduleChangesetUpdate, updatePending = false;

			api.unbind( 'change', startAutosaving ); // Ensure startAutosaving only fires once.

			function onChangeSaved( isSaved ) {
				if ( ! isSaved && ! api.settings.changeset.autosaved ) {
					api.settings.changeset.autosaved = true; // Once a change is made then autosaving kicks in.
					api.previewer.send( 'autosaving' );
				}
			}
			api.state( 'saved' ).bind( onChangeSaved );
			onChangeSaved( api.state( 'saved' ).get() );

			/**
			 * Request changeset update and then re-schedule the next changeset update time.
			 *
			 * @since 4.7.0
			 * @private
			 */
			updateChangesetWithReschedule = function() {
				if ( ! updatePending ) {
					updatePending = true;
					api.requestChangesetUpdate( {}, { autosave: true } ).always( function() {
						updatePending = false;
					} );
				}
				scheduleChangesetUpdate();
			};

			/**
			 * Schedule changeset update.
			 *
			 * @since 4.7.0
			 * @private
			 */
			scheduleChangesetUpdate = function() {
				clearTimeout( timeoutId );
				timeoutId = setTimeout( function() {
					updateChangesetWithReschedule();
				}, api.settings.timeouts.changesetAutoSave );
			};

			// Start auto-save interval for updating changeset.
			scheduleChangesetUpdate();

			// Save changeset when focus removed from window.
			$( document ).on( 'visibilitychange.wp-customize-changeset-update', function() {
				if ( document.hidden ) {
					updateChangesetWithReschedule();
				}
			} );

			// Save changeset before unloading window.
			$( window ).on( 'beforeunload.wp-customize-changeset-update', function() {
				updateChangesetWithReschedule();
			} );
		}
		api.bind( 'change', startAutosaving );

		// Make sure TinyMCE dialogs appear above Customizer UI.
		$( document ).one( 'tinymce-editor-setup', function() {
			if ( window.tinymce.ui.FloatPanel && ( ! window.tinymce.ui.FloatPanel.zIndex || window.tinymce.ui.FloatPanel.zIndex < 500001 ) ) {
				window.tinymce.ui.FloatPanel.zIndex = 500001;
			}
		} );

		body.addClass( 'ready' );
		api.trigger( 'ready' );
	});

})( wp, jQuery );
PK       ! xBe��G  �G    user-profile.jsnu �[���        /**
 * @output wp-admin/js/user-profile.js
 */

/* global ajaxurl, pwsL10n, userProfileL10n, ClipboardJS */
(function($) {
	var updateLock = false,
		isSubmitting = false,
		__ = wp.i18n.__,
		clipboard = new ClipboardJS( '.application-password-display .copy-button' ),
		$pass1Row,
		$pass1,
		$pass2,
		$weakRow,
		$weakCheckbox,
		$toggleButton,
		$submitButtons,
		$submitButton,
		currentPass,
		$form,
		originalFormContent,
		$passwordWrapper,
		successTimeout,
		isMac = window.navigator.platform ? window.navigator.platform.indexOf( 'Mac' ) !== -1 : false, 
		ua = navigator.userAgent.toLowerCase(),
		isSafari = window.safari !== 'undefined' && typeof window.safari === 'object',
		isFirefox = ua.indexOf( 'firefox' ) !== -1;

	function generatePassword() {
		if ( typeof zxcvbn !== 'function' ) {
			setTimeout( generatePassword, 50 );
			return;
		} else if ( ! $pass1.val() || $passwordWrapper.hasClass( 'is-open' ) ) {
			// zxcvbn loaded before user entered password, or generating new password.
			$pass1.val( $pass1.data( 'pw' ) );
			$pass1.trigger( 'pwupdate' );
			showOrHideWeakPasswordCheckbox();
		} else {
			// zxcvbn loaded after the user entered password, check strength.
			check_pass_strength();
			showOrHideWeakPasswordCheckbox();
		}

		/*
		 * This works around a race condition when zxcvbn loads quickly and
		 * causes `generatePassword()` to run prior to the toggle button being
		 * bound.
		 */
		bindToggleButton();

		// Install screen.
		if ( 1 !== parseInt( $toggleButton.data( 'start-masked' ), 10 ) ) {
			// Show the password not masked if admin_password hasn't been posted yet.
			$pass1.attr( 'type', 'text' );
		} else {
			// Otherwise, mask the password.
			$toggleButton.trigger( 'click' );
		}

		// Once zxcvbn loads, passwords strength is known.
		$( '#pw-weak-text-label' ).text( __( 'Confirm use of weak password' ) );

		// Focus the password field if not the install screen.
		if ( 'mailserver_pass' !== $pass1.prop('id' ) && ! $('#weblog_title').length ) {
			$( $pass1 ).trigger( 'focus' );
		}
	}

	function bindPass1() {
		currentPass = $pass1.val();

		if ( 1 === parseInt( $pass1.data( 'reveal' ), 10 ) ) {
			generatePassword();
		}

		$pass1.on( 'input' + ' pwupdate', function () {
			if ( $pass1.val() === currentPass ) {
				return;
			}

			currentPass = $pass1.val();

			// Refresh password strength area.
			$pass1.removeClass( 'short bad good strong' );
			showOrHideWeakPasswordCheckbox();
		} );

		bindCapsLockWarning( $pass1 );
	}

	function resetToggle( show ) {
		$toggleButton
			.attr({
				'aria-label': show ? __( 'Show password' ) : __( 'Hide password' )
			})
			.find( '.text' )
				.text( show ? __( 'Show' ) : __( 'Hide' ) )
			.end()
			.find( '.dashicons' )
				.removeClass( show ? 'dashicons-hidden' : 'dashicons-visibility' )
				.addClass( show ? 'dashicons-visibility' : 'dashicons-hidden' );
	}

	function bindToggleButton() {
		if ( !! $toggleButton ) {
			// Do not rebind.
			return;
		}
		$toggleButton = $pass1Row.find('.wp-hide-pw');

		// Toggle between showing and hiding the password.
		$toggleButton.show().on( 'click', function () {
			if ( 'password' === $pass1.attr( 'type' ) ) {
				$pass1.attr( 'type', 'text' );
				resetToggle( false );
			} else {
				$pass1.attr( 'type', 'password' );
				resetToggle( true );
			}
		});

		// Ensure the password input type is set to password when the form is submitted.
		$pass1Row.closest( 'form' ).on( 'submit', function() {
			if ( $pass1.attr( 'type' ) === 'text' ) {
				$pass1.attr( 'type', 'password' );
				resetToggle( true );
			}
		} );
	}

	/**
	 * Handle the password reset button. Sets up an ajax callback to trigger sending
	 * a password reset email.
	 */
	function bindPasswordResetLink() {
		$( '#generate-reset-link' ).on( 'click', function() {
			var $this  = $(this),
				data = {
					'user_id': userProfileL10n.user_id, // The user to send a reset to.
					'nonce':   userProfileL10n.nonce    // Nonce to validate the action.
				};

				// Remove any previous error messages.
				$this.parent().find( '.notice-error' ).remove();

				// Send the reset request.
				var resetAction =  wp.ajax.post( 'send-password-reset', data );

				// Handle reset success.
				resetAction.done( function( response ) {
					addInlineNotice( $this, true, response );
				} );

				// Handle reset failure.
				resetAction.fail( function( response ) {
					addInlineNotice( $this, false, response );
				} );

		});

	}

	/**
	 * Helper function to insert an inline notice of success or failure.
	 *
	 * @param {jQuery Object} $this   The button element: the message will be inserted
	 *                                above this button
	 * @param {bool}          success Whether the message is a success message.
	 * @param {string}        message The message to insert.
	 */
	function addInlineNotice( $this, success, message ) {
		var resultDiv = $( '<div />', {
			role: 'alert'
		} );

		// Set up the notice div.
		resultDiv.addClass( 'notice inline' );

		// Add a class indicating success or failure.
		resultDiv.addClass( 'notice-' + ( success ? 'success' : 'error' ) );

		// Add the message, wrapping in a p tag, with a fadein to highlight each message.
		resultDiv.text( $( $.parseHTML( message ) ).text() ).wrapInner( '<p />');

		// Disable the button when the callback has succeeded.
		$this.prop( 'disabled', success );

		// Remove any previous notices.
		$this.siblings( '.notice' ).remove();

		// Insert the notice.
		$this.before( resultDiv );
	}

	function bindPasswordForm() {
		var $generateButton,
			$cancelButton;

		$pass1Row = $( '.user-pass1-wrap, .user-pass-wrap, .mailserver-pass-wrap, .reset-pass-submit' );

		// Hide the confirm password field when JavaScript support is enabled.
		$('.user-pass2-wrap').hide();

		$submitButton = $( '#submit, #wp-submit' ).on( 'click', function () {
			updateLock = false;
		});

		$submitButtons = $submitButton.add( ' #createusersub' );

		$weakRow = $( '.pw-weak' );
		$weakCheckbox = $weakRow.find( '.pw-checkbox' );
		$weakCheckbox.on( 'change', function() {
			$submitButtons.prop( 'disabled', ! $weakCheckbox.prop( 'checked' ) );
		} );

		$pass1 = $('#pass1, #mailserver_pass');
		if ( $pass1.length ) {
			bindPass1();
		} else {
			// Password field for the login form.
			$pass1 = $( '#user_pass' );

			bindCapsLockWarning( $pass1 );
		}

		/*
		 * Fix a LastPass mismatch issue, LastPass only changes pass2.
		 *
		 * This fixes the issue by copying any changes from the hidden
		 * pass2 field to the pass1 field, then running check_pass_strength.
		 */
		$pass2 = $( '#pass2' ).on( 'input', function () {
			if ( $pass2.val().length > 0 ) {
				$pass1.val( $pass2.val() );
				$pass2.val('');
				currentPass = '';
				$pass1.trigger( 'pwupdate' );
			}
		} );

		// Disable hidden inputs to prevent autofill and submission.
		if ( $pass1.is( ':hidden' ) ) {
			$pass1.prop( 'disabled', true );
			$pass2.prop( 'disabled', true );
		}

		$passwordWrapper = $pass1Row.find( '.wp-pwd' );
		$generateButton  = $pass1Row.find( 'button.wp-generate-pw' );

		bindToggleButton();

		$generateButton.show();
		$generateButton.on( 'click', function () {
			updateLock = true;

			// Make sure the password fields are shown.
			$generateButton.not( '.skip-aria-expanded' ).attr( 'aria-expanded', 'true' );
			$passwordWrapper
				.show()
				.addClass( 'is-open' );

			// Enable the inputs when showing.
			$pass1.attr( 'disabled', false );
			$pass2.attr( 'disabled', false );

			// Set the password to the generated value.
			generatePassword();

			// Show generated password in plaintext by default.
			resetToggle ( false );

			// Generate the next password and cache.
			wp.ajax.post( 'generate-password' )
				.done( function( data ) {
					$pass1.data( 'pw', data );
				} );
		} );

		$cancelButton = $pass1Row.find( 'button.wp-cancel-pw' );
		$cancelButton.on( 'click', function () {
			updateLock = false;

			// Disable the inputs when hiding to prevent autofill and submission.
			$pass1.prop( 'disabled', true );
			$pass2.prop( 'disabled', true );

			// Clear password field and update the UI.
			$pass1.val( '' ).trigger( 'pwupdate' );
			resetToggle( false );

			// Hide password controls.
			$passwordWrapper
				.hide()
				.removeClass( 'is-open' );

			// Stop an empty password from being submitted as a change.
			$submitButtons.prop( 'disabled', false );

			$generateButton.attr( 'aria-expanded', 'false' );
		} );

		$pass1Row.closest( 'form' ).on( 'submit', function () {
			updateLock = false;

			$pass1.prop( 'disabled', false );
			$pass2.prop( 'disabled', false );
			$pass2.val( $pass1.val() );
		});
	}

	function check_pass_strength() {
		var pass1 = $('#pass1').val(), strength;

		$('#pass-strength-result').removeClass('short bad good strong empty');
		if ( ! pass1 || '' ===  pass1.trim() ) {
			$( '#pass-strength-result' ).addClass( 'empty' ).html( '&nbsp;' );
			return;
		}

		strength = wp.passwordStrength.meter( pass1, wp.passwordStrength.userInputDisallowedList(), pass1 );

		switch ( strength ) {
			case -1:
				$( '#pass-strength-result' ).addClass( 'bad' ).html( pwsL10n.unknown );
				break;
			case 2:
				$('#pass-strength-result').addClass('bad').html( pwsL10n.bad );
				break;
			case 3:
				$('#pass-strength-result').addClass('good').html( pwsL10n.good );
				break;
			case 4:
				$('#pass-strength-result').addClass('strong').html( pwsL10n.strong );
				break;
			case 5:
				$('#pass-strength-result').addClass('short').html( pwsL10n.mismatch );
				break;
			default:
				$('#pass-strength-result').addClass('short').html( pwsL10n.short );
		}
	}

	/**
	 * Bind Caps Lock detection to a password input field.
	 *
	 * @param {jQuery} $input The password input field.
	 */
	function bindCapsLockWarning( $input ) {
		var $capsWarning,
			$capsIcon,
			$capsText,
			capsLockOn = false;

		// Skip warning on macOS Safari + Firefox (they show native indicators).
		if ( isMac && ( isSafari || isFirefox ) ) {
			return;
		}

		$capsWarning = $( '<div id="caps-warning" class="caps-warning"></div>' );
		$capsIcon    = $( '<span class="caps-icon" aria-hidden="true"><svg viewBox="0 0 24 26" xmlns="http://www.w3.org/2000/svg" fill="#3c434a" stroke="#3c434a" stroke-width="0.5"><path d="M12 5L19 15H16V19H8V15H5L12 5Z"/><rect x="8" y="21" width="8" height="1.5" rx="0.75"/></svg></span>' );
		$capsText    = $( '<span>', { 'class': 'caps-warning-text', text: __( 'Caps lock is on.' ) } );
		$capsWarning.append( $capsIcon, $capsText );

		$input.parent( 'div' ).append( $capsWarning );

		$input.on( 'keydown', function( jqEvent ) {
			var event = jqEvent.originalEvent;

			// Skip if key is not a printable character.
			// Key length > 1 usually means non-printable (e.g., "Enter", "Tab").
			if ( event.ctrlKey || event.metaKey || event.altKey || ! event.key || event.key.length !== 1 ) {
				return;
			}

			var state = isCapsLockOn( event );

			// React when the state changes or if caps lock is on when the user starts typing.
			if ( state !== capsLockOn ) {
				capsLockOn = state;

				if ( capsLockOn ) {
					$capsWarning.show();
					// Don't duplicate existing screen reader Caps lock notifications.
					if ( event.key !== 'CapsLock' ) {
						wp.a11y.speak( __( 'Caps lock is on.' ), 'assertive' );
					}
				} else {
					$capsWarning.hide();
				}
			}
		} );

		$input.on( 'blur', function() {
			if ( ! document.hasFocus() ) {
				return;
			}
			capsLockOn = false;
			$capsWarning.hide();
		} );
	}

	/**
	 * Determines if Caps Lock is currently enabled.
	 *
	 * On macOS Safari and Firefox, the native warning is preferred,
	 * so this function returns false to suppress custom warnings.
	 *
	 * @param {KeyboardEvent} e The keydown event object.
	 *
	 * @return {boolean} True if Caps Lock is on, false otherwise. 
	 */
	function isCapsLockOn( event ) {
		return event.getModifierState( 'CapsLock' );
	}

	function showOrHideWeakPasswordCheckbox() {
		var passStrengthResult = $('#pass-strength-result');

		if ( passStrengthResult.length ) {
			var passStrength = passStrengthResult[0];

			if ( passStrength.className ) {
				$pass1.addClass( passStrength.className );
				if ( $( passStrength ).is( '.short, .bad' ) ) {
					if ( ! $weakCheckbox.prop( 'checked' ) ) {
						$submitButtons.prop( 'disabled', true );
					}
					$weakRow.show();
				} else {
					if ( $( passStrength ).is( '.empty' ) ) {
						$submitButtons.prop( 'disabled', true );
						$weakCheckbox.prop( 'checked', false );
					} else {
						$submitButtons.prop( 'disabled', false );
					}
					$weakRow.hide();
				}
			}
		}
	}

	// Debug information copy section.
	clipboard.on( 'success', function( e ) {
		var triggerElement = $( e.trigger ),
			successElement = $( '.success', triggerElement.closest( '.application-password-display' ) );

		// Clear the selection and move focus back to the trigger.
		e.clearSelection();

		// Show success visual feedback.
		clearTimeout( successTimeout );
		successElement.removeClass( 'hidden' );

		// Hide success visual feedback after 3 seconds since last success.
		successTimeout = setTimeout( function() {
			successElement.addClass( 'hidden' );
		}, 3000 );

		// Handle success audible feedback.
		wp.a11y.speak( __( 'Application password has been copied to your clipboard.' ) );
	} );

	$( function() {
		var $colorpicker, $stylesheet, user_id, current_user_id,
			select       = $( '#display_name' ),
			current_name = select.val(),
			greeting     = $( '#wp-admin-bar-my-account' ).find( '.display-name' );

		$( '#pass1' ).val( '' ).on( 'input' + ' pwupdate', check_pass_strength );
		$('#pass-strength-result').show();
		$('.color-palette').on( 'click', function() {
			$(this).siblings('input[name="admin_color"]').prop('checked', true);
		});

		if ( select.length ) {
			$('#first_name, #last_name, #nickname').on( 'blur.user_profile', function() {
				var dub = [],
					inputs = {
						display_nickname  : $('#nickname').val() || '',
						display_username  : $('#user_login').val() || '',
						display_firstname : $('#first_name').val() || '',
						display_lastname  : $('#last_name').val() || ''
					};

				if ( inputs.display_firstname && inputs.display_lastname ) {
					inputs.display_firstlast = inputs.display_firstname + ' ' + inputs.display_lastname;
					inputs.display_lastfirst = inputs.display_lastname + ' ' + inputs.display_firstname;
				}

				$.each( $('option', select), function( i, el ){
					dub.push( el.value );
				});

				$.each(inputs, function( id, value ) {
					if ( ! value ) {
						return;
					}

					var val = value.replace(/<\/?[a-z][^>]*>/gi, '');

					if ( inputs[id].length && $.inArray( val, dub ) === -1 ) {
						dub.push(val);
						$('<option />', {
							'text': val
						}).appendTo( select );
					}
				});
			});

			/**
			 * Replaces "Howdy, *" in the admin toolbar whenever the display name dropdown is updated for one's own profile.
			 */
			select.on( 'change', function() {
				if ( user_id !== current_user_id ) {
					return;
				}

				var display_name = this.value.trim() || current_name;

				greeting.text( display_name );
			} );
		}

		$colorpicker = $( '#color-picker' );
		$stylesheet = $( '#colors-css' );
		user_id = $( 'input#user_id' ).val();
		current_user_id = $( 'input[name="checkuser_id"]' ).val();

		$colorpicker.on( 'click.colorpicker', '.color-option', function() {
			var colors,
				$this = $(this);

			if ( $this.hasClass( 'selected' ) ) {
				return;
			}

			$this.siblings( '.selected' ).removeClass( 'selected' );
			$this.addClass( 'selected' ).find( 'input[type="radio"]' ).prop( 'checked', true );

			// Set color scheme.
			if ( user_id === current_user_id ) {
				// Load the colors stylesheet.
				// The default color scheme won't have one, so we'll need to create an element.
				if ( 0 === $stylesheet.length ) {
					$stylesheet = $( '<link rel="stylesheet" />' ).appendTo( 'head' );
				}
				$stylesheet.attr( 'href', $this.children( '.css_url' ).val() );

				// Repaint icons.
				if ( typeof wp !== 'undefined' && wp.svgPainter ) {
					try {
						colors = JSON.parse( $this.children( '.icon_colors' ).val() );
					} catch ( error ) {}

					if ( colors ) {
						wp.svgPainter.setColors( colors );
						wp.svgPainter.paint();
					}
				}

				// Update user option.
				$.post( ajaxurl, {
					action:       'save-user-color-scheme',
					color_scheme: $this.children( 'input[name="admin_color"]' ).val(),
					nonce:        $('#color-nonce').val()
				}).done( function( response ) {
					if ( response.success ) {
						$( 'body' ).removeClass( response.data.previousScheme ).addClass( response.data.currentScheme );
					}
				});
			}
		});

		bindPasswordForm();
		bindPasswordResetLink();
		$submitButtons.on( 'click', function() {
			isSubmitting = true;
		});

		$form = $( '#your-profile, #createuser' );
		originalFormContent = $form.serialize();
	});

	$( '#destroy-sessions' ).on( 'click', function( e ) {
		var $this = $(this);

		wp.ajax.post( 'destroy-sessions', {
			nonce: $( '#_wpnonce' ).val(),
			user_id: $( '#user_id' ).val()
		}).done( function( response ) {
			$this.prop( 'disabled', true );
			$this.siblings( '.notice' ).remove();
			$this.before( '<div class="notice notice-success inline" role="alert"><p>' + response.message + '</p></div>' );
		}).fail( function( response ) {
			$this.siblings( '.notice' ).remove();
			$this.before( '<div class="notice notice-error inline" role="alert"><p>' + response.message + '</p></div>' );
		});

		e.preventDefault();
	});

	window.generatePassword = generatePassword;

	// Warn the user if password was generated but not saved.
	$( window ).on( 'beforeunload', function () {
		if ( true === updateLock ) {
			return __( 'Your new password has not been saved.' );
		}
		if ( originalFormContent !== $form.serialize() && ! isSubmitting ) {
			return __( 'The changes you made will be lost if you navigate away from this page.' );
		}
	});

	/*
	 * We need to generate a password as soon as the Reset Password page is loaded,
	 * to avoid double clicking the button to retrieve the first generated password.
	 * See ticket #39638.
	 */
	$( function() {
		if ( $( '.reset-pass-submit' ).length ) {
			$( '.reset-pass-submit button.wp-generate-pw' ).trigger( 'click' );
		}
	});

})(jQuery);
PK       ! -�u  u    inline-edit-tax.jsnu �[���        /**
 * This file is used on the term overview page to power quick-editing terms.
 *
 * @output wp-admin/js/inline-edit-tax.js
 */

/* global ajaxurl, inlineEditTax */

window.wp = window.wp || {};

/**
 * Consists of functions relevant to the inline taxonomy editor.
 *
 * @namespace inlineEditTax
 *
 * @property {string} type The type of inline edit we are currently on.
 * @property {string} what The type property with a hash prefixed and a dash
 *                         suffixed.
 */
( function( $, wp ) {

window.inlineEditTax = {

	/**
	 * Initializes the inline taxonomy editor by adding event handlers to be able to
	 * quick edit.
	 *
	 * @since 2.7.0
	 *
	 * @this inlineEditTax
	 * @memberof inlineEditTax
	 * @return {void}
	 */
	init : function() {
		var t = this, row = $('#inline-edit');

		t.type = $('#the-list').attr('data-wp-lists').substr(5);
		t.what = '#'+t.type+'-';

		$( '#the-list' ).on( 'click', '.editinline', function() {
			$( this ).attr( 'aria-expanded', 'true' );
			inlineEditTax.edit( this );
		});

		/**
		 * Cancels inline editing when pressing Escape inside the inline editor.
		 *
		 * @param {Object} e The keyup event that has been triggered.
		 */
		row.on( 'keyup', function( e ) {
			// 27 = [Escape].
			if ( e.which === 27 ) {
				return inlineEditTax.revert();
			}
		});

		/**
		 * Cancels inline editing when clicking the cancel button.
		 */
		$( '.cancel', row ).on( 'click', function() {
			return inlineEditTax.revert();
		});

		/**
		 * Saves the inline edits when clicking the save button.
		 */
		$( '.save', row ).on( 'click', function() {
			return inlineEditTax.save(this);
		});

		/**
		 * Saves the inline edits when pressing Enter inside the inline editor.
		 */
		$( 'input, select', row ).on( 'keydown', function( e ) {
			// 13 = [Enter].
			if ( e.which === 13 ) {
				return inlineEditTax.save( this );
			}
		});

		/**
		 * Saves the inline edits on submitting the inline edit form.
		 */
		$( '#posts-filter input[type="submit"]' ).on( 'mousedown', function() {
			t.revert();
		});
	},

	/**
	 * Toggles the quick edit based on if it is currently shown or hidden.
	 *
	 * @since 2.7.0
	 *
	 * @this inlineEditTax
	 * @memberof inlineEditTax
	 *
	 * @param {HTMLElement} el An element within the table row or the table row
	 *                         itself that we want to quick edit.
	 * @return {void}
	 */
	toggle : function(el) {
		var t = this;

		$(t.what+t.getId(el)).css('display') === 'none' ? t.revert() : t.edit(el);
	},

	/**
	 * Shows the quick editor
	 *
	 * @since 2.7.0
	 *
	 * @this inlineEditTax
	 * @memberof inlineEditTax
	 *
	 * @param {string|HTMLElement} id The ID of the term we want to quick edit or an
	 *                                element within the table row or the
	 * table row itself.
	 * @return {boolean} Always returns false.
	 */
	edit : function(id) {
		var editRow, rowData, val,
			t = this;
		t.revert();

		// Makes sure we can pass an HTMLElement as the ID.
		if ( typeof(id) === 'object' ) {
			id = t.getId(id);
		}

		editRow = $('#inline-edit').clone(true), rowData = $('#inline_'+id);
		$( 'td', editRow ).attr( 'colspan', $( 'th:visible, td:visible', '.wp-list-table.widefat:first thead' ).length );

		$(t.what+id).hide().after(editRow).after('<tr class="hidden"></tr>');

		val = $('.name', rowData);
		val.find( 'img' ).replaceWith( function() { return this.alt; } );
		val = val.text();
		$(':input[name="name"]', editRow).val( val );

		val = $('.slug', rowData);
		val.find( 'img' ).replaceWith( function() { return this.alt; } );
		val = val.text();
		$(':input[name="slug"]', editRow).val( val );

		$(editRow).attr('id', 'edit-'+id).addClass('inline-editor').show();
		$('.ptitle', editRow).eq(0).trigger( 'focus' );

		return false;
	},

	/**
	 * Saves the quick edit data.
	 *
	 * Saves the quick edit data to the server and replaces the table row with the
	 * HTML retrieved from the server.
	 *
	 * @since 2.7.0
	 *
	 * @this inlineEditTax
	 * @memberof inlineEditTax
	 *
	 * @param {string|HTMLElement} id The ID of the term we want to quick edit or an
	 *                                element within the table row or the
	 * table row itself.
	 * @return {boolean} Always returns false.
	 */
	save : function(id) {
		var params, fields, tax = $('input[name="taxonomy"]').val() || '';

		// Makes sure we can pass an HTMLElement as the ID.
		if( typeof(id) === 'object' ) {
			id = this.getId(id);
		}

		$( 'table.widefat .spinner' ).addClass( 'is-active' );

		params = {
			action: 'inline-save-tax',
			tax_type: this.type,
			tax_ID: id,
			taxonomy: tax
		};

		fields = $('#edit-'+id).find(':input').serialize();
		params = fields + '&' + $.param(params);

		// Do the Ajax request to save the data to the server.
		$.post( ajaxurl, params,
			/**
			 * Handles the response from the server
			 *
			 * Handles the response from the server, replaces the table row with the response
			 * from the server.
			 *
			 * @param {string} r The string with which to replace the table row.
			 */
			function(r) {
				var row, new_id, option_value,
					$errorNotice = $( '#edit-' + id + ' .inline-edit-save .notice-error' ),
					$error = $errorNotice.find( '.error' );

				$( 'table.widefat .spinner' ).removeClass( 'is-active' );

				if (r) {
					if ( -1 !== r.indexOf( '<tr' ) ) {
						$(inlineEditTax.what+id).siblings('tr.hidden').addBack().remove();
						new_id = $(r).attr('id');

						$('#edit-'+id).before(r).remove();

						if ( new_id ) {
							option_value = new_id.replace( inlineEditTax.type + '-', '' );
							row = $( '#' + new_id );
						} else {
							option_value = id;
							row = $( inlineEditTax.what + id );
						}

						// Update the value in the Parent dropdown.
						$( '#parent' ).find( 'option[value=' + option_value + ']' ).text( row.find( '.row-title' ).text() );

						row.hide().fadeIn( 400, function() {
							// Move focus back to the Quick Edit button.
							row.find( '.editinline' )
								.attr( 'aria-expanded', 'false' )
								.trigger( 'focus' );
							wp.a11y.speak( wp.i18n.__( 'Changes saved.' ) );
						});

					} else {
						$errorNotice.removeClass( 'hidden' );
						$error.html( r );
						/*
						 * Some error strings may contain HTML entities (e.g. `&#8220`), let's use
						 * the HTML element's text.
						 */
						wp.a11y.speak( $error.text() );
					}
				} else {
					$errorNotice.removeClass( 'hidden' );
					$error.text( wp.i18n.__( 'Error while saving the changes.' ) );
					wp.a11y.speak( wp.i18n.__( 'Error while saving the changes.' ) );
				}
			}
		);

		// Prevent submitting the form when pressing Enter on a focused field.
		return false;
	},

	/**
	 * Closes the quick edit form.
	 *
	 * @since 2.7.0
	 *
	 * @this inlineEditTax
	 * @memberof inlineEditTax
	 * @return {void}
	 */
	revert : function() {
		var id = $('table.widefat tr.inline-editor').attr('id');

		if ( id ) {
			$( 'table.widefat .spinner' ).removeClass( 'is-active' );
			$('#'+id).siblings('tr.hidden').addBack().remove();
			id = id.substr( id.lastIndexOf('-') + 1 );

			// Show the taxonomy row and move focus back to the Quick Edit button.
			$( this.what + id ).show().find( '.editinline' )
				.attr( 'aria-expanded', 'false' )
				.trigger( 'focus' );
		}
	},

	/**
	 * Retrieves the ID of the term of the element inside the table row.
	 *
	 * @since 2.7.0
	 *
	 * @memberof inlineEditTax
	 *
	 * @param {HTMLElement} o An element within the table row or the table row itself.
	 * @return {string} The ID of the term based on the element.
	 */
	getId : function(o) {
		var id = o.tagName === 'TR' ? o.id : $(o).parents('tr').attr('id'), parts = id.split('-');

		return parts[parts.length - 1];
	}
};

$( function() { inlineEditTax.init(); } );

})( jQuery, window.wp );
PK       ! @9V�  �  	  common.jsnu �[���        /**
 * @output wp-admin/js/common.js
 */

/* global setUserSetting, ajaxurl, alert, confirm, pagenow */
/* global columns, screenMeta */

/**
 *  Adds common WordPress functionality to the window.
 *
 *  @param {jQuery} $        jQuery object.
 *  @param {Object} window   The window object.
 *  @param {mixed} undefined Unused.
 */
( function( $, window, undefined ) {
	var $document = $( document ),
		$window = $( window ),
		$body = $( document.body ),
		__ = wp.i18n.__,
		sprintf = wp.i18n.sprintf;

/**
 * Throws an error for a deprecated property.
 *
 * @since 5.5.1
 *
 * @param {string} propName    The property that was used.
 * @param {string} version     The version of WordPress that deprecated the property.
 * @param {string} replacement The property that should have been used.
 */
function deprecatedProperty( propName, version, replacement ) {
	var message;

	if ( 'undefined' !== typeof replacement ) {
		message = sprintf(
			/* translators: 1: Deprecated property name, 2: Version number, 3: Alternative property name. */
			__( '%1$s is deprecated since version %2$s! Use %3$s instead.' ),
			propName,
			version,
			replacement
		);
	} else {
		message = sprintf(
			/* translators: 1: Deprecated property name, 2: Version number. */
			__( '%1$s is deprecated since version %2$s with no alternative available.' ),
			propName,
			version
		);
	}

	window.console.warn( message );
}

/**
 * Deprecate all properties on an object.
 *
 * @since 5.5.1
 * @since 5.6.0 Added the `version` parameter.
 *
 * @param {string} name       The name of the object, i.e. commonL10n.
 * @param {object} l10nObject The object to deprecate the properties on.
 * @param {string} version    The version of WordPress that deprecated the property.
 *
 * @return {object} The object with all its properties deprecated.
 */
function deprecateL10nObject( name, l10nObject, version ) {
	var deprecatedObject = {};

	Object.keys( l10nObject ).forEach( function( key ) {
		var prop = l10nObject[ key ];
		var propName = name + '.' + key;

		if ( 'object' === typeof prop ) {
			Object.defineProperty( deprecatedObject, key, { get: function() {
				deprecatedProperty( propName, version, prop.alternative );
				return prop.func();
			} } );
		} else {
			Object.defineProperty( deprecatedObject, key, { get: function() {
				deprecatedProperty( propName, version, 'wp.i18n' );
				return prop;
			} } );
		}
	} );

	return deprecatedObject;
}

window.wp.deprecateL10nObject = deprecateL10nObject;

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 2.6.0
 * @deprecated 5.5.0
 */
window.commonL10n = window.commonL10n || {
	warnDelete: '',
	dismiss: '',
	collapseMenu: '',
	expandMenu: ''
};

window.commonL10n = deprecateL10nObject( 'commonL10n', window.commonL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 3.3.0
 * @deprecated 5.5.0
 */
window.wpPointerL10n = window.wpPointerL10n || {
	dismiss: ''
};

window.wpPointerL10n = deprecateL10nObject( 'wpPointerL10n', window.wpPointerL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 4.3.0
 * @deprecated 5.5.0
 */
window.userProfileL10n = window.userProfileL10n || {
	warn: '',
	warnWeak: '',
	show: '',
	hide: '',
	cancel: '',
	ariaShow: '',
	ariaHide: ''
};

window.userProfileL10n = deprecateL10nObject( 'userProfileL10n', window.userProfileL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 4.9.6
 * @deprecated 5.5.0
 */
window.privacyToolsL10n = window.privacyToolsL10n || {
	noDataFound: '',
	foundAndRemoved: '',
	noneRemoved: '',
	someNotRemoved: '',
	removalError: '',
	emailSent: '',
	noExportFile: '',
	exportError: ''
};

window.privacyToolsL10n = deprecateL10nObject( 'privacyToolsL10n', window.privacyToolsL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 3.6.0
 * @deprecated 5.5.0
 */
window.authcheckL10n = {
	beforeunload: ''
};

window.authcheckL10n = window.authcheckL10n || deprecateL10nObject( 'authcheckL10n', window.authcheckL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 2.8.0
 * @deprecated 5.5.0
 */
window.tagsl10n = {
	noPerm: '',
	broken: ''
};

window.tagsl10n = window.tagsl10n || deprecateL10nObject( 'tagsl10n', window.tagsl10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 2.5.0
 * @deprecated 5.5.0
 */
window.adminCommentsL10n = window.adminCommentsL10n || {
	hotkeys_highlight_first: {
		alternative: 'window.adminCommentsSettings.hotkeys_highlight_first',
		func: function() { return window.adminCommentsSettings.hotkeys_highlight_first; }
	},
	hotkeys_highlight_last: {
		alternative: 'window.adminCommentsSettings.hotkeys_highlight_last',
		func: function() { return window.adminCommentsSettings.hotkeys_highlight_last; }
	},
	replyApprove: '',
	reply: '',
	warnQuickEdit: '',
	warnCommentChanges: '',
	docTitleComments: '',
	docTitleCommentsCount: ''
};

window.adminCommentsL10n = deprecateL10nObject( 'adminCommentsL10n', window.adminCommentsL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 2.5.0
 * @deprecated 5.5.0
 */
window.tagsSuggestL10n = window.tagsSuggestL10n || {
	tagDelimiter: '',
	removeTerm: '',
	termSelected: '',
	termAdded: '',
	termRemoved: ''
};

window.tagsSuggestL10n = deprecateL10nObject( 'tagsSuggestL10n', window.tagsSuggestL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 3.5.0
 * @deprecated 5.5.0
 */
window.wpColorPickerL10n = window.wpColorPickerL10n || {
	clear: '',
	clearAriaLabel: '',
	defaultString: '',
	defaultAriaLabel: '',
	pick: '',
	defaultLabel: ''
};

window.wpColorPickerL10n = deprecateL10nObject( 'wpColorPickerL10n', window.wpColorPickerL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 2.7.0
 * @deprecated 5.5.0
 */
window.attachMediaBoxL10n = window.attachMediaBoxL10n || {
	error: ''
};

window.attachMediaBoxL10n = deprecateL10nObject( 'attachMediaBoxL10n', window.attachMediaBoxL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 2.5.0
 * @deprecated 5.5.0
 */
window.postL10n = window.postL10n || {
	ok: '',
	cancel: '',
	publishOn: '',
	publishOnFuture: '',
	publishOnPast: '',
	dateFormat: '',
	showcomm: '',
	endcomm: '',
	publish: '',
	schedule: '',
	update: '',
	savePending: '',
	saveDraft: '',
	'private': '',
	'public': '',
	publicSticky: '',
	password: '',
	privatelyPublished: '',
	published: '',
	saveAlert: '',
	savingText: '',
	permalinkSaved: ''
};

window.postL10n = deprecateL10nObject( 'postL10n', window.postL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 2.7.0
 * @deprecated 5.5.0
 */
window.inlineEditL10n = window.inlineEditL10n || {
	error: '',
	ntdeltitle: '',
	notitle: '',
	comma: '',
	saved: ''
};

window.inlineEditL10n = deprecateL10nObject( 'inlineEditL10n', window.inlineEditL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 2.7.0
 * @deprecated 5.5.0
 */
window.plugininstallL10n = window.plugininstallL10n || {
	plugin_information: '',
	plugin_modal_label: '',
	ays: ''
};

window.plugininstallL10n = deprecateL10nObject( 'plugininstallL10n', window.plugininstallL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 3.0.0
 * @deprecated 5.5.0
 */
window.navMenuL10n = window.navMenuL10n || {
	noResultsFound: '',
	warnDeleteMenu: '',
	saveAlert: '',
	untitled: ''
};

window.navMenuL10n = deprecateL10nObject( 'navMenuL10n', window.navMenuL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 2.5.0
 * @deprecated 5.5.0
 */
window.commentL10n = window.commentL10n || {
	submittedOn: '',
	dateFormat: ''
};

window.commentL10n = deprecateL10nObject( 'commentL10n', window.commentL10n, '5.5.0' );

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 2.9.0
 * @deprecated 5.5.0
 */
window.setPostThumbnailL10n = window.setPostThumbnailL10n || {
	setThumbnail: '',
	saving: '',
	error: '',
	done: ''
};

window.setPostThumbnailL10n = deprecateL10nObject( 'setPostThumbnailL10n', window.setPostThumbnailL10n, '5.5.0' );

/**
 * Removed in 6.5.0, needed for back-compatibility.
 *
 * @since 4.5.0
 * @deprecated 6.5.0
 */
window.uiAutocompleteL10n = window.uiAutocompleteL10n || {
	noResults: '',
	oneResult: '',
	manyResults: '',
	itemSelected: ''
};

window.uiAutocompleteL10n = deprecateL10nObject( 'uiAutocompleteL10n', window.uiAutocompleteL10n, '6.5.0' );

/**
 * Removed in 3.3.0, needed for back-compatibility.
 *
 * @since 2.7.0
 * @deprecated 3.3.0
 */
window.adminMenu = {
	init : function() {},
	fold : function() {},
	restoreMenuState : function() {},
	toggle : function() {},
	favorites : function() {}
};

// Show/hide/save table columns.
window.columns = {

	/**
	 * Initializes the column toggles in the screen options.
	 *
	 * Binds an onClick event to the checkboxes to show or hide the table columns
	 * based on their toggled state. And persists the toggled state.
	 *
	 * @since 2.7.0
	 *
	 * @return {void}
	 */
	init : function() {
		var that = this;
		$('.hide-column-tog', '#adv-settings').on( 'click', function() {
			var $t = $(this), column = $t.val();
			if ( $t.prop('checked') )
				that.checked(column);
			else
				that.unchecked(column);

			columns.saveManageColumnsState();
		});
	},

	/**
	 * Saves the toggled state for the columns.
	 *
	 * Saves whether the columns should be shown or hidden on a page.
	 *
	 * @since 3.0.0
	 *
	 * @return {void}
	 */
	saveManageColumnsState : function() {
		var hidden = this.hidden();
		$.post(
			ajaxurl,
			{
				action: 'hidden-columns',
				hidden: hidden,
				screenoptionnonce: $('#screenoptionnonce').val(),
				page: pagenow
			},
			function() {
				wp.a11y.speak( __( 'Screen Options updated.' ) );
			}
		);
	},

	/**
	 * Makes a column visible and adjusts the column span for the table.
	 *
	 * @since 3.0.0
	 * @param {string} column The column name.
	 *
	 * @return {void}
	 */
	checked : function(column) {
		$('.column-' + column).removeClass( 'hidden' );
		this.colSpanChange(+1);
	},

	/**
	 * Hides a column and adjusts the column span for the table.
	 *
	 * @since 3.0.0
	 * @param {string} column The column name.
	 *
	 * @return {void}
	 */
	unchecked : function(column) {
		$('.column-' + column).addClass( 'hidden' );
		this.colSpanChange(-1);
	},

	/**
	 * Gets all hidden columns.
	 *
	 * @since 3.0.0
	 *
	 * @return {string} The hidden column names separated by a comma.
	 */
	hidden : function() {
		return $( '.manage-column[id]' ).filter( '.hidden' ).map(function() {
			return this.id;
		}).get().join( ',' );
	},

	/**
	 * Gets the checked column toggles from the screen options.
	 *
	 * @since 3.0.0
	 *
	 * @return {string} String containing the checked column names.
	 */
	useCheckboxesForHidden : function() {
		this.hidden = function(){
			return $('.hide-column-tog').not(':checked').map(function() {
				var id = this.id;
				return id.substring( id, id.length - 5 );
			}).get().join(',');
		};
	},

	/**
	 * Adjusts the column span for the table.
	 *
	 * @since 3.1.0
	 *
	 * @param {number} diff The modifier for the column span.
	 */
	colSpanChange : function(diff) {
		var $t = $('table').find('.colspanchange'), n;
		if ( !$t.length )
			return;
		n = parseInt( $t.attr('colspan'), 10 ) + diff;
		$t.attr('colspan', n.toString());
	}
};

$( function() { columns.init(); } );

/**
 * Validates that the required form fields are not empty.
 *
 * @since 2.9.0
 *
 * @param {jQuery} form The form to validate.
 *
 * @return {boolean} Returns true if all required fields are not an empty string.
 */
window.validateForm = function( form ) {
	return !$( form )
		.find( '.form-required' )
		.filter( function() { return $( ':input:visible', this ).val() === ''; } )
		.addClass( 'form-invalid' )
		.find( ':input:visible' )
		.on( 'change', function() { $( this ).closest( '.form-invalid' ).removeClass( 'form-invalid' ); } )
		.length;
};

// Stub for doing better warnings.
/**
 * Shows message pop-up notice or confirmation message.
 *
 * @since 2.7.0
 *
 * @type {{warn: showNotice.warn, note: showNotice.note}}
 *
 * @return {void}
 */
window.showNotice = {

	/**
	 * Shows a delete confirmation pop-up message.
	 *
	 * @since 2.7.0
	 *
	 * @return {boolean} Returns true if the message is confirmed.
	 */
	warn : function() {
		if ( confirm( __( 'You are about to permanently delete these items from your site.\nThis action cannot be undone.\n\'Cancel\' to stop, \'OK\' to delete.' ) ) ) {
			return true;
		}

		return false;
	},

	/**
	 * Shows an alert message.
	 *
	 * @since 2.7.0
	 *
	 * @param text The text to display in the message.
	 */
	note : function(text) {
		alert(text);
	}
};

/**
 * Represents the functions for the meta screen options panel.
 *
 * @since 3.2.0
 *
 * @type {{element: null, toggles: null, page: null, init: screenMeta.init,
 *         toggleEvent: screenMeta.toggleEvent, open: screenMeta.open,
 *         close: screenMeta.close}}
 *
 * @return {void}
 */
window.screenMeta = {
	element: null, // #screen-meta
	toggles: null, // .screen-meta-toggle
	page:    null, // #wpcontent

	/**
	 * Initializes the screen meta options panel.
	 *
	 * @since 3.2.0
	 *
	 * @return {void}
	 */
	init: function() {
		this.element = $('#screen-meta');
		this.toggles = $( '#screen-meta-links' ).find( '.show-settings' );
		this.page    = $('#wpcontent');

		this.toggles.on( 'click', this.toggleEvent );
	},

	/**
	 * Toggles the screen meta options panel.
	 *
	 * @since 3.2.0
	 *
	 * @return {void}
	 */
	toggleEvent: function() {
		var panel = $( '#' + $( this ).attr( 'aria-controls' ) );

		if ( !panel.length )
			return;

		if ( panel.is(':visible') )
			screenMeta.close( panel, $(this) );
		else
			screenMeta.open( panel, $(this) );
	},

	/**
	 * Opens the screen meta options panel.
	 *
	 * @since 3.2.0
	 *
	 * @param {jQuery} panel  The screen meta options panel div.
	 * @param {jQuery} button The toggle button.
	 *
	 * @return {void}
	 */
	open: function( panel, button ) {

		$( '#screen-meta-links' ).find( '.screen-meta-toggle' ).not( button.parent() ).css( 'visibility', 'hidden' );

		panel.parent().show();

		/**
		 * Sets the focus to the meta options panel and adds the necessary CSS classes.
		 *
		 * @since 3.2.0
		 *
		 * @return {void}
		 */
		panel.slideDown( 'fast', function() {
			panel.removeClass( 'hidden' ).trigger( 'focus' );
			button.addClass( 'screen-meta-active' ).attr( 'aria-expanded', true );
		});

		$document.trigger( 'screen:options:open' );
	},

	/**
	 * Closes the screen meta options panel.
	 *
	 * @since 3.2.0
	 *
	 * @param {jQuery} panel  The screen meta options panel div.
	 * @param {jQuery} button The toggle button.
	 *
	 * @return {void}
	 */
	close: function( panel, button ) {
		/**
		 * Hides the screen meta options panel.
		 *
		 * @since 3.2.0
		 *
		 * @return {void}
		 */
		panel.slideUp( 'fast', function() {
			button.removeClass( 'screen-meta-active' ).attr( 'aria-expanded', false );
			$('.screen-meta-toggle').css('visibility', '');
			panel.parent().hide();
			panel.addClass( 'hidden' );
		});

		$document.trigger( 'screen:options:close' );
	}
};

/**
 * Initializes the help tabs in the help panel.
 *
 * @param {Event} e The event object.
 *
 * @return {void}
 */
$('.contextual-help-tabs').on( 'click', 'a', function(e) {
	var link = $(this),
		panel;

	e.preventDefault();

	// Don't do anything if the click is for the tab already showing.
	if ( link.is('.active a') )
		return false;

	// Links.
	$('.contextual-help-tabs .active').removeClass('active');
	link.parent('li').addClass('active');

	panel = $( link.attr('href') );

	// Panels.
	$('.help-tab-content').not( panel ).removeClass('active').hide();
	panel.addClass('active').show();
});

/**
 * Update custom permalink structure via buttons.
 */
var permalinkStructureFocused = false,
    $permalinkStructure       = $( '#permalink_structure' ),
    $permalinkStructureInputs = $( '.permalink-structure input:radio' ),
    $permalinkCustomSelection = $( '#custom_selection' ),
    $availableStructureTags   = $( '.form-table.permalink-structure .available-structure-tags button' );

// Change permalink structure input when selecting one of the common structures.
$permalinkStructureInputs.on( 'change', function() {
	if ( 'custom' === this.value ) {
		return;
	}

	$permalinkStructure.val( this.value );

	// Update button states after selection.
	$availableStructureTags.each( function() {
		changeStructureTagButtonState( $( this ) );
	} );
} );

$permalinkStructure.on( 'click input', function() {
	$permalinkCustomSelection.prop( 'checked', true );
} );

// Check if the permalink structure input field has had focus at least once.
$permalinkStructure.on( 'focus', function( event ) {
	permalinkStructureFocused = true;
	$( this ).off( event );
} );

/**
 * Enables or disables a structure tag button depending on its usage.
 *
 * If the structure is already used in the custom permalink structure,
 * it will be disabled.
 *
 * @param {Object} button Button jQuery object.
 */
function changeStructureTagButtonState( button ) {
	if ( -1 !== $permalinkStructure.val().indexOf( button.text().trim() ) ) {
		button.attr( 'data-label', button.attr( 'aria-label' ) );
		button.attr( 'aria-label', button.attr( 'data-used' ) );
		button.attr( 'aria-pressed', true );
		button.addClass( 'active' );
	} else if ( button.attr( 'data-label' ) ) {
		button.attr( 'aria-label', button.attr( 'data-label' ) );
		button.attr( 'aria-pressed', false );
		button.removeClass( 'active' );
	}
}

// Check initial button state.
$availableStructureTags.each( function() {
	changeStructureTagButtonState( $( this ) );
} );

// Observe permalink structure field and disable buttons of tags that are already present.
$permalinkStructure.on( 'change', function() {
	$availableStructureTags.each( function() {
		changeStructureTagButtonState( $( this ) );
	} );
} );

$availableStructureTags.on( 'click', function() {
	var permalinkStructureValue = $permalinkStructure.val(),
	    selectionStart          = $permalinkStructure[ 0 ].selectionStart,
	    selectionEnd            = $permalinkStructure[ 0 ].selectionEnd,
	    textToAppend            = $( this ).text().trim(),
	    textToAnnounce,
	    newSelectionStart;

	if ( $( this ).hasClass( 'active' ) ) {
		textToAnnounce = $( this ).attr( 'data-removed' );
	} else {
		textToAnnounce = $( this ).attr( 'data-added' );
	}

	// Remove structure tag if already part of the structure.
	if ( -1 !== permalinkStructureValue.indexOf( textToAppend ) ) {
		permalinkStructureValue = permalinkStructureValue.replace( textToAppend + '/', '' );

		$permalinkStructure.val( '/' === permalinkStructureValue ? '' : permalinkStructureValue );

		// Announce change to screen readers.
		$( '#custom_selection_updated' ).text( textToAnnounce );

		// Disable button.
		changeStructureTagButtonState( $( this ) );

		return;
	}

	// Input field never had focus, move selection to end of input.
	if ( ! permalinkStructureFocused && 0 === selectionStart && 0 === selectionEnd ) {
		selectionStart = selectionEnd = permalinkStructureValue.length;
	}

	$permalinkCustomSelection.prop( 'checked', true );

	// Prepend and append slashes if necessary.
	if ( '/' !== permalinkStructureValue.substr( 0, selectionStart ).substr( -1 ) ) {
		textToAppend = '/' + textToAppend;
	}

	if ( '/' !== permalinkStructureValue.substr( selectionEnd, 1 ) ) {
		textToAppend = textToAppend + '/';
	}

	// Insert structure tag at the specified position.
	$permalinkStructure.val( permalinkStructureValue.substr( 0, selectionStart ) + textToAppend + permalinkStructureValue.substr( selectionEnd ) );

	// Announce change to screen readers.
	$( '#custom_selection_updated' ).text( textToAnnounce );

	// Disable button.
	changeStructureTagButtonState( $( this ) );

	// If input had focus give it back with cursor right after appended text.
	if ( permalinkStructureFocused && $permalinkStructure[0].setSelectionRange ) {
		newSelectionStart = ( permalinkStructureValue.substr( 0, selectionStart ) + textToAppend ).length;
		$permalinkStructure[0].setSelectionRange( newSelectionStart, newSelectionStart );
		$permalinkStructure.trigger( 'focus' );
	}
} );

$( function() {
	var checks, first, last, checked, sliced, mobileEvent, transitionTimeout, focusedRowActions,
		lastClicked = false,
		pageInput = $('input.current-page'),
		currentPage = pageInput.val(),
		isIOS = /iPhone|iPad|iPod/.test( navigator.userAgent ),
		isAndroid = navigator.userAgent.indexOf( 'Android' ) !== -1,
		$adminMenuWrap = $( '#adminmenuwrap' ),
		$wpwrap = $( '#wpwrap' ),
		$adminmenu = $( '#adminmenu' ),
		$overlay = $( '#wp-responsive-overlay' ),
		$toolbar = $( '#wp-toolbar' ),
		$toolbarPopups = $toolbar.find( 'a[aria-haspopup="true"]' ),
		$sortables = $('.meta-box-sortables'),
		wpResponsiveActive = false,
		$adminbar = $( '#wpadminbar' ),
		lastScrollPosition = 0,
		pinnedMenuTop = false,
		pinnedMenuBottom = false,
		menuTop = 0,
		menuState,
		menuIsPinned = false,
		height = {
			window: $window.height(),
			wpwrap: $wpwrap.height(),
			adminbar: $adminbar.height(),
			menu: $adminMenuWrap.height()
		},
		$headerEnd = $( '.wp-header-end' );

	/**
	 * Makes the fly-out submenu header clickable, when the menu is folded.
	 *
	 * @param {Event} e The event object.
	 *
	 * @return {void}
	 */
	$adminmenu.on('click.wp-submenu-head', '.wp-submenu-head', function(e){
		$(e.target).parent().siblings('a').get(0).click();
	});

	/**
	 * Collapses the admin menu.
	 *
	 * @return {void}
	 */
	$( '#collapse-button' ).on( 'click.collapse-menu', function() {
		var viewportWidth = getViewportWidth() || 961;

		// Reset any compensation for submenus near the bottom of the screen.
		$('#adminmenu div.wp-submenu').css('margin-top', '');

		if ( viewportWidth <= 960 ) {
			if ( $body.hasClass('auto-fold') ) {
				$body.removeClass('auto-fold').removeClass('folded');
				setUserSetting('unfold', 1);
				setUserSetting('mfold', 'o');
				menuState = 'open';
			} else {
				$body.addClass('auto-fold');
				setUserSetting('unfold', 0);
				menuState = 'folded';
			}
		} else {
			if ( $body.hasClass('folded') ) {
				$body.removeClass('folded');
				setUserSetting('mfold', 'o');
				menuState = 'open';
			} else {
				$body.addClass('folded');
				setUserSetting('mfold', 'f');
				menuState = 'folded';
			}
		}

		$document.trigger( 'wp-collapse-menu', { state: menuState } );
	});

	/**
	 * Ensures an admin submenu is within the visual viewport.
	 *
	 * @since 4.1.0
	 *
	 * @param {jQuery} $menuItem The parent menu item containing the submenu.
	 *
	 * @return {void}
	 */
	function adjustSubmenu( $menuItem ) {
		var bottomOffset, pageHeight, adjustment, theFold, menutop, wintop, maxtop,
			$submenu = $menuItem.find( '.wp-submenu' );

		menutop = $menuItem.offset().top;
		wintop = $window.scrollTop();
		maxtop = menutop - wintop - 30; // max = make the top of the sub almost touch admin bar.

		bottomOffset = menutop + $submenu.height() + 1; // Bottom offset of the menu.
		pageHeight = $wpwrap.height();                  // Height of the entire page.
		adjustment = 60 + bottomOffset - pageHeight;
		theFold = $window.height() + wintop - 50;       // The fold.

		if ( theFold < ( bottomOffset - adjustment ) ) {
			adjustment = bottomOffset - theFold;
		}

		if ( adjustment > maxtop ) {
			adjustment = maxtop;
		}

		if ( adjustment > 1 && $('#wp-admin-bar-menu-toggle').is(':hidden') ) {
			$submenu.css( 'margin-top', '-' + adjustment + 'px' );
		} else {
			$submenu.css( 'margin-top', '' );
		}
	}

	if ( 'ontouchstart' in window || /IEMobile\/[1-9]/.test(navigator.userAgent) ) { // Touch screen device.
		// iOS Safari works with touchstart, the rest work with click.
		mobileEvent = isIOS ? 'touchstart' : 'click';

		/**
		 * Closes any open submenus when touch/click is not on the menu.
		 *
		 * @param {Event} e The event object.
		 *
		 * @return {void}
		 */
		$body.on( mobileEvent+'.wp-mobile-hover', function(e) {
			if ( $adminmenu.data('wp-responsive') ) {
				return;
			}

			if ( ! $( e.target ).closest( '#adminmenu' ).length ) {
				$adminmenu.find( 'li.opensub' ).removeClass( 'opensub' );
			}
		});

		/**
		 * Handles the opening or closing the submenu based on the mobile click|touch event.
		 *
		 * @param {Event} event The event object.
		 *
		 * @return {void}
		 */
		$adminmenu.find( 'a.wp-has-submenu' ).on( mobileEvent + '.wp-mobile-hover', function( event ) {
			var $menuItem = $(this).parent();

			if ( $adminmenu.data( 'wp-responsive' ) ) {
				return;
			}

			/*
			 * Show the sub instead of following the link if:
			 * 	- the submenu is not open.
			 * 	- the submenu is not shown inline or the menu is not folded.
			 */
			if ( ! $menuItem.hasClass( 'opensub' ) && ( ! $menuItem.hasClass( 'wp-menu-open' ) || $menuItem.width() < 40 ) ) {
				event.preventDefault();
				adjustSubmenu( $menuItem );
				$adminmenu.find( 'li.opensub' ).removeClass( 'opensub' );
				$menuItem.addClass('opensub');
			}
		});
	}

	if ( ! isIOS && ! isAndroid ) {
		$adminmenu.find( 'li.wp-has-submenu' ).hoverIntent({

			/**
			 * Opens the submenu when hovered over the menu item for desktops.
			 *
			 * @return {void}
			 */
			over: function() {
				var $menuItem = $( this ),
					$submenu = $menuItem.find( '.wp-submenu' ),
					top = parseInt( $submenu.css( 'top' ), 10 );

				if ( isNaN( top ) || top > -5 ) { // The submenu is visible.
					return;
				}

				if ( $adminmenu.data( 'wp-responsive' ) ) {
					// The menu is in responsive mode, bail.
					return;
				}

				adjustSubmenu( $menuItem );
				$adminmenu.find( 'li.opensub' ).removeClass( 'opensub' );
				$menuItem.addClass( 'opensub' );
			},

			/**
			 * Closes the submenu when no longer hovering the menu item.
			 *
			 * @return {void}
			 */
			out: function(){
				if ( $adminmenu.data( 'wp-responsive' ) ) {
					// The menu is in responsive mode, bail.
					return;
				}

				$( this ).removeClass( 'opensub' ).find( '.wp-submenu' ).css( 'margin-top', '' );
			},
			timeout: 200,
			sensitivity: 7,
			interval: 90
		});

		/**
		 * Opens the submenu on when focused on the menu item.
		 *
		 * @param {Event} event The event object.
		 *
		 * @return {void}
		 */
		$adminmenu.on( 'focus.adminmenu', '.wp-submenu a', function( event ) {
			if ( $adminmenu.data( 'wp-responsive' ) ) {
				// The menu is in responsive mode, bail.
				return;
			}

			$( event.target ).closest( 'li.menu-top' ).addClass( 'opensub' );

			/**
			 * Closes the submenu on blur from the menu item.
			 *
			 * @param {Event} event The event object.
			 *
			 * @return {void}
			 */
		}).on( 'blur.adminmenu', '.wp-submenu a', function( event ) {
			if ( $adminmenu.data( 'wp-responsive' ) ) {
				return;
			}

			$( event.target ).closest( 'li.menu-top' ).removeClass( 'opensub' );

			/**
			 * Adjusts the size for the submenu.
			 *
			 * @return {void}
			 */
		}).find( 'li.wp-has-submenu.wp-not-current-submenu' ).on( 'focusin.adminmenu', function() {
			adjustSubmenu( $( this ) );
		});
	}

	/*
	 * The `.below-h2` class is here just for backward compatibility with plugins
	 * that are (incorrectly) using it. Do not use. Use `.inline` instead. See #34570.
	 * If '.wp-header-end' is found, append the notices after it otherwise
	 * after the first h1 or h2 heading found within the main content.
	 */
	if ( ! $headerEnd.length ) {
		$headerEnd = $( '.wrap h1, .wrap h2' ).first();
	}
	$( 'div.updated, div.error, div.notice' ).not( '.inline, .below-h2' ).insertAfter( $headerEnd );

	/**
	 * Makes notices dismissible.
	 *
	 * @since 4.4.0
	 *
	 * @return {void}
	 */
	function makeNoticesDismissible() {
		$( '.notice.is-dismissible' ).each( function() {
			var $el = $( this ),
				$button = $( '<button type="button" class="notice-dismiss"><span class="screen-reader-text"></span></button>' );

			if ( $el.find( '.notice-dismiss' ).length ) {
				return;
			}

			// Ensure plain text.
			$button.find( '.screen-reader-text' ).text( __( 'Dismiss this notice.' ) );
			$button.on( 'click.wp-dismiss-notice', function( event ) {
				event.preventDefault();
				$el.fadeTo( 100, 0, function() {
					$el.slideUp( 100, function() {
						$el.remove();
					});
				});
			});

			$el.append( $button );
		});
	}

	$document.on( 'wp-updates-notice-added wp-plugin-install-error wp-plugin-update-error wp-plugin-delete-error wp-theme-install-error wp-theme-delete-error wp-notice-added', makeNoticesDismissible );

	// Init screen meta.
	screenMeta.init();

	/**
	 * Checks a checkbox.
	 *
	 * This event needs to be delegated. Ticket #37973.
	 *
	 * @return {boolean} Returns whether a checkbox is checked or not.
	 */
	$body.on( 'click', 'tbody > tr > .check-column :checkbox', function( event ) {
		// Shift click to select a range of checkboxes.
		if ( 'undefined' == event.shiftKey ) { return true; }
		if ( event.shiftKey ) {
			if ( !lastClicked ) { return true; }
			checks = $( lastClicked ).closest( 'form' ).find( ':checkbox' ).filter( ':visible:enabled' );
			first = checks.index( lastClicked );
			last = checks.index( this );
			checked = $(this).prop('checked');
			if ( 0 < first && 0 < last && first != last ) {
				sliced = ( last > first ) ? checks.slice( first, last ) : checks.slice( last, first );
				sliced.prop( 'checked', function() {
					if ( $(this).closest('tr').is(':visible') )
						return checked;

					return false;
				});
			}
		}
		lastClicked = this;

		// Toggle the "Select all" checkboxes depending if the other ones are all checked or not.
		var unchecked = $(this).closest('tbody').find('tr').find(':checkbox').filter(':visible:enabled').not(':checked');

		/**
		 * Determines if all checkboxes are checked.
		 *
		 * @return {boolean} Returns true if there are no unchecked checkboxes.
		 */
		$(this).closest('table').children('thead, tfoot').find(':checkbox').prop('checked', function() {
			return ( 0 === unchecked.length );
		});

		return true;
	});

	/**
	 * Controls all the toggles on bulk toggle change.
	 *
	 * When the bulk checkbox is changed, all the checkboxes in the tables are changed accordingly.
	 * When the shift-button is pressed while changing the bulk checkbox the checkboxes in the table are inverted.
	 *
	 * This event needs to be delegated. Ticket #37973.
	 *
	 * @param {Event} event The event object.
	 *
	 * @return {boolean}
	 */
	$body.on( 'click.wp-toggle-checkboxes', 'thead .check-column :checkbox, tfoot .check-column :checkbox', function( event ) {
		var $this = $(this),
			$table = $this.closest( 'table' ),
			controlChecked = $this.prop('checked'),
			toggle = event.shiftKey || $this.data('wp-toggle');

		$table.children( 'tbody' ).filter(':visible')
			.children().children('.check-column').find(':checkbox')
			/**
			 * Updates the checked state on the checkbox in the table.
			 *
			 * @return {boolean} True checks the checkbox, False unchecks the checkbox.
			 */
			.prop('checked', function() {
				if ( $(this).is(':hidden,:disabled') ) {
					return false;
				}

				if ( toggle ) {
					return ! $(this).prop( 'checked' );
				} else if ( controlChecked ) {
					return true;
				}

				return false;
			});

		$table.children('thead,  tfoot').filter(':visible')
			.children().children('.check-column').find(':checkbox')

			/**
			 * Syncs the bulk checkboxes on the top and bottom of the table.
			 *
			 * @return {boolean} True checks the checkbox, False unchecks the checkbox.
			 */
			.prop('checked', function() {
				if ( toggle ) {
					return false;
				} else if ( controlChecked ) {
					return true;
				}

				return false;
			});
	});

	/**
	 * Marries a secondary control to its primary control.
	 *
	 * @param {jQuery} topSelector    The top selector element.
	 * @param {jQuery} topSubmit      The top submit element.
	 * @param {jQuery} bottomSelector The bottom selector element.
	 * @param {jQuery} bottomSubmit   The bottom submit element.
	 * @return {void}
	 */
	function marryControls( topSelector, topSubmit, bottomSelector, bottomSubmit ) {
		/**
		 * Updates the primary selector when the secondary selector is changed.
		 *
		 * @since 5.7.0
		 *
		 * @return {void}
		 */
		function updateTopSelector() {
			topSelector.val($(this).val());
		}
		bottomSelector.on('change', updateTopSelector);

		/**
		 * Updates the secondary selector when the primary selector is changed.
		 *
		 * @since 5.7.0
		 *
		 * @return {void}
		 */
		function updateBottomSelector() {
			bottomSelector.val($(this).val());
		}
		topSelector.on('change', updateBottomSelector);

		/**
		 * Triggers the primary submit when then secondary submit is clicked.
		 *
		 * @since 5.7.0
		 *
		 * @return {void}
		 */
		function triggerSubmitClick(e) {
			e.preventDefault();
			e.stopPropagation();

			topSubmit.trigger('click');
		}
		bottomSubmit.on('click', triggerSubmitClick);
	}

	// Marry the secondary "Bulk actions" controls to the primary controls:
	marryControls( $('#bulk-action-selector-top'), $('#doaction'), $('#bulk-action-selector-bottom'), $('#doaction2') );

	// Marry the secondary "Change role to" controls to the primary controls:
	marryControls( $('#new_role'), $('#changeit'), $('#new_role2'), $('#changeit2') );

	var addAdminNotice = function( data ) {
		var $notice = $( data.selector ),
			$headerEnd = $( '.wp-header-end' ),
			type,
			dismissible,
			$adminNotice;

		delete data.selector;

		dismissible = ( data.dismissible && data.dismissible === true ) ? ' is-dismissible' : '';
		type        = ( data.type ) ? data.type : 'info';

		$adminNotice = '<div id="' + data.id + '" class="notice notice-' + data.type + dismissible + '"><p>' + data.message + '</p></div>';

		// Check if this admin notice already exists.
		if ( ! $notice.length ) {
			$notice = $( '#' + data.id );
		}

		if ( $notice.length ) {
			$notice.replaceWith( $adminNotice );
		} else if ( $headerEnd.length ) {
			$headerEnd.after( $adminNotice );
		} else {
			if ( 'customize' === pagenow ) {
				$( '.customize-themes-notifications' ).append( $adminNotice );
			} else {
				$( '.wrap' ).find( '> h1' ).after( $adminNotice );
			}
		}

		$document.trigger( 'wp-notice-added' );
	};

	$( '.bulkactions' ).parents( 'form' ).on( 'submit', function( event ) {
		var form = this,
			submitterName = event.originalEvent && event.originalEvent.submitter ? event.originalEvent.submitter.name : false,
			currentPageSelector = form.querySelector( '#current-page-selector' );

		if ( currentPageSelector && currentPageSelector.defaultValue !== currentPageSelector.value ) {
			return; // Pagination form submission.
		}

		// Observe submissions from posts lists for 'bulk_action' or users lists for 'new_role'.
		var bulkFieldRelations = {
			'bulk_action' : window.bulkActionObserverIds.bulk_action,
			'changeit' : window.bulkActionObserverIds.changeit
		};
		if ( ! Object.keys( bulkFieldRelations ).includes( submitterName ) ) {
			return;
		}

		var values = new FormData(form);
		var value = values.get( bulkFieldRelations[ submitterName ] ) || '-1';

		// Check that the action is not the default one.
		if ( value !== '-1' ) {
			// Check that at least one item is selected.
			var itemsSelected = form.querySelectorAll( '.wp-list-table tbody .check-column input[type="checkbox"]:checked' );

			if ( itemsSelected.length > 0 ) {
				return;
			}
		}
		event.preventDefault();
		event.stopPropagation();
		$( 'html, body' ).animate( { scrollTop: 0 } );

		var errorMessage = value !== '-1' ?
			__( 'Please select at least one item to perform this action on.' ) :
			__( 'Please select a bulk action to perform.' );
		addAdminNotice( {
			id: value !== '-1' ? 'no-items-selected' : 'no-bulk-action-selected',
			type: 'error',
			message: errorMessage,
			dismissible: true,
		} );

		wp.a11y.speak( errorMessage );
	});

	/**
	 * Shows row actions on focus of its parent container element or any other elements contained within.
	 *
	 * @return {void}
	 */
	$( '#wpbody-content' ).on({
		focusin: function() {
			clearTimeout( transitionTimeout );
			focusedRowActions = $( this ).find( '.row-actions' );
			// transitionTimeout is necessary for Firefox, but Chrome won't remove the CSS class without a little help.
			$( '.row-actions' ).not( this ).removeClass( 'visible' );
			focusedRowActions.addClass( 'visible' );
		},
		focusout: function() {
			// Tabbing between post title and .row-actions links needs a brief pause, otherwise
			// the .row-actions div gets hidden in transit in some browsers (ahem, Firefox).
			transitionTimeout = setTimeout( function() {
				focusedRowActions.removeClass( 'visible' );
			}, 30 );
		}
	}, '.table-view-list .has-row-actions' );

	// Toggle list table rows on small screens.
	$( 'tbody' ).on( 'click', '.toggle-row', function() {
		$( this ).closest( 'tr' ).toggleClass( 'is-expanded' );
	});

	$('#default-password-nag-no').on( 'click', function() {
		setUserSetting('default_password_nag', 'hide');
		$('div.default-password-nag').hide();
		return false;
	});

	/**
	 * Handles tab keypresses in theme and plugin file editor textareas.
	 *
	 * @param {Event} e The event object.
	 *
	 * @return {void}
	 */
	$('#newcontent').on('keydown.wpevent_InsertTab', function(e) {
		var el = e.target, selStart, selEnd, val, scroll, sel;

		// After pressing escape key (keyCode: 27), the tab key should tab out of the textarea.
		if ( e.keyCode == 27 ) {
			// When pressing Escape: Opera 12 and 27 blur form fields, IE 8 clears them.
			e.preventDefault();
			$(el).data('tab-out', true);
			return;
		}

		// Only listen for plain tab key (keyCode: 9) without any modifiers.
		if ( e.keyCode != 9 || e.ctrlKey || e.altKey || e.shiftKey )
			return;

		// After tabbing out, reset it so next time the tab key can be used again.
		if ( $(el).data('tab-out') ) {
			$(el).data('tab-out', false);
			return;
		}

		selStart = el.selectionStart;
		selEnd = el.selectionEnd;
		val = el.value;

		// If any text is selected, replace the selection with a tab character.
		if ( document.selection ) {
			el.focus();
			sel = document.selection.createRange();
			sel.text = '\t';
		} else if ( selStart >= 0 ) {
			scroll = this.scrollTop;
			el.value = val.substring(0, selStart).concat('\t', val.substring(selEnd) );
			el.selectionStart = el.selectionEnd = selStart + 1;
			this.scrollTop = scroll;
		}

		// Cancel the regular tab functionality, to prevent losing focus of the textarea.
		if ( e.stopPropagation )
			e.stopPropagation();
		if ( e.preventDefault )
			e.preventDefault();
	});

	// Reset page number variable for new filters/searches but not for bulk actions. See #17685.
	if ( pageInput.length ) {

		/**
		 * Handles pagination variable when filtering the list table.
		 *
		 * Set the pagination argument to the first page when the post-filter form is submitted.
		 * This happens when pressing the 'filter' button on the list table page.
		 *
		 * The pagination argument should not be touched when the bulk action dropdowns are set to do anything.
		 *
		 * The form closest to the pageInput is the post-filter form.
		 *
		 * @return {void}
		 */
		pageInput.closest('form').on( 'submit', function() {
			/*
			 * action = bulk action dropdown at the top of the table
			 */
			if ( $('select[name="action"]').val() == -1 && pageInput.val() == currentPage )
				pageInput.val('1');
		});
	}

	/**
	 * Resets the bulk actions when the search button is clicked.
	 *
	 * @return {void}
	 */
	$('.search-box input[type="search"], .search-box input[type="submit"]').on( 'mousedown', function () {
		$('select[name^="action"]').val('-1');
	});

	/**
	 * Scrolls into view when focus.scroll-into-view is triggered.
	 *
	 * @param {Event} e The event object.
	 *
	 * @return {void}
 	 */
	$('#contextual-help-link, #show-settings-link').on( 'focus.scroll-into-view', function(e){
		if ( e.target.scrollIntoViewIfNeeded )
			e.target.scrollIntoViewIfNeeded(false);
	});

	/**
	 * Disables the submit upload buttons when no data is entered.
	 *
	 * @return {void}
	 */
	(function(){
		var button, input, form = $('form.wp-upload-form');

		// Exit when no upload form is found.
		if ( ! form.length )
			return;

		button = form.find('input[type="submit"]');
		input = form.find('input[type="file"]');

		/**
		 * Determines if any data is entered in any file upload input.
		 *
		 * @since 3.5.0
		 *
		 * @return {void}
		 */
		function toggleUploadButton() {
			// When no inputs have a value, disable the upload buttons.
			button.prop('disabled', '' === input.map( function() {
				return $(this).val();
			}).get().join(''));
		}

		// Update the status initially.
		toggleUploadButton();
		// Update the status when any file input changes.
		input.on('change', toggleUploadButton);
	})();

	/**
	 * Pins the menu while distraction-free writing is enabled.
	 *
	 * @param {Event} event Event data.
	 *
	 * @since 4.1.0
	 *
	 * @return {void}
	 */
	function pinMenu( event ) {
		var windowPos = $window.scrollTop(),
			resizing = ! event || event.type !== 'scroll';

		if ( isIOS || $adminmenu.data( 'wp-responsive' ) ) {
			return;
		}

		/*
		 * When the menu is higher than the window and smaller than the entire page.
		 * It should be adjusted to be able to see the entire menu.
		 *
		 * Otherwise it can be accessed normally.
		 */
		if ( height.menu + height.adminbar < height.window ||
			height.menu + height.adminbar + 20 > height.wpwrap ) {
			unpinMenu();
			return;
		}

		menuIsPinned = true;

		// If the menu is higher than the window, compensate on scroll.
		if ( height.menu + height.adminbar > height.window ) {
			// Check for overscrolling, this happens when swiping up at the top of the document in modern browsers.
			if ( windowPos < 0 ) {
				// Stick the menu to the top.
				if ( ! pinnedMenuTop ) {
					pinnedMenuTop = true;
					pinnedMenuBottom = false;

					$adminMenuWrap.css({
						position: 'fixed',
						top: '',
						bottom: ''
					});
				}

				return;
			} else if ( windowPos + height.window > $document.height() - 1 ) {
				// When overscrolling at the bottom, stick the menu to the bottom.
				if ( ! pinnedMenuBottom ) {
					pinnedMenuBottom = true;
					pinnedMenuTop = false;

					$adminMenuWrap.css({
						position: 'fixed',
						top: '',
						bottom: 0
					});
				}

				return;
			}

			if ( windowPos > lastScrollPosition ) {
				// When a down scroll has been detected.

				// If it was pinned to the top, unpin and calculate relative scroll.
				if ( pinnedMenuTop ) {
					pinnedMenuTop = false;
					// Calculate new offset position.
					menuTop = $adminMenuWrap.offset().top - height.adminbar - ( windowPos - lastScrollPosition );

					if ( menuTop + height.menu + height.adminbar < windowPos + height.window ) {
						menuTop = windowPos + height.window - height.menu - height.adminbar;
					}

					$adminMenuWrap.css({
						position: 'absolute',
						top: menuTop,
						bottom: ''
					});
				} else if ( ! pinnedMenuBottom && $adminMenuWrap.offset().top + height.menu < windowPos + height.window ) {
					// Pin it to the bottom.
					pinnedMenuBottom = true;

					$adminMenuWrap.css({
						position: 'fixed',
						top: '',
						bottom: 0
					});
				}
			} else if ( windowPos < lastScrollPosition ) {
				// When a scroll up is detected.

				// If it was pinned to the bottom, unpin and calculate relative scroll.
				if ( pinnedMenuBottom ) {
					pinnedMenuBottom = false;

					// Calculate new offset position.
					menuTop = $adminMenuWrap.offset().top - height.adminbar + ( lastScrollPosition - windowPos );

					if ( menuTop + height.menu > windowPos + height.window ) {
						menuTop = windowPos;
					}

					$adminMenuWrap.css({
						position: 'absolute',
						top: menuTop,
						bottom: ''
					});
				} else if ( ! pinnedMenuTop && $adminMenuWrap.offset().top >= windowPos + height.adminbar ) {

					// Pin it to the top.
					pinnedMenuTop = true;

					$adminMenuWrap.css({
						position: 'fixed',
						top: '',
						bottom: ''
					});
				}
			} else if ( resizing ) {
				// Window is being resized.

				pinnedMenuTop = pinnedMenuBottom = false;

				// Calculate the new offset.
				menuTop = windowPos + height.window - height.menu - height.adminbar - 1;

				if ( menuTop > 0 ) {
					$adminMenuWrap.css({
						position: 'absolute',
						top: menuTop,
						bottom: ''
					});
				} else {
					unpinMenu();
				}
			}
		}

		lastScrollPosition = windowPos;
	}

	/**
	 * Determines the height of certain elements.
	 *
	 * @since 4.1.0
	 *
	 * @return {void}
	 */
	function resetHeights() {
		height = {
			window: $window.height(),
			wpwrap: $wpwrap.height(),
			adminbar: $adminbar.height(),
			menu: $adminMenuWrap.height()
		};
	}

	/**
	 * Unpins the menu.
	 *
	 * @since 4.1.0
	 *
	 * @return {void}
	 */
	function unpinMenu() {
		if ( isIOS || ! menuIsPinned ) {
			return;
		}

		pinnedMenuTop = pinnedMenuBottom = menuIsPinned = false;
		$adminMenuWrap.css({
			position: '',
			top: '',
			bottom: ''
		});
	}

	/**
	 * Pins and unpins the menu when applicable.
	 *
	 * @since 4.1.0
	 *
	 * @return {void}
	 */
	function setPinMenu() {
		resetHeights();

		if ( $adminmenu.data('wp-responsive') ) {
			$body.removeClass( 'sticky-menu' );
			unpinMenu();
		} else if ( height.menu + height.adminbar > height.window ) {
			pinMenu();
			$body.removeClass( 'sticky-menu' );
		} else {
			$body.addClass( 'sticky-menu' );
			unpinMenu();
		}
	}

	if ( ! isIOS ) {
		$window.on( 'scroll.pin-menu', pinMenu );
		$document.on( 'tinymce-editor-init.pin-menu', function( event, editor ) {
			editor.on( 'wp-autoresize', resetHeights );
		});
	}

	/**
	 * Changes the sortables and responsiveness of metaboxes.
	 *
	 * @since 3.8.0
	 *
	 * @return {void}
	 */
	window.wpResponsive = {

		/**
		 * Initializes the wpResponsive object.
		 *
		 * @since 3.8.0
		 *
		 * @return {void}
		 */
		init: function() {
			var self = this;

			this.maybeDisableSortables = this.maybeDisableSortables.bind( this );

			// Modify functionality based on custom activate/deactivate event.
			$document.on( 'wp-responsive-activate.wp-responsive', function() {
				self.activate();
				self.toggleAriaHasPopup( 'add' );
			}).on( 'wp-responsive-deactivate.wp-responsive', function() {
				self.deactivate();
				self.toggleAriaHasPopup( 'remove' );
			});

			$( '#wp-admin-bar-menu-toggle a' ).attr( 'aria-expanded', 'false' );

			// Toggle sidebar when toggle is clicked.
			$( '#wp-admin-bar-menu-toggle' ).on( 'click.wp-responsive', function( event ) {
				event.preventDefault();

				// Close any open toolbar submenus.
				$adminbar.find( '.hover' ).removeClass( 'hover' );

				$wpwrap.toggleClass( 'wp-responsive-open' );
				if ( $wpwrap.hasClass( 'wp-responsive-open' ) ) {
					$(this).find('a').attr( 'aria-expanded', 'true' );
					$( '#adminmenu a:first' ).trigger( 'focus' );
				} else {
					$(this).find('a').attr( 'aria-expanded', 'false' );
				}
			} );

			// Close sidebar when target moves outside of toggle and sidebar.
			$( document ).on( 'click', function( event ) {
				if ( ! $wpwrap.hasClass( 'wp-responsive-open' ) || ! document.hasFocus() ) {
					return;
				}

				var focusIsInToggle  = $.contains( $( '#wp-admin-bar-menu-toggle' )[0], event.target );
				var focusIsInSidebar = $.contains( $( '#adminmenuwrap' )[0], event.target );

				if ( ! focusIsInToggle && ! focusIsInSidebar ) {
					$( '#wp-admin-bar-menu-toggle' ).trigger( 'click.wp-responsive' );
				}
			} );

			// Close sidebar when a keypress completes outside of toggle and sidebar.
			$( document ).on( 'keyup', function( event ) {
				var toggleButton   = $( '#wp-admin-bar-menu-toggle' )[0];
				if ( ! $wpwrap.hasClass( 'wp-responsive-open' ) ) {
				    return;
				}
				if ( 27 === event.keyCode ) {
					$( toggleButton ).trigger( 'click.wp-responsive' );
					$( toggleButton ).find( 'a' ).trigger( 'focus' );
				} else {
					if ( 9 === event.keyCode ) {
						var sidebar        = $( '#adminmenuwrap' )[0];
						var focusedElement = event.relatedTarget || document.activeElement;
						// A brief delay is required to allow focus to switch to another element.
						setTimeout( function() {
							var focusIsInToggle  = $.contains( toggleButton, focusedElement );
							var focusIsInSidebar = $.contains( sidebar, focusedElement );

							if ( ! focusIsInToggle && ! focusIsInSidebar ) {
								$( toggleButton ).trigger( 'click.wp-responsive' );
							}
						}, 10 );
					}
				}
			});

			// Add menu events.
			$adminmenu.on( 'click.wp-responsive', 'li.wp-has-submenu > a', function( event ) {
				if ( ! $adminmenu.data('wp-responsive') ) {
					return;
				}
				let state = ( 'false' === $( this ).attr( 'aria-expanded' ) ) ? 'true' : 'false';
				$( this ).parent( 'li' ).toggleClass( 'selected' );
				$( this ).attr( 'aria-expanded', state );
				$( this ).trigger( 'focus' );
				event.preventDefault();
			});

			self.trigger();
			$document.on( 'wp-window-resized.wp-responsive', this.trigger.bind( this ) );

			// This needs to run later as UI Sortable may be initialized when the document is ready.
			$window.on( 'load.wp-responsive', this.maybeDisableSortables );
			$document.on( 'postbox-toggled', this.maybeDisableSortables );

			// When the screen columns are changed, potentially disable sortables.
			$( '#screen-options-wrap input' ).on( 'click', this.maybeDisableSortables );
		},

		/**
		 * Disable sortables if there is only one metabox, or the screen is in one column mode. Otherwise, enable sortables.
		 *
		 * @since 5.3.0
		 *
		 * @return {void}
		 */
		maybeDisableSortables: function() {
			var width = navigator.userAgent.indexOf('AppleWebKit/') > -1 ? $window.width() : window.innerWidth;

			if (
				( width <= 782 ) ||
				( 1 >= $sortables.find( '.ui-sortable-handle:visible' ).length && jQuery( '.columns-prefs-1 input' ).prop( 'checked' ) )
			) {
				this.disableSortables();
			} else {
				this.enableSortables();
			}
		},

		/**
		 * Changes properties of body and admin menu.
		 *
		 * Pins and unpins the menu and adds the auto-fold class to the body.
		 * Makes the admin menu responsive and disables the metabox sortables.
		 *
		 * @since 3.8.0
		 *
		 * @return {void}
		 */
		activate: function() {
			setPinMenu();

			if ( ! $body.hasClass( 'auto-fold' ) ) {
				$body.addClass( 'auto-fold' );
			}

			$adminmenu.data( 'wp-responsive', 1 );
			this.disableSortables();
		},

		/**
		 * Changes properties of admin menu and enables metabox sortables.
		 *
		 * Pin and unpin the menu.
		 * Removes the responsiveness of the admin menu and enables the metabox sortables.
		 *
		 * @since 3.8.0
		 *
		 * @return {void}
		 */
		deactivate: function() {
			setPinMenu();
			$adminmenu.removeData('wp-responsive');

			this.maybeDisableSortables();
		},

		/**
		 * Toggles the aria-haspopup attribute for the responsive admin menu.
		 *
		 * The aria-haspopup attribute is only necessary for the responsive menu.
		 * See ticket https://core.trac.wordpress.org/ticket/43095
		 *
		 * @since 6.6.0
		 *
		 * @param {string} action Whether to add or remove the aria-haspopup attribute.
		 *
		 * @return {void}
		 */
		toggleAriaHasPopup: function( action ) {
			var elements = $adminmenu.find( '[data-ariahaspopup]' );

			if ( action === 'add' ) {
				elements.each( function() {
					$( this ).attr( 'aria-haspopup', 'menu' ).attr( 'aria-expanded', 'false' );
				} );

				return;
			}

			elements.each( function() {
				$( this ).removeAttr( 'aria-haspopup' ).removeAttr( 'aria-expanded' );
			} );
		},

		/**
		 * Sets the responsiveness and enables the overlay based on the viewport width.
		 *
		 * @since 3.8.0
		 *
		 * @return {void}
		 */
		trigger: function() {
			var viewportWidth = getViewportWidth();

			// Exclude IE < 9, it doesn't support @media CSS rules.
			if ( ! viewportWidth ) {
				return;
			}

			if ( viewportWidth <= 782 ) {
				if ( ! wpResponsiveActive ) {
					$document.trigger( 'wp-responsive-activate' );
					wpResponsiveActive = true;
				}
			} else {
				if ( wpResponsiveActive ) {
					$document.trigger( 'wp-responsive-deactivate' );
					wpResponsiveActive = false;
				}
			}

			if ( viewportWidth <= 480 ) {
				this.enableOverlay();
			} else {
				this.disableOverlay();
			}

			this.maybeDisableSortables();
		},

		/**
		 * Inserts a responsive overlay and toggles the window.
		 *
		 * @since 3.8.0
		 *
		 * @return {void}
		 */
		enableOverlay: function() {
			if ( $overlay.length === 0 ) {
				$overlay = $( '<div id="wp-responsive-overlay"></div>' )
					.insertAfter( '#wpcontent' )
					.hide()
					.on( 'click.wp-responsive', function() {
						$toolbar.find( '.menupop.hover' ).removeClass( 'hover' );
						$( this ).hide();
					});
			}

			$toolbarPopups.on( 'click.wp-responsive', function() {
				$overlay.show();
			});
		},

		/**
		 * Disables the responsive overlay and removes the overlay.
		 *
		 * @since 3.8.0
		 *
		 * @return {void}
		 */
		disableOverlay: function() {
			$toolbarPopups.off( 'click.wp-responsive' );
			$overlay.hide();
		},

		/**
		 * Disables sortables.
		 *
		 * @since 3.8.0
		 *
		 * @return {void}
		 */
		disableSortables: function() {
			if ( $sortables.length ) {
				try {
					$sortables.sortable( 'disable' );
					$sortables.find( '.ui-sortable-handle' ).addClass( 'is-non-sortable' );
				} catch ( e ) {}
			}
		},

		/**
		 * Enables sortables.
		 *
		 * @since 3.8.0
		 *
		 * @return {void}
		 */
		enableSortables: function() {
			if ( $sortables.length ) {
				try {
					$sortables.sortable( 'enable' );
					$sortables.find( '.ui-sortable-handle' ).removeClass( 'is-non-sortable' );
				} catch ( e ) {}
			}
		}
	};

	/**
	 * Add an ARIA role `button` to elements that behave like UI controls when JavaScript is on.
	 *
	 * @since 4.5.0
	 *
	 * @return {void}
	 */
	function aria_button_if_js() {
		$( '.aria-button-if-js' ).attr( 'role', 'button' );
	}

	$( document ).on( 'ajaxComplete', function() {
		aria_button_if_js();
	});

	/**
	 * Get the viewport width.
	 *
	 * @since 4.7.0
	 *
	 * @return {number|boolean} The current viewport width or false if the
	 *                          browser doesn't support innerWidth (IE < 9).
	 */
	function getViewportWidth() {
		var viewportWidth = false;

		if ( window.innerWidth ) {
			// On phones, window.innerWidth is affected by zooming.
			viewportWidth = Math.max( window.innerWidth, document.documentElement.clientWidth );
		}

		return viewportWidth;
	}

	/**
	 * Sets the admin menu collapsed/expanded state.
	 *
	 * Sets the global variable `menuState` and triggers a custom event passing
	 * the current menu state.
	 *
	 * @since 4.7.0
	 *
	 * @return {void}
	 */
	function setMenuState() {
		var viewportWidth = getViewportWidth() || 961;

		if ( viewportWidth <= 782  ) {
			menuState = 'responsive';
		} else if ( $body.hasClass( 'folded' ) || ( $body.hasClass( 'auto-fold' ) && viewportWidth <= 960 && viewportWidth > 782 ) ) {
			menuState = 'folded';
		} else {
			menuState = 'open';
		}

		$document.trigger( 'wp-menu-state-set', { state: menuState } );
	}

	// Set the menu state when the window gets resized.
	$document.on( 'wp-window-resized.set-menu-state', setMenuState );

	/**
	 * Sets ARIA attributes on the collapse/expand menu button.
	 *
	 * When the admin menu is open or folded, updates the `aria-expanded` and
	 * `aria-label` attributes of the button to give feedback to assistive
	 * technologies. In the responsive view, the button is always hidden.
	 *
	 * @since 4.7.0
	 *
	 * @return {void}
	 */
	$document.on( 'wp-menu-state-set wp-collapse-menu', function( event, eventData ) {
		var $collapseButton = $( '#collapse-button' ),
			ariaExpanded, ariaLabelText;

		if ( 'folded' === eventData.state ) {
			ariaExpanded = 'false';
			ariaLabelText = __( 'Expand Main menu' );
		} else {
			ariaExpanded = 'true';
			ariaLabelText = __( 'Collapse Main menu' );
		}

		$collapseButton.attr({
			'aria-expanded': ariaExpanded,
			'aria-label': ariaLabelText
		});
	});

	window.wpResponsive.init();
	setPinMenu();
	setMenuState();
	makeNoticesDismissible();
	aria_button_if_js();

	$document.on( 'wp-pin-menu wp-window-resized.pin-menu postboxes-columnchange.pin-menu postbox-toggled.pin-menu wp-collapse-menu.pin-menu wp-scroll-start.pin-menu', setPinMenu );

	// Set initial focus on a specific element.
	$( '.wp-initial-focus' ).trigger( 'focus' );

	// Toggle update details on update-core.php.
	$body.on( 'click', '.js-update-details-toggle', function() {
		var $updateNotice = $( this ).closest( '.js-update-details' ),
			$progressDiv = $( '#' + $updateNotice.data( 'update-details' ) );

		/*
		 * When clicking on "Show details" move the progress div below the update
		 * notice. Make sure it gets moved just the first time.
		 */
		if ( ! $progressDiv.hasClass( 'update-details-moved' ) ) {
			$progressDiv.insertAfter( $updateNotice ).addClass( 'update-details-moved' );
		}

		// Toggle the progress div visibility.
		$progressDiv.toggle();
		// Toggle the Show Details button expanded state.
		$( this ).attr( 'aria-expanded', $progressDiv.is( ':visible' ) );
	});
});

/**
 * Hides the update button for expired plugin or theme uploads.
 *
 * On the "Update plugin/theme from uploaded zip" screen, once the upload has expired,
 * hides the "Replace current with uploaded" button and displays a warning.
 *
 * @since 5.5.0
 */
$( function( $ ) {
	var $overwrite, $warning;

	if ( ! $body.hasClass( 'update-php' ) ) {
		return;
	}

	$overwrite = $( 'a.update-from-upload-overwrite' );
	$warning   = $( '.update-from-upload-expired' );

	if ( ! $overwrite.length || ! $warning.length ) {
		return;
	}

	window.setTimeout(
		function() {
			$overwrite.hide();
			$warning.removeClass( 'hidden' );

			if ( window.wp && window.wp.a11y ) {
				window.wp.a11y.speak( $warning.text() );
			}
		},
		7140000 // 119 minutes. The uploaded file is deleted after 2 hours.
	);
} );

// Fire a custom jQuery event at the end of window resize.
( function() {
	var timeout;

	/**
	 * Triggers the WP window-resize event.
	 *
	 * @since 3.8.0
	 *
	 * @return {void}
	 */
	function triggerEvent() {
		$document.trigger( 'wp-window-resized' );
	}

	/**
	 * Fires the trigger event again after 200 ms.
	 *
	 * @since 3.8.0
	 *
	 * @return {void}
	 */
	function fireOnce() {
		window.clearTimeout( timeout );
		timeout = window.setTimeout( triggerEvent, 200 );
	}

	$window.on( 'resize.wp-fire-once', fireOnce );
}());

// Make Windows 8 devices play along nicely.
(function(){
	if ( '-ms-user-select' in document.documentElement.style && navigator.userAgent.match(/IEMobile\/10\.0/) ) {
		var msViewportStyle = document.createElement( 'style' );
		msViewportStyle.appendChild(
			document.createTextNode( '@-ms-viewport{width:auto!important}' )
		);
		document.getElementsByTagName( 'head' )[0].appendChild( msViewportStyle );
	}
})();

}( jQuery, window ));

/**
 * Freeze animated plugin icons when reduced motion is enabled.
 *
 * When the user has enabled the 'prefers-reduced-motion' setting, this module
 * stops animations for all GIFs on the page with the class 'plugin-icon' or
 * plugin icon images in the update plugins table.
 *
 * @since 6.4.0
 */
(function() {
	// Private variables and methods.
	var priv = {},
		pub = {},
		mediaQuery;

	// Initialize pauseAll to false; it will be set to true if reduced motion is preferred.
	priv.pauseAll = false;
	if ( window.matchMedia ) {
		mediaQuery = window.matchMedia( '(prefers-reduced-motion: reduce)' );
		if ( ! mediaQuery || mediaQuery.matches ) {
			priv.pauseAll = true;
		}
	}

	// Method to replace animated GIFs with a static frame.
	priv.freezeAnimatedPluginIcons = function( img ) {
		var coverImage = function() {
			var width = img.width;
			var height = img.height;
			var canvas = document.createElement( 'canvas' );

			// Set canvas dimensions.
			canvas.width = width;
			canvas.height = height;

			// Copy classes from the image to the canvas.
			canvas.className = img.className;

			// Check if the image is inside a specific table.
			var isInsideUpdateTable = img.closest( '#update-plugins-table' );

			if ( isInsideUpdateTable ) {
				// Transfer computed styles from image to canvas.
				var computedStyles = window.getComputedStyle( img ),
					i, max;
				for ( i = 0, max = computedStyles.length; i < max; i++ ) {
					var propName = computedStyles[ i ];
					var propValue = computedStyles.getPropertyValue( propName );
					canvas.style[ propName ] = propValue;
				}
			}

			// Draw the image onto the canvas.
			canvas.getContext( '2d' ).drawImage( img, 0, 0, width, height );

			// Set accessibility attributes on canvas.
			canvas.setAttribute( 'aria-hidden', 'true' );
			canvas.setAttribute( 'role', 'presentation' );

			// Insert canvas before the image and set the image to be near-invisible.
			var parent = img.parentNode;
			parent.insertBefore( canvas, img );
			img.style.opacity = 0.01;
			img.style.width = '0px';
			img.style.height = '0px';
		};

		// If the image is already loaded, apply the coverImage function.
		if ( img.complete ) {
			coverImage();
		} else {
			// Otherwise, wait for the image to load.
			img.addEventListener( 'load', coverImage, true );
		}
	};

	// Public method to freeze all relevant GIFs on the page.
	pub.freezeAll = function() {
		var images = document.querySelectorAll( '.plugin-icon, #update-plugins-table img' );
		for ( var x = 0; x < images.length; x++ ) {
			if ( /\.gif(?:\?|$)/i.test( images[ x ].src ) ) {
				priv.freezeAnimatedPluginIcons( images[ x ] );
			}
		}
	};

	// Only run the freezeAll method if the user prefers reduced motion.
	if ( true === priv.pauseAll ) {
		pub.freezeAll();
	}

	// Listen for jQuery AJAX events.
	( function( $ ) {
		if ( window.pagenow === 'plugin-install' ) {
			// Only listen for ajaxComplete if this is the plugin-install.php page.
			$( document ).ajaxComplete( function( event, xhr, settings ) {

				// Check if this is the 'search-install-plugins' request.
				if ( settings.data && typeof settings.data === 'string' && settings.data.includes( 'action=search-install-plugins' ) ) {
					// Recheck if the user prefers reduced motion.
					if ( window.matchMedia ) {
						var mediaQuery = window.matchMedia( '(prefers-reduced-motion: reduce)' );
						if ( mediaQuery.matches ) {
							pub.freezeAll();
						}
					} else {
						// Fallback for browsers that don't support matchMedia.
						if ( true === priv.pauseAll ) {
							pub.freezeAll();
						}
					}
				}
			} );
		}
	} )( jQuery );

	// Expose public methods.
	return pub;
})();
PK       ! �g؞�  �    tags.jsnu �[���        /**
 * Contains logic for deleting and adding tags.
 *
 * For deleting tags it makes a request to the server to delete the tag.
 * For adding tags it makes a request to the server to add the tag.
 *
 * @output wp-admin/js/tags.js
 */

 /* global ajaxurl, wpAjax, showNotice, validateForm */

jQuery( function($) {

	var addingTerm = false;

	/**
	 * Adds an event handler to the delete term link on the term overview page.
	 *
	 * Cancels default event handling and event bubbling.
	 *
	 * @since 2.8.0
	 *
	 * @return {boolean} Always returns false to cancel the default event handling.
	 */
	$( '#the-list' ).on( 'click', '.delete-tag', function() {
		var t = $(this), tr = t.parents('tr'), r = true, data;

		if ( 'undefined' != showNotice )
			r = showNotice.warn();

		if ( r ) {
			data = t.attr('href').replace(/[^?]*\?/, '').replace(/action=delete/, 'action=delete-tag');

			tr.children().css('backgroundColor', '#faafaa');

			// Disable pointer events and all form controls/links in the row
			tr.css('pointer-events', 'none');
			tr.find(':input, a').prop('disabled', true).attr('tabindex', -1);

			/**
			 * Makes a request to the server to delete the term that corresponds to the
			 * delete term button.
			 *
			 * @param {string} r The response from the server.
			 *
			 * @return {void}
			 */
			$.post(ajaxurl, data, function(r){
				var message;
				if ( '1' == r ) {
					$('#ajax-response').empty();
					let nextFocus = tr.next( 'tr' ).find( 'a.row-title' );
					let prevFocus = tr.prev( 'tr' ).find( 'a.row-title' );
					// If there is neither a next row or a previous row, focus the tag input field.
					if ( nextFocus.length < 1 && prevFocus.length < 1 ) {
						nextFocus = $( '#tag-name' ).trigger( 'focus' );
					} else {
						if ( nextFocus.length < 1 ) {
							nextFocus = prevFocus;
						}
					}

					tr.fadeOut('normal', function(){ tr.remove(); });

					/**
					 * Removes the term from the parent box and the tag cloud.
					 *
					 * `data.match(/tag_ID=(\d+)/)[1]` matches the term ID from the data variable.
					 * This term ID is then used to select the relevant HTML elements:
					 * The parent box and the tag cloud.
					 */
					$('select#parent option[value="' + data.match(/tag_ID=(\d+)/)[1] + '"]').remove();
					$('a.tag-link-' + data.match(/tag_ID=(\d+)/)[1]).remove();
					nextFocus.trigger( 'focus' );
					message = wp.i18n.__( 'The selected tag has been deleted.' );
			
				} else if ( '-1' == r ) {
					message = wp.i18n.__( 'Sorry, you are not allowed to do that.' );
					$('#ajax-response').empty().append('<div class="notice notice-error"><p>' + message + '</p></div>');
					resetRowAfterFailure( tr );

				} else {
					message = wp.i18n.__( 'An error occurred while processing your request. Please try again later.' );
					$('#ajax-response').empty().append('<div class="notice notice-error"><p>' + message + '</p></div>');
					resetRowAfterFailure( tr );
				}
				wp.a11y.speak( message, 'assertive' );
			});
		}

		return false;
	});

	/**
	 * Restores the original UI state of a table row after an AJAX failure.
	 *
	 * @param {jQuery} tr The table row to reset.
	 * @return {void}
	 */
	function resetRowAfterFailure( tr ) {
		tr.children().css( 'backgroundColor', '' );
		tr.css( 'pointer-events', '' );
		tr.find( ':input, a' ).prop( 'disabled', false ).removeAttr( 'tabindex' );
	}

	/**
	 * Adds a deletion confirmation when removing a tag.
	 *
	 * @since 4.8.0
	 *
	 * @return {void}
	 */
	$( '#edittag' ).on( 'click', '.delete', function( e ) {
		if ( 'undefined' === typeof showNotice ) {
			return true;
		}

		// Confirms the deletion, a negative response means the deletion must not be executed.
		var response = showNotice.warn();
		if ( ! response ) {
			e.preventDefault();
		}
	});

	/**
	 * Adds an event handler to the form submit on the term overview page.
	 *
	 * Cancels default event handling and event bubbling.
	 *
	 * @since 2.8.0
	 *
	 * @return {boolean} Always returns false to cancel the default event handling.
	 */
	$('#submit').on( 'click', function(){
		var form = $(this).parents('form');

		if ( addingTerm ) {
			// If we're adding a term, noop the button to avoid duplicate requests.
			return false;
		}

		addingTerm = true;
		form.find( '.submit .spinner' ).addClass( 'is-active' );

		/**
		 * Does a request to the server to add a new term to the database
		 *
		 * @param {string} r The response from the server.
		 *
		 * @return {void}
		 */
		$.post(ajaxurl, $('#addtag').serialize(), function(r){
			var res, parent, term, indent, i;

			addingTerm = false;
			form.find( '.submit .spinner' ).removeClass( 'is-active' );

			$('#ajax-response').empty();
			res = wpAjax.parseAjaxResponse( r, 'ajax-response' );

			if ( res.errors && res.responses[0].errors[0].code === 'empty_term_name' ) {
				validateForm( form );
			}

			if ( ! res || res.errors ) {
				return;
			}

			parent = form.find( 'select#parent' ).val();

			// If the parent exists on this page, insert it below. Else insert it at the top of the list.
			if ( parent > 0 && $('#tag-' + parent ).length > 0 ) {
				// As the parent exists, insert the version with - - - prefixed.
				$( '.tags #tag-' + parent ).after( res.responses[0].supplemental.noparents );
			} else {
				// As the parent is not visible, insert the version with Parent - Child - ThisTerm.
				$( '.tags' ).prepend( res.responses[0].supplemental.parents );
			}

			$('.tags .no-items').remove();

			if ( form.find('select#parent') ) {
				// Parents field exists, Add new term to the list.
				term = res.responses[1].supplemental;

				// Create an indent for the Parent field.
				indent = '';
				for ( i = 0; i < res.responses[1].position; i++ )
					indent += '&nbsp;&nbsp;&nbsp;';

				form.find( 'select#parent option:selected' ).after( '<option value="' + term.term_id + '">' + indent + term.name + '</option>' );
			}

			$('input:not([type="checkbox"]):not([type="radio"]):not([type="button"]):not([type="submit"]):not([type="reset"]):visible, textarea:visible', form).val('');
		});

		return false;
	});

});
PK       ! "{(&  (&    color-picker.jsnu �[���        /**
 * @output wp-admin/js/color-picker.js
 */

( function( $, undef ) {

	var ColorPicker,
		_before = '<button type="button" class="button wp-color-result" aria-expanded="false"><span class="wp-color-result-text"></span></button>',
		_after = '<div class="wp-picker-holder" />',
		_wrap = '<div class="wp-picker-container" />',
		_button = '<input type="button" class="button button-small" />',
		_wrappingLabel = '<label></label>',
		_wrappingLabelText = '<span class="screen-reader-text"></span>',
		__ = wp.i18n.__;

	/**
	 * Creates a jQuery UI color picker that is used in the theme customizer.
	 *
	 * @class $.widget.wp.wpColorPicker
	 *
	 * @since 3.5.0
	 */
	ColorPicker = /** @lends $.widget.wp.wpColorPicker.prototype */{
		options: {
			defaultColor: false,
			change: false,
			clear: false,
			hide: true,
			palettes: true,
			width: 255,
			mode: 'hsv',
			type: 'full',
			slider: 'horizontal'
		},
		/**
		 * Creates a color picker that only allows you to adjust the hue.
		 *
		 * @since 3.5.0
		 * @access private
		 *
		 * @return {void}
		 */
		_createHueOnly: function() {
			var self = this,
				el = self.element,
				color;

			el.hide();

			// Set the saturation to the maximum level.
			color = 'hsl(' + el.val() + ', 100, 50)';

			// Create an instance of the color picker, using the hsl mode.
			el.iris( {
				mode: 'hsl',
				type: 'hue',
				hide: false,
				color: color,
				/**
				 * Handles the onChange event if one has been defined in the options.
				 *
				 * @ignore
				 *
				 * @param {Event} event    The event that's being called.
				 * @param {HTMLElement} ui The HTMLElement containing the color picker.
				 *
				 * @return {void}
				 */
				change: function( event, ui ) {
					if ( typeof self.options.change === 'function' ) {
						self.options.change.call( this, event, ui );
					}
				},
				width: self.options.width,
				slider: self.options.slider
			} );
		},
		/**
		 * Creates the color picker, sets default values, css classes and wraps it all in HTML.
		 *
		 * @since 3.5.0
		 * @access private
		 *
		 * @return {void}
		 */
		_create: function() {
			// Return early if Iris support is missing.
			if ( ! $.support.iris ) {
				return;
			}

			var self = this,
				el = self.element;

			// Override default options with options bound to the element.
			$.extend( self.options, el.data() );

			// Create a color picker which only allows adjustments to the hue.
			if ( self.options.type === 'hue' ) {
				return self._createHueOnly();
			}

			// Bind the close event.
			self.close = self.close.bind( self );

			self.initialValue = el.val();

			// Add a CSS class to the input field.
			el.addClass( 'wp-color-picker' );

			/*
			 * Check if there's already a wrapping label, e.g. in the Customizer.
			 * If there's no label, add a default one to match the Customizer template.
			 */
			if ( ! el.parent( 'label' ).length ) {
				// Wrap the input field in the default label.
				el.wrap( _wrappingLabel );
				// Insert the default label text.
				self.wrappingLabelText = $( _wrappingLabelText )
					.insertBefore( el )
					.text( __( 'Color value' ) );
			}

			/*
			 * At this point, either it's the standalone version or the Customizer
			 * one, we have a wrapping label to use as hook in the DOM, let's store it.
			 */
			self.wrappingLabel = el.parent();

			// Wrap the label in the main wrapper.
			self.wrappingLabel.wrap( _wrap );
			// Store a reference to the main wrapper.
			self.wrap = self.wrappingLabel.parent();
			// Set up the toggle button and insert it before the wrapping label.
			self.toggler = $( _before )
				.insertBefore( self.wrappingLabel )
				.css( { backgroundColor: self.initialValue } );
			// Set the toggle button span element text.
			self.toggler.find( '.wp-color-result-text' ).text( __( 'Select Color' ) );
			// Set up the Iris container and insert it after the wrapping label.
			self.pickerContainer = $( _after ).insertAfter( self.wrappingLabel );
			// Store a reference to the Clear/Default button.
			self.button = $( _button );

			// Set up the Clear/Default button.
			if ( self.options.defaultColor ) {
				self.button
					.addClass( 'wp-picker-default' )
					.val( __( 'Default' ) )
					.attr( 'aria-label', __( 'Select default color' ) );
			} else {
				self.button
					.addClass( 'wp-picker-clear' )
					.val( __( 'Clear' ) )
					.attr( 'aria-label', __( 'Clear color' ) );
			}

			// Wrap the wrapping label in its wrapper and append the Clear/Default button.
			self.wrappingLabel
				.wrap( '<span class="wp-picker-input-wrap hidden" />' )
				.after( self.button );

			/*
			 * The input wrapper now contains the label+input+Clear/Default button.
			 * Store a reference to the input wrapper: we'll use this to toggle
			 * the controls visibility.
			 */
			self.inputWrapper = el.closest( '.wp-picker-input-wrap' );

			el.iris( {
				target: self.pickerContainer,
				hide: self.options.hide,
				width: self.options.width,
				mode: self.options.mode,
				palettes: self.options.palettes,
				/**
				 * Handles the onChange event if one has been defined in the options and additionally
				 * sets the background color for the toggler element.
				 *
				 * @since 3.5.0
				 *
				 * @ignore
				 *
				 * @param {Event} event    The event that's being called.
				 * @param {HTMLElement} ui The HTMLElement containing the color picker.
				 *
				 * @return {void}
				 */
				change: function( event, ui ) {
					self.toggler.css( { backgroundColor: ui.color.toString() } );

					if ( typeof self.options.change === 'function' ) {
						self.options.change.call( this, event, ui );
					}
				}
			} );

			el.val( self.initialValue );
			self._addListeners();

			// Force the color picker to always be closed on initial load.
			if ( ! self.options.hide ) {
				self.toggler.click();
			}
		},
		/**
		 * Binds event listeners to the color picker.
		 *
		 * @since 3.5.0
		 * @access private
		 *
		 * @return {void}
		 */
		_addListeners: function() {
			var self = this;

			/**
			 * Prevent any clicks inside this widget from leaking to the top and closing it.
			 *
			 * @since 3.5.0
			 *
			 * @param {Event} event The event that's being called.
			 *
			 * @return {void}
			 */
			self.wrap.on( 'click.wpcolorpicker', function( event ) {
				event.stopPropagation();
			});

			/**
			 * Open or close the color picker depending on the class.
			 *
			 * @since 3.5.0
			 */
			self.toggler.on( 'click', function(){
				if ( self.toggler.hasClass( 'wp-picker-open' ) ) {
					self.close();
				} else {
					self.open();
				}
			});

			/**
			 * Checks if value is empty when changing the color in the color picker.
			 * If so, the background color is cleared.
			 *
			 * @since 3.5.0
			 *
			 * @param {Event} event The event that's being called.
			 *
			 * @return {void}
			 */
			self.element.on( 'change', function( event ) {
				var me = $( this ),
					val = me.val();

				if ( val === '' || val === '#' ) {
					self.toggler.css( 'backgroundColor', '' );
					// Fire clear callback if we have one.
					if ( typeof self.options.clear === 'function' ) {
						self.options.clear.call( this, event );
					}
				}
			});

			/**
			 * Enables the user to either clear the color in the color picker or revert back to the default color.
			 *
			 * @since 3.5.0
			 *
			 * @param {Event} event The event that's being called.
			 *
			 * @return {void}
			 */
			self.button.on( 'click', function( event ) {
				var me = $( this );
				if ( me.hasClass( 'wp-picker-clear' ) ) {
					self.element.val( '' );
					self.toggler.css( 'backgroundColor', '' );
					if ( typeof self.options.clear === 'function' ) {
						self.options.clear.call( this, event );
					}
				} else if ( me.hasClass( 'wp-picker-default' ) ) {
					self.element.val( self.options.defaultColor ).change();
				}
			});
		},
		/**
		 * Opens the color picker dialog.
		 *
		 * @since 3.5.0
		 *
		 * @return {void}
		 */
		open: function() {
			this.element.iris( 'toggle' );
			this.inputWrapper.removeClass( 'hidden' );
			this.wrap.addClass( 'wp-picker-active' );
			this.toggler
				.addClass( 'wp-picker-open' )
				.attr( 'aria-expanded', 'true' );
			$( 'body' ).trigger( 'click.wpcolorpicker' ).on( 'click.wpcolorpicker', this.close );
		},
		/**
		 * Closes the color picker dialog.
		 *
		 * @since 3.5.0
		 *
		 * @return {void}
		 */
		close: function() {
			this.element.iris( 'toggle' );
			this.inputWrapper.addClass( 'hidden' );
			this.wrap.removeClass( 'wp-picker-active' );
			this.toggler
				.removeClass( 'wp-picker-open' )
				.attr( 'aria-expanded', 'false' );
			$( 'body' ).off( 'click.wpcolorpicker', this.close );
		},
		/**
		 * Returns the iris object if no new color is provided. If a new color is provided, it sets the new color.
		 *
		 * @param newColor {string|*} The new color to use. Can be undefined.
		 *
		 * @since 3.5.0
		 *
		 * @return {string} The element's color.
		 */
		color: function( newColor ) {
			if ( newColor === undef ) {
				return this.element.iris( 'option', 'color' );
			}
			this.element.iris( 'option', 'color', newColor );
		},
		/**
		 * Returns the iris object if no new default color is provided.
		 * If a new default color is provided, it sets the new default color.
		 *
		 * @param newDefaultColor {string|*} The new default color to use. Can be undefined.
		 *
		 * @since 3.5.0
		 *
		 * @return {boolean|string} The element's color.
		 */
		defaultColor: function( newDefaultColor ) {
			if ( newDefaultColor === undef ) {
				return this.options.defaultColor;
			}

			this.options.defaultColor = newDefaultColor;
		}
	};

	// Register the color picker as a widget.
	$.widget( 'wp.wpColorPicker', ColorPicker );
}( jQuery ) );
PK       ! 4��]�P  �P    inline-edit-post.jsnu �[���        /**
 * This file contains the functions needed for the inline editing of posts.
 *
 * @since 2.7.0
 * @output wp-admin/js/inline-edit-post.js
 */

/* global ajaxurl, typenow, inlineEditPost */

window.wp = window.wp || {};

/**
 * Manages the quick edit and bulk edit windows for editing posts or pages.
 *
 * @namespace inlineEditPost
 *
 * @since 2.7.0
 *
 * @type {Object}
 *
 * @property {string} type The type of inline editor.
 * @property {string} what The prefix before the post ID.
 *
 */
( function( $, wp ) {

	window.inlineEditPost = {

	/**
	 * Initializes the inline and bulk post editor.
	 *
	 * Binds event handlers to the Escape key to close the inline editor
	 * and to the save and close buttons. Changes DOM to be ready for inline
	 * editing. Adds event handler to bulk edit.
	 *
	 * @since 2.7.0
	 *
	 * @memberof inlineEditPost
	 *
	 * @return {void}
	 */
	init : function(){
		var t = this, qeRow = $('#inline-edit'), bulkRow = $('#bulk-edit');

		t.type = $('table.widefat').hasClass('pages') ? 'page' : 'post';
		// Post ID prefix.
		t.what = '#post-';

		/**
		 * Binds the Escape key to revert the changes and close the quick editor.
		 *
		 * @return {boolean} The result of revert.
		 */
		qeRow.on( 'keyup', function(e){
			// Revert changes if Escape key is pressed.
			if ( e.which === 27 ) {
				return inlineEditPost.revert();
			}
		});

		/**
		 * Binds the Escape key to revert the changes and close the bulk editor.
		 *
		 * @return {boolean} The result of revert.
		 */
		bulkRow.on( 'keyup', function(e){
			// Revert changes if Escape key is pressed.
			if ( e.which === 27 ) {
				return inlineEditPost.revert();
			}
		});

		/**
		 * Reverts changes and close the quick editor if the cancel button is clicked.
		 *
		 * @return {boolean} The result of revert.
		 */
		$( '.cancel', qeRow ).on( 'click', function() {
			return inlineEditPost.revert();
		});

		/**
		 * Saves changes in the quick editor if the save(named: update) button is clicked.
		 *
		 * @return {boolean} The result of save.
		 */
		$( '.save', qeRow ).on( 'click', function() {
			return inlineEditPost.save(this);
		});

		/**
		 * If Enter is pressed, and the target is not the cancel button, save the post.
		 *
		 * @return {boolean} The result of save.
		 */
		$('td', qeRow).on( 'keydown', function(e){
			if ( e.which === 13 && ! $( e.target ).hasClass( 'cancel' ) ) {
				return inlineEditPost.save(this);
			}
		});

		/**
		 * Reverts changes and close the bulk editor if the cancel button is clicked.
		 *
		 * @return {boolean} The result of revert.
		 */
		$( '.cancel', bulkRow ).on( 'click', function() {
			return inlineEditPost.revert();
		});

		/**
		 * Disables the password input field when the private post checkbox is checked.
		 */
		$('#inline-edit .inline-edit-private input[value="private"]').on( 'click', function(){
			var pw = $('input.inline-edit-password-input');
			if ( $(this).prop('checked') ) {
				pw.val('').prop('disabled', true);
			} else {
				pw.prop('disabled', false);
			}
		});

		/**
		 * Binds click event to the .editinline button which opens the quick editor.
		 */
		$( '#the-list' ).on( 'click', '.editinline', function() {
			$( this ).attr( 'aria-expanded', 'true' );
			inlineEditPost.edit( this );
		});

		// Clone quick edit categories for the bulk editor.
		var beCategories = $( '#inline-edit fieldset.inline-edit-categories' ).clone();

		// Make "id" attributes globally unique.
		beCategories.find( '*[id]' ).each( function() {
			this.id = 'bulk-edit-' + this.id;
		});

		$('#bulk-edit').find('fieldset:first').after(
			beCategories
		).siblings( 'fieldset:last' ).prepend(
			$( '#inline-edit .inline-edit-tags-wrap' ).clone()
		);

		$('select[name="_status"] option[value="future"]', bulkRow).remove();

		/**
		 * Adds onclick events to the apply buttons.
		 */
		$('#doaction').on( 'click', function(e){
			var n,
				$itemsSelected = $( '#posts-filter .check-column input[type="checkbox"]:checked' );

			if ( $itemsSelected.length < 1 ) {
				return;
			}

			t.whichBulkButtonId = $( this ).attr( 'id' );
			n = t.whichBulkButtonId.substr( 2 );

			if ( 'edit' === $( 'select[name="' + n + '"]' ).val() ) {
				e.preventDefault();
				t.setBulk();
			} else if ( $('form#posts-filter tr.inline-editor').length > 0 ) {
				t.revert();
			}
		});
	},

	/**
	 * Toggles the quick edit window, hiding it when it's active and showing it when
	 * inactive.
	 *
	 * @since 2.7.0
	 *
	 * @memberof inlineEditPost
	 *
	 * @param {Object} el Element within a post table row.
	 */
	toggle : function(el){
		var t = this;
		$( t.what + t.getId( el ) ).css( 'display' ) === 'none' ? t.revert() : t.edit( el );
	},

	/**
	 * Creates the bulk editor row to edit multiple posts at once.
	 *
	 * @since 2.7.0
	 *
	 * @memberof inlineEditPost
	 */
	setBulk : function(){
		var te = '', type = this.type, c = true;
		var checkedPosts = $( 'tbody th.check-column input[type="checkbox"]:checked' );
		var categories = {};
		this.revert();

		$( '#bulk-edit td' ).attr( 'colspan', $( 'th:visible, td:visible', '.widefat:first thead' ).length );

		// Insert the editor at the top of the table with an empty row above to maintain zebra striping.
		$('table.widefat tbody').prepend( $('#bulk-edit') ).prepend('<tr class="hidden"></tr>');
		$('#bulk-edit').addClass('inline-editor').show();

		/**
		 * Create a HTML div with the title and a link(delete-icon) for each selected
		 * post.
		 *
		 * Get the selected posts based on the checked checkboxes in the post table.
		 */
		$( 'tbody th.check-column input[type="checkbox"]' ).each( function() {

			// If the checkbox for a post is selected, add the post to the edit list.
			if ( $(this).prop('checked') ) {
				c = false;
				var id = $( this ).val(),
					theTitle = $( '#inline_' + id + ' .post_title' ).html() || wp.i18n.__( '(no title)' ),
					buttonVisuallyHiddenText = wp.i18n.sprintf(
						/* translators: %s: Post title. */
						wp.i18n.__( 'Remove &#8220;%s&#8221; from Bulk Edit' ),
						theTitle
					);

				te += '<li class="ntdelitem"><button type="button" id="_' + id + '" class="button-link ntdelbutton"><span class="screen-reader-text">' + buttonVisuallyHiddenText + '</span></button><span class="ntdeltitle" aria-hidden="true">' + theTitle + '</span></li>';
			}
		});

		// If no checkboxes where checked, just hide the quick/bulk edit rows.
		if ( c ) {
			return this.revert();
		}

		// Populate the list of items to bulk edit.
		$( '#bulk-titles' ).html( '<ul id="bulk-titles-list" role="list">' + te + '</ul>' );

		// Gather up some statistics on which of these checked posts are in which categories.
		checkedPosts.each( function() {
			var id      = $( this ).val();
			var checked = $( '#category_' + id ).text().split( ',' );

			checked.map( function( cid ) {
				categories[ cid ] || ( categories[ cid ] = 0 );
				// Just record that this category is checked.
				categories[ cid ]++;
			} );
		} );

		// Compute initial states.
		$( '.inline-edit-categories input[name="post_category[]"]' ).each( function() {
			if ( categories[ $( this ).val() ] == checkedPosts.length ) {
				// If the number of checked categories matches the number of selected posts, then all posts are in this category.
				$( this ).prop( 'checked', true );
			} else if ( categories[ $( this ).val() ] > 0 ) {
				// If the number is less than the number of selected posts, then it's indeterminate.
				$( this ).prop( 'indeterminate', true );
				if ( ! $( this ).parent().find( 'input[name="indeterminate_post_category[]"]' ).length ) {
					// Get the term label text.
					var label = $( this ).parent().text();
					// Set indeterminate states for the backend. Add accessible text for indeterminate inputs.
					$( this ).after( '<input type="hidden" name="indeterminate_post_category[]" value="' + $( this ).val() + '">' ).attr( 'aria-label', label.trim() + ': ' + wp.i18n.__( 'Some selected posts have this category' ) );
				}
			}
		} );

		$( '.inline-edit-categories input[name="post_category[]"]:indeterminate' ).on( 'change', function() {
			// Remove accessible label text. Remove the indeterminate flags as there was a specific state change.
			$( this ).removeAttr( 'aria-label' ).parent().find( 'input[name="indeterminate_post_category[]"]' ).remove();
		} );

		$( '.inline-edit-save button' ).on( 'click', function() {
			$( '.inline-edit-categories input[name="post_category[]"]' ).prop( 'indeterminate', false );
		} );

		/**
		 * Binds on click events to handle the list of items to bulk edit.
		 *
		 * @listens click
		 */
		$( '#bulk-titles .ntdelbutton' ).click( function() {
			var $this = $( this ),
				id = $this.attr( 'id' ).substr( 1 ),
				$prev = $this.parent().prev().children( '.ntdelbutton' ),
				$next = $this.parent().next().children( '.ntdelbutton' );

			$( 'input#cb-select-all-1, input#cb-select-all-2' ).prop( 'checked', false );
			$( 'table.widefat input[value="' + id + '"]' ).prop( 'checked', false );
			$( '#_' + id ).parent().remove();
			wp.a11y.speak( wp.i18n.__( 'Item removed.' ), 'assertive' );

			// Move focus to a proper place when items are removed.
			if ( $next.length ) {
				$next.focus();
			} else if ( $prev.length ) {
				$prev.focus();
			} else {
				$( '#bulk-titles-list' ).remove();
				inlineEditPost.revert();
				wp.a11y.speak( wp.i18n.__( 'All selected items have been removed. Select new items to use Bulk Actions.' ) );
			}
		});

		// Enable auto-complete for tags when editing posts.
		if ( 'post' === type ) {
			$( 'tr.inline-editor textarea[data-wp-taxonomy]' ).each( function ( i, element ) {
				/*
				 * While Quick Edit clones the form each time, Bulk Edit always re-uses
				 * the same form. Let's check if an autocomplete instance already exists.
				 */
				if ( $( element ).autocomplete( 'instance' ) ) {
					// jQuery equivalent of `continue` within an `each()` loop.
					return;
				}

				$( element ).wpTagsSuggest();
			} );
		}

		// Set initial focus on the Bulk Edit region.
		$( '#bulk-edit .inline-edit-wrapper' ).attr( 'tabindex', '-1' ).focus();
		// Scrolls to the top of the table where the editor is rendered.
		$('html, body').animate( { scrollTop: 0 }, 'fast' );
	},

	/**
	 * Creates a quick edit window for the post that has been clicked.
	 *
	 * @since 2.7.0
	 *
	 * @memberof inlineEditPost
	 *
	 * @param {number|Object} id The ID of the clicked post or an element within a post
	 *                           table row.
	 * @return {boolean} Always returns false at the end of execution.
	 */
	edit : function(id) {
		var t = this, fields, editRow, rowData, status, pageOpt, pageLevel, nextPage, pageLoop = true, nextLevel, f, val, pw;
		t.revert();

		if ( typeof(id) === 'object' ) {
			id = t.getId(id);
		}

		fields = ['post_title', 'post_name', 'post_author', '_status', 'jj', 'mm', 'aa', 'hh', 'mn', 'ss', 'post_password', 'post_format', 'menu_order', 'page_template'];
		if ( t.type === 'page' ) {
			fields.push('post_parent');
		}

		// Add the new edit row with an extra blank row underneath to maintain zebra striping.
		editRow = $('#inline-edit').clone(true);
		$( 'td', editRow ).attr( 'colspan', $( 'th:visible, td:visible', '.widefat:first thead' ).length );

		// Remove the ID from the copied row and let the `for` attribute reference the hidden ID.
		$( 'td', editRow ).find('#quick-edit-legend').removeAttr('id');
		$( 'td', editRow ).find('p[id^="quick-edit-"]').removeAttr('id');

		$(t.what+id).removeClass('is-expanded').hide().after(editRow).after('<tr class="hidden"></tr>');

		// Populate fields in the quick edit window.
		rowData = $('#inline_'+id);
		if ( !$(':input[name="post_author"] option[value="' + $('.post_author', rowData).text() + '"]', editRow).val() ) {

			// The post author no longer has edit capabilities, so we need to add them to the list of authors.
			$(':input[name="post_author"]', editRow).prepend('<option value="' + $('.post_author', rowData).text() + '">' + $('#post-' + id + ' .author').text() + '</option>');
		}
		if ( $( ':input[name="post_author"] option', editRow ).length === 1 ) {
			$('label.inline-edit-author', editRow).hide();
		}

		for ( f = 0; f < fields.length; f++ ) {
			val = $('.'+fields[f], rowData);

			/**
			 * Replaces the image for a Twemoji(Twitter emoji) with it's alternate text.
			 *
			 * @return {string} Alternate text from the image.
			 */
			val.find( 'img' ).replaceWith( function() { return this.alt; } );
			val = val.text();
			$(':input[name="' + fields[f] + '"]', editRow).val( val );
		}

		if ( $( '.comment_status', rowData ).text() === 'open' ) {
			$( 'input[name="comment_status"]', editRow ).prop( 'checked', true );
		}
		if ( $( '.ping_status', rowData ).text() === 'open' ) {
			$( 'input[name="ping_status"]', editRow ).prop( 'checked', true );
		}
		if ( $( '.sticky', rowData ).text() === 'sticky' ) {
			$( 'input[name="sticky"]', editRow ).prop( 'checked', true );
		}

		/**
		 * Creates the select boxes for the categories.
		 */
		$('.post_category', rowData).each(function(){
			var taxname,
				term_ids = $(this).text();

			if ( term_ids ) {
				taxname = $(this).attr('id').replace('_'+id, '');
				$('ul.'+taxname+'-checklist :checkbox', editRow).val(term_ids.split(','));
			}
		});

		/**
		 * Gets all the taxonomies for live auto-fill suggestions when typing the name
		 * of a tag.
		 */
		$('.tags_input', rowData).each(function(){
			var terms = $(this),
				taxname = $(this).attr('id').replace('_' + id, ''),
				textarea = $('textarea.tax_input_' + taxname, editRow),
				comma = wp.i18n._x( ',', 'tag delimiter' ).trim();

			// Ensure the textarea exists.
			if ( ! textarea.length ) {
				return;
			}

			terms.find( 'img' ).replaceWith( function() { return this.alt; } );
			terms = terms.text();

			if ( terms ) {
				if ( ',' !== comma ) {
					terms = terms.replace(/,/g, comma);
				}
				textarea.val(terms);
			}

			textarea.wpTagsSuggest();
		});

		// Handle the post status.
		var post_date_string = $(':input[name="aa"]').val() + '-' + $(':input[name="mm"]').val() + '-' + $(':input[name="jj"]').val();
		post_date_string += ' ' + $(':input[name="hh"]').val() + ':' + $(':input[name="mn"]').val() + ':' + $(':input[name="ss"]').val();
		var post_date = new Date( post_date_string );
		status = $('._status', rowData).text();
		if ( 'future' !== status && Date.now() > post_date ) {
			$('select[name="_status"] option[value="future"]', editRow).remove();
		} else {
			$('select[name="_status"] option[value="publish"]', editRow).remove();
		}

		pw = $( '.inline-edit-password-input' ).prop( 'disabled', false );
		if ( 'private' === status ) {
			$('input[name="keep_private"]', editRow).prop('checked', true);
			pw.val( '' ).prop( 'disabled', true );
		}

		// Remove the current page and children from the parent dropdown.
		pageOpt = $('select[name="post_parent"] option[value="' + id + '"]', editRow);
		if ( pageOpt.length > 0 ) {
			pageLevel = pageOpt[0].className.split('-')[1];
			nextPage = pageOpt;
			while ( pageLoop ) {
				nextPage = nextPage.next('option');
				if ( nextPage.length === 0 ) {
					break;
				}

				nextLevel = nextPage[0].className.split('-')[1];

				if ( nextLevel <= pageLevel ) {
					pageLoop = false;
				} else {
					nextPage.remove();
					nextPage = pageOpt;
				}
			}
			pageOpt.remove();
		}

		$(editRow).attr('id', 'edit-'+id).addClass('inline-editor').show();
		$('.ptitle', editRow).trigger( 'focus' );

		return false;
	},

	/**
	 * Saves the changes made in the quick edit window to the post.
	 * Ajax saving is only for Quick Edit and not for bulk edit.
	 *
	 * @since 2.7.0
	 *
	 * @param {number} id The ID for the post that has been changed.
	 * @return {boolean} False, so the form does not submit when pressing
	 *                   Enter on a focused field.
	 */
	save : function(id) {
		var params, fields, page = $('.post_status_page').val() || '';

		if ( typeof(id) === 'object' ) {
			id = this.getId(id);
		}

		$( 'table.widefat .spinner' ).addClass( 'is-active' );

		params = {
			action: 'inline-save',
			post_type: typenow,
			post_ID: id,
			edit_date: 'true',
			post_status: page
		};

		fields = $('#edit-'+id).find(':input').serialize();
		params = fields + '&' + $.param(params);

		// Make Ajax request.
		$.post( ajaxurl, params,
			function(r) {
				var $errorNotice = $( '#edit-' + id + ' .inline-edit-save .notice-error' ),
					$error = $errorNotice.find( '.error' );

				$( 'table.widefat .spinner' ).removeClass( 'is-active' );

				if (r) {
					if ( -1 !== r.indexOf( '<tr' ) ) {
						$(inlineEditPost.what+id).siblings('tr.hidden').addBack().remove();
						$('#edit-'+id).before(r).remove();
						$( inlineEditPost.what + id ).hide().fadeIn( 400, function() {
							// Move focus back to the Quick Edit button. $( this ) is the row being animated.
							$( this ).find( '.editinline' )
								.attr( 'aria-expanded', 'false' )
								.trigger( 'focus' );
							wp.a11y.speak( wp.i18n.__( 'Changes saved.' ) );
						});
					} else {
						r = r.replace( /<.[^<>]*?>/g, '' );
						$errorNotice.removeClass( 'hidden' );
						$error.html( r );
						wp.a11y.speak( $error.text() );
					}
				} else {
					$errorNotice.removeClass( 'hidden' );
					$error.text( wp.i18n.__( 'Error while saving the changes.' ) );
					wp.a11y.speak( wp.i18n.__( 'Error while saving the changes.' ) );
				}
			},
		'html');

		// Prevent submitting the form when pressing Enter on a focused field.
		return false;
	},

	/**
	 * Hides and empties the Quick Edit and/or Bulk Edit windows.
	 *
	 * @since 2.7.0
	 *
	 * @memberof inlineEditPost
	 *
	 * @return {boolean} Always returns false.
	 */
	revert : function(){
		var $tableWideFat = $( '.widefat' ),
			id = $( '.inline-editor', $tableWideFat ).attr( 'id' );

		if ( id ) {
			$( '.spinner', $tableWideFat ).removeClass( 'is-active' );

			if ( 'bulk-edit' === id ) {

				// Hide the bulk editor.
				$( '#bulk-edit', $tableWideFat ).removeClass( 'inline-editor' ).hide().siblings( '.hidden' ).remove();
				$('#bulk-titles').empty();

				// Store the empty bulk editor in a hidden element.
				$('#inlineedit').append( $('#bulk-edit') );

				// Move focus back to the Bulk Action button that was activated.
				$( '#' + inlineEditPost.whichBulkButtonId ).trigger( 'focus' );
			} else {

				// Remove both the inline-editor and its hidden tr siblings.
				$('#'+id).siblings('tr.hidden').addBack().remove();
				id = id.substr( id.lastIndexOf('-') + 1 );

				// Show the post row and move focus back to the Quick Edit button.
				$( this.what + id ).show().find( '.editinline' )
					.attr( 'aria-expanded', 'false' )
					.trigger( 'focus' );
			}
		}

		return false;
	},

	/**
	 * Gets the ID for a the post that you want to quick edit from the row in the quick
	 * edit table.
	 *
	 * @since 2.7.0
	 *
	 * @memberof inlineEditPost
	 *
	 * @param {Object} o DOM row object to get the ID for.
	 * @return {string} The post ID extracted from the table row in the object.
	 */
	getId : function(o) {
		var id = $(o).closest('tr').attr('id'),
			parts = id.split('-');
		return parts[parts.length - 1];
	}
};

$( function() { inlineEditPost.init(); } );

// Show/hide locks on posts.
$( function() {

	// Set the heartbeat interval to 10 seconds.
	if ( typeof wp !== 'undefined' && wp.heartbeat ) {
		wp.heartbeat.interval( 10 );
	}
}).on( 'heartbeat-tick.wp-check-locked-posts', function( e, data ) {
	var locked = data['wp-check-locked-posts'] || {},
		lockedClass = 'wp-locked';

	$('#the-list tr').each( function(i, el) {
		var key = el.id, row = $(el), lock_data, avatar;

		if ( locked.hasOwnProperty( key ) ) {
			if ( ! row.hasClass( lockedClass ) ) {
				lock_data = locked[key];
				row.find('.column-title .locked-text').text( lock_data.text );
				row.find('.check-column checkbox').prop('checked', false);

				if ( lock_data.avatar_src ) {
					avatar = $( '<img />', {
						'class': 'avatar avatar-18 photo',
						width: 18,
						height: 18,
						alt: '',
						src: lock_data.avatar_src,
						srcset: lock_data.avatar_src_2x ? lock_data.avatar_src_2x + ' 2x' : undefined
					} );
					row.find('.column-title .locked-avatar').empty().append( avatar );
				}
				row.addClass( lockedClass );
			}
		} else if ( row.hasClass( lockedClass ) ) {
			row.removeClass( lockedClass ).find( '.locked-info span' ).empty();
		}
	});
}).on( 'heartbeat-send.wp-check-locked-posts', function( e, data ) {
	var check = [];

	$('#the-list tr').each( function(i, el) {
		if ( el.id ) {
			check.push( el.id );
		}
	});

	if ( check.length ) {
		data['wp-check-locked-posts'] = check;
	}
});

})( jQuery, window.wp );
PK       ! !'�7��  ��    customize-nav-menus.min.jsnu �[���        /*! This file is auto-generated */
!function(u,l,m){"use strict";function c(e){return(e=(e=l.sanitize.stripTagsAndEncodeText(e=e||"")).toString().trim())||u.Menus.data.l10n.unnamed}wpNavMenu.originalInit=wpNavMenu.init,wpNavMenu.options.menuItemDepthPerLevel=20,wpNavMenu.options.sortableItems="> .customize-control-nav_menu_item",wpNavMenu.options.targetTolerance=10,wpNavMenu.init=function(){this.jQueryExtensions()},u.Menus=u.Menus||{},u.Menus.data={itemTypes:[],l10n:{},settingTransport:"refresh",phpIntMax:0,defaultSettingValues:{nav_menu:{},nav_menu_item:{}},locationSlugMappedToName:{}},"undefined"!=typeof _wpCustomizeNavMenusSettings&&m.extend(u.Menus.data,_wpCustomizeNavMenusSettings),u.Menus.generatePlaceholderAutoIncrementId=function(){return-Math.ceil(u.Menus.data.phpIntMax*Math.random())},u.Menus.AvailableItemModel=Backbone.Model.extend(m.extend({id:null},u.Menus.data.defaultSettingValues.nav_menu_item)),u.Menus.AvailableItemCollection=Backbone.Collection.extend({model:u.Menus.AvailableItemModel,sort_key:"order",comparator:function(e){return-e.get(this.sort_key)},sortByField:function(e){this.sort_key=e,this.sort()}}),u.Menus.availableMenuItems=new u.Menus.AvailableItemCollection(u.Menus.data.availableMenuItems),u.Menus.insertAutoDraftPost=function(n){var i=m.Deferred(),e=l.ajax.post("customize-nav-menus-insert-auto-draft",{"customize-menus-nonce":u.settings.nonce["customize-menus"],wp_customize:"on",customize_changeset_uuid:u.settings.changeset.uuid,params:n});return e.done(function(t){t.post_id&&(u("nav_menus_created_posts").set(u("nav_menus_created_posts").get().concat([t.post_id])),"page"===n.post_type&&(u.section.has("static_front_page")&&u.section("static_front_page").activate(),u.control.each(function(e){"dropdown-pages"===e.params.type&&e.container.find('select[name^="_customize-dropdown-pages-"]').append(new Option(n.post_title,t.post_id))})),i.resolve(t))}),e.fail(function(e){var t=e||"";void 0!==e.message&&(t=e.message),console.error(t),i.rejectWith(t)}),i.promise()},u.Menus.AvailableMenuItemsPanelView=l.Backbone.View.extend({el:"#available-menu-items",events:{"input #menu-items-search":"debounceSearch","focus .menu-item-tpl":"focus","click .menu-item-tpl":"_submit","click #custom-menu-item-submit":"_submitLink","keypress #custom-menu-item-name":"_submitLink","click .new-content-item .add-content":"_submitNew","keypress .create-item-input":"_submitNew",keydown:"keyboardAccessible"},selected:null,currentMenuControl:null,debounceSearch:null,$search:null,$clearResults:null,searchTerm:"",rendered:!1,pages:{},sectionContent:"",loading:!1,addingNew:!1,initialize:function(){var n=this;u.panel.has("nav_menus")&&(this.$search=m("#menu-items-search"),this.$clearResults=this.$el.find(".clear-results"),this.sectionContent=this.$el.find(".available-menu-items-list"),this.debounceSearch=_.debounce(n.search,500),_.bindAll(this,"close"),m("#customize-controls, .customize-section-back").on("click keydown",function(e){var t=m(e.target).is(".item-delete, .item-delete *"),e=m(e.target).is(".add-new-menu-item, .add-new-menu-item *");!m("body").hasClass("adding-menu-items")||t||e||n.close()}),this.$clearResults.on("click",function(){n.$search.val("").trigger("focus").trigger("input")}),this.$el.on("input","#custom-menu-item-name.invalid, #custom-menu-item-url.invalid",function(){m(this).removeClass("invalid");var e=m(this).attr("aria-describedby");m("#"+e).hide(),m(this).removeAttr("aria-invalid").removeAttr("aria-describedby")}),u.panel("nav_menus").container.on("expanded",function(){n.rendered||(n.initList(),n.rendered=!0)}),this.sectionContent.on("scroll",function(){var e=n.$el.find(".accordion-section.open .available-menu-items-list").prop("scrollHeight"),t=n.$el.find(".accordion-section.open").height();!n.loading&&m(this).scrollTop()>.75*e-t&&(e=m(this).data("type"),t=m(this).data("object"),"search"===e?n.searchTerm&&n.doSearch(n.pages.search):n.loadItems([{type:e,object:t}]))}),u.previewer.bind("url",this.close),n.delegateEvents())},search:function(e){var t=m("#available-menu-items-search"),n=m("#available-menu-items .accordion-section").not(t);e&&this.searchTerm!==e.target.value&&(""===e.target.value||t.hasClass("open")?""===e.target.value&&(t.removeClass("open"),n.show(),this.$clearResults.removeClass("is-visible")):(n.fadeOut(100),t.find(".accordion-section-content").slideDown("fast"),t.addClass("open"),this.$clearResults.addClass("is-visible")),this.searchTerm=e.target.value,this.pages.search=1,this.doSearch(1))},doSearch:function(t){var e,n=this,i=m("#available-menu-items-search"),a=i.find(".accordion-section-content"),o=l.template("available-menu-item");if(n.currentRequest&&n.currentRequest.abort(),!(t<0)){if(1<t)i.addClass("loading-more"),a.attr("aria-busy","true"),l.a11y.speak(u.Menus.data.l10n.itemsLoadingMore);else if(""===n.searchTerm)return a.html(""),void l.a11y.speak("");i.addClass("loading"),n.loading=!0,e=u.previewer.query({excludeCustomizedSaved:!0}),_.extend(e,{"customize-menus-nonce":u.settings.nonce["customize-menus"],wp_customize:"on",search:n.searchTerm,page:t}),n.currentRequest=l.ajax.post("search-available-menu-items-customizer",e),n.currentRequest.done(function(e){1===t&&a.empty(),i.removeClass("loading loading-more"),a.attr("aria-busy","false"),i.addClass("open"),n.loading=!1,e=new u.Menus.AvailableItemCollection(e.items),n.collection.add(e.models),e.each(function(e){a.append(o(e.attributes))}),e.length<20?n.pages.search=-1:n.pages.search=n.pages.search+1,e&&1<t?l.a11y.speak(u.Menus.data.l10n.itemsFoundMore.replace("%d",e.length)):e&&1===t&&l.a11y.speak(u.Menus.data.l10n.itemsFound.replace("%d",e.length))}),n.currentRequest.fail(function(e){e.message&&(a.empty().append(m('<li class="nothing-found"></li>').text(e.message)),l.a11y.speak(e.message)),n.pages.search=-1}),n.currentRequest.always(function(){i.removeClass("loading loading-more"),a.attr("aria-busy","false"),n.loading=!1,n.currentRequest=null})}},initList:function(){var t=this;_.each(u.Menus.data.itemTypes,function(e){t.pages[e.type+":"+e.object]=0}),t.loadItems(u.Menus.data.itemTypes)},loadItems:function(e,t){var i=this,a=[],o={},s=l.template("available-menu-item"),t=_.isString(e)&&_.isString(t)?[{type:e,object:t}]:e;_.each(t,function(e){var t,n=e.type+":"+e.object;-1!==i.pages[n]&&((t=m("#available-menu-items-"+e.type+"-"+e.object)).find(".accordion-section-title").addClass("loading"),o[n]=t,a.push({object:e.object,type:e.type,page:i.pages[n]}))}),0!==a.length&&(i.loading=!0,e=u.previewer.query({excludeCustomizedSaved:!0}),_.extend(e,{"customize-menus-nonce":u.settings.nonce["customize-menus"],wp_customize:"on",item_types:a}),(t=l.ajax.post("load-available-menu-items-customizer",e)).done(function(e){var n;_.each(e.items,function(e,t){0===e.length?(0===i.pages[t]&&o[t].find(".accordion-section-title").addClass("cannot-expand").removeClass("loading").find(".accordion-section-title > button").prop("tabIndex",-1),i.pages[t]=-1):("post_type:page"!==t||o[t].hasClass("open")||o[t].find(".accordion-section-title > button").trigger("click"),e=new u.Menus.AvailableItemCollection(e),i.collection.add(e.models),n=o[t].find(".available-menu-items-list"),e.each(function(e){n.append(s(e.attributes))}),i.pages[t]+=1)})}),t.fail(function(e){"undefined"!=typeof console&&console.error&&console.error(e)}),t.always(function(){_.each(o,function(e){e.find(".accordion-section-title").removeClass("loading")}),i.loading=!1}))},itemSectionHeight:function(){var e=window.innerHeight,t=this.$el.find(".accordion-section:not( #available-menu-items-search ) .accordion-section-content"),n=this.$el.find('.accordion-section:not( #available-menu-items-search ) .available-menu-items-list:not(":only-child")'),e=e-(46*(1+t.length)+14);120<e&&e<290&&(t.css("max-height",e),n.css("max-height",e-60))},select:function(e){this.selected=m(e),this.selected.siblings(".menu-item-tpl").removeClass("selected"),this.selected.addClass("selected")},focus:function(e){this.select(m(e.currentTarget))},_submit:function(e){"keypress"===e.type&&13!==e.which&&32!==e.which||this.submit(m(e.currentTarget))},submit:function(e){var t;(e=e||this.selected)&&this.currentMenuControl&&(this.select(e),t=m(this.selected).data("menu-item-id"),t=this.collection.findWhere({id:t}))&&((t=Object.assign({},t.attributes)).title===t.original_title&&(t.title=""),this.currentMenuControl.addItemToMenu(t),m(e).find(".menu-item-handle").addClass("item-added"))},_submitLink:function(e){"keypress"===e.type&&13!==e.which||this.submitLink()},submitLink:function(){var e,t,n,i=m("#custom-menu-item-name"),a=m("#custom-menu-item-url"),o=m("#custom-url-error"),s=m("#custom-name-error"),r=a.val().trim();this.currentMenuControl&&((t=/^((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#)/).test(r)&&""!==i.val()?(o.hide(),s.hide(),i.removeClass("invalid").removeAttr("aria-invalid","true").removeAttr("aria-describedby","custom-name-error"),a.removeClass("invalid").removeAttr("aria-invalid","true").removeAttr("aria-describedby","custom-name-error"),e={title:i.val(),url:r,type:"custom",type_label:u.Menus.data.l10n.custom_label,object:"custom"},this.currentMenuControl.addItemToMenu(e),a.val("").attr("placeholder","https://"),i.val("")):(t.test(r)||(a.addClass("invalid").attr("aria-invalid","true").attr("aria-describedby","custom-url-error"),o.show(),n=o.text(),l.a11y.speak(n,"assertive")),""===i.val()&&(i.addClass("invalid").attr("aria-invalid","true").attr("aria-describedby","custom-name-error"),s.show(),n=""===n?s.text():n+s.text(),l.a11y.speak(n,"assertive"))))},_submitNew:function(e){"keypress"===e.type&&13!==e.which||this.addingNew||(e=m(e.target).closest(".accordion-section"),this.submitNew(e))},submitNew:function(n){var i=this,a=n.find(".create-item-input"),e=a.val(),t=n.find(".available-menu-items-list"),o=t.data("type"),s=t.data("object"),r=t.data("type_label"),t=n.find(".create-item-error");this.currentMenuControl&&"post_type"===o&&(""===a.val().trim()?(n.addClass("form-invalid"),a.attr("aria-invalid","true"),a.attr("aria-describedby",t.attr("id")),t.slideDown("fast"),l.a11y.speak(t.text())):(n.removeClass("form-invalid"),a.attr("aria-invalid","false"),a.removeAttr("aria-describedby"),t.hide(),n.find(".accordion-section-title").addClass("loading"),i.addingNew=!0,a.attr("disabled","disabled"),u.Menus.insertAutoDraftPost({post_title:e,post_type:s}).done(function(e){var t,e=new u.Menus.AvailableItemModel({id:"post-"+e.post_id,title:a.val(),type:o,type_label:r,object:s,object_id:e.post_id,url:e.url});i.currentMenuControl.addItemToMenu(e.attributes),u.Menus.availableMenuItemsPanel.collection.add(e),t=n.find(".available-menu-items-list"),(e=m(l.template("available-menu-item")(e.attributes))).find(".menu-item-handle:first").addClass("item-added"),t.prepend(e),t.scrollTop(),a.val("").removeAttr("disabled"),i.addingNew=!1,n.find(".accordion-section-title").removeClass("loading")})))},open:function(e){var t,n=this;this.currentMenuControl=e,this.itemSectionHeight(),u.section.has("publish_settings")&&u.section("publish_settings").collapse(),m("body").addClass("adding-menu-items"),t=function(){n.close(),m(this).off("click",t)},m("#customize-preview").on("click",t),_(this.currentMenuControl.getMenuItemControls()).each(function(e){e.collapseForm()}),this.$el.find(".selected").removeClass("selected"),this.$search.trigger("focus")},close:function(e){(e=e||{}).returnFocus&&this.currentMenuControl&&this.currentMenuControl.container.find(".add-new-menu-item").focus(),this.currentMenuControl=null,this.selected=null,m("body").removeClass("adding-menu-items"),m("#available-menu-items .menu-item-handle.item-added").removeClass("item-added"),this.$search.val("").trigger("input")},keyboardAccessible:function(e){var t=13===e.which,n=27===e.which,i=9===e.which&&e.shiftKey,a=m(e.target).is(this.$search);t&&!this.$search.val()||(a&&i?(this.currentMenuControl.container.find(".add-new-menu-item").focus(),e.preventDefault()):n&&this.close({returnFocus:!0}))}}),u.Menus.MenusPanel=u.Panel.extend({attachEvents:function(){u.Panel.prototype.attachEvents.call(this);var t=this.container.find(".panel-meta"),n=t.find(".customize-help-toggle"),i=t.find(".customize-panel-description"),a=m("#screen-options-wrap"),o=t.find(".customize-screen-options-toggle");o.on("click keydown",function(e){if(!u.utils.isKeydownButNotEnterEvent(e))return e.preventDefault(),i.not(":hidden")&&(i.slideUp("fast"),n.attr("aria-expanded","false")),"true"===o.attr("aria-expanded")?(o.attr("aria-expanded","false"),t.removeClass("open"),t.removeClass("active-menu-screen-options"),a.slideUp("fast")):(o.attr("aria-expanded","true"),t.addClass("open"),t.addClass("active-menu-screen-options"),a.slideDown("fast")),!1}),n.on("click keydown",function(e){u.utils.isKeydownButNotEnterEvent(e)||(e.preventDefault(),"true"===o.attr("aria-expanded")&&(o.attr("aria-expanded","false"),n.attr("aria-expanded","true"),t.addClass("open"),t.removeClass("active-menu-screen-options"),a.slideUp("fast"),i.slideDown("fast")))})},ready:function(){var e=this;e.container.find(".hide-column-tog").on("click",function(){e.saveManageColumnsState()}),u.section("menu_locations",function(e){e.headContainer.prepend(l.template("nav-menu-locations-header")(u.Menus.data))})},saveManageColumnsState:_.debounce(function(){var e=this;e._updateHiddenColumnsRequest&&e._updateHiddenColumnsRequest.abort(),e._updateHiddenColumnsRequest=l.ajax.post("hidden-columns",{hidden:e.hidden(),screenoptionnonce:m("#screenoptionnonce").val(),page:"nav-menus"}),e._updateHiddenColumnsRequest.always(function(){e._updateHiddenColumnsRequest=null})},2e3),checked:function(){},unchecked:function(){},hidden:function(){return m(".hide-column-tog").not(":checked").map(function(){var e=this.id;return e.substring(0,e.length-5)}).get().join(",")}}),u.Menus.MenuSection=u.Section.extend({initialize:function(e,t){u.Section.prototype.initialize.call(this,e,t),this.deferred.initSortables=m.Deferred()},ready:function(){var e,t,n=this;if(void 0===n.params.menu_id)throw new Error("params.menu_id was not defined");n.active.validate=function(){return!!u.has(n.id)&&!!u(n.id).get()},n.populateControls(),n.navMenuLocationSettings={},n.assignedLocations=new u.Value([]),u.each(function(e,t){t=t.match(/^nav_menu_locations\[(.+?)]/);t&&(n.navMenuLocationSettings[t[1]]=e).bind(function(){n.refreshAssignedLocations()})}),n.assignedLocations.bind(function(e){n.updateAssignedLocationsInSectionTitle(e)}),n.refreshAssignedLocations(),u.bind("pane-contents-reflowed",function(){n.contentContainer.parent().length&&(n.container.find(".menu-item .menu-item-reorder-nav button").attr({tabindex:"0","aria-hidden":"false"}),n.container.find(".menu-item.move-up-disabled .menus-move-up").attr({tabindex:"-1","aria-hidden":"true"}),n.container.find(".menu-item.move-down-disabled .menus-move-down").attr({tabindex:"-1","aria-hidden":"true"}),n.container.find(".menu-item.move-left-disabled .menus-move-left").attr({tabindex:"-1","aria-hidden":"true"}),n.container.find(".menu-item.move-right-disabled .menus-move-right").attr({tabindex:"-1","aria-hidden":"true"}))}),t=function(){var e="field-"+m(this).val()+"-active";n.contentContainer.toggleClass(e,m(this).prop("checked"))},(e=u.panel("nav_menus").contentContainer.find(".metabox-prefs:first").find(".hide-column-tog")).each(t),e.on("click",t)},populateControls:function(){var e,t=this,n=t.id+"[name]",i=u.control(n);i||(i=new u.controlConstructor.nav_menu_name(n,{type:"nav_menu_name",label:u.Menus.data.l10n.menuNameLabel,section:t.id,priority:0,settings:{default:t.id}}),u.control.add(i),i.active.set(!0)),(n=u.control(t.id))||(n=new u.controlConstructor.nav_menu(t.id,{type:"nav_menu",section:t.id,priority:998,settings:{default:t.id},menu_id:t.params.menu_id}),u.control.add(n),n.active.set(!0)),i=t.id+"[locations]",u.control(i)||(i=new u.controlConstructor.nav_menu_locations(i,{section:t.id,priority:999,settings:{default:t.id},menu_id:t.params.menu_id}),u.control.add(i.id,i),n.active.set(!0)),i=t.id+"[auto_add]",(n=u.control(i))||(n=new u.controlConstructor.nav_menu_auto_add(i,{type:"nav_menu_auto_add",label:"",section:t.id,priority:1e3,settings:{default:t.id}}),u.control.add(n),n.active.set(!0)),i=t.id+"[delete]",(e=u.control(i))||(e=new u.Control(i,{section:t.id,priority:1001,templateId:"nav-menu-delete-button"}),u.control.add(e.id,e),e.active.set(!0),e.deferred.embedded.done(function(){e.container.find("button").on("click",function(){var e=t.params.menu_id;u.Menus.getMenuControl(e).setting.set(!1)})}))},refreshAssignedLocations:function(){var n=this.params.menu_id,i=[];_.each(this.navMenuLocationSettings,function(e,t){e()===n&&i.push(t)}),this.assignedLocations.set(i)},updateAssignedLocationsInSectionTitle:function(e){var n=this.container.find(".accordion-section-title button:first");n.find(".menu-in-location").remove(),_.each(e,function(e){var t=m('<span class="menu-in-location"></span>'),e=u.Menus.data.locationSlugMappedToName[e];t.text(u.Menus.data.l10n.menuLocation.replace("%s",e)),n.append(t)}),this.container.toggleClass("assigned-to-menu-location",0!==e.length)},onChangeExpanded:function(e,t){var n,i=this;e&&(wpNavMenu.menuList=i.contentContainer,wpNavMenu.targetList=wpNavMenu.menuList,m("#menu-to-edit").removeAttr("id"),wpNavMenu.menuList.attr("id","menu-to-edit").addClass("menu"),u.Menus.MenuItemControl.prototype.initAccessibility(),_.each(u.section(i.id).controls(),function(e){"nav_menu_item"===e.params.type&&e.actuallyEmbed()}),t.completeCallback&&(n=t.completeCallback),t.completeCallback=function(){"resolved"!==i.deferred.initSortables.state()&&(wpNavMenu.initSortables(),i.deferred.initSortables.resolve(wpNavMenu.menuList),u.control("nav_menu["+String(i.params.menu_id)+"]").reflowMenuItems()),_.isFunction(n)&&n()}),u.Section.prototype.onChangeExpanded.call(i,e,t)},highlightNewItemButton:function(){u.utils.highlightButton(this.contentContainer.find(".add-new-menu-item"),{delay:2e3})}}),u.Menus.createNavMenu=function(e){var t=u.Menus.generatePlaceholderAutoIncrementId(),n="nav_menu["+String(t)+"]";return u.create(n,n,{},{type:"nav_menu",transport:u.Menus.data.settingTransport,previewer:u.previewer}).set(m.extend({},u.Menus.data.defaultSettingValues.nav_menu,{name:e||""})),u.section.add(new u.Menus.MenuSection(n,{panel:"nav_menus",title:c(e),customizeAction:u.Menus.data.l10n.customizingMenus,priority:10,menu_id:t}))},u.Menus.NewMenuSection=u.Section.extend({attachEvents:function(){var t=this,e=t.container,n=t.contentContainer,i=/^nav_menu\[/;function a(){var t;e.find(".add-new-menu-notice").prop("hidden",(t=0,u.each(function(e){i.test(e.id)&&!1!==e.get()&&(t+=1)}),0<t))}function o(e){i.test(e.id)&&(e.bind(a),a())}t.headContainer.find(".accordion-section-title").replaceWith(l.template("nav-menu-create-menu-section-title")),e.on("click",".customize-add-menu-button",function(){t.expand()}),n.on("keydown",".menu-name-field",function(e){13===e.which&&t.submit()}),n.on("click","#customize-new-menu-submit",function(e){t.submit(),e.stopPropagation(),e.preventDefault()}),u.each(o),u.bind("add",o),u.bind("removed",function(e){i.test(e.id)&&(e.unbind(a),a())}),a(),u.Section.prototype.attachEvents.apply(t,arguments)},ready:function(){this.populateControls()},populateControls:function(){var e=this,t=e.id+"[name]",n=u.control(t);n||(n=new u.controlConstructor.nav_menu_name(t,{label:u.Menus.data.l10n.menuNameLabel,description:u.Menus.data.l10n.newMenuNameDescription,section:e.id,priority:0}),u.control.add(n.id,n),n.active.set(!0)),t=e.id+"[locations]",(n=u.control(t))||(n=new u.controlConstructor.nav_menu_locations(t,{section:e.id,priority:1,menu_id:"",isCreating:!0}),u.control.add(t,n),n.active.set(!0)),t=e.id+"[submit]",(n=u.control(t))||(n=new u.Control(t,{section:e.id,priority:1,templateId:"nav-menu-submit-new-button"}),u.control.add(t,n),n.active.set(!0))},submit:function(){var t,e=this.contentContainer,n=e.find(".menu-name-field").first(),i=n.val();i?(t=u.Menus.createNavMenu(i),n.val(""),n.removeClass("invalid"),e.find(".assigned-menu-location input[type=checkbox]").each(function(){var e=m(this);e.prop("checked")&&(u("nav_menu_locations["+e.data("location-id")+"]").set(t.params.menu_id),e.prop("checked",!1))}),l.a11y.speak(u.Menus.data.l10n.menuAdded),t.focus({completeCallback:function(){t.highlightNewItemButton()}})):(n.addClass("invalid"),n.focus())},selectDefaultLocation:function(e){var t=u.control(this.id+"[locations]"),n={};null!==e&&(n[e]=!0),t.setSelections(n)}}),u.Menus.MenuLocationControl=u.Control.extend({initialize:function(e,t){var n=e.match(/^nav_menu_locations\[(.+?)]/);this.themeLocation=n[1],u.Control.prototype.initialize.call(this,e,t)},ready:function(){var n=this,i=/^nav_menu\[(-?\d+)]/;n.setting.validate=function(e){return""===e?0:parseInt(e,10)},n.container.find(".create-menu").on("click",function(){var e=u.section("add_menu");e.selectDefaultLocation(this.dataset.locationId),e.focus()}),n.container.find(".edit-menu").on("click",function(){var e=n.setting();u.section("nav_menu["+e+"]").focus()}),n.setting.bind("change",function(){var e=0!==n.setting();n.container.find(".create-menu").toggleClass("hidden",e),n.container.find(".edit-menu").toggleClass("hidden",!e)}),u.bind("add",function(e){var t=e.id.match(i);t&&!1!==e()&&(t=t[1],e=new Option(c(e().name),t),n.container.find("select").append(e))}),u.bind("remove",function(e){var e=e.id.match(i);e&&(e=parseInt(e[1],10),n.setting()===e&&n.setting.set(""),n.container.find("option[value="+e+"]").remove())}),u.bind("change",function(e){var t=e.id.match(i);t&&(t=parseInt(t[1],10),!1===e()?(n.setting()===t&&n.setting.set(""),n.container.find("option[value="+t+"]").remove()):n.container.find("option[value="+t+"]").text(c(e().name)))})}}),u.Menus.MenuItemControl=u.Control.extend({initialize:function(e,t){var n=this;n.expanded=new u.Value(!1),n.expandedArgumentsQueue=[],n.expanded.bind(function(e){var t=n.expandedArgumentsQueue.shift(),t=m.extend({},n.defaultExpandedArguments,t);n.onChangeExpanded(e,t)}),u.Control.prototype.initialize.call(n,e,t),n.active.validate=function(){var e=u.section(n.section()),e=!!e&&e.active();return e}},initAccessibility:function(){var e=this,t=m("#menu-to-edit");t.on("mouseenter.refreshAccessibility focus.refreshAccessibility touchstart.refreshAccessibility",".menu-item",function(){e.refreshAdvancedAccessibilityOfItem(m(this).find("button.item-edit"))}),t.on("click","button.item-edit",function(){e.refreshAdvancedAccessibilityOfItem(m(this))})},refreshAdvancedAccessibilityOfItem:function(e){var t,n,i,a,o,s,r,d;!0===m(e).data("needs_accessibility_refresh")&&(o=0===(a=(i=(e=m(e)).closest("li.menu-item").first()).menuItemDepth()),s=e.closest(".menu-item-handle").find(".menu-item-title").text(),r=e.closest(".menu-item-handle").find(".item-type").text(),d=m("#menu-to-edit li").length,d=o?(t=(o=m(".menu-item-depth-0")).index(i)+1,d=o.length,menus.menuFocus.replace("%1$s",s).replace("%2$s",r).replace("%3$d",t).replace("%4$d",d)):(d=(o=i.prevAll(".menu-item-depth-"+parseInt(a-1,10)).first()).find(".menu-item-data-db-id").val(),o=o.find(".menu-item-title").text(),n=(d=m('.menu-item .menu-item-data-parent-id[value="'+d+'"]')).length,t=m(d.parents(".menu-item").get().reverse()).index(i)+1,a<2?menus.subMenuFocus.replace("%1$s",s).replace("%2$s",r).replace("%3$d",t).replace("%4$d",n).replace("%5$s",o):menus.subMenuMoreDepthFocus.replace("%1$s",s).replace("%2$s",r).replace("%3$d",t).replace("%4$d",n).replace("%5$s",o).replace("%6$d",a)),e.find(".screen-reader-text").text(d),e.data("needs_accessibility_refresh",!1))},embed:function(){var e=this.section();e&&((e=u.section(e))&&e.expanded()||u.settings.autofocus.control===this.id)&&this.actuallyEmbed()},actuallyEmbed:function(){"resolved"!==this.deferred.embedded.state()&&(this.renderContent(),this.deferred.embedded.resolve(),m("button.item-edit").data("needs_accessibility_refresh",!0))},ready:function(){if(void 0===this.params.menu_item_id)throw new Error("params.menu_item_id was not defined");this._setupControlToggle(),this._setupReorderUI(),this._setupUpdateUI(),this._setupRemoveUI(),this._setupLinksUI(),this._setupTitleUI()},_setupControlToggle:function(){var i=this;this.container.find(".menu-item-handle").on("click",function(e){e.preventDefault(),e.stopPropagation();var t=i.getMenuControl(),n=m(e.target).is(".item-delete, .item-delete *"),e=m(e.target).is(".add-new-menu-item, .add-new-menu-item *");!m("body").hasClass("adding-menu-items")||n||e||u.Menus.availableMenuItemsPanel.close(),t.isReordering||t.isSorting||i.toggleForm()})},_setupReorderUI:function(){var o=this,e=l.template("menu-item-reorder-nav");o.container.find(".item-controls").after(e),o.container.find(".menu-item-reorder-nav").find(".menus-move-up, .menus-move-down, .menus-move-left, .menus-move-right").on("click",function(){var e=m(this),t=(o.params.depth=o.getDepth(),e.focus(),e.is(".menus-move-up")),n=e.is(".menus-move-down"),i=e.is(".menus-move-left"),a=e.is(".menus-move-right");t?o.moveUp():n?o.moveDown():i?o.moveLeft():a&&(o.moveRight(),o.params.depth+=1),e.focus(),m("button.item-edit").data("needs_accessibility_refresh",!0)})},_setupUpdateUI:function(){var e,s=this,t=s.setting();s.elements={},s.elements.url=new u.Element(s.container.find(".edit-menu-item-url")),s.elements.title=new u.Element(s.container.find(".edit-menu-item-title")),s.elements.attr_title=new u.Element(s.container.find(".edit-menu-item-attr-title")),s.elements.target=new u.Element(s.container.find(".edit-menu-item-target")),s.elements.classes=new u.Element(s.container.find(".edit-menu-item-classes")),s.elements.xfn=new u.Element(s.container.find(".edit-menu-item-xfn")),s.elements.description=new u.Element(s.container.find(".edit-menu-item-description")),_.each(s.elements,function(n,i){n.bind(function(e){n.element.is("input[type=checkbox]")&&(e=e?n.element.val():"");var t=s.setting();t&&t[i]!==e&&((t=_.clone(t))[i]=e,s.setting.set(t))}),t&&("classes"!==i&&"xfn"!==i||!_.isArray(t[i])?n.set(t[i]):n.set(t[i].join(" ")))}),s.setting.bind(function(n,i){var e,t=s.params.menu_item_id,a=[],o=[];!1===n?(e=u.control("nav_menu["+String(i.nav_menu_term_id)+"]"),s.container.remove(),_.each(e.getMenuItemControls(),function(e){i.menu_item_parent===e.setting().menu_item_parent&&e.setting().position>i.position?a.push(e):e.setting().menu_item_parent===t&&o.push(e)}),_.each(a,function(e){var t=_.clone(e.setting());t.position+=o.length,e.setting.set(t)}),_.each(o,function(e,t){var n=_.clone(e.setting());n.position=i.position+t,n.menu_item_parent=i.menu_item_parent,e.setting.set(n)}),e.debouncedReflowMenuItems()):(_.each(n,function(e,t){s.elements[t]&&s.elements[t].set(n[t])}),s.container.find(".menu-item-data-parent-id").val(n.menu_item_parent),n.position===i.position&&n.menu_item_parent===i.menu_item_parent||s.getMenuControl().debouncedReflowMenuItems())}),s.setting.notifications.bind("add",e=function(){s.elements.url.element.toggleClass("invalid",s.setting.notifications.has("invalid_url"))}),s.setting.notifications.bind("removed",e)},_setupRemoveUI:function(){var r=this;r.container.find(".item-delete").on("click",function(){var e,t,n,i=!0,a=0,o=r.params.original_item_id,s=r.getMenuControl().$sectionContent.find(".menu-item");m("body").hasClass("adding-menu-items")||(i=!1),n=r.container.nextAll(".customize-control-nav_menu_item:visible").first(),t=r.container.prevAll(".customize-control-nav_menu_item:visible").first(),e=(n.length?n.find(!1===i?".item-edit":".item-delete"):t.length?t.find(!1===i?".item-edit":".item-delete"):r.container.nextAll(".customize-control-nav_menu").find(".add-new-menu-item")).first(),_.each(s,function(e){m(e).is(":visible")&&(e=e.getAttribute("id").match(/^customize-control-nav_menu_item-(-?\d+)$/,""))&&(e=parseInt(e[1],10),e=u.control("nav_menu_item["+String(e)+"]"))&&o==e.params.original_item_id&&a++}),a<=1&&((n=m("#menu-item-tpl-"+r.params.original_item_id)).removeClass("selected"),n.find(".menu-item-handle").removeClass("item-added")),r.container.slideUp(function(){r.setting.set(!1),l.a11y.speak(u.Menus.data.l10n.itemDeleted),e.focus()}),r.setting.set(!1)})},_setupLinksUI:function(){this.container.find("a.original-link").on("click",function(e){e.preventDefault(),u.previewer.previewUrl(e.target.toString())})},_setupTitleUI:function(){var i;this.container.find(".edit-menu-item-title").on("blur",function(){m(this).val(m(this).val().trim())}),i=this.container.find(".menu-item-title"),this.setting.bind(function(e){var t,n;e&&(e.title=e.title||"",n=(t=e.title.trim())||e.original_title||u.Menus.data.l10n.untitled,e._invalid&&(n=u.Menus.data.l10n.invalidTitleTpl.replace("%s",n)),t||e.original_title?i.text(n).removeClass("no-title"):i.text(n).addClass("no-title"))})},getDepth:function(){var e=this,t=e.setting(),n=0;if(!t)return 0;for(;t&&t.menu_item_parent&&(n+=1,e=u.control("nav_menu_item["+t.menu_item_parent+"]"));)t=e.setting();return n},renderContent:function(){var e,t=this,n=t.setting();t.params.title=n.title||"",t.params.depth=t.getDepth(),t.container.data("item-depth",t.params.depth),e=["menu-item","menu-item-depth-"+String(t.params.depth),"menu-item-"+n.object,"menu-item-edit-inactive"],n._invalid?(e.push("menu-item-invalid"),t.params.title=u.Menus.data.l10n.invalidTitleTpl.replace("%s",t.params.title)):"draft"===n.status&&(e.push("pending"),t.params.title=u.Menus.data.pendingTitleTpl.replace("%s",t.params.title)),t.params.el_classes=e.join(" "),t.params.item_type_label=n.type_label,t.params.item_type=n.type,t.params.url=n.url,t.params.target=n.target,t.params.attr_title=n.attr_title,t.params.classes=_.isArray(n.classes)?n.classes.join(" "):n.classes,t.params.xfn=n.xfn,t.params.description=n.description,t.params.parent=n.menu_item_parent,t.params.original_title=n.original_title||"",t.container.addClass(t.params.el_classes),u.Control.prototype.renderContent.call(t)},getMenuControl:function(){var e=this.setting();return e&&e.nav_menu_term_id?u.control("nav_menu["+e.nav_menu_term_id+"]"):null},expandControlSection:function(){var e=this.container.closest(".accordion-section");e.hasClass("open")||e.find(".accordion-section-title:first").trigger("click")},_toggleExpanded:u.Section.prototype._toggleExpanded,expand:u.Section.prototype.expand,expandForm:function(e){this.expand(e)},collapse:u.Section.prototype.collapse,collapseForm:function(e){this.collapse(e)},toggleForm:function(e,t){(e=void 0===e?!this.expanded():e)?this.expand(t):this.collapse(t)},onChangeExpanded:function(e,t){var n,i=this,a=this.container,o=a.find(".menu-item-settings:first");void 0===e&&(e=!o.is(":visible")),o.is(":visible")===e?t&&t.completeCallback&&t.completeCallback():e?(u.control.each(function(e){i.params.type===e.params.type&&i!==e&&e.collapseForm()}),n=function(){a.removeClass("menu-item-edit-inactive").addClass("menu-item-edit-active"),i.container.trigger("expanded"),t&&t.completeCallback&&t.completeCallback()},a.find(".item-edit").attr("aria-expanded","true"),o.slideDown("fast",n),i.container.trigger("expand")):(n=function(){a.addClass("menu-item-edit-inactive").removeClass("menu-item-edit-active"),i.container.trigger("collapsed"),t&&t.completeCallback&&t.completeCallback()},i.container.trigger("collapse"),a.find(".item-edit").attr("aria-expanded","false"),o.slideUp("fast",n))},focus:function(e){var t=this,n=(e=e||{}).completeCallback,i=function(){t.expandControlSection(),e.completeCallback=function(){t.container.find(".menu-item-settings").find("input, select, textarea, button, object, a[href], [tabindex]").filter(":visible").first().focus(),n&&n()},t.expandForm(e)};u.section.has(t.section())?u.section(t.section()).expand({completeCallback:i}):i()},moveUp:function(){this._changePosition(-1),l.a11y.speak(u.Menus.data.l10n.movedUp)},moveDown:function(){this._changePosition(1),l.a11y.speak(u.Menus.data.l10n.movedDown)},moveLeft:function(){this._changeDepth(-1),l.a11y.speak(u.Menus.data.l10n.movedLeft)},moveRight:function(){this._changeDepth(1),l.a11y.speak(u.Menus.data.l10n.movedRight)},_changePosition:function(e){var t,n=this,i=_.clone(n.setting()),a=[];if(1!==e&&-1!==e)throw new Error("Offset changes by 1 are only supported.");if(n.setting()){if(_(n.getMenuControl().getMenuItemControls()).each(function(e){e.setting().menu_item_parent===i.menu_item_parent&&a.push(e.setting)}),a.sort(function(e,t){return e().position-t().position}),-1===(t=_.indexOf(a,n.setting)))throw new Error("Expected setting to be among siblings.");0===t&&e<0||t===a.length-1&&0<e||((t=a[t+e])&&t.set(m.extend(_.clone(t()),{position:i.position})),i.position+=e,n.setting.set(i))}},_changeDepth:function(e){if(1!==e&&-1!==e)throw new Error("Offset changes by 1 are only supported.");var t,n,i=this,a=_.clone(i.setting()),o=[];if(_(i.getMenuControl().getMenuItemControls()).each(function(e){e.setting().menu_item_parent===a.menu_item_parent&&o.push(e)}),o.sort(function(e,t){return e.setting().position-t.setting().position}),-1===(t=_.indexOf(o,i)))throw new Error("Expected control to be among siblings.");-1===e?a.menu_item_parent&&(n=u.control("nav_menu_item["+a.menu_item_parent+"]"),_(o).chain().slice(t).each(function(e,t){e.setting.set(m.extend({},e.setting(),{menu_item_parent:i.params.menu_item_id,position:t}))}),_(i.getMenuControl().getMenuItemControls()).each(function(e){var t;e.setting().menu_item_parent===n.setting().menu_item_parent&&e.setting().position>n.setting().position&&(t=_.clone(e.setting()),e.setting.set(m.extend(t,{position:t.position+1})))}),a.position=n.setting().position+1,a.menu_item_parent=n.setting().menu_item_parent,i.setting.set(a)):1===e&&0!==t&&(a.menu_item_parent=o[t-1].params.menu_item_id,a.position=0,_(i.getMenuControl().getMenuItemControls()).each(function(e){e.setting().menu_item_parent===a.menu_item_parent&&(a.position=Math.max(a.position,e.setting().position))}),a.position+=1,i.setting.set(a))}}),u.Menus.MenuNameControl=u.Control.extend({ready:function(){var e,n=this;n.setting&&(e=n.setting(),n.nameElement=new u.Element(n.container.find(".menu-name-field")),n.nameElement.bind(function(e){var t=n.setting();t&&t.name!==e&&((t=_.clone(t)).name=e,n.setting.set(t))}),e&&n.nameElement.set(e.name),n.setting.bind(function(e){e&&n.nameElement.set(e.name)}))}}),u.Menus.MenuLocationsControl=u.Control.extend({ready:function(){var d=this;d.container.find(".assigned-menu-location").each(function(){function t(e){var t=u("nav_menu["+String(e)+"]");e&&t&&t()?n.find(".theme-location-set").show().find("span").text(c(t().name)):n.find(".theme-location-set").hide()}var n=m(this),e=n.find("input[type=checkbox]"),i=new u.Element(e),a=u("nav_menu_locations["+e.data("location-id")+"]"),o=""===d.params.menu_id,s=o?_.noop:function(e){i.set(e)},r=o?_.noop:function(e){a.set(e?d.params.menu_id:0)};s(a.get()===d.params.menu_id),e.on("change",function(){r(this.checked)}),a.bind(function(e){s(e===d.params.menu_id),t(e)}),t(a.get())})},setSelections:function(i){this.container.find(".menu-location").each(function(e,t){var n=t.dataset.locationId;t.checked=n in i&&i[n]})}}),u.Menus.MenuAutoAddControl=u.Control.extend({ready:function(){var n=this,e=n.setting();n.active.validate=function(){var e=u.section(n.section()),e=!!e&&e.active();return e},n.autoAddElement=new u.Element(n.container.find("input[type=checkbox].auto_add")),n.autoAddElement.bind(function(e){var t=n.setting();t&&t.name!==e&&((t=_.clone(t)).auto_add=e,n.setting.set(t))}),e&&n.autoAddElement.set(e.auto_add),n.setting.bind(function(e){e&&n.autoAddElement.set(e.auto_add)})}}),u.Menus.MenuControl=u.Control.extend({ready:function(){var t,n,i=this,a=u.section(i.section()),o=i.params.menu_id,e=i.setting();if(void 0===this.params.menu_id)throw new Error("params.menu_id was not defined");i.active.validate=function(){var e=!!a&&a.active();return e},i.$controlSection=a.headContainer,i.$sectionContent=i.container.closest(".accordion-section-content"),this._setupModel(),u.section(i.section(),function(e){e.deferred.initSortables.done(function(e){i._setupSortable(e)})}),this._setupAddition(),this._setupTitle(),e&&(t=c(e.name),u.control.each(function(e){e.extended(u.controlConstructor.widget_form)&&"nav_menu"===e.params.widget_id_base&&(e.container.find(".nav-menu-widget-form-controls:first").show(),e.container.find(".nav-menu-widget-no-menus-message:first").hide(),0===(n=e.container.find("select")).find("option[value="+String(o)+"]").length)&&n.append(new Option(t,o))}),(e=m("#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )")).find(".nav-menu-widget-form-controls:first").show(),e.find(".nav-menu-widget-no-menus-message:first").hide(),0===(n=e.find(".widget-inside select:first")).find("option[value="+String(o)+"]").length)&&n.append(new Option(t,o)),_.defer(function(){i.updateInvitationVisibility()})},_setupModel:function(){var n=this,i=n.params.menu_id;n.setting.bind(function(e){var t;!1===e?n._handleDeletion():(t=c(e.name),u.control.each(function(e){e.extended(u.controlConstructor.widget_form)&&"nav_menu"===e.params.widget_id_base&&e.container.find("select").find("option[value="+String(i)+"]").text(t)}))})},_setupSortable:function(e){var a=this;if(!e.is(a.$sectionContent))throw new Error("Unexpected menuList.");e.on("sortstart",function(){a.isSorting=!0}),e.on("sortstop",function(){setTimeout(function(){var e=a.$sectionContent.sortable("toArray"),t=[],n=0,i=10;a.isSorting=!1,a.$sectionContent.scrollLeft(0),_.each(e,function(e){var e=e.match(/^customize-control-nav_menu_item-(-?\d+)$/,"");e&&(e=parseInt(e[1],10),e=u.control("nav_menu_item["+String(e)+"]"))&&t.push(e)}),_.each(t,function(e){var t;!1!==e.setting()&&(t=_.clone(e.setting()),n+=1,i+=1,t.position=n,e.priority(i),t.menu_item_parent=parseInt(e.container.find(".menu-item-data-parent-id").val(),10),t.menu_item_parent||(t.menu_item_parent=0),e.setting.set(t))}),m("button.item-edit").data("needs_accessibility_refresh",!0)})}),a.isReordering=!1,this.container.find(".reorder-toggle").on("click",function(){a.toggleReordering(!a.isReordering)})},_setupAddition:function(){var t=this;this.container.find(".add-new-menu-item").on("click",function(e){t.$sectionContent.hasClass("reordering")||(m("body").hasClass("adding-menu-items")?(m(this).attr("aria-expanded","false"),u.Menus.availableMenuItemsPanel.close(),e.stopPropagation()):(m(this).attr("aria-expanded","true"),u.Menus.availableMenuItemsPanel.open(t)))})},_handleDeletion:function(){var e,n=this.params.menu_id,i=0,t=u.section(this.section()),a=function(){t.container.remove(),u.section.remove(t.id)};t&&t.expanded()?t.collapse({completeCallback:function(){a(),l.a11y.speak(u.Menus.data.l10n.menuDeleted),u.panel("nav_menus").focus()}}):a(),u.each(function(e){/^nav_menu\[/.test(e.id)&&!1!==e()&&(i+=1)}),u.control.each(function(e){var t;e.extended(u.controlConstructor.widget_form)&&"nav_menu"===e.params.widget_id_base&&((t=e.container.find("select")).val()===String(n)&&t.prop("selectedIndex",0).trigger("change"),e.container.find(".nav-menu-widget-form-controls:first").toggle(0!==i),e.container.find(".nav-menu-widget-no-menus-message:first").toggle(0===i),e.container.find("option[value="+String(n)+"]").remove())}),(e=m("#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )")).find(".nav-menu-widget-form-controls:first").toggle(0!==i),e.find(".nav-menu-widget-no-menus-message:first").toggle(0===i),e.find("option[value="+String(n)+"]").remove()},_setupTitle:function(){var d=this;d.setting.bind(function(e){var t,n,i,a,o,s,r;e&&(t=u.section(d.section()),n=d.params.menu_id,i=t.headContainer.find(".accordion-section-title"),a=t.contentContainer.find(".customize-section-title h3"),o=t.headContainer.find(".menu-in-location"),s=a.find(".customize-action"),r=c(e.name),i.text(r),o.length&&o.appendTo(i),a.text(r),s.length&&s.prependTo(a),u.control.each(function(e){/^nav_menu_locations\[/.test(e.id)&&e.container.find("option[value="+n+"]").text(r)}),t.contentContainer.find(".customize-control-checkbox input").each(function(){m(this).prop("checked")&&m(".current-menu-location-name-"+m(this).data("location-id")).text(r)}))})},toggleReordering:function(e){var t=this.container.find(".add-new-menu-item"),n=this.container.find(".reorder-toggle"),i=this.$sectionContent.find(".item-title");(e=Boolean(e))!==this.$sectionContent.hasClass("reordering")&&(this.isReordering=e,this.$sectionContent.toggleClass("reordering",e),this.$sectionContent.sortable(this.isReordering?"disable":"enable"),this.isReordering?(t.attr({tabindex:"-1","aria-hidden":"true"}),n.attr("aria-label",u.Menus.data.l10n.reorderLabelOff),l.a11y.speak(u.Menus.data.l10n.reorderModeOn),i.attr("aria-hidden","false")):(t.removeAttr("tabindex aria-hidden"),n.attr("aria-label",u.Menus.data.l10n.reorderLabelOn),l.a11y.speak(u.Menus.data.l10n.reorderModeOff),i.attr("aria-hidden","true")),e)&&_(this.getMenuItemControls()).each(function(e){e.collapseForm()})},getMenuItemControls:function(){var t=[],n=this.params.menu_id;return u.control.each(function(e){"nav_menu_item"===e.params.type&&e.setting()&&n===e.setting().nav_menu_term_id&&t.push(e)}),t},reflowMenuItems:function(){var e=this.getMenuItemControls(),a=function(n){var t=[],i=n.currentParent;_.each(n.menuItemControls,function(e){i===e.setting().menu_item_parent&&t.push(e)}),t.sort(function(e,t){return e.setting().position-t.setting().position}),_.each(t,function(t){n.currentAbsolutePosition+=1,t.priority.set(n.currentAbsolutePosition),t.container.hasClass("menu-item-depth-"+String(n.currentDepth))||(_.each(t.container.prop("className").match(/menu-item-depth-\d+/g),function(e){t.container.removeClass(e)}),t.container.addClass("menu-item-depth-"+String(n.currentDepth))),t.container.data("item-depth",n.currentDepth),n.currentDepth+=1,n.currentParent=t.params.menu_item_id,a(n),--n.currentDepth,n.currentParent=i}),t.length&&(_(t).each(function(e){e.container.removeClass("move-up-disabled move-down-disabled move-left-disabled move-right-disabled"),0===n.currentDepth?e.container.addClass("move-left-disabled"):10===n.currentDepth&&e.container.addClass("move-right-disabled")}),t[0].container.addClass("move-up-disabled").addClass("move-right-disabled").toggleClass("move-down-disabled",1===t.length),t[t.length-1].container.addClass("move-down-disabled").toggleClass("move-up-disabled",1===t.length))};a({menuItemControls:e,currentParent:0,currentDepth:0,currentAbsolutePosition:0}),this.updateInvitationVisibility(e),this.container.find(".reorder-toggle").toggle(1<e.length)},debouncedReflowMenuItems:_.debounce(function(){this.reflowMenuItems.apply(this,arguments)},0),addItemToMenu:function(e){var t,n,i,a=0,o=10,s=e.id||"";return _.each(this.getMenuItemControls(),function(e){!1!==e.setting()&&(o=Math.max(o,e.priority()),0===e.setting().menu_item_parent)&&(a=Math.max(a,e.setting().position))}),a+=1,o+=1,delete(e=m.extend({},u.Menus.data.defaultSettingValues.nav_menu_item,e,{nav_menu_term_id:this.params.menu_id,position:a})).id,i=u.Menus.generatePlaceholderAutoIncrementId(),t="nav_menu_item["+String(i)+"]",n={type:"nav_menu_item",transport:u.Menus.data.settingTransport,previewer:u.previewer},(n=u.create(t,t,{},n)).set(e),e=new u.controlConstructor.nav_menu_item(t,{type:"nav_menu_item",section:this.id,priority:o,settings:{default:t},menu_item_id:i,original_item_id:s}),u.control.add(e),n.preview(),this.debouncedReflowMenuItems(),l.a11y.speak(u.Menus.data.l10n.itemAdded),e},updateInvitationVisibility:function(e){e=e||this.getMenuItemControls();this.container.find(".new-menu-item-invitation").toggle(0===e.length)}}),m.extend(u.controlConstructor,{nav_menu_location:u.Menus.MenuLocationControl,nav_menu_item:u.Menus.MenuItemControl,nav_menu:u.Menus.MenuControl,nav_menu_name:u.Menus.MenuNameControl,nav_menu_locations:u.Menus.MenuLocationsControl,nav_menu_auto_add:u.Menus.MenuAutoAddControl}),m.extend(u.panelConstructor,{nav_menus:u.Menus.MenusPanel}),m.extend(u.sectionConstructor,{nav_menu:u.Menus.MenuSection,new_menu:u.Menus.NewMenuSection}),u.bind("ready",function(){u.Menus.availableMenuItemsPanel=new u.Menus.AvailableMenuItemsPanelView({collection:u.Menus.availableMenuItems}),u.bind("saved",function(e){(e.nav_menu_updates||e.nav_menu_item_updates)&&u.Menus.applySavedData(e)}),u.state("changesetStatus").bind(function(e){"publish"===e&&(u("nav_menus_created_posts")._value=[])}),u.previewer.bind("focus-nav-menu-item-control",u.Menus.focusMenuItemControl)}),u.Menus.applySavedData=function(e){var c={},r={};_(e.nav_menu_updates).each(function(n){var e,t,i,a,o,s,r,d;if("inserted"===n.status){if(!n.previous_term_id)throw new Error("Expected previous_term_id");if(!n.term_id)throw new Error("Expected term_id");if(e="nav_menu["+String(n.previous_term_id)+"]",!u.has(e))throw new Error("Expected setting to exist: "+e);if(i=u(e),!u.section.has(e))throw new Error("Expected control to exist: "+e);if(o=u.section(e),!(s=i.get()))throw new Error("Did not expect setting to be empty (deleted).");s=m.extend(_.clone(s),n.saved_value),c[n.previous_term_id]=n.term_id,a="nav_menu["+String(n.term_id)+"]",t=u.create(a,a,s,{type:"nav_menu",transport:u.Menus.data.settingTransport,previewer:u.previewer}),(d=o.expanded())&&o.collapse(),a=new u.Menus.MenuSection(a,{panel:"nav_menus",title:s.name,customizeAction:u.Menus.data.l10n.customizingMenus,type:"nav_menu",priority:o.priority.get(),menu_id:n.term_id}),u.section.add(a),u.control.each(function(e){var t;e.extended(u.controlConstructor.widget_form)&&"nav_menu"===e.params.widget_id_base&&(t=(e=e.container.find("select")).find("option[value="+String(n.previous_term_id)+"]"),e.find("option[value="+String(n.term_id)+"]").prop("selected",t.prop("selected")),t.remove())}),i.callbacks.disable(),i.set(!1),i.preview(),t.preview(),i._dirty=!1,o.container.remove(),u.section.remove(e),r=0,u.each(function(e){/^nav_menu\[/.test(e.id)&&!1!==e()&&(r+=1)}),(s=m("#available-widgets-list .widget-tpl:has( input.id_base[ value=nav_menu ] )")).find(".nav-menu-widget-form-controls:first").toggle(0!==r),s.find(".nav-menu-widget-no-menus-message:first").toggle(0===r),s.find("option[value="+String(n.previous_term_id)+"]").remove(),l.customize.control.each(function(e){/^nav_menu_locations\[/.test(e.id)&&e.container.find("option[value="+String(n.previous_term_id)+"]").remove()}),u.each(function(e){var t=u.state("saved").get();/^nav_menu_locations\[/.test(e.id)&&e.get()===n.previous_term_id&&(e.set(n.term_id),e._dirty=!1,u.state("saved").set(t),e.preview())}),d&&a.expand()}else if("updated"===n.status){if(t="nav_menu["+String(n.term_id)+"]",!u.has(t))throw new Error("Expected setting to exist: "+t);i=u(t),_.isEqual(n.saved_value,i.get())||(o=u.state("saved").get(),i.set(n.saved_value),i._dirty=!1,u.state("saved").set(o))}}),_(e.nav_menu_item_updates).each(function(e){e.previous_post_id&&(r[e.previous_post_id]=e.post_id)}),_(e.nav_menu_item_updates).each(function(e){var t,n,i,a,o,s;if("inserted"===e.status){if(!e.previous_post_id)throw new Error("Expected previous_post_id");if(!e.post_id)throw new Error("Expected post_id");if(t="nav_menu_item["+String(e.previous_post_id)+"]",!u.has(t))throw new Error("Expected setting to exist: "+t);if(i=u(t),!u.control.has(t))throw new Error("Expected control to exist: "+t);if(o=u.control(t),!(s=i.get()))throw new Error("Did not expect setting to be empty (deleted).");if((s=_.clone(s)).menu_item_parent<0){if(!r[s.menu_item_parent])throw new Error("inserted ID for menu_item_parent not available");s.menu_item_parent=r[s.menu_item_parent]}c[s.nav_menu_term_id]&&(s.nav_menu_term_id=c[s.nav_menu_term_id]),n="nav_menu_item["+String(e.post_id)+"]",a=u.create(n,n,s,{type:"nav_menu_item",transport:u.Menus.data.settingTransport,previewer:u.previewer}),s=new u.controlConstructor.nav_menu_item(n,{type:"nav_menu_item",menu_id:e.post_id,section:"nav_menu["+String(s.nav_menu_term_id)+"]",priority:o.priority.get(),settings:{default:n},menu_item_id:e.post_id}),o.container.remove(),u.control.remove(t),u.control.add(s),i.callbacks.disable(),i.set(!1),i.preview(),a.preview(),i._dirty=!1,s.container.toggleClass("menu-item-edit-inactive",o.container.hasClass("menu-item-edit-inactive"))}}),_.each(e.widget_nav_menu_updates,function(e,t){t=u(t);t&&(t._value=e,t.preview())})},u.Menus.focusMenuItemControl=function(e){e=u.Menus.getMenuItemControl(e);e&&e.focus()},u.Menus.getMenuControl=function(e){return u.control("nav_menu["+e+"]")},u.Menus.getMenuItemControl=function(e){return u.control("nav_menu_item["+e+"]")}}(wp.customize,wp,jQuery);PK       ! �M�+�*  �*    privacy-tools.jsnu �[���        /**
 * Interactions used by the User Privacy tools in WordPress.
 *
 * @output wp-admin/js/privacy-tools.js
 */

// Privacy request action handling.
jQuery( function( $ ) {
	var __ = wp.i18n.__,
		copiedNoticeTimeout;

	function setActionState( $action, state ) {
		$action.children().addClass( 'hidden' );
		$action.children( '.' + state ).removeClass( 'hidden' );
	}

	function clearResultsAfterRow( $requestRow ) {
		$requestRow.removeClass( 'has-request-results' );

		if ( $requestRow.next().hasClass( 'request-results' ) ) {
			$requestRow.next().remove();
		}
	}

	function appendResultsAfterRow( $requestRow, classes, summaryMessage, additionalMessages ) {
		var itemList = '',
			resultRowClasses = 'request-results';

		clearResultsAfterRow( $requestRow );

		if ( additionalMessages.length ) {
			$.each( additionalMessages, function( index, value ) {
				itemList = itemList + '<li>' + value + '</li>';
			});
			itemList = '<ul>' + itemList + '</ul>';
		}

		$requestRow.addClass( 'has-request-results' );

		if ( $requestRow.hasClass( 'status-request-confirmed' ) ) {
			resultRowClasses = resultRowClasses + ' status-request-confirmed';
		}

		if ( $requestRow.hasClass( 'status-request-failed' ) ) {
			resultRowClasses = resultRowClasses + ' status-request-failed';
		}

		$requestRow.after( function() {
			return '<tr class="' + resultRowClasses + '"><th colspan="5">' +
				'<div class="notice inline notice-alt ' + classes + '" role="alert">' +
				'<p>' + summaryMessage + '</p>' +
				itemList +
				'</div>' +
				'</td>' +
				'</tr>';
		});
	}

	$( '.export-personal-data-handle' ).on( 'click', function( event ) {
		var $this          = $( this ),
			$action        = $this.parents( '.export-personal-data' ),
			$requestRow    = $this.parents( 'tr' ),
			$progress      = $requestRow.find( '.export-progress' ),
			$rowActions    = $this.parents( '.row-actions' ),
			requestID      = $action.data( 'request-id' ),
			nonce          = $action.data( 'nonce' ),
			exportersCount = $action.data( 'exporters-count' ),
			sendAsEmail    = $action.data( 'send-as-email' ) ? true : false;

		event.preventDefault();
		event.stopPropagation();

		$rowActions.addClass( 'processing' );

		$action.trigger( 'blur' );
		clearResultsAfterRow( $requestRow );
		setExportProgress( 0 );

		function onExportDoneSuccess( zipUrl ) {
			var summaryMessage = __( 'This user&#8217;s personal data export link was sent.' );

			if ( 'undefined' !== typeof zipUrl ) {
				summaryMessage = __( 'This user&#8217;s personal data export file was downloaded.' );
			}

			setActionState( $action, 'export-personal-data-success' );

			appendResultsAfterRow( $requestRow, 'notice-success', summaryMessage, [] );

			if ( 'undefined' !== typeof zipUrl ) {
				window.location = zipUrl;
			} else if ( ! sendAsEmail ) {
				onExportFailure( __( 'No personal data export file was generated.' ) );
			}

			setTimeout( function() { $rowActions.removeClass( 'processing' ); }, 500 );
		}

		function onExportFailure( errorMessage ) {
			var summaryMessage = __( 'An error occurred while attempting to export personal data.' );

			setActionState( $action, 'export-personal-data-failed' );

			if ( errorMessage ) {
				appendResultsAfterRow( $requestRow, 'notice-error', summaryMessage, [ errorMessage ] );
			}

			setTimeout( function() { $rowActions.removeClass( 'processing' ); }, 500 );
		}

		function setExportProgress( exporterIndex ) {
			var progress       = ( exportersCount > 0 ? exporterIndex / exportersCount : 0 ),
				progressString = Math.round( progress * 100 ).toString() + '%';

			$progress.html( progressString );
		}

		function doNextExport( exporterIndex, pageIndex ) {
			$.ajax(
				{
					url: window.ajaxurl,
					data: {
						action: 'wp-privacy-export-personal-data',
						exporter: exporterIndex,
						id: requestID,
						page: pageIndex,
						security: nonce,
						sendAsEmail: sendAsEmail
					},
					method: 'post'
				}
			).done( function( response ) {
				var responseData = response.data;

				if ( ! response.success ) {
					// e.g. invalid request ID.
					setTimeout( function() { onExportFailure( response.data ); }, 500 );
					return;
				}

				if ( ! responseData.done ) {
					setTimeout( doNextExport( exporterIndex, pageIndex + 1 ) );
				} else {
					setExportProgress( exporterIndex );
					if ( exporterIndex < exportersCount ) {
						setTimeout( doNextExport( exporterIndex + 1, 1 ) );
					} else {
						setTimeout( function() { onExportDoneSuccess( responseData.url ); }, 500 );
					}
				}
			}).fail( function( jqxhr, textStatus, error ) {
				// e.g. Nonce failure.
				setTimeout( function() { onExportFailure( error ); }, 500 );
			});
		}

		// And now, let's begin.
		setActionState( $action, 'export-personal-data-processing' );
		doNextExport( 1, 1 );
	});

	$( '.remove-personal-data-handle' ).on( 'click', function( event ) {
		var $this         = $( this ),
			$action       = $this.parents( '.remove-personal-data' ),
			$requestRow   = $this.parents( 'tr' ),
			$progress     = $requestRow.find( '.erasure-progress' ),
			$rowActions   = $this.parents( '.row-actions' ),
			requestID     = $action.data( 'request-id' ),
			nonce         = $action.data( 'nonce' ),
			erasersCount  = $action.data( 'erasers-count' ),
			hasRemoved    = false,
			hasRetained   = false,
			messages      = [];

		event.preventDefault();
		event.stopPropagation();

		$rowActions.addClass( 'processing' );

		$action.trigger( 'blur' );
		clearResultsAfterRow( $requestRow );
		setErasureProgress( 0 );

		function onErasureDoneSuccess() {
			var summaryMessage = __( 'No personal data was found for this user.' ),
				classes = 'notice-success';

			setActionState( $action, 'remove-personal-data-success' );

			if ( false === hasRemoved ) {
				if ( false === hasRetained ) {
					summaryMessage = __( 'No personal data was found for this user.' );
				} else {
					summaryMessage = __( 'Personal data was found for this user but was not erased.' );
					classes = 'notice-warning';
				}
			} else {
				if ( false === hasRetained ) {
					summaryMessage = __( 'All of the personal data found for this user was erased.' );
				} else {
					summaryMessage = __( 'Personal data was found for this user but some of the personal data found was not erased.' );
					classes = 'notice-warning';
				}
			}
			appendResultsAfterRow( $requestRow, classes, summaryMessage, messages );

			setTimeout( function() { $rowActions.removeClass( 'processing' ); }, 500 );
		}

		function onErasureFailure() {
			var summaryMessage = __( 'An error occurred while attempting to find and erase personal data.' );

			setActionState( $action, 'remove-personal-data-failed' );

			appendResultsAfterRow( $requestRow, 'notice-error', summaryMessage, [] );

			setTimeout( function() { $rowActions.removeClass( 'processing' ); }, 500 );
		}

		function setErasureProgress( eraserIndex ) {
			var progress       = ( erasersCount > 0 ? eraserIndex / erasersCount : 0 ),
				progressString = Math.round( progress * 100 ).toString() + '%';

			$progress.html( progressString );
		}

		function doNextErasure( eraserIndex, pageIndex ) {
			$.ajax({
				url: window.ajaxurl,
				data: {
					action: 'wp-privacy-erase-personal-data',
					eraser: eraserIndex,
					id: requestID,
					page: pageIndex,
					security: nonce
				},
				method: 'post'
			}).done( function( response ) {
				var responseData = response.data;

				if ( ! response.success ) {
					setTimeout( function() { onErasureFailure(); }, 500 );
					return;
				}
				if ( responseData.items_removed ) {
					hasRemoved = hasRemoved || responseData.items_removed;
				}
				if ( responseData.items_retained ) {
					hasRetained = hasRetained || responseData.items_retained;
				}
				if ( responseData.messages ) {
					messages = messages.concat( responseData.messages );
				}
				if ( ! responseData.done ) {
					setTimeout( doNextErasure( eraserIndex, pageIndex + 1 ) );
				} else {
					setErasureProgress( eraserIndex );
					if ( eraserIndex < erasersCount ) {
						setTimeout( doNextErasure( eraserIndex + 1, 1 ) );
					} else {
						setTimeout( function() { onErasureDoneSuccess(); }, 500 );
					}
				}
			}).fail( function() {
				setTimeout( function() { onErasureFailure(); }, 500 );
			});
		}

		// And now, let's begin.
		setActionState( $action, 'remove-personal-data-processing' );

		doNextErasure( 1, 1 );
	});

	// Privacy Policy page, copy action.
	$( document ).on( 'click', function( event ) {
		var $parent,
			range,
			$target = $( event.target ),
			copiedNotice = $target.siblings( '.success' );

		clearTimeout( copiedNoticeTimeout );

		if ( $target.is( 'button.privacy-text-copy' ) ) {
			$parent = $target.closest( '.privacy-settings-accordion-panel' );

			if ( $parent.length ) {
				try {
					var documentPosition = document.documentElement.scrollTop,
						bodyPosition     = document.body.scrollTop;

					// Setup copy.
					window.getSelection().removeAllRanges();

					// Hide tutorial content to remove from copied content.
					range = document.createRange();
					$parent.addClass( 'hide-privacy-policy-tutorial' );

					// Copy action.
					range.selectNodeContents( $parent[0] );
					window.getSelection().addRange( range );
					document.execCommand( 'copy' );

					// Reset section.
					$parent.removeClass( 'hide-privacy-policy-tutorial' );
					window.getSelection().removeAllRanges();

					// Return scroll position - see #49540.
					if ( documentPosition > 0 && documentPosition !== document.documentElement.scrollTop ) {
						document.documentElement.scrollTop = documentPosition;
					} else if ( bodyPosition > 0 && bodyPosition !== document.body.scrollTop ) {
						document.body.scrollTop = bodyPosition;
					}

					// Display and speak notice to indicate action complete.
					copiedNotice.addClass( 'visible' );
					wp.a11y.speak( __( 'The suggested policy text has been copied to your clipboard.' ) );

					// Delay notice dismissal.
					copiedNoticeTimeout = setTimeout( function() {
						copiedNotice.removeClass( 'visible' );
					}, 3000 );
				} catch ( er ) {}
			}
		}
	});

	// Label handling to focus the create page button on Privacy settings page.
	$( 'body.options-privacy-php label[for=create-page]' ).on( 'click', function( e ) {
		e.preventDefault();
		$( 'input#create-page' ).trigger( 'focus' );
	} );

	// Accordion handling in various new Privacy settings pages.
	$( '.privacy-settings-accordion' ).on( 'click', '.privacy-settings-accordion-trigger', function() {
		var isExpanded = ( 'true' === $( this ).attr( 'aria-expanded' ) );

		if ( isExpanded ) {
			$( this ).attr( 'aria-expanded', 'false' );
			$( '#' + $( this ).attr( 'aria-controls' ) ).attr( 'hidden', true );
		} else {
			$( this ).attr( 'aria-expanded', 'true' );
			$( '#' + $( this ).attr( 'aria-controls' ) ).attr( 'hidden', false );
		}
	} );
});
PK       ! M�z��  ��    nav-menu.jsnu �[���        /**
 * WordPress Administration Navigation Menu
 * Interface JS functions
 *
 * @version 2.0.0
 *
 * @package WordPress
 * @subpackage Administration
 * @output wp-admin/js/nav-menu.js
 */

/* global menus, postboxes, columns, isRtl, ajaxurl, wpNavMenu */

(function($) {

	var api;

	/**
	 * Contains all the functions to handle WordPress navigation menus administration.
	 *
	 * @namespace wpNavMenu
	 */
	api = window.wpNavMenu = {

		options : {
			menuItemDepthPerLevel : 30, // Do not use directly. Use depthToPx and pxToDepth instead.
			globalMaxDepth:  11,
			sortableItems:   '> *',
			targetTolerance: 0
		},

		menuList : undefined,	// Set in init.
		targetList : undefined, // Set in init.
		menusChanged : false,
		isRTL: !! ( 'undefined' != typeof isRtl && isRtl ),
		negateIfRTL: ( 'undefined' != typeof isRtl && isRtl ) ? -1 : 1,
		lastSearch: '',

		// Functions that run on init.
		init : function() {
			api.menuList = $('#menu-to-edit');
			api.targetList = api.menuList;

			this.jQueryExtensions();

			this.attachMenuEditListeners();

			this.attachBulkSelectButtonListeners();
			this.attachMenuCheckBoxListeners();
			this.attachMenuItemDeleteButton();
			this.attachPendingMenuItemsListForDeletion();

			this.attachQuickSearchListeners();
			this.attachThemeLocationsListeners();
			this.attachMenuSaveSubmitListeners();

			this.attachTabsPanelListeners();

			this.attachUnsavedChangesListener();

			if ( api.menuList.length )
				this.initSortables();

			if ( menus.oneThemeLocationNoMenus )
				$( '#posttype-page' ).addSelectedToMenu( api.addMenuItemToBottom );

			this.initManageLocations();

			this.initAccessibility();

			this.initToggles();

			this.initPreviewing();
		},

		jQueryExtensions : function() {
			// jQuery extensions.
			$.fn.extend({
				menuItemDepth : function() {
					var margin = api.isRTL ? this.eq(0).css('margin-right') : this.eq(0).css('margin-left');
					return api.pxToDepth( margin && -1 != margin.indexOf('px') ? margin.slice(0, -2) : 0 );
				},
				updateDepthClass : function(current, prev) {
					return this.each(function(){
						var t = $(this);
						prev = prev || t.menuItemDepth();
						$(this).removeClass('menu-item-depth-'+ prev )
							.addClass('menu-item-depth-'+ current );
					});
				},
				shiftDepthClass : function(change) {
					return this.each(function(){
						var t = $(this),
							depth = t.menuItemDepth(),
							newDepth = depth + change;

						t.removeClass( 'menu-item-depth-'+ depth )
							.addClass( 'menu-item-depth-'+ ( newDepth ) );

						if ( 0 === newDepth ) {
							t.find( '.is-submenu' ).hide();
						}
					});
				},
				childMenuItems : function() {
					var result = $();
					this.each(function(){
						var t = $(this), depth = t.menuItemDepth(), next = t.next( '.menu-item' );
						while( next.length && next.menuItemDepth() > depth ) {
							result = result.add( next );
							next = next.next( '.menu-item' );
						}
					});
					return result;
				},
				shiftHorizontally : function( dir ) {
					return this.each(function(){
						var t = $(this),
							depth = t.menuItemDepth(),
							newDepth = depth + dir;

						// Change .menu-item-depth-n class.
						t.moveHorizontally( newDepth, depth );
					});
				},
				moveHorizontally : function( newDepth, depth ) {
					return this.each(function(){
						var t = $(this),
							children = t.childMenuItems(),
							diff = newDepth - depth,
							subItemText = t.find('.is-submenu');

						// Change .menu-item-depth-n class.
						t.updateDepthClass( newDepth, depth ).updateParentMenuItemDBId();

						// If it has children, move those too.
						if ( children ) {
							children.each(function() {
								var t = $(this),
									thisDepth = t.menuItemDepth(),
									newDepth = thisDepth + diff;
								t.updateDepthClass(newDepth, thisDepth).updateParentMenuItemDBId();
							});
						}

						// Show "Sub item" helper text.
						if (0 === newDepth)
							subItemText.hide();
						else
							subItemText.show();
					});
				},
				updateParentMenuItemDBId : function() {
					return this.each(function(){
						var item = $(this),
							input = item.find( '.menu-item-data-parent-id' ),
							depth = parseInt( item.menuItemDepth(), 10 ),
							parentDepth = depth - 1,
							parent = item.prevAll( '.menu-item-depth-' + parentDepth ).first();

						if ( 0 === depth ) { // Item is on the top level, has no parent.
							input.val(0);
						} else { // Find the parent item, and retrieve its object id.
							input.val( parent.find( '.menu-item-data-db-id' ).val() );
						}
					});
				},
				hideAdvancedMenuItemFields : function() {
					return this.each(function(){
						var that = $(this);
						$('.hide-column-tog').not(':checked').each(function(){
							that.find('.field-' + $(this).val() ).addClass('hidden-field');
						});
					});
				},
				/**
				 * Adds selected menu items to the menu.
				 *
				 * @ignore
				 *
				 * @param jQuery metabox The metabox jQuery object.
				 */
				addSelectedToMenu : function(processMethod) {
					if ( 0 === $('#menu-to-edit').length ) {
						return false;
					}

					return this.each(function() {
						var t = $(this), menuItems = {},
							checkboxes = ( menus.oneThemeLocationNoMenus && 0 === t.find( '.tabs-panel-active .categorychecklist li input:checked' ).length ) ? t.find( '#page-all li input[type="checkbox"]' ) : t.find( '.tabs-panel-active .categorychecklist li input:checked' ),
							re = /menu-item\[([^\]]*)/;

						processMethod = processMethod || api.addMenuItemToBottom;

						// If no items are checked, bail.
						if ( !checkboxes.length )
							return false;

						// Show the Ajax spinner.
						t.find( '.button-controls .spinner' ).addClass( 'is-active' );

						// Retrieve menu item data.
						$(checkboxes).each(function(){
							var t = $(this),
								listItemDBIDMatch = re.exec( t.attr('name') ),
								listItemDBID = 'undefined' == typeof listItemDBIDMatch[1] ? 0 : parseInt(listItemDBIDMatch[1], 10);

							if ( this.className && -1 != this.className.indexOf('add-to-top') )
								processMethod = api.addMenuItemToTop;
							menuItems[listItemDBID] = t.closest('li').getItemData( 'add-menu-item', listItemDBID );
						});

						// Add the items.
						api.addItemToMenu(menuItems, processMethod, function(){
							// Deselect the items and hide the Ajax spinner.
							checkboxes.prop( 'checked', false );
							t.find( '.button-controls .select-all' ).prop( 'checked', false );
							t.find( '.button-controls .spinner' ).removeClass( 'is-active' );
							t.updateParentDropdown();
							t.updateOrderDropdown();
						});
					});
				},
				getItemData : function( itemType, id ) {
					itemType = itemType || 'menu-item';

					var itemData = {}, i,
					fields = [
						'menu-item-db-id',
						'menu-item-object-id',
						'menu-item-object',
						'menu-item-parent-id',
						'menu-item-position',
						'menu-item-type',
						'menu-item-title',
						'menu-item-url',
						'menu-item-description',
						'menu-item-attr-title',
						'menu-item-target',
						'menu-item-classes',
						'menu-item-xfn'
					];

					if( !id && itemType == 'menu-item' ) {
						id = this.find('.menu-item-data-db-id').val();
					}

					if( !id ) return itemData;

					this.find('input').each(function() {
						var field;
						i = fields.length;
						while ( i-- ) {
							if( itemType == 'menu-item' )
								field = fields[i] + '[' + id + ']';
							else if( itemType == 'add-menu-item' )
								field = 'menu-item[' + id + '][' + fields[i] + ']';

							if (
								this.name &&
								field == this.name
							) {
								itemData[fields[i]] = this.value;
							}
						}
					});

					return itemData;
				},
				setItemData : function( itemData, itemType, id ) { // Can take a type, such as 'menu-item', or an id.
					itemType = itemType || 'menu-item';

					if( !id && itemType == 'menu-item' ) {
						id = $('.menu-item-data-db-id', this).val();
					}

					if( !id ) return this;

					this.find('input').each(function() {
						var t = $(this), field;
						$.each( itemData, function( attr, val ) {
							if( itemType == 'menu-item' )
								field = attr + '[' + id + ']';
							else if( itemType == 'add-menu-item' )
								field = 'menu-item[' + id + '][' + attr + ']';

							if ( field == t.attr('name') ) {
								t.val( val );
							}
						});
					});
					return this;
				},
				updateParentDropdown : function() {
					return this.each(function(){
						var menuItems = $( '#menu-to-edit li' ),
							parentDropdowns = $( '.edit-menu-item-parent' );

						$.each( parentDropdowns, function() {
							var parentDropdown = $( this ),
								currentItemID = parseInt( parentDropdown.closest( 'li.menu-item' ).find( '.menu-item-data-db-id' ).val() ),
								currentParentID = parseInt( parentDropdown.closest( 'li.menu-item' ).find( '.menu-item-data-parent-id' ).val() ),
								currentItem = parentDropdown.closest( 'li.menu-item' ),
								currentMenuItemChild = currentItem.childMenuItems(),
								excludeMenuItem =  /** @type {number[]} */ [ currentItemID ];

							parentDropdown.empty();

							if ( currentMenuItemChild.length > 0 ) {
								$.each( currentMenuItemChild, function(){
									var childItem = $(this),
										childID = parseInt( childItem.find( '.menu-item-data-db-id' ).val() );

									excludeMenuItem.push( childID );
								});
							}

							parentDropdown.append(
								$( '<option>', {
									value: '0',
									selected: currentParentID === 0,
									text: wp.i18n._x( 'No Parent', 'menu item without a parent in navigation menu' ),
								} )
							);

							$.each( menuItems, function() {
								var menuItem = $(this),
								menuID = parseInt( menuItem.find( '.menu-item-data-db-id' ).val() ),
								menuTitle = menuItem.find( '.edit-menu-item-title' ).val();

								if ( ! excludeMenuItem.includes( menuID ) ) {
									parentDropdown.append(
										$( '<option>', {
											value: menuID.toString(),
											selected: currentParentID === menuID,
											text: menuTitle,
										} )
									);
								}
							});
						});
						
					});
				},
				updateOrderDropdown : function() {
					return this.each( function() {
						var itemPosition,
							orderDropdowns = $( '.edit-menu-item-order' );

						$.each( orderDropdowns, function() {
							var orderDropdown = $( this ),
								menuItem = orderDropdown.closest( 'li.menu-item' ).first(),
								depth = menuItem.menuItemDepth(),
								isPrimaryMenuItem = ( 0 === depth );

							orderDropdown.empty();

							if ( isPrimaryMenuItem ) {
								var primaryItems = $( '.menu-item-depth-0' ),
									totalMenuItems = primaryItems.length;

								itemPosition = primaryItems.index( menuItem ) + 1;

								for ( let i = 1; i < totalMenuItems + 1; i++ ) {
									var itemString = wp.i18n.sprintf(
										/* translators: 1: The current menu item number, 2: The total number of menu items. */
										wp.i18n._x( '%1$s of %2$s', 'part of a total number of menu items' ),
										i,
										totalMenuItems
									);
									orderDropdown.append(
										$( '<option>', {
											selected: i === itemPosition,
											value: i.toString(),
											text: itemString,
										} )
									);
								}

							} else {
								var parentItem = menuItem.prevAll( '.menu-item-depth-' + parseInt( depth - 1, 10 ) ).first(),
									parentItemId = parentItem.find( '.menu-item-data-db-id' ).val(),
									subItems = $( '.menu-item .menu-item-data-parent-id[value="' + parentItemId + '"]' ),
									totalSubMenuItems = subItems.length;

								itemPosition = $( subItems.parents('.menu-item').get().reverse() ).index( menuItem ) + 1;

								for ( let i = 1; i < totalSubMenuItems + 1; i++ ) {
									var submenuString = wp.i18n.sprintf(
										/* translators: 1: The current submenu item number, 2: The total number of submenu items. */
										wp.i18n._x( '%1$s of %2$s', 'part of a total number of menu items' ),
										i,
										totalSubMenuItems
									);
									orderDropdown.append(
										$( '<option>', {
											selected: i === itemPosition,
											value: i.toString(),
											text: submenuString,
										} )
									);
								}

							}
						});
						
					});
				}
			});
		},

		countMenuItems : function( depth ) {
			return $( '.menu-item-depth-' + depth ).length;
		},

		moveMenuItem : function( $this, dir ) {
			var items, newItemPosition, newDepth,
				menuItems = $( '#menu-to-edit li' ),
				menuItemsCount = menuItems.length,
				thisItem = $this.parents( 'li.menu-item' ),
				thisItemChildren = thisItem.childMenuItems(),
				thisItemData = thisItem.getItemData(),
				thisItemDepth = parseInt( thisItem.menuItemDepth(), 10 ),
				thisItemPosition = parseInt( thisItem.index(), 10 ),
				nextItem = thisItem.next(),
				nextItemChildren = nextItem.childMenuItems(),
				nextItemDepth = parseInt( nextItem.menuItemDepth(), 10 ) + 1,
				prevItem = thisItem.prev(),
				prevItemDepth = parseInt( prevItem.menuItemDepth(), 10 ),
				prevItemId = prevItem.getItemData()['menu-item-db-id'],
				a11ySpeech = menus[ 'moved' + dir.charAt(0).toUpperCase() + dir.slice(1) ];

			switch ( dir ) {
			case 'up':
				newItemPosition = thisItemPosition - 1;

				// Already at top.
				if ( 0 === thisItemPosition )
					break;

				// If a sub item is moved to top, shift it to 0 depth.
				if ( 0 === newItemPosition && 0 !== thisItemDepth )
					thisItem.moveHorizontally( 0, thisItemDepth );

				// If prev item is sub item, shift to match depth.
				if ( 0 !== prevItemDepth )
					thisItem.moveHorizontally( prevItemDepth, thisItemDepth );

				// Does this item have sub items?
				if ( thisItemChildren ) {
					items = thisItem.add( thisItemChildren );
					// Move the entire block.
					items.detach().insertBefore( menuItems.eq( newItemPosition ) ).updateParentMenuItemDBId();
				} else {
					thisItem.detach().insertBefore( menuItems.eq( newItemPosition ) ).updateParentMenuItemDBId();
				}
				break;
			case 'down':
				// Does this item have sub items?
				if ( thisItemChildren ) {
					items = thisItem.add( thisItemChildren ),
						nextItem = menuItems.eq( items.length + thisItemPosition ),
						nextItemChildren = 0 !== nextItem.childMenuItems().length;

					if ( nextItemChildren ) {
						newDepth = parseInt( nextItem.menuItemDepth(), 10 ) + 1;
						thisItem.moveHorizontally( newDepth, thisItemDepth );
					}

					// Have we reached the bottom?
					if ( menuItemsCount === thisItemPosition + items.length )
						break;

					items.detach().insertAfter( menuItems.eq( thisItemPosition + items.length ) ).updateParentMenuItemDBId();
				} else {
					// If next item has sub items, shift depth.
					if ( 0 !== nextItemChildren.length )
						thisItem.moveHorizontally( nextItemDepth, thisItemDepth );

					// Have we reached the bottom?
					if ( menuItemsCount === thisItemPosition + 1 )
						break;
					thisItem.detach().insertAfter( menuItems.eq( thisItemPosition + 1 ) ).updateParentMenuItemDBId();
				}
				break;
			case 'top':
				// Already at top.
				if ( 0 === thisItemPosition )
					break;
				// Does this item have sub items?
				if ( thisItemChildren ) {
					items = thisItem.add( thisItemChildren );
					// Move the entire block.
					items.detach().insertBefore( menuItems.eq( 0 ) ).updateParentMenuItemDBId();
				} else {
					thisItem.detach().insertBefore( menuItems.eq( 0 ) ).updateParentMenuItemDBId();
				}
				break;
			case 'left':
				// As far left as possible.
				if ( 0 === thisItemDepth )
					break;
				thisItem.shiftHorizontally( -1 );
				break;
			case 'right':
				// Can't be sub item at top.
				if ( 0 === thisItemPosition )
					break;
				// Already sub item of prevItem.
				if ( thisItemData['menu-item-parent-id'] === prevItemId )
					break;
				thisItem.shiftHorizontally( 1 );
				break;
			}
			$this.trigger( 'focus' );
			api.registerChange();
			api.refreshKeyboardAccessibility();
			api.refreshAdvancedAccessibility();
			thisItem.updateParentDropdown();
			thisItem.updateOrderDropdown();

			if ( a11ySpeech ) {
				wp.a11y.speak( a11ySpeech );
			}
		},

		initAccessibility : function() {
			var menu = $( '#menu-to-edit' );

			api.refreshKeyboardAccessibility();
			api.refreshAdvancedAccessibility();

			// Refresh the accessibility when the user comes close to the item in any way.
			menu.on( 'mouseenter.refreshAccessibility focus.refreshAccessibility touchstart.refreshAccessibility' , '.menu-item' , function(){
				api.refreshAdvancedAccessibilityOfItem( $( this ).find( 'a.item-edit' ) );
			} );

			// We have to update on click as well because we might hover first, change the item, and then click.
			menu.on( 'click', 'a.item-edit', function() {
				api.refreshAdvancedAccessibilityOfItem( $( this ) );
			} );

			// Links for moving items.
			menu.on( 'click', '.menus-move', function () {
				var $this = $( this ),
					dir = $this.data( 'dir' );

				if ( 'undefined' !== typeof dir ) {
					api.moveMenuItem( $( this ).parents( 'li.menu-item' ).find( 'a.item-edit' ), dir );
				}
			});

			// Set menu parents data for all menu items.
			menu.updateParentDropdown();

			// Set menu order data for all menu items.
			menu.updateOrderDropdown();

			// Update menu item parent when value is changed.
			menu.on( 'change', '.edit-menu-item-parent', function() {
				api.changeMenuParent( $( this ) );
			});
			
			// Update menu item order when value is changed.
			menu.on( 'change', '.edit-menu-item-order', function() {
				api.changeMenuOrder( $( this ) );
			});
		},

		/**
		 * changeMenuParent( [parentDropdown] )
		 * 
		 * @since 6.7.0
		 *
		 * @param {object} parentDropdown select field
		 */
		changeMenuParent : function( parentDropdown ) {
			var menuItemNewPosition,
				menuItems = $( '#menu-to-edit li' ),
				$this = $( parentDropdown ),
				newParentID = $this.val(),
				menuItem = $this.closest( 'li.menu-item' ).first(),
				menuItemOldDepth = menuItem.menuItemDepth(),
				menuItemChildren = menuItem.childMenuItems(),
				menuItemNoChildren = parseInt( menuItem.childMenuItems().length, 10 ),
				parentItem = $( '#menu-item-' + newParentID ),
				parentItemDepth = parentItem.menuItemDepth(),
				menuItemNewDepth = parseInt( parentItemDepth ) + 1;

			if ( newParentID == 0 ) {
				menuItemNewDepth = 0;
			}

			menuItem.find( '.menu-item-data-parent-id' ).val( newParentID );
			menuItem.moveHorizontally( menuItemNewDepth, menuItemOldDepth );

			if ( menuItemNoChildren > 0 ) {
				menuItem = menuItem.add( menuItemChildren );
			}
			menuItem.detach();

			menuItems = $( '#menu-to-edit li' );

			var	parentItemPosition = parseInt( parentItem.index(), 10 ),
				parentItemNoChild = parseInt( parentItem.childMenuItems().length, 10 );

			if ( parentItemNoChild > 0 ){
				menuItemNewPosition = parentItemPosition + parentItemNoChild;
			} else {
				menuItemNewPosition = parentItemPosition;
			}

			if ( newParentID == 0 ) {
				menuItemNewPosition = menuItems.length - 1;
			}

			menuItem.insertAfter( menuItems.eq( menuItemNewPosition ) ).updateParentMenuItemDBId().updateParentDropdown().updateOrderDropdown();

			api.registerChange();
			api.refreshKeyboardAccessibility();
			api.refreshAdvancedAccessibility();
			$this.trigger( 'focus' );
			wp.a11y.speak( menus.parentUpdated, 'polite' );
		},

		/**
		 * changeMenuOrder( [OrderDropdown] )
		 * 
		 * @since 6.7.0
		 *
		 * @param {object} orderDropdown select field
		 */
		changeMenuOrder : function( orderDropdown ) {
			var menuItems = $( '#menu-to-edit li' ),
				$this = $( orderDropdown ),
				newOrderID = parseInt( $this.val(), 10),
				menuItem = $this.closest( 'li.menu-item' ).first(),
				menuItemChildren = menuItem.childMenuItems(),
				menuItemNoChildren = menuItemChildren.length,
				menuItemCurrentPosition = parseInt( menuItem.index(), 10 ),
				parentItemID = menuItem.find( '.menu-item-data-parent-id' ).val(),
				subItems = $( '.menu-item .menu-item-data-parent-id[value="' + parentItemID + '"]' ),
				currentItemAtPosition = $(subItems[newOrderID - 1]).closest( 'li.menu-item' );

			if ( menuItemNoChildren > 0 ) {
				menuItem = menuItem.add( menuItemChildren );
			}

			var currentItemNoChildren = currentItemAtPosition.childMenuItems().length,
				currentItemPosition = parseInt( currentItemAtPosition.index(), 10 );

			menuItems = $( '#menu-to-edit li' );

			var	menuItemNewPosition = currentItemPosition;

			if(menuItemCurrentPosition > menuItemNewPosition){
				menuItemNewPosition = currentItemPosition;
				menuItem.detach().insertBefore( menuItems.eq( menuItemNewPosition ) ).updateOrderDropdown();
			} else {
				menuItemNewPosition = menuItemNewPosition + currentItemNoChildren;
				menuItem.detach().insertAfter( menuItems.eq( menuItemNewPosition ) ).updateOrderDropdown();
			}

			api.registerChange();
			api.refreshKeyboardAccessibility();
			api.refreshAdvancedAccessibility();
			$this.trigger( 'focus' );
			wp.a11y.speak( menus.orderUpdated, 'polite' );
		},

		/**
		 * refreshAdvancedAccessibilityOfItem( [itemToRefresh] )
		 *
		 * Refreshes advanced accessibility buttons for one menu item.
		 * Shows or hides buttons based on the location of the menu item.
		 *
		 * @param {Object} itemToRefresh The menu item that might need its advanced accessibility buttons refreshed
		 */
		refreshAdvancedAccessibilityOfItem : function( itemToRefresh ) {

			// Only refresh accessibility when necessary.
			if ( true !== $( itemToRefresh ).data( 'needs_accessibility_refresh' ) ) {
				return;
			}

			var thisLink, thisLinkText, primaryItems, itemPosition, title,
				parentItem, parentItemId, parentItemName, subItems, totalSubItems,
				$this = $( itemToRefresh ),
				menuItem = $this.closest( 'li.menu-item' ).first(),
				depth = menuItem.menuItemDepth(),
				isPrimaryMenuItem = ( 0 === depth ),
				itemName = $this.closest( '.menu-item-handle' ).find( '.menu-item-title' ).text(),
				menuItemType = $this.closest( '.menu-item-handle' ).find( '.item-controls' ).find( '.item-type' ).text(),
				position = parseInt( menuItem.index(), 10 ),
				prevItemDepth = ( isPrimaryMenuItem ) ? depth : parseInt( depth - 1, 10 ),
				prevItemNameLeft = menuItem.prevAll('.menu-item-depth-' + prevItemDepth).first().find( '.menu-item-title' ).text(),
				prevItemNameRight = menuItem.prevAll('.menu-item-depth-' + depth).first().find( '.menu-item-title' ).text(),
				totalMenuItems = $('#menu-to-edit li').length,
				hasSameDepthSibling = menuItem.nextAll( '.menu-item-depth-' + depth ).length;

				menuItem.find( '.field-move' ).toggle( totalMenuItems > 1 );

			// Where can they move this menu item?
			if ( 0 !== position ) {
				thisLink = menuItem.find( '.menus-move-up' );
				thisLink.attr( 'aria-label', menus.moveUp ).css( 'display', 'inline' );
			}

			if ( 0 !== position && isPrimaryMenuItem ) {
				thisLink = menuItem.find( '.menus-move-top' );
				thisLink.attr( 'aria-label', menus.moveToTop ).css( 'display', 'inline' );
			}

			if ( position + 1 !== totalMenuItems && 0 !== position ) {
				thisLink = menuItem.find( '.menus-move-down' );
				thisLink.attr( 'aria-label', menus.moveDown ).css( 'display', 'inline' );
			}

			if ( 0 === position && 0 !== hasSameDepthSibling ) {
				thisLink = menuItem.find( '.menus-move-down' );
				thisLink.attr( 'aria-label', menus.moveDown ).css( 'display', 'inline' );
			}

			if ( ! isPrimaryMenuItem ) {
				thisLink = menuItem.find( '.menus-move-left' ),
				thisLinkText = menus.outFrom.replace( '%s', prevItemNameLeft );
				thisLink.attr( 'aria-label', menus.moveOutFrom.replace( '%s', prevItemNameLeft ) ).text( thisLinkText ).css( 'display', 'inline' );
			}

			if ( 0 !== position ) {
				if ( menuItem.find( '.menu-item-data-parent-id' ).val() !== menuItem.prev().find( '.menu-item-data-db-id' ).val() ) {
					thisLink = menuItem.find( '.menus-move-right' ),
					thisLinkText = menus.under.replace( '%s', prevItemNameRight );
					thisLink.attr( 'aria-label', menus.moveUnder.replace( '%s', prevItemNameRight ) ).text( thisLinkText ).css( 'display', 'inline' );
				}
			}

			if ( isPrimaryMenuItem ) {
				primaryItems = $( '.menu-item-depth-0' ),
				itemPosition = primaryItems.index( menuItem ) + 1,
				totalMenuItems = primaryItems.length,
				// String together help text for primary menu items.
				title = menus.menuFocus.replace( '%1$s', itemName ).replace( '%2$s', menuItemType ).replace( '%3$d', itemPosition ).replace( '%4$d', totalMenuItems );
			} else {
				parentItem = menuItem.prevAll( '.menu-item-depth-' + parseInt( depth - 1, 10 ) ).first(),
				parentItemId = parentItem.find( '.menu-item-data-db-id' ).val(),
				parentItemName = parentItem.find( '.menu-item-title' ).text(),
				subItems = $( '.menu-item .menu-item-data-parent-id[value="' + parentItemId + '"]' ),
				totalSubItems = subItems.length,
				itemPosition = $( subItems.parents('.menu-item').get().reverse() ).index( menuItem ) + 1;

				// String together help text for sub menu items.
				if ( depth < 2 ) {
					title = menus.subMenuFocus.replace( '%1$s', itemName ).replace( '%2$s', menuItemType ).replace( '%3$d', itemPosition ).replace( '%4$d', totalSubItems ).replace( '%5$s', parentItemName );
				} else {
					title = menus.subMenuMoreDepthFocus.replace( '%1$s', itemName ).replace( '%2$s', menuItemType ).replace( '%3$d', itemPosition ).replace( '%4$d', totalSubItems ).replace( '%5$s', parentItemName ).replace( '%6$d', depth );
				}
			}

			$this.attr( 'aria-label', title );

			// Mark this item's accessibility as refreshed.
			$this.data( 'needs_accessibility_refresh', false );
		},

		/**
		 * refreshAdvancedAccessibility
		 *
		 * Hides all advanced accessibility buttons and marks them for refreshing.
		 */
		refreshAdvancedAccessibility : function() {

			// Hide all the move buttons by default.
			$( '.menu-item-settings .field-move .menus-move' ).hide();

			// Mark all menu items as unprocessed.
			$( 'a.item-edit' ).data( 'needs_accessibility_refresh', true );

			// All open items have to be refreshed or they will show no links.
			$( '.menu-item-edit-active a.item-edit' ).each( function() {
				api.refreshAdvancedAccessibilityOfItem( this );
			} );
		},

		refreshKeyboardAccessibility : function() {
			$( 'a.item-edit' ).off( 'focus' ).on( 'focus', function(){
				$(this).off( 'keydown' ).on( 'keydown', function(e){

					var arrows,
						$this = $( this ),
						thisItem = $this.parents( 'li.menu-item' ),
						thisItemData = thisItem.getItemData();

					// Bail if it's not an arrow key.
					if ( 37 != e.which && 38 != e.which && 39 != e.which && 40 != e.which )
						return;

					// Avoid multiple keydown events.
					$this.off('keydown');

					// Bail if there is only one menu item.
					if ( 1 === $('#menu-to-edit li').length )
						return;

					// If RTL, swap left/right arrows.
					arrows = { '38': 'up', '40': 'down', '37': 'left', '39': 'right' };
					if ( $('body').hasClass('rtl') )
						arrows = { '38' : 'up', '40' : 'down', '39' : 'left', '37' : 'right' };

					switch ( arrows[e.which] ) {
					case 'up':
						api.moveMenuItem( $this, 'up' );
						break;
					case 'down':
						api.moveMenuItem( $this, 'down' );
						break;
					case 'left':
						api.moveMenuItem( $this, 'left' );
						break;
					case 'right':
						api.moveMenuItem( $this, 'right' );
						break;
					}
					// Put focus back on same menu item.
					$( '#edit-' + thisItemData['menu-item-db-id'] ).trigger( 'focus' );
					return false;
				});
			});
		},

		initPreviewing : function() {
			// Update the item handle title when the navigation label is changed.
			$( '#menu-to-edit' ).on( 'change input', '.edit-menu-item-title', function(e) {
				var input = $( e.currentTarget ), title, titleEl;
				title = input.val();
				titleEl = input.closest( '.menu-item' ).find( '.menu-item-title' );
				// Don't update to empty title.
				if ( title ) {
					titleEl.text( title ).removeClass( 'no-title' );
				} else {
					titleEl.text( wp.i18n._x( '(no label)', 'missing menu item navigation label' ) ).addClass( 'no-title' );
				}
			} );
		},

		initToggles : function() {
			// Init postboxes.
			postboxes.add_postbox_toggles('nav-menus');

			// Adjust columns functions for menus UI.
			columns.useCheckboxesForHidden();
			columns.checked = function(field) {
				$('.field-' + field).removeClass('hidden-field');
			};
			columns.unchecked = function(field) {
				$('.field-' + field).addClass('hidden-field');
			};
			// Hide fields.
			api.menuList.hideAdvancedMenuItemFields();

			$('.hide-postbox-tog').on( 'click', function () {
				var hidden = $( '.accordion-container li.accordion-section' ).filter(':hidden').map(function() { return this.id; }).get().join(',');
				$.post(ajaxurl, {
					action: 'closed-postboxes',
					hidden: hidden,
					closedpostboxesnonce: jQuery('#closedpostboxesnonce').val(),
					page: 'nav-menus'
				});
			});
		},

		initSortables : function() {
			var currentDepth = 0, originalDepth, minDepth, maxDepth,
				prev, next, prevBottom, nextThreshold, helperHeight, transport,
				menuEdge = api.menuList.offset().left,
				body = $('body'), maxChildDepth,
				menuMaxDepth = initialMenuMaxDepth();

			if( 0 !== $( '#menu-to-edit li' ).length )
				$( '.drag-instructions' ).show();

			// Use the right edge if RTL.
			menuEdge += api.isRTL ? api.menuList.width() : 0;

			api.menuList.sortable({
				handle: '.menu-item-handle',
				placeholder: 'sortable-placeholder',
				items: api.options.sortableItems,
				start: function(e, ui) {
					var height, width, parent, children, tempHolder;

					// Handle placement for RTL orientation.
					if ( api.isRTL )
						ui.item[0].style.right = 'auto';

					transport = ui.item.children('.menu-item-transport');

					// Set depths. currentDepth must be set before children are located.
					originalDepth = ui.item.menuItemDepth();
					updateCurrentDepth(ui, originalDepth);

					// Attach child elements to parent.
					// Skip the placeholder.
					parent = ( ui.item.next()[0] == ui.placeholder[0] ) ? ui.item.next() : ui.item;
					children = parent.childMenuItems();
					transport.append( children );

					// Update the height of the placeholder to match the moving item.
					height = transport.outerHeight();
					// If there are children, account for distance between top of children and parent.
					height += ( height > 0 ) ? (ui.placeholder.css('margin-top').slice(0, -2) * 1) : 0;
					height += ui.helper.outerHeight();
					helperHeight = height;
					height -= 2;                                              // Subtract 2 for borders.
					ui.placeholder.height(height);

					// Update the width of the placeholder to match the moving item.
					maxChildDepth = originalDepth;
					children.each(function(){
						var depth = $(this).menuItemDepth();
						maxChildDepth = (depth > maxChildDepth) ? depth : maxChildDepth;
					});
					width = ui.helper.find('.menu-item-handle').outerWidth(); // Get original width.
					width += api.depthToPx(maxChildDepth - originalDepth);    // Account for children.
					width -= 2;                                               // Subtract 2 for borders.
					ui.placeholder.width(width);

					// Update the list of menu items.
					tempHolder = ui.placeholder.next( '.menu-item' );
					tempHolder.css( 'margin-top', helperHeight + 'px' ); // Set the margin to absorb the placeholder.
					ui.placeholder.detach();         // Detach or jQuery UI will think the placeholder is a menu item.
					$(this).sortable( 'refresh' );   // The children aren't sortable. We should let jQuery UI know.
					ui.item.after( ui.placeholder ); // Reattach the placeholder.
					tempHolder.css('margin-top', 0); // Reset the margin.

					// Now that the element is complete, we can update...
					updateSharedVars(ui);
				},
				stop: function(e, ui) {
					var children, subMenuTitle,
						depthChange = currentDepth - originalDepth;

					// Return child elements to the list.
					children = transport.children().insertAfter(ui.item);

					// Add "sub menu" description.
					subMenuTitle = ui.item.find( '.item-title .is-submenu' );
					if ( 0 < currentDepth )
						subMenuTitle.show();
					else
						subMenuTitle.hide();

					// Update depth classes.
					if ( 0 !== depthChange ) {
						ui.item.updateDepthClass( currentDepth );
						children.shiftDepthClass( depthChange );
						updateMenuMaxDepth( depthChange );
					}
					// Register a change.
					api.registerChange();
					// Update the item data.
					ui.item.updateParentMenuItemDBId();

					// Address sortable's incorrectly-calculated top in Opera.
					ui.item[0].style.top = 0;

					// Handle drop placement for rtl orientation.
					if ( api.isRTL ) {
						ui.item[0].style.left = 'auto';
						ui.item[0].style.right = 0;
					}

					api.refreshKeyboardAccessibility();
					api.refreshAdvancedAccessibility();
					ui.item.updateParentDropdown();
					ui.item.updateOrderDropdown();
					api.refreshAdvancedAccessibilityOfItem( ui.item.find( 'a.item-edit' ) );
				},
				change: function(e, ui) {
					// Make sure the placeholder is inside the menu.
					// Otherwise fix it, or we're in trouble.
					if( ! ui.placeholder.parent().hasClass('menu') )
						(prev.length) ? prev.after( ui.placeholder ) : api.menuList.prepend( ui.placeholder );

					updateSharedVars(ui);
				},
				sort: function(e, ui) {
					var offset = ui.helper.offset(),
						edge = api.isRTL ? offset.left + ui.helper.width() : offset.left,
						depth = api.negateIfRTL * api.pxToDepth( edge - menuEdge );

					/*
					 * Check and correct if depth is not within range.
					 * Also, if the dragged element is dragged upwards over an item,
					 * shift the placeholder to a child position.
					 */
					if ( depth > maxDepth || offset.top < ( prevBottom - api.options.targetTolerance ) ) {
						depth = maxDepth;
					} else if ( depth < minDepth ) {
						depth = minDepth;
					}

					if( depth != currentDepth )
						updateCurrentDepth(ui, depth);

					// If we overlap the next element, manually shift downwards.
					if( nextThreshold && offset.top + helperHeight > nextThreshold ) {
						next.after( ui.placeholder );
						updateSharedVars( ui );
						$( this ).sortable( 'refreshPositions' );
					}
				}
			});

			function updateSharedVars(ui) {
				var depth;

				prev = ui.placeholder.prev( '.menu-item' );
				next = ui.placeholder.next( '.menu-item' );

				// Make sure we don't select the moving item.
				if( prev[0] == ui.item[0] ) prev = prev.prev( '.menu-item' );
				if( next[0] == ui.item[0] ) next = next.next( '.menu-item' );

				prevBottom = (prev.length) ? prev.offset().top + prev.height() : 0;
				nextThreshold = (next.length) ? next.offset().top + next.height() / 3 : 0;
				minDepth = (next.length) ? next.menuItemDepth() : 0;

				if( prev.length )
					maxDepth = ( (depth = prev.menuItemDepth() + 1) > api.options.globalMaxDepth ) ? api.options.globalMaxDepth : depth;
				else
					maxDepth = 0;
			}

			function updateCurrentDepth(ui, depth) {
				ui.placeholder.updateDepthClass( depth, currentDepth );
				currentDepth = depth;
			}

			function initialMenuMaxDepth() {
				if( ! body[0].className ) return 0;
				var match = body[0].className.match(/menu-max-depth-(\d+)/);
				return match && match[1] ? parseInt( match[1], 10 ) : 0;
			}

			function updateMenuMaxDepth( depthChange ) {
				var depth, newDepth = menuMaxDepth;
				if ( depthChange === 0 ) {
					return;
				} else if ( depthChange > 0 ) {
					depth = maxChildDepth + depthChange;
					if( depth > menuMaxDepth )
						newDepth = depth;
				} else if ( depthChange < 0 && maxChildDepth == menuMaxDepth ) {
					while( ! $('.menu-item-depth-' + newDepth, api.menuList).length && newDepth > 0 )
						newDepth--;
				}
				// Update the depth class.
				body.removeClass( 'menu-max-depth-' + menuMaxDepth ).addClass( 'menu-max-depth-' + newDepth );
				menuMaxDepth = newDepth;
			}
		},

		initManageLocations : function () {
			$('#menu-locations-wrap form').on( 'submit', function(){
				window.onbeforeunload = null;
			});
			$('.menu-location-menus select').on('change', function () {
				var editLink = $(this).closest('tr').find('.locations-edit-menu-link');
				if ($(this).find('option:selected').data('orig'))
					editLink.show();
				else
					editLink.hide();
			});
		},

		attachMenuEditListeners : function() {
			var that = this;
			$('#update-nav-menu').on('click', function(e) {
				if ( e.target && e.target.className ) {
					if ( -1 != e.target.className.indexOf('item-edit') ) {
						return that.eventOnClickEditLink(e.target);
					} else if ( -1 != e.target.className.indexOf('menu-save') ) {
						return that.eventOnClickMenuSave(e.target);
					} else if ( -1 != e.target.className.indexOf('menu-delete') ) {
						return that.eventOnClickMenuDelete(e.target);
					} else if ( -1 != e.target.className.indexOf('item-delete') ) {
						return that.eventOnClickMenuItemDelete(e.target);
					} else if ( -1 != e.target.className.indexOf('item-cancel') ) {
						return that.eventOnClickCancelLink(e.target);
					}
				}
			});

			$( '#menu-name' ).on( 'input', _.debounce( function () {
				var menuName = $( document.getElementById( 'menu-name' ) ),
					menuNameVal = menuName.val();

				if ( ! menuNameVal || ! menuNameVal.replace( /\s+/, '' ) ) {
					// Add warning for invalid menu name.
					menuName.parent().addClass( 'form-invalid' );
				} else {
					// Remove warning for valid menu name.
					menuName.parent().removeClass( 'form-invalid' );
				}
			}, 500 ) );

			$('#add-custom-links input[type="text"]').on( 'keypress', function(e){
				$( '#customlinkdiv' ).removeClass( 'form-invalid' );
				$( '#custom-menu-item-url' ).removeAttr( 'aria-invalid' ).removeAttr( 'aria-describedby' );
				$( '#custom-url-error' ).hide();

				if ( e.keyCode === 13 ) {
					e.preventDefault();
					$( '#submit-customlinkdiv' ).trigger( 'click' );
				}
			});

			$( '#submit-customlinkdiv' ).on( 'click', function (e) {
				var urlInput = $( '#custom-menu-item-url' ),
					url = urlInput.val().trim(),
					errorMessage = $( '#custom-url-error' ),
					urlWrap = $( '#menu-item-url-wrap' ),
					urlRegex;

				// Hide the error message initially
				errorMessage.hide();
				urlWrap.removeClass( 'has-error' );

				/*
				 * Allow URLs including:
				 * - http://example.com/
				 * - //example.com
				 * - /directory/
				 * - ?query-param
				 * - #target
				 * - mailto:foo@example.com
				 *
				 * Any further validation will be handled on the server when the setting is attempted to be saved,
				 * so this pattern does not need to be complete.
				 */
				urlRegex = /^((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#)/;
				if ( ! urlRegex.test( url ) ) {
					e.preventDefault();
					urlInput.addClass( 'form-invalid' )
						.attr( 'aria-invalid', 'true' )
						.attr( 'aria-describedby', 'custom-url-error' );

					errorMessage.show();
					var errorText = errorMessage.text();
					urlWrap.addClass( 'has-error' );
					// Announce error message via screen reader
					wp.a11y.speak( errorText, 'assertive' );
				}
			});
		},

		/**
		 * Handle toggling bulk selection checkboxes for menu items.
		 *
		 * @since 5.8.0
		 */ 
		attachBulkSelectButtonListeners : function() {
			var that = this;

			$( '.bulk-select-switcher' ).on( 'change', function() {
				if ( this.checked ) {
					$( '.bulk-select-switcher' ).prop( 'checked', true );
					that.enableBulkSelection();
				} else {
					$( '.bulk-select-switcher' ).prop( 'checked', false );
					that.disableBulkSelection();
				}
			});
		},

		/**
		 * Enable bulk selection checkboxes for menu items.
		 *
		 * @since 5.8.0
		 */ 
		enableBulkSelection : function() {
			var checkbox = $( '#menu-to-edit .menu-item-checkbox' );

			$( '#menu-to-edit' ).addClass( 'bulk-selection' );
			$( '#nav-menu-bulk-actions-top' ).addClass( 'bulk-selection' );
			$( '#nav-menu-bulk-actions-bottom' ).addClass( 'bulk-selection' );

			$.each( checkbox, function() {
				$(this).prop( 'disabled', false );
			});
		},

		/**
		 * Disable bulk selection checkboxes for menu items.
		 *
		 * @since 5.8.0
		 */ 
		disableBulkSelection : function() {
			var checkbox = $( '#menu-to-edit .menu-item-checkbox' );

			$( '#menu-to-edit' ).removeClass( 'bulk-selection' );
			$( '#nav-menu-bulk-actions-top' ).removeClass( 'bulk-selection' );
			$( '#nav-menu-bulk-actions-bottom' ).removeClass( 'bulk-selection' );

			if ( $( '.menu-items-delete' ).is( '[aria-describedby="pending-menu-items-to-delete"]' ) ) {
				$( '.menu-items-delete' ).removeAttr( 'aria-describedby' );
			}

			$.each( checkbox, function() {
				$(this).prop( 'disabled', true ).prop( 'checked', false );
			});

			$( '.menu-items-delete' ).addClass( 'disabled' );
			$( '#pending-menu-items-to-delete ul' ).empty();
		},

		/**
		 * Listen for state changes on bulk action checkboxes.
		 *
		 * @since 5.8.0
		 */ 
		attachMenuCheckBoxListeners : function() {
			var that = this;

			$( '#menu-to-edit' ).on( 'change', '.menu-item-checkbox', function() {
				that.setRemoveSelectedButtonStatus();
			});
		},

		/**
		 * Create delete button to remove menu items from collection.
		 *
		 * @since 5.8.0
		 */ 
		attachMenuItemDeleteButton : function() {
			var that = this;

			$( document ).on( 'click', '.menu-items-delete', function( e ) {
				var itemsPendingDeletion, itemsPendingDeletionList, deletionSpeech;

				e.preventDefault();

				if ( ! $(this).hasClass( 'disabled' ) ) {
					$.each( $( '.menu-item-checkbox:checked' ), function( index, element ) {
						$( element ).parents( 'li' ).find( 'a.item-delete' ).trigger( 'click' );
					});

					$( '.menu-items-delete' ).addClass( 'disabled' );
					$( '.bulk-select-switcher' ).prop( 'checked', false );

					itemsPendingDeletion     = '';
					itemsPendingDeletionList = $( '#pending-menu-items-to-delete ul li' );

					$.each( itemsPendingDeletionList, function( index, element ) {
						var itemName = $( element ).find( '.pending-menu-item-name' ).text();
						var itemSpeech = menus.menuItemDeletion.replace( '%s', itemName );

						itemsPendingDeletion += itemSpeech;
						if ( ( index + 1 ) < itemsPendingDeletionList.length ) {
							itemsPendingDeletion += ', ';
						}
					});

					deletionSpeech = menus.itemsDeleted.replace( '%s', itemsPendingDeletion );
					wp.a11y.speak( deletionSpeech, 'polite' );
					that.disableBulkSelection();
					$( '#menu-to-edit' ).updateParentDropdown();
					$( '#menu-to-edit' ).updateOrderDropdown();
				}
			});
		},

		/**
		 * List menu items awaiting deletion.
		 *
		 * @since 5.8.0
		 */ 
		attachPendingMenuItemsListForDeletion : function() {
			$( '#post-body-content' ).on( 'change', '.menu-item-checkbox', function() {
				var menuItemName, menuItemType, menuItemID, listedMenuItem;

				if ( ! $( '.menu-items-delete' ).is( '[aria-describedby="pending-menu-items-to-delete"]' ) ) {
					$( '.menu-items-delete' ).attr( 'aria-describedby', 'pending-menu-items-to-delete' );
				}

				menuItemName = $(this).next().text();
				menuItemType = $(this).parent().next( '.item-controls' ).find( '.item-type' ).text();
				menuItemID   = $(this).attr( 'data-menu-item-id' );

				listedMenuItem = $( '#pending-menu-items-to-delete ul' ).find( '[data-menu-item-id=' + menuItemID + ']' );
				if ( listedMenuItem.length > 0 ) {
					listedMenuItem.remove();
				}

				if ( this.checked === true ) {
					const $li = $( '<li>', { 'data-menu-item-id': menuItemID } );
					$li.append( $( '<span>', {
						'class': 'pending-menu-item-name',
						text: menuItemName
					} ) );
					$li.append( ' ' );
					$li.append( $( '<span>', {
						'class': 'pending-menu-item-type',
						text: '(' + menuItemType + ')',
					} ) );
					$li.append( $( '<span>', { 'class': 'separator' } ) );
					$( '#pending-menu-items-to-delete ul' ).append( $li );
				}

				$( '#pending-menu-items-to-delete li .separator' ).html( ', ' );
				$( '#pending-menu-items-to-delete li .separator' ).last().html( '.' );
			});
		},

		/**
		 * Set status of bulk delete checkbox.
		 *
		 * @since 5.8.0
		 */ 
		setBulkDeleteCheckboxStatus : function() {
			var that = this;
			var checkbox = $( '#menu-to-edit .menu-item-checkbox' );

			$.each( checkbox, function() {
				if ( $(this).prop( 'disabled' ) ) {
					$(this).prop( 'disabled', false );
				} else {
					$(this).prop( 'disabled', true );
				}

				if ( $(this).is( ':checked' ) ) {
					$(this).prop( 'checked', false );
				}
			});

			that.setRemoveSelectedButtonStatus();
		},

		/**
		 * Set status of menu items removal button.
		 *
		 * @since 5.8.0
		 */ 
		setRemoveSelectedButtonStatus : function() {
			var button = $( '.menu-items-delete' );

			if ( $( '.menu-item-checkbox:checked' ).length > 0 ) {
				button.removeClass( 'disabled' );
			} else {
				button.addClass( 'disabled' );
			}
		},

		attachMenuSaveSubmitListeners : function() {
			/*
			 * When a navigation menu is saved, store a JSON representation of all form data
			 * in a single input to avoid PHP `max_input_vars` limitations. See #14134.
			 */
			$( '#update-nav-menu' ).on( 'submit', function() {
				var navMenuData = $( '#update-nav-menu' ).serializeArray();
				$( '[name="nav-menu-data"]' ).val( JSON.stringify( navMenuData ) );
			});
		},

		attachThemeLocationsListeners : function() {
			var loc = $('#nav-menu-theme-locations'), params = {};
			params.action = 'menu-locations-save';
			params['menu-settings-column-nonce'] = $('#menu-settings-column-nonce').val();
			loc.find('input[type="submit"]').on( 'click', function() {
				loc.find('select').each(function() {
					params[this.name] = $(this).val();
				});
				loc.find( '.spinner' ).addClass( 'is-active' );
				$.post( ajaxurl, params, function() {
					loc.find( '.spinner' ).removeClass( 'is-active' );
				});
				return false;
			});
		},

		attachQuickSearchListeners : function() {
			var searchTimer;

			// Prevent form submission.
			$( '#nav-menu-meta' ).on( 'submit', function( event ) {
				event.preventDefault();
			});

			$( '#nav-menu-meta' ).on( 'input', '.quick-search', function() {
				var $this = $( this );

				$this.attr( 'autocomplete', 'off' );

				if ( searchTimer ) {
					clearTimeout( searchTimer );
				}

				searchTimer = setTimeout( function() {
					api.updateQuickSearchResults( $this );
				}, 500 );
			}).on( 'blur', '.quick-search', function() {
				api.lastSearch = '';
			});
		},

		updateQuickSearchResults : function(input) {
			var panel, params,
				minSearchLength = 1,
				q = input.val(),
				pageSearchChecklist = $( '#page-search-checklist' );

			/*
			 * Avoid a new Ajax search when the pressed key (e.g. arrows)
			 * doesn't change the searched term.
			 */
			if ( api.lastSearch == q ) {
				return;
			}

			/*
			 * Reset results when search is less than or equal to 
			 * minimum characters for searched term.
			 */
			if ( q.length <= minSearchLength ) {
				pageSearchChecklist.empty();
				wp.a11y.speak( wp.i18n.__( 'Search results cleared' ) );
				return;
			}

			api.lastSearch = q;

			panel = input.parents('.tabs-panel');
			params = {
				'action': 'menu-quick-search',
				'response-format': 'markup',
				'menu': $('#menu').val(),
				'menu-settings-column-nonce': $('#menu-settings-column-nonce').val(),
				'q': q,
				'type': input.attr('name')
			};

			$( '.spinner', panel ).addClass( 'is-active' );

			$.post( ajaxurl, params, function(menuMarkup) {
				api.processQuickSearchQueryResponse(menuMarkup, params, panel);
			});
		},

		addCustomLink : function( processMethod ) {
			var url = $('#custom-menu-item-url').val().toString(),
				label = $('#custom-menu-item-name').val(),
				urlRegex;

			if ( '' !== url ) {
				url = url.trim();
			}

			processMethod = processMethod || api.addMenuItemToBottom;

			/*
			 * Allow URLs including:
			 * - http://example.com/
			 * - //example.com
			 * - /directory/
			 * - ?query-param
			 * - #target
			 * - mailto:foo@example.com
			 *
			 * Any further validation will be handled on the server when the setting is attempted to be saved,
			 * so this pattern does not need to be complete.
			 */
			urlRegex = /^((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#)/;
			if ( ! urlRegex.test( url ) ) {
				$('#customlinkdiv').addClass('form-invalid');
				return false;
			}

			// Show the Ajax spinner.
			$( '.customlinkdiv .spinner' ).addClass( 'is-active' );
			this.addLinkToMenu( url, label, processMethod, function() {
				// Remove the Ajax spinner.
				$( '.customlinkdiv .spinner' ).removeClass( 'is-active' );
				// Set custom link form back to defaults.
				$('#custom-menu-item-name').val('').trigger( 'blur' );
				$( '#custom-menu-item-url' ).val( '' ).attr( 'placeholder', 'https://' );
			});
		},

		addLinkToMenu : function(url, label, processMethod, callback) {
			processMethod = processMethod || api.addMenuItemToBottom;
			callback = callback || function(){};

			api.addItemToMenu({
				'-1': {
					'menu-item-type': 'custom',
					'menu-item-url': url,
					'menu-item-title': label
				}
			}, processMethod, callback);
		},

		addItemToMenu : function(menuItem, processMethod, callback) {
			var menu = $('#menu').val(),
				nonce = $('#menu-settings-column-nonce').val(),
				params;

			processMethod = processMethod || function(){};
			callback = callback || function(){};

			params = {
				'action': 'add-menu-item',
				'menu': menu,
				'menu-settings-column-nonce': nonce,
				'menu-item': menuItem
			};

			$.post( ajaxurl, params, function(menuMarkup) {
				var ins = $('#menu-instructions');

				menuMarkup = menuMarkup || '';
				menuMarkup = menuMarkup.toString().trim(); // Trim leading whitespaces.
				processMethod(menuMarkup, params);

				// Make it stand out a bit more visually, by adding a fadeIn.
				$( 'li.pending' ).hide().fadeIn('slow');
				$( '.drag-instructions' ).show();
				if( ! ins.hasClass( 'menu-instructions-inactive' ) && ins.siblings().length )
					ins.addClass( 'menu-instructions-inactive' );

				callback();
			});
		},

		/**
		 * Process the add menu item request response into menu list item. Appends to menu.
		 *
		 * @param {string} menuMarkup The text server response of menu item markup.
		 *
		 * @fires document#menu-item-added Passes menuMarkup as a jQuery object.
		 */
		addMenuItemToBottom : function( menuMarkup ) {
			var $menuMarkup = $( menuMarkup );
			$menuMarkup.hideAdvancedMenuItemFields().appendTo( api.targetList );
			api.refreshKeyboardAccessibility();
			api.refreshAdvancedAccessibility();
			wp.a11y.speak( menus.itemAdded );
			$( document ).trigger( 'menu-item-added', [ $menuMarkup ] );
		},

		/**
		 * Process the add menu item request response into menu list item. Prepends to menu.
		 *
		 * @param {string} menuMarkup The text server response of menu item markup.
		 *
		 * @fires document#menu-item-added Passes menuMarkup as a jQuery object.
		 */
		addMenuItemToTop : function( menuMarkup ) {
			var $menuMarkup = $( menuMarkup );
			$menuMarkup.hideAdvancedMenuItemFields().prependTo( api.targetList );
			api.refreshKeyboardAccessibility();
			api.refreshAdvancedAccessibility();
			wp.a11y.speak( menus.itemAdded );
			$( document ).trigger( 'menu-item-added', [ $menuMarkup ] );
		},

		attachUnsavedChangesListener : function() {
			$('#menu-management input, #menu-management select, #menu-management, #menu-management textarea, .menu-location-menus select').on( 'change', function(){
				api.registerChange();
			});

			if ( 0 !== $('#menu-to-edit').length || 0 !== $('.menu-location-menus select').length ) {
				window.onbeforeunload = function(){
					if ( api.menusChanged )
						return wp.i18n.__( 'The changes you made will be lost if you navigate away from this page.' );
				};
			} else {
				// Make the post boxes read-only, as they can't be used yet.
				$( '#menu-settings-column' ).find( 'input,select' ).end().find( 'a' ).attr( 'href', '#' ).off( 'click' );
			}
		},

		registerChange : function() {
			api.menusChanged = true;
		},

		attachTabsPanelListeners : function() {
			$('#menu-settings-column').on('click', function(e) {
				var selectAreaMatch, selectAll, panelId, wrapper, items,
					target = $(e.target);

				if ( target.hasClass('nav-tab-link') ) {

					panelId = target.data( 'type' );

					wrapper = target.parents('.accordion-section-content').first();

					// Upon changing tabs, we want to uncheck all checkboxes.
					$( 'input', wrapper ).prop( 'checked', false );

					$('.tabs-panel-active', wrapper).removeClass('tabs-panel-active').addClass('tabs-panel-inactive');
					$('#' + panelId, wrapper).removeClass('tabs-panel-inactive').addClass('tabs-panel-active');

					$('.tabs', wrapper).removeClass('tabs');
					target.parent().addClass('tabs');

					// Select the search bar.
					$('.quick-search', wrapper).trigger( 'focus' );

					// Hide controls in the search tab if no items found.
					if ( ! wrapper.find( '.tabs-panel-active .menu-item-title' ).length ) {
						wrapper.addClass( 'has-no-menu-item' );
					} else {
						wrapper.removeClass( 'has-no-menu-item' );
					}

					e.preventDefault();
				} else if ( target.hasClass( 'select-all' ) ) {
					selectAreaMatch = target.closest( '.button-controls' ).data( 'items-type' );
					if ( selectAreaMatch ) {
						items = $( '#' + selectAreaMatch + ' .tabs-panel-active .menu-item-title input' );

						if ( items.length === items.filter( ':checked' ).length && ! target.is( ':checked' ) ) {
							items.prop( 'checked', false );
						} else if ( target.is( ':checked' ) ) {
							items.prop( 'checked', true );
						}
					}
				} else if ( target.hasClass( 'menu-item-checkbox' ) ) {
					selectAreaMatch = target.closest( '.tabs-panel-active' ).parent().attr( 'id' );
					if ( selectAreaMatch ) {
						items     = $( '#' + selectAreaMatch + ' .tabs-panel-active .menu-item-title input' );
						selectAll = $( '.button-controls[data-items-type="' + selectAreaMatch + '"] .select-all' );

						if ( items.length === items.filter( ':checked' ).length && ! selectAll.is( ':checked' ) ) {
							selectAll.prop( 'checked', true );
						} else if ( selectAll.is( ':checked' ) ) {
							selectAll.prop( 'checked', false );
						}
					}
				} else if ( target.hasClass('submit-add-to-menu') ) {
					api.registerChange();

					if ( e.target.id && 'submit-customlinkdiv' == e.target.id )
						api.addCustomLink( api.addMenuItemToBottom );
					else if ( e.target.id && -1 != e.target.id.indexOf('submit-') )
						$('#' + e.target.id.replace(/submit-/, '')).addSelectedToMenu( api.addMenuItemToBottom );
					return false;
				}
			});

			/*
			 * Delegate the `click` event and attach it just to the pagination
			 * links thus excluding the current page `<span>`. See ticket #35577.
			 */
			$( '#nav-menu-meta' ).on( 'click', 'a.page-numbers', function() {
				var $container = $( this ).closest( '.inside' );

				$.post( ajaxurl, this.href.replace( /.*\?/, '' ).replace( /action=([^&]*)/, '' ) + '&action=menu-get-metabox',
					function( resp ) {
						var metaBoxData = JSON.parse( resp ),
							toReplace;

						if ( -1 === resp.indexOf( 'replace-id' ) ) {
							return;
						}

						// Get the post type menu meta box to update.
						toReplace = document.getElementById( metaBoxData['replace-id'] );

						if ( ! metaBoxData.markup || ! toReplace ) {
							return;
						}

						// Update the post type menu meta box with new content from the response.
						$container.html( metaBoxData.markup );
					}
				);

				return false;
			});
		},

		eventOnClickEditLink : function(clickedEl) {
			var settings, item,
			matchedSection = /#(.*)$/.exec(clickedEl.href);

			if ( matchedSection && matchedSection[1] ) {
				settings = $('#'+matchedSection[1]);
				item = settings.parent();
				if( 0 !== item.length ) {
					if( item.hasClass('menu-item-edit-inactive') ) {
						if( ! settings.data('menu-item-data') ) {
							settings.data( 'menu-item-data', settings.getItemData() );
						}
						settings.slideDown('fast');
						item.removeClass('menu-item-edit-inactive')
							.addClass('menu-item-edit-active');
					} else {
						settings.slideUp('fast');
						item.removeClass('menu-item-edit-active')
							.addClass('menu-item-edit-inactive');
					}
					return false;
				}
			}
		},

		eventOnClickCancelLink : function(clickedEl) {
			var settings = $( clickedEl ).closest( '.menu-item-settings' ),
				thisMenuItem = $( clickedEl ).closest( '.menu-item' );

			thisMenuItem.removeClass( 'menu-item-edit-active' ).addClass( 'menu-item-edit-inactive' );
			settings.setItemData( settings.data( 'menu-item-data' ) ).hide();
			// Restore the title of the currently active/expanded menu item.
			thisMenuItem.find( '.menu-item-title' ).text( settings.data( 'menu-item-data' )['menu-item-title'] );

			return false;
		},

		eventOnClickMenuSave : function() {
			var menuName = $('#menu-name'),
				menuNameVal = menuName.val();

			// Cancel and warn if invalid menu name.
			if ( ! menuNameVal || ! menuNameVal.replace( /\s+/, '' ) ) {
				menuName.parent().addClass( 'form-invalid' );
				return false;
			}
			// Copy menu theme locations.
			// Note: This appears to be dead code since #nav-menu-theme-locations no longer exists, perhaps removed in r32842.
			var $updateNavMenu = $('#update-nav-menu');
			$('#nav-menu-theme-locations select').each(function() {
				$updateNavMenu.append(
					$( '<input>', {
						type: 'hidden',
						name: this.name,
						value: $( this ).val(),
					} )
				);
			});
			// Update menu item position data.
			api.menuList.find('.menu-item-data-position').val( function(index) { return index + 1; } );
			window.onbeforeunload = null;

			return true;
		},

		eventOnClickMenuDelete : function() {
			// Delete warning AYS.
			if ( window.confirm( wp.i18n.__( 'You are about to permanently delete this menu.\n\'Cancel\' to stop, \'OK\' to delete.' ) ) ) {
				window.onbeforeunload = null;
				return true;
			}
			return false;
		},

		eventOnClickMenuItemDelete : function(clickedEl) {
			var itemID = parseInt(clickedEl.id.replace('delete-', ''), 10);

			api.removeMenuItem( $('#menu-item-' + itemID) );
			api.registerChange();
			return false;
		},

		/**
		 * Process the quick search response into a search result
		 *
		 * @param string resp The server response to the query.
		 * @param object req The request arguments.
		 * @param jQuery panel The tabs panel we're searching in.
		 */
		processQuickSearchQueryResponse : function(resp, req, panel) {
			var matched, newID,
			takenIDs = {},
			form = document.getElementById('nav-menu-meta'),
			pattern = /menu-item[(\[^]\]*/,
			$items = $('<div>').html(resp).find('li'),
			wrapper = panel.closest( '.accordion-section-content' ),
			selectAll = wrapper.find( '.button-controls .select-all' ),
			$item;

			if( ! $items.length ) {
				let noResults = wp.i18n.__( 'No results found.' );
				const li = $( '<li>' );
				const p = $( '<p>', { text: noResults } );
				li.append( p );
				$('.categorychecklist', panel).empty().append( li );
				$( '.spinner', panel ).removeClass( 'is-active' );
				wrapper.addClass( 'has-no-menu-item' );
				wp.a11y.speak( noResults, 'assertive' );
				return;
			}

			$items.each(function(){
				$item = $(this);

				// Make a unique DB ID number.
				matched = pattern.exec($item.html());

				if ( matched && matched[1] ) {
					newID = matched[1];
					while( form.elements['menu-item[' + newID + '][menu-item-type]'] || takenIDs[ newID ] ) {
						newID--;
					}

					takenIDs[newID] = true;
					if ( newID != matched[1] ) {
						$item.html( $item.html().replace(new RegExp(
							'menu-item\\[' + matched[1] + '\\]', 'g'),
							'menu-item[' + newID + ']'
						) );
					}
				}
			});

			$('.categorychecklist', panel).html( $items );
			wp.a11y.speak( wp.i18n.sprintf( wp.i18n.__( '%d Search Results Found' ), $items.length ), 'assertive' );
			$( '.spinner', panel ).removeClass( 'is-active' );
			wrapper.removeClass( 'has-no-menu-item' );

			if ( selectAll.is( ':checked' ) ) {
				selectAll.prop( 'checked', false );
			}
		},

		/**
		 * Remove a menu item.
		 *
		 * @param {Object} el The element to be removed as a jQuery object.
		 *
		 * @fires document#menu-removing-item Passes the element to be removed.
		 */
		removeMenuItem : function(el) {
			var children = el.childMenuItems();

			$( document ).trigger( 'menu-removing-item', [ el ] );
			el.addClass('deleting').animate({
					opacity : 0,
					height: 0
				}, 350, function() {
					var ins = $('#menu-instructions');
					el.remove();
					children.shiftDepthClass( -1 ).updateParentMenuItemDBId();
					if ( 0 === $( '#menu-to-edit li' ).length ) {
						$( '.drag-instructions' ).hide();
						ins.removeClass( 'menu-instructions-inactive' );
					}
					api.refreshAdvancedAccessibility();
					wp.a11y.speak( menus.itemRemoved );
					$( '#menu-to-edit' ).updateParentDropdown();
					$( '#menu-to-edit' ).updateOrderDropdown();
				});
		},

		depthToPx : function(depth) {
			return depth * api.options.menuItemDepthPerLevel;
		},

		pxToDepth : function(px) {
			return Math.floor(px / api.options.menuItemDepthPerLevel);
		}

	};

	$( function() {

		wpNavMenu.init();

		// Prevent focused element from being hidden by the sticky footer.
		$( '.menu-edit a, .menu-edit button, .menu-edit input, .menu-edit textarea, .menu-edit select' ).on('focus', function() {
			if ( window.innerWidth >= 783 ) {
				var navMenuHeight = $( '#nav-menu-footer' ).height() + 20;
				var bottomOffset = $(this).offset().top - ( $(window).scrollTop() + $(window).height() - $(this).height() );

				if ( bottomOffset > 0 ) {
					bottomOffset = 0;
				}
				bottomOffset = bottomOffset * -1;

				if( bottomOffset < navMenuHeight ) {
					var scrollTop = $(document).scrollTop();
					$(document).scrollTop( scrollTop + ( navMenuHeight - bottomOffset ) );
				}
			}
		});
	});

	// Show bulk action.
	$( document ).on( 'menu-item-added', function() {
		if ( ! $( '.bulk-actions' ).is( ':visible' ) ) {
			$( '.bulk-actions' ).show();
		}
	} );

	// Hide bulk action.
	$( document ).on( 'menu-removing-item', function( e, el ) {
		var menuElement = $( el ).parents( '#menu-to-edit' );
		if ( menuElement.find( 'li' ).length === 1 && $( '.bulk-actions' ).is( ':visible' ) ) {
			$( '.bulk-actions' ).hide();
		}
	} );

})(jQuery);
PK       ! ��Gc  c    site-icon.jsnu �[���        /**
 * Handle the site icon setting in options-general.php.
 *
 * @since 6.5.0
 * @output wp-admin/js/site-icon.js
 */

/* global jQuery, wp */

( function ( $ ) {
	var $chooseButton = $( '#choose-from-library-button' ),
		$iconPreview = $( '#site-icon-preview' ),
		$browserIconPreview = $( '#browser-icon-preview' ),
		$appIconPreview = $( '#app-icon-preview' ),
		$hiddenDataField = $( '#site_icon_hidden_field' ),
		$removeButton = $( '#js-remove-site-icon' ),
		frame;

	/**
	 * Calculate image selection options based on the attachment dimensions.
	 *
	 * @since 6.5.0
	 *
	 * @param {Object} attachment The attachment object representing the image.
	 * @return {Object} The image selection options.
	 */
	function calculateImageSelectOptions( attachment ) {
		var realWidth = attachment.get( 'width' ),
			realHeight = attachment.get( 'height' ),
			xInit = 512,
			yInit = 512,
			ratio = xInit / yInit,
			xImg = xInit,
			yImg = yInit,
			x1,
			y1,
			imgSelectOptions;

		if ( realWidth / realHeight > ratio ) {
			yInit = realHeight;
			xInit = yInit * ratio;
		} else {
			xInit = realWidth;
			yInit = xInit / ratio;
		}

		x1 = ( realWidth - xInit ) / 2;
		y1 = ( realHeight - yInit ) / 2;

		imgSelectOptions = {
			aspectRatio: xInit + ':' + yInit,
			handles: true,
			keys: true,
			instance: true,
			persistent: true,
			imageWidth: realWidth,
			imageHeight: realHeight,
			minWidth: xImg > xInit ? xInit : xImg,
			minHeight: yImg > yInit ? yInit : yImg,
			x1: x1,
			y1: y1,
			x2: xInit + x1,
			y2: yInit + y1,
		};

		return imgSelectOptions;
	}

	/**
	 * Initializes the media frame for selecting or cropping an image.
	 *
	 * @since 6.5.0
	 */
	$chooseButton.on( 'click', function () {
		var $el = $( this );

		// Create the media frame.
		frame = wp.media( {
			button: {
				// Set the text of the button.
				text: $el.data( 'update' ),

				// Don't close, we might need to crop.
				close: false,
			},
			states: [
				new wp.media.controller.Library( {
					title: $el.data( 'choose-text' ),
					library: wp.media.query( { type: 'image' } ),
					date: false,
					suggestedWidth: $el.data( 'size' ),
					suggestedHeight: $el.data( 'size' ),
				} ),
				new wp.media.controller.SiteIconCropper( {
					control: {
						params: {
							width: $el.data( 'size' ),
							height: $el.data( 'size' ),
						},
					},
					imgSelectOptions: calculateImageSelectOptions,
				} ),
			],
		} );

		frame.on( 'cropped', function ( attachment ) {
			$hiddenDataField.val( attachment.id );
			switchToUpdate( attachment );
			frame.close();

			// Start over with a frame that is so fresh and so clean clean.
			frame = null;
		} );

		// When an image is selected, run a callback.
		frame.on( 'select', function () {
			// Grab the selected attachment.
			var attachment = frame.state().get( 'selection' ).first();

			if (
				attachment.attributes.height === $el.data( 'size' ) &&
				$el.data( 'size' ) === attachment.attributes.width
			) {
				switchToUpdate( attachment.attributes );
				frame.close();

				// Set the value of the hidden input to the attachment id.
				$hiddenDataField.val( attachment.id );
			} else {
				frame.setState( 'cropper' );
			}
		} );

		frame.open();
	} );

	/**
	 * Update the UI when a site icon is selected.
	 *
	 * @since 6.5.0
	 *
	 * @param {array} attributes The attributes for the attachment.
	 */
	function switchToUpdate( attributes ) {
		var i18nAppAlternativeString, i18nBrowserAlternativeString;

		if ( attributes.alt ) {
			i18nAppAlternativeString = wp.i18n.sprintf(
				/* translators: %s: The selected image alt text. */
				wp.i18n.__( 'App icon preview: Current image: %s' ),
				attributes.alt
			);
			i18nBrowserAlternativeString = wp.i18n.sprintf(
				/* translators: %s: The selected image alt text. */
				wp.i18n.__( 'Browser icon preview: Current image: %s' ),
				attributes.alt
			);
		} else {
			i18nAppAlternativeString = wp.i18n.sprintf(
				/* translators: %s: The selected image filename. */
				wp.i18n.__(
					'App icon preview: The current image has no alternative text. The file name is: %s'
				),
				attributes.filename
			);
			i18nBrowserAlternativeString = wp.i18n.sprintf(
				/* translators: %s: The selected image filename. */
				wp.i18n.__(
					'Browser icon preview: The current image has no alternative text. The file name is: %s'
				),
				attributes.filename
			);
		}

		// Set site-icon-img src and alternative text to app icon preview.
		$appIconPreview.attr( {
			src: attributes.url,
			alt: i18nAppAlternativeString,
		} );

		// Set site-icon-img src and alternative text to browser preview.
		$browserIconPreview.attr( {
			src: attributes.url,
			alt: i18nBrowserAlternativeString,
		} );

		// Remove hidden class from icon preview div and remove button.
		$iconPreview.removeClass( 'hidden' );
		$removeButton.removeClass( 'hidden' );

		// Set the global CSS variable for --site-icon-url to the selected image URL.
		document.documentElement.style.setProperty(
			'--site-icon-url',
			'url(' + attributes.url + ')'
		);

		// If the choose button is not in the update state, swap the classes.
		if ( $chooseButton.attr( 'data-state' ) !== '1' ) {
			$chooseButton.attr( {
				class: $chooseButton.attr( 'data-alt-classes' ),
				'data-alt-classes': $chooseButton.attr( 'class' ),
				'data-state': '1',
			} );
		}

		// Swap the text of the choose button.
		$chooseButton.text( $chooseButton.attr( 'data-update-text' ) );
	}

	/**
	 * Handles the click event of the remove button.
	 *
	 * @since 6.5.0
	 */
	$removeButton.on( 'click', function () {
		$hiddenDataField.val( 'false' );
		$( this ).toggleClass( 'hidden' );
		$iconPreview.toggleClass( 'hidden' );
		$browserIconPreview.attr( {
			src: '',
			alt: '',
		} );
		$appIconPreview.attr( {
			src: '',
			alt: '',
		} );

		/**
		 * Resets state to the button, for correct visual style and state.
		 * Updates the text of the button.
		 * Sets focus state to the button.
		 */
		$chooseButton
			.attr( {
				class: $chooseButton.attr( 'data-alt-classes' ),
				'data-alt-classes': $chooseButton.attr( 'class' ),
				'data-state': '',
			} )
			.text( $chooseButton.attr( 'data-choose-text' ) )
			.trigger( 'focus' );
	} );
} )( jQuery );
PK       ! ��\n&�  &�    post.jsnu �[���        /**
 * @file Contains all dynamic functionality needed on post and term pages.
 *
 * @output wp-admin/js/post.js
 */

 /* global ajaxurl, wpAjax, postboxes, pagenow, tinymce, alert, deleteUserSetting, ClipboardJS */
 /* global theList:true, theExtraList:true, getUserSetting, setUserSetting, commentReply, commentsBox */
 /* global WPSetThumbnailHTML, wptitlehint */

// Backward compatibility: prevent fatal errors.
window.makeSlugeditClickable = window.editPermalink = function(){};

// Make sure the wp object exists.
window.wp = window.wp || {};

( function( $ ) {
	var titleHasFocus = false,
		__ = wp.i18n.__;

	/**
	 * Control loading of comments on the post and term edit pages.
	 *
	 * @type {{st: number, get: commentsBox.get, load: commentsBox.load}}
	 *
	 * @namespace commentsBox
	 */
	window.commentsBox = {
		// Comment offset to use when fetching new comments.
		st : 0,

		/**
		 * Fetch comments using Ajax and display them in the box.
		 *
		 * @memberof commentsBox
		 *
		 * @param {number} total Total number of comments for this post.
		 * @param {number} num   Optional. Number of comments to fetch, defaults to 20.
		 * @return {boolean} Always returns false.
		 */
		get : function(total, num) {
			var st = this.st, data;
			if ( ! num )
				num = 20;

			this.st += num;
			this.total = total;
			$( '#commentsdiv .spinner' ).addClass( 'is-active' );

			data = {
				'action' : 'get-comments',
				'mode' : 'single',
				'_ajax_nonce' : $('#add_comment_nonce').val(),
				'p' : $('#post_ID').val(),
				'start' : st,
				'number' : num
			};

			$.post(
				ajaxurl,
				data,
				function(r) {
					r = wpAjax.parseAjaxResponse(r);
					$('#commentsdiv .widefat').show();
					$( '#commentsdiv .spinner' ).removeClass( 'is-active' );

					if ( 'object' == typeof r && r.responses[0] ) {
						$('#the-comment-list').append( r.responses[0].data );

						theList = theExtraList = null;
						$( 'a[className*=\':\']' ).off();

						// If the offset is over the total number of comments we cannot fetch any more, so hide the button.
						if ( commentsBox.st > commentsBox.total )
							$('#show-comments').hide();
						else
							$('#show-comments').show().children('a').text( __( 'Show more comments' ) );

						return;
					} else if ( 1 == r ) {
						$('#show-comments').text( __( 'No more comments found.' ) );
						return;
					}

					$('#the-comment-list').append('<tr><td colspan="2">'+wpAjax.broken+'</td></tr>');
				}
			);

			return false;
		},

		/**
		 * Load the next batch of comments.
		 *
		 * @memberof commentsBox
		 *
		 * @param {number} total Total number of comments to load.
		 */
		load: function(total){
			this.st = jQuery('#the-comment-list tr.comment:visible').length;
			this.get(total);
		}
	};

	/**
	 * Overwrite the content of the Featured Image postbox
	 *
	 * @param {string} html New HTML to be displayed in the content area of the postbox.
	 *
	 * @global
	 */
	window.WPSetThumbnailHTML = function(html){
		$('.inside', '#postimagediv').html(html);
	};

	/**
	 * Set the Image ID of the Featured Image
	 *
	 * @param {number} id The post_id of the image to use as Featured Image.
	 *
	 * @global
	 */
	window.WPSetThumbnailID = function(id){
		var field = $('input[value="_thumbnail_id"]', '#list-table');
		if ( field.length > 0 ) {
			$('#meta\\[' + field.attr('id').match(/[0-9]+/) + '\\]\\[value\\]').text(id);
		}
	};

	/**
	 * Remove the Featured Image
	 *
	 * @param {string} nonce Nonce to use in the request.
	 *
	 * @global
	 */
	window.WPRemoveThumbnail = function(nonce){
		$.post(
			ajaxurl, {
				action: 'set-post-thumbnail',
				post_id: $( '#post_ID' ).val(),
				thumbnail_id: -1,
				_ajax_nonce: nonce,
				cookie: encodeURIComponent( document.cookie )
			},
			/**
			 * Handle server response
			 *
			 * @param {string} str Response, will be '0' when an error occurred otherwise contains link to add Featured Image.
			 */
			function(str){
				if ( str == '0' ) {
					alert( __( 'Could not set that as the thumbnail image. Try a different attachment.' ) );
				} else {
					WPSetThumbnailHTML(str);
				}
			}
		);
	};

	/**
	 * Heartbeat locks.
	 *
	 * Used to lock editing of an object by only one user at a time.
	 *
	 * When the user does not send a heartbeat in a heartbeat-time
	 * the user is no longer editing and another user can start editing.
	 */
	$(document).on( 'heartbeat-send.refresh-lock', function( e, data ) {
		var lock = $('#active_post_lock').val(),
			post_id = $('#post_ID').val(),
			send = {};

		if ( ! post_id || ! $('#post-lock-dialog').length )
			return;

		send.post_id = post_id;

		if ( lock )
			send.lock = lock;

		data['wp-refresh-post-lock'] = send;

	}).on( 'heartbeat-tick.refresh-lock', function( e, data ) {
		// Post locks: update the lock string or show the dialog if somebody has taken over editing.
		var received, wrap, avatar;

		if ( data['wp-refresh-post-lock'] ) {
			received = data['wp-refresh-post-lock'];

			if ( received.lock_error ) {
				// Show "editing taken over" message.
				wrap = $('#post-lock-dialog');

				if ( wrap.length && ! wrap.is(':visible') ) {
					if ( wp.autosave ) {
						// Save the latest changes and disable.
						$(document).one( 'heartbeat-tick', function() {
							wp.autosave.server.suspend();
							wrap.removeClass('saving').addClass('saved');
							$(window).off( 'beforeunload.edit-post' );
						});

						wrap.addClass('saving');
						wp.autosave.server.triggerSave();
					}

					if ( received.lock_error.avatar_src ) {
						avatar = $( '<img />', {
							'class': 'avatar avatar-64 photo',
							width: 64,
							height: 64,
							alt: '',
							src: received.lock_error.avatar_src,
							srcset: received.lock_error.avatar_src_2x ?
								received.lock_error.avatar_src_2x + ' 2x' :
								undefined
						} );
						wrap.find('div.post-locked-avatar').empty().append( avatar );
					}

					wrap.show().find('.currently-editing').text( received.lock_error.text );
					wrap.find('.wp-tab-first').trigger( 'focus' );
				}
			} else if ( received.new_lock ) {
				$('#active_post_lock').val( received.new_lock );
			}
		}
	}).on( 'before-autosave.update-post-slug', function() {
		titleHasFocus = document.activeElement && document.activeElement.id === 'title';
	}).on( 'after-autosave.update-post-slug', function() {

		/*
		 * Create slug area only if not already there
		 * and the title field was not focused (user was not typing a title) when autosave ran.
		 */
		if ( ! $('#edit-slug-box > *').length && ! titleHasFocus ) {
			$.post( ajaxurl, {
					action: 'sample-permalink',
					post_id: $('#post_ID').val(),
					new_title: $('#title').val(),
					samplepermalinknonce: $('#samplepermalinknonce').val()
				},
				function( data ) {
					if ( data != '-1' ) {
						$('#edit-slug-box').html(data);
					}
				}
			);
		}
	});

}(jQuery));

/**
 * Heartbeat refresh nonces.
 */
(function($) {
	var check, timeout;

	/**
	 * Only allow to check for nonce refresh every 30 seconds.
	 */
	function schedule() {
		check = false;
		window.clearTimeout( timeout );
		timeout = window.setTimeout( function(){ check = true; }, 300000 );
	}

	$( function() {
		schedule();
	}).on( 'heartbeat-send.wp-refresh-nonces', function( e, data ) {
		var post_id,
			$authCheck = $('#wp-auth-check-wrap');

		if ( check || ( $authCheck.length && ! $authCheck.hasClass( 'hidden' ) ) ) {
			if ( ( post_id = $('#post_ID').val() ) && $('#_wpnonce').val() ) {
				data['wp-refresh-post-nonces'] = {
					post_id: post_id
				};
			}
		}
	}).on( 'heartbeat-tick.wp-refresh-nonces', function( e, data ) {
		var nonces = data['wp-refresh-post-nonces'];

		if ( nonces ) {
			schedule();

			if ( nonces.replace ) {
				$.each( nonces.replace, function( selector, value ) {
					$( '#' + selector ).val( value );
				});
			}

			if ( nonces.heartbeatNonce )
				window.heartbeatSettings.nonce = nonces.heartbeatNonce;
		}
	});
}(jQuery));

/**
 * All post and postbox controls and functionality.
 */
jQuery( function($) {
	var stamp, visibility, $submitButtons, updateVisibility, updateText,
		$textarea = $('#content'),
		$document = $(document),
		postId = $('#post_ID').val() || 0,
		$submitpost = $('#submitpost'),
		releaseLock = true,
		$postVisibilitySelect = $('#post-visibility-select'),
		$timestampdiv = $('#timestampdiv'),
		$postStatusSelect = $('#post-status-select'),
		isMac = window.navigator.platform ? window.navigator.platform.indexOf( 'Mac' ) !== -1 : false,
		copyAttachmentURLClipboard = new ClipboardJS( '.copy-attachment-url.edit-media' ),
		copyAttachmentURLSuccessTimeout,
		__ = wp.i18n.__, _x = wp.i18n._x;

	postboxes.add_postbox_toggles(pagenow);

	/*
	 * Clear the window name. Otherwise if this is a former preview window where the user navigated to edit another post,
	 * and the first post is still being edited, clicking Preview there will use this window to show the preview.
	 */
	window.name = '';

	// Post locks: contain focus inside the dialog. If the dialog is shown, focus the first item.
	$('#post-lock-dialog .notification-dialog').on( 'keydown', function(e) {
		// Don't do anything when [Tab] is pressed.
		if ( e.which != 9 )
			return;

		var target = $(e.target);

		// [Shift] + [Tab] on first tab cycles back to last tab.
		if ( target.hasClass('wp-tab-first') && e.shiftKey ) {
			$(this).find('.wp-tab-last').trigger( 'focus' );
			e.preventDefault();
		// [Tab] on last tab cycles back to first tab.
		} else if ( target.hasClass('wp-tab-last') && ! e.shiftKey ) {
			$(this).find('.wp-tab-first').trigger( 'focus' );
			e.preventDefault();
		}
	}).filter(':visible').find('.wp-tab-first').trigger( 'focus' );

	// Set the heartbeat interval to 10 seconds if post lock dialogs are enabled.
	if ( wp.heartbeat && $('#post-lock-dialog').length ) {
		wp.heartbeat.interval( 10 );
	}

	// The form is being submitted by the user.
	$submitButtons = $submitpost.find( ':submit, a.submitdelete, #post-preview' ).on( 'click.edit-post', function( event ) {
		var $button = $(this);

		if ( $button.hasClass('disabled') ) {
			event.preventDefault();
			return;
		}

		if ( $button.hasClass('submitdelete') || $button.is( '#post-preview' ) ) {
			return;
		}

		// The form submission can be blocked from JS or by using HTML 5.0 validation on some fields.
		// Run this only on an actual 'submit'.
		$('form#post').off( 'submit.edit-post' ).on( 'submit.edit-post', function( event ) {
			if ( event.isDefaultPrevented() ) {
				return;
			}

			// Stop auto save.
			if ( wp.autosave ) {
				wp.autosave.server.suspend();
			}

			if ( typeof commentReply !== 'undefined' ) {
				/*
				 * Warn the user they have an unsaved comment before submitting
				 * the post data for update.
				 */
				if ( ! commentReply.discardCommentChanges() ) {
					return false;
				}

				/*
				 * Close the comment edit/reply form if open to stop the form
				 * action from interfering with the post's form action.
				 */
				commentReply.close();
			}

			releaseLock = false;
			$(window).off( 'beforeunload.edit-post' );

			$submitButtons.addClass( 'disabled' );

			if ( $button.attr('id') === 'publish' ) {
				$submitpost.find( '#major-publishing-actions .spinner' ).addClass( 'is-active' );
			} else {
				$submitpost.find( '#minor-publishing .spinner' ).addClass( 'is-active' );
			}
		});
	});

	// Submit the form saving a draft or an autosave, and show a preview in a new tab.
	$('#post-preview').on( 'click.post-preview', function( event ) {
		var $this = $(this),
			$form = $('form#post'),
			$previewField = $('input#wp-preview'),
			target = $this.attr('target') || 'wp-preview',
			ua = navigator.userAgent.toLowerCase();

		event.preventDefault();

		if ( $this.hasClass('disabled') ) {
			return;
		}

		if ( wp.autosave ) {
			wp.autosave.server.tempBlockSave();
		}

		$previewField.val('dopreview');
		$form.attr( 'target', target ).trigger( 'submit' ).attr( 'target', '' );

		// Workaround for WebKit bug preventing a form submitting twice to the same action.
		// https://bugs.webkit.org/show_bug.cgi?id=28633
		if ( ua.indexOf('safari') !== -1 && ua.indexOf('chrome') === -1 ) {
			$form.attr( 'action', function( index, value ) {
				return value + '?t=' + ( new Date() ).getTime();
			});
		}

		$previewField.val('');
	});

	// Auto save new posts after a title is typed.
	if ( $( '#auto_draft' ).val() ) {
		$( '#title' ).on( 'blur', function() {
			var cancel;

			if ( ! this.value || $('#edit-slug-box > *').length ) {
				return;
			}

			// Cancel the auto save when the blur was triggered by the user submitting the form.
			$('form#post').one( 'submit', function() {
				cancel = true;
			});

			window.setTimeout( function() {
				if ( ! cancel && wp.autosave ) {
					wp.autosave.server.triggerSave();
				}
			}, 200 );
		});
	}

	$document.on( 'autosave-disable-buttons.edit-post', function() {
		$submitButtons.addClass( 'disabled' );
	}).on( 'autosave-enable-buttons.edit-post', function() {
		if ( ! wp.heartbeat || ! wp.heartbeat.hasConnectionError() ) {
			$submitButtons.removeClass( 'disabled' );
		}
	}).on( 'before-autosave.edit-post', function() {
		$( '.autosave-message' ).text( __( 'Saving Draft…' ) );
	}).on( 'after-autosave.edit-post', function( event, data ) {
		$( '.autosave-message' ).text( data.message );

		if ( $( document.body ).hasClass( 'post-new-php' ) ) {
			$( '.submitbox .submitdelete' ).show();
		}
	});

	/*
	 * When the user is trying to load another page, or reloads current page
	 * show a confirmation dialog when there are unsaved changes.
	 */
	$( window ).on( 'beforeunload.edit-post', function( event ) {
		var editor  = window.tinymce && window.tinymce.get( 'content' );
		var changed = false;

		if ( wp.autosave ) {
			changed = wp.autosave.server.postChanged();
		} else if ( editor ) {
			changed = ( ! editor.isHidden() && editor.isDirty() );
		}

		if ( changed ) {
			event.preventDefault();
			// The return string is needed for browser compat.
			// See https://developer.mozilla.org/en-US/docs/Web/API/Window/beforeunload_event.
			return __( 'The changes you made will be lost if you navigate away from this page.' );
		}
	}).on( 'pagehide.edit-post', function( event ) {
		if ( ! releaseLock ) {
			return;
		}

		/*
		 * Unload is triggered (by hand) on removing the Thickbox iframe.
		 * Make sure we process only the main document unload.
		 */
		if ( event.target && event.target.nodeName != '#document' ) {
			return;
		}

		var postID = $('#post_ID').val();
		var postLock = $('#active_post_lock').val();

		if ( ! postID || ! postLock ) {
			return;
		}

		var data = {
			action: 'wp-remove-post-lock',
			_wpnonce: $('#_wpnonce').val(),
			post_ID: postID,
			active_post_lock: postLock
		};

		if ( window.FormData && window.navigator.sendBeacon ) {
			var formData = new window.FormData();

			$.each( data, function( key, value ) {
				formData.append( key, value );
			});

			if ( window.navigator.sendBeacon( ajaxurl, formData ) ) {
				return;
			}
		}

		// Fall back to a synchronous POST request.
		// See https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon
		$.post({
			async: false,
			data: data,
			url: ajaxurl
		});
	});

	// Multiple taxonomies.
	if ( $('#tagsdiv-post_tag').length ) {
		window.tagBox && window.tagBox.init();
	} else {
		$('.meta-box-sortables').children('div.postbox').each(function(){
			if ( this.id.indexOf('tagsdiv-') === 0 ) {
				window.tagBox && window.tagBox.init();
				return false;
			}
		});
	}

	// Handle categories.
	$('.categorydiv').each( function(){
		var this_id = $(this).attr('id'), catAddBefore, catAddAfter, taxonomyParts, taxonomy, settingName;

		taxonomyParts = this_id.split('-');
		taxonomyParts.shift();
		taxonomy = taxonomyParts.join('-');
		settingName = taxonomy + '_tab';

		if ( taxonomy == 'category' ) {
			settingName = 'cats';
		}

		// @todo Move to jQuery 1.3+, support for multiple hierarchical taxonomies, see wp-lists.js.
		$('a', '#' + taxonomy + '-tabs').on( 'click keyup keydown', function( event ) {
			var t = $(this).attr('href');
			if ( event.type === 'keydown' && event.key === ' ' ) {
				event.preventDefault();
			}
			if ( ( event.type === 'keyup' && event.key === ' ' ) || ( event.type === 'keydown' && event.key === 'Enter' ) || event.type === 'click' ) {
				event.preventDefault();
				$('#' + taxonomy + '-tabs a').removeAttr( 'aria-selected' ).attr( 'tabindex', '-1' );
				$(this).attr( 'aria-selected', 'true' ).removeAttr( 'tabindex' );
				$(this).parent().addClass('tabs').siblings('li').removeClass('tabs');
				$('#' + taxonomy + '-tabs').siblings('.tabs-panel').hide();
				$(t).show();
				if ( '#' + taxonomy + '-all' == t ) {
					deleteUserSetting( settingName );
				} else {
					setUserSetting( settingName, 'pop' );
				}
			}
			if ( event.type === 'keyup' && ( event.key === 'ArrowRight' || event.key === 'ArrowLeft' ) ) {
				$(this).attr( 'tabindex', '-1' );
				let next = $(this).parent('li').next();
				let prev = $(this).parent('li').prev();
				if ( next.length > 0 ) {
					next.find('a').removeAttr( 'tabindex');
					next.find('a').trigger( 'focus' );
				} else {
					prev.find('a').removeAttr( 'tabindex');
					prev.find('a').trigger( 'focus' );
				}
			}
		});

		if ( getUserSetting( settingName ) )
			$('a[href="#' + taxonomy + '-pop"]', '#' + taxonomy + '-tabs').trigger( 'click' );

		// Add category button controls.
		$('#new' + taxonomy).one( 'focus', function() {
			$( this ).val( '' ).removeClass( 'form-input-tip' );
		});

		// On [Enter] submit the taxonomy.
		$('#new' + taxonomy).on( 'keypress', function(event){
			if( 13 === event.keyCode ) {
				event.preventDefault();
				$('#' + taxonomy + '-add-submit').trigger( 'click' );
			}
		});

		// After submitting a new taxonomy, re-focus the input field.
		$('#' + taxonomy + '-add-submit').on( 'click', function() {
			$('#new' + taxonomy).trigger( 'focus' );
		});

		/**
		 * Before adding a new taxonomy, disable submit button.
		 *
		 * @param {Object} s Taxonomy object which will be added.
		 *
		 * @return {Object}
		 */
		catAddBefore = function( s ) {
			if ( !$('#new'+taxonomy).val() ) {
				return false;
			}

			s.data += '&' + $( ':checked', '#'+taxonomy+'checklist' ).serialize();
			$( '#' + taxonomy + '-add-submit' ).prop( 'disabled', true );
			return s;
		};

		/**
		 * Re-enable submit button after a taxonomy has been added.
		 *
		 * Re-enable submit button.
		 * If the taxonomy has a parent place the taxonomy underneath the parent.
		 *
		 * @param {Object} r Response.
		 * @param {Object} s Taxonomy data.
		 *
		 * @return {void}
		 */
		catAddAfter = function( r, s ) {
			var sup, drop = $('#new'+taxonomy+'_parent');

			$( '#' + taxonomy + '-add-submit' ).prop( 'disabled', false );
			if ( 'undefined' != s.parsed.responses[0] && (sup = s.parsed.responses[0].supplemental.newcat_parent) ) {
				drop.before(sup);
				drop.remove();
			}
		};

		$('#' + taxonomy + 'checklist').wpList({
			alt: '',
			response: taxonomy + '-ajax-response',
			addBefore: catAddBefore,
			addAfter: catAddAfter
		});

		// Add new taxonomy button toggles input form visibility.
		$('#' + taxonomy + '-add-toggle').on( 'click', function( e ) {
			e.preventDefault();
			$('#' + taxonomy + '-adder').toggleClass( 'wp-hidden-children' );
			$('a[href="#' + taxonomy + '-all"]', '#' + taxonomy + '-tabs').trigger( 'click' );
			$('#new'+taxonomy).trigger( 'focus' );
		});

		// Sync checked items between "All {taxonomy}" and "Most used" lists.
		$('#' + taxonomy + 'checklist, #' + taxonomy + 'checklist-pop').on(
			'click',
			'li.popular-category > label input[type="checkbox"]',
			function() {
				var t = $(this), c = t.is(':checked'), id = t.val();
				if ( id && t.parents('#taxonomy-'+taxonomy).length ) {
					$('input#in-' + taxonomy + '-' + id + ', input[id^="in-' + taxonomy + '-' + id + '-"]').prop('checked', c);
					$('input#in-popular-' + taxonomy + '-' + id).prop('checked', c);
				}
			}
		);

	}); // End cats.

	// Custom Fields postbox.
	if ( $('#postcustom').length ) {
		$( '#the-list' ).wpList( {
			/**
			 * Add current post_ID to request to fetch custom fields
			 *
			 * @ignore
			 *
			 * @param {Object} s Request object.
			 *
			 * @return {Object} Data modified with post_ID attached.
			 */
			addBefore: function( s ) {
				s.data += '&post_id=' + $('#post_ID').val();
				return s;
			},
			/**
			 * Show the listing of custom fields after fetching.
			 *
			 * @ignore
			 */
			addAfter: function() {
				$('table#list-table').show();
			}
		});
	}

	/*
	 * Publish Post box (#submitdiv)
	 */
	if ( $('#submitdiv').length ) {
		stamp = $('#timestamp').html();
		visibility = $('#post-visibility-display').html();

		/**
		 * When the visibility of a post changes sub-options should be shown or hidden.
		 *
		 * @ignore
		 *
		 * @return {void}
		 */
		updateVisibility = function() {
			// Show sticky for public posts.
			if ( $postVisibilitySelect.find('input:radio:checked').val() != 'public' ) {
				$('#sticky').prop('checked', false);
				$('#sticky-span').hide();
			} else {
				$('#sticky-span').show();
			}

			// Show password input field for password protected post.
			if ( $postVisibilitySelect.find('input:radio:checked').val() != 'password' ) {
				$('#password-span').hide();
			} else {
				$('#password-span').show();
			}
		};

		/**
		 * Make sure all labels represent the current settings.
		 *
		 * @ignore
		 *
		 * @return {boolean} False when an invalid timestamp has been selected, otherwise True.
		 */
		updateText = function() {

			if ( ! $timestampdiv.length )
				return true;

			var attemptedDate, originalDate, currentDate, publishOn, postStatus = $('#post_status'),
				optPublish = $('option[value="publish"]', postStatus), aa = $('#aa').val(),
				mm = $('#mm').val(), jj = $('#jj').val(), hh = $('#hh').val(), mn = $('#mn').val();

			attemptedDate = new Date( aa, mm - 1, jj, hh, mn );
			originalDate = new Date(
				$('#hidden_aa').val(),
				$('#hidden_mm').val() -1,
				$('#hidden_jj').val(),
				$('#hidden_hh').val(),
				$('#hidden_mn').val()
			);
			currentDate = new Date(
				$('#cur_aa').val(),
				$('#cur_mm').val() -1,
				$('#cur_jj').val(),
				$('#cur_hh').val(),
				$('#cur_mn').val()
			);

			// Catch unexpected date problems.
			if (
				attemptedDate.getFullYear() != aa ||
				(1 + attemptedDate.getMonth()) != mm ||
				attemptedDate.getDate() != jj ||
				attemptedDate.getMinutes() != mn
			) {
				$timestampdiv.find('.timestamp-wrap').addClass('form-invalid');
				return false;
			} else {
				$timestampdiv.find('.timestamp-wrap').removeClass('form-invalid');
			}

			// Determine what the publish should be depending on the date and post status.
			if ( attemptedDate > currentDate ) {
				publishOn = __( 'Schedule for:' );
				$('#publish').val( _x( 'Schedule', 'post action/button label' ) );
			} else if ( attemptedDate <= currentDate && $('#original_post_status').val() != 'publish' ) {
				publishOn = __( 'Publish on:' );
				$('#publish').val( __( 'Publish' ) );
			} else {
				publishOn = __( 'Published on:' );
				$('#publish').val( __( 'Update' ) );
			}

			// If the date is the same, set it to trigger update events.
			if ( originalDate.toUTCString() == attemptedDate.toUTCString() ) {
				// Re-set to the current value.
				$('#timestamp').html(stamp);
			} else {
				$('#timestamp').html(
					'\n' + publishOn + ' <b>' +
					// translators: 1: Month, 2: Day, 3: Year, 4: Hour, 5: Minute.
					__( '%1$s %2$s, %3$s at %4$s:%5$s' )
						.replace( '%1$s', $( 'option[value="' + mm + '"]', '#mm' ).attr( 'data-text' ) )
						.replace( '%2$s', parseInt( jj, 10 ) )
						.replace( '%3$s', aa )
						.replace( '%4$s', ( '00' + hh ).slice( -2 ) )
						.replace( '%5$s', ( '00' + mn ).slice( -2 ) ) +
						'</b> '
				);
			}

			// Add "privately published" to post status when applies.
			if ( $postVisibilitySelect.find('input:radio:checked').val() == 'private' ) {
				$('#publish').val( __( 'Update' ) );
				if ( 0 === optPublish.length ) {
					postStatus.append('<option value="publish">' + __( 'Privately Published' ) + '</option>');
				} else {
					optPublish.html( __( 'Privately Published' ) );
				}
				$('option[value="publish"]', postStatus).prop('selected', true);
				$('#misc-publishing-actions .edit-post-status').hide();
			} else {
				if ( $('#original_post_status').val() == 'future' || $('#original_post_status').val() == 'draft' ) {
					if ( optPublish.length ) {
						optPublish.remove();
						postStatus.val($('#hidden_post_status').val());
					}
				} else {
					optPublish.html( __( 'Published' ) );
				}
				if ( postStatus.is(':hidden') )
					$('#misc-publishing-actions .edit-post-status').show();
			}

			// Update "Status:" to currently selected status.
			$('#post-status-display').text(
				// Remove any potential tags from post status text.
				wp.sanitize.stripTagsAndEncodeText( $('option:selected', postStatus).text() )
			);

			// Show or hide the "Save Draft" button.
			if (
				$('option:selected', postStatus).val() == 'private' ||
				$('option:selected', postStatus).val() == 'publish'
			) {
				$('#save-post').hide();
			} else {
				$('#save-post').show();
				if ( $('option:selected', postStatus).val() == 'pending' ) {
					$('#save-post').show().val( __( 'Save as Pending' ) );
				} else {
					$('#save-post').show().val( __( 'Save Draft' ) );
				}
			}
			return true;
		};

		// Show the visibility options and hide the toggle button when opened.
		$( '#visibility .edit-visibility').on( 'click', function( e ) {
			e.preventDefault();
			if ( $postVisibilitySelect.is(':hidden') ) {
				updateVisibility();
				$postVisibilitySelect.slideDown( 'fast', function() {
					$postVisibilitySelect.find( 'input[type="radio"]' ).first().trigger( 'focus' );
				} );
				$(this).hide();
			}
		});

		// Cancel visibility selection area and hide it from view.
		$postVisibilitySelect.find('.cancel-post-visibility').on( 'click', function( event ) {
			$postVisibilitySelect.slideUp('fast');
			$('#visibility-radio-' + $('#hidden-post-visibility').val()).prop('checked', true);
			$('#post_password').val($('#hidden-post-password').val());
			$('#sticky').prop('checked', $('#hidden-post-sticky').prop('checked'));
			$('#post-visibility-display').html(visibility);
			$('#visibility .edit-visibility').show().trigger( 'focus' );
			updateText();
			event.preventDefault();
		});

		// Set the selected visibility as current.
		$postVisibilitySelect.find('.save-post-visibility').on( 'click', function( event ) { // Crazyhorse branch - multiple OK cancels.
			var visibilityLabel = '', selectedVisibility = $postVisibilitySelect.find('input:radio:checked').val();

			$postVisibilitySelect.slideUp('fast');
			$('#visibility .edit-visibility').show().trigger( 'focus' );
			updateText();

			if ( 'public' !== selectedVisibility ) {
				$('#sticky').prop('checked', false);
			}

			switch ( selectedVisibility ) {
				case 'public':
					visibilityLabel = $( '#sticky' ).prop( 'checked' ) ? __( 'Public, Sticky' ) : __( 'Public' );
					break;
				case 'private':
					visibilityLabel = __( 'Private' );
					break;
				case 'password':
					visibilityLabel = __( 'Password Protected' );
					break;
			}

			$('#post-visibility-display').text( visibilityLabel );
			event.preventDefault();
		});

		// When the selection changes, update labels.
		$postVisibilitySelect.find('input:radio').on( 'change', function() {
			updateVisibility();
		});

		// Edit publish time click.
		$timestampdiv.siblings('a.edit-timestamp').on( 'click', function( event ) {
			if ( $timestampdiv.is( ':hidden' ) ) {
				$timestampdiv.slideDown( 'fast', function() {
					$( 'input, select', $timestampdiv.find( '.timestamp-wrap' ) ).first().trigger( 'focus' );
				} );
				$(this).hide();
			}
			event.preventDefault();
		});

		// Cancel editing the publish time and hide the settings.
		$timestampdiv.find('.cancel-timestamp').on( 'click', function( event ) {
			$timestampdiv.slideUp('fast').siblings('a.edit-timestamp').show().trigger( 'focus' );
			$('#mm').val($('#hidden_mm').val());
			$('#jj').val($('#hidden_jj').val());
			$('#aa').val($('#hidden_aa').val());
			$('#hh').val($('#hidden_hh').val());
			$('#mn').val($('#hidden_mn').val());
			updateText();
			event.preventDefault();
		});

		// Save the changed timestamp.
		$timestampdiv.find('.save-timestamp').on( 'click', function( event ) { // Crazyhorse branch - multiple OK cancels.
			if ( updateText() ) {
				$timestampdiv.slideUp('fast');
				$timestampdiv.siblings('a.edit-timestamp').show().trigger( 'focus' );
			}
			event.preventDefault();
		});

		// Cancel submit when an invalid timestamp has been selected.
		$('#post').on( 'submit', function( event ) {
			if ( ! updateText() ) {
				event.preventDefault();
				$timestampdiv.show();

				if ( wp.autosave ) {
					wp.autosave.enableButtons();
				}

				$( '#publishing-action .spinner' ).removeClass( 'is-active' );
			}
		});

		// Post Status edit click.
		$postStatusSelect.siblings('a.edit-post-status').on( 'click', function( event ) {
			if ( $postStatusSelect.is( ':hidden' ) ) {
				$postStatusSelect.slideDown( 'fast', function() {
					$postStatusSelect.find('select').trigger( 'focus' );
				} );
				$(this).hide();
			}
			event.preventDefault();
		});

		// Save the Post Status changes and hide the options.
		$postStatusSelect.find('.save-post-status').on( 'click', function( event ) {
			$postStatusSelect.slideUp( 'fast' ).siblings( 'a.edit-post-status' ).show().trigger( 'focus' );
			updateText();
			event.preventDefault();
		});

		// Cancel Post Status editing and hide the options.
		$postStatusSelect.find('.cancel-post-status').on( 'click', function( event ) {
			$postStatusSelect.slideUp( 'fast' ).siblings( 'a.edit-post-status' ).show().trigger( 'focus' );
			$('#post_status').val( $('#hidden_post_status').val() );
			updateText();
			event.preventDefault();
		});
	}

	/**
	 * Handle the editing of the post_name. Create the required HTML elements and
	 * update the changes via Ajax.
	 *
	 * @global
	 *
	 * @return {void}
	 */
	function editPermalink() {
		var i, slug_value, slug_label,
			$el, revert_e,
			c = 0,
			real_slug = $('#post_name'),
			revert_slug = real_slug.val(),
			permalink = $( '#sample-permalink' ),
			permalinkOrig = permalink.html(),
			permalinkInner = $( '#sample-permalink a' ).html(),
			buttons = $('#edit-slug-buttons'),
			buttonsOrig = buttons.html(),
			full = $('#editable-post-name-full');

		// Deal with Twemoji in the post-name.
		full.find( 'img' ).replaceWith( function() { return this.alt; } );
		full = full.html();

		permalink.html( permalinkInner );

		// Save current content to revert to when cancelling.
		$el = $( '#editable-post-name' );
		revert_e = $el.html();

		buttons.html(
			'<button type="button" class="save button button-compact">' + __( 'OK' ) + '</button> ' +
			'<button type="button" class="cancel button-link">' + __( 'Cancel' ) + '</button>'
		);

		// Save permalink changes.
		buttons.children( '.save' ).on( 'click', function() {
			var new_slug = $el.children( 'input' ).val();

			if ( new_slug == $('#editable-post-name-full').text() ) {
				buttons.children('.cancel').trigger( 'click' );
				return;
			}

			$.post(
				ajaxurl,
				{
					action: 'sample-permalink',
					post_id: postId,
					new_slug: new_slug,
					new_title: $('#title').val(),
					samplepermalinknonce: $('#samplepermalinknonce').val()
				},
				function(data) {
					var box = $('#edit-slug-box');
					box.html(data);
					if (box.hasClass('hidden')) {
						box.fadeIn('fast', function () {
							box.removeClass('hidden');
						});
					}

					buttons.html(buttonsOrig);
					permalink.html(permalinkOrig);
					real_slug.val(new_slug);
					$( '.edit-slug' ).trigger( 'focus' );
					wp.a11y.speak( __( 'Permalink saved' ) );
				}
			);
		});

		// Cancel editing of permalink.
		buttons.children( '.cancel' ).on( 'click', function() {
			$('#view-post-btn').show();
			$el.html(revert_e);
			buttons.html(buttonsOrig);
			permalink.html(permalinkOrig);
			real_slug.val(revert_slug);
			$( '.edit-slug' ).trigger( 'focus' );
		});

		// If more than 1/4th of 'full' is '%', make it empty.
		for ( i = 0; i < full.length; ++i ) {
			if ( '%' == full.charAt(i) )
				c++;
		}
		slug_value = ( c > full.length / 4 ) ? '' : full;
		slug_label = __( 'URL Slug' );

		$el.html(
			'<label for="new-post-slug" class="screen-reader-text">' + slug_label + '</label>' +
			'<input type="text" id="new-post-slug" value="' + slug_value + '" autocomplete="off" spellcheck="false" />'
		).children( 'input' ).on( 'keydown', function( e ) {
			var key = e.which;
			// On [Enter], just save the new slug, don't save the post.
			if ( 13 === key ) {
				e.preventDefault();
				buttons.children( '.save' ).trigger( 'click' );
			}
			// On [Esc] cancel the editing.
			if ( 27 === key ) {
				buttons.children( '.cancel' ).trigger( 'click' );
			}
		} ).on( 'keyup', function() {
			real_slug.val( this.value );
		}).trigger( 'focus' );
	}

	$( '#titlediv' ).on( 'click', '.edit-slug', function() {
		editPermalink();
	});

	/**
	 * Adds screen reader text to the title label when needed.
	 *
	 * Use the 'screen-reader-text' class to emulate a placeholder attribute
	 * and hide the label when entering a value.
	 *
	 * @param {string} id Optional. HTML ID to add the screen reader helper text to.
	 *
	 * @global
	 *
	 * @return {void}
	 */
	window.wptitlehint = function( id ) {
		id = id || 'title';

		var title = $( '#' + id ), titleprompt = $( '#' + id + '-prompt-text' );

		if ( '' === title.val() ) {
			titleprompt.removeClass( 'screen-reader-text' );
		}

		title.on( 'input', function() {
			if ( '' === this.value ) {
				titleprompt.removeClass( 'screen-reader-text' );
				return;
			}

			titleprompt.addClass( 'screen-reader-text' );
		} );
	};

	wptitlehint();

	// Resize the WYSIWYG and plain text editors.
	( function() {
		var editor, offset, mce,
			$handle = $('#post-status-info'),
			$postdivrich = $('#postdivrich');

		// If there are no textareas or we are on a touch device, we can't do anything.
		if ( ! $textarea.length || 'ontouchstart' in window ) {
			// Hide the resize handle.
			$('#content-resize-handle').hide();
			return;
		}

		/**
		 * Handle drag event.
		 *
		 * @param {Object} event Event containing details about the drag.
		 */
		function dragging( event ) {
			if ( $postdivrich.hasClass( 'wp-editor-expand' ) ) {
				return;
			}

			if ( mce ) {
				editor.theme.resizeTo( null, offset + event.pageY );
			} else {
				$textarea.height( Math.max( 50, offset + event.pageY ) );
			}

			event.preventDefault();
		}

		/**
		 * When the dragging stopped make sure we return focus and do a confidence check on the height.
		 */
		function endDrag() {
			var height, toolbarHeight;

			if ( $postdivrich.hasClass( 'wp-editor-expand' ) ) {
				return;
			}

			if ( mce ) {
				editor.focus();
				toolbarHeight = parseInt( $( '#wp-content-editor-container .mce-toolbar-grp' ).height(), 10 );

				if ( toolbarHeight < 10 || toolbarHeight > 200 ) {
					toolbarHeight = 30;
				}

				height = parseInt( $('#content_ifr').css('height'), 10 ) + toolbarHeight - 28;
			} else {
				$textarea.trigger( 'focus' );
				height = parseInt( $textarea.css('height'), 10 );
			}

			$document.off( '.wp-editor-resize' );

			// Confidence check: normalize height to stay within acceptable ranges.
			if ( height && height > 50 && height < 5000 ) {
				setUserSetting( 'ed_size', height );
			}
		}

		$handle.on( 'mousedown.wp-editor-resize', function( event ) {
			if ( typeof tinymce !== 'undefined' ) {
				editor = tinymce.get('content');
			}

			if ( editor && ! editor.isHidden() ) {
				mce = true;
				offset = $('#content_ifr').height() - event.pageY;
			} else {
				mce = false;
				offset = $textarea.height() - event.pageY;
				$textarea.trigger( 'blur' );
			}

			$document.on( 'mousemove.wp-editor-resize', dragging )
				.on( 'mouseup.wp-editor-resize mouseleave.wp-editor-resize', endDrag );

			event.preventDefault();
		}).on( 'mouseup.wp-editor-resize', endDrag );
	})();

	// TinyMCE specific handling of Post Format changes to reflect in the editor.
	if ( typeof tinymce !== 'undefined' ) {
		// When changing post formats, change the editor body class.
		$( '#post-formats-select input.post-format' ).on( 'change.set-editor-class', function() {
			var editor, body, format = this.id;

			if ( format && $( this ).prop( 'checked' ) && ( editor = tinymce.get( 'content' ) ) ) {
				body = editor.getBody();
				body.className = body.className.replace( /\bpost-format-[^ ]+/, '' );
				editor.dom.addClass( body, format == 'post-format-0' ? 'post-format-standard' : format );
				$( document ).trigger( 'editor-classchange' );
			}
		});

		// When changing page template, change the editor body class.
		$( '#page_template' ).on( 'change.set-editor-class', function() {
			var editor, body, pageTemplate = $( this ).val() || '';

			pageTemplate = pageTemplate.substr( pageTemplate.lastIndexOf( '/' ) + 1, pageTemplate.length )
				.replace( /\.php$/, '' )
				.replace( /\./g, '-' );

			if ( pageTemplate && ( editor = tinymce.get( 'content' ) ) ) {
				body = editor.getBody();
				body.className = body.className.replace( /\bpage-template-[^ ]+/, '' );
				editor.dom.addClass( body, 'page-template-' + pageTemplate );
				$( document ).trigger( 'editor-classchange' );
			}
		});

	}

	// Save on pressing [Ctrl]/[Command] + [S] in the Text editor.
	$textarea.on( 'keydown.wp-autosave', function( event ) {
		// Key [S] has code 83.
		if ( event.which === 83 ) {
			if (
				event.shiftKey ||
				event.altKey ||
				( isMac && ( ! event.metaKey || event.ctrlKey ) ) ||
				( ! isMac && ! event.ctrlKey )
			) {
				return;
			}

			wp.autosave && wp.autosave.server.triggerSave();
			event.preventDefault();
		}
	});

	// If the last status was auto-draft and the save is triggered, edit the current URL.
	if ( $( '#original_post_status' ).val() === 'auto-draft' && window.history.replaceState ) {
		var location;

		$( '#publish' ).on( 'click', function() {
			location = window.location.href;
			location += ( location.indexOf( '?' ) !== -1 ) ? '&' : '?';
			location += 'wp-post-new-reload=true';

			window.history.replaceState( null, null, location );
		});
	}

	/**
	 * Copies the attachment URL in the Edit Media page to the clipboard.
	 *
	 * @since 5.5.0
	 *
	 * @param {MouseEvent} event A click event.
	 *
	 * @return {void}
	 */
	copyAttachmentURLClipboard.on( 'success', function( event ) {
		var triggerElement = $( event.trigger ),
			successElement = $( '.success', triggerElement.closest( '.copy-to-clipboard-container' ) );

		// Clear the selection and move focus back to the trigger.
		event.clearSelection();

		// Show success visual feedback.
		clearTimeout( copyAttachmentURLSuccessTimeout );
		successElement.removeClass( 'hidden' );

		// Hide success visual feedback after 3 seconds since last success.
		copyAttachmentURLSuccessTimeout = setTimeout( function() {
			successElement.addClass( 'hidden' );
		}, 3000 );

		// Handle success audible feedback.
		wp.a11y.speak( __( 'The file URL has been copied to your clipboard' ) );
	} );
} );

/**
 * TinyMCE word count display
 */
( function( $, counter ) {
	$( function() {
		var $content = $( '#content' ),
			$count = $( '#wp-word-count' ).find( '.word-count' ),
			prevCount = 0,
			contentEditor;

		/**
		 * Get the word count from TinyMCE and display it
		 */
		function update() {
			var text, count;

			if ( ! contentEditor || contentEditor.isHidden() ) {
				text = $content.val();
			} else {
				text = contentEditor.getContent( { format: 'raw' } );
			}

			count = counter.count( text );

			if ( count !== prevCount ) {
				$count.text( count );
			}

			prevCount = count;
		}

		/**
		 * Bind the word count update triggers.
		 *
		 * When a node change in the main TinyMCE editor has been triggered.
		 * When a key has been released in the plain text content editor.
		 */
		$( document ).on( 'tinymce-editor-init', function( event, editor ) {
			if ( editor.id !== 'content' ) {
				return;
			}

			contentEditor = editor;

			editor.on( 'nodechange keyup', _.debounce( update, 1000 ) );
		} );

		$content.on( 'input keyup', _.debounce( update, 1000 ) );

		update();
	} );

} )( jQuery, new wp.utils.WordCounter() );
PK       ! � ��  �    plugin-install.jsnu �[���        /**
 * @file Functionality for the plugin install screens.
 *
 * @output wp-admin/js/plugin-install.js
 */

/* global tb_click, tb_remove, tb_position */

jQuery( function( $ ) {

	var tbWindow,
		$iframeBody,
		$tabbables,
		$firstTabbable,
		$lastTabbable,
		$focusedBefore = $(),
		$uploadViewToggle = $( '.upload-view-toggle' ),
		$wrap = $ ( '.wrap' ),
		$body = $( document.body );

	window.tb_position = function() {
		var width = $( window ).width(),
			H = $( window ).height() - ( ( 792 < width ) ? 60 : 20 ),
			W = ( 792 < width ) ? 772 : width - 20;

		tbWindow = $( '#TB_window' );

		if ( tbWindow.length ) {
			tbWindow.width( W ).height( H );
			$( '#TB_iframeContent' ).width( W ).height( H );
			tbWindow.css({
				'margin-left': '-' + parseInt( ( W / 2 ), 10 ) + 'px'
			});
			if ( typeof document.body.style.maxWidth !== 'undefined' ) {
				tbWindow.css({
					'top': '30px',
					'margin-top': '0'
				});
			}
		}

		return $( 'a.thickbox' ).each( function() {
			var href = $( this ).attr( 'href' );
			if ( ! href ) {
				return;
			}
			href = href.replace( /&width=[0-9]+/g, '' );
			href = href.replace( /&height=[0-9]+/g, '' );
			$(this).attr( 'href', href + '&width=' + W + '&height=' + ( H ) );
		});
	};

	$( window ).on( 'resize', function() {
		tb_position();
	});

	/*
	 * Custom events: when a Thickbox iframe has loaded and when the Thickbox
	 * modal gets removed from the DOM.
	 */
	$body
		.on( 'thickbox:iframe:loaded', tbWindow, function() {
			/*
			 * Return if it's not the modal with the plugin details iframe. Other
			 * thickbox instances might want to load an iframe with content from
			 * an external domain. Avoid to access the iframe contents when we're
			 * not sure the iframe loads from the same domain.
			 */
			if ( ! tbWindow.hasClass( 'plugin-details-modal' ) ) {
				return;
			}

			iframeLoaded();
		})
		.on( 'thickbox:removed', function() {
			// Set focus back to the element that opened the modal dialog.
			// Note: IE 8 would need this wrapped in a fake setTimeout `0`.
			$focusedBefore.trigger( 'focus' );
		});

	function iframeLoaded() {
		var $iframe = tbWindow.find( '#TB_iframeContent' );

		// Get the iframe body.
		$iframeBody = $iframe.contents().find( 'body' );

		// Get the tabbable elements and handle the keydown event on first load.
		handleTabbables();

		// Set initial focus on the "Close" button.
		$firstTabbable.trigger( 'focus' );

		/*
		 * When the "Install" button is disabled (e.g. the Plugin is already installed)
		 * then we can't predict where the last focusable element is. We need to get
		 * the tabbable elements and handle the keydown event again and again,
		 * each time the active tab panel changes.
		 */
		$( '#plugin-information-tabs a', $iframeBody ).on( 'click', function() {
			handleTabbables();
		});

		// Close the modal when pressing Escape.
		$iframeBody.on( 'keydown', function( event ) {
			if ( 27 !== event.which ) {
				return;
			}
			tb_remove();
		});
	}

	/*
	 * Get the tabbable elements and detach/attach the keydown event.
	 * Called after the iframe has fully loaded so we have all the elements we need.
	 * Called again each time a Tab gets clicked.
	 * @todo Consider to implement a WordPress general utility for this and don't use jQuery UI.
	 */
	function handleTabbables() {
		var $firstAndLast;
		// Get all the tabbable elements.
		$tabbables = $( ':tabbable', $iframeBody );
		// Our first tabbable element is always the "Close" button.
		$firstTabbable = tbWindow.find( '#TB_closeWindowButton' );
		// Get the last tabbable element.
		$lastTabbable = $tabbables.last();
		// Make a jQuery collection.
		$firstAndLast = $firstTabbable.add( $lastTabbable );
		// Detach any previously attached keydown event.
		$firstAndLast.off( 'keydown.wp-plugin-details' );
		// Attach again the keydown event on the first and last focusable elements.
		$firstAndLast.on( 'keydown.wp-plugin-details', function( event ) {
			constrainTabbing( event );
		});
	}

	// Constrain tabbing within the plugin modal dialog.
	function constrainTabbing( event ) {
		if ( 9 !== event.which ) {
			return;
		}

		if ( $lastTabbable[0] === event.target && ! event.shiftKey ) {
			event.preventDefault();
			$firstTabbable.trigger( 'focus' );
		} else if ( $firstTabbable[0] === event.target && event.shiftKey ) {
			event.preventDefault();
			$lastTabbable.trigger( 'focus' );
		}
	}

	/*
	 * Open the Plugin details modal. The event is delegated to get also the links
	 * in the plugins search tab, after the Ajax search rebuilds the HTML. It's
	 * delegated on the closest ancestor and not on the body to avoid conflicts
	 * with other handlers, see Trac ticket #43082.
	 */
	$( '.wrap' ).on( 'click', '.thickbox.open-plugin-details-modal', function( e ) {
		// The `data-title` attribute is used only in the Plugin screens.
		var title = $( this ).data( 'title' ) ?
			wp.i18n.sprintf(
				// translators: %s: Plugin name.
				wp.i18n.__( 'Plugin: %s' ),
				$( this ).data( 'title' )
			) :
			wp.i18n.__( 'Plugin details' );

		e.preventDefault();
		e.stopPropagation();

		// Store the element that has focus before opening the modal dialog, i.e. the control which opens it.
		$focusedBefore = $( this );

		tb_click.call(this);

		// Set ARIA role, ARIA label, and add a CSS class.
		tbWindow
			.attr({
				'role': 'dialog',
				'aria-label': wp.i18n.__( 'Plugin details' )
			})
			.addClass( 'plugin-details-modal' );

		// Set title attribute on the iframe.
		tbWindow.find( '#TB_iframeContent' ).attr( 'title', title );
	});

	/* Plugin install related JS */
	$( '#plugin-information-tabs a' ).on( 'click', function( event ) {
		var tab = $( this ).attr( 'name' );
		event.preventDefault();

		// Flip the tab.
		$( '#plugin-information-tabs a.current' ).removeClass( 'current' );
		$( this ).addClass( 'current' );

		// Only show the fyi box in the description section, on smaller screen,
		// where it's otherwise always displayed at the top.
		if ( 'description' !== tab && $( window ).width() < 772 ) {
			$( '#plugin-information-content' ).find( '.fyi' ).hide();
		} else {
			$( '#plugin-information-content' ).find( '.fyi' ).show();
		}

		// Flip the content.
		$( '#section-holder div.section' ).hide(); // Hide 'em all.
		$( '#section-' + tab ).show();
	});

	/*
	 * When a user presses the "Upload Plugin" button, show the upload form in place
	 * rather than sending them to the devoted upload plugin page.
	 * The `?tab=upload` page still exists for no-js support and for plugins that
	 * might access it directly. When we're in this page, let the link behave
	 * like a link. Otherwise we're in the normal plugin installer pages and the
	 * link should behave like a toggle button.
	 */
	if ( ! $wrap.hasClass( 'plugin-install-tab-upload' ) ) {
		$uploadViewToggle
			.attr({
				role: 'button',
				'aria-expanded': 'false'
			})
			.on( 'click', function( event ) {
				event.preventDefault();
				$body.toggleClass( 'show-upload-view' );
				$uploadViewToggle.attr( 'aria-expanded', $body.hasClass( 'show-upload-view' ) );
			});
	}
});
PK       ! ������  ��  	  editor.jsnu �[���        /**
 * @output wp-admin/js/editor.js
 */

window.wp = window.wp || {};

( function( $, wp ) {
	wp.editor = wp.editor || {};

	/**
	 * Utility functions for the editor.
	 *
	 * @since 2.5.0
	 */
	function SwitchEditors() {
		var tinymce, $$,
			exports = {};

		function init() {
			if ( ! tinymce && window.tinymce ) {
				tinymce = window.tinymce;
				$$ = tinymce.$;

				/**
				 * Handles onclick events for the Visual/Code tabs.
				 *
				 * @since 4.3.0
				 *
				 * @return {void}
				 */
				$$( document ).on( 'click', function( event ) {
					var id, mode,
						target = $$( event.target );

					if ( target.hasClass( 'wp-switch-editor' ) ) {
						id = target.attr( 'data-wp-editor-id' );
						mode = target.hasClass( 'switch-tmce' ) ? 'tmce' : 'html';
						switchEditor( id, mode );
					}
				});
			}
		}

		/**
		 * Returns the height of the editor toolbar(s) in px.
		 *
		 * @since 3.9.0
		 *
		 * @param {Object} editor The TinyMCE editor.
		 * @return {number} If the height is between 10 and 200 return the height,
		 * else return 30.
		 */
		function getToolbarHeight( editor ) {
			var node = $$( '.mce-toolbar-grp', editor.getContainer() )[0],
				height = node && node.clientHeight;

			if ( height && height > 10 && height < 200 ) {
				return parseInt( height, 10 );
			}

			return 30;
		}

		/**
		 * Switches the editor between Visual and Code mode.
		 *
		 * @since 2.5.0
		 *
		 * @memberof switchEditors
		 *
		 * @param {string} id The id of the editor you want to change the editor mode for. Default: `content`.
		 * @param {string} mode The mode you want to switch to. Default: `toggle`.
		 * @return {void}
		 */
		function switchEditor( id, mode ) {
			id = id || 'content';
			mode = mode || 'toggle';

			var editorHeight, toolbarHeight, iframe,
				editor = tinymce.get( id ),
				wrap = $$( '#wp-' + id + '-wrap' ),
				htmlSwitch = wrap.find( '.switch-tmce' ),
				tmceSwitch = wrap.find( '.switch-html' ),
				$textarea = $$( '#' + id ),
				textarea = $textarea[0];

			if ( 'toggle' === mode ) {
				if ( editor && ! editor.isHidden() ) {
					mode = 'html';
				} else {
					mode = 'tmce';
				}
			}

			if ( 'tmce' === mode || 'tinymce' === mode ) {
				// If the editor is visible we are already in `tinymce` mode.
				if ( editor && ! editor.isHidden() ) {
					return false;
				}

				// Insert closing tags for any open tags in QuickTags.
				if ( typeof( window.QTags ) !== 'undefined' ) {
					window.QTags.closeAllTags( id );
				}

				editorHeight = parseInt( textarea.style.height, 10 ) || 0;

				addHTMLBookmarkInTextAreaContent( $textarea );

				if ( editor ) {
					editor.show();

					// No point to resize the iframe in iOS.
					if ( ! tinymce.Env.iOS && editorHeight ) {
						toolbarHeight = getToolbarHeight( editor );
						editorHeight = editorHeight - toolbarHeight + 14;

						// Sane limit for the editor height.
						if ( editorHeight > 50 && editorHeight < 5000 ) {
							editor.theme.resizeTo( null, editorHeight );
						}
					}

					focusHTMLBookmarkInVisualEditor( editor );
				} else {
					tinymce.init( window.tinyMCEPreInit.mceInit[ id ] );
				}

				wrap.removeClass( 'html-active' ).addClass( 'tmce-active' );
				tmceSwitch.attr( 'aria-pressed', false );
				htmlSwitch.attr( 'aria-pressed', true );
				$textarea.attr( 'aria-hidden', true );
				window.setUserSetting( 'editor', 'tinymce' );

			} else if ( 'html' === mode ) {
				// If the editor is hidden (Quicktags is shown) we don't need to switch.
				if ( editor && editor.isHidden() ) {
					return false;
				}

				if ( editor ) {
					// Don't resize the textarea in iOS.
					// The iframe is forced to 100% height there, we shouldn't match it.
					if ( ! tinymce.Env.iOS ) {
						iframe = editor.iframeElement;
						editorHeight = iframe ? parseInt( iframe.style.height, 10 ) : 0;

						if ( editorHeight ) {
							toolbarHeight = getToolbarHeight( editor );
							editorHeight = editorHeight + toolbarHeight - 14;

							// Sane limit for the textarea height.
							if ( editorHeight > 50 && editorHeight < 5000 ) {
								textarea.style.height = editorHeight + 'px';
							}
						}
					}

					var selectionRange = null;

					selectionRange = findBookmarkedPosition( editor );

					editor.hide();

					if ( selectionRange ) {
						selectTextInTextArea( editor, selectionRange );
					}
				} else {
					// There is probably a JS error on the page.
					// The TinyMCE editor instance doesn't exist. Show the textarea.
					$textarea.css({ 'display': '', 'visibility': '' });
				}

				wrap.removeClass( 'tmce-active' ).addClass( 'html-active' );
				tmceSwitch.attr( 'aria-pressed', true );
				htmlSwitch.attr( 'aria-pressed', false );
				$textarea.attr( 'aria-hidden', false );
				window.setUserSetting( 'editor', 'html' );
			}
		}

		/**
		 * Checks if a cursor is inside an HTML tag or comment.
		 *
		 * In order to prevent breaking HTML tags when selecting text, the cursor
		 * must be moved to either the start or end of the tag.
		 *
		 * This will prevent the selection marker to be inserted in the middle of an HTML tag.
		 *
		 * This function gives information whether the cursor is inside a tag or not, as well as
		 * the tag type, if it is a closing tag and check if the HTML tag is inside a shortcode tag,
		 * e.g. `[caption]<img.../>..`.
		 *
		 * @param {string} content The test content where the cursor is.
		 * @param {number} cursorPosition The cursor position inside the content.
		 *
		 * @return {(null|Object)} Null if cursor is not in a tag, Object if the cursor is inside a tag.
		 */
		function getContainingTagInfo( content, cursorPosition ) {
			var lastLtPos = content.lastIndexOf( '<', cursorPosition - 1 ),
				lastGtPos = content.lastIndexOf( '>', cursorPosition );

			if ( lastLtPos > lastGtPos || content.substr( cursorPosition, 1 ) === '>' ) {
				// Find what the tag is.
				var tagContent = content.substr( lastLtPos ),
					tagMatch = tagContent.match( /<\s*(\/)?(\w+|\!-{2}.*-{2})/ );

				if ( ! tagMatch ) {
					return null;
				}

				var tagType = tagMatch[2],
					closingGt = tagContent.indexOf( '>' );

				return {
					ltPos: lastLtPos,
					gtPos: lastLtPos + closingGt + 1, // Offset by one to get the position _after_ the character.
					tagType: tagType,
					isClosingTag: !! tagMatch[1]
				};
			}
			return null;
		}

		/**
		 * Checks if the cursor is inside a shortcode
		 *
		 * If the cursor is inside a shortcode wrapping tag, e.g. `[caption]` it's better to
		 * move the selection marker to before or after the shortcode.
		 *
		 * For example `[caption]` rewrites/removes anything that's between the `[caption]` tag and the
		 * `<img/>` tag inside.
		 *
		 * `[caption]<span>ThisIsGone</span><img .../>[caption]`
		 *
		 * Moving the selection to before or after the short code is better, since it allows to select
		 * something, instead of just losing focus and going to the start of the content.
		 *
		 * @param {string} content The text content to check against.
		 * @param {number} cursorPosition    The cursor position to check.
		 *
		 * @return {(undefined|Object)} Undefined if the cursor is not wrapped in a shortcode tag.
		 *                              Information about the wrapping shortcode tag if it's wrapped in one.
		 */
		function getShortcodeWrapperInfo( content, cursorPosition ) {
			var contentShortcodes = getShortCodePositionsInText( content );

			for ( var i = 0; i < contentShortcodes.length; i++ ) {
				var element = contentShortcodes[ i ];

				if ( cursorPosition >= element.startIndex && cursorPosition <= element.endIndex ) {
					return element;
				}
			}
		}

		/**
		 * Gets a list of unique shortcodes or shortcode-lookalikes in the content.
		 *
		 * @param {string} content The content we want to scan for shortcodes.
		 */
		function getShortcodesInText( content ) {
			var shortcodes = content.match( /\[+([\w_-])+/g ),
				result = [];

			if ( shortcodes ) {
				for ( var i = 0; i < shortcodes.length; i++ ) {
					var shortcode = shortcodes[ i ].replace( /^\[+/g, '' );

					if ( result.indexOf( shortcode ) === -1 ) {
						result.push( shortcode );
					}
				}
			}

			return result;
		}

		/**
		 * Gets all shortcodes and their positions in the content
		 *
		 * This function returns all the shortcodes that could be found in the textarea content
		 * along with their character positions and boundaries.
		 *
		 * This is used to check if the selection cursor is inside the boundaries of a shortcode
		 * and move it accordingly, to avoid breakage.
		 *
		 * @link adjustTextAreaSelectionCursors
		 *
		 * The information can also be used in other cases when we need to lookup shortcode data,
		 * as it's already structured!
		 *
		 * @param {string} content The content we want to scan for shortcodes
		 */
		function getShortCodePositionsInText( content ) {
			var allShortcodes = getShortcodesInText( content ), shortcodeInfo;

			if ( allShortcodes.length === 0 ) {
				return [];
			}

			var shortcodeDetailsRegexp = wp.shortcode.regexp( allShortcodes.join( '|' ) ),
				shortcodeMatch, // Define local scope for the variable to be used in the loop below.
				shortcodesDetails = [];

			while ( shortcodeMatch = shortcodeDetailsRegexp.exec( content ) ) {
				/**
				 * Check if the shortcode should be shown as plain text.
				 *
				 * This corresponds to the [[shortcode]] syntax, which doesn't parse the shortcode
				 * and just shows it as text.
				 */
				var showAsPlainText = shortcodeMatch[1] === '[';

				shortcodeInfo = {
					shortcodeName: shortcodeMatch[2],
					showAsPlainText: showAsPlainText,
					startIndex: shortcodeMatch.index,
					endIndex: shortcodeMatch.index + shortcodeMatch[0].length,
					length: shortcodeMatch[0].length
				};

				shortcodesDetails.push( shortcodeInfo );
			}

			/**
			 * Get all URL matches, and treat them as embeds.
			 *
			 * Since there isn't a good way to detect if a URL by itself on a line is a previewable
			 * object, it's best to treat all of them as such.
			 *
			 * This means that the selection will capture the whole URL, in a similar way shrotcodes
			 * are treated.
			 */
			var urlRegexp = new RegExp(
				'(^|[\\n\\r][\\n\\r]|<p>)(https?:\\/\\/[^\s"]+?)(<\\/p>\s*|[\\n\\r][\\n\\r]|$)', 'gi'
			);

			while ( shortcodeMatch = urlRegexp.exec( content ) ) {
				shortcodeInfo = {
					shortcodeName: 'url',
					showAsPlainText: false,
					startIndex: shortcodeMatch.index,
					endIndex: shortcodeMatch.index + shortcodeMatch[ 0 ].length,
					length: shortcodeMatch[ 0 ].length,
					urlAtStartOfContent: shortcodeMatch[ 1 ] === '',
					urlAtEndOfContent: shortcodeMatch[ 3 ] === ''
				};

				shortcodesDetails.push( shortcodeInfo );
			}

			return shortcodesDetails;
		}

		/**
		 * Generate a cursor marker element to be inserted in the content.
		 *
		 * `span` seems to be the least destructive element that can be used.
		 *
		 * Using DomQuery syntax to create it, since it's used as both text and as a DOM element.
		 *
		 * @param {Object} domLib DOM library instance.
		 * @param {string} content The content to insert into the cursor marker element.
		 */
		function getCursorMarkerSpan( domLib, content ) {
			return domLib( '<span>' ).css( {
						display: 'inline-block',
						width: 0,
						overflow: 'hidden',
						'line-height': 0
					} )
					.html( content ? content : '' );
		}

		/**
		 * Gets adjusted selection cursor positions according to HTML tags, comments, and shortcodes.
		 *
		 * Shortcodes and HTML codes are a bit of a special case when selecting, since they may render
		 * content in Visual mode. If we insert selection markers somewhere inside them, it's really possible
		 * to break the syntax and render the HTML tag or shortcode broken.
		 *
		 * @link getShortcodeWrapperInfo
		 *
		 * @param {string} content Textarea content that the cursors are in
		 * @param {{cursorStart: number, cursorEnd: number}} cursorPositions Cursor start and end positions
		 *
		 * @return {{cursorStart: number, cursorEnd: number}}
		 */
		function adjustTextAreaSelectionCursors( content, cursorPositions ) {
			var voidElements = [
				'area', 'base', 'br', 'col', 'embed', 'hr', 'img', 'input',
				'keygen', 'link', 'meta', 'param', 'source', 'track', 'wbr'
			];

			var cursorStart = cursorPositions.cursorStart,
				cursorEnd = cursorPositions.cursorEnd,
				// Check if the cursor is in a tag and if so, adjust it.
				isCursorStartInTag = getContainingTagInfo( content, cursorStart );

			if ( isCursorStartInTag ) {
				/**
				 * Only move to the start of the HTML tag (to select the whole element) if the tag
				 * is part of the voidElements list above.
				 *
				 * This list includes tags that are self-contained and don't need a closing tag, according to the
				 * HTML5 specification.
				 *
				 * This is done in order to make selection of text a bit more consistent when selecting text in
				 * `<p>` tags or such.
				 *
				 * In cases where the tag is not a void element, the cursor is put to the end of the tag,
				 * so it's either between the opening and closing tag elements or after the closing tag.
				 */
				if ( voidElements.indexOf( isCursorStartInTag.tagType ) !== -1 ) {
					cursorStart = isCursorStartInTag.ltPos;
				} else {
					cursorStart = isCursorStartInTag.gtPos;
				}
			}

			var isCursorEndInTag = getContainingTagInfo( content, cursorEnd );
			if ( isCursorEndInTag ) {
				cursorEnd = isCursorEndInTag.gtPos;
			}

			var isCursorStartInShortcode = getShortcodeWrapperInfo( content, cursorStart );
			if ( isCursorStartInShortcode && ! isCursorStartInShortcode.showAsPlainText ) {
				/**
				 * If a URL is at the start or the end of the content,
				 * the selection doesn't work, because it inserts a marker in the text,
				 * which breaks the embedURL detection.
				 *
				 * The best way to avoid that and not modify the user content is to
				 * adjust the cursor to either after or before URL.
				 */
				if ( isCursorStartInShortcode.urlAtStartOfContent ) {
					cursorStart = isCursorStartInShortcode.endIndex;
				} else {
					cursorStart = isCursorStartInShortcode.startIndex;
				}
			}

			var isCursorEndInShortcode = getShortcodeWrapperInfo( content, cursorEnd );
			if ( isCursorEndInShortcode && ! isCursorEndInShortcode.showAsPlainText ) {
				if ( isCursorEndInShortcode.urlAtEndOfContent ) {
					cursorEnd = isCursorEndInShortcode.startIndex;
				} else {
					cursorEnd = isCursorEndInShortcode.endIndex;
				}
			}

			return {
				cursorStart: cursorStart,
				cursorEnd: cursorEnd
			};
		}

		/**
		 * Adds text selection markers in the editor textarea.
		 *
		 * Adds selection markers in the content of the editor `textarea`.
		 * The method directly manipulates the `textarea` content, to allow TinyMCE plugins
		 * to run after the markers are added.
		 *
		 * @param {Object} $textarea TinyMCE's textarea wrapped as a DomQuery object
		 */
		function addHTMLBookmarkInTextAreaContent( $textarea ) {
			if ( ! $textarea || ! $textarea.length ) {
				// If no valid $textarea object is provided, there's nothing we can do.
				return;
			}

			var textArea = $textarea[0],
				textAreaContent = textArea.value,

				adjustedCursorPositions = adjustTextAreaSelectionCursors( textAreaContent, {
					cursorStart: textArea.selectionStart,
					cursorEnd: textArea.selectionEnd
				} ),

				htmlModeCursorStartPosition = adjustedCursorPositions.cursorStart,
				htmlModeCursorEndPosition = adjustedCursorPositions.cursorEnd,

				mode = htmlModeCursorStartPosition !== htmlModeCursorEndPosition ? 'range' : 'single',

				selectedText = null,
				cursorMarkerSkeleton = getCursorMarkerSpan( $$, '&#65279;' ).attr( 'data-mce-type','bookmark' );

			if ( mode === 'range' ) {
				var markedText = textArea.value.slice( htmlModeCursorStartPosition, htmlModeCursorEndPosition ),
					bookMarkEnd = cursorMarkerSkeleton.clone().addClass( 'mce_SELRES_end' );

				selectedText = [
					markedText,
					bookMarkEnd[0].outerHTML
				].join( '' );
			}

			textArea.value = [
				textArea.value.slice( 0, htmlModeCursorStartPosition ), // Text until the cursor/selection position.
				cursorMarkerSkeleton.clone()							// Cursor/selection start marker.
					.addClass( 'mce_SELRES_start' )[0].outerHTML,
				selectedText, 											// Selected text with end cursor/position marker.
				textArea.value.slice( htmlModeCursorEndPosition )		// Text from last cursor/selection position to end.
			].join( '' );
		}

		/**
		 * Focuses the selection markers in Visual mode.
		 *
		 * The method checks for existing selection markers inside the editor DOM (Visual mode)
		 * and create a selection between the two nodes using the DOM `createRange` selection API.
		 *
		 * If there is only a single node, select only the single node through TinyMCE's selection API
		 *
		 * @param {Object} editor TinyMCE editor instance.
		 */
		function focusHTMLBookmarkInVisualEditor( editor ) {
			var startNode = editor.$( '.mce_SELRES_start' ).attr( 'data-mce-bogus', 1 ),
				endNode = editor.$( '.mce_SELRES_end' ).attr( 'data-mce-bogus', 1 );

			if ( startNode.length ) {
				editor.focus();

				if ( ! endNode.length ) {
					editor.selection.select( startNode[0] );
				} else {
					var selection = editor.getDoc().createRange();

					selection.setStartAfter( startNode[0] );
					selection.setEndBefore( endNode[0] );

					editor.selection.setRng( selection );
				}
			}

			scrollVisualModeToStartElement( editor, startNode );

			removeSelectionMarker( startNode );
			removeSelectionMarker( endNode );

			editor.save();
		}

		/**
		 * Removes selection marker and the parent node if it is an empty paragraph.
		 *
		 * By default TinyMCE wraps loose inline tags in a `<p>`.
		 * When removing selection markers an empty `<p>` may be left behind, remove it.
		 *
		 * @param {Object} $marker The marker to be removed from the editor DOM, wrapped in an instance of `editor.$`
		 */
		function removeSelectionMarker( $marker ) {
			var $markerParent = $marker.parent();

			$marker.remove();

			//Remove empty paragraph left over after removing the marker.
			if ( $markerParent.is( 'p' ) && ! $markerParent.children().length && ! $markerParent.text() ) {
				$markerParent.remove();
			}
		}

		/**
		 * Scrolls the content to place the selected element in the center of the screen.
		 *
		 * Takes an element, that is usually the selection start element, selected in
		 * `focusHTMLBookmarkInVisualEditor()` and scrolls the screen so the element appears roughly
		 * in the middle of the screen.
		 *
		 * I order to achieve the proper positioning, the editor media bar and toolbar are subtracted
		 * from the window height, to get the proper viewport window, that the user sees.
		 *
		 * @param {Object} editor TinyMCE editor instance.
		 * @param {Object} element HTMLElement that should be scrolled into view.
		 */
		function scrollVisualModeToStartElement( editor, element ) {
			var elementTop = editor.$( element ).offset().top,
				TinyMCEContentAreaTop = editor.$( editor.getContentAreaContainer() ).offset().top,

				toolbarHeight = getToolbarHeight( editor ),

				edTools = $( '#wp-content-editor-tools' ),
				edToolsHeight = 0,
				edToolsOffsetTop = 0,

				$scrollArea;

			if ( edTools.length ) {
				edToolsHeight = edTools.height();
				edToolsOffsetTop = edTools.offset().top;
			}

			var windowHeight = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight,

				selectionPosition = TinyMCEContentAreaTop + elementTop,
				visibleAreaHeight = windowHeight - ( edToolsHeight + toolbarHeight );

			// There's no need to scroll if the selection is inside the visible area.
			if ( selectionPosition < visibleAreaHeight ) {
				return;
			}

			/**
			 * The minimum scroll height should be to the top of the editor, to offer a consistent
			 * experience.
			 *
			 * In order to find the top of the editor, we calculate the offset of `#wp-content-editor-tools` and
			 * subtracting the height. This gives the scroll position where the top of the editor tools aligns with
			 * the top of the viewport (under the Master Bar)
			 */
			var adjustedScroll;
			if ( editor.settings.wp_autoresize_on ) {
				$scrollArea = $( 'html,body' );
				adjustedScroll = Math.max( selectionPosition - visibleAreaHeight / 2, edToolsOffsetTop - edToolsHeight );
			} else {
				$scrollArea = $( editor.contentDocument ).find( 'html,body' );
				adjustedScroll = elementTop;
			}

			$scrollArea.animate( {
				scrollTop: parseInt( adjustedScroll, 10 )
			}, 100 );
		}

		/**
		 * This method was extracted from the `SaveContent` hook in
		 * `wp-includes/js/tinymce/plugins/wordpress/plugin.js`.
		 *
		 * It's needed here, since the method changes the content a bit, which confuses the cursor position.
		 *
		 * @param {Object} event TinyMCE event object.
		 */
		function fixTextAreaContent( event ) {
			// Keep empty paragraphs :(
			event.content = event.content.replace( /<p>(?:<br ?\/?>|\u00a0|\uFEFF| )*<\/p>/g, '<p>&nbsp;</p>' );
		}

		/**
		 * Finds the current selection position in the Visual editor.
		 *
		 * Find the current selection in the Visual editor by inserting marker elements at the start
		 * and end of the selection.
		 *
		 * Uses the standard DOM selection API to achieve that goal.
		 *
		 * Check the notes in the comments in the code below for more information on some gotchas
		 * and why this solution was chosen.
		 *
		 * @param {Object} editor The editor where we must find the selection.
		 * @return {(null|Object)} The selection range position in the editor.
		 */
		function findBookmarkedPosition( editor ) {
			// Get the TinyMCE `window` reference, since we need to access the raw selection.
			var TinyMCEWindow = editor.getWin(),
				selection = TinyMCEWindow.getSelection();

			if ( ! selection || selection.rangeCount < 1 ) {
				// no selection, no need to continue.
				return;
			}

			/**
			 * The ID is used to avoid replacing user generated content, that may coincide with the
			 * format specified below.
			 * @type {string}
			 */
			var selectionID = 'SELRES_' + Math.random();

			/**
			 * Create two marker elements that will be used to mark the start and the end of the range.
			 *
			 * The elements have hardcoded style that makes them invisible. This is done to avoid seeing
			 * random content flickering in the editor when switching between modes.
			 */
			var spanSkeleton = getCursorMarkerSpan( editor.$, selectionID ),
				startElement = spanSkeleton.clone().addClass( 'mce_SELRES_start' ),
				endElement = spanSkeleton.clone().addClass( 'mce_SELRES_end' );

			/**
			 * Inspired by:
			 * @link https://stackoverflow.com/a/17497803/153310
			 *
			 * Why do it this way and not with TinyMCE's bookmarks?
			 *
			 * TinyMCE's bookmarks are very nice when working with selections and positions, BUT
			 * there is no way to determine the precise position of the bookmark when switching modes, since
			 * TinyMCE does some serialization of the content, to fix things like shortcodes, run plugins, prettify
			 * HTML code and so on. In this process, the bookmark markup gets lost.
			 *
			 * If we decide to hook right after the bookmark is added, we can see where the bookmark is in the raw HTML
			 * in TinyMCE. Unfortunately this state is before the serialization, so any visual markup in the content will
			 * throw off the positioning.
			 *
			 * To avoid this, we insert two custom `span`s that will serve as the markers at the beginning and end of the
			 * selection.
			 *
			 * Why not use TinyMCE's selection API or the DOM API to wrap the contents? Because if we do that, this creates
			 * a new node, which is inserted in the dom. Now this will be fine, if we worked with fixed selections to
			 * full nodes. Unfortunately in our case, the user can select whatever they like, which means that the
			 * selection may start in the middle of one node and end in the middle of a completely different one. If we
			 * wrap the selection in another node, this will create artifacts in the content.
			 *
			 * Using the method below, we insert the custom `span` nodes at the start and at the end of the selection.
			 * This helps us not break the content and also gives us the option to work with multi-node selections without
			 * breaking the markup.
			 */
			var range = selection.getRangeAt( 0 ),
				startNode = range.startContainer,
				startOffset = range.startOffset,
				boundaryRange = range.cloneRange();

			/**
			 * If the selection is on a shortcode with Live View, TinyMCE creates a bogus markup,
			 * which we have to account for.
			 */
			if ( editor.$( startNode ).parents( '.mce-offscreen-selection' ).length > 0 ) {
				startNode = editor.$( '[data-mce-selected]' )[0];

				/**
				 * Marking the start and end element with `data-mce-object-selection` helps
				 * discern when the selected object is a Live Preview selection.
				 *
				 * This way we can adjust the selection to properly select only the content, ignoring
				 * whitespace inserted around the selected object by the Editor.
				 */
				startElement.attr( 'data-mce-object-selection', 'true' );
				endElement.attr( 'data-mce-object-selection', 'true' );

				editor.$( startNode ).before( startElement[0] );
				editor.$( startNode ).after( endElement[0] );
			} else {
				boundaryRange.collapse( false );
				boundaryRange.insertNode( endElement[0] );

				boundaryRange.setStart( startNode, startOffset );
				boundaryRange.collapse( true );
				boundaryRange.insertNode( startElement[0] );

				range.setStartAfter( startElement[0] );
				range.setEndBefore( endElement[0] );
				selection.removeAllRanges();
				selection.addRange( range );
			}

			/**
			 * Now the editor's content has the start/end nodes.
			 *
			 * Unfortunately the content goes through some more changes after this step, before it gets inserted
			 * in the `textarea`. This means that we have to do some minor cleanup on our own here.
			 */
			editor.on( 'GetContent', fixTextAreaContent );

			var content = removep( editor.getContent() );

			editor.off( 'GetContent', fixTextAreaContent );

			startElement.remove();
			endElement.remove();

			var startRegex = new RegExp(
				'<span[^>]*\\s*class="mce_SELRES_start"[^>]+>\\s*' + selectionID + '[^<]*<\\/span>(\\s*)'
			);

			var endRegex = new RegExp(
				'(\\s*)<span[^>]*\\s*class="mce_SELRES_end"[^>]+>\\s*' + selectionID + '[^<]*<\\/span>'
			);

			var startMatch = content.match( startRegex ),
				endMatch = content.match( endRegex );

			if ( ! startMatch ) {
				return null;
			}

			var startIndex = startMatch.index,
				startMatchLength = startMatch[0].length,
				endIndex = null;

			if (endMatch) {
				/**
				 * Adjust the selection index, if the selection contains a Live Preview object or not.
				 *
				 * Check where the `data-mce-object-selection` attribute is set above for more context.
				 */
				if ( startMatch[0].indexOf( 'data-mce-object-selection' ) !== -1 ) {
					startMatchLength -= startMatch[1].length;
				}

				var endMatchIndex = endMatch.index;

				if ( endMatch[0].indexOf( 'data-mce-object-selection' ) !== -1 ) {
					endMatchIndex -= endMatch[1].length;
				}

				// We need to adjust the end position to discard the length of the range start marker.
				endIndex = endMatchIndex - startMatchLength;
			}

			return {
				start: startIndex,
				end: endIndex
			};
		}

		/**
		 * Selects text in the TinyMCE `textarea`.
		 *
		 * Selects the text in TinyMCE's textarea that's between `selection.start` and `selection.end`.
		 *
		 * For `selection` parameter:
		 * @link findBookmarkedPosition
		 *
		 * @param {Object} editor TinyMCE's editor instance.
		 * @param {Object} selection Selection data.
		 */
		function selectTextInTextArea( editor, selection ) {
			// Only valid in the text area mode and if we have selection.
			if ( ! selection ) {
				return;
			}

			var textArea = editor.getElement(),
				start = selection.start,
				end = selection.end || selection.start;

			if ( textArea.focus ) {
				// Wait for the Visual editor to be hidden, then focus and scroll to the position.
				setTimeout( function() {
					textArea.setSelectionRange( start, end );
					if ( textArea.blur ) {
						// Defocus before focusing.
						textArea.blur();
					}
					textArea.focus();
				}, 100 );
			}
		}

		// Restore the selection when the editor is initialized. Needed when the Code editor is the default.
		$( document ).on( 'tinymce-editor-init.keep-scroll-position', function( event, editor ) {
			if ( editor.$( '.mce_SELRES_start' ).length ) {
				focusHTMLBookmarkInVisualEditor( editor );
			}
		} );

		/**
		 * Replaces <p> tags with two line breaks. "Opposite" of wpautop().
		 *
		 * Replaces <p> tags with two line breaks except where the <p> has attributes.
		 * Unifies whitespace.
		 * Indents <li>, <dt> and <dd> for better readability.
		 *
		 * @since 2.5.0
		 *
		 * @memberof switchEditors
		 *
		 * @param {string} html The content from the editor.
		 * @return {string} The content with stripped paragraph tags.
		 */
		function removep( html ) {
			var blocklist = 'blockquote|ul|ol|li|dl|dt|dd|table|thead|tbody|tfoot|tr|th|td|h[1-6]|fieldset|figure',
				blocklist1 = blocklist + '|div|p',
				blocklist2 = blocklist + '|pre',
				preserve_linebreaks = false,
				preserve_br = false,
				preserve = [];

			if ( ! html ) {
				return '';
			}

			// Protect script and style tags.
			if ( html.indexOf( '<script' ) !== -1 || html.indexOf( '<style' ) !== -1 ) {
				html = html.replace( /<(script|style)[^>]*>[\s\S]*?<\/\1>/g, function( match ) {
					preserve.push( match );
					return '<wp-preserve>';
				} );
			}

			// Protect pre tags.
			if ( html.indexOf( '<pre' ) !== -1 ) {
				preserve_linebreaks = true;
				html = html.replace( /<pre[^>]*>[\s\S]+?<\/pre>/g, function( a ) {
					a = a.replace( /<br ?\/?>(\r\n|\n)?/g, '<wp-line-break>' );
					a = a.replace( /<\/?p( [^>]*)?>(\r\n|\n)?/g, '<wp-line-break>' );
					return a.replace( /\r?\n/g, '<wp-line-break>' );
				});
			}

			// Remove line breaks but keep <br> tags inside image captions.
			if ( html.indexOf( '[caption' ) !== -1 ) {
				preserve_br = true;
				html = html.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
					return a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' ).replace( /[\r\n\t]+/, '' );
				});
			}

			// Normalize white space characters before and after block tags.
			html = html.replace( new RegExp( '\\s*</(' + blocklist1 + ')>\\s*', 'g' ), '</$1>\n' );
			html = html.replace( new RegExp( '\\s*<((?:' + blocklist1 + ')(?: [^>]*)?)>', 'g' ), '\n<$1>' );

			// Mark </p> if it has any attributes.
			html = html.replace( /(<p [^>]+>.*?)<\/p>/g, '$1</p#>' );

			// Preserve the first <p> inside a <div>.
			html = html.replace( /<div( [^>]*)?>\s*<p>/gi, '<div$1>\n\n' );

			// Remove paragraph tags.
			html = html.replace( /\s*<p>/gi, '' );
			html = html.replace( /\s*<\/p>\s*/gi, '\n\n' );

			// Normalize white space chars and remove multiple line breaks.
			html = html.replace( /\n[\s\u00a0]+\n/g, '\n\n' );

			// Replace <br> tags with line breaks.
			html = html.replace( /(\s*)<br ?\/?>\s*/gi, function( match, space ) {
				if ( space && space.indexOf( '\n' ) !== -1 ) {
					return '\n\n';
				}

				return '\n';
			});

			// Fix line breaks around <div>.
			html = html.replace( /\s*<div/g, '\n<div' );
			html = html.replace( /<\/div>\s*/g, '</div>\n' );

			// Fix line breaks around caption shortcodes.
			html = html.replace( /\s*\[caption([^\[]+)\[\/caption\]\s*/gi, '\n\n[caption$1[/caption]\n\n' );
			html = html.replace( /caption\]\n\n+\[caption/g, 'caption]\n\n[caption' );

			// Pad block elements tags with a line break.
			html = html.replace( new RegExp('\\s*<((?:' + blocklist2 + ')(?: [^>]*)?)\\s*>', 'g' ), '\n<$1>' );
			html = html.replace( new RegExp('\\s*</(' + blocklist2 + ')>\\s*', 'g' ), '</$1>\n' );

			// Indent <li>, <dt> and <dd> tags.
			html = html.replace( /<((li|dt|dd)[^>]*)>/g, ' \t<$1>' );

			// Fix line breaks around <select> and <option>.
			if ( html.indexOf( '<option' ) !== -1 ) {
				html = html.replace( /\s*<option/g, '\n<option' );
				html = html.replace( /\s*<\/select>/g, '\n</select>' );
			}

			// Pad <hr> with two line breaks.
			if ( html.indexOf( '<hr' ) !== -1 ) {
				html = html.replace( /\s*<hr( [^>]*)?>\s*/g, '\n\n<hr$1>\n\n' );
			}

			// Remove line breaks in <object> tags.
			if ( html.indexOf( '<object' ) !== -1 ) {
				html = html.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
					return a.replace( /[\r\n]+/g, '' );
				});
			}

			// Unmark special paragraph closing tags.
			html = html.replace( /<\/p#>/g, '</p>\n' );

			// Pad remaining <p> tags whit a line break.
			html = html.replace( /\s*(<p [^>]+>[\s\S]*?<\/p>)/g, '\n$1' );

			// Trim.
			html = html.replace( /^\s+/, '' );
			html = html.replace( /[\s\u00a0]+$/, '' );

			if ( preserve_linebreaks ) {
				html = html.replace( /<wp-line-break>/g, '\n' );
			}

			if ( preserve_br ) {
				html = html.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
			}

			// Restore preserved tags.
			if ( preserve.length ) {
				html = html.replace( /<wp-preserve>/g, function() {
					return preserve.shift();
				} );
			}

			return html;
		}

		/**
		 * Replaces two line breaks with a paragraph tag and one line break with a <br>.
		 *
		 * Similar to `wpautop()` in formatting.php.
		 *
		 * @since 2.5.0
		 *
		 * @memberof switchEditors
		 *
		 * @param {string} text The text input.
		 * @return {string} The formatted text.
		 */
		function autop( text ) {
			var preserve_linebreaks = false,
				preserve_br = false,
				blocklist = 'table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre' +
					'|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section' +
					'|article|aside|hgroup|header|footer|nav|figure|figcaption|details|menu|summary';

			// Normalize line breaks.
			text = text.replace( /\r\n|\r/g, '\n' );

			// Remove line breaks from <object>.
			if ( text.indexOf( '<object' ) !== -1 ) {
				text = text.replace( /<object[\s\S]+?<\/object>/g, function( a ) {
					return a.replace( /\n+/g, '' );
				});
			}

			// Remove line breaks from tags.
			text = text.replace( /<[^<>]+>/g, function( a ) {
				return a.replace( /[\n\t ]+/g, ' ' );
			});

			// Preserve line breaks in <pre> and <script> tags.
			if ( text.indexOf( '<pre' ) !== -1 || text.indexOf( '<script' ) !== -1 ) {
				preserve_linebreaks = true;
				text = text.replace( /<(pre|script)[^>]*>[\s\S]*?<\/\1>/g, function( a ) {
					return a.replace( /\n/g, '<wp-line-break>' );
				});
			}

			if ( text.indexOf( '<figcaption' ) !== -1 ) {
				text = text.replace( /\s*(<figcaption[^>]*>)/g, '$1' );
				text = text.replace( /<\/figcaption>\s*/g, '</figcaption>' );
			}

			// Keep <br> tags inside captions.
			if ( text.indexOf( '[caption' ) !== -1 ) {
				preserve_br = true;

				text = text.replace( /\[caption[\s\S]+?\[\/caption\]/g, function( a ) {
					a = a.replace( /<br([^>]*)>/g, '<wp-temp-br$1>' );

					a = a.replace( /<[^<>]+>/g, function( b ) {
						return b.replace( /[\n\t ]+/, ' ' );
					});

					return a.replace( /\s*\n\s*/g, '<wp-temp-br />' );
				});
			}

			text = text + '\n\n';
			text = text.replace( /<br \/>\s*<br \/>/gi, '\n\n' );

			// Pad block tags with two line breaks.
			text = text.replace( new RegExp( '(<(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '\n\n$1' );
			text = text.replace( new RegExp( '(</(?:' + blocklist + ')>)', 'gi' ), '$1\n\n' );
			text = text.replace( /<hr( [^>]*)?>/gi, '<hr$1>\n\n' );

			// Remove white space chars around <option>.
			text = text.replace( /\s*<option/gi, '<option' );
			text = text.replace( /<\/option>\s*/gi, '</option>' );

			// Normalize multiple line breaks and white space chars.
			text = text.replace( /\n\s*\n+/g, '\n\n' );

			// Convert two line breaks to a paragraph.
			text = text.replace( /([\s\S]+?)\n\n/g, '<p>$1</p>\n' );

			// Remove empty paragraphs.
			text = text.replace( /<p>\s*?<\/p>/gi, '');

			// Remove <p> tags that are around block tags.
			text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );
			text = text.replace( /<p>(<li.+?)<\/p>/gi, '$1');

			// Fix <p> in blockquotes.
			text = text.replace( /<p>\s*<blockquote([^>]*)>/gi, '<blockquote$1><p>');
			text = text.replace( /<\/blockquote>\s*<\/p>/gi, '</p></blockquote>');

			// Remove <p> tags that are wrapped around block tags.
			text = text.replace( new RegExp( '<p>\\s*(</?(?:' + blocklist + ')(?: [^>]*)?>)', 'gi' ), '$1' );
			text = text.replace( new RegExp( '(</?(?:' + blocklist + ')(?: [^>]*)?>)\\s*</p>', 'gi' ), '$1' );

			text = text.replace( /(<br[^>]*>)\s*\n/gi, '$1' );

			// Add <br> tags.
			text = text.replace( /\s*\n/g, '<br />\n');

			// Remove <br> tags that are around block tags.
			text = text.replace( new RegExp( '(</?(?:' + blocklist + ')[^>]*>)\\s*<br />', 'gi' ), '$1' );
			text = text.replace( /<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)/gi, '$1' );

			// Remove <p> and <br> around captions.
			text = text.replace( /(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi, '[caption$1[/caption]' );

			// Make sure there is <p> when there is </p> inside block tags that can contain other blocks.
			text = text.replace( /(<(?:div|th|td|form|fieldset|dd)[^>]*>)(.*?)<\/p>/g, function( a, b, c ) {
				if ( c.match( /<p( [^>]*)?>/ ) ) {
					return a;
				}

				return b + '<p>' + c + '</p>';
			});

			// Restore the line breaks in <pre> and <script> tags.
			if ( preserve_linebreaks ) {
				text = text.replace( /<wp-line-break>/g, '\n' );
			}

			// Restore the <br> tags in captions.
			if ( preserve_br ) {
				text = text.replace( /<wp-temp-br([^>]*)>/g, '<br$1>' );
			}

			return text;
		}

		/**
		 * Fires custom jQuery events `beforePreWpautop` and `afterPreWpautop` when jQuery is available.
		 *
		 * @since 2.9.0
		 *
		 * @memberof switchEditors
		 *
		 * @param {string} html The content from the visual editor.
		 * @return {string} the filtered content.
		 */
		function pre_wpautop( html ) {
			var obj = { o: exports, data: html, unfiltered: html };

			if ( $ ) {
				$( 'body' ).trigger( 'beforePreWpautop', [ obj ] );
			}

			obj.data = removep( obj.data );

			if ( $ ) {
				$( 'body' ).trigger( 'afterPreWpautop', [ obj ] );
			}

			return obj.data;
		}

		/**
		 * Fires custom jQuery events `beforeWpautop` and `afterWpautop` when jQuery is available.
		 *
		 * @since 2.9.0
		 *
		 * @memberof switchEditors
		 *
		 * @param {string} text The content from the text editor.
		 * @return {string} filtered content.
		 */
		function wpautop( text ) {
			var obj = { o: exports, data: text, unfiltered: text };

			if ( $ ) {
				$( 'body' ).trigger( 'beforeWpautop', [ obj ] );
			}

			obj.data = autop( obj.data );

			if ( $ ) {
				$( 'body' ).trigger( 'afterWpautop', [ obj ] );
			}

			return obj.data;
		}

		if ( $ ) {
			$( init );
		} else if ( document.addEventListener ) {
			document.addEventListener( 'DOMContentLoaded', init, false );
			window.addEventListener( 'load', init, false );
		} else if ( window.attachEvent ) {
			window.attachEvent( 'onload', init );
			document.attachEvent( 'onreadystatechange', function() {
				if ( 'complete' === document.readyState ) {
					init();
				}
			} );
		}

		wp.editor.autop = wpautop;
		wp.editor.removep = pre_wpautop;

		exports = {
			go: switchEditor,
			wpautop: wpautop,
			pre_wpautop: pre_wpautop,
			_wp_Autop: autop,
			_wp_Nop: removep
		};

		return exports;
	}

	/**
	 * Expose the switch editors to be used globally.
	 *
	 * @namespace switchEditors
	 */
	window.switchEditors = new SwitchEditors();

	/**
	 * Initialize TinyMCE and/or Quicktags. For use with wp_enqueue_editor() (PHP).
	 *
	 * Intended for use with an existing textarea that will become the Code editor tab.
	 * The editor width will be the width of the textarea container, height will be adjustable.
	 *
	 * Settings for both TinyMCE and Quicktags can be passed on initialization, and are "filtered"
	 * with custom jQuery events on the document element, wp-before-tinymce-init and wp-before-quicktags-init.
	 *
	 * @since 4.8.0
	 *
	 * @param {string} id The HTML id of the textarea that is used for the editor.
	 *                    Has to be jQuery compliant. No brackets, special chars, etc.
	 * @param {Object} settings Example:
	 * settings = {
	 *    // See https://www.tinymce.com/docs/configure/integration-and-setup/.
	 *    // Alternatively set to `true` to use the defaults.
	 *    tinymce: {
	 *        setup: function( editor ) {
	 *            console.log( 'Editor initialized', editor );
	 *        }
	 *    }
	 *
	 *    // Alternatively set to `true` to use the defaults.
	 *	  quicktags: {
	 *        buttons: 'strong,em,link'
	 *    }
	 * }
	 */
	wp.editor.initialize = function( id, settings ) {
		var init;
		var defaults;

		if ( ! $ || ! id || ! wp.editor.getDefaultSettings ) {
			return;
		}

		defaults = wp.editor.getDefaultSettings();

		// Initialize TinyMCE by default.
		if ( ! settings ) {
			settings = {
				tinymce: true
			};
		}

		// Add wrap and the Visual|Code tabs.
		if ( settings.tinymce && settings.quicktags ) {
			var $textarea = $( '#' + id );

			var $wrap = $( '<div>' ).attr( {
					'class': 'wp-core-ui wp-editor-wrap tmce-active',
					id: 'wp-' + id + '-wrap'
				} );

			var $editorContainer = $( '<div class="wp-editor-container">' );

			var $button = $( '<button>' ).attr( {
					type: 'button',
					'data-wp-editor-id': id
				} );

			var $editorTools = $( '<div class="wp-editor-tools">' );

			if ( settings.mediaButtons ) {
				var buttonText = 'Add Media';

				if ( window._wpMediaViewsL10n && window._wpMediaViewsL10n.addMedia ) {
					buttonText = window._wpMediaViewsL10n.addMedia;
				}

				var $addMediaButton = $( '<button type="button" class="button insert-media add_media">' );

				$addMediaButton.append( '<span class="wp-media-buttons-icon" aria-hidden="true"></span>' );
				$addMediaButton.append( document.createTextNode( ' ' + buttonText ) );
				$addMediaButton.data( 'editor', id );

				$editorTools.append(
					$( '<div class="wp-media-buttons">' )
						.append( $addMediaButton )
				);
			}

			$wrap.append(
				$editorTools
					.append( $( '<div class="wp-editor-tabs">' )
						.append( $button.clone().attr({
							id: id + '-tmce',
							'class': 'wp-switch-editor switch-tmce'
						}).text( window.tinymce.translate( 'Visual' ) ) )
						.append( $button.attr({
							id: id + '-html',
							'class': 'wp-switch-editor switch-html'
						}).text( window.tinymce.translate( 'Code|tab' ) ) )
					).append( $editorContainer )
			);

			$textarea.after( $wrap );
			$editorContainer.append( $textarea );
		}

		if ( window.tinymce && settings.tinymce ) {
			if ( typeof settings.tinymce !== 'object' ) {
				settings.tinymce = {};
			}

			init = $.extend( {}, defaults.tinymce, settings.tinymce );
			init.selector = '#' + id;

			$( document ).trigger( 'wp-before-tinymce-init', init );
			window.tinymce.init( init );

			if ( ! window.wpActiveEditor ) {
				window.wpActiveEditor = id;
			}
		}

		if ( window.quicktags && settings.quicktags ) {
			if ( typeof settings.quicktags !== 'object' ) {
				settings.quicktags = {};
			}

			init = $.extend( {}, defaults.quicktags, settings.quicktags );
			init.id = id;

			$( document ).trigger( 'wp-before-quicktags-init', init );
			window.quicktags( init );

			if ( ! window.wpActiveEditor ) {
				window.wpActiveEditor = init.id;
			}
		}
	};

	/**
	 * Remove one editor instance.
	 *
	 * Intended for use with editors that were initialized with wp.editor.initialize().
	 *
	 * @since 4.8.0
	 *
	 * @param {string} id The HTML id of the editor textarea.
	 */
	wp.editor.remove = function( id ) {
		var mceInstance, qtInstance,
			$wrap = $( '#wp-' + id + '-wrap' );

		if ( window.tinymce ) {
			mceInstance = window.tinymce.get( id );

			if ( mceInstance ) {
				if ( ! mceInstance.isHidden() ) {
					mceInstance.save();
				}

				mceInstance.remove();
			}
		}

		if ( window.quicktags ) {
			qtInstance = window.QTags.getInstance( id );

			if ( qtInstance ) {
				qtInstance.remove();
			}
		}

		if ( $wrap.length ) {
			$wrap.after( $( '#' + id ) );
			$wrap.remove();
		}
	};

	/**
	 * Get the editor content.
	 *
	 * Intended for use with editors that were initialized with wp.editor.initialize().
	 *
	 * @since 4.8.0
	 *
	 * @param {string} id The HTML id of the editor textarea.
	 * @return The editor content.
	 */
	wp.editor.getContent = function( id ) {
		var editor;

		if ( ! $ || ! id ) {
			return;
		}

		if ( window.tinymce ) {
			editor = window.tinymce.get( id );

			if ( editor && ! editor.isHidden() ) {
				editor.save();
			}
		}

		return $( '#' + id ).val();
	};

}( window.jQuery, window.wp ));
PK       ! �ԯ�F  �F    widgets/text-widgets.jsnu �[���        /**
 * @output wp-admin/js/widgets/text-widgets.js
 */

/* global tinymce, switchEditors */
/* eslint consistent-this: [ "error", "control" ] */

/**
 * @namespace wp.textWidgets
 */
wp.textWidgets = ( function( $ ) {
	'use strict';

	var component = {
		dismissedPointers: [],
		idBases: [ 'text' ]
	};

	component.TextWidgetControl = Backbone.View.extend(/** @lends wp.textWidgets.TextWidgetControl.prototype */{

		/**
		 * View events.
		 *
		 * @type {Object}
		 */
		events: {},

		/**
		 * Text widget control.
		 *
		 * @constructs wp.textWidgets.TextWidgetControl
		 * @augments   Backbone.View
		 * @abstract
		 *
		 * @param {Object} options - Options.
		 * @param {jQuery} options.el - Control field container element.
		 * @param {jQuery} options.syncContainer - Container element where fields are synced for the server.
		 *
		 * @return {void}
		 */
		initialize: function initialize( options ) {
			var control = this;

			if ( ! options.el ) {
				throw new Error( 'Missing options.el' );
			}
			if ( ! options.syncContainer ) {
				throw new Error( 'Missing options.syncContainer' );
			}

			Backbone.View.prototype.initialize.call( control, options );
			control.syncContainer = options.syncContainer;

			control.$el.addClass( 'text-widget-fields' );
			control.$el.html( wp.template( 'widget-text-control-fields' ) );

			control.customHtmlWidgetPointer = control.$el.find( '.wp-pointer.custom-html-widget-pointer' );
			if ( control.customHtmlWidgetPointer.length ) {
				control.customHtmlWidgetPointer.find( '.close' ).on( 'click', function( event ) {
					event.preventDefault();
					control.customHtmlWidgetPointer.hide();
					$( '#' + control.fields.text.attr( 'id' ) + '-html' ).trigger( 'focus' );
					control.dismissPointers( [ 'text_widget_custom_html' ] );
				});
				control.customHtmlWidgetPointer.find( '.add-widget' ).on( 'click', function( event ) {
					event.preventDefault();
					control.customHtmlWidgetPointer.hide();
					control.openAvailableWidgetsPanel();
				});
			}

			control.pasteHtmlPointer = control.$el.find( '.wp-pointer.paste-html-pointer' );
			if ( control.pasteHtmlPointer.length ) {
				control.pasteHtmlPointer.find( '.close' ).on( 'click', function( event ) {
					event.preventDefault();
					control.pasteHtmlPointer.hide();
					control.editor.focus();
					control.dismissPointers( [ 'text_widget_custom_html', 'text_widget_paste_html' ] );
				});
			}

			control.fields = {
				title: control.$el.find( '.title' ),
				text: control.$el.find( '.text' )
			};

			// Sync input fields to hidden sync fields which actually get sent to the server.
			_.each( control.fields, function( fieldInput, fieldName ) {
				fieldInput.on( 'input change', function updateSyncField() {
					var syncInput = control.syncContainer.find( '.sync-input.' + fieldName );
					if ( syncInput.val() !== fieldInput.val() ) {
						syncInput.val( fieldInput.val() );
						syncInput.trigger( 'change' );
					}
				});

				// Note that syncInput cannot be re-used because it will be destroyed with each widget-updated event.
				fieldInput.val( control.syncContainer.find( '.sync-input.' + fieldName ).val() );
			});
		},

		/**
		 * Dismiss pointers for Custom HTML widget.
		 *
		 * @since 4.8.1
		 *
		 * @param {Array} pointers Pointer IDs to dismiss.
		 * @return {void}
		 */
		dismissPointers: function dismissPointers( pointers ) {
			_.each( pointers, function( pointer ) {
				wp.ajax.post( 'dismiss-wp-pointer', {
					pointer: pointer
				});
				component.dismissedPointers.push( pointer );
			});
		},

		/**
		 * Open available widgets panel.
		 *
		 * @since 4.8.1
		 * @return {void}
		 */
		openAvailableWidgetsPanel: function openAvailableWidgetsPanel() {
			var sidebarControl;
			wp.customize.section.each( function( section ) {
				if ( section.extended( wp.customize.Widgets.SidebarSection ) && section.expanded() ) {
					sidebarControl = wp.customize.control( 'sidebars_widgets[' + section.params.sidebarId + ']' );
				}
			});
			if ( ! sidebarControl ) {
				return;
			}
			setTimeout( function() { // Timeout to prevent click event from causing panel to immediately collapse.
				wp.customize.Widgets.availableWidgetsPanel.open( sidebarControl );
				wp.customize.Widgets.availableWidgetsPanel.$search.val( 'HTML' ).trigger( 'keyup' );
			});
		},

		/**
		 * Update input fields from the sync fields.
		 *
		 * This function is called at the widget-updated and widget-synced events.
		 * A field will only be updated if it is not currently focused, to avoid
		 * overwriting content that the user is entering.
		 *
		 * @return {void}
		 */
		updateFields: function updateFields() {
			var control = this, syncInput;

			if ( ! control.fields.title.is( document.activeElement ) ) {
				syncInput = control.syncContainer.find( '.sync-input.title' );
				control.fields.title.val( syncInput.val() );
			}

			syncInput = control.syncContainer.find( '.sync-input.text' );
			if ( control.fields.text.is( ':visible' ) ) {
				if ( ! control.fields.text.is( document.activeElement ) ) {
					control.fields.text.val( syncInput.val() );
				}
			} else if ( control.editor && ! control.editorFocused && syncInput.val() !== control.fields.text.val() ) {
				control.editor.setContent( wp.oldEditor.autop( syncInput.val() ) );
			}
		},

		/**
		 * Initialize editor.
		 *
		 * @return {void}
		 */
		initializeEditor: function initializeEditor() {
			var control = this, changeDebounceDelay = 1000, id, textarea, triggerChangeIfDirty, restoreTextMode = false, needsTextareaChangeTrigger = false, previousValue;
			textarea = control.fields.text;
			id = textarea.attr( 'id' );
			previousValue = textarea.val();

			/**
			 * Trigger change if dirty.
			 *
			 * @return {void}
			 */
			triggerChangeIfDirty = function() {
				var updateWidgetBuffer = 300; // See wp.customize.Widgets.WidgetControl._setupUpdateUI() which uses 250ms for updateWidgetDebounced.
				if ( control.editor.isDirty() ) {

					/*
					 * Account for race condition in customizer where user clicks Save & Publish while
					 * focus was just previously given to the editor. Since updates to the editor
					 * are debounced at 1 second and since widget input changes are only synced to
					 * settings after 250ms, the customizer needs to be put into the processing
					 * state during the time between the change event is triggered and updateWidget
					 * logic starts. Note that the debounced update-widget request should be able
					 * to be removed with the removal of the update-widget request entirely once
					 * widgets are able to mutate their own instance props directly in JS without
					 * having to make server round-trips to call the respective WP_Widget::update()
					 * callbacks. See <https://core.trac.wordpress.org/ticket/33507>.
					 */
					if ( wp.customize && wp.customize.state ) {
						wp.customize.state( 'processing' ).set( wp.customize.state( 'processing' ).get() + 1 );
						_.delay( function() {
							wp.customize.state( 'processing' ).set( wp.customize.state( 'processing' ).get() - 1 );
						}, updateWidgetBuffer );
					}

					if ( ! control.editor.isHidden() ) {
						control.editor.save();
					}
				}

				// Trigger change on textarea when it has changed so the widget can enter a dirty state.
				if ( needsTextareaChangeTrigger && previousValue !== textarea.val() ) {
					textarea.trigger( 'change' );
					needsTextareaChangeTrigger = false;
					previousValue = textarea.val();
				}
			};

			// Just-in-time force-update the hidden input fields.
			control.syncContainer.closest( '.widget' ).find( '[name=savewidget]:first' ).on( 'click', function onClickSaveButton() {
				triggerChangeIfDirty();
			});

			/**
			 * Build (or re-build) the visual editor.
			 *
			 * @return {void}
			 */
			function buildEditor() {
				var editor, onInit, showPointerElement;

				// Abort building if the textarea is gone, likely due to the widget having been deleted entirely.
				if ( ! document.getElementById( id ) ) {
					return;
				}

				// The user has disabled TinyMCE.
				if ( typeof window.tinymce === 'undefined' ) {
					wp.oldEditor.initialize( id, {
						quicktags: true,
						mediaButtons: true
					});

					return;
				}

				// Destroy any existing editor so that it can be re-initialized after a widget-updated event.
				if ( tinymce.get( id ) ) {
					restoreTextMode = tinymce.get( id ).isHidden();
					wp.oldEditor.remove( id );
				}

				// Add or enable the `wpview` plugin.
				$( document ).one( 'wp-before-tinymce-init.text-widget-init', function( event, init ) {
					// If somebody has removed all plugins, they must have a good reason.
					// Keep it that way.
					if ( ! init.plugins ) {
						return;
					} else if ( ! /\bwpview\b/.test( init.plugins ) ) {
						init.plugins += ',wpview';
					}
				} );

				wp.oldEditor.initialize( id, {
					tinymce: {
						wpautop: true
					},
					quicktags: true,
					mediaButtons: true
				});

				/**
				 * Show a pointer, focus on dismiss, and speak the contents for a11y.
				 *
				 * @param {jQuery} pointerElement Pointer element.
				 * @return {void}
				 */
				showPointerElement = function( pointerElement ) {
					pointerElement.show();
					pointerElement.find( '.close' ).trigger( 'focus' );
					wp.a11y.speak( pointerElement.find( 'h3, p' ).map( function() {
						return $( this ).text();
					} ).get().join( '\n\n' ) );
				};

				editor = window.tinymce.get( id );
				if ( ! editor ) {
					throw new Error( 'Failed to initialize editor' );
				}
				onInit = function() {

					// When a widget is moved in the DOM the dynamically-created TinyMCE iframe will be destroyed and has to be re-built.
					$( editor.getWin() ).on( 'pagehide', function() {
						_.defer( buildEditor );
					});

					// If a prior mce instance was replaced, and it was in text mode, toggle to text mode.
					if ( restoreTextMode ) {
						switchEditors.go( id, 'html' );
					}

					// Show the pointer.
					$( '#' + id + '-html' ).on( 'click', function() {
						control.pasteHtmlPointer.hide(); // Hide the HTML pasting pointer.

						if ( -1 !== component.dismissedPointers.indexOf( 'text_widget_custom_html' ) ) {
							return;
						}
						showPointerElement( control.customHtmlWidgetPointer );
					});

					// Hide the pointer when switching tabs.
					$( '#' + id + '-tmce' ).on( 'click', function() {
						control.customHtmlWidgetPointer.hide();
					});

					// Show pointer when pasting HTML.
					editor.on( 'pastepreprocess', function( event ) {
						var content = event.content;
						if ( -1 !== component.dismissedPointers.indexOf( 'text_widget_paste_html' ) || ! content || ! /&lt;\w+.*?&gt;/.test( content ) ) {
							return;
						}

						// Show the pointer after a slight delay so the user sees what they pasted.
						_.delay( function() {
							showPointerElement( control.pasteHtmlPointer );
						}, 250 );
					});
				};

				if ( editor.initialized ) {
					onInit();
				} else {
					editor.on( 'init', onInit );
				}

				control.editorFocused = false;

				editor.on( 'focus', function onEditorFocus() {
					control.editorFocused = true;
				});
				editor.on( 'paste', function onEditorPaste() {
					editor.setDirty( true ); // Because pasting doesn't currently set the dirty state.
					triggerChangeIfDirty();
				});
				editor.on( 'NodeChange', function onNodeChange() {
					needsTextareaChangeTrigger = true;
				});
				editor.on( 'NodeChange', _.debounce( triggerChangeIfDirty, changeDebounceDelay ) );
				editor.on( 'blur hide', function onEditorBlur() {
					control.editorFocused = false;
					triggerChangeIfDirty();
				});

				control.editor = editor;
			}

			buildEditor();
		}
	});

	/**
	 * Mapping of widget ID to instances of TextWidgetControl subclasses.
	 *
	 * @memberOf wp.textWidgets
	 *
	 * @type {Object.<string, wp.textWidgets.TextWidgetControl>}
	 */
	component.widgetControls = {};

	/**
	 * Handle widget being added or initialized for the first time at the widget-added event.
	 *
	 * @memberOf wp.textWidgets
	 *
	 * @param {jQuery.Event} event - Event.
	 * @param {jQuery}       widgetContainer - Widget container element.
	 *
	 * @return {void}
	 */
	component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
		var widgetForm, idBase, widgetControl, widgetId, animatedCheckDelay = 50, renderWhenAnimationDone, fieldContainer, syncContainer;
		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' ); // Note: '.form' appears in the customizer, whereas 'form' on the widgets admin screen.

		idBase = widgetForm.find( '> .id_base' ).val();
		if ( -1 === component.idBases.indexOf( idBase ) ) {
			return;
		}

		// Prevent initializing already-added widgets.
		widgetId = widgetForm.find( '.widget-id' ).val();
		if ( component.widgetControls[ widgetId ] ) {
			return;
		}

		// Bypass using TinyMCE when widget is in legacy mode.
		if ( ! widgetForm.find( '.visual' ).val() ) {
			return;
		}

		/*
		 * Create a container element for the widget control fields.
		 * This is inserted into the DOM immediately before the .widget-content
		 * element because the contents of this element are essentially "managed"
		 * by PHP, where each widget update cause the entire element to be emptied
		 * and replaced with the rendered output of WP_Widget::form() which is
		 * sent back in Ajax request made to save/update the widget instance.
		 * To prevent a "flash of replaced DOM elements and re-initialized JS
		 * components", the JS template is rendered outside of the normal form
		 * container.
		 */
		fieldContainer = $( '<div></div>' );
		syncContainer = widgetContainer.find( '.widget-content:first' );
		syncContainer.before( fieldContainer );

		widgetControl = new component.TextWidgetControl({
			el: fieldContainer,
			syncContainer: syncContainer
		});

		component.widgetControls[ widgetId ] = widgetControl;

		/*
		 * Render the widget once the widget parent's container finishes animating,
		 * as the widget-added event fires with a slideDown of the container.
		 * This ensures that the textarea is visible and an iframe can be embedded
		 * with TinyMCE being able to set contenteditable on it.
		 */
		renderWhenAnimationDone = function() {
			if ( ! widgetContainer.hasClass( 'open' ) ) {
				setTimeout( renderWhenAnimationDone, animatedCheckDelay );
			} else {
				widgetControl.initializeEditor();
			}
		};
		renderWhenAnimationDone();
	};

	/**
	 * Setup widget in accessibility mode.
	 *
	 * @memberOf wp.textWidgets
	 *
	 * @return {void}
	 */
	component.setupAccessibleMode = function setupAccessibleMode() {
		var widgetForm, idBase, widgetControl, fieldContainer, syncContainer;
		widgetForm = $( '.editwidget > form' );
		if ( 0 === widgetForm.length ) {
			return;
		}

		idBase = widgetForm.find( '.id_base' ).val();
		if ( -1 === component.idBases.indexOf( idBase ) ) {
			return;
		}

		// Bypass using TinyMCE when widget is in legacy mode.
		if ( ! widgetForm.find( '.visual' ).val() ) {
			return;
		}

		fieldContainer = $( '<div></div>' );
		syncContainer = widgetForm.find( '> .widget-inside' );
		syncContainer.before( fieldContainer );

		widgetControl = new component.TextWidgetControl({
			el: fieldContainer,
			syncContainer: syncContainer
		});

		widgetControl.initializeEditor();
	};

	/**
	 * Sync widget instance data sanitized from server back onto widget model.
	 *
	 * This gets called via the 'widget-updated' event when saving a widget from
	 * the widgets admin screen and also via the 'widget-synced' event when making
	 * a change to a widget in the customizer.
	 *
	 * @memberOf wp.textWidgets
	 *
	 * @param {jQuery.Event} event - Event.
	 * @param {jQuery}       widgetContainer - Widget container element.
	 * @return {void}
	 */
	component.handleWidgetUpdated = function handleWidgetUpdated( event, widgetContainer ) {
		var widgetForm, widgetId, widgetControl, idBase;
		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' );

		idBase = widgetForm.find( '> .id_base' ).val();
		if ( -1 === component.idBases.indexOf( idBase ) ) {
			return;
		}

		widgetId = widgetForm.find( '> .widget-id' ).val();
		widgetControl = component.widgetControls[ widgetId ];
		if ( ! widgetControl ) {
			return;
		}

		widgetControl.updateFields();
	};

	/**
	 * Initialize functionality.
	 *
	 * This function exists to prevent the JS file from having to boot itself.
	 * When WordPress enqueues this script, it should have an inline script
	 * attached which calls wp.textWidgets.init().
	 *
	 * @memberOf wp.textWidgets
	 *
	 * @return {void}
	 */
	component.init = function init() {
		var $document = $( document );
		$document.on( 'widget-added', component.handleWidgetAdded );
		$document.on( 'widget-synced widget-updated', component.handleWidgetUpdated );

		/*
		 * Manually trigger widget-added events for media widgets on the admin
		 * screen once they are expanded. The widget-added event is not triggered
		 * for each pre-existing widget on the widgets admin screen like it is
		 * on the customizer. Likewise, the customizer only triggers widget-added
		 * when the widget is expanded to just-in-time construct the widget form
		 * when it is actually going to be displayed. So the following implements
		 * the same for the widgets admin screen, to invoke the widget-added
		 * handler when a pre-existing media widget is expanded.
		 */
		$( function initializeExistingWidgetContainers() {
			var widgetContainers;
			if ( 'widgets' !== window.pagenow ) {
				return;
			}
			widgetContainers = $( '.widgets-holder-wrap:not(#available-widgets)' ).find( 'div.widget' );
			widgetContainers.one( 'click.toggle-widget-expanded', function toggleWidgetExpanded() {
				var widgetContainer = $( this );
				component.handleWidgetAdded( new jQuery.Event( 'widget-added' ), widgetContainer );
			});

			// Accessibility mode.
			component.setupAccessibleMode();
		});
	};

	return component;
})( jQuery );
PK       ! ���^l  l    widgets/media-video-widget.jsnu �[���        /**
 * @output wp-admin/js/widgets/media-video-widget.js
 */

/* eslint consistent-this: [ "error", "control" ] */
(function( component ) {
	'use strict';

	var VideoWidgetModel, VideoWidgetControl, VideoDetailsMediaFrame;

	/**
	 * Custom video details frame that removes the replace-video state.
	 *
	 * @class    wp.mediaWidgets.controlConstructors~VideoDetailsMediaFrame
	 * @augments wp.media.view.MediaFrame.VideoDetails
	 *
	 * @private
	 */
	VideoDetailsMediaFrame = wp.media.view.MediaFrame.VideoDetails.extend(/** @lends wp.mediaWidgets.controlConstructors~VideoDetailsMediaFrame.prototype */{

		/**
		 * Create the default states.
		 *
		 * @return {void}
		 */
		createStates: function createStates() {
			this.states.add([
				new wp.media.controller.VideoDetails({
					media: this.media
				}),

				new wp.media.controller.MediaLibrary({
					type: 'video',
					id: 'add-video-source',
					title: wp.media.view.l10n.videoAddSourceTitle,
					toolbar: 'add-video-source',
					media: this.media,
					menu: false
				}),

				new wp.media.controller.MediaLibrary({
					type: 'text',
					id: 'add-track',
					title: wp.media.view.l10n.videoAddTrackTitle,
					toolbar: 'add-track',
					media: this.media,
					menu: 'video-details'
				})
			]);
		}
	});

	/**
	 * Video widget model.
	 *
	 * See WP_Widget_Video::enqueue_admin_scripts() for amending prototype from PHP exports.
	 *
	 * @class    wp.mediaWidgets.modelConstructors.media_video
	 * @augments wp.mediaWidgets.MediaWidgetModel
	 */
	VideoWidgetModel = component.MediaWidgetModel.extend({});

	/**
	 * Video widget control.
	 *
	 * See WP_Widget_Video::enqueue_admin_scripts() for amending prototype from PHP exports.
	 *
	 * @class    wp.mediaWidgets.controlConstructors.media_video
	 * @augments wp.mediaWidgets.MediaWidgetControl
	 */
	VideoWidgetControl = component.MediaWidgetControl.extend(/** @lends wp.mediaWidgets.controlConstructors.media_video.prototype */{

		/**
		 * Show display settings.
		 *
		 * @type {boolean}
		 */
		showDisplaySettings: false,

		/**
		 * Cache of oembed responses.
		 *
		 * @type {Object}
		 */
		oembedResponses: {},

		/**
		 * Map model props to media frame props.
		 *
		 * @param {Object} modelProps - Model props.
		 * @return {Object} Media frame props.
		 */
		mapModelToMediaFrameProps: function mapModelToMediaFrameProps( modelProps ) {
			var control = this, mediaFrameProps;
			mediaFrameProps = component.MediaWidgetControl.prototype.mapModelToMediaFrameProps.call( control, modelProps );
			mediaFrameProps.link = 'embed';
			return mediaFrameProps;
		},

		/**
		 * Fetches embed data for external videos.
		 *
		 * @return {void}
		 */
		fetchEmbed: function fetchEmbed() {
			var control = this, url;
			url = control.model.get( 'url' );

			// If we already have a local cache of the embed response, return.
			if ( control.oembedResponses[ url ] ) {
				return;
			}

			// If there is an in-flight embed request, abort it.
			if ( control.fetchEmbedDfd && 'pending' === control.fetchEmbedDfd.state() ) {
				control.fetchEmbedDfd.abort();
			}

			control.fetchEmbedDfd = wp.apiRequest({
				url: wp.media.view.settings.oEmbedProxyUrl,
				data: {
					url: control.model.get( 'url' ),
					maxwidth: control.model.get( 'width' ),
					maxheight: control.model.get( 'height' ),
					discover: false
				},
				type: 'GET',
				dataType: 'json',
				context: control
			});

			control.fetchEmbedDfd.done( function( response ) {
				control.oembedResponses[ url ] = response;
				control.renderPreview();
			});

			control.fetchEmbedDfd.fail( function() {
				control.oembedResponses[ url ] = null;
			});
		},

		/**
		 * Whether a url is a supported external host.
		 *
		 * @deprecated since 4.9.
		 *
		 * @return {boolean} Whether url is a supported video host.
		 */
		isHostedVideo: function isHostedVideo() {
			return true;
		},

		/**
		 * Render preview.
		 *
		 * @return {void}
		 */
		renderPreview: function renderPreview() {
			var control = this, previewContainer, previewTemplate, attachmentId, attachmentUrl, poster, html = '', isOEmbed = false, mime, error, urlParser, matches;
			attachmentId = control.model.get( 'attachment_id' );
			attachmentUrl = control.model.get( 'url' );
			error = control.model.get( 'error' );

			if ( ! attachmentId && ! attachmentUrl ) {
				return;
			}

			// Verify the selected attachment mime is supported.
			mime = control.selectedAttachment.get( 'mime' );
			if ( mime && attachmentId ) {
				if ( ! _.contains( _.values( wp.media.view.settings.embedMimes ), mime ) ) {
					error = 'unsupported_file_type';
				}
			} else if ( ! attachmentId ) {
				urlParser = document.createElement( 'a' );
				urlParser.href = attachmentUrl;
				matches = urlParser.pathname.toLowerCase().match( /\.(\w+)$/ );
				if ( matches ) {
					if ( ! _.contains( _.keys( wp.media.view.settings.embedMimes ), matches[1] ) ) {
						error = 'unsupported_file_type';
					}
				} else {
					isOEmbed = true;
				}
			}

			if ( isOEmbed ) {
				control.fetchEmbed();
				if ( control.oembedResponses[ attachmentUrl ] ) {
					poster = control.oembedResponses[ attachmentUrl ].thumbnail_url;
					html = control.oembedResponses[ attachmentUrl ].html.replace( /\swidth="\d+"/, ' width="100%"' ).replace( /\sheight="\d+"/, '' );
				}
			}

			previewContainer = control.$el.find( '.media-widget-preview' );
			previewTemplate = wp.template( 'wp-media-widget-video-preview' );

			previewContainer.html( previewTemplate({
				model: {
					attachment_id: attachmentId,
					html: html,
					src: attachmentUrl,
					poster: poster
				},
				is_oembed: isOEmbed,
				error: error
			}));
			wp.mediaelement.initialize();
		},

		/**
		 * Open the media image-edit frame to modify the selected item.
		 *
		 * @return {void}
		 */
		editMedia: function editMedia() {
			var control = this, mediaFrame, metadata, updateCallback;

			metadata = control.mapModelToMediaFrameProps( control.model.toJSON() );

			// Set up the media frame.
			mediaFrame = new VideoDetailsMediaFrame({
				frame: 'video',
				state: 'video-details',
				metadata: metadata
			});
			wp.media.frame = mediaFrame;
			mediaFrame.$el.addClass( 'media-widget' );

			updateCallback = function( mediaFrameProps ) {

				// Update cached attachment object to avoid having to re-fetch. This also triggers re-rendering of preview.
				control.selectedAttachment.set( mediaFrameProps );

				control.model.set( _.extend(
					_.omit( control.model.defaults(), 'title' ),
					control.mapMediaToModelProps( mediaFrameProps ),
					{ error: false }
				) );
			};

			mediaFrame.state( 'video-details' ).on( 'update', updateCallback );
			mediaFrame.state( 'replace-video' ).on( 'replace', updateCallback );
			mediaFrame.on( 'close', function() {
				mediaFrame.detach();
			});

			mediaFrame.open();
		}
	});

	// Exports.
	component.controlConstructors.media_video = VideoWidgetControl;
	component.modelConstructors.media_video = VideoWidgetModel;

})( wp.mediaWidgets );
PK       ! �JIr(  r(    widgets/media-gallery-widget.jsnu �[���        /**
 * @output wp-admin/js/widgets/media-gallery-widget.js
 */

/* eslint consistent-this: [ "error", "control" ] */
(function( component ) {
	'use strict';

	var GalleryWidgetModel, GalleryWidgetControl, GalleryDetailsMediaFrame;

	/**
	 * Custom gallery details frame.
	 *
	 * @since 4.9.0
	 * @class    wp.mediaWidgets~GalleryDetailsMediaFrame
	 * @augments wp.media.view.MediaFrame.Post
	 */
	GalleryDetailsMediaFrame = wp.media.view.MediaFrame.Post.extend(/** @lends wp.mediaWidgets~GalleryDetailsMediaFrame.prototype */{

		/**
		 * Create the default states.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		createStates: function createStates() {
			this.states.add([
				new wp.media.controller.Library({
					id:         'gallery',
					title:      wp.media.view.l10n.createGalleryTitle,
					priority:   40,
					toolbar:    'main-gallery',
					filterable: 'uploaded',
					multiple:   'add',
					editable:   true,

					library:  wp.media.query( _.defaults({
						type: 'image'
					}, this.options.library ) )
				}),

				// Gallery states.
				new wp.media.controller.GalleryEdit({
					library: this.options.selection,
					editing: this.options.editing,
					menu:    'gallery'
				}),

				new wp.media.controller.GalleryAdd()
			]);
		}
	} );

	/**
	 * Gallery widget model.
	 *
	 * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports.
	 *
	 * @since 4.9.0
	 *
	 * @class    wp.mediaWidgets.modelConstructors.media_gallery
	 * @augments wp.mediaWidgets.MediaWidgetModel
	 */
	GalleryWidgetModel = component.MediaWidgetModel.extend(/** @lends wp.mediaWidgets.modelConstructors.media_gallery.prototype */{} );

	GalleryWidgetControl = component.MediaWidgetControl.extend(/** @lends wp.mediaWidgets.controlConstructors.media_gallery.prototype */{

		/**
		 * View events.
		 *
		 * @since 4.9.0
		 * @type {object}
		 */
		events: _.extend( {}, component.MediaWidgetControl.prototype.events, {
			'click .media-widget-gallery-preview': 'editMedia'
		} ),

		/**
		 * Gallery widget control.
		 *
		 * See WP_Widget_Gallery::enqueue_admin_scripts() for amending prototype from PHP exports.
		 *
		 * @constructs wp.mediaWidgets.controlConstructors.media_gallery
		 * @augments   wp.mediaWidgets.MediaWidgetControl
		 *
		 * @since 4.9.0
		 * @param {Object}         options - Options.
		 * @param {Backbone.Model} options.model - Model.
		 * @param {jQuery}         options.el - Control field container element.
		 * @param {jQuery}         options.syncContainer - Container element where fields are synced for the server.
		 * @return {void}
		 */
		initialize: function initialize( options ) {
			var control = this;

			component.MediaWidgetControl.prototype.initialize.call( control, options );

			_.bindAll( control, 'updateSelectedAttachments', 'handleAttachmentDestroy' );
			control.selectedAttachments = new wp.media.model.Attachments();
			control.model.on( 'change:ids', control.updateSelectedAttachments );
			control.selectedAttachments.on( 'change', control.renderPreview );
			control.selectedAttachments.on( 'reset', control.renderPreview );
			control.updateSelectedAttachments();

			/*
			 * Refresh a Gallery widget partial when the user modifies one of the selected attachments.
			 * This ensures that when an attachment's caption is updated in the media modal the Gallery
			 * widget in the preview will then be refreshed to show the change. Normally doing this
			 * would not be necessary because all of the state should be contained inside the changeset,
			 * as everything done in the Customizer should not make a change to the site unless the
			 * changeset itself is published. Attachments are a current exception to this rule.
			 * For a proposal to include attachments in the customized state, see #37887.
			 */
			if ( wp.customize && wp.customize.previewer ) {
				control.selectedAttachments.on( 'change', function() {
					wp.customize.previewer.send( 'refresh-widget-partial', control.model.get( 'widget_id' ) );
				} );
			}
		},

		/**
		 * Update the selected attachments if necessary.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		updateSelectedAttachments: function updateSelectedAttachments() {
			var control = this, newIds, oldIds, removedIds, addedIds, addedQuery;

			newIds = control.model.get( 'ids' );
			oldIds = _.pluck( control.selectedAttachments.models, 'id' );

			removedIds = _.difference( oldIds, newIds );
			_.each( removedIds, function( removedId ) {
				control.selectedAttachments.remove( control.selectedAttachments.get( removedId ) );
			});

			addedIds = _.difference( newIds, oldIds );
			if ( addedIds.length ) {
				addedQuery = wp.media.query({
					order: 'ASC',
					orderby: 'post__in',
					perPage: -1,
					post__in: newIds,
					query: true,
					type: 'image'
				});
				addedQuery.more().done( function() {
					control.selectedAttachments.reset( addedQuery.models );
				});
			}
		},

		/**
		 * Render preview.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		renderPreview: function renderPreview() {
			var control = this, previewContainer, previewTemplate, data;

			previewContainer = control.$el.find( '.media-widget-preview' );
			previewTemplate = wp.template( 'wp-media-widget-gallery-preview' );

			data = control.previewTemplateProps.toJSON();
			data.attachments = {};
			control.selectedAttachments.each( function( attachment ) {
				data.attachments[ attachment.id ] = attachment.toJSON();
			} );

			previewContainer.html( previewTemplate( data ) );
		},

		/**
		 * Determine whether there are selected attachments.
		 *
		 * @since 4.9.0
		 * @return {boolean} Selected.
		 */
		isSelected: function isSelected() {
			var control = this;

			if ( control.model.get( 'error' ) ) {
				return false;
			}

			return control.model.get( 'ids' ).length > 0;
		},

		/**
		 * Open the media select frame to edit images.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		editMedia: function editMedia() {
			var control = this, selection, mediaFrame, mediaFrameProps;

			selection = new wp.media.model.Selection( control.selectedAttachments.models, {
				multiple: true
			});

			mediaFrameProps = control.mapModelToMediaFrameProps( control.model.toJSON() );
			selection.gallery = new Backbone.Model( mediaFrameProps );
			if ( mediaFrameProps.size ) {
				control.displaySettings.set( 'size', mediaFrameProps.size );
			}
			mediaFrame = new GalleryDetailsMediaFrame({
				frame: 'manage',
				text: control.l10n.add_to_widget,
				selection: selection,
				mimeType: control.mime_type,
				selectedDisplaySettings: control.displaySettings,
				showDisplaySettings: control.showDisplaySettings,
				metadata: mediaFrameProps,
				editing:   true,
				multiple:  true,
				state: 'gallery-edit'
			});
			wp.media.frame = mediaFrame; // See wp.media().

			// Handle selection of a media item.
			mediaFrame.on( 'update', function onUpdate( newSelection ) {
				var state = mediaFrame.state(), resultSelection;

				resultSelection = newSelection || state.get( 'selection' );
				if ( ! resultSelection ) {
					return;
				}

				// Copy orderby_random from gallery state.
				if ( resultSelection.gallery ) {
					control.model.set( control.mapMediaToModelProps( resultSelection.gallery.toJSON() ) );
				}

				// Directly update selectedAttachments to prevent needing to do additional request.
				control.selectedAttachments.reset( resultSelection.models );

				// Update models in the widget instance.
				control.model.set( {
					ids: _.pluck( resultSelection.models, 'id' )
				} );
			} );

			mediaFrame.$el.addClass( 'media-widget' );
			mediaFrame.open();

			if ( selection ) {
				selection.on( 'destroy', control.handleAttachmentDestroy );
			}
		},

		/**
		 * Open the media select frame to chose an item.
		 *
		 * @since 4.9.0
		 * @return {void}
		 */
		selectMedia: function selectMedia() {
			var control = this, selection, mediaFrame, mediaFrameProps;
			selection = new wp.media.model.Selection( control.selectedAttachments.models, {
				multiple: true
			});

			mediaFrameProps = control.mapModelToMediaFrameProps( control.model.toJSON() );
			if ( mediaFrameProps.size ) {
				control.displaySettings.set( 'size', mediaFrameProps.size );
			}
			mediaFrame = new GalleryDetailsMediaFrame({
				frame: 'select',
				text: control.l10n.add_to_widget,
				selection: selection,
				mimeType: control.mime_type,
				selectedDisplaySettings: control.displaySettings,
				showDisplaySettings: control.showDisplaySettings,
				metadata: mediaFrameProps,
				state: 'gallery'
			});
			wp.media.frame = mediaFrame; // See wp.media().

			// Handle selection of a media item.
			mediaFrame.on( 'update', function onUpdate( newSelection ) {
				var state = mediaFrame.state(), resultSelection;

				resultSelection = newSelection || state.get( 'selection' );
				if ( ! resultSelection ) {
					return;
				}

				// Copy orderby_random from gallery state.
				if ( resultSelection.gallery ) {
					control.model.set( control.mapMediaToModelProps( resultSelection.gallery.toJSON() ) );
				}

				// Directly update selectedAttachments to prevent needing to do additional request.
				control.selectedAttachments.reset( resultSelection.models );

				// Update widget instance.
				control.model.set( {
					ids: _.pluck( resultSelection.models, 'id' )
				} );
			} );

			mediaFrame.$el.addClass( 'media-widget' );
			mediaFrame.open();

			if ( selection ) {
				selection.on( 'destroy', control.handleAttachmentDestroy );
			}

			/*
			 * Make sure focus is set inside of modal so that hitting Esc will close
			 * the modal and not inadvertently cause the widget to collapse in the customizer.
			 */
			mediaFrame.$el.find( ':focusable:first' ).focus();
		},

		/**
		 * Clear the selected attachment when it is deleted in the media select frame.
		 *
		 * @since 4.9.0
		 * @param {wp.media.models.Attachment} attachment - Attachment.
		 * @return {void}
		 */
		handleAttachmentDestroy: function handleAttachmentDestroy( attachment ) {
			var control = this;
			control.model.set( {
				ids: _.difference(
					control.model.get( 'ids' ),
					[ attachment.id ]
				)
			} );
		}
	} );

	// Exports.
	component.controlConstructors.media_gallery = GalleryWidgetControl;
	component.modelConstructors.media_gallery = GalleryWidgetModel;

})( wp.mediaWidgets );
PK       ! |yN��  �  !  widgets/media-image-widget.min.jsnu �[���        /*! This file is auto-generated */
!function(a,o){"use strict";var e=a.MediaWidgetModel.extend({}),t=a.MediaWidgetControl.extend({events:_.extend({},a.MediaWidgetControl.prototype.events,{"click .media-widget-preview.populated":"editMedia"}),renderPreview:function(){var e,t,i=this;(i.model.get("attachment_id")||i.model.get("url"))&&(t=i.$el.find(".media-widget-preview"),e=wp.template("wp-media-widget-image-preview"),t.html(e(i.previewTemplateProps.toJSON())),t.addClass("populated"),i.$el.find(".link").is(document.activeElement)||(e=i.$el.find(".media-widget-fields"),t=wp.template("wp-media-widget-image-fields"),e.html(t(i.previewTemplateProps.toJSON()))))},editMedia:function(){var i,e,a=this,t=a.mapModelToMediaFrameProps(a.model.toJSON());"none"===t.link&&(t.linkUrl=""),(i=wp.media({frame:"image",state:"image-details",metadata:t})).$el.addClass("media-widget"),t=function(){var e=i.state().attributes.image.toJSON(),t=e.link;e.link=e.linkUrl,a.selectedAttachment.set(e),a.displaySettings.set("link",t),a.model.set(_.extend(a.mapMediaToModelProps(e),{error:!1}))},i.state("image-details").on("update",t),i.state("replace-image").on("replace",t),e=wp.media.model.Attachment.prototype.sync,wp.media.model.Attachment.prototype.sync=function(){return o.Deferred().rejectWith(this).promise()},i.on("close",function(){i.detach(),wp.media.model.Attachment.prototype.sync=e}),i.open()},getEmbedResetProps:function(){return _.extend(a.MediaWidgetControl.prototype.getEmbedResetProps.call(this),{size:"full",width:0,height:0})},getModelPropsFromMediaFrame:function(e){return _.omit(a.MediaWidgetControl.prototype.getModelPropsFromMediaFrame.call(this,e),"image_title")},mapModelToPreviewTemplateProps:function(){var e=this,t=e.model.get("url"),i=a.MediaWidgetControl.prototype.mapModelToPreviewTemplateProps.call(e);return i.currentFilename=t?t.replace(/\?.*$/,"").replace(/^.+\//,""):"",i.link_url=e.model.get("link_url"),i}});a.controlConstructors.media_image=t,a.modelConstructors.media_image=e}(wp.mediaWidgets,jQuery);PK       ! �r�
  �
  !  widgets/media-video-widget.min.jsnu �[���        /*! This file is auto-generated */
!function(t){"use strict";var i=wp.media.view.MediaFrame.VideoDetails.extend({createStates:function(){this.states.add([new wp.media.controller.VideoDetails({media:this.media}),new wp.media.controller.MediaLibrary({type:"video",id:"add-video-source",title:wp.media.view.l10n.videoAddSourceTitle,toolbar:"add-video-source",media:this.media,menu:!1}),new wp.media.controller.MediaLibrary({type:"text",id:"add-track",title:wp.media.view.l10n.videoAddTrackTitle,toolbar:"add-track",media:this.media,menu:"video-details"})])}}),e=t.MediaWidgetModel.extend({}),d=t.MediaWidgetControl.extend({showDisplaySettings:!1,oembedResponses:{},mapModelToMediaFrameProps:function(e){e=t.MediaWidgetControl.prototype.mapModelToMediaFrameProps.call(this,e);return e.link="embed",e},fetchEmbed:function(){var t=this,d=t.model.get("url");t.oembedResponses[d]||(t.fetchEmbedDfd&&"pending"===t.fetchEmbedDfd.state()&&t.fetchEmbedDfd.abort(),t.fetchEmbedDfd=wp.apiRequest({url:wp.media.view.settings.oEmbedProxyUrl,data:{url:t.model.get("url"),maxwidth:t.model.get("width"),maxheight:t.model.get("height"),discover:!1},type:"GET",dataType:"json",context:t}),t.fetchEmbedDfd.done(function(e){t.oembedResponses[d]=e,t.renderPreview()}),t.fetchEmbedDfd.fail(function(){t.oembedResponses[d]=null}))},isHostedVideo:function(){return!0},renderPreview:function(){var e,t,d=this,i="",o=!1,a=d.model.get("attachment_id"),s=d.model.get("url"),m=d.model.get("error");(a||s)&&((t=d.selectedAttachment.get("mime"))&&a?_.contains(_.values(wp.media.view.settings.embedMimes),t)||(m="unsupported_file_type"):a||((t=document.createElement("a")).href=s,(t=t.pathname.toLowerCase().match(/\.(\w+)$/))?_.contains(_.keys(wp.media.view.settings.embedMimes),t[1])||(m="unsupported_file_type"):o=!0),o&&(d.fetchEmbed(),d.oembedResponses[s])&&(e=d.oembedResponses[s].thumbnail_url,i=d.oembedResponses[s].html.replace(/\swidth="\d+"/,' width="100%"').replace(/\sheight="\d+"/,"")),t=d.$el.find(".media-widget-preview"),d=wp.template("wp-media-widget-video-preview"),t.html(d({model:{attachment_id:a,html:i,src:s,poster:e},is_oembed:o,error:m})),wp.mediaelement.initialize())},editMedia:function(){var t=this,e=t.mapModelToMediaFrameProps(t.model.toJSON()),d=new i({frame:"video",state:"video-details",metadata:e});(wp.media.frame=d).$el.addClass("media-widget"),e=function(e){t.selectedAttachment.set(e),t.model.set(_.extend(_.omit(t.model.defaults(),"title"),t.mapMediaToModelProps(e),{error:!1}))},d.state("video-details").on("update",e),d.state("replace-video").on("replace",e),d.on("close",function(){d.detach()}),d.open()}});t.controlConstructors.media_video=d,t.modelConstructors.media_video=e}(wp.mediaWidgets);PK       ! ���l�7  �7    widgets/media-widgets.min.jsnu �[���        /*! This file is auto-generated */
wp.mediaWidgets=function(c){"use strict";var m={controlConstructors:{},modelConstructors:{}};return m.PersistentDisplaySettingsLibrary=wp.media.controller.Library.extend({initialize:function(e){_.bindAll(this,"handleDisplaySettingChange"),wp.media.controller.Library.prototype.initialize.call(this,e)},handleDisplaySettingChange:function(e){this.get("selectedDisplaySettings").set(e.attributes)},display:function(e){var t=this.get("selectedDisplaySettings"),e=wp.media.controller.Library.prototype.display.call(this,e);return e.off("change",this.handleDisplaySettingChange),e.set(t.attributes),"custom"===t.get("link_type")&&(e.linkUrl=t.get("link_url")),e.on("change",this.handleDisplaySettingChange),e}}),m.MediaEmbedView=wp.media.view.Embed.extend({initialize:function(e){var t=this;wp.media.view.Embed.prototype.initialize.call(t,e),"image"!==t.controller.options.mimeType&&(e=t.controller.states.get("embed")).off("scan",e.scanImage,e)},refresh:function(){var e="image"===this.controller.options.mimeType?wp.media.view.EmbedImage:wp.media.view.EmbedLink.extend({setAddToWidgetButtonDisabled:function(e){this.views.parent.views.parent.views.get(".media-frame-toolbar")[0].$el.find(".media-button-select").prop("disabled",e)},setErrorNotice:function(e){var t=this.views.parent.$el.find("> .notice:first-child");e?(t.length||((t=c('<div class="media-widget-embed-notice notice notice-error notice-alt" role="alert"></div>')).hide(),this.views.parent.$el.prepend(t)),t.empty(),t.append(c("<p>",{html:e})),t.slideDown("fast")):t.length&&t.slideUp("fast")},updateoEmbed:function(){var e=this,t=e.model.get("url");t?(t.match(/^(http|https):\/\/.+\//)||(e.controller.$el.find("#embed-url-field").addClass("invalid"),e.setAddToWidgetButtonDisabled(!0)),wp.media.view.EmbedLink.prototype.updateoEmbed.call(e)):(e.setErrorNotice(""),e.setAddToWidgetButtonDisabled(!0))},fetch:function(){var t,e,i=this,n=i.model.get("url");i.dfd&&"pending"===i.dfd.state()&&i.dfd.abort(),t=function(e){i.renderoEmbed({data:{body:e}}),i.controller.$el.find("#embed-url-field").removeClass("invalid"),i.setErrorNotice(""),i.setAddToWidgetButtonDisabled(!1)},(e=document.createElement("a")).href=n,(e=e.pathname.toLowerCase().match(/\.(\w+)$/))?(e=e[1],!wp.media.view.settings.embedMimes[e]||0!==wp.media.view.settings.embedMimes[e].indexOf(i.controller.options.mimeType)?i.renderFail():t("\x3c!--success--\x3e")):((e=/https?:\/\/www\.youtube\.com\/embed\/([^/]+)/.exec(n))&&(n="https://www.youtube.com/watch?v="+e[1],i.model.attributes.url=n),i.dfd=wp.apiRequest({url:wp.media.view.settings.oEmbedProxyUrl,data:{url:n,maxwidth:i.model.get("width"),maxheight:i.model.get("height"),discover:!1},type:"GET",dataType:"json",context:i}),i.dfd.done(function(e){i.controller.options.mimeType!==e.type?i.renderFail():t(e.html)}),i.dfd.fail(_.bind(i.renderFail,i)))},renderFail:function(){var e=this;e.controller.$el.find("#embed-url-field").addClass("invalid"),e.setErrorNotice(e.controller.options.invalidEmbedTypeError||"ERROR"),e.setAddToWidgetButtonDisabled(!0)}});this.settings(new e({controller:this.controller,model:this.model.props,priority:40}))}}),m.MediaFrameSelect=wp.media.view.MediaFrame.Post.extend({createStates:function(){var t=this.options.mimeType,i=[];_.each(wp.media.view.settings.embedMimes,function(e){0===e.indexOf(t)&&i.push(e)}),0<i.length&&(t=i),this.states.add([new m.PersistentDisplaySettingsLibrary({id:"insert",title:this.options.title,selection:this.options.selection,priority:20,toolbar:"main-insert",filterable:"dates",library:wp.media.query({type:t}),multiple:!1,editable:!0,selectedDisplaySettings:this.options.selectedDisplaySettings,displaySettings:!!_.isUndefined(this.options.showDisplaySettings)||this.options.showDisplaySettings,displayUserSettings:!1}),new wp.media.controller.EditImage({model:this.options.editImage}),new wp.media.controller.Embed({metadata:this.options.metadata,type:"image"===this.options.mimeType?"image":"link",invalidEmbedTypeError:this.options.invalidEmbedTypeError})])},mainInsertToolbar:function(e){var i=this;e.set("insert",{style:"primary",priority:80,text:i.options.text,requires:{selection:!0},click:function(){var e=i.state(),t=e.get("selection");i.close(),e.trigger("insert",t).reset()}})},mainEmbedToolbar:function(e){e.view=new wp.media.view.Toolbar.Embed({controller:this,text:this.options.text,event:"insert"})},embedContent:function(){var e=new m.MediaEmbedView({controller:this,model:this.state()}).render();this.content.set(e)}}),m.MediaWidgetControl=Backbone.View.extend({l10n:{add_to_widget:"{{add_to_widget}}",add_media:"{{add_media}}"},id_base:"",mime_type:"",events:{"click .notice-missing-attachment a":"handleMediaLibraryLinkClick","click .select-media":"selectMedia","click .placeholder":"selectMedia","click .edit-media":"editMedia"},showDisplaySettings:!0,initialize:function(e){var i=this;if(Backbone.View.prototype.initialize.call(i,e),!(i.model instanceof m.MediaWidgetModel))throw new Error("Missing options.model");if(!e.el)throw new Error("Missing options.el");if(!e.syncContainer)throw new Error("Missing options.syncContainer");if(i.syncContainer=e.syncContainer,i.$el.addClass("media-widget-control"),_.bindAll(i,"syncModelToInputs","render","updateSelectedAttachment","renderPreview"),!i.id_base&&(_.find(m.controlConstructors,function(e,t){return i instanceof e&&(i.id_base=t,!0)}),!i.id_base))throw new Error("Missing id_base.");i.previewTemplateProps=new Backbone.Model(i.mapModelToPreviewTemplateProps()),i.selectedAttachment=new wp.media.model.Attachment,i.renderPreview=_.debounce(i.renderPreview),i.listenTo(i.previewTemplateProps,"change",i.renderPreview),i.model.on("change:attachment_id",i.updateSelectedAttachment),i.model.on("change:url",i.updateSelectedAttachment),i.updateSelectedAttachment(),i.listenTo(i.model,"change",i.syncModelToInputs),i.listenTo(i.model,"change",i.syncModelToPreviewProps),i.listenTo(i.model,"change",i.render),i.$el.on("input change",".title",function(){i.model.set({title:c(this).val().trim()})}),i.$el.on("input change",".link",function(){var e=c(this).val().trim(),t="custom";i.selectedAttachment.get("linkUrl")===e||i.selectedAttachment.get("link")===e?t="post":i.selectedAttachment.get("url")===e&&(t="file"),i.model.set({link_url:e,link_type:t}),i.displaySettings.set({link:t,linkUrl:e})}),i.displaySettings=new Backbone.Model(_.pick(i.mapModelToMediaFrameProps(_.extend(i.model.defaults(),i.model.toJSON())),_.keys(wp.media.view.settings.defaultProps)))},updateSelectedAttachment:function(){var e,t=this;0===t.model.get("attachment_id")?(t.selectedAttachment.clear(),t.model.set("error",!1)):t.model.get("attachment_id")!==t.selectedAttachment.get("id")&&(e=new wp.media.model.Attachment({id:t.model.get("attachment_id")})).fetch().done(function(){t.model.set("error",!1),t.selectedAttachment.set(e.toJSON())}).fail(function(){t.model.set("error","missing_attachment")})},syncModelToPreviewProps:function(){this.previewTemplateProps.set(this.mapModelToPreviewTemplateProps())},syncModelToInputs:function(){var n=this;n.syncContainer.find(".media-widget-instance-property").each(function(){var e=c(this),t=e.data("property"),i=n.model.get(t);_.isUndefined(i)||(i="array"===n.model.schema[t].type&&_.isArray(i)?i.join(","):"boolean"===n.model.schema[t].type?i?"1":"":String(i),e.val()!==i&&(e.val(i),e.trigger("change")))})},template:function(){if(c("#tmpl-widget-media-"+this.id_base+"-control").length)return wp.template("widget-media-"+this.id_base+"-control");throw new Error("Missing widget control template for "+this.id_base)},render:function(){var e,t=this;t.templateRendered||(t.$el.html(t.template()(t.model.toJSON())),t.renderPreview(),t.templateRendered=!0),(e=t.$el.find(".title")).is(document.activeElement)||e.val(t.model.get("title")),t.$el.toggleClass("selected",t.isSelected())},renderPreview:function(){throw new Error("renderPreview must be implemented")},isSelected:function(){return!this.model.get("error")&&Boolean(this.model.get("attachment_id")||this.model.get("url"))},handleMediaLibraryLinkClick:function(e){e.preventDefault(),this.selectMedia()},selectMedia:function(){var i,t,e,n=this,d=[];n.isSelected()&&0!==n.model.get("attachment_id")&&d.push(n.selectedAttachment),d=new wp.media.model.Selection(d,{multiple:!1}),(e=n.mapModelToMediaFrameProps(n.model.toJSON())).size&&n.displaySettings.set("size",e.size),i=new m.MediaFrameSelect({title:n.l10n.add_media,frame:"post",text:n.l10n.add_to_widget,selection:d,mimeType:n.mime_type,selectedDisplaySettings:n.displaySettings,showDisplaySettings:n.showDisplaySettings,metadata:e,state:n.isSelected()&&0===n.model.get("attachment_id")?"embed":"insert",invalidEmbedTypeError:n.l10n.unsupported_file_type}),(wp.media.frame=i).on("insert",function(){var e={},t=i.state();"embed"===t.get("id")?_.extend(e,{id:0},t.props.toJSON()):_.extend(e,t.get("selection").first().toJSON()),n.selectedAttachment.set(e),n.model.set("error",!1),n.model.set(n.getModelPropsFromMediaFrame(i))}),t=wp.media.model.Attachment.prototype.sync,wp.media.model.Attachment.prototype.sync=function(e){return"delete"===e?t.apply(this,arguments):c.Deferred().rejectWith(this).promise()},i.on("close",function(){wp.media.model.Attachment.prototype.sync=t}),i.$el.addClass("media-widget"),i.open(),d&&d.on("destroy",function(e){n.model.get("attachment_id")===e.get("id")&&n.model.set({attachment_id:0,url:""})}),i.$el.find(".media-frame-menu .media-menu-item.active").focus()},getModelPropsFromMediaFrame:function(e){var t,i,n=this,d=e.state();if("insert"===d.get("id"))(t=d.get("selection").first().toJSON()).postUrl=t.link,n.showDisplaySettings&&_.extend(t,e.content.get(".attachments-browser").sidebar.get("display").model.toJSON()),t.sizes&&t.size&&t.sizes[t.size]&&(t.url=t.sizes[t.size].url);else{if("embed"!==d.get("id"))throw new Error("Unexpected state: "+d.get("id"));t=_.extend(d.props.toJSON(),{attachment_id:0},n.model.getEmbedResetProps())}return t.id&&(t.attachment_id=t.id),i=n.mapMediaToModelProps(t),_.each(wp.media.view.settings.embedExts,function(e){e in n.model.schema&&i.url!==i[e]&&(i[e]="")}),i},mapMediaToModelProps:function(e){var t,i=this,n={},d={};return _.each(i.model.schema,function(e,t){"title"!==t&&(n[e.media_prop||t]=t)}),_.each(e,function(e,t){t=n[t]||t;i.model.schema[t]&&(d[t]=e)}),"custom"===e.size&&(d.width=e.customWidth,d.height=e.customHeight),"post"===e.link?d.link_url=e.postUrl||e.linkUrl:"file"===e.link&&(d.link_url=e.url),!e.attachment_id&&e.id&&(d.attachment_id=e.id),e.url&&(t=e.url.replace(/#.*$/,"").replace(/\?.*$/,"").split(".").pop().toLowerCase())in i.model.schema&&(d[t]=e.url),_.omit(d,"title")},mapModelToMediaFrameProps:function(e){var n=this,d={};return _.each(e,function(e,t){var i=n.model.schema[t]||{};d[i.media_prop||t]=e}),d.attachment_id=d.id,"custom"===d.size&&(d.customWidth=n.model.get("width"),d.customHeight=n.model.get("height")),d},mapModelToPreviewTemplateProps:function(){var i=this,n={};return _.each(i.model.schema,function(e,t){e.hasOwnProperty("should_preview_update")&&!e.should_preview_update||(n[t]=i.model.get(t))}),n.error=i.model.get("error"),n},editMedia:function(){throw new Error("editMedia not implemented")}}),m.MediaWidgetModel=Backbone.Model.extend({idAttribute:"widget_id",schema:{title:{type:"string",default:""},attachment_id:{type:"integer",default:0},url:{type:"string",default:""}},defaults:function(){var i={};return _.each(this.schema,function(e,t){i[t]=e.default}),i},set:function(e,t,i){var n,d,o=this;return null===e?o:(e="object"==typeof e?(n=e,t):((n={})[e]=t,i),d={},_.each(n,function(e,t){var i;o.schema[t]?"array"===(i=o.schema[t].type)?(d[t]=e,_.isArray(d[t])||(d[t]=d[t].split(/,/)),o.schema[t].items&&"integer"===o.schema[t].items.type&&(d[t]=_.filter(_.map(d[t],function(e){return parseInt(e,10)},function(e){return"number"==typeof e})))):d[t]="integer"===i?parseInt(e,10):"boolean"===i?!(!e||"0"===e||"false"===e):e:d[t]=e}),Backbone.Model.prototype.set.call(this,d,e))},getEmbedResetProps:function(){return{id:0}}}),m.modelCollection=new(Backbone.Collection.extend({model:m.MediaWidgetModel})),m.widgetControls={},m.handleWidgetAdded=function(e,t){var i,n,d,o,a,s,r=t.find("> .widget-inside > .form, > .widget-inside > form"),l=r.find("> .id_base").val(),r=r.find("> .widget-id").val();m.widgetControls[r]||(d=m.controlConstructors[l])&&(l=m.modelConstructors[l]||m.MediaWidgetModel,i=c("<div></div>"),(n=t.find(".widget-content:first")).before(i),o={},n.find(".media-widget-instance-property").each(function(){var e=c(this);o[e.data("property")]=e.val()}),o.widget_id=r,r=new l(o),a=new d({el:i,syncContainer:n,model:r}),(s=function(){t.hasClass("open")?a.render():setTimeout(s,50)})(),m.modelCollection.add([r]),m.widgetControls[r.get("widget_id")]=a)},m.setupAccessibleMode=function(){var e,t,i,n,d,o=c(".editwidget > form");0!==o.length&&(i=o.find(".id_base").val(),t=m.controlConstructors[i])&&(e=o.find("> .widget-control-actions > .widget-id").val(),i=m.modelConstructors[i]||m.MediaWidgetModel,d=c("<div></div>"),(o=o.find("> .widget-inside")).before(d),n={},o.find(".media-widget-instance-property").each(function(){var e=c(this);n[e.data("property")]=e.val()}),n.widget_id=e,e=new t({el:d,syncContainer:o,model:new i(n)}),m.modelCollection.add([e.model]),(m.widgetControls[e.model.get("widget_id")]=e).render())},m.handleWidgetUpdated=function(e,t){var i={},t=t.find("> .widget-inside > .form, > .widget-inside > form"),n=t.find("> .widget-id").val(),n=m.widgetControls[n];n&&(t.find("> .widget-content").find(".media-widget-instance-property").each(function(){var e=c(this).data("property");i[e]=c(this).val()}),n.stopListening(n.model,"change",n.syncModelToInputs),n.model.set(i),n.listenTo(n.model,"change",n.syncModelToInputs))},m.init=function(){var e=c(document);e.on("widget-added",m.handleWidgetAdded),e.on("widget-synced widget-updated",m.handleWidgetUpdated),c(function(){"widgets"===window.pagenow&&(c(".widgets-holder-wrap:not(#available-widgets)").find("div.widget").one("click.toggle-widget-expanded",function(){var e=c(this);m.handleWidgetAdded(new jQuery.Event("widget-added"),e)}),"complete"===document.readyState?m.setupAccessibleMode():c(window).on("load",function(){m.setupAccessibleMode()}))})},m}(jQuery);PK       ! 8v�\  \    widgets/media-image-widget.jsnu �[���        /**
 * @output wp-admin/js/widgets/media-image-widget.js
 */

/* eslint consistent-this: [ "error", "control" ] */
(function( component, $ ) {
	'use strict';

	var ImageWidgetModel, ImageWidgetControl;

	/**
	 * Image widget model.
	 *
	 * See WP_Widget_Media_Image::enqueue_admin_scripts() for amending prototype from PHP exports.
	 *
	 * @class    wp.mediaWidgets.modelConstructors.media_image
	 * @augments wp.mediaWidgets.MediaWidgetModel
	 */
	ImageWidgetModel = component.MediaWidgetModel.extend({});

	/**
	 * Image widget control.
	 *
	 * See WP_Widget_Media_Image::enqueue_admin_scripts() for amending prototype from PHP exports.
	 *
	 * @class    wp.mediaWidgets.controlConstructors.media_audio
	 * @augments wp.mediaWidgets.MediaWidgetControl
	 */
	ImageWidgetControl = component.MediaWidgetControl.extend(/** @lends wp.mediaWidgets.controlConstructors.media_image.prototype */{

		/**
		 * View events.
		 *
		 * @type {object}
		 */
		events: _.extend( {}, component.MediaWidgetControl.prototype.events, {
			'click .media-widget-preview.populated': 'editMedia'
		} ),

		/**
		 * Render preview.
		 *
		 * @return {void}
		 */
		renderPreview: function renderPreview() {
			var control = this, previewContainer, previewTemplate, fieldsContainer, fieldsTemplate, linkInput;
			if ( ! control.model.get( 'attachment_id' ) && ! control.model.get( 'url' ) ) {
				return;
			}

			previewContainer = control.$el.find( '.media-widget-preview' );
			previewTemplate = wp.template( 'wp-media-widget-image-preview' );
			previewContainer.html( previewTemplate( control.previewTemplateProps.toJSON() ) );
			previewContainer.addClass( 'populated' );

			linkInput = control.$el.find( '.link' );
			if ( ! linkInput.is( document.activeElement ) ) {
				fieldsContainer = control.$el.find( '.media-widget-fields' );
				fieldsTemplate = wp.template( 'wp-media-widget-image-fields' );
				fieldsContainer.html( fieldsTemplate( control.previewTemplateProps.toJSON() ) );
			}
		},

		/**
		 * Open the media image-edit frame to modify the selected item.
		 *
		 * @return {void}
		 */
		editMedia: function editMedia() {
			var control = this, mediaFrame, updateCallback, defaultSync, metadata;

			metadata = control.mapModelToMediaFrameProps( control.model.toJSON() );

			// Needed or else none will not be selected if linkUrl is not also empty.
			if ( 'none' === metadata.link ) {
				metadata.linkUrl = '';
			}

			// Set up the media frame.
			mediaFrame = wp.media({
				frame: 'image',
				state: 'image-details',
				metadata: metadata
			});
			mediaFrame.$el.addClass( 'media-widget' );

			updateCallback = function() {
				var mediaProps, linkType;

				// Update cached attachment object to avoid having to re-fetch. This also triggers re-rendering of preview.
				mediaProps = mediaFrame.state().attributes.image.toJSON();
				linkType = mediaProps.link;
				mediaProps.link = mediaProps.linkUrl;
				control.selectedAttachment.set( mediaProps );
				control.displaySettings.set( 'link', linkType );

				control.model.set( _.extend(
					control.mapMediaToModelProps( mediaProps ),
					{ error: false }
				) );
			};

			mediaFrame.state( 'image-details' ).on( 'update', updateCallback );
			mediaFrame.state( 'replace-image' ).on( 'replace', updateCallback );

			// Disable syncing of attachment changes back to server. See <https://core.trac.wordpress.org/ticket/40403>.
			defaultSync = wp.media.model.Attachment.prototype.sync;
			wp.media.model.Attachment.prototype.sync = function rejectedSync() {
				return $.Deferred().rejectWith( this ).promise();
			};
			mediaFrame.on( 'close', function onClose() {
				mediaFrame.detach();
				wp.media.model.Attachment.prototype.sync = defaultSync;
			});

			mediaFrame.open();
		},

		/**
		 * Get props which are merged on top of the model when an embed is chosen (as opposed to an attachment).
		 *
		 * @return {Object} Reset/override props.
		 */
		getEmbedResetProps: function getEmbedResetProps() {
			return _.extend(
				component.MediaWidgetControl.prototype.getEmbedResetProps.call( this ),
				{
					size: 'full',
					width: 0,
					height: 0
				}
			);
		},

		/**
		 * Get the instance props from the media selection frame.
		 *
		 * Prevent the image_title attribute from being initially set when adding an image from the media library.
		 *
		 * @param {wp.media.view.MediaFrame.Select} mediaFrame - Select frame.
		 * @return {Object} Props.
		 */
		getModelPropsFromMediaFrame: function getModelPropsFromMediaFrame( mediaFrame ) {
			var control = this;
			return _.omit(
				component.MediaWidgetControl.prototype.getModelPropsFromMediaFrame.call( control, mediaFrame ),
				'image_title'
			);
		},

		/**
		 * Map model props to preview template props.
		 *
		 * @return {Object} Preview template props.
		 */
		mapModelToPreviewTemplateProps: function mapModelToPreviewTemplateProps() {
			var control = this, previewTemplateProps, url;
			url = control.model.get( 'url' );
			previewTemplateProps = component.MediaWidgetControl.prototype.mapModelToPreviewTemplateProps.call( control );
			previewTemplateProps.currentFilename = url ? url.replace( /\?.*$/, '' ).replace( /^.+\//, '' ) : '';
			previewTemplateProps.link_url = control.model.get( 'link_url' );
			return previewTemplateProps;
		}
	});

	// Exports.
	component.controlConstructors.media_image = ImageWidgetControl;
	component.modelConstructors.media_image = ImageWidgetModel;

})( wp.mediaWidgets, jQuery );
PK       ! �!��  �  !  widgets/media-audio-widget.min.jsnu �[���        /*! This file is auto-generated */
!function(t){"use strict";var a=wp.media.view.MediaFrame.AudioDetails.extend({createStates:function(){this.states.add([new wp.media.controller.AudioDetails({media:this.media}),new wp.media.controller.MediaLibrary({type:"audio",id:"add-audio-source",title:wp.media.view.l10n.audioAddSourceTitle,toolbar:"add-audio-source",media:this.media,menu:!1})])}}),e=t.MediaWidgetModel.extend({}),d=t.MediaWidgetControl.extend({showDisplaySettings:!1,mapModelToMediaFrameProps:function(e){e=t.MediaWidgetControl.prototype.mapModelToMediaFrameProps.call(this,e);return e.link="embed",e},renderPreview:function(){var e,t=this,d=t.model.get("attachment_id"),a=t.model.get("url");(d||a)&&(d=t.$el.find(".media-widget-preview"),e=wp.template("wp-media-widget-audio-preview"),d.html(e({model:{attachment_id:t.model.get("attachment_id"),src:a},error:t.model.get("error")})),wp.mediaelement.initialize())},editMedia:function(){var t=this,e=t.mapModelToMediaFrameProps(t.model.toJSON()),d=new a({frame:"audio",state:"audio-details",metadata:e});(wp.media.frame=d).$el.addClass("media-widget"),e=function(e){t.selectedAttachment.set(e),t.model.set(_.extend(t.model.defaults(),t.mapMediaToModelProps(e),{error:!1}))},d.state("audio-details").on("update",e),d.state("replace-audio").on("replace",e),d.on("close",function(){d.detach()}),d.open()}});t.controlConstructors.media_audio=d,t.modelConstructors.media_audio=e}(wp.mediaWidgets);PK       ! �E�1�  �    widgets/media-audio-widget.jsnu �[���        /**
 * @output wp-admin/js/widgets/media-audio-widget.js
 */

/* eslint consistent-this: [ "error", "control" ] */
(function( component ) {
	'use strict';

	var AudioWidgetModel, AudioWidgetControl, AudioDetailsMediaFrame;

	/**
	 * Custom audio details frame that removes the replace-audio state.
	 *
	 * @class    wp.mediaWidgets.controlConstructors~AudioDetailsMediaFrame
	 * @augments wp.media.view.MediaFrame.AudioDetails
	 */
	AudioDetailsMediaFrame = wp.media.view.MediaFrame.AudioDetails.extend(/** @lends wp.mediaWidgets.controlConstructors~AudioDetailsMediaFrame.prototype */{

		/**
		 * Create the default states.
		 *
		 * @return {void}
		 */
		createStates: function createStates() {
			this.states.add([
				new wp.media.controller.AudioDetails({
					media: this.media
				}),

				new wp.media.controller.MediaLibrary({
					type: 'audio',
					id: 'add-audio-source',
					title: wp.media.view.l10n.audioAddSourceTitle,
					toolbar: 'add-audio-source',
					media: this.media,
					menu: false
				})
			]);
		}
	});

	/**
	 * Audio widget model.
	 *
	 * See WP_Widget_Audio::enqueue_admin_scripts() for amending prototype from PHP exports.
	 *
	 * @class    wp.mediaWidgets.modelConstructors.media_audio
	 * @augments wp.mediaWidgets.MediaWidgetModel
	 */
	AudioWidgetModel = component.MediaWidgetModel.extend({});

	/**
	 * Audio widget control.
	 *
	 * See WP_Widget_Audio::enqueue_admin_scripts() for amending prototype from PHP exports.
	 *
	 * @class    wp.mediaWidgets.controlConstructors.media_audio
	 * @augments wp.mediaWidgets.MediaWidgetControl
	 */
	AudioWidgetControl = component.MediaWidgetControl.extend(/** @lends wp.mediaWidgets.controlConstructors.media_audio.prototype */{

		/**
		 * Show display settings.
		 *
		 * @type {boolean}
		 */
		showDisplaySettings: false,

		/**
		 * Map model props to media frame props.
		 *
		 * @param {Object} modelProps - Model props.
		 * @return {Object} Media frame props.
		 */
		mapModelToMediaFrameProps: function mapModelToMediaFrameProps( modelProps ) {
			var control = this, mediaFrameProps;
			mediaFrameProps = component.MediaWidgetControl.prototype.mapModelToMediaFrameProps.call( control, modelProps );
			mediaFrameProps.link = 'embed';
			return mediaFrameProps;
		},

		/**
		 * Render preview.
		 *
		 * @return {void}
		 */
		renderPreview: function renderPreview() {
			var control = this, previewContainer, previewTemplate, attachmentId, attachmentUrl;
			attachmentId = control.model.get( 'attachment_id' );
			attachmentUrl = control.model.get( 'url' );

			if ( ! attachmentId && ! attachmentUrl ) {
				return;
			}

			previewContainer = control.$el.find( '.media-widget-preview' );
			previewTemplate = wp.template( 'wp-media-widget-audio-preview' );

			previewContainer.html( previewTemplate({
				model: {
					attachment_id: control.model.get( 'attachment_id' ),
					src: attachmentUrl
				},
				error: control.model.get( 'error' )
			}));
			wp.mediaelement.initialize();
		},

		/**
		 * Open the media audio-edit frame to modify the selected item.
		 *
		 * @return {void}
		 */
		editMedia: function editMedia() {
			var control = this, mediaFrame, metadata, updateCallback;

			metadata = control.mapModelToMediaFrameProps( control.model.toJSON() );

			// Set up the media frame.
			mediaFrame = new AudioDetailsMediaFrame({
				frame: 'audio',
				state: 'audio-details',
				metadata: metadata
			});
			wp.media.frame = mediaFrame;
			mediaFrame.$el.addClass( 'media-widget' );

			updateCallback = function( mediaFrameProps ) {

				// Update cached attachment object to avoid having to re-fetch. This also triggers re-rendering of preview.
				control.selectedAttachment.set( mediaFrameProps );

				control.model.set( _.extend(
					control.model.defaults(),
					control.mapMediaToModelProps( mediaFrameProps ),
					{ error: false }
				) );
			};

			mediaFrame.state( 'audio-details' ).on( 'update', updateCallback );
			mediaFrame.state( 'replace-audio' ).on( 'replace', updateCallback );
			mediaFrame.on( 'close', function() {
				mediaFrame.detach();
			});

			mediaFrame.open();
		}
	});

	// Exports.
	component.controlConstructors.media_audio = AudioWidgetControl;
	component.modelConstructors.media_audio = AudioWidgetModel;

})( wp.mediaWidgets );
PK       ! �Y�	�  �  #  widgets/media-gallery-widget.min.jsnu �[���        /*! This file is auto-generated */
!function(i){"use strict";var a=wp.media.view.MediaFrame.Post.extend({createStates:function(){this.states.add([new wp.media.controller.Library({id:"gallery",title:wp.media.view.l10n.createGalleryTitle,priority:40,toolbar:"main-gallery",filterable:"uploaded",multiple:"add",editable:!0,library:wp.media.query(_.defaults({type:"image"},this.options.library))}),new wp.media.controller.GalleryEdit({library:this.options.selection,editing:this.options.editing,menu:"gallery"}),new wp.media.controller.GalleryAdd])}}),e=i.MediaWidgetModel.extend({}),t=i.MediaWidgetControl.extend({events:_.extend({},i.MediaWidgetControl.prototype.events,{"click .media-widget-gallery-preview":"editMedia"}),initialize:function(e){var t=this;i.MediaWidgetControl.prototype.initialize.call(t,e),_.bindAll(t,"updateSelectedAttachments","handleAttachmentDestroy"),t.selectedAttachments=new wp.media.model.Attachments,t.model.on("change:ids",t.updateSelectedAttachments),t.selectedAttachments.on("change",t.renderPreview),t.selectedAttachments.on("reset",t.renderPreview),t.updateSelectedAttachments(),wp.customize&&wp.customize.previewer&&t.selectedAttachments.on("change",function(){wp.customize.previewer.send("refresh-widget-partial",t.model.get("widget_id"))})},updateSelectedAttachments:function(){var e,t=this,i=t.model.get("ids"),d=_.pluck(t.selectedAttachments.models,"id"),a=_.difference(d,i);_.each(a,function(e){t.selectedAttachments.remove(t.selectedAttachments.get(e))}),_.difference(i,d).length&&(e=wp.media.query({order:"ASC",orderby:"post__in",perPage:-1,post__in:i,query:!0,type:"image"})).more().done(function(){t.selectedAttachments.reset(e.models)})},renderPreview:function(){var e=this,t=e.$el.find(".media-widget-preview"),i=wp.template("wp-media-widget-gallery-preview"),d=e.previewTemplateProps.toJSON();d.attachments={},e.selectedAttachments.each(function(e){d.attachments[e.id]=e.toJSON()}),t.html(i(d))},isSelected:function(){return!this.model.get("error")&&0<this.model.get("ids").length},editMedia:function(){var i,d=this,e=new wp.media.model.Selection(d.selectedAttachments.models,{multiple:!0}),t=d.mapModelToMediaFrameProps(d.model.toJSON());e.gallery=new Backbone.Model(t),t.size&&d.displaySettings.set("size",t.size),i=new a({frame:"manage",text:d.l10n.add_to_widget,selection:e,mimeType:d.mime_type,selectedDisplaySettings:d.displaySettings,showDisplaySettings:d.showDisplaySettings,metadata:t,editing:!0,multiple:!0,state:"gallery-edit"}),(wp.media.frame=i).on("update",function(e){var t=i.state(),e=e||t.get("selection");e&&(e.gallery&&d.model.set(d.mapMediaToModelProps(e.gallery.toJSON())),d.selectedAttachments.reset(e.models),d.model.set({ids:_.pluck(e.models,"id")}))}),i.$el.addClass("media-widget"),i.open(),e&&e.on("destroy",d.handleAttachmentDestroy)},selectMedia:function(){var i,d=this,e=new wp.media.model.Selection(d.selectedAttachments.models,{multiple:!0}),t=d.mapModelToMediaFrameProps(d.model.toJSON());t.size&&d.displaySettings.set("size",t.size),i=new a({frame:"select",text:d.l10n.add_to_widget,selection:e,mimeType:d.mime_type,selectedDisplaySettings:d.displaySettings,showDisplaySettings:d.showDisplaySettings,metadata:t,state:"gallery"}),(wp.media.frame=i).on("update",function(e){var t=i.state(),e=e||t.get("selection");e&&(e.gallery&&d.model.set(d.mapMediaToModelProps(e.gallery.toJSON())),d.selectedAttachments.reset(e.models),d.model.set({ids:_.pluck(e.models,"id")}))}),i.$el.addClass("media-widget"),i.open(),e&&e.on("destroy",d.handleAttachmentDestroy),i.$el.find(":focusable:first").focus()},handleAttachmentDestroy:function(e){this.model.set({ids:_.difference(this.model.get("ids"),[e.id])})}});i.controlConstructors.media_gallery=t,i.modelConstructors.media_gallery=e}(wp.mediaWidgets);PK       ! yQX�=  �=    widgets/custom-html-widgets.jsnu �[���        /**
 * @output wp-admin/js/widgets/custom-html-widgets.js
 */

/* global wp */
/* eslint consistent-this: [ "error", "control" ] */
/* eslint no-magic-numbers: ["error", { "ignore": [0,1,-1] }] */

/**
 * @namespace wp.customHtmlWidget
 * @memberOf wp
 */
wp.customHtmlWidgets = ( function( $ ) {
	'use strict';

	var component = {
		idBases: [ 'custom_html' ],
		codeEditorSettings: {},
		l10n: {
			errorNotice: {
				singular: '',
				plural: ''
			}
		}
	};

	component.CustomHtmlWidgetControl = Backbone.View.extend(/** @lends wp.customHtmlWidgets.CustomHtmlWidgetControl.prototype */{

		/**
		 * View events.
		 *
		 * @type {Object}
		 */
		events: {},

		/**
		 * Text widget control.
		 *
		 * @constructs wp.customHtmlWidgets.CustomHtmlWidgetControl
		 * @augments Backbone.View
		 * @abstract
		 *
		 * @param {Object} options - Options.
		 * @param {jQuery} options.el - Control field container element.
		 * @param {jQuery} options.syncContainer - Container element where fields are synced for the server.
		 *
		 * @return {void}
		 */
		initialize: function initialize( options ) {
			var control = this;

			if ( ! options.el ) {
				throw new Error( 'Missing options.el' );
			}
			if ( ! options.syncContainer ) {
				throw new Error( 'Missing options.syncContainer' );
			}

			Backbone.View.prototype.initialize.call( control, options );
			control.syncContainer = options.syncContainer;
			control.widgetIdBase = control.syncContainer.parent().find( '.id_base' ).val();
			control.widgetNumber = control.syncContainer.parent().find( '.widget_number' ).val();
			control.customizeSettingId = 'widget_' + control.widgetIdBase + '[' + String( control.widgetNumber ) + ']';

			control.$el.addClass( 'custom-html-widget-fields' );
			control.$el.html( wp.template( 'widget-custom-html-control-fields' )( { codeEditorDisabled: component.codeEditorSettings.disabled } ) );

			control.errorNoticeContainer = control.$el.find( '.code-editor-error-container' );
			control.currentErrorAnnotations = [];
			control.saveButton = control.syncContainer.add( control.syncContainer.parent().find( '.widget-control-actions' ) ).find( '.widget-control-save, #savewidget' );
			control.saveButton.addClass( 'custom-html-widget-save-button' ); // To facilitate style targeting.

			control.fields = {
				title: control.$el.find( '.title' ),
				content: control.$el.find( '.content' )
			};

			// Sync input fields to hidden sync fields which actually get sent to the server.
			_.each( control.fields, function( fieldInput, fieldName ) {
				fieldInput.on( 'input change', function updateSyncField() {
					var syncInput = control.syncContainer.find( '.sync-input.' + fieldName );
					if ( syncInput.val() !== fieldInput.val() ) {
						syncInput.val( fieldInput.val() );
						syncInput.trigger( 'change' );
					}
				});

				// Note that syncInput cannot be re-used because it will be destroyed with each widget-updated event.
				fieldInput.val( control.syncContainer.find( '.sync-input.' + fieldName ).val() );
			});
		},

		/**
		 * Update input fields from the sync fields.
		 *
		 * This function is called at the widget-updated and widget-synced events.
		 * A field will only be updated if it is not currently focused, to avoid
		 * overwriting content that the user is entering.
		 *
		 * @return {void}
		 */
		updateFields: function updateFields() {
			var control = this, syncInput;

			if ( ! control.fields.title.is( document.activeElement ) ) {
				syncInput = control.syncContainer.find( '.sync-input.title' );
				control.fields.title.val( syncInput.val() );
			}

			/*
			 * Prevent updating content when the editor is focused or if there are current error annotations,
			 * to prevent the editor's contents from getting sanitized as soon as a user removes focus from
			 * the editor. This is particularly important for users who cannot unfiltered_html.
			 */
			control.contentUpdateBypassed = control.fields.content.is( document.activeElement ) || control.editor && control.editor.codemirror.state.focused || 0 !== control.currentErrorAnnotations.length;
			if ( ! control.contentUpdateBypassed ) {
				syncInput = control.syncContainer.find( '.sync-input.content' );
				control.fields.content.val( syncInput.val() );
			}
		},

		/**
		 * Show linting error notice.
		 *
		 * @param {Array} errorAnnotations - Error annotations.
		 * @return {void}
		 */
		updateErrorNotice: function( errorAnnotations ) {
			var control = this, errorNotice, message = '', customizeSetting;

			if ( 1 === errorAnnotations.length ) {
				message = component.l10n.errorNotice.singular.replace( '%d', '1' );
			} else if ( errorAnnotations.length > 1 ) {
				message = component.l10n.errorNotice.plural.replace( '%d', String( errorAnnotations.length ) );
			}

			if ( control.fields.content[0].setCustomValidity ) {
				control.fields.content[0].setCustomValidity( message );
			}

			if ( wp.customize && wp.customize.has( control.customizeSettingId ) ) {
				customizeSetting = wp.customize( control.customizeSettingId );
				customizeSetting.notifications.remove( 'htmlhint_error' );
				if ( 0 !== errorAnnotations.length ) {
					customizeSetting.notifications.add( 'htmlhint_error', new wp.customize.Notification( 'htmlhint_error', {
						message: message,
						type: 'error'
					} ) );
				}
			} else if ( 0 !== errorAnnotations.length ) {
				errorNotice = $( '<div class="inline notice notice-error notice-alt" role="alert"></div>' );
				errorNotice.append( $( '<p></p>', {
					text: message
				} ) );
				control.errorNoticeContainer.empty();
				control.errorNoticeContainer.append( errorNotice );
				control.errorNoticeContainer.slideDown( 'fast' );
				wp.a11y.speak( message );
			} else {
				control.errorNoticeContainer.slideUp( 'fast' );
			}
		},

		/**
		 * Initialize editor.
		 *
		 * @return {void}
		 */
		initializeEditor: function initializeEditor() {
			var control = this, settings;

			if ( component.codeEditorSettings.disabled ) {
				return;
			}

			settings = _.extend( {}, component.codeEditorSettings, {

				/**
				 * Handle tabbing to the field before the editor.
				 *
				 * @ignore
				 *
				 * @return {void}
				 */
				onTabPrevious: function onTabPrevious() {
					control.fields.title.focus();
				},

				/**
				 * Handle tabbing to the field after the editor.
				 *
				 * @ignore
				 *
				 * @return {void}
				 */
				onTabNext: function onTabNext() {
					var tabbables = control.syncContainer.add( control.syncContainer.parent().find( '.widget-position, .widget-control-actions' ) ).find( ':tabbable' );
					tabbables.first().focus();
				},

				/**
				 * Disable save button and store linting errors for use in updateFields.
				 *
				 * @ignore
				 *
				 * @param {Array} errorAnnotations - Error notifications.
				 * @return {void}
				 */
				onChangeLintingErrors: function onChangeLintingErrors( errorAnnotations ) {
					control.currentErrorAnnotations = errorAnnotations;
				},

				/**
				 * Update error notice.
				 *
				 * @ignore
				 *
				 * @param {Array} errorAnnotations - Error annotations.
				 * @return {void}
				 */
				onUpdateErrorNotice: function onUpdateErrorNotice( errorAnnotations ) {
					control.saveButton.toggleClass( 'validation-blocked disabled', errorAnnotations.length > 0 );
					control.updateErrorNotice( errorAnnotations );
				}
			});

			control.editor = wp.codeEditor.initialize( control.fields.content, settings );

			// Improve the editor accessibility.
			$( control.editor.codemirror.display.lineDiv )
				.attr({
					role: 'textbox',
					'aria-multiline': 'true',
					'aria-labelledby': control.fields.content[0].id + '-label',
					'aria-describedby': 'editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4'
				});

			// Focus the editor when clicking on its label.
			$( '#' + control.fields.content[0].id + '-label' ).on( 'click', function() {
				control.editor.codemirror.focus();
			});

			control.fields.content.on( 'change', function() {
				if ( this.value !== control.editor.codemirror.getValue() ) {
					control.editor.codemirror.setValue( this.value );
				}
			});
			control.editor.codemirror.on( 'change', function() {
				var value = control.editor.codemirror.getValue();
				if ( value !== control.fields.content.val() ) {
					control.fields.content.val( value ).trigger( 'change' );
				}
			});

			// Make sure the editor gets updated if the content was updated on the server (sanitization) but not updated in the editor since it was focused.
			control.editor.codemirror.on( 'blur', function() {
				if ( control.contentUpdateBypassed ) {
					control.syncContainer.find( '.sync-input.content' ).trigger( 'change' );
				}
			});

			// Prevent hitting Esc from collapsing the widget control.
			if ( wp.customize ) {
				control.editor.codemirror.on( 'keydown', function onKeydown( codemirror, event ) {
					var escKeyCode = 27;
					if ( escKeyCode === event.keyCode ) {
						event.stopPropagation();
					}
				});
			}
		}
	});

	/**
	 * Mapping of widget ID to instances of CustomHtmlWidgetControl subclasses.
	 *
	 * @alias wp.customHtmlWidgets.widgetControls
	 *
	 * @type {Object.<string, wp.textWidgets.CustomHtmlWidgetControl>}
	 */
	component.widgetControls = {};

	/**
	 * Handle widget being added or initialized for the first time at the widget-added event.
	 *
	 * @alias wp.customHtmlWidgets.handleWidgetAdded
	 *
	 * @param {jQuery.Event} event - Event.
	 * @param {jQuery}       widgetContainer - Widget container element.
	 *
	 * @return {void}
	 */
	component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
		var widgetForm, idBase, widgetControl, widgetId, animatedCheckDelay = 50, renderWhenAnimationDone, fieldContainer, syncContainer;
		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' ); // Note: '.form' appears in the customizer, whereas 'form' on the widgets admin screen.

		idBase = widgetForm.find( '> .id_base' ).val();
		if ( -1 === component.idBases.indexOf( idBase ) ) {
			return;
		}

		// Prevent initializing already-added widgets.
		widgetId = widgetForm.find( '.widget-id' ).val();
		if ( component.widgetControls[ widgetId ] ) {
			return;
		}

		/*
		 * Create a container element for the widget control fields.
		 * This is inserted into the DOM immediately before the the .widget-content
		 * element because the contents of this element are essentially "managed"
		 * by PHP, where each widget update cause the entire element to be emptied
		 * and replaced with the rendered output of WP_Widget::form() which is
		 * sent back in Ajax request made to save/update the widget instance.
		 * To prevent a "flash of replaced DOM elements and re-initialized JS
		 * components", the JS template is rendered outside of the normal form
		 * container.
		 */
		fieldContainer = $( '<div></div>' );
		syncContainer = widgetContainer.find( '.widget-content:first' );
		syncContainer.before( fieldContainer );

		widgetControl = new component.CustomHtmlWidgetControl({
			el: fieldContainer,
			syncContainer: syncContainer
		});

		component.widgetControls[ widgetId ] = widgetControl;

		/*
		 * Render the widget once the widget parent's container finishes animating,
		 * as the widget-added event fires with a slideDown of the container.
		 * This ensures that the textarea is visible and the editor can be initialized.
		 */
		renderWhenAnimationDone = function() {
			if ( ! ( wp.customize ? widgetContainer.parent().hasClass( 'expanded' ) : widgetContainer.hasClass( 'open' ) ) ) { // Core merge: The wp.customize condition can be eliminated with this change being in core: https://core.trac.wordpress.org/changeset/41260
				setTimeout( renderWhenAnimationDone, animatedCheckDelay );
			} else {
				widgetControl.initializeEditor();
			}
		};
		renderWhenAnimationDone();
	};

	/**
	 * Setup widget in accessibility mode.
	 *
	 * @alias wp.customHtmlWidgets.setupAccessibleMode
	 *
	 * @return {void}
	 */
	component.setupAccessibleMode = function setupAccessibleMode() {
		var widgetForm, idBase, widgetControl, fieldContainer, syncContainer;
		widgetForm = $( '.editwidget > form' );
		if ( 0 === widgetForm.length ) {
			return;
		}

		idBase = widgetForm.find( '.id_base' ).val();
		if ( -1 === component.idBases.indexOf( idBase ) ) {
			return;
		}

		fieldContainer = $( '<div></div>' );
		syncContainer = widgetForm.find( '> .widget-inside' );
		syncContainer.before( fieldContainer );

		widgetControl = new component.CustomHtmlWidgetControl({
			el: fieldContainer,
			syncContainer: syncContainer
		});

		widgetControl.initializeEditor();
	};

	/**
	 * Sync widget instance data sanitized from server back onto widget model.
	 *
	 * This gets called via the 'widget-updated' event when saving a widget from
	 * the widgets admin screen and also via the 'widget-synced' event when making
	 * a change to a widget in the customizer.
	 *
	 * @alias wp.customHtmlWidgets.handleWidgetUpdated
	 *
	 * @param {jQuery.Event} event - Event.
	 * @param {jQuery}       widgetContainer - Widget container element.
	 * @return {void}
	 */
	component.handleWidgetUpdated = function handleWidgetUpdated( event, widgetContainer ) {
		var widgetForm, widgetId, widgetControl, idBase;
		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' );

		idBase = widgetForm.find( '> .id_base' ).val();
		if ( -1 === component.idBases.indexOf( idBase ) ) {
			return;
		}

		widgetId = widgetForm.find( '> .widget-id' ).val();
		widgetControl = component.widgetControls[ widgetId ];
		if ( ! widgetControl ) {
			return;
		}

		widgetControl.updateFields();
	};

	/**
	 * Initialize functionality.
	 *
	 * This function exists to prevent the JS file from having to boot itself.
	 * When WordPress enqueues this script, it should have an inline script
	 * attached which calls wp.textWidgets.init().
	 *
	 * @alias wp.customHtmlWidgets.init
	 *
	 * @param {Object} settings - Options for code editor, exported from PHP.
	 *
	 * @return {void}
	 */
	component.init = function init( settings ) {
		var $document = $( document );
		_.extend( component.codeEditorSettings, settings );

		$document.on( 'widget-added', component.handleWidgetAdded );
		$document.on( 'widget-synced widget-updated', component.handleWidgetUpdated );

		/*
		 * Manually trigger widget-added events for media widgets on the admin
		 * screen once they are expanded. The widget-added event is not triggered
		 * for each pre-existing widget on the widgets admin screen like it is
		 * on the customizer. Likewise, the customizer only triggers widget-added
		 * when the widget is expanded to just-in-time construct the widget form
		 * when it is actually going to be displayed. So the following implements
		 * the same for the widgets admin screen, to invoke the widget-added
		 * handler when a pre-existing media widget is expanded.
		 */
		$( function initializeExistingWidgetContainers() {
			var widgetContainers;
			if ( 'widgets' !== window.pagenow ) {
				return;
			}
			widgetContainers = $( '.widgets-holder-wrap:not(#available-widgets)' ).find( 'div.widget' );
			widgetContainers.one( 'click.toggle-widget-expanded', function toggleWidgetExpanded() {
				var widgetContainer = $( this );
				component.handleWidgetAdded( new jQuery.Event( 'widget-added' ), widgetContainer );
			});

			// Accessibility mode.
			if ( document.readyState === 'complete' ) {
				// Page is fully loaded.
				component.setupAccessibleMode();
			} else {
				// Page is still loading.
				$( window ).on( 'load', function() {
					component.setupAccessibleMode();
				});
			}
		});
	};

	return component;
})( jQuery );
PK       ! ��YD�  �    widgets/text-widgets.min.jsnu �[���        /*! This file is auto-generated */
wp.textWidgets=function(r){"use strict";var u={dismissedPointers:[],idBases:["text"]};return u.TextWidgetControl=Backbone.View.extend({events:{},initialize:function(e){var n=this;if(!e.el)throw new Error("Missing options.el");if(!e.syncContainer)throw new Error("Missing options.syncContainer");Backbone.View.prototype.initialize.call(n,e),n.syncContainer=e.syncContainer,n.$el.addClass("text-widget-fields"),n.$el.html(wp.template("widget-text-control-fields")),n.customHtmlWidgetPointer=n.$el.find(".wp-pointer.custom-html-widget-pointer"),n.customHtmlWidgetPointer.length&&(n.customHtmlWidgetPointer.find(".close").on("click",function(e){e.preventDefault(),n.customHtmlWidgetPointer.hide(),r("#"+n.fields.text.attr("id")+"-html").trigger("focus"),n.dismissPointers(["text_widget_custom_html"])}),n.customHtmlWidgetPointer.find(".add-widget").on("click",function(e){e.preventDefault(),n.customHtmlWidgetPointer.hide(),n.openAvailableWidgetsPanel()})),n.pasteHtmlPointer=n.$el.find(".wp-pointer.paste-html-pointer"),n.pasteHtmlPointer.length&&n.pasteHtmlPointer.find(".close").on("click",function(e){e.preventDefault(),n.pasteHtmlPointer.hide(),n.editor.focus(),n.dismissPointers(["text_widget_custom_html","text_widget_paste_html"])}),n.fields={title:n.$el.find(".title"),text:n.$el.find(".text")},_.each(n.fields,function(t,i){t.on("input change",function(){var e=n.syncContainer.find(".sync-input."+i);e.val()!==t.val()&&(e.val(t.val()),e.trigger("change"))}),t.val(n.syncContainer.find(".sync-input."+i).val())})},dismissPointers:function(e){_.each(e,function(e){wp.ajax.post("dismiss-wp-pointer",{pointer:e}),u.dismissedPointers.push(e)})},openAvailableWidgetsPanel:function(){var t;wp.customize.section.each(function(e){e.extended(wp.customize.Widgets.SidebarSection)&&e.expanded()&&(t=wp.customize.control("sidebars_widgets["+e.params.sidebarId+"]"))}),t&&setTimeout(function(){wp.customize.Widgets.availableWidgetsPanel.open(t),wp.customize.Widgets.availableWidgetsPanel.$search.val("HTML").trigger("keyup")})},updateFields:function(){var e,t=this;t.fields.title.is(document.activeElement)||(e=t.syncContainer.find(".sync-input.title"),t.fields.title.val(e.val())),e=t.syncContainer.find(".sync-input.text"),t.fields.text.is(":visible")?t.fields.text.is(document.activeElement)||t.fields.text.val(e.val()):t.editor&&!t.editorFocused&&e.val()!==t.fields.text.val()&&t.editor.setContent(wp.oldEditor.autop(e.val()))},initializeEditor:function(){var d,e,o,t,s=this,a=1e3,l=!1,c=!1;e=s.fields.text,d=e.attr("id"),t=e.val(),o=function(){s.editor.isDirty()&&(wp.customize&&wp.customize.state&&(wp.customize.state("processing").set(wp.customize.state("processing").get()+1),_.delay(function(){wp.customize.state("processing").set(wp.customize.state("processing").get()-1)},300)),s.editor.isHidden()||s.editor.save()),c&&t!==e.val()&&(e.trigger("change"),c=!1,t=e.val())},s.syncContainer.closest(".widget").find("[name=savewidget]:first").on("click",function(){o()}),function e(){var t,i,n;if(document.getElementById(d))if(void 0===window.tinymce)wp.oldEditor.initialize(d,{quicktags:!0,mediaButtons:!0});else{if(tinymce.get(d)&&(l=tinymce.get(d).isHidden(),wp.oldEditor.remove(d)),r(document).one("wp-before-tinymce-init.text-widget-init",function(e,t){t.plugins&&!/\bwpview\b/.test(t.plugins)&&(t.plugins+=",wpview")}),wp.oldEditor.initialize(d,{tinymce:{wpautop:!0},quicktags:!0,mediaButtons:!0}),n=function(e){e.show(),e.find(".close").trigger("focus"),wp.a11y.speak(e.find("h3, p").map(function(){return r(this).text()}).get().join("\n\n"))},!(t=window.tinymce.get(d)))throw new Error("Failed to initialize editor");i=function(){r(t.getWin()).on("pagehide",function(){_.defer(e)}),l&&switchEditors.go(d,"html"),r("#"+d+"-html").on("click",function(){s.pasteHtmlPointer.hide(),-1===u.dismissedPointers.indexOf("text_widget_custom_html")&&n(s.customHtmlWidgetPointer)}),r("#"+d+"-tmce").on("click",function(){s.customHtmlWidgetPointer.hide()}),t.on("pastepreprocess",function(e){e=e.content,-1===u.dismissedPointers.indexOf("text_widget_paste_html")&&e&&/&lt;\w+.*?&gt;/.test(e)&&_.delay(function(){n(s.pasteHtmlPointer)},250)})},t.initialized?i():t.on("init",i),s.editorFocused=!1,t.on("focus",function(){s.editorFocused=!0}),t.on("paste",function(){t.setDirty(!0),o()}),t.on("NodeChange",function(){c=!0}),t.on("NodeChange",_.debounce(o,a)),t.on("blur hide",function(){s.editorFocused=!1,o()}),s.editor=t}}()}}),u.widgetControls={},u.handleWidgetAdded=function(e,t){var i,n,d,o=t.find("> .widget-inside > .form, > .widget-inside > form"),s=o.find("> .id_base").val();-1===u.idBases.indexOf(s)||(s=o.find(".widget-id").val(),u.widgetControls[s])||o.find(".visual").val()&&(o=r("<div></div>"),(d=t.find(".widget-content:first")).before(o),i=new u.TextWidgetControl({el:o,syncContainer:d}),u.widgetControls[s]=i,(n=function(){t.hasClass("open")?i.initializeEditor():setTimeout(n,50)})())},u.setupAccessibleMode=function(){var e,t=r(".editwidget > form");0!==t.length&&(e=t.find(".id_base").val(),-1!==u.idBases.indexOf(e))&&t.find(".visual").val()&&(e=r("<div></div>"),(t=t.find("> .widget-inside")).before(e),new u.TextWidgetControl({el:e,syncContainer:t}).initializeEditor())},u.handleWidgetUpdated=function(e,t){var t=t.find("> .widget-inside > .form, > .widget-inside > form"),i=t.find("> .id_base").val();-1!==u.idBases.indexOf(i)&&(i=t.find("> .widget-id").val(),t=u.widgetControls[i])&&t.updateFields()},u.init=function(){var e=r(document);e.on("widget-added",u.handleWidgetAdded),e.on("widget-synced widget-updated",u.handleWidgetUpdated),r(function(){"widgets"===window.pagenow&&(r(".widgets-holder-wrap:not(#available-widgets)").find("div.widget").one("click.toggle-widget-expanded",function(){var e=r(this);u.handleWidgetAdded(new jQuery.Event("widget-added"),e)}),u.setupAccessibleMode())})},u}(jQuery);PK       ! '��p�  p�    widgets/media-widgets.jsnu �[���        /**
 * @output wp-admin/js/widgets/media-widgets.js
 */

/* eslint consistent-this: [ "error", "control" ] */

/**
 * @namespace wp.mediaWidgets
 * @memberOf  wp
 */
wp.mediaWidgets = ( function( $ ) {
	'use strict';

	var component = {};

	/**
	 * Widget control (view) constructors, mapping widget id_base to subclass of MediaWidgetControl.
	 *
	 * Media widgets register themselves by assigning subclasses of MediaWidgetControl onto this object by widget ID base.
	 *
	 * @memberOf wp.mediaWidgets
	 *
	 * @type {Object.<string, wp.mediaWidgets.MediaWidgetModel>}
	 */
	component.controlConstructors = {};

	/**
	 * Widget model constructors, mapping widget id_base to subclass of MediaWidgetModel.
	 *
	 * Media widgets register themselves by assigning subclasses of MediaWidgetControl onto this object by widget ID base.
	 *
	 * @memberOf wp.mediaWidgets
	 *
	 * @type {Object.<string, wp.mediaWidgets.MediaWidgetModel>}
	 */
	component.modelConstructors = {};

	component.PersistentDisplaySettingsLibrary = wp.media.controller.Library.extend(/** @lends wp.mediaWidgets.PersistentDisplaySettingsLibrary.prototype */{

		/**
		 * Library which persists the customized display settings across selections.
		 *
		 * @constructs wp.mediaWidgets.PersistentDisplaySettingsLibrary
		 * @augments   wp.media.controller.Library
		 *
		 * @param {Object} options - Options.
		 *
		 * @return {void}
		 */
		initialize: function initialize( options ) {
			_.bindAll( this, 'handleDisplaySettingChange' );
			wp.media.controller.Library.prototype.initialize.call( this, options );
		},

		/**
		 * Sync changes to the current display settings back into the current customized.
		 *
		 * @param {Backbone.Model} displaySettings - Modified display settings.
		 * @return {void}
		 */
		handleDisplaySettingChange: function handleDisplaySettingChange( displaySettings ) {
			this.get( 'selectedDisplaySettings' ).set( displaySettings.attributes );
		},

		/**
		 * Get the display settings model.
		 *
		 * Model returned is updated with the current customized display settings,
		 * and an event listener is added so that changes made to the settings
		 * will sync back into the model storing the session's customized display
		 * settings.
		 *
		 * @param {Backbone.Model} model - Display settings model.
		 * @return {Backbone.Model} Display settings model.
		 */
		display: function getDisplaySettingsModel( model ) {
			var display, selectedDisplaySettings = this.get( 'selectedDisplaySettings' );
			display = wp.media.controller.Library.prototype.display.call( this, model );

			display.off( 'change', this.handleDisplaySettingChange ); // Prevent duplicated event handlers.
			display.set( selectedDisplaySettings.attributes );
			if ( 'custom' === selectedDisplaySettings.get( 'link_type' ) ) {
				display.linkUrl = selectedDisplaySettings.get( 'link_url' );
			}
			display.on( 'change', this.handleDisplaySettingChange );
			return display;
		}
	});

	/**
	 * Extended view for managing the embed UI.
	 *
	 * @class    wp.mediaWidgets.MediaEmbedView
	 * @augments wp.media.view.Embed
	 */
	component.MediaEmbedView = wp.media.view.Embed.extend(/** @lends wp.mediaWidgets.MediaEmbedView.prototype */{

		/**
		 * Initialize.
		 *
		 * @since 4.9.0
		 *
		 * @param {Object} options - Options.
		 * @return {void}
		 */
		initialize: function( options ) {
			var view = this, embedController; // eslint-disable-line consistent-this
			wp.media.view.Embed.prototype.initialize.call( view, options );
			if ( 'image' !== view.controller.options.mimeType ) {
				embedController = view.controller.states.get( 'embed' );
				embedController.off( 'scan', embedController.scanImage, embedController );
			}
		},

		/**
		 * Refresh embed view.
		 *
		 * Forked override of {wp.media.view.Embed#refresh()} to suppress irrelevant "link text" field.
		 *
		 * @return {void}
		 */
		refresh: function refresh() {
			/**
			 * @class wp.mediaWidgets~Constructor
			 */
			var Constructor;

			if ( 'image' === this.controller.options.mimeType ) {
				Constructor = wp.media.view.EmbedImage;
			} else {

				// This should be eliminated once #40450 lands of when this is merged into core.
				Constructor = wp.media.view.EmbedLink.extend(/** @lends wp.mediaWidgets~Constructor.prototype */{

					/**
					 * Set the disabled state on the Add to Widget button.
					 *
					 * @param {boolean} disabled - Disabled.
					 * @return {void}
					 */
					setAddToWidgetButtonDisabled: function setAddToWidgetButtonDisabled( disabled ) {
						this.views.parent.views.parent.views.get( '.media-frame-toolbar' )[0].$el.find( '.media-button-select' ).prop( 'disabled', disabled );
					},

					/**
					 * Set or clear an error notice.
					 *
					 * @param {string} notice - Notice.
					 * @return {void}
					 */
					setErrorNotice: function setErrorNotice( notice ) {
						var embedLinkView = this, noticeContainer; // eslint-disable-line consistent-this

						noticeContainer = embedLinkView.views.parent.$el.find( '> .notice:first-child' );
						if ( ! notice ) {
							if ( noticeContainer.length ) {
								noticeContainer.slideUp( 'fast' );
							}
						} else {
							if ( ! noticeContainer.length ) {
								noticeContainer = $( '<div class="media-widget-embed-notice notice notice-error notice-alt" role="alert"></div>' );
								noticeContainer.hide();
								embedLinkView.views.parent.$el.prepend( noticeContainer );
							}
							noticeContainer.empty();
							noticeContainer.append( $( '<p>', {
								html: notice
							}));
							noticeContainer.slideDown( 'fast' );
						}
					},

					/**
					 * Update oEmbed.
					 *
					 * @since 4.9.0
					 *
					 * @return {void}
					 */
					updateoEmbed: function() {
						var embedLinkView = this, url; // eslint-disable-line consistent-this

						url = embedLinkView.model.get( 'url' );

						// Abort if the URL field was emptied out.
						if ( ! url ) {
							embedLinkView.setErrorNotice( '' );
							embedLinkView.setAddToWidgetButtonDisabled( true );
							return;
						}

						if ( ! url.match( /^(http|https):\/\/.+\// ) ) {
							embedLinkView.controller.$el.find( '#embed-url-field' ).addClass( 'invalid' );
							embedLinkView.setAddToWidgetButtonDisabled( true );
						}

						wp.media.view.EmbedLink.prototype.updateoEmbed.call( embedLinkView );
					},

					/**
					 * Fetch media.
					 *
					 * @return {void}
					 */
					fetch: function() {
						var embedLinkView = this, fetchSuccess, matches, fileExt, urlParser, url, re, youTubeEmbedMatch; // eslint-disable-line consistent-this
						url = embedLinkView.model.get( 'url' );

						if ( embedLinkView.dfd && 'pending' === embedLinkView.dfd.state() ) {
							embedLinkView.dfd.abort();
						}

						fetchSuccess = function( response ) {
							embedLinkView.renderoEmbed({
								data: {
									body: response
								}
							});

							embedLinkView.controller.$el.find( '#embed-url-field' ).removeClass( 'invalid' );
							embedLinkView.setErrorNotice( '' );
							embedLinkView.setAddToWidgetButtonDisabled( false );
						};

						urlParser = document.createElement( 'a' );
						urlParser.href = url;
						matches = urlParser.pathname.toLowerCase().match( /\.(\w+)$/ );
						if ( matches ) {
							fileExt = matches[1];
							if ( ! wp.media.view.settings.embedMimes[ fileExt ] ) {
								embedLinkView.renderFail();
							} else if ( 0 !== wp.media.view.settings.embedMimes[ fileExt ].indexOf( embedLinkView.controller.options.mimeType ) ) {
								embedLinkView.renderFail();
							} else {
								fetchSuccess( '<!--success-->' );
							}
							return;
						}

						// Support YouTube embed links.
						re = /https?:\/\/www\.youtube\.com\/embed\/([^/]+)/;
						youTubeEmbedMatch = re.exec( url );
						if ( youTubeEmbedMatch ) {
							url = 'https://www.youtube.com/watch?v=' + youTubeEmbedMatch[ 1 ];
							// silently change url to proper oembed-able version.
							embedLinkView.model.attributes.url = url;
						}

						embedLinkView.dfd = wp.apiRequest({
							url: wp.media.view.settings.oEmbedProxyUrl,
							data: {
								url: url,
								maxwidth: embedLinkView.model.get( 'width' ),
								maxheight: embedLinkView.model.get( 'height' ),
								discover: false
							},
							type: 'GET',
							dataType: 'json',
							context: embedLinkView
						});

						embedLinkView.dfd.done( function( response ) {
							if ( embedLinkView.controller.options.mimeType !== response.type ) {
								embedLinkView.renderFail();
								return;
							}
							fetchSuccess( response.html );
						});
						embedLinkView.dfd.fail( _.bind( embedLinkView.renderFail, embedLinkView ) );
					},

					/**
					 * Handle render failure.
					 *
					 * Overrides the {EmbedLink#renderFail()} method to prevent showing the "Link Text" field.
					 * The element is getting display:none in the stylesheet, but the underlying method uses
					 * uses {jQuery.fn.show()} which adds an inline style. This avoids the need for !important.
					 *
					 * @return {void}
					 */
					renderFail: function renderFail() {
						var embedLinkView = this; // eslint-disable-line consistent-this
						embedLinkView.controller.$el.find( '#embed-url-field' ).addClass( 'invalid' );
						embedLinkView.setErrorNotice( embedLinkView.controller.options.invalidEmbedTypeError || 'ERROR' );
						embedLinkView.setAddToWidgetButtonDisabled( true );
					}
				});
			}

			this.settings( new Constructor({
				controller: this.controller,
				model:      this.model.props,
				priority:   40
			}));
		}
	});

	/**
	 * Custom media frame for selecting uploaded media or providing media by URL.
	 *
	 * @class    wp.mediaWidgets.MediaFrameSelect
	 * @augments wp.media.view.MediaFrame.Post
	 */
	component.MediaFrameSelect = wp.media.view.MediaFrame.Post.extend(/** @lends wp.mediaWidgets.MediaFrameSelect.prototype */{

		/**
		 * Create the default states.
		 *
		 * @return {void}
		 */
		createStates: function createStates() {
			var mime = this.options.mimeType, specificMimes = [];
			_.each( wp.media.view.settings.embedMimes, function( embedMime ) {
				if ( 0 === embedMime.indexOf( mime ) ) {
					specificMimes.push( embedMime );
				}
			});
			if ( specificMimes.length > 0 ) {
				mime = specificMimes;
			}

			this.states.add([

				// Main states.
				new component.PersistentDisplaySettingsLibrary({
					id:         'insert',
					title:      this.options.title,
					selection:  this.options.selection,
					priority:   20,
					toolbar:    'main-insert',
					filterable: 'dates',
					library:    wp.media.query({
						type: mime
					}),
					multiple:   false,
					editable:   true,

					selectedDisplaySettings: this.options.selectedDisplaySettings,
					displaySettings: _.isUndefined( this.options.showDisplaySettings ) ? true : this.options.showDisplaySettings,
					displayUserSettings: false // We use the display settings from the current/default widget instance props.
				}),

				new wp.media.controller.EditImage({ model: this.options.editImage }),

				// Embed states.
				new wp.media.controller.Embed({
					metadata: this.options.metadata,
					type: 'image' === this.options.mimeType ? 'image' : 'link',
					invalidEmbedTypeError: this.options.invalidEmbedTypeError
				})
			]);
		},

		/**
		 * Main insert toolbar.
		 *
		 * Forked override of {wp.media.view.MediaFrame.Post#mainInsertToolbar()} to override text.
		 *
		 * @param {wp.Backbone.View} view - Toolbar view.
		 * @this {wp.media.controller.Library}
		 * @return {void}
		 */
		mainInsertToolbar: function mainInsertToolbar( view ) {
			var controller = this; // eslint-disable-line consistent-this
			view.set( 'insert', {
				style:    'primary',
				priority: 80,
				text:     controller.options.text, // The whole reason for the fork.
				requires: { selection: true },

				/**
				 * Handle click.
				 *
				 * @ignore
				 *
				 * @fires wp.media.controller.State#insert()
				 * @return {void}
				 */
				click: function onClick() {
					var state = controller.state(),
						selection = state.get( 'selection' );

					controller.close();
					state.trigger( 'insert', selection ).reset();
				}
			});
		},

		/**
		 * Main embed toolbar.
		 *
		 * Forked override of {wp.media.view.MediaFrame.Post#mainEmbedToolbar()} to override text.
		 *
		 * @param {wp.Backbone.View} toolbar - Toolbar view.
		 * @this {wp.media.controller.Library}
		 * @return {void}
		 */
		mainEmbedToolbar: function mainEmbedToolbar( toolbar ) {
			toolbar.view = new wp.media.view.Toolbar.Embed({
				controller: this,
				text: this.options.text,
				event: 'insert'
			});
		},

		/**
		 * Embed content.
		 *
		 * Forked override of {wp.media.view.MediaFrame.Post#embedContent()} to suppress irrelevant "link text" field.
		 *
		 * @return {void}
		 */
		embedContent: function embedContent() {
			var view = new component.MediaEmbedView({
				controller: this,
				model:      this.state()
			}).render();

			this.content.set( view );
		}
	});

	component.MediaWidgetControl = Backbone.View.extend(/** @lends wp.mediaWidgets.MediaWidgetControl.prototype */{

		/**
		 * Translation strings.
		 *
		 * The mapping of translation strings is handled by media widget subclasses,
		 * exported from PHP to JS such as is done in WP_Widget_Media_Image::enqueue_admin_scripts().
		 *
		 * @type {Object}
		 */
		l10n: {
			add_to_widget: '{{add_to_widget}}',
			add_media: '{{add_media}}'
		},

		/**
		 * Widget ID base.
		 *
		 * This may be defined by the subclass. It may be exported from PHP to JS
		 * such as is done in WP_Widget_Media_Image::enqueue_admin_scripts(). If not,
		 * it will attempt to be discovered by looking to see if this control
		 * instance extends each member of component.controlConstructors, and if
		 * it does extend one, will use the key as the id_base.
		 *
		 * @type {string}
		 */
		id_base: '',

		/**
		 * Mime type.
		 *
		 * This must be defined by the subclass. It may be exported from PHP to JS
		 * such as is done in WP_Widget_Media_Image::enqueue_admin_scripts().
		 *
		 * @type {string}
		 */
		mime_type: '',

		/**
		 * View events.
		 *
		 * @type {Object}
		 */
		events: {
			'click .notice-missing-attachment a': 'handleMediaLibraryLinkClick',
			'click .select-media': 'selectMedia',
			'click .placeholder': 'selectMedia',
			'click .edit-media': 'editMedia'
		},

		/**
		 * Show display settings.
		 *
		 * @type {boolean}
		 */
		showDisplaySettings: true,

		/**
		 * Media Widget Control.
		 *
		 * @constructs wp.mediaWidgets.MediaWidgetControl
		 * @augments   Backbone.View
		 * @abstract
		 *
		 * @param {Object}         options - Options.
		 * @param {Backbone.Model} options.model - Model.
		 * @param {jQuery}         options.el - Control field container element.
		 * @param {jQuery}         options.syncContainer - Container element where fields are synced for the server.
		 *
		 * @return {void}
		 */
		initialize: function initialize( options ) {
			var control = this;

			Backbone.View.prototype.initialize.call( control, options );

			if ( ! ( control.model instanceof component.MediaWidgetModel ) ) {
				throw new Error( 'Missing options.model' );
			}
			if ( ! options.el ) {
				throw new Error( 'Missing options.el' );
			}
			if ( ! options.syncContainer ) {
				throw new Error( 'Missing options.syncContainer' );
			}

			control.syncContainer = options.syncContainer;

			control.$el.addClass( 'media-widget-control' );

			// Allow methods to be passed in with control context preserved.
			_.bindAll( control, 'syncModelToInputs', 'render', 'updateSelectedAttachment', 'renderPreview' );

			if ( ! control.id_base ) {
				_.find( component.controlConstructors, function( Constructor, idBase ) {
					if ( control instanceof Constructor ) {
						control.id_base = idBase;
						return true;
					}
					return false;
				});
				if ( ! control.id_base ) {
					throw new Error( 'Missing id_base.' );
				}
			}

			// Track attributes needed to renderPreview in it's own model.
			control.previewTemplateProps = new Backbone.Model( control.mapModelToPreviewTemplateProps() );

			// Re-render the preview when the attachment changes.
			control.selectedAttachment = new wp.media.model.Attachment();
			control.renderPreview = _.debounce( control.renderPreview );
			control.listenTo( control.previewTemplateProps, 'change', control.renderPreview );

			// Make sure a copy of the selected attachment is always fetched.
			control.model.on( 'change:attachment_id', control.updateSelectedAttachment );
			control.model.on( 'change:url', control.updateSelectedAttachment );
			control.updateSelectedAttachment();

			/*
			 * Sync the widget instance model attributes onto the hidden inputs that widgets currently use to store the state.
			 * In the future, when widgets are JS-driven, the underlying widget instance data should be exposed as a model
			 * from the start, without having to sync with hidden fields. See <https://core.trac.wordpress.org/ticket/33507>.
			 */
			control.listenTo( control.model, 'change', control.syncModelToInputs );
			control.listenTo( control.model, 'change', control.syncModelToPreviewProps );
			control.listenTo( control.model, 'change', control.render );

			// Update the title.
			control.$el.on( 'input change', '.title', function updateTitle() {
				control.model.set({
					title: $( this ).val().trim()
				});
			});

			// Update link_url attribute.
			control.$el.on( 'input change', '.link', function updateLinkUrl() {
				var linkUrl = $( this ).val().trim(), linkType = 'custom';
				if ( control.selectedAttachment.get( 'linkUrl' ) === linkUrl || control.selectedAttachment.get( 'link' ) === linkUrl ) {
					linkType = 'post';
				} else if ( control.selectedAttachment.get( 'url' ) === linkUrl ) {
					linkType = 'file';
				}
				control.model.set( {
					link_url: linkUrl,
					link_type: linkType
				});

				// Update display settings for the next time the user opens to select from the media library.
				control.displaySettings.set( {
					link: linkType,
					linkUrl: linkUrl
				});
			});

			/*
			 * Copy current display settings from the widget model to serve as basis
			 * of customized display settings for the current media frame session.
			 * Changes to display settings will be synced into this model, and
			 * when a new selection is made, the settings from this will be synced
			 * into that AttachmentDisplay's model to persist the setting changes.
			 */
			control.displaySettings = new Backbone.Model( _.pick(
				control.mapModelToMediaFrameProps(
					_.extend( control.model.defaults(), control.model.toJSON() )
				),
				_.keys( wp.media.view.settings.defaultProps )
			) );
		},

		/**
		 * Update the selected attachment if necessary.
		 *
		 * @return {void}
		 */
		updateSelectedAttachment: function updateSelectedAttachment() {
			var control = this, attachment;

			if ( 0 === control.model.get( 'attachment_id' ) ) {
				control.selectedAttachment.clear();
				control.model.set( 'error', false );
			} else if ( control.model.get( 'attachment_id' ) !== control.selectedAttachment.get( 'id' ) ) {
				attachment = new wp.media.model.Attachment({
					id: control.model.get( 'attachment_id' )
				});
				attachment.fetch()
					.done( function done() {
						control.model.set( 'error', false );
						control.selectedAttachment.set( attachment.toJSON() );
					})
					.fail( function fail() {
						control.model.set( 'error', 'missing_attachment' );
					});
			}
		},

		/**
		 * Sync the model attributes to the hidden inputs, and update previewTemplateProps.
		 *
		 * @return {void}
		 */
		syncModelToPreviewProps: function syncModelToPreviewProps() {
			var control = this;
			control.previewTemplateProps.set( control.mapModelToPreviewTemplateProps() );
		},

		/**
		 * Sync the model attributes to the hidden inputs, and update previewTemplateProps.
		 *
		 * @return {void}
		 */
		syncModelToInputs: function syncModelToInputs() {
			var control = this;
			control.syncContainer.find( '.media-widget-instance-property' ).each( function() {
				var input = $( this ), value, propertyName;
				propertyName = input.data( 'property' );
				value = control.model.get( propertyName );
				if ( _.isUndefined( value ) ) {
					return;
				}

				if ( 'array' === control.model.schema[ propertyName ].type && _.isArray( value ) ) {
					value = value.join( ',' );
				} else if ( 'boolean' === control.model.schema[ propertyName ].type ) {
					value = value ? '1' : ''; // Because in PHP, strval( true ) === '1' && strval( false ) === ''.
				} else {
					value = String( value );
				}

				if ( input.val() !== value ) {
					input.val( value );
					input.trigger( 'change' );
				}
			});
		},

		/**
		 * Get template.
		 *
		 * @return {Function} Template.
		 */
		template: function template() {
			var control = this;
			if ( ! $( '#tmpl-widget-media-' + control.id_base + '-control' ).length ) {
				throw new Error( 'Missing widget control template for ' + control.id_base );
			}
			return wp.template( 'widget-media-' + control.id_base + '-control' );
		},

		/**
		 * Render template.
		 *
		 * @return {void}
		 */
		render: function render() {
			var control = this, titleInput;

			if ( ! control.templateRendered ) {
				control.$el.html( control.template()( control.model.toJSON() ) );
				control.renderPreview(); // Hereafter it will re-render when control.selectedAttachment changes.
				control.templateRendered = true;
			}

			titleInput = control.$el.find( '.title' );
			if ( ! titleInput.is( document.activeElement ) ) {
				titleInput.val( control.model.get( 'title' ) );
			}

			control.$el.toggleClass( 'selected', control.isSelected() );
		},

		/**
		 * Render media preview.
		 *
		 * @abstract
		 * @return {void}
		 */
		renderPreview: function renderPreview() {
			throw new Error( 'renderPreview must be implemented' );
		},

		/**
		 * Whether a media item is selected.
		 *
		 * @return {boolean} Whether selected and no error.
		 */
		isSelected: function isSelected() {
			var control = this;

			if ( control.model.get( 'error' ) ) {
				return false;
			}

			return Boolean( control.model.get( 'attachment_id' ) || control.model.get( 'url' ) );
		},

		/**
		 * Handle click on link to Media Library to open modal, such as the link that appears when in the missing attachment error notice.
		 *
		 * @param {jQuery.Event} event - Event.
		 * @return {void}
		 */
		handleMediaLibraryLinkClick: function handleMediaLibraryLinkClick( event ) {
			var control = this;
			event.preventDefault();
			control.selectMedia();
		},

		/**
		 * Open the media select frame to chose an item.
		 *
		 * @return {void}
		 */
		selectMedia: function selectMedia() {
			var control = this, selection, mediaFrame, defaultSync, mediaFrameProps, selectionModels = [];

			if ( control.isSelected() && 0 !== control.model.get( 'attachment_id' ) ) {
				selectionModels.push( control.selectedAttachment );
			}

			selection = new wp.media.model.Selection( selectionModels, { multiple: false } );

			mediaFrameProps = control.mapModelToMediaFrameProps( control.model.toJSON() );
			if ( mediaFrameProps.size ) {
				control.displaySettings.set( 'size', mediaFrameProps.size );
			}

			mediaFrame = new component.MediaFrameSelect({
				title: control.l10n.add_media,
				frame: 'post',
				text: control.l10n.add_to_widget,
				selection: selection,
				mimeType: control.mime_type,
				selectedDisplaySettings: control.displaySettings,
				showDisplaySettings: control.showDisplaySettings,
				metadata: mediaFrameProps,
				state: control.isSelected() && 0 === control.model.get( 'attachment_id' ) ? 'embed' : 'insert',
				invalidEmbedTypeError: control.l10n.unsupported_file_type
			});
			wp.media.frame = mediaFrame; // See wp.media().

			// Handle selection of a media item.
			mediaFrame.on( 'insert', function onInsert() {
				var attachment = {}, state = mediaFrame.state();

				// Update cached attachment object to avoid having to re-fetch. This also triggers re-rendering of preview.
				if ( 'embed' === state.get( 'id' ) ) {
					_.extend( attachment, { id: 0 }, state.props.toJSON() );
				} else {
					_.extend( attachment, state.get( 'selection' ).first().toJSON() );
				}

				control.selectedAttachment.set( attachment );
				control.model.set( 'error', false );

				// Update widget instance.
				control.model.set( control.getModelPropsFromMediaFrame( mediaFrame ) );
			});

			// Disable syncing of attachment changes back to server (except for deletions). See <https://core.trac.wordpress.org/ticket/40403>.
			defaultSync = wp.media.model.Attachment.prototype.sync;
			wp.media.model.Attachment.prototype.sync = function( method ) {
				if ( 'delete' === method ) {
					return defaultSync.apply( this, arguments );
				} else {
					return $.Deferred().rejectWith( this ).promise();
				}
			};
			mediaFrame.on( 'close', function onClose() {
				wp.media.model.Attachment.prototype.sync = defaultSync;
			});

			mediaFrame.$el.addClass( 'media-widget' );
			mediaFrame.open();

			// Clear the selected attachment when it is deleted in the media select frame.
			if ( selection ) {
				selection.on( 'destroy', function onDestroy( attachment ) {
					if ( control.model.get( 'attachment_id' ) === attachment.get( 'id' ) ) {
						control.model.set({
							attachment_id: 0,
							url: ''
						});
					}
				});
			}

			/*
			 * Make sure focus is set inside of modal so that hitting Esc will close
			 * the modal and not inadvertently cause the widget to collapse in the customizer.
			 */
			mediaFrame.$el.find( '.media-frame-menu .media-menu-item.active' ).focus();
		},

		/**
		 * Get the instance props from the media selection frame.
		 *
		 * @param {wp.media.view.MediaFrame.Select} mediaFrame - Select frame.
		 * @return {Object} Props.
		 */
		getModelPropsFromMediaFrame: function getModelPropsFromMediaFrame( mediaFrame ) {
			var control = this, state, mediaFrameProps, modelProps;

			state = mediaFrame.state();
			if ( 'insert' === state.get( 'id' ) ) {
				mediaFrameProps = state.get( 'selection' ).first().toJSON();
				mediaFrameProps.postUrl = mediaFrameProps.link;

				if ( control.showDisplaySettings ) {
					_.extend(
						mediaFrameProps,
						mediaFrame.content.get( '.attachments-browser' ).sidebar.get( 'display' ).model.toJSON()
					);
				}
				if ( mediaFrameProps.sizes && mediaFrameProps.size && mediaFrameProps.sizes[ mediaFrameProps.size ] ) {
					mediaFrameProps.url = mediaFrameProps.sizes[ mediaFrameProps.size ].url;
				}
			} else if ( 'embed' === state.get( 'id' ) ) {
				mediaFrameProps = _.extend(
					state.props.toJSON(),
					{ attachment_id: 0 }, // Because some media frames use `attachment_id` not `id`.
					control.model.getEmbedResetProps()
				);
			} else {
				throw new Error( 'Unexpected state: ' + state.get( 'id' ) );
			}

			if ( mediaFrameProps.id ) {
				mediaFrameProps.attachment_id = mediaFrameProps.id;
			}

			modelProps = control.mapMediaToModelProps( mediaFrameProps );

			// Clear the extension prop so sources will be reset for video and audio media.
			_.each( wp.media.view.settings.embedExts, function( ext ) {
				if ( ext in control.model.schema && modelProps.url !== modelProps[ ext ] ) {
					modelProps[ ext ] = '';
				}
			});

			return modelProps;
		},

		/**
		 * Map media frame props to model props.
		 *
		 * @param {Object} mediaFrameProps - Media frame props.
		 * @return {Object} Model props.
		 */
		mapMediaToModelProps: function mapMediaToModelProps( mediaFrameProps ) {
			var control = this, mediaFramePropToModelPropMap = {}, modelProps = {}, extension;
			_.each( control.model.schema, function( fieldSchema, modelProp ) {

				// Ignore widget title attribute.
				if ( 'title' === modelProp ) {
					return;
				}
				mediaFramePropToModelPropMap[ fieldSchema.media_prop || modelProp ] = modelProp;
			});

			_.each( mediaFrameProps, function( value, mediaProp ) {
				var propName = mediaFramePropToModelPropMap[ mediaProp ] || mediaProp;
				if ( control.model.schema[ propName ] ) {
					modelProps[ propName ] = value;
				}
			});

			if ( 'custom' === mediaFrameProps.size ) {
				modelProps.width = mediaFrameProps.customWidth;
				modelProps.height = mediaFrameProps.customHeight;
			}

			if ( 'post' === mediaFrameProps.link ) {
				modelProps.link_url = mediaFrameProps.postUrl || mediaFrameProps.linkUrl;
			} else if ( 'file' === mediaFrameProps.link ) {
				modelProps.link_url = mediaFrameProps.url;
			}

			// Because some media frames use `id` instead of `attachment_id`.
			if ( ! mediaFrameProps.attachment_id && mediaFrameProps.id ) {
				modelProps.attachment_id = mediaFrameProps.id;
			}

			if ( mediaFrameProps.url ) {
				extension = mediaFrameProps.url.replace( /#.*$/, '' ).replace( /\?.*$/, '' ).split( '.' ).pop().toLowerCase();
				if ( extension in control.model.schema ) {
					modelProps[ extension ] = mediaFrameProps.url;
				}
			}

			// Always omit the titles derived from mediaFrameProps.
			return _.omit( modelProps, 'title' );
		},

		/**
		 * Map model props to media frame props.
		 *
		 * @param {Object} modelProps - Model props.
		 * @return {Object} Media frame props.
		 */
		mapModelToMediaFrameProps: function mapModelToMediaFrameProps( modelProps ) {
			var control = this, mediaFrameProps = {};

			_.each( modelProps, function( value, modelProp ) {
				var fieldSchema = control.model.schema[ modelProp ] || {};
				mediaFrameProps[ fieldSchema.media_prop || modelProp ] = value;
			});

			// Some media frames use attachment_id.
			mediaFrameProps.attachment_id = mediaFrameProps.id;

			if ( 'custom' === mediaFrameProps.size ) {
				mediaFrameProps.customWidth = control.model.get( 'width' );
				mediaFrameProps.customHeight = control.model.get( 'height' );
			}

			return mediaFrameProps;
		},

		/**
		 * Map model props to previewTemplateProps.
		 *
		 * @return {Object} Preview Template Props.
		 */
		mapModelToPreviewTemplateProps: function mapModelToPreviewTemplateProps() {
			var control = this, previewTemplateProps = {};
			_.each( control.model.schema, function( value, prop ) {
				if ( ! value.hasOwnProperty( 'should_preview_update' ) || value.should_preview_update ) {
					previewTemplateProps[ prop ] = control.model.get( prop );
				}
			});

			// Templates need to be aware of the error.
			previewTemplateProps.error = control.model.get( 'error' );
			return previewTemplateProps;
		},

		/**
		 * Open the media frame to modify the selected item.
		 *
		 * @abstract
		 * @return {void}
		 */
		editMedia: function editMedia() {
			throw new Error( 'editMedia not implemented' );
		}
	});

	/**
	 * Media widget model.
	 *
	 * @class    wp.mediaWidgets.MediaWidgetModel
	 * @augments Backbone.Model
	 */
	component.MediaWidgetModel = Backbone.Model.extend(/** @lends wp.mediaWidgets.MediaWidgetModel.prototype */{

		/**
		 * Id attribute.
		 *
		 * @type {string}
		 */
		idAttribute: 'widget_id',

		/**
		 * Instance schema.
		 *
		 * This adheres to JSON Schema and subclasses should have their schema
		 * exported from PHP to JS such as is done in WP_Widget_Media_Image::enqueue_admin_scripts().
		 *
		 * @type {Object.<string, Object>}
		 */
		schema: {
			title: {
				type: 'string',
				'default': ''
			},
			attachment_id: {
				type: 'integer',
				'default': 0
			},
			url: {
				type: 'string',
				'default': ''
			}
		},

		/**
		 * Get default attribute values.
		 *
		 * @return {Object} Mapping of property names to their default values.
		 */
		defaults: function() {
			var defaults = {};
			_.each( this.schema, function( fieldSchema, field ) {
				defaults[ field ] = fieldSchema['default'];
			});
			return defaults;
		},

		/**
		 * Set attribute value(s).
		 *
		 * This is a wrapped version of Backbone.Model#set() which allows us to
		 * cast the attribute values from the hidden inputs' string values into
		 * the appropriate data types (integers or booleans).
		 *
		 * @param {string|Object} key - Attribute name or attribute pairs.
		 * @param {mixed|Object}  [val] - Attribute value or options object.
		 * @param {Object}        [options] - Options when attribute name and value are passed separately.
		 * @return {wp.mediaWidgets.MediaWidgetModel} This model.
		 */
		set: function set( key, val, options ) {
			var model = this, attrs, opts, castedAttrs; // eslint-disable-line consistent-this
			if ( null === key ) {
				return model;
			}
			if ( 'object' === typeof key ) {
				attrs = key;
				opts = val;
			} else {
				attrs = {};
				attrs[ key ] = val;
				opts = options;
			}

			castedAttrs = {};
			_.each( attrs, function( value, name ) {
				var type;
				if ( ! model.schema[ name ] ) {
					castedAttrs[ name ] = value;
					return;
				}
				type = model.schema[ name ].type;
				if ( 'array' === type ) {
					castedAttrs[ name ] = value;
					if ( ! _.isArray( castedAttrs[ name ] ) ) {
						castedAttrs[ name ] = castedAttrs[ name ].split( /,/ ); // Good enough for parsing an ID list.
					}
					if ( model.schema[ name ].items && 'integer' === model.schema[ name ].items.type ) {
						castedAttrs[ name ] = _.filter(
							_.map( castedAttrs[ name ], function( id ) {
								return parseInt( id, 10 );
							},
							function( id ) {
								return 'number' === typeof id;
							}
						) );
					}
				} else if ( 'integer' === type ) {
					castedAttrs[ name ] = parseInt( value, 10 );
				} else if ( 'boolean' === type ) {
					castedAttrs[ name ] = ! ( ! value || '0' === value || 'false' === value );
				} else {
					castedAttrs[ name ] = value;
				}
			});

			return Backbone.Model.prototype.set.call( this, castedAttrs, opts );
		},

		/**
		 * Get props which are merged on top of the model when an embed is chosen (as opposed to an attachment).
		 *
		 * @return {Object} Reset/override props.
		 */
		getEmbedResetProps: function getEmbedResetProps() {
			return {
				id: 0
			};
		}
	});

	/**
	 * Collection of all widget model instances.
	 *
	 * @memberOf wp.mediaWidgets
	 *
	 * @type {Backbone.Collection}
	 */
	component.modelCollection = new ( Backbone.Collection.extend( {
		model: component.MediaWidgetModel
	}) )();

	/**
	 * Mapping of widget ID to instances of MediaWidgetControl subclasses.
	 *
	 * @memberOf wp.mediaWidgets
	 *
	 * @type {Object.<string, wp.mediaWidgets.MediaWidgetControl>}
	 */
	component.widgetControls = {};

	/**
	 * Handle widget being added or initialized for the first time at the widget-added event.
	 *
	 * @memberOf wp.mediaWidgets
	 *
	 * @param {jQuery.Event} event - Event.
	 * @param {jQuery}       widgetContainer - Widget container element.
	 *
	 * @return {void}
	 */
	component.handleWidgetAdded = function handleWidgetAdded( event, widgetContainer ) {
		var fieldContainer, syncContainer, widgetForm, idBase, ControlConstructor, ModelConstructor, modelAttributes, widgetControl, widgetModel, widgetId, animatedCheckDelay = 50, renderWhenAnimationDone;
		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' ); // Note: '.form' appears in the customizer, whereas 'form' on the widgets admin screen.
		idBase = widgetForm.find( '> .id_base' ).val();
		widgetId = widgetForm.find( '> .widget-id' ).val();

		// Prevent initializing already-added widgets.
		if ( component.widgetControls[ widgetId ] ) {
			return;
		}

		ControlConstructor = component.controlConstructors[ idBase ];
		if ( ! ControlConstructor ) {
			return;
		}

		ModelConstructor = component.modelConstructors[ idBase ] || component.MediaWidgetModel;

		/*
		 * Create a container element for the widget control (Backbone.View).
		 * This is inserted into the DOM immediately before the .widget-content
		 * element because the contents of this element are essentially "managed"
		 * by PHP, where each widget update cause the entire element to be emptied
		 * and replaced with the rendered output of WP_Widget::form() which is
		 * sent back in Ajax request made to save/update the widget instance.
		 * To prevent a "flash of replaced DOM elements and re-initialized JS
		 * components", the JS template is rendered outside of the normal form
		 * container.
		 */
		fieldContainer = $( '<div></div>' );
		syncContainer = widgetContainer.find( '.widget-content:first' );
		syncContainer.before( fieldContainer );

		/*
		 * Sync the widget instance model attributes onto the hidden inputs that widgets currently use to store the state.
		 * In the future, when widgets are JS-driven, the underlying widget instance data should be exposed as a model
		 * from the start, without having to sync with hidden fields. See <https://core.trac.wordpress.org/ticket/33507>.
		 */
		modelAttributes = {};
		syncContainer.find( '.media-widget-instance-property' ).each( function() {
			var input = $( this );
			modelAttributes[ input.data( 'property' ) ] = input.val();
		});
		modelAttributes.widget_id = widgetId;

		widgetModel = new ModelConstructor( modelAttributes );

		widgetControl = new ControlConstructor({
			el: fieldContainer,
			syncContainer: syncContainer,
			model: widgetModel
		});

		/*
		 * Render the widget once the widget parent's container finishes animating,
		 * as the widget-added event fires with a slideDown of the container.
		 * This ensures that the container's dimensions are fixed so that ME.js
		 * can initialize with the proper dimensions.
		 */
		renderWhenAnimationDone = function() {
			if ( ! widgetContainer.hasClass( 'open' ) ) {
				setTimeout( renderWhenAnimationDone, animatedCheckDelay );
			} else {
				widgetControl.render();
			}
		};
		renderWhenAnimationDone();

		/*
		 * Note that the model and control currently won't ever get garbage-collected
		 * when a widget gets removed/deleted because there is no widget-removed event.
		 */
		component.modelCollection.add( [ widgetModel ] );
		component.widgetControls[ widgetModel.get( 'widget_id' ) ] = widgetControl;
	};

	/**
	 * Setup widget in accessibility mode.
	 *
	 * @memberOf wp.mediaWidgets
	 *
	 * @return {void}
	 */
	component.setupAccessibleMode = function setupAccessibleMode() {
		var widgetForm, widgetId, idBase, widgetControl, ControlConstructor, ModelConstructor, modelAttributes, fieldContainer, syncContainer;
		widgetForm = $( '.editwidget > form' );
		if ( 0 === widgetForm.length ) {
			return;
		}

		idBase = widgetForm.find( '.id_base' ).val();

		ControlConstructor = component.controlConstructors[ idBase ];
		if ( ! ControlConstructor ) {
			return;
		}

		widgetId = widgetForm.find( '> .widget-control-actions > .widget-id' ).val();

		ModelConstructor = component.modelConstructors[ idBase ] || component.MediaWidgetModel;
		fieldContainer = $( '<div></div>' );
		syncContainer = widgetForm.find( '> .widget-inside' );
		syncContainer.before( fieldContainer );

		modelAttributes = {};
		syncContainer.find( '.media-widget-instance-property' ).each( function() {
			var input = $( this );
			modelAttributes[ input.data( 'property' ) ] = input.val();
		});
		modelAttributes.widget_id = widgetId;

		widgetControl = new ControlConstructor({
			el: fieldContainer,
			syncContainer: syncContainer,
			model: new ModelConstructor( modelAttributes )
		});

		component.modelCollection.add( [ widgetControl.model ] );
		component.widgetControls[ widgetControl.model.get( 'widget_id' ) ] = widgetControl;

		widgetControl.render();
	};

	/**
	 * Sync widget instance data sanitized from server back onto widget model.
	 *
	 * This gets called via the 'widget-updated' event when saving a widget from
	 * the widgets admin screen and also via the 'widget-synced' event when making
	 * a change to a widget in the customizer.
	 *
	 * @memberOf wp.mediaWidgets
	 *
	 * @param {jQuery.Event} event - Event.
	 * @param {jQuery}       widgetContainer - Widget container element.
	 *
	 * @return {void}
	 */
	component.handleWidgetUpdated = function handleWidgetUpdated( event, widgetContainer ) {
		var widgetForm, widgetContent, widgetId, widgetControl, attributes = {};
		widgetForm = widgetContainer.find( '> .widget-inside > .form, > .widget-inside > form' );
		widgetId = widgetForm.find( '> .widget-id' ).val();

		widgetControl = component.widgetControls[ widgetId ];
		if ( ! widgetControl ) {
			return;
		}

		// Make sure the server-sanitized values get synced back into the model.
		widgetContent = widgetForm.find( '> .widget-content' );
		widgetContent.find( '.media-widget-instance-property' ).each( function() {
			var property = $( this ).data( 'property' );
			attributes[ property ] = $( this ).val();
		});

		// Suspend syncing model back to inputs when syncing from inputs to model, preventing infinite loop.
		widgetControl.stopListening( widgetControl.model, 'change', widgetControl.syncModelToInputs );
		widgetControl.model.set( attributes );
		widgetControl.listenTo( widgetControl.model, 'change', widgetControl.syncModelToInputs );
	};

	/**
	 * Initialize functionality.
	 *
	 * This function exists to prevent the JS file from having to boot itself.
	 * When WordPress enqueues this script, it should have an inline script
	 * attached which calls wp.mediaWidgets.init().
	 *
	 * @memberOf wp.mediaWidgets
	 *
	 * @return {void}
	 */
	component.init = function init() {
		var $document = $( document );
		$document.on( 'widget-added', component.handleWidgetAdded );
		$document.on( 'widget-synced widget-updated', component.handleWidgetUpdated );

		/*
		 * Manually trigger widget-added events for media widgets on the admin
		 * screen once they are expanded. The widget-added event is not triggered
		 * for each pre-existing widget on the widgets admin screen like it is
		 * on the customizer. Likewise, the customizer only triggers widget-added
		 * when the widget is expanded to just-in-time construct the widget form
		 * when it is actually going to be displayed. So the following implements
		 * the same for the widgets admin screen, to invoke the widget-added
		 * handler when a pre-existing media widget is expanded.
		 */
		$( function initializeExistingWidgetContainers() {
			var widgetContainers;
			if ( 'widgets' !== window.pagenow ) {
				return;
			}
			widgetContainers = $( '.widgets-holder-wrap:not(#available-widgets)' ).find( 'div.widget' );
			widgetContainers.one( 'click.toggle-widget-expanded', function toggleWidgetExpanded() {
				var widgetContainer = $( this );
				component.handleWidgetAdded( new jQuery.Event( 'widget-added' ), widgetContainer );
			});

			// Accessibility mode.
			if ( document.readyState === 'complete' ) {
				// Page is fully loaded.
				component.setupAccessibleMode();
			} else {
				// Page is still loading.
				$( window ).on( 'load', function() {
					component.setupAccessibleMode();
				});
			}
		});
	};

	return component;
})( jQuery );
PK       ! �i���  �  "  widgets/custom-html-widgets.min.jsnu �[���        /*! This file is auto-generated */
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b=this;b.picker.find(".iris-palette-container").on("click.palette",".iris-palette",function(){b._color.fromCSS(a(this).data("color")),b.active="external",b._change()}).on("keydown.palette",".iris-palette",function(b){if(13!==b.keyCode&&32!==b.keyCode)return!0;b.stopPropagation(),a(this).trigger("click")})},_squareDrag:function(a,b){var c=this,d=c.options.controls,e=c._squareDimensions(),f=Math.round((e.h-b.position.top)/e.h*c._scale[d.vert]),g=c._scale[d.horiz]-Math.round((e.w-b.position.left)/e.w*c._scale[d.horiz]);c._color[d.horiz](g)[d.vert](f),c.active="square",c._change.apply(c,arguments)},_setOption:function(b,c){var d,e,f=this,g=f.options[b],h=!1;switch(f.options[b]=c,b){case"color":f.onlySlider?(c=parseInt(c,10),c=isNaN(c)||c<0||c>359?g:"hsl("+c+",100,50)",f.options.color=f.options[b]=c,f._color=new Color(c).setHSpace(f.options.mode),f.active="external",f._change()):(c=""+c,c.replace(/^#/,""),d=new 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.postbox").css("backgroundColor"),e.animate({backgroundColor:"#CCEEBB"},300).animate({backgroundColor:n},300,function(){a&&a.length&&a.animate({backgroundColor:"#CCEEBB"},300).animate({backgroundColor:n},300).removeClass("unapproved").addClass("approved").find("div.comment_status").html("1")}))))},error:function(t){var e=t.statusText,n=w("#replysubmit .notice-error"),a=n.find(".error");w("#replysubmit .spinner").removeClass("is-active"),(e=t.responseText?t.responseText.replace(/<.[^<>]*?>/g,""):e)&&(n.removeClass("hidden"),a.html(e),wp.a11y.speak(e))},addcomment:function(t){var e=this;w("#add-new-comment").fadeOut(200,function(){e.open(0,t,"add"),w("table.comments-box").css("display",""),w("#no-comments").remove()})},discardCommentChanges:function(){var t=w("#replyrow");return""===w("#replycontent",t).val()||this.originalContent===w("#replycontent",t).val()||window.confirm(c("Are you sure you want to do this?\nThe comment changes you made will be lost."))}},w(function(){var t,e,n,a;setCommentsList(),commentReply.init(),w(document).on("click","span.delete a.delete",function(t){t.preventDefault()}),void 0!==w.table_hotkeys&&(t=function(n){return function(){var t="next"==n?"first":"last",e=w(".tablenav-pages ."+n+"-page:not(.disabled)");e.length&&(window.location=e[0].href.replace(/\&hotkeys_highlight_(first|last)=1/g,"")+"&hotkeys_highlight_"+t+"=1")}},e=function(t,e){window.location=w("span.edit a",e).attr("href")},n=function(){w("#cb-select-all-1").data("wp-toggle",1).trigger("click").removeData("wp-toggle")},a=function(e){return function(){var t=w('select[name="action"]');w('option[value="'+e+'"]',t).prop("selected",!0),w("#doaction").trigger("click")}},w.table_hotkeys(w("table.widefat"),["a","u","s","d","r","q","z",["e",e],["shift+x",n],["shift+a",a("approve")],["shift+s",a("spam")],["shift+d",a("delete")],["shift+t",a("trash")],["shift+z",a("untrash")],["shift+u",a("unapprove")]],{highlight_first:adminCommentsSettings.hotkeys_highlight_first,highlight_last:adminCommentsSettings.hotkeys_highlight_last,prev_page_link_cb:t("prev"),next_page_link_cb:t("next"),hotkeys_opts:{disableInInput:!0,type:"keypress",noDisable:'.check-column input[type="checkbox"]'},cycle_expr:"#the-comment-list tr",start_row_index:0})),w("#the-comment-list").on("click",".comment-inline",function(){var t=w(this),e="replyto";void 0!==t.data("action")&&(e=t.data("action")),w(this).attr("aria-expanded","true"),commentReply.open(t.data("commentId"),t.data("postId"),e)})})}(jQuery);PK       ! �{�X�  �    auth-app.jsnu �[���        /**
 * @output wp-admin/js/auth-app.js
 */

/* global authApp */

( function( $, authApp ) {
	var $appNameField = $( '#app_name' ),
		$approveBtn = $( '#approve' ),
		$rejectBtn = $( '#reject' ),
		$form = $appNameField.closest( 'form' ),
		context = {
			userLogin: authApp.user_login,
			successUrl: authApp.success,
			rejectUrl: authApp.reject
		};

	$approveBtn.on( 'click', function( e ) {
		var name = $appNameField.val(),
			appId = $( 'input[name="app_id"]', $form ).val();

		e.preventDefault();

		if ( $approveBtn.prop( 'aria-disabled' ) ) {
			return;
		}

		if ( 0 === name.length ) {
			$appNameField.trigger( 'focus' );
			return;
		}

		$approveBtn.prop( 'aria-disabled', true ).addClass( 'disabled' );

		var request = {
			name: name
		};

		if ( appId.length > 0 ) {
			request.app_id = appId;
		}

		/**
		 * Filters the request data used to Authorize an Application Password request.
		 *
		 * @since 5.6.0
		 *
		 * @param {Object} request            The request data.
		 * @param {Object} context            Context about the Application Password request.
		 * @param {string} context.userLogin  The user's login username.
		 * @param {string} context.successUrl The URL the user will be redirected to after approving the request.
		 * @param {string} context.rejectUrl  The URL the user will be redirected to after rejecting the request.
		 */
		request = wp.hooks.applyFilters( 'wp_application_passwords_approve_app_request', request, context );

		wp.apiRequest( {
			path: '/wp/v2/users/me/application-passwords?_locale=user',
			method: 'POST',
			data: request
		} ).done( function( response, textStatus, jqXHR ) {

			/**
			 * Fires when an Authorize Application Password request has been successfully approved.
			 *
			 * In most cases, this should be used in combination with the {@see 'wp_authorize_application_password_form_approved_no_js'}
			 * action to ensure that both the JS and no-JS variants are handled.
			 *
			 * @since 5.6.0
			 *
			 * @param {Object} response          The response from the REST API.
			 * @param {string} response.password The newly created password.
			 * @param {string} textStatus        The status of the request.
			 * @param {jqXHR}  jqXHR             The underlying jqXHR object that made the request.
			 */
			wp.hooks.doAction( 'wp_application_passwords_approve_app_request_success', response, textStatus, jqXHR );

			var raw = authApp.success,
				url, message, $notice;

			if ( raw ) {
				url = raw + ( -1 === raw.indexOf( '?' ) ? '?' : '&' ) +
					'site_url=' + encodeURIComponent( authApp.site_url ) +
					'&user_login=' + encodeURIComponent( authApp.user_login ) +
					'&password=' + encodeURIComponent( response.password );

				window.location = url;
			} else {
				message = wp.i18n.sprintf(
					/* translators: %s: Application name. */
					'<label for="new-application-password-value">' + wp.i18n.__( 'Your new password for %s is:' ) + '</label>',
					'<strong></strong>'
				) + ' <input id="new-application-password-value" type="text" class="code" readonly="readonly" value="" />';
				$notice = $( '<div></div>' )
					.attr( 'role', 'alert' )
					.attr( 'tabindex', -1 )
					.addClass( 'notice notice-success notice-alt' )
					.append( $( '<p></p>' ).addClass( 'application-password-display' ).html( message ) )
					.append( '<p>' + wp.i18n.__( 'Be sure to save this in a safe location. You will not be able to retrieve it.' ) + '</p>' );

				// We're using .text() to write the variables to avoid any chance of XSS.
				$( 'strong', $notice ).text( response.name );
				$( 'input', $notice ).val( response.password );

				$form.replaceWith( $notice );
				$notice.trigger( 'focus' );
			}
		} ).fail( function( jqXHR, textStatus, errorThrown ) {
			var errorMessage = errorThrown,
				error = null;

			if ( jqXHR.responseJSON ) {
				error = jqXHR.responseJSON;

				if ( error.message ) {
					errorMessage = error.message;
				}
			}

			var $notice = $( '<div></div>' )
				.attr( 'role', 'alert' )
				.addClass( 'notice notice-error' )
				.append( $( '<p></p>' ).text( errorMessage ) );

			$( 'h1' ).after( $notice );

			$approveBtn.removeProp( 'aria-disabled', false ).removeClass( 'disabled' );

			/**
			 * Fires when an Authorize Application Password request encountered an error when trying to approve the request.
			 *
			 * @since 5.6.0
			 * @since 5.6.1 Corrected action name and signature.
			 *
			 * @param {Object|null} error       The error from the REST API. May be null if the server did not send proper JSON.
			 * @param {string}      textStatus  The status of the request.
			 * @param {string}      errorThrown The error message associated with the response status code.
			 * @param {jqXHR}       jqXHR       The underlying jqXHR object that made the request.
			 */
			wp.hooks.doAction( 'wp_application_passwords_approve_app_request_error', error, textStatus, errorThrown, jqXHR );
		} );
	} );

	$rejectBtn.on( 'click', function( e ) {
		e.preventDefault();

		/**
		 * Fires when an Authorize Application Password request has been rejected by the user.
		 *
		 * @since 5.6.0
		 *
		 * @param {Object} context            Context about the Application Password request.
		 * @param {string} context.userLogin  The user's login username.
		 * @param {string} context.successUrl The URL the user will be redirected to after approving the request.
		 * @param {string} context.rejectUrl  The URL the user will be redirected to after rejecting the request.
		 */
		wp.hooks.doAction( 'wp_application_passwords_reject_app', context );

		// @todo: Make a better way to do this so it feels like less of a semi-open redirect.
		window.location = authApp.reject;
	} );

	$form.on( 'submit', function( e ) {
		e.preventDefault();
	} );
}( jQuery, authApp ) );
PK       ! n�C?��  ��    theme.jsnu �[���        /**
 * @output wp-admin/js/theme.js
 */

/* global _wpThemeSettings, confirm, tb_position */
window.wp = window.wp || {};

( function($) {

// Set up our namespace...
var themes, l10n;
themes = wp.themes = wp.themes || {};

// Store the theme data and settings for organized and quick access.
// themes.data.settings, themes.data.themes, themes.data.l10n.
themes.data = _wpThemeSettings;
l10n = themes.data.l10n;

// Shortcut for isInstall check.
themes.isInstall = !! themes.data.settings.isInstall;

// Setup app structure.
_.extend( themes, { model: {}, view: {}, routes: {}, router: {}, template: wp.template });

themes.Model = Backbone.Model.extend({
	// Adds attributes to the default data coming through the .org themes api.
	// Map `id` to `slug` for shared code.
	initialize: function() {
		var description;

		if ( this.get( 'slug' ) ) {
			// If the theme is already installed, set an attribute.
			if ( _.indexOf( themes.data.installedThemes, this.get( 'slug' ) ) !== -1 ) {
				this.set({ installed: true });
			}

			// If the theme is active, set an attribute.
			if ( themes.data.activeTheme === this.get( 'slug' ) ) {
				this.set({ active: true });
			}
		}

		// Set the attributes.
		this.set({
			// `slug` is for installation, `id` is for existing.
			id: this.get( 'slug' ) || this.get( 'id' )
		});

		// Map `section.description` to `description`
		// as the API sometimes returns it differently.
		if ( this.has( 'sections' ) ) {
			description = this.get( 'sections' ).description;
			this.set({ description: description });
		}
	}
});

// Main view controller for themes.php.
// Unifies and renders all available views.
themes.view.Appearance = wp.Backbone.View.extend({

	el: '#wpbody-content .wrap .theme-browser',

	window: $( window ),
	// Pagination instance.
	page: 0,

	// Sets up a throttler for binding to 'scroll'.
	initialize: function( options ) {
		// Scroller checks how far the scroll position is.
		_.bindAll( this, 'scroller' );

		this.SearchView = options.SearchView ? options.SearchView : themes.view.Search;
		// Bind to the scroll event and throttle
		// the results from this.scroller.
		this.window.on( 'scroll', _.throttle( this.scroller, 300 ) );
	},

	// Main render control.
	render: function() {
		// Setup the main theme view
		// with the current theme collection.
		this.view = new themes.view.Themes({
			collection: this.collection,
			parent: this
		});

		// Render search form.
		this.search();

		this.$el.removeClass( 'search-loading' );

		// Render and append.
		this.view.render();
		this.$el.empty().append( this.view.el ).addClass( 'rendered' );
	},

	// Defines search element container.
	searchContainer: $( '.search-form' ),

	// Search input and view
	// for current theme collection.
	search: function() {
		var view,
			self = this;

		// Don't render the search if there is only one theme.
		if ( themes.data.themes.length === 1 ) {
			return;
		}

		view = new this.SearchView({
			collection: self.collection,
			parent: this
		});
		self.SearchView = view;

		// Render and append after screen title.
		view.render();
		this.searchContainer
			.find( '.search-box' )
			.append( $.parseHTML( '<label for="wp-filter-search-input">' + l10n.search + '</label>' ) )
			.append( view.el );

		this.searchContainer.on( 'submit', function( event ) {
			event.preventDefault();
		});
	},

	// Checks when the user gets close to the bottom
	// of the mage and triggers a theme:scroll event.
	scroller: function() {
		var self = this,
			bottom, threshold;

		bottom = this.window.scrollTop() + self.window.height();
		threshold = self.$el.offset().top + self.$el.outerHeight( false ) - self.window.height();
		threshold = Math.round( threshold * 0.9 );

		if ( bottom > threshold ) {
			this.trigger( 'theme:scroll' );
		}
	}
});

// Set up the Collection for our theme data.
// @has 'id' 'name' 'screenshot' 'author' 'authorURI' 'version' 'active' ...
themes.Collection = Backbone.Collection.extend({

	model: themes.Model,

	// Search terms.
	terms: '',

	// Controls searching on the current theme collection
	// and triggers an update event.
	doSearch: function( value ) {

		// Don't do anything if we've already done this search.
		// Useful because the Search handler fires multiple times per keystroke.
		if ( this.terms === value ) {
			return;
		}

		// Updates terms with the value passed.
		this.terms = value;

		// If we have terms, run a search...
		if ( this.terms.length > 0 ) {
			this.search( this.terms );
		}

		// If search is blank, show all themes.
		// Useful for resetting the views when you clean the input.
		if ( this.terms === '' ) {
			this.reset( themes.data.themes );
			$( 'body' ).removeClass( 'no-results' );
		}

		// Trigger a 'themes:update' event.
		this.trigger( 'themes:update' );
	},

	/**
	 * Performs a search within the collection.
	 *
	 * @uses RegExp
	 */
	search: function( term ) {
		var match, results, haystack, name, description, author;

		// Start with a full collection.
		this.reset( themes.data.themes, { silent: true } );

		// Trim the term.
		term = term.trim();

		// Escape the term string for RegExp meta characters.
		term = term.replace( /[-\/\\^$*+?.()|[\]{}]/g, '\\$&' );

		// Consider spaces as word delimiters and match the whole string
		// so matching terms can be combined.
		term = term.replace( / /g, ')(?=.*' );
		match = new RegExp( '^(?=.*' + term + ').+', 'i' );

		// Find results.
		// _.filter() and .test().
		results = this.filter( function( data ) {
			name        = data.get( 'name' ).replace( /(<([^>]+)>)/ig, '' );
			description = data.get( 'description' ).replace( /(<([^>]+)>)/ig, '' );
			author      = data.get( 'author' ).replace( /(<([^>]+)>)/ig, '' );

			haystack = _.union( [ name, data.get( 'id' ), description, author, data.get( 'tags' ) ] );

			if ( match.test( data.get( 'author' ) ) && term.length > 2 ) {
				data.set( 'displayAuthor', true );
			}

			return match.test( haystack );
		});

		if ( results.length === 0 ) {
			this.trigger( 'query:empty' );
		} else {
			$( 'body' ).removeClass( 'no-results' );
		}

		this.reset( results );
	},

	// Paginates the collection with a helper method
	// that slices the collection.
	paginate: function( instance ) {
		var collection = this;
		instance = instance || 0;

		// Themes per instance are set at 20.
		collection = _( collection.rest( 20 * instance ) );
		collection = _( collection.first( 20 ) );

		return collection;
	},

	count: false,

	/*
	 * Handles requests for more themes and caches results.
	 *
	 *
	 * When we are missing a cache object we fire an apiCall()
	 * which triggers events of `query:success` or `query:fail`.
	 */
	query: function( request ) {
		/**
		 * @static
		 * @type Array
		 */
		var queries = this.queries,
			self = this,
			query, isPaginated, count;

		// Store current query request args
		// for later use with the event `theme:end`.
		this.currentQuery.request = request;

		// Search the query cache for matches.
		query = _.find( queries, function( query ) {
			return _.isEqual( query.request, request );
		});

		// If the request matches the stored currentQuery.request
		// it means we have a paginated request.
		isPaginated = _.has( request, 'page' );

		// Reset the internal api page counter for non-paginated queries.
		if ( ! isPaginated ) {
			this.currentQuery.page = 1;
		}

		// Otherwise, send a new API call and add it to the cache.
		if ( ! query && ! isPaginated ) {
			query = this.apiCall( request ).done( function( data ) {

				// Update the collection with the queried data.
				if ( data.themes ) {
					self.reset( data.themes );
					count = data.info.results;
					// Store the results and the query request.
					queries.push( { themes: data.themes, request: request, total: count } );
				}

				// Trigger a collection refresh event
				// and a `query:success` event with a `count` argument.
				self.trigger( 'themes:update' );
				self.trigger( 'query:success', count );

				if ( data.themes && data.themes.length === 0 ) {
					self.trigger( 'query:empty' );
				}

			}).fail( function() {
				self.trigger( 'query:fail' );
			});
		} else {
			// If it's a paginated request we need to fetch more themes...
			if ( isPaginated ) {
				return this.apiCall( request, isPaginated ).done( function( data ) {
					// Add the new themes to the current collection.
					// @todo Update counter.
					self.add( data.themes );
					self.trigger( 'query:success' );

					// We are done loading themes for now.
					self.loadingThemes = false;

				}).fail( function() {
					self.trigger( 'query:fail' );
				});
			}

			if ( query.themes.length === 0 ) {
				self.trigger( 'query:empty' );
			} else {
				$( 'body' ).removeClass( 'no-results' );
			}

			// Only trigger an update event since we already have the themes
			// on our cached object.
			if ( _.isNumber( query.total ) ) {
				this.count = query.total;
			}

			this.reset( query.themes );
			if ( ! query.total ) {
				this.count = this.length;
			}

			this.trigger( 'themes:update' );
			this.trigger( 'query:success', this.count );
		}
	},

	// Local cache array for API queries.
	queries: [],

	// Keep track of current query so we can handle pagination.
	currentQuery: {
		page: 1,
		request: {}
	},

	// Send request to api.wordpress.org/themes.
	apiCall: function( request, paginated ) {
		return wp.ajax.send( 'query-themes', {
			data: {
				// Request data.
				request: _.extend({
					per_page: 100
				}, request)
			},

			beforeSend: function() {
				if ( ! paginated ) {
					// Spin it.
					$( 'body' ).addClass( 'loading-content' ).removeClass( 'no-results' );
				}
			}
		});
	},

	// Static status controller for when we are loading themes.
	loadingThemes: false
});

// This is the view that controls each theme item
// that will be displayed on the screen.
themes.view.Theme = wp.Backbone.View.extend({

	// Wrap theme data on a div.theme element.
	className: 'theme',

	// Reflects which theme view we have.
	// 'grid' (default) or 'detail'.
	state: 'grid',

	// The HTML template for each element to be rendered.
	html: themes.template( 'theme' ),

	events: {
		'click': themes.isInstall ? 'preview': 'expand',
		'keydown': themes.isInstall ? 'preview': 'expand',
		'touchend': themes.isInstall ? 'preview': 'expand',
		'keyup': 'addFocus',
		'touchmove': 'preventExpand',
		'click .theme-install': 'installTheme',
		'click .update-message': 'updateTheme'
	},

	touchDrag: false,

	initialize: function() {
		this.model.on( 'change', this.render, this );
	},

	render: function() {
		var data = this.model.toJSON();

		// Render themes using the html template.
		this.$el.html( this.html( data ) ).attr( 'data-slug', data.id );

		// Renders active theme styles.
		this.activeTheme();

		if ( this.model.get( 'displayAuthor' ) ) {
			this.$el.addClass( 'display-author' );
		}
	},

	// Adds a class to the currently active theme
	// and to the overlay in detailed view mode.
	activeTheme: function() {
		if ( this.model.get( 'active' ) ) {
			this.$el.addClass( 'active' );
		}
	},

	// Add class of focus to the theme we are focused on.
	addFocus: function() {
		var $themeToFocus = ( $( ':focus' ).hasClass( 'theme' ) ) ? $( ':focus' ) : $(':focus').parents('.theme');

		$('.theme.focus').removeClass('focus');
		$themeToFocus.addClass('focus');
	},

	// Single theme overlay screen.
	// It's shown when clicking a theme.
	expand: function( event ) {
		var self = this;

		event = event || window.event;

		// 'Enter' and 'Space' keys expand the details view when a theme is :focused.
		if ( event.type === 'keydown' && ( event.which !== 13 && event.which !== 32 ) ) {
			return;
		}

		// Bail if the user scrolled on a touch device.
		if ( this.touchDrag === true ) {
			return this.touchDrag = false;
		}

		// Prevent the modal from showing when the user clicks
		// one of the direct action buttons.
		if ( $( event.target ).is( '.theme-actions a' ) ) {
			return;
		}

		// Prevent the modal from showing when the user clicks one of the direct action buttons.
		if ( $( event.target ).is( '.theme-actions a, .update-message, .button-link, .notice-dismiss' ) ) {
			return;
		}

		// Set focused theme to current element.
		themes.focusedTheme = this.$el;

		this.trigger( 'theme:expand', self.model.cid );
	},

	preventExpand: function() {
		this.touchDrag = true;
	},

	preview: function( event ) {
		var self = this,
			current, preview;

		event = event || window.event;

		// Bail if the user scrolled on a touch device.
		if ( this.touchDrag === true ) {
			return this.touchDrag = false;
		}

		// Allow direct link path to installing a theme.
		if ( $( event.target ).not( '.install-theme-preview' ).parents( '.theme-actions' ).length ) {
			return;
		}

		// 'Enter' and 'Space' keys expand the details view when a theme is :focused.
		if ( event.type === 'keydown' && ( event.which !== 13 && event.which !== 32 ) ) {
			return;
		}

		// Pressing Enter while focused on the buttons shouldn't open the preview.
		if ( event.type === 'keydown' && event.which !== 13 && $( ':focus' ).hasClass( 'button' ) ) {
			return;
		}

		event.preventDefault();

		event = event || window.event;

		// Set focus to current theme.
		themes.focusedTheme = this.$el;

		// Construct a new Preview view.
		themes.preview = preview = new themes.view.Preview({
			model: this.model
		});

		// Render the view and append it.
		preview.render();
		this.setNavButtonsState();

		// Hide previous/next navigation if there is only one theme.
		if ( this.model.collection.length === 1 ) {
			preview.$el.addClass( 'no-navigation' );
		} else {
			preview.$el.removeClass( 'no-navigation' );
		}

		// Append preview.
		$( 'div.wrap' ).append( preview.el );

		// Listen to our preview object
		// for `theme:next` and `theme:previous` events.
		this.listenTo( preview, 'theme:next', function() {

			// Keep local track of current theme model.
			current = self.model;

			// If we have ventured away from current model update the current model position.
			if ( ! _.isUndefined( self.current ) ) {
				current = self.current;
			}

			// Get next theme model.
			self.current = self.model.collection.at( self.model.collection.indexOf( current ) + 1 );

			// If we have no more themes, bail.
			if ( _.isUndefined( self.current ) ) {
				self.options.parent.parent.trigger( 'theme:end' );
				return self.current = current;
			}

			preview.model = self.current;

			// Render and append.
			preview.render();
			this.setNavButtonsState();
			$( '.next-theme' ).trigger( 'focus' );
		})
		.listenTo( preview, 'theme:previous', function() {

			// Keep track of current theme model.
			current = self.model;

			// Bail early if we are at the beginning of the collection.
			if ( self.model.collection.indexOf( self.current ) === 0 ) {
				return;
			}

			// If we have ventured away from current model update the current model position.
			if ( ! _.isUndefined( self.current ) ) {
				current = self.current;
			}

			// Get previous theme model.
			self.current = self.model.collection.at( self.model.collection.indexOf( current ) - 1 );

			// If we have no more themes, bail.
			if ( _.isUndefined( self.current ) ) {
				return;
			}

			preview.model = self.current;

			// Render and append.
			preview.render();
			this.setNavButtonsState();
			$( '.previous-theme' ).trigger( 'focus' );
		});

		this.listenTo( preview, 'preview:close', function() {
			self.current = self.model;
		});

	},

	// Handles .disabled classes for previous/next buttons in theme installer preview.
	setNavButtonsState: function() {
		var $themeInstaller = $( '.theme-install-overlay' ),
			current = _.isUndefined( this.current ) ? this.model : this.current,
			previousThemeButton = $themeInstaller.find( '.previous-theme' ),
			nextThemeButton = $themeInstaller.find( '.next-theme' );

		// Disable previous at the zero position.
		if ( 0 === this.model.collection.indexOf( current ) ) {
			previousThemeButton
				.addClass( 'disabled' )
				.prop( 'disabled', true );

			nextThemeButton.trigger( 'focus' );
		}

		// Disable next if the next model is undefined.
		if ( _.isUndefined( this.model.collection.at( this.model.collection.indexOf( current ) + 1 ) ) ) {
			nextThemeButton
				.addClass( 'disabled' )
				.prop( 'disabled', true );

			previousThemeButton.trigger( 'focus' );
		}
	},

	installTheme: function( event ) {
		var _this = this;

		event.preventDefault();

		wp.updates.maybeRequestFilesystemCredentials( event );

		$( document ).on( 'wp-theme-install-success', function( event, response ) {
			if ( _this.model.get( 'id' ) === response.slug ) {
				_this.model.set( { 'installed': true } );
			}
			if ( response.blockTheme ) {
				_this.model.set( { 'block_theme': true } );
			}
		} );

		wp.updates.installTheme( {
			slug: $( event.target ).data( 'slug' )
		} );
	},

	updateTheme: function( event ) {
		var _this = this;

		if ( ! this.model.get( 'hasPackage' ) ) {
			return;
		}

		event.preventDefault();

		wp.updates.maybeRequestFilesystemCredentials( event );

		$( document ).on( 'wp-theme-update-success', function( event, response ) {
			_this.model.off( 'change', _this.render, _this );
			if ( _this.model.get( 'id' ) === response.slug ) {
				_this.model.set( {
					hasUpdate: false,
					version: response.newVersion
				} );
			}
			_this.model.on( 'change', _this.render, _this );
		} );

		wp.updates.updateTheme( {
			slug: $( event.target ).parents( 'div.theme' ).first().data( 'slug' )
		} );
	}
});

// Theme Details view.
// Sets up a modal overlay with the expanded theme data.
themes.view.Details = wp.Backbone.View.extend({

	// Wrap theme data on a div.theme element.
	className: 'theme-overlay',

	events: {
		'click': 'collapse',
		'click .delete-theme': 'deleteTheme',
		'click .left': 'previousTheme',
		'click .right': 'nextTheme',
		'click #update-theme': 'updateTheme',
		'click .toggle-auto-update': 'autoupdateState'
	},

	// The HTML template for the theme overlay.
	html: themes.template( 'theme-single' ),

	render: function() {
		var data = this.model.toJSON();
		this.$el.html( this.html( data ) );
		// Renders active theme styles.
		this.activeTheme();
		// Set up navigation events.
		this.navigation();
		// Checks screenshot size.
		this.screenshotCheck( this.$el );
		// Contain "tabbing" inside the overlay.
		this.containFocus( this.$el );
	},

	// Adds a class to the currently active theme
	// and to the overlay in detailed view mode.
	activeTheme: function() {
		// Check the model has the active property.
		this.$el.toggleClass( 'active', this.model.get( 'active' ) );
	},

	// Set initial focus and constrain tabbing within the theme browser modal.
	containFocus: function( $el ) {

		// Set initial focus on the primary action control.
		_.delay( function() {
			$( '.theme-overlay' ).trigger( 'focus' );
		}, 100 );

		// Constrain tabbing within the modal.
		$el.on( 'keydown.wp-themes', function( event ) {
			var $firstFocusable = $el.find( '.theme-header button:not(.disabled)' ).first(),
				$lastFocusable = $el.find( '.theme-actions a:visible' ).last();

			// Check for the Tab key.
			if ( 9 === event.which ) {
				if ( $firstFocusable[0] === event.target && event.shiftKey ) {
					$lastFocusable.trigger( 'focus' );
					event.preventDefault();
				} else if ( $lastFocusable[0] === event.target && ! event.shiftKey ) {
					$firstFocusable.trigger( 'focus' );
					event.preventDefault();
				}
			}
		});
	},

	// Single theme overlay screen.
	// It's shown when clicking a theme.
	collapse: function( event ) {
		var self = this,
			scroll;

		event = event || window.event;

		// Prevent collapsing detailed view when there is only one theme available.
		if ( themes.data.themes.length === 1 ) {
			return;
		}

		// Detect if the click is inside the overlay and don't close it
		// unless the target was the div.back button.
		if ( $( event.target ).is( '.theme-backdrop' ) || $( event.target ).is( '.close' ) || event.keyCode === 27 ) {

			// Add a temporary closing class while overlay fades out.
			$( 'body' ).addClass( 'closing-overlay' );

			// With a quick fade out animation.
			this.$el.fadeOut( 130, function() {
				// Clicking outside the modal box closes the overlay.
				$( 'body' ).removeClass( 'closing-overlay' );
				// Handle event cleanup.
				self.closeOverlay();

				// Get scroll position to avoid jumping to the top.
				scroll = document.body.scrollTop;

				// Clean the URL structure.
				themes.router.navigate( themes.router.baseUrl( '' ) );

				// Restore scroll position.
				document.body.scrollTop = scroll;

				// Return focus to the theme div.
				if ( themes.focusedTheme ) {
					themes.focusedTheme.find('.more-details').trigger( 'focus' );
				}
			});
		}
	},

	// Handles .disabled classes for next/previous buttons.
	navigation: function() {

		// Disable Left/Right when at the start or end of the collection.
		if ( this.model.cid === this.model.collection.at(0).cid ) {
			this.$el.find( '.left' )
				.addClass( 'disabled' )
				.prop( 'disabled', true );
		}
		if ( this.model.cid === this.model.collection.at( this.model.collection.length - 1 ).cid ) {
			this.$el.find( '.right' )
				.addClass( 'disabled' )
				.prop( 'disabled', true );
		}
	},

	// Performs the actions to effectively close
	// the theme details overlay.
	closeOverlay: function() {
		$( 'body' ).removeClass( 'modal-open' );
		this.remove();
		this.unbind();
		this.trigger( 'theme:collapse' );
	},

	// Set state of the auto-update settings link after it has been changed and saved.
	autoupdateState: function() {
		var callback,
			_this = this;

		// Support concurrent clicks in different Theme Details overlays.
		callback = function( event, data ) {
			var autoupdate;
			if ( _this.model.get( 'id' ) === data.asset ) {
				autoupdate = _this.model.get( 'autoupdate' );
				autoupdate.enabled = 'enable' === data.state;
				_this.model.set( { autoupdate: autoupdate } );
				$( document ).off( 'wp-auto-update-setting-changed', callback );
			}
		};

		// Triggered in updates.js
		$( document ).on( 'wp-auto-update-setting-changed', callback );
	},

	updateTheme: function( event ) {
		var _this = this;
		event.preventDefault();

		wp.updates.maybeRequestFilesystemCredentials( event );

		$( document ).on( 'wp-theme-update-success', function( event, response ) {
			if ( _this.model.get( 'id' ) === response.slug ) {
				_this.model.set( {
					hasUpdate: false,
					version: response.newVersion
				} );
			}
			_this.render();
		} );

		wp.updates.updateTheme( {
			slug: $( event.target ).data( 'slug' )
		} );
	},

	deleteTheme: function( event ) {
		var _this = this,
		    _collection = _this.model.collection,
		    _themes = themes;
		event.preventDefault();

		// Confirmation dialog for deleting a theme.
		if ( ! window.confirm( wp.themes.data.settings.confirmDelete ) ) {
			return;
		}

		wp.updates.maybeRequestFilesystemCredentials( event );

		$( document ).one( 'wp-theme-delete-success', function( event, response ) {
			_this.$el.find( '.close' ).trigger( 'click' );
			$( '[data-slug="' + response.slug + '"]' ).css( { backgroundColor:'#faafaa' } ).fadeOut( 350, function() {
				$( this ).remove();
				_themes.data.themes = _.without( _themes.data.themes, _.findWhere( _themes.data.themes, { id: response.slug } ) );

				$( '.wp-filter-search' ).val( '' );
				_collection.doSearch( '' );
				_collection.remove( _this.model );
				_collection.trigger( 'themes:update' );
			} );
		} );

		wp.updates.deleteTheme( {
			slug: this.model.get( 'id' )
		} );
	},

	nextTheme: function() {
		var self = this;
		self.trigger( 'theme:next', self.model.cid );
		return false;
	},

	previousTheme: function() {
		var self = this;
		self.trigger( 'theme:previous', self.model.cid );
		return false;
	},

	// Checks if the theme screenshot is the old 300px width version
	// and adds a corresponding class if it's true.
	screenshotCheck: function( el ) {
		var screenshot, image;

		screenshot = el.find( '.screenshot img' );
		image = new Image();
		image.src = screenshot.attr( 'src' );

		// Width check.
		if ( image.width && image.width <= 300 ) {
			el.addClass( 'small-screenshot' );
		}
	}
});

// Theme Preview view.
// Sets up a modal overlay with the expanded theme data.
themes.view.Preview = themes.view.Details.extend({

	className: 'wp-full-overlay expanded',
	el: '.theme-install-overlay',

	events: {
		'click .close-full-overlay': 'close',
		'click .collapse-sidebar': 'collapse',
		'click .devices button': 'previewDevice',
		'click .previous-theme': 'previousTheme',
		'click .next-theme': 'nextTheme',
		'keyup': 'keyEvent',
		'click .theme-install': 'installTheme'
	},

	// The HTML template for the theme preview.
	html: themes.template( 'theme-preview' ),

	render: function() {
		var self = this,
			currentPreviewDevice,
			data = this.model.toJSON(),
			$body = $( document.body );

		$body.attr( 'aria-busy', 'true' );

		this.$el.removeClass( 'iframe-ready' ).html( this.html( data ) );

		currentPreviewDevice = this.$el.data( 'current-preview-device' );
		if ( currentPreviewDevice ) {
			self.togglePreviewDeviceButtons( currentPreviewDevice );
		}

		themes.router.navigate( themes.router.baseUrl( themes.router.themePath + this.model.get( 'id' ) ), { replace: false } );

		this.$el.fadeIn( 200, function() {
			$body.addClass( 'theme-installer-active full-overlay-active' );
		});

		this.$el.find( 'iframe' ).one( 'load', function() {
			self.iframeLoaded();
		});
	},

	iframeLoaded: function() {
		this.$el.addClass( 'iframe-ready' );
		$( document.body ).attr( 'aria-busy', 'false' );
	},

	close: function() {
		this.$el.fadeOut( 200, function() {
			$( 'body' ).removeClass( 'theme-installer-active full-overlay-active' );

			// Return focus to the theme div.
			if ( themes.focusedTheme ) {
				themes.focusedTheme.find('.more-details').trigger( 'focus' );
			}
		}).removeClass( 'iframe-ready' );

		// Restore the previous browse tab if available.
		if ( themes.router.selectedTab ) {
			themes.router.navigate( themes.router.baseUrl( '?browse=' + themes.router.selectedTab ) );
			themes.router.selectedTab = false;
		} else {
			themes.router.navigate( themes.router.baseUrl( '' ) );
		}
		this.trigger( 'preview:close' );
		this.undelegateEvents();
		this.unbind();
		return false;
	},

	collapse: function( event ) {
		var $button = $( event.currentTarget );
		if ( 'true' === $button.attr( 'aria-expanded' ) ) {
			$button.attr({ 'aria-expanded': 'false', 'aria-label': l10n.expandSidebar });
		} else {
			$button.attr({ 'aria-expanded': 'true', 'aria-label': l10n.collapseSidebar });
		}

		this.$el.toggleClass( 'collapsed' ).toggleClass( 'expanded' );
		return false;
	},

	previewDevice: function( event ) {
		var device = $( event.currentTarget ).data( 'device' );

		this.$el
			.removeClass( 'preview-desktop preview-tablet preview-mobile' )
			.addClass( 'preview-' + device )
			.data( 'current-preview-device', device );

		this.togglePreviewDeviceButtons( device );
	},

	togglePreviewDeviceButtons: function( newDevice ) {
		var $devices = $( '.wp-full-overlay-footer .devices' );

		$devices.find( 'button' )
			.removeClass( 'active' )
			.attr( 'aria-pressed', false );

		$devices.find( 'button.preview-' + newDevice )
			.addClass( 'active' )
			.attr( 'aria-pressed', true );
	},

	keyEvent: function( event ) {
		// The escape key closes the preview.
		if ( event.keyCode === 27 ) {
			this.undelegateEvents();
			this.close();
		}

		// Return if Ctrl + Shift or Shift key pressed
		if ( event.shiftKey || ( event.ctrlKey && event.shiftKey ) ) {
			return;
		}

		// The right arrow key, next theme.
		if ( event.keyCode === 39 ) {
			_.once( this.nextTheme() );
		}

		// The left arrow key, previous theme.
		if ( event.keyCode === 37 ) {
			this.previousTheme();
		}
	},

	installTheme: function( event ) {
		var _this   = this,
		    $target = $( event.target );
		event.preventDefault();

		if ( $target.hasClass( 'disabled' ) ) {
			return;
		}

		wp.updates.maybeRequestFilesystemCredentials( event );

		$( document ).on( 'wp-theme-install-success', function() {
			_this.model.set( { 'installed': true } );
		} );

		wp.updates.installTheme( {
			slug: $target.data( 'slug' )
		} );
	}
});

// Controls the rendering of div.themes,
// a wrapper that will hold all the theme elements.
themes.view.Themes = wp.Backbone.View.extend({

	className: 'themes wp-clearfix',
	$overlay: $( 'div.theme-overlay' ),

	// Number to keep track of scroll position
	// while in theme-overlay mode.
	index: 0,

	// The theme count element.
	count: $( '.wrap .theme-count' ),

	// The live themes count.
	liveThemeCount: 0,

	initialize: function( options ) {
		var self = this;

		// Set up parent.
		this.parent = options.parent;

		// Set current view to [grid].
		this.setView( 'grid' );

		// Move the active theme to the beginning of the collection.
		self.currentTheme();

		// When the collection is updated by user input...
		this.listenTo( self.collection, 'themes:update', function() {
			self.parent.page = 0;
			self.currentTheme();
			self.render( this );
		} );

		// Update theme count to full result set when available.
		this.listenTo( self.collection, 'query:success', function( count ) {
			if ( _.isNumber( count ) ) {
				self.count.text( count );
				self.announceSearchResults( count );
			} else {
				self.count.text( self.collection.length );
				self.announceSearchResults( self.collection.length );
			}
		});

		this.listenTo( self.collection, 'query:empty', function() {
			$( 'body' ).addClass( 'no-results' );
		});

		this.listenTo( this.parent, 'theme:scroll', function() {
			self.renderThemes( self.parent.page );
		});

		this.listenTo( this.parent, 'theme:close', function() {
			if ( self.overlay ) {
				self.overlay.closeOverlay();
			}
		} );

		// Bind keyboard events.
		$( 'body' ).on( 'keyup', function( event ) {
			if ( ! self.overlay ) {
				return;
			}

			// Bail if the filesystem credentials dialog is shown.
			if ( $( '#request-filesystem-credentials-dialog' ).is( ':visible' ) ) {
				return;
			}

			// Return if Ctrl + Shift or Shift key pressed
			if ( event.shiftKey || ( event.ctrlKey && event.shiftKey ) ) {
				return;
			}

			// Pressing the right arrow key fires a theme:next event.
			if ( event.keyCode === 39 ) {
				self.overlay.nextTheme();
			}

			// Pressing the left arrow key fires a theme:previous event.
			if ( event.keyCode === 37 ) {
				self.overlay.previousTheme();
			}

			// Pressing the escape key fires a theme:collapse event.
			if ( event.keyCode === 27 ) {
				self.overlay.collapse( event );
			}
		});
	},

	// Manages rendering of theme pages
	// and keeping theme count in sync.
	render: function() {
		// Clear the DOM, please.
		this.$el.empty();

		// If the user doesn't have switch capabilities or there is only one theme
		// in the collection, render the detailed view of the active theme.
		if ( themes.data.themes.length === 1 ) {

			// Constructs the view.
			this.singleTheme = new themes.view.Details({
				model: this.collection.models[0]
			});

			// Render and apply a 'single-theme' class to our container.
			this.singleTheme.render();
			this.$el.addClass( 'single-theme' );
			this.$el.append( this.singleTheme.el );
		}

		// Generate the themes using page instance
		// while checking the collection has items.
		if ( this.options.collection.size() > 0 ) {
			this.renderThemes( this.parent.page );
		}

		// Display a live theme count for the collection.
		this.liveThemeCount = this.collection.count ? this.collection.count : this.collection.length;
		this.count.text( this.liveThemeCount );

		/*
		 * In the theme installer the themes count is already announced
		 * because `announceSearchResults` is called on `query:success`.
		 */
		if ( ! themes.isInstall ) {
			this.announceSearchResults( this.liveThemeCount );
		}
	},

	// Iterates through each instance of the collection
	// and renders each theme module.
	renderThemes: function( page ) {
		var self = this;

		self.instance = self.collection.paginate( page );

		// If we have no more themes, bail.
		if ( self.instance.size() === 0 ) {
			// Fire a no-more-themes event.
			this.parent.trigger( 'theme:end' );
			return;
		}

		// Make sure the add-new stays at the end.
		if ( ! themes.isInstall && page >= 1 ) {
			$( '.add-new-theme' ).remove();
		}

		// Loop through the themes and setup each theme view.
		self.instance.each( function( theme ) {
			self.theme = new themes.view.Theme({
				model: theme,
				parent: self
			});

			// Render the views...
			self.theme.render();
			// ...and append them to div.themes.
			self.$el.append( self.theme.el );

			// Binds to theme:expand to show the modal box
			// with the theme details.
			self.listenTo( self.theme, 'theme:expand', self.expand, self );
		});

		// 'Add new theme' element shown at the end of the grid.
		if ( ! themes.isInstall && themes.data.settings.canInstall ) {
			this.$el.append( '<div class="theme add-new-theme"><a href="' + themes.data.settings.installURI + '"><div class="theme-screenshot"><span aria-hidden="true"></span></div><h2 class="theme-name">' + l10n.addNew + '</h2></a></div>' );
		}

		this.parent.page++;
	},

	// Grabs current theme and puts it at the beginning of the collection.
	currentTheme: function() {
		var self = this,
			current;

		current = self.collection.findWhere({ active: true });

		// Move the active theme to the beginning of the collection.
		if ( current ) {
			self.collection.remove( current );
			self.collection.add( current, { at:0 } );
		}
	},

	// Sets current view.
	setView: function( view ) {
		return view;
	},

	// Renders the overlay with the ThemeDetails view.
	// Uses the current model data.
	expand: function( id ) {
		var self = this, $card, $modal;

		// Set the current theme model.
		this.model = self.collection.get( id );

		// Trigger a route update for the current model.
		themes.router.navigate( themes.router.baseUrl( themes.router.themePath + this.model.id ) );

		// Sets this.view to 'detail'.
		this.setView( 'detail' );
		$( 'body' ).addClass( 'modal-open' );

		// Set up the theme details view.
		this.overlay = new themes.view.Details({
			model: self.model
		});

		this.overlay.render();

		if ( this.model.get( 'hasUpdate' ) ) {
			$card  = $( '[data-slug="' + this.model.id + '"]' );
			$modal = $( this.overlay.el );

			if ( $card.find( '.updating-message' ).length ) {
				$modal.find( '.notice-warning h3' ).remove();
				$modal.find( '.notice-warning' )
					.removeClass( 'notice-large' )
					.addClass( 'updating-message' )
					.find( 'p' ).text( wp.updates.l10n.updating );
			} else if ( $card.find( '.notice-error' ).length ) {
				$modal.find( '.notice-warning' ).remove();
			}
		}

		this.$overlay.html( this.overlay.el );

		// Bind to theme:next and theme:previous triggered by the arrow keys.
		// Keep track of the current model so we can infer an index position.
		this.listenTo( this.overlay, 'theme:next', function() {
			// Renders the next theme on the overlay.
			self.next( [ self.model.cid ] );

		})
		.listenTo( this.overlay, 'theme:previous', function() {
			// Renders the previous theme on the overlay.
			self.previous( [ self.model.cid ] );
		});
	},

	/*
	 * This method renders the next theme on the overlay modal
	 * based on the current position in the collection.
	 *
	 * @params [model cid]
	 */
	next: function( args ) {
		var self = this,
			model, nextModel;

		// Get the current theme.
		model = self.collection.get( args[0] );
		// Find the next model within the collection.
		nextModel = self.collection.at( self.collection.indexOf( model ) + 1 );

		// Confidence check which also serves as a boundary test.
		if ( nextModel !== undefined ) {

			// We have a new theme...
			// Close the overlay.
			this.overlay.closeOverlay();

			// Trigger a route update for the current model.
			self.theme.trigger( 'theme:expand', nextModel.cid );

		}
	},

	/*
	 * This method renders the previous theme on the overlay modal
	 * based on the current position in the collection.
	 *
	 * @params [model cid]
	 */
	previous: function( args ) {
		var self = this,
			model, previousModel;

		// Get the current theme.
		model = self.collection.get( args[0] );
		// Find the previous model within the collection.
		previousModel = self.collection.at( self.collection.indexOf( model ) - 1 );

		if ( previousModel !== undefined ) {

			// We have a new theme...
			// Close the overlay.
			this.overlay.closeOverlay();

			// Trigger a route update for the current model.
			self.theme.trigger( 'theme:expand', previousModel.cid );

		}
	},

	// Dispatch audible search results feedback message.
	announceSearchResults: function( count ) {
		if ( 0 === count ) {
			wp.a11y.speak( l10n.noThemesFound );
		} else {
			wp.a11y.speak( l10n.themesFound.replace( '%d', count ) );
		}
	}
});

// Search input view controller.
themes.view.Search = wp.Backbone.View.extend({

	tagName: 'input',
	className: 'wp-filter-search',
	id: 'wp-filter-search-input',
	searching: false,

	attributes: {
		type: 'search',
		'aria-describedby': 'live-search-desc'
	},

	events: {
		'input': 'search',
		'keyup': 'search',
		'blur': 'pushState'
	},

	initialize: function( options ) {

		this.parent = options.parent;

		this.listenTo( this.parent, 'theme:close', function() {
			this.searching = false;
		} );

	},

	search: function( event ) {
		// Clear on escape.
		if ( event.type === 'keyup' && event.which === 27 ) {
			event.target.value = '';
		}

		// Since doSearch is debounced, it will only run when user input comes to a rest.
		this.doSearch( event );
	},

	// Runs a search on the theme collection.
	doSearch: function( event ) {
		var options = {};

		this.collection.doSearch( event.target.value.replace( /\+/g, ' ' ) );

		// if search is initiated and key is not return.
		if ( this.searching && event.which !== 13 ) {
			options.replace = true;
		} else {
			this.searching = true;
		}

		// Update the URL hash.
		if ( event.target.value ) {
			themes.router.navigate( themes.router.baseUrl( themes.router.searchPath + event.target.value ), options );
		} else {
			themes.router.navigate( themes.router.baseUrl( '' ) );
		}
	},

	pushState: function( event ) {
		var url = themes.router.baseUrl( '' );

		if ( event.target.value ) {
			url = themes.router.baseUrl( themes.router.searchPath + encodeURIComponent( event.target.value ) );
		}

		this.searching = false;
		themes.router.navigate( url );

	}
});

/**
 * Navigate router.
 *
 * @since 4.9.0
 *
 * @param {string} url - URL to navigate to.
 * @param {Object} state - State.
 * @return {void}
 */
function navigateRouter( url, state ) {
	var router = this;
	if ( Backbone.history._hasPushState ) {
		Backbone.Router.prototype.navigate.call( router, url, state );
	}
}

// Sets up the routes events for relevant url queries.
// Listens to [theme] and [search] params.
themes.Router = Backbone.Router.extend({

	routes: {
		'themes.php?theme=:slug': 'theme',
		'themes.php?search=:query': 'search',
		'themes.php?s=:query': 'search',
		'themes.php': 'themes',
		'': 'themes'
	},

	baseUrl: function( url ) {
		return 'themes.php' + url;
	},

	themePath: '?theme=',
	searchPath: '?search=',

	search: function( query ) {
		$( '.wp-filter-search' ).val( query.replace( /\+/g, ' ' ) );
	},

	themes: function() {
		$( '.wp-filter-search' ).val( '' );
	},

	navigate: navigateRouter

});

// Execute and setup the application.
themes.Run = {
	init: function() {
		// Initializes the blog's theme library view.
		// Create a new collection with data.
		this.themes = new themes.Collection( themes.data.themes );

		// Set up the view.
		this.view = new themes.view.Appearance({
			collection: this.themes
		});

		this.render();

		// Start debouncing user searches after Backbone.history.start().
		this.view.SearchView.doSearch = _.debounce( this.view.SearchView.doSearch, 500 );
	},

	render: function() {

		// Render results.
		this.view.render();
		this.routes();

		if ( Backbone.History.started ) {
			Backbone.history.stop();
		}
		Backbone.history.start({
			root: themes.data.settings.adminUrl,
			pushState: true,
			hashChange: false
		});
	},

	routes: function() {
		var self = this;
		// Bind to our global thx object
		// so that the object is available to sub-views.
		themes.router = new themes.Router();

		// Handles theme details route event.
		themes.router.on( 'route:theme', function( slug ) {
			self.view.view.expand( slug );
		});

		themes.router.on( 'route:themes', function() {
			self.themes.doSearch( '' );
			self.view.trigger( 'theme:close' );
		});

		// Handles search route event.
		themes.router.on( 'route:search', function() {
			$( '.wp-filter-search' ).trigger( 'keyup' );
		});

		this.extraRoutes();
	},

	extraRoutes: function() {
		return false;
	}
};

// Extend the main Search view.
themes.view.InstallerSearch =  themes.view.Search.extend({

	events: {
		'input': 'search',
		'keyup': 'search'
	},

	terms: '',

	// Handles Ajax request for searching through themes in public repo.
	search: function( event ) {

		// Tabbing or reverse tabbing into the search input shouldn't trigger a search.
		if ( event.type === 'keyup' && ( event.which === 9 || event.which === 16 ) ) {
			return;
		}

		this.collection = this.options.parent.view.collection;

		// Clear on escape.
		if ( event.type === 'keyup' && event.which === 27 ) {
			event.target.value = '';
		}

		this.doSearch( event.target.value );
	},

	doSearch: function( value ) {
		var request = {};

		// Don't do anything if the search terms haven't changed.
		if ( this.terms === value ) {
			return;
		}

		// Updates terms with the value passed.
		this.terms = value;

		request.search = value;

		/*
		 * Intercept an [author] search.
		 *
		 * If input value starts with `author:` send a request
		 * for `author` instead of a regular `search`.
		 */
		if ( value.substring( 0, 7 ) === 'author:' ) {
			request.search = '';
			request.author = value.slice( 7 );
		}

		/*
		 * Intercept a [tag] search.
		 *
		 * If input value starts with `tag:` send a request
		 * for `tag` instead of a regular `search`.
		 */
		if ( value.substring( 0, 4 ) === 'tag:' ) {
			request.search = '';
			request.tag = [ value.slice( 4 ) ];
		}

		$( '.filter-links li > a.current' )
			.removeClass( 'current' )
			.removeAttr( 'aria-current' );

		$( 'body' ).removeClass( 'show-filters filters-applied show-favorites-form' );
		$( '.drawer-toggle' ).attr( 'aria-expanded', 'false' );

		// Get the themes by sending Ajax POST request to api.wordpress.org/themes
		// or searching the local cache.
		this.collection.query( request );

		// Set route.
		themes.router.navigate( themes.router.baseUrl( themes.router.searchPath + encodeURIComponent( value ) ), { replace: true } );
	}
});

themes.view.Installer = themes.view.Appearance.extend({

	el: '#wpbody-content .wrap',

	// Register events for sorting and filters in theme-navigation.
	events: {
		'click .filter-links li > a': 'onSort',
		'click .theme-filter': 'onFilter',
		'click .drawer-toggle': 'moreFilters',
		'click .filter-drawer .apply-filters': 'applyFilters',
		'click .filter-group [type="checkbox"]': 'addFilter',
		'click .filter-drawer .clear-filters': 'clearFilters',
		'click .edit-filters': 'backToFilters',
		'click .favorites-form-submit' : 'saveUsername',
		'keyup #wporg-username-input': 'saveUsername'
	},

	// Initial render method.
	render: function() {
		var self = this;

		this.search();
		this.uploader();

		this.collection = new themes.Collection();

		// Bump `collection.currentQuery.page` and request more themes if we hit the end of the page.
		this.listenTo( this, 'theme:end', function() {

			// Make sure we are not already loading.
			if ( self.collection.loadingThemes ) {
				return;
			}

			// Set loadingThemes to true and bump page instance of currentQuery.
			self.collection.loadingThemes = true;
			self.collection.currentQuery.page++;

			// Use currentQuery.page to build the themes request.
			_.extend( self.collection.currentQuery.request, { page: self.collection.currentQuery.page } );
			self.collection.query( self.collection.currentQuery.request );
		});

		this.listenTo( this.collection, 'query:success', function() {
			$( 'body' ).removeClass( 'loading-content' );
			$( '.theme-browser' ).find( 'div.error' ).remove();
		});

		this.listenTo( this.collection, 'query:fail', function() {
			$( 'body' ).removeClass( 'loading-content' );
			$( '.theme-browser' ).find( 'div.error' ).remove();
			$( '.theme-browser' ).find( 'div.themes' ).before( '<div class="notice notice-error"><p>' + l10n.error + '</p><p><button class="button try-again">' + l10n.tryAgain + '</button></p></div>' );
			$( '.theme-browser .error .try-again' ).on( 'click', function( e ) {
				e.preventDefault();
				$( 'input.wp-filter-search' ).trigger( 'input' );
			} );
		});

		if ( this.view ) {
			this.view.remove();
		}

		// Sets up the view and passes the section argument.
		this.view = new themes.view.Themes({
			collection: this.collection,
			parent: this
		});

		// Reset pagination every time the install view handler is run.
		this.page = 0;

		// Render and append.
		this.$el.find( '.themes' ).remove();
		this.view.render();
		this.$el.find( '.theme-browser' ).append( this.view.el ).addClass( 'rendered' );
	},

	// Handles all the rendering of the public theme directory.
	browse: function( section ) {
		// Create a new collection with the proper theme data
		// for each section.
		if ( 'block-themes' === section ) {
			// Get the themes by sending Ajax POST request to api.wordpress.org/themes
			// or searching the local cache.
			this.collection.query( { tag: 'full-site-editing' } );
		} else {
			this.collection.query( { browse: section } );
		}
	},

	// Sorting navigation.
	onSort: function( event ) {
		var $el = $( event.target ),
			sort = $el.data( 'sort' );

		event.preventDefault();

		$( 'body' ).removeClass( 'filters-applied show-filters' );
		$( '.drawer-toggle' ).attr( 'aria-expanded', 'false' );

		// Bail if this is already active.
		if ( $el.hasClass( this.activeClass ) ) {
			return;
		}

		this.sort( sort );

		// Trigger a router.navigate update.
		themes.router.navigate( themes.router.baseUrl( themes.router.browsePath + sort ) );
	},

	sort: function( sort ) {
		this.clearSearch();

		// Track sorting so we can restore the correct tab when closing preview.
		themes.router.selectedTab = sort;

		$( '.filter-links li > a, .theme-filter' )
			.removeClass( this.activeClass )
			.removeAttr( 'aria-current' );

		$( '[data-sort="' + sort + '"]' )
			.addClass( this.activeClass )
			.attr( 'aria-current', 'page' );

		if ( 'favorites' === sort ) {
			$( 'body' ).addClass( 'show-favorites-form' );
		} else {
			$( 'body' ).removeClass( 'show-favorites-form' );
		}

		this.browse( sort );
	},

	// Filters and Tags.
	onFilter: function( event ) {
		var request,
			$el = $( event.target ),
			filter = $el.data( 'filter' );

		// Bail if this is already active.
		if ( $el.hasClass( this.activeClass ) ) {
			return;
		}

		$( '.filter-links li > a, .theme-section' )
			.removeClass( this.activeClass )
			.removeAttr( 'aria-current' );
		$el
			.addClass( this.activeClass )
			.attr( 'aria-current', 'page' );

		if ( ! filter ) {
			return;
		}

		// Construct the filter request
		// using the default values.
		filter = _.union( [ filter, this.filtersChecked() ] );
		request = { tag: [ filter ] };

		// Get the themes by sending Ajax POST request to api.wordpress.org/themes
		// or searching the local cache.
		this.collection.query( request );
	},

	// Clicking on a checkbox to add another filter to the request.
	addFilter: function() {
		this.filtersChecked();
	},

	// Applying filters triggers a tag request.
	applyFilters: function( event ) {
		var name,
			tags = this.filtersChecked(),
			request = { tag: tags },
			filteringBy = $( '.filtered-by .tags' );

		if ( event ) {
			event.preventDefault();
		}

		if ( ! tags ) {
			wp.a11y.speak( l10n.selectFeatureFilter );
			return;
		}

		$( 'body' ).addClass( 'filters-applied' );
		$( '.filter-links li > a.current' )
			.removeClass( 'current' )
			.removeAttr( 'aria-current' );

		filteringBy.empty();

		_.each( tags, function( tag ) {
			name = $( 'label[for="filter-id-' + tag + '"]' ).text();
			filteringBy.append( '<span class="tag">' + name + '</span>' );
		});

		// Get the themes by sending Ajax POST request to api.wordpress.org/themes
		// or searching the local cache.
		this.collection.query( request );
	},

	// Save the user's WordPress.org username and get his favorite themes.
	saveUsername: function ( event ) {
		var username = $( '#wporg-username-input' ).val(),
			nonce = $( '#wporg-username-nonce' ).val(),
			request = { browse: 'favorites', user: username },
			that = this;

		if ( event ) {
			event.preventDefault();
		}

		// Save username on enter.
		if ( event.type === 'keyup' && event.which !== 13 ) {
			return;
		}

		return wp.ajax.send( 'save-wporg-username', {
			data: {
				_wpnonce: nonce,
				username: username
			},
			success: function () {
				// Get the themes by sending Ajax POST request to api.wordpress.org/themes
				// or searching the local cache.
				that.collection.query( request );
			}
		} );
	},

	/**
	 * Get the checked filters.
	 *
	 * @return {Array} of tags or false
	 */
	filtersChecked: function() {
		var items = $( '.filter-group' ).find( ':checkbox' ),
			tags = [];

		_.each( items.filter( ':checked' ), function( item ) {
			tags.push( $( item ).prop( 'value' ) );
		});

		// When no filters are checked, restore initial state and return.
		if ( tags.length === 0 ) {
			$( '.filter-drawer .apply-filters' ).find( 'span' ).text( '' );
			$( '.filter-drawer .clear-filters' ).hide();
			$( 'body' ).removeClass( 'filters-applied' );
			return false;
		}

		$( '.filter-drawer .apply-filters' ).find( 'span' ).text( tags.length );
		$( '.filter-drawer .clear-filters' ).css( 'display', 'inline-block' );

		return tags;
	},

	activeClass: 'current',

	/**
	 * When users press the "Upload Theme" button, show the upload form in place.
	 */
	uploader: function() {
		var uploadViewToggle = $( '.upload-view-toggle' ),
			$body = $( document.body );

		uploadViewToggle.on( 'click', function() {
			// Toggle the upload view.
			$body.toggleClass( 'show-upload-view' );
			// Toggle the `aria-expanded` button attribute.
			uploadViewToggle.attr( 'aria-expanded', $body.hasClass( 'show-upload-view' ) );
		});
	},

	// Toggle the full filters navigation.
	moreFilters: function( event ) {
		var $body = $( 'body' ),
			$toggleButton = $( '.drawer-toggle' );

		event.preventDefault();

		if ( $body.hasClass( 'filters-applied' ) ) {
			return this.backToFilters();
		}

		this.clearSearch();

		themes.router.navigate( themes.router.baseUrl( '' ) );
		// Toggle the feature filters view.
		$body.toggleClass( 'show-filters' );
		// Toggle the `aria-expanded` button attribute.
		$toggleButton.attr( 'aria-expanded', $body.hasClass( 'show-filters' ) );
	},

	/**
	 * Clears all the checked filters.
	 *
	 * @uses filtersChecked()
	 */
	clearFilters: function( event ) {
		var items = $( '.filter-group' ).find( ':checkbox' ),
			self = this;

		event.preventDefault();

		_.each( items.filter( ':checked' ), function( item ) {
			$( item ).prop( 'checked', false );
			return self.filtersChecked();
		});
	},

	backToFilters: function( event ) {
		if ( event ) {
			event.preventDefault();
		}

		$( 'body' ).removeClass( 'filters-applied' );
	},

	clearSearch: function() {
		$( '#wp-filter-search-input').val( '' );
	}
});

themes.InstallerRouter = Backbone.Router.extend({
	routes: {
		'theme-install.php?theme=:slug': 'preview',
		'theme-install.php?browse=:sort': 'sort',
		'theme-install.php?search=:query': 'search',
		'theme-install.php': 'sort'
	},

	baseUrl: function( url ) {
		return 'theme-install.php' + url;
	},

	themePath: '?theme=',
	browsePath: '?browse=',
	searchPath: '?search=',

	search: function( query ) {
		$( '.wp-filter-search' ).val( query.replace( /\+/g, ' ' ) );
	},

	navigate: navigateRouter
});


themes.RunInstaller = {

	init: function() {
		// Set up the view.
		// Passes the default 'section' as an option.
		this.view = new themes.view.Installer({
			section: 'popular',
			SearchView: themes.view.InstallerSearch
		});

		// Render results.
		this.render();

		// Start debouncing user searches after Backbone.history.start().
		this.view.SearchView.doSearch = _.debounce( this.view.SearchView.doSearch, 500 );
	},

	render: function() {

		// Render results.
		this.view.render();
		this.routes();

		if ( Backbone.History.started ) {
			Backbone.history.stop();
		}
		Backbone.history.start({
			root: themes.data.settings.adminUrl,
			pushState: true,
			hashChange: false
		});
	},

	routes: function() {
		var self = this,
			request = {};

		// Bind to our global `wp.themes` object
		// so that the router is available to sub-views.
		themes.router = new themes.InstallerRouter();

		// Handles `theme` route event.
		// Queries the API for the passed theme slug.
		themes.router.on( 'route:preview', function( slug ) {

			// Remove existing handlers.
			if ( themes.preview ) {
				themes.preview.undelegateEvents();
				themes.preview.unbind();
			}

			// If the theme preview is active, set the current theme.
			if ( self.view.view.theme && self.view.view.theme.preview ) {
				self.view.view.theme.model = self.view.collection.findWhere( { 'slug': slug } );
				self.view.view.theme.preview();
			} else {

				// Select the theme by slug.
				request.theme = slug;
				self.view.collection.query( request );
				self.view.collection.trigger( 'update' );

				// Open the theme preview.
				self.view.collection.once( 'query:success', function() {
					$( 'div[data-slug="' + slug + '"]' ).trigger( 'click' );
				});

			}
		});

		/*
		 * Handles sorting / browsing routes.
		 * Also handles the root URL triggering a sort request
		 * for `popular`, the default view.
		 */
		themes.router.on( 'route:sort', function( sort ) {
			if ( ! sort ) {
				sort = 'popular';
				themes.router.navigate( themes.router.baseUrl( '?browse=popular' ), { replace: true } );
			}
			self.view.sort( sort );

			// Close the preview if open.
			if ( themes.preview ) {
				themes.preview.close();
			}
		});

		// The `search` route event. The router populates the input field.
		themes.router.on( 'route:search', function() {
			$( '.wp-filter-search' ).trigger( 'focus' ).trigger( 'keyup' );
		});

		this.extraRoutes();
	},

	extraRoutes: function() {
		return false;
	}
};

// Ready...
$( function() {
	if ( themes.isInstall ) {
		themes.RunInstaller.init();
	} else {
		themes.Run.init();
	}

	// Update the return param just in time.
	$( document.body ).on( 'click', '.load-customize', function() {
		var link = $( this ), urlParser = document.createElement( 'a' );
		urlParser.href = link.prop( 'href' );
		urlParser.search = $.param( _.extend(
			wp.customize.utils.parseQueryString( urlParser.search.substr( 1 ) ),
			{
				'return': window.location.href
			}
		) );
		link.prop( 'href', urlParser.href );
	});

	$( '.broken-themes .delete-theme' ).on( 'click', function() {
		return confirm( _wpThemeSettings.settings.confirmDelete );
	});
});

})( jQuery );

// Align theme browser thickbox.
jQuery( function($) {
	window.tb_position = function() {
		var tbWindow = $('#TB_window'),
			width = $(window).width(),
			H = $(window).height(),
			W = ( 1040 < width ) ? 1040 : width,
			adminbar_height = 0;

		if ( $('#wpadminbar').length ) {
			adminbar_height = parseInt( $('#wpadminbar').css('height'), 10 );
		}

		if ( tbWindow.length >= 1 ) {
			tbWindow.width( W - 50 ).height( H - 45 - adminbar_height );
			$('#TB_iframeContent').width( W - 50 ).height( H - 75 - adminbar_height );
			tbWindow.css({'margin-left': '-' + parseInt( ( ( W - 50 ) / 2 ), 10 ) + 'px'});
			if ( typeof document.body.style.maxWidth !== 'undefined' ) {
				tbWindow.css({'top': 20 + adminbar_height + 'px', 'margin-top': '0'});
			}
		}
	};

	$(window).on( 'resize', function(){ tb_position(); });
});
PK       ! �3��  �    tags-suggest.jsnu �[���        /**
 * Default settings for jQuery UI Autocomplete for use with non-hierarchical taxonomies.
 *
 * @output wp-admin/js/tags-suggest.js
 */
( function( $ ) {
	var tempID = 0;
	var separator = wp.i18n._x( ',', 'tag delimiter' ) || ',';
	var __ = wp.i18n.__,
	    _n = wp.i18n._n,
	    sprintf = wp.i18n.sprintf;

	function split( val ) {
		return val.split( new RegExp( separator + '\\s*' ) );
	}

	function getLast( term ) {
		return split( term ).pop();
	}

	/**
	 * Add UI Autocomplete to an input or textarea element with presets for use
	 * with non-hierarchical taxonomies.
	 *
	 * Example: `$( element ).wpTagsSuggest( options )`.
	 *
	 * The taxonomy can be passed in a `data-wp-taxonomy` attribute on the element or
	 * can be in `options.taxonomy`.
	 *
	 * @since 4.7.0
	 *
	 * @param {Object} options Options that are passed to UI Autocomplete. Can be used to override the default settings.
	 * @return {Object} jQuery instance.
	 */
	$.fn.wpTagsSuggest = function( options ) {
		var cache;
		var last;
		var $element = $( this );

		// Do not initialize if the element doesn't exist.
		if ( ! $element.length ) {
			return this;
		}

		options = options || {};

		var taxonomy = options.taxonomy || $element.attr( 'data-wp-taxonomy' ) || 'post_tag';

		delete( options.taxonomy );

		options = $.extend( {
			source: function( request, response ) {
				var term;

				if ( last === request.term ) {
					response( cache );
					return;
				}

				term = getLast( request.term );

				$.get( window.ajaxurl, {
					action: 'ajax-tag-search',
					tax: taxonomy,
					q: term,
					number: 20
				} ).always( function() {
					$element.removeClass( 'ui-autocomplete-loading' ); // UI fails to remove this sometimes?
				} ).done( function( data ) {
					var tagName;
					var tags = [];

					if ( data ) {
						data = data.split( '\n' );

						for ( tagName in data ) {
							var id = ++tempID;

							tags.push({
								id: id,
								name: data[tagName]
							});
						}

						cache = tags;
						response( tags );
					} else {
						response( tags );
					}
				} );

				last = request.term;
			},
			focus: function( event, ui ) {
				$element.attr( 'aria-activedescendant', 'wp-tags-autocomplete-' + ui.item.id );

				// Don't empty the input field when using the arrow keys
				// to highlight items. See api.jqueryui.com/autocomplete/#event-focus
				event.preventDefault();
			},
			select: function( event, ui ) {
				var tags = split( $element.val() );
				// Remove the last user input.
				tags.pop();
				// Append the new tag and an empty element to get one more separator at the end.
				tags.push( ui.item.name, '' );

				$element.val( tags.join( separator + ' ' ) );

				if ( $.ui.keyCode.TAB === event.keyCode ) {
					// Audible confirmation message when a tag has been selected.
					window.wp.a11y.speak( wp.i18n.__( 'Term selected.' ), 'assertive' );
					event.preventDefault();
				} else if ( $.ui.keyCode.ENTER === event.keyCode ) {
					// If we're in the edit post Tags meta box, add the tag.
					if ( window.tagBox ) {
						window.tagBox.userAction = 'add';
						window.tagBox.flushTags( $( this ).closest( '.tagsdiv' ) );
					}

					// Do not close Quick Edit / Bulk Edit.
					event.preventDefault();
					event.stopPropagation();
				}

				return false;
			},
			open: function() {
				$element.attr( 'aria-expanded', 'true' );
			},
			close: function() {
				$element.attr( 'aria-expanded', 'false' );
			},
			minLength: 2,
			position: {
				my: 'left top+2',
				at: 'left bottom',
				collision: 'none'
			},
			messages: {
				noResults: __( 'No results found.' ),
				results: function( number ) {
					return sprintf(
						/* translators: %d: Number of search results found. */
						_n(
							'%d result found. Use up and down arrow keys to navigate.',
							'%d results found. Use up and down arrow keys to navigate.',
							number
						),
						number
					);
				}
			}
		}, options );

		$element.on( 'keydown', function() {
			$element.removeAttr( 'aria-activedescendant' );
		} );

		$element.autocomplete( options );

		// Ensure the autocomplete instance exists.
		if ( ! $element.autocomplete( 'instance' ) ) {
			return this;
		}

		$element.autocomplete( 'instance' )._renderItem = function( ul, item ) {
			return $( '<li role="option" id="wp-tags-autocomplete-' + item.id + '">' )
				.text( item.name )
				.appendTo( ul );
		};

		$element.attr( {
			'role': 'combobox',
			'aria-autocomplete': 'list',
			'aria-expanded': 'false',
			'aria-owns': $element.autocomplete( 'widget' ).attr( 'id' )
		} )
		.on( 'focus', function() {
			var inputValue = split( $element.val() ).pop();

			// Don't trigger a search if the field is empty.
			// Also, avoids screen readers announce `No search results`.
			if ( inputValue ) {
				$element.autocomplete( 'search' );
			}
		} );

		// Returns a jQuery object containing the menu element.
		$element.autocomplete( 'widget' )
			.addClass( 'wp-tags-autocomplete' )
			.attr( 'role', 'listbox' )
			.removeAttr( 'tabindex' ) // Remove the `tabindex=0` attribute added by jQuery UI.

			/*
			 * Looks like Safari and VoiceOver need an `aria-selected` attribute. See ticket #33301.
			 * The `menufocus` and `menublur` events are the same events used to add and remove
			 * the `ui-state-focus` CSS class on the menu items. See jQuery UI Menu Widget.
			 */
			.on( 'menufocus', function( event, ui ) {
				ui.item.attr( 'aria-selected', 'true' );
			})
			.on( 'menublur', function() {
				// The `menublur` event returns an object where the item is `null`,
				// so we need to find the active item with other means.
				$( this ).find( '[aria-selected="true"]' ).removeAttr( 'aria-selected' );
			});

		return this;
	};

}( jQuery ) );
PK       ! "��/ /   customize-widgets.jsnu �[���        /**
 * @output wp-admin/js/customize-widgets.js
 */

/* global _wpCustomizeWidgetsSettings */
(function( wp, $ ){

	if ( ! wp || ! wp.customize ) { return; }

	// Set up our namespace...
	var api = wp.customize,
		l10n;

	/**
	 * @namespace wp.customize.Widgets
	 */
	api.Widgets = api.Widgets || {};
	api.Widgets.savedWidgetIds = {};

	// Link settings.
	api.Widgets.data = _wpCustomizeWidgetsSettings || {};
	l10n = api.Widgets.data.l10n;

	/**
	 * wp.customize.Widgets.WidgetModel
	 *
	 * A single widget model.
	 *
	 * @class    wp.customize.Widgets.WidgetModel
	 * @augments Backbone.Model
	 */
	api.Widgets.WidgetModel = Backbone.Model.extend(/** @lends wp.customize.Widgets.WidgetModel.prototype */{
		id: null,
		temp_id: null,
		classname: null,
		control_tpl: null,
		description: null,
		is_disabled: null,
		is_multi: null,
		multi_number: null,
		name: null,
		id_base: null,
		transport: null,
		params: [],
		width: null,
		height: null,
		search_matched: true
	});

	/**
	 * wp.customize.Widgets.WidgetCollection
	 *
	 * Collection for widget models.
	 *
	 * @class    wp.customize.Widgets.WidgetCollection
	 * @augments Backbone.Collection
	 */
	api.Widgets.WidgetCollection = Backbone.Collection.extend(/** @lends wp.customize.Widgets.WidgetCollection.prototype */{
		model: api.Widgets.WidgetModel,

		// Controls searching on the current widget collection
		// and triggers an update event.
		doSearch: function( value ) {

			// Don't do anything if we've already done this search.
			// Useful because the search handler fires multiple times per keystroke.
			if ( this.terms === value ) {
				return;
			}

			// Updates terms with the value passed.
			this.terms = value;

			// If we have terms, run a search...
			if ( this.terms.length > 0 ) {
				this.search( this.terms );
			}

			// If search is blank, set all the widgets as they matched the search to reset the views.
			if ( this.terms === '' ) {
				this.each( function ( widget ) {
					widget.set( 'search_matched', true );
				} );
			}
		},

		// Performs a search within the collection.
		// @uses RegExp
		search: function( term ) {
			var match, haystack;

			// Escape the term string for RegExp meta characters.
			term = term.replace( /[-\/\\^$*+?.()|[\]{}]/g, '\\$&' );

			// Consider spaces as word delimiters and match the whole string
			// so matching terms can be combined.
			term = term.replace( / /g, ')(?=.*' );
			match = new RegExp( '^(?=.*' + term + ').+', 'i' );

			this.each( function ( data ) {
				haystack = [ data.get( 'name' ), data.get( 'description' ) ].join( ' ' );
				data.set( 'search_matched', match.test( haystack ) );
			} );
		}
	});
	api.Widgets.availableWidgets = new api.Widgets.WidgetCollection( api.Widgets.data.availableWidgets );

	/**
	 * wp.customize.Widgets.SidebarModel
	 *
	 * A single sidebar model.
	 *
	 * @class    wp.customize.Widgets.SidebarModel
	 * @augments Backbone.Model
	 */
	api.Widgets.SidebarModel = Backbone.Model.extend(/** @lends wp.customize.Widgets.SidebarModel.prototype */{
		after_title: null,
		after_widget: null,
		before_title: null,
		before_widget: null,
		'class': null,
		description: null,
		id: null,
		name: null,
		is_rendered: false
	});

	/**
	 * wp.customize.Widgets.SidebarCollection
	 *
	 * Collection for sidebar models.
	 *
	 * @class    wp.customize.Widgets.SidebarCollection
	 * @augments Backbone.Collection
	 */
	api.Widgets.SidebarCollection = Backbone.Collection.extend(/** @lends wp.customize.Widgets.SidebarCollection.prototype */{
		model: api.Widgets.SidebarModel
	});
	api.Widgets.registeredSidebars = new api.Widgets.SidebarCollection( api.Widgets.data.registeredSidebars );

	api.Widgets.AvailableWidgetsPanelView = wp.Backbone.View.extend(/** @lends wp.customize.Widgets.AvailableWidgetsPanelView.prototype */{

		el: '#available-widgets',

		events: {
			'input #widgets-search': 'search',
			'focus .widget-tpl' : 'focus',
			'click .widget-tpl' : '_submit',
			'keypress .widget-tpl' : '_submit',
			'keydown' : 'keyboardAccessible'
		},

		// Cache current selected widget.
		selected: null,

		// Cache sidebar control which has opened panel.
		currentSidebarControl: null,
		$search: null,
		$clearResults: null,
		searchMatchesCount: null,

		/**
		 * View class for the available widgets panel.
		 *
		 * @constructs wp.customize.Widgets.AvailableWidgetsPanelView
		 * @augments   wp.Backbone.View
		 */
		initialize: function() {
			var self = this;

			this.$search = $( '#widgets-search' );

			this.$clearResults = this.$el.find( '.clear-results' );

			_.bindAll( this, 'close' );

			this.listenTo( this.collection, 'change', this.updateList );

			this.updateList();

			// Set the initial search count to the number of available widgets.
			this.searchMatchesCount = this.collection.length;

			/*
			 * If the available widgets panel is open and the customize controls
			 * are interacted with (i.e. available widgets panel is blurred) then
			 * close the available widgets panel. Also close on back button click.
			 */
			$( '#customize-controls, #available-widgets .customize-section-title' ).on( 'click keydown', function( e ) {
				var isAddNewBtn = $( e.target ).is( '.add-new-widget, .add-new-widget *' );
				if ( $( 'body' ).hasClass( 'adding-widget' ) && ! isAddNewBtn ) {
					self.close();
				}
			} );

			// Clear the search results and trigger an `input` event to fire a new search.
			this.$clearResults.on( 'click', function() {
				self.$search.val( '' ).trigger( 'focus' ).trigger( 'input' );
			} );

			// Close the panel if the URL in the preview changes.
			api.previewer.bind( 'url', this.close );
		},

		/**
		 * Performs a search and handles selected widget.
		 */
		search: _.debounce( function( event ) {
			var firstVisible;

			this.collection.doSearch( event.target.value );
			// Update the search matches count.
			this.updateSearchMatchesCount();
			// Announce how many search results.
			this.announceSearchMatches();

			// Remove a widget from being selected if it is no longer visible.
			if ( this.selected && ! this.selected.is( ':visible' ) ) {
				this.selected.removeClass( 'selected' );
				this.selected = null;
			}

			// If a widget was selected but the filter value has been cleared out, clear selection.
			if ( this.selected && ! event.target.value ) {
				this.selected.removeClass( 'selected' );
				this.selected = null;
			}

			// If a filter has been entered and a widget hasn't been selected, select the first one shown.
			if ( ! this.selected && event.target.value ) {
				firstVisible = this.$el.find( '> .widget-tpl:visible:first' );
				if ( firstVisible.length ) {
					this.select( firstVisible );
				}
			}

			// Toggle the clear search results button.
			if ( '' !== event.target.value ) {
				this.$clearResults.addClass( 'is-visible' );
			} else if ( '' === event.target.value ) {
				this.$clearResults.removeClass( 'is-visible' );
			}

			// Set a CSS class on the search container when there are no search results.
			if ( ! this.searchMatchesCount ) {
				this.$el.addClass( 'no-widgets-found' );
			} else {
				this.$el.removeClass( 'no-widgets-found' );
			}
		}, 500 ),

		/**
		 * Updates the count of the available widgets that have the `search_matched` attribute.
 		 */
		updateSearchMatchesCount: function() {
			this.searchMatchesCount = this.collection.where({ search_matched: true }).length;
		},

		/**
		 * Sends a message to the aria-live region to announce how many search results.
		 */
		announceSearchMatches: function() {
			var message = l10n.widgetsFound.replace( '%d', this.searchMatchesCount ) ;

			if ( ! this.searchMatchesCount ) {
				message = l10n.noWidgetsFound;
			}

			wp.a11y.speak( message );
		},

		/**
		 * Changes visibility of available widgets.
 		 */
		updateList: function() {
			this.collection.each( function( widget ) {
				var widgetTpl = $( '#widget-tpl-' + widget.id );
				widgetTpl.toggle( widget.get( 'search_matched' ) && ! widget.get( 'is_disabled' ) );
				if ( widget.get( 'is_disabled' ) && widgetTpl.is( this.selected ) ) {
					this.selected = null;
				}
			} );
		},

		/**
		 * Highlights a widget.
 		 */
		select: function( widgetTpl ) {
			this.selected = $( widgetTpl );
			this.selected.siblings( '.widget-tpl' ).removeClass( 'selected' );
			this.selected.addClass( 'selected' );
		},

		/**
		 * Highlights a widget on focus.
		 */
		focus: function( event ) {
			this.select( $( event.currentTarget ) );
		},

		/**
		 * Handles submit for keypress and click on widget.
		 */
		_submit: function( event ) {
			// Only proceed with keypress if it is Enter or Spacebar.
			if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
				return;
			}

			this.submit( $( event.currentTarget ) );
		},

		/**
		 * Adds a selected widget to the sidebar.
 		 */
		submit: function( widgetTpl ) {
			var widgetId, widget, widgetFormControl;

			if ( ! widgetTpl ) {
				widgetTpl = this.selected;
			}

			if ( ! widgetTpl || ! this.currentSidebarControl ) {
				return;
			}

			this.select( widgetTpl );

			widgetId = $( this.selected ).data( 'widget-id' );
			widget = this.collection.findWhere( { id: widgetId } );
			if ( ! widget ) {
				return;
			}

			widgetFormControl = this.currentSidebarControl.addWidget( widget.get( 'id_base' ) );
			if ( widgetFormControl ) {
				widgetFormControl.focus();
			}

			this.close();
		},

		/**
		 * Opens the panel.
		 */
		open: function( sidebarControl ) {
			this.currentSidebarControl = sidebarControl;

			// Wide widget controls appear over the preview, and so they need to be collapsed when the panel opens.
			_( this.currentSidebarControl.getWidgetFormControls() ).each( function( control ) {
				if ( control.params.is_wide ) {
					control.collapseForm();
				}
			} );

			if ( api.section.has( 'publish_settings' ) ) {
				api.section( 'publish_settings' ).collapse();
			}

			$( 'body' ).addClass( 'adding-widget' );

			this.$el.find( '.selected' ).removeClass( 'selected' );

			// Reset search.
			this.collection.doSearch( '' );

			if ( ! api.settings.browser.mobile ) {
				this.$search.trigger( 'focus' );
			}
		},

		/**
		 * Closes the panel.
		 */
		close: function( options ) {
			options = options || {};

			if ( options.returnFocus && this.currentSidebarControl ) {
				this.currentSidebarControl.container.find( '.add-new-widget' ).focus();
			}

			this.currentSidebarControl = null;
			this.selected = null;

			$( 'body' ).removeClass( 'adding-widget' );

			this.$search.val( '' ).trigger( 'input' );
		},

		/**
		 * Adds keyboard accessibility to the panel.
		 */
		keyboardAccessible: function( event ) {
			var isEnter = ( event.which === 13 ),
				isEsc = ( event.which === 27 ),
				isDown = ( event.which === 40 ),
				isUp = ( event.which === 38 ),
				isTab = ( event.which === 9 ),
				isShift = ( event.shiftKey ),
				selected = null,
				firstVisible = this.$el.find( '> .widget-tpl:visible:first' ),
				lastVisible = this.$el.find( '> .widget-tpl:visible:last' ),
				isSearchFocused = $( event.target ).is( this.$search ),
				isLastWidgetFocused = $( event.target ).is( '.widget-tpl:visible:last' );

			if ( isDown || isUp ) {
				if ( isDown ) {
					if ( isSearchFocused ) {
						selected = firstVisible;
					} else if ( this.selected && this.selected.nextAll( '.widget-tpl:visible' ).length !== 0 ) {
						selected = this.selected.nextAll( '.widget-tpl:visible:first' );
					}
				} else if ( isUp ) {
					if ( isSearchFocused ) {
						selected = lastVisible;
					} else if ( this.selected && this.selected.prevAll( '.widget-tpl:visible' ).length !== 0 ) {
						selected = this.selected.prevAll( '.widget-tpl:visible:first' );
					}
				}

				this.select( selected );

				if ( selected ) {
					selected.trigger( 'focus' );
				} else {
					this.$search.trigger( 'focus' );
				}

				return;
			}

			// If enter pressed but nothing entered, don't do anything.
			if ( isEnter && ! this.$search.val() ) {
				return;
			}

			if ( isEnter ) {
				this.submit();
			} else if ( isEsc ) {
				this.close( { returnFocus: true } );
			}

			if ( this.currentSidebarControl && isTab && ( isShift && isSearchFocused || ! isShift && isLastWidgetFocused ) ) {
				this.currentSidebarControl.container.find( '.add-new-widget' ).focus();
				event.preventDefault();
			}
		}
	});

	/**
	 * Handlers for the widget-synced event, organized by widget ID base.
	 * Other widgets may provide their own update handlers by adding
	 * listeners for the widget-synced event.
	 *
	 * @alias    wp.customize.Widgets.formSyncHandlers
	 */
	api.Widgets.formSyncHandlers = {

		/**
		 * @param {jQuery.Event} e
		 * @param {jQuery} widget
		 * @param {string} newForm
		 */
		rss: function( e, widget, newForm ) {
			var oldWidgetError = widget.find( '.widget-error:first' ),
				newWidgetError = $( '<div>' + newForm + '</div>' ).find( '.widget-error:first' );

			if ( oldWidgetError.length && newWidgetError.length ) {
				oldWidgetError.replaceWith( newWidgetError );
			} else if ( oldWidgetError.length ) {
				oldWidgetError.remove();
			} else if ( newWidgetError.length ) {
				widget.find( '.widget-content:first' ).prepend( newWidgetError );
			}
		}
	};

	api.Widgets.WidgetControl = api.Control.extend(/** @lends wp.customize.Widgets.WidgetControl.prototype */{
		defaultExpandedArguments: {
			duration: 'fast',
			completeCallback: $.noop
		},

		/**
		 * wp.customize.Widgets.WidgetControl
		 *
		 * Customizer control for widgets.
		 * Note that 'widget_form' must match the WP_Widget_Form_Customize_Control::$type
		 *
		 * @since 4.1.0
		 *
		 * @constructs wp.customize.Widgets.WidgetControl
		 * @augments   wp.customize.Control
		 */
		initialize: function( id, options ) {
			var control = this;

			control.widgetControlEmbedded = false;
			control.widgetContentEmbedded = false;
			control.expanded = new api.Value( false );
			control.expandedArgumentsQueue = [];
			control.expanded.bind( function( expanded ) {
				var args = control.expandedArgumentsQueue.shift();
				args = $.extend( {}, control.defaultExpandedArguments, args );
				control.onChangeExpanded( expanded, args );
			});
			control.altNotice = true;

			api.Control.prototype.initialize.call( control, id, options );
		},

		/**
		 * Set up the control.
		 *
		 * @since 3.9.0
		 */
		ready: function() {
			var control = this;

			/*
			 * Embed a placeholder once the section is expanded. The full widget
			 * form content will be embedded once the control itself is expanded,
			 * and at this point the widget-added event will be triggered.
			 */
			if ( ! control.section() ) {
				control.embedWidgetControl();
			} else {
				api.section( control.section(), function( section ) {
					var onExpanded = function( isExpanded ) {
						if ( isExpanded ) {
							control.embedWidgetControl();
							section.expanded.unbind( onExpanded );
						}
					};
					if ( section.expanded() ) {
						onExpanded( true );
					} else {
						section.expanded.bind( onExpanded );
					}
				} );
			}
		},

		/**
		 * Embed the .widget element inside the li container.
		 *
		 * @since 4.4.0
		 */
		embedWidgetControl: function() {
			var control = this, widgetControl;

			if ( control.widgetControlEmbedded ) {
				return;
			}
			control.widgetControlEmbedded = true;

			widgetControl = $( control.params.widget_control );
			control.container.append( widgetControl );

			control._setupModel();
			control._setupWideWidget();
			control._setupControlToggle();

			control._setupWidgetTitle();
			control._setupReorderUI();
			control._setupHighlightEffects();
			control._setupUpdateUI();
			control._setupRemoveUI();
		},

		/**
		 * Embed the actual widget form inside of .widget-content and finally trigger the widget-added event.
		 *
		 * @since 4.4.0
		 */
		embedWidgetContent: function() {
			var control = this, widgetContent;

			control.embedWidgetControl();
			if ( control.widgetContentEmbedded ) {
				return;
			}
			control.widgetContentEmbedded = true;

			// Update the notification container element now that the widget content has been embedded.
			control.notifications.container = control.getNotificationsContainerElement();
			control.notifications.render();

			widgetContent = $( control.params.widget_content );
			control.container.find( '.widget-content:first' ).append( widgetContent );

			/*
			 * Trigger widget-added event so that plugins can attach any event
			 * listeners and dynamic UI elements.
			 */
			$( document ).trigger( 'widget-added', [ control.container.find( '.widget:first' ) ] );

		},

		/**
		 * Handle changes to the setting
		 */
		_setupModel: function() {
			var self = this, rememberSavedWidgetId;

			// Remember saved widgets so we know which to trash (move to inactive widgets sidebar).
			rememberSavedWidgetId = function() {
				api.Widgets.savedWidgetIds[self.params.widget_id] = true;
			};
			api.bind( 'ready', rememberSavedWidgetId );
			api.bind( 'saved', rememberSavedWidgetId );

			this._updateCount = 0;
			this.isWidgetUpdating = false;
			this.liveUpdateMode = true;

			// Update widget whenever model changes.
			this.setting.bind( function( to, from ) {
				if ( ! _( from ).isEqual( to ) && ! self.isWidgetUpdating ) {
					self.updateWidget( { instance: to } );
				}
			} );
		},

		/**
		 * Add special behaviors for wide widget controls
		 */
		_setupWideWidget: function() {
			var self = this, $widgetInside, $widgetForm, $customizeSidebar,
				$themeControlsContainer, positionWidget;

			if ( ! this.params.is_wide || $( window ).width() <= 640 /* max-width breakpoint in customize-controls.css */ ) {
				return;
			}

			$widgetInside = this.container.find( '.widget-inside' );
			$widgetForm = $widgetInside.find( '> .form' );
			$customizeSidebar = $( '.wp-full-overlay-sidebar-content:first' );
			this.container.addClass( 'wide-widget-control' );

			this.container.find( '.form:first' ).css( {
				'max-width': this.params.width,
				'min-height': this.params.height
			} );

			/**
			 * Keep the widget-inside positioned so the top of fixed-positioned
			 * element is at the same top position as the widget-top. When the
			 * widget-top is scrolled out of view, keep the widget-top in view;
			 * likewise, don't allow the widget to drop off the bottom of the window.
			 * If a widget is too tall to fit in the window, don't let the height
			 * exceed the window height so that the contents of the widget control
			 * will become scrollable (overflow:auto).
			 */
			positionWidget = function() {
				var offsetTop = self.container.offset().top,
					windowHeight = $( window ).height(),
					formHeight = $widgetForm.outerHeight(),
					top;
				$widgetInside.css( 'max-height', windowHeight );
				top = Math.max(
					0, // Prevent top from going off screen.
					Math.min(
						Math.max( offsetTop, 0 ), // Distance widget in panel is from top of screen.
						windowHeight - formHeight // Flush up against bottom of screen.
					)
				);
				$widgetInside.css( 'top', top );
			};

			$themeControlsContainer = $( '#customize-theme-controls' );
			this.container.on( 'expand', function() {
				positionWidget();
				$customizeSidebar.on( 'scroll', positionWidget );
				$( window ).on( 'resize', positionWidget );
				$themeControlsContainer.on( 'expanded collapsed', positionWidget );
			} );
			this.container.on( 'collapsed', function() {
				$customizeSidebar.off( 'scroll', positionWidget );
				$( window ).off( 'resize', positionWidget );
				$themeControlsContainer.off( 'expanded collapsed', positionWidget );
			} );

			// Reposition whenever a sidebar's widgets are changed.
			api.each( function( setting ) {
				if ( 0 === setting.id.indexOf( 'sidebars_widgets[' ) ) {
					setting.bind( function() {
						if ( self.container.hasClass( 'expanded' ) ) {
							positionWidget();
						}
					} );
				}
			} );
		},

		/**
		 * Show/hide the control when clicking on the form title, when clicking
		 * the close button
		 */
		_setupControlToggle: function() {
			var self = this, $closeBtn;

			this.container.find( '.widget-top' ).on( 'click', function( e ) {
				e.preventDefault();
				var sidebarWidgetsControl = self.getSidebarWidgetsControl();
				if ( sidebarWidgetsControl.isReordering ) {
					return;
				}
				self.expanded( ! self.expanded() );
			} );

			$closeBtn = this.container.find( '.widget-control-close' );
			$closeBtn.on( 'click', function() {
				self.collapse();
				self.container.find( '.widget-top .widget-action:first' ).focus(); // Keyboard accessibility.
			} );
		},

		/**
		 * Update the title of the form if a title field is entered
		 */
		_setupWidgetTitle: function() {
			var self = this, updateTitle;

			updateTitle = function() {
				var title = self.setting().title,
					inWidgetTitle = self.container.find( '.in-widget-title' );

				if ( title ) {
					inWidgetTitle.text( ': ' + title );
				} else {
					inWidgetTitle.text( '' );
				}
			};
			this.setting.bind( updateTitle );
			updateTitle();
		},

		/**
		 * Set up the widget-reorder-nav
		 */
		_setupReorderUI: function() {
			var self = this, selectSidebarItem, $moveWidgetArea,
				$reorderNav, updateAvailableSidebars, template;

			/**
			 * select the provided sidebar list item in the move widget area
			 *
			 * @param {jQuery} li
			 */
			selectSidebarItem = function( li ) {
				li.siblings( '.selected' ).removeClass( 'selected' );
				li.addClass( 'selected' );
				var isSelfSidebar = ( li.data( 'id' ) === self.params.sidebar_id );
				self.container.find( '.move-widget-btn' ).prop( 'disabled', isSelfSidebar );
			};

			/**
			 * Add the widget reordering elements to the widget control
			 */
			this.container.find( '.widget-title-action' ).after( $( api.Widgets.data.tpl.widgetReorderNav ) );


			template = _.template( api.Widgets.data.tpl.moveWidgetArea );
			$moveWidgetArea = $( template( {
					sidebars: _( api.Widgets.registeredSidebars.toArray() ).pluck( 'attributes' )
				} )
			);
			this.container.find( '.widget-top' ).after( $moveWidgetArea );

			/**
			 * Update available sidebars when their rendered state changes
			 */
			updateAvailableSidebars = function() {
				var $sidebarItems = $moveWidgetArea.find( 'li' ), selfSidebarItem,
					renderedSidebarCount = 0;

				selfSidebarItem = $sidebarItems.filter( function(){
					return $( this ).data( 'id' ) === self.params.sidebar_id;
				} );

				$sidebarItems.each( function() {
					var li = $( this ),
						sidebarId, sidebar, sidebarIsRendered;

					sidebarId = li.data( 'id' );
					sidebar = api.Widgets.registeredSidebars.get( sidebarId );
					sidebarIsRendered = sidebar.get( 'is_rendered' );

					li.toggle( sidebarIsRendered );

					if ( sidebarIsRendered ) {
						renderedSidebarCount += 1;
					}

					if ( li.hasClass( 'selected' ) && ! sidebarIsRendered ) {
						selectSidebarItem( selfSidebarItem );
					}
				} );

				if ( renderedSidebarCount > 1 ) {
					self.container.find( '.move-widget' ).show();
				} else {
					self.container.find( '.move-widget' ).hide();
				}
			};

			updateAvailableSidebars();
			api.Widgets.registeredSidebars.on( 'change:is_rendered', updateAvailableSidebars );

			/**
			 * Handle clicks for up/down/move on the reorder nav
			 */
			$reorderNav = this.container.find( '.widget-reorder-nav' );
			$reorderNav.find( '.move-widget, .move-widget-down, .move-widget-up' ).each( function() {
				$( this ).prepend( self.container.find( '.widget-title' ).text() + ': ' );
			} ).on( 'click keypress', function( event ) {
				if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
					return;
				}
				$( this ).trigger( 'focus' );

				if ( $( this ).is( '.move-widget' ) ) {
					self.toggleWidgetMoveArea();
				} else {
					var isMoveDown = $( this ).is( '.move-widget-down' ),
						isMoveUp = $( this ).is( '.move-widget-up' ),
						i = self.getWidgetSidebarPosition();

					if ( ( isMoveUp && i === 0 ) || ( isMoveDown && i === self.getSidebarWidgetsControl().setting().length - 1 ) ) {
						return;
					}

					if ( isMoveUp ) {
						self.moveUp();
						wp.a11y.speak( l10n.widgetMovedUp );
					} else {
						self.moveDown();
						wp.a11y.speak( l10n.widgetMovedDown );
					}

					$( this ).trigger( 'focus' ); // Re-focus after the container was moved.
				}
			} );

			/**
			 * Handle selecting a sidebar to move to
			 */
			this.container.find( '.widget-area-select' ).on( 'click keypress', 'li', function( event ) {
				if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
					return;
				}
				event.preventDefault();
				selectSidebarItem( $( this ) );
			} );

			/**
			 * Move widget to another sidebar
			 */
			this.container.find( '.move-widget-btn' ).click( function() {
				self.getSidebarWidgetsControl().toggleReordering( false );

				var oldSidebarId = self.params.sidebar_id,
					newSidebarId = self.container.find( '.widget-area-select li.selected' ).data( 'id' ),
					oldSidebarWidgetsSetting, newSidebarWidgetsSetting,
					oldSidebarWidgetIds, newSidebarWidgetIds, i;

				oldSidebarWidgetsSetting = api( 'sidebars_widgets[' + oldSidebarId + ']' );
				newSidebarWidgetsSetting = api( 'sidebars_widgets[' + newSidebarId + ']' );
				oldSidebarWidgetIds = Array.prototype.slice.call( oldSidebarWidgetsSetting() );
				newSidebarWidgetIds = Array.prototype.slice.call( newSidebarWidgetsSetting() );

				i = self.getWidgetSidebarPosition();
				oldSidebarWidgetIds.splice( i, 1 );
				newSidebarWidgetIds.push( self.params.widget_id );

				oldSidebarWidgetsSetting( oldSidebarWidgetIds );
				newSidebarWidgetsSetting( newSidebarWidgetIds );

				self.focus();
			} );
		},

		/**
		 * Highlight widgets in preview when interacted with in the Customizer
		 */
		_setupHighlightEffects: function() {
			var self = this;

			// Highlight whenever hovering or clicking over the form.
			this.container.on( 'mouseenter click', function() {
				self.setting.previewer.send( 'highlight-widget', self.params.widget_id );
			} );

			// Highlight when the setting is updated.
			this.setting.bind( function() {
				self.setting.previewer.send( 'highlight-widget', self.params.widget_id );
			} );
		},

		/**
		 * Set up event handlers for widget updating
		 */
		_setupUpdateUI: function() {
			var self = this, $widgetRoot, $widgetContent,
				$saveBtn, updateWidgetDebounced, formSyncHandler;

			$widgetRoot = this.container.find( '.widget:first' );
			$widgetContent = $widgetRoot.find( '.widget-content:first' );

			// Configure update button.
			$saveBtn = this.container.find( '.widget-control-save' );
			$saveBtn.val( l10n.saveBtnLabel );
			$saveBtn.attr( 'title', l10n.saveBtnTooltip );
			$saveBtn.removeClass( 'button-primary' );
			$saveBtn.on( 'click', function( e ) {
				e.preventDefault();
				self.updateWidget( { disable_form: true } ); // @todo disable_form is unused?
			} );

			updateWidgetDebounced = _.debounce( function() {
				self.updateWidget();
			}, 250 );

			// Trigger widget form update when hitting Enter within an input.
			$widgetContent.on( 'keydown', 'input', function( e ) {
				if ( 13 === e.which ) { // Enter.
					e.preventDefault();
					self.updateWidget( { ignoreActiveElement: true } );
				}
			} );

			// Handle widgets that support live previews.
			$widgetContent.on( 'change input propertychange', ':input', function( e ) {
				if ( ! self.liveUpdateMode ) {
					return;
				}
				if ( e.type === 'change' || ( this.checkValidity && this.checkValidity() ) ) {
					updateWidgetDebounced();
				}
			} );

			// Remove loading indicators when the setting is saved and the preview updates.
			this.setting.previewer.channel.bind( 'synced', function() {
				self.container.removeClass( 'previewer-loading' );
			} );

			api.previewer.bind( 'widget-updated', function( updatedWidgetId ) {
				if ( updatedWidgetId === self.params.widget_id ) {
					self.container.removeClass( 'previewer-loading' );
				}
			} );

			formSyncHandler = api.Widgets.formSyncHandlers[ this.params.widget_id_base ];
			if ( formSyncHandler ) {
				$( document ).on( 'widget-synced', function( e, widget ) {
					if ( $widgetRoot.is( widget ) ) {
						formSyncHandler.apply( document, arguments );
					}
				} );
			}
		},

		/**
		 * Update widget control to indicate whether it is currently rendered.
		 *
		 * Overrides api.Control.toggle()
		 *
		 * @since 4.1.0
		 *
		 * @param {boolean}   active
		 * @param {Object}    args
		 * @param {function}  args.completeCallback
		 */
		onChangeActive: function ( active, args ) {
			// Note: there is a second 'args' parameter being passed, merged on top of this.defaultActiveArguments.
			this.container.toggleClass( 'widget-rendered', active );
			if ( args.completeCallback ) {
				args.completeCallback();
			}
		},

		/**
		 * Set up event handlers for widget removal
		 */
		_setupRemoveUI: function() {
			var self = this, $removeBtn, replaceDeleteWithRemove;

			// Configure remove button.
			$removeBtn = this.container.find( '.widget-control-remove' );
			$removeBtn.on( 'click', function() {
				// Find an adjacent element to add focus to when this widget goes away.
				var $adjacentFocusTarget;
				if ( self.container.next().is( '.customize-control-widget_form' ) ) {
					$adjacentFocusTarget = self.container.next().find( '.widget-action:first' );
				} else if ( self.container.prev().is( '.customize-control-widget_form' ) ) {
					$adjacentFocusTarget = self.container.prev().find( '.widget-action:first' );
				} else {
					$adjacentFocusTarget = self.container.next( '.customize-control-sidebar_widgets' ).find( '.add-new-widget:first' );
				}

				self.container.slideUp( function() {
					var sidebarsWidgetsControl = api.Widgets.getSidebarWidgetControlContainingWidget( self.params.widget_id ),
						sidebarWidgetIds, i;

					if ( ! sidebarsWidgetsControl ) {
						return;
					}

					sidebarWidgetIds = sidebarsWidgetsControl.setting().slice();
					i = _.indexOf( sidebarWidgetIds, self.params.widget_id );
					if ( -1 === i ) {
						return;
					}

					sidebarWidgetIds.splice( i, 1 );
					sidebarsWidgetsControl.setting( sidebarWidgetIds );

					$adjacentFocusTarget.focus(); // Keyboard accessibility.
				} );
			} );

			replaceDeleteWithRemove = function() {
				$removeBtn.text( l10n.removeBtnLabel ); // wp_widget_control() outputs the button as "Delete".
				$removeBtn.attr( 'title', l10n.removeBtnTooltip );
			};

			if ( this.params.is_new ) {
				api.bind( 'saved', replaceDeleteWithRemove );
			} else {
				replaceDeleteWithRemove();
			}
		},

		/**
		 * Find all inputs in a widget container that should be considered when
		 * comparing the loaded form with the sanitized form, whose fields will
		 * be aligned to copy the sanitized over. The elements returned by this
		 * are passed into this._getInputsSignature(), and they are iterated
		 * over when copying sanitized values over to the form loaded.
		 *
		 * @param {jQuery} container element in which to look for inputs
		 * @return {jQuery} inputs
		 * @private
		 */
		_getInputs: function( container ) {
			return $( container ).find( ':input[name]' );
		},

		/**
		 * Iterate over supplied inputs and create a signature string for all of them together.
		 * This string can be used to compare whether or not the form has all of the same fields.
		 *
		 * @param {jQuery} inputs
		 * @return {string}
		 * @private
		 */
		_getInputsSignature: function( inputs ) {
			var inputsSignatures = _( inputs ).map( function( input ) {
				var $input = $( input ), signatureParts;

				if ( $input.is( ':checkbox, :radio' ) ) {
					signatureParts = [ $input.attr( 'id' ), $input.attr( 'name' ), $input.prop( 'value' ) ];
				} else {
					signatureParts = [ $input.attr( 'id' ), $input.attr( 'name' ) ];
				}

				return signatureParts.join( ',' );
			} );

			return inputsSignatures.join( ';' );
		},

		/**
		 * Get the state for an input depending on its type.
		 *
		 * @param {jQuery|Element} input
		 * @return {string|boolean|Array|*}
		 * @private
		 */
		_getInputState: function( input ) {
			input = $( input );
			if ( input.is( ':radio, :checkbox' ) ) {
				return input.prop( 'checked' );
			} else if ( input.is( 'select[multiple]' ) ) {
				return input.find( 'option:selected' ).map( function () {
					return $( this ).val();
				} ).get();
			} else {
				return input.val();
			}
		},

		/**
		 * Update an input's state based on its type.
		 *
		 * @param {jQuery|Element} input
		 * @param {string|boolean|Array|*} state
		 * @private
		 */
		_setInputState: function ( input, state ) {
			input = $( input );
			if ( input.is( ':radio, :checkbox' ) ) {
				input.prop( 'checked', state );
			} else if ( input.is( 'select[multiple]' ) ) {
				if ( ! Array.isArray( state ) ) {
					state = [];
				} else {
					// Make sure all state items are strings since the DOM value is a string.
					state = _.map( state, function ( value ) {
						return String( value );
					} );
				}
				input.find( 'option' ).each( function () {
					$( this ).prop( 'selected', -1 !== _.indexOf( state, String( this.value ) ) );
				} );
			} else {
				input.val( state );
			}
		},

		/***********************************************************************
		 * Begin public API methods
		 **********************************************************************/

		/**
		 * @return {wp.customize.controlConstructor.sidebar_widgets[]}
		 */
		getSidebarWidgetsControl: function() {
			var settingId, sidebarWidgetsControl;

			settingId = 'sidebars_widgets[' + this.params.sidebar_id + ']';
			sidebarWidgetsControl = api.control( settingId );

			if ( ! sidebarWidgetsControl ) {
				return;
			}

			return sidebarWidgetsControl;
		},

		/**
		 * Submit the widget form via Ajax and get back the updated instance,
		 * along with the new widget control form to render.
		 *
		 * @param {Object} [args]
		 * @param {Object|null} [args.instance=null]  When the model changes, the instance is sent here; otherwise, the inputs from the form are used
		 * @param {Function|null} [args.complete=null]  Function which is called when the request finishes. Context is bound to the control. First argument is any error. Following arguments are for success.
		 * @param {boolean} [args.ignoreActiveElement=false] Whether or not updating a field will be deferred if focus is still on the element.
		 */
		updateWidget: function( args ) {
			var self = this, instanceOverride, completeCallback, $widgetRoot, $widgetContent,
				updateNumber, params, data, $inputs, processing, jqxhr, isChanged;

			// The updateWidget logic requires that the form fields to be fully present.
			self.embedWidgetContent();

			args = $.extend( {
				instance: null,
				complete: null,
				ignoreActiveElement: false
			}, args );

			instanceOverride = args.instance;
			completeCallback = args.complete;

			this._updateCount += 1;
			updateNumber = this._updateCount;

			$widgetRoot = this.container.find( '.widget:first' );
			$widgetContent = $widgetRoot.find( '.widget-content:first' );

			// Remove a previous error message.
			$widgetContent.find( '.widget-error' ).remove();

			this.container.addClass( 'widget-form-loading' );
			this.container.addClass( 'previewer-loading' );
			processing = api.state( 'processing' );
			processing( processing() + 1 );

			if ( ! this.liveUpdateMode ) {
				this.container.addClass( 'widget-form-disabled' );
			}

			params = {};
			params.action = 'update-widget';
			params.wp_customize = 'on';
			params.nonce = api.settings.nonce['update-widget'];
			params.customize_theme = api.settings.theme.stylesheet;
			params.customized = wp.customize.previewer.query().customized;

			data = $.param( params );
			$inputs = this._getInputs( $widgetContent );

			/*
			 * Store the value we're submitting in data so that when the response comes back,
			 * we know if it got sanitized; if there is no difference in the sanitized value,
			 * then we do not need to touch the UI and mess up the user's ongoing editing.
			 */
			$inputs.each( function() {
				$( this ).data( 'state' + updateNumber, self._getInputState( this ) );
			} );

			if ( instanceOverride ) {
				data += '&' + $.param( { 'sanitized_widget_setting': JSON.stringify( instanceOverride ) } );
			} else {
				data += '&' + $inputs.serialize();
			}
			data += '&' + $widgetContent.find( '~ :input' ).serialize();

			if ( this._previousUpdateRequest ) {
				this._previousUpdateRequest.abort();
			}
			jqxhr = $.post( wp.ajax.settings.url, data );
			this._previousUpdateRequest = jqxhr;

			jqxhr.done( function( r ) {
				var message, sanitizedForm,	$sanitizedInputs, hasSameInputsInResponse,
					isLiveUpdateAborted = false;

				// Check if the user is logged out.
				if ( '0' === r ) {
					api.previewer.preview.iframe.hide();
					api.previewer.login().done( function() {
						self.updateWidget( args );
						api.previewer.preview.iframe.show();
					} );
					return;
				}

				// Check for cheaters.
				if ( '-1' === r ) {
					api.previewer.cheatin();
					return;
				}

				if ( r.success ) {
					sanitizedForm = $( '<div>' + r.data.form + '</div>' );
					$sanitizedInputs = self._getInputs( sanitizedForm );
					hasSameInputsInResponse = self._getInputsSignature( $inputs ) === self._getInputsSignature( $sanitizedInputs );

					// Restore live update mode if sanitized fields are now aligned with the existing fields.
					if ( hasSameInputsInResponse && ! self.liveUpdateMode ) {
						self.liveUpdateMode = true;
						self.container.removeClass( 'widget-form-disabled' );
						self.container.find( 'input[name="savewidget"]' ).hide();
					}

					// Sync sanitized field states to existing fields if they are aligned.
					if ( hasSameInputsInResponse && self.liveUpdateMode ) {
						$inputs.each( function( i ) {
							var $input = $( this ),
								$sanitizedInput = $( $sanitizedInputs[i] ),
								submittedState, sanitizedState,	canUpdateState;

							submittedState = $input.data( 'state' + updateNumber );
							sanitizedState = self._getInputState( $sanitizedInput );
							$input.data( 'sanitized', sanitizedState );

							canUpdateState = ( ! _.isEqual( submittedState, sanitizedState ) && ( args.ignoreActiveElement || ! $input.is( document.activeElement ) ) );
							if ( canUpdateState ) {
								self._setInputState( $input, sanitizedState );
							}
						} );

						$( document ).trigger( 'widget-synced', [ $widgetRoot, r.data.form ] );

					// Otherwise, if sanitized fields are not aligned with existing fields, disable live update mode if enabled.
					} else if ( self.liveUpdateMode ) {
						self.liveUpdateMode = false;
						self.container.find( 'input[name="savewidget"]' ).show();
						isLiveUpdateAborted = true;

					// Otherwise, replace existing form with the sanitized form.
					} else {
						$widgetContent.html( r.data.form );

						self.container.removeClass( 'widget-form-disabled' );

						$( document ).trigger( 'widget-updated', [ $widgetRoot ] );
					}

					/**
					 * If the old instance is identical to the new one, there is nothing new
					 * needing to be rendered, and so we can preempt the event for the
					 * preview finishing loading.
					 */
					isChanged = ! isLiveUpdateAborted && ! _( self.setting() ).isEqual( r.data.instance );
					if ( isChanged ) {
						self.isWidgetUpdating = true; // Suppress triggering another updateWidget.
						self.setting( r.data.instance );
						self.isWidgetUpdating = false;
					} else {
						// No change was made, so stop the spinner now instead of when the preview would updates.
						self.container.removeClass( 'previewer-loading' );
					}

					if ( completeCallback ) {
						completeCallback.call( self, null, { noChange: ! isChanged, ajaxFinished: true } );
					}
				} else {
					// General error message.
					message = l10n.error;

					if ( r.data && r.data.message ) {
						message = r.data.message;
					}

					if ( completeCallback ) {
						completeCallback.call( self, message );
					} else {
						$widgetContent.prepend( '<p class="widget-error"><strong>' + message + '</strong></p>' );
					}
				}
			} );

			jqxhr.fail( function( jqXHR, textStatus ) {
				if ( completeCallback ) {
					completeCallback.call( self, textStatus );
				}
			} );

			jqxhr.always( function() {
				self.container.removeClass( 'widget-form-loading' );

				$inputs.each( function() {
					$( this ).removeData( 'state' + updateNumber );
				} );

				processing( processing() - 1 );
			} );
		},

		/**
		 * Expand the accordion section containing a control
		 */
		expandControlSection: function() {
			api.Control.prototype.expand.call( this );
		},

		/**
		 * @since 4.1.0
		 *
		 * @param {Boolean} expanded
		 * @param {Object} [params]
		 * @return {Boolean} False if state already applied.
		 */
		_toggleExpanded: api.Section.prototype._toggleExpanded,

		/**
		 * @since 4.1.0
		 *
		 * @param {Object} [params]
		 * @return {Boolean} False if already expanded.
		 */
		expand: api.Section.prototype.expand,

		/**
		 * Expand the widget form control
		 *
		 * @deprecated 4.1.0 Use this.expand() instead.
		 */
		expandForm: function() {
			this.expand();
		},

		/**
		 * @since 4.1.0
		 *
		 * @param {Object} [params]
		 * @return {Boolean} False if already collapsed.
		 */
		collapse: api.Section.prototype.collapse,

		/**
		 * Collapse the widget form control
		 *
		 * @deprecated 4.1.0 Use this.collapse() instead.
		 */
		collapseForm: function() {
			this.collapse();
		},

		/**
		 * Expand or collapse the widget control
		 *
		 * @deprecated this is poor naming, and it is better to directly set control.expanded( showOrHide )
		 *
		 * @param {boolean|undefined} [showOrHide] If not supplied, will be inverse of current visibility
		 */
		toggleForm: function( showOrHide ) {
			if ( typeof showOrHide === 'undefined' ) {
				showOrHide = ! this.expanded();
			}
			this.expanded( showOrHide );
		},

		/**
		 * Respond to change in the expanded state.
		 *
		 * @param {boolean} expanded
		 * @param {Object} args  merged on top of this.defaultActiveArguments
		 */
		onChangeExpanded: function ( expanded, args ) {
			var self = this, $widget, $inside, complete, prevComplete, expandControl, $toggleBtn;

			self.embedWidgetControl(); // Make sure the outer form is embedded so that the expanded state can be set in the UI.
			if ( expanded ) {
				self.embedWidgetContent();
			}

			// If the expanded state is unchanged only manipulate container expanded states.
			if ( args.unchanged ) {
				if ( expanded ) {
					api.Control.prototype.expand.call( self, {
						completeCallback:  args.completeCallback
					});
				}
				return;
			}

			$widget = this.container.find( 'div.widget:first' );
			$inside = $widget.find( '.widget-inside:first' );
			$toggleBtn = this.container.find( '.widget-top button.widget-action' );

			expandControl = function() {

				// Close all other widget controls before expanding this one.
				api.control.each( function( otherControl ) {
					if ( self.params.type === otherControl.params.type && self !== otherControl ) {
						otherControl.collapse();
					}
				} );

				complete = function() {
					self.container.removeClass( 'expanding' );
					self.container.addClass( 'expanded' );
					$widget.addClass( 'open' );
					$toggleBtn.attr( 'aria-expanded', 'true' );
					self.container.trigger( 'expanded' );
				};
				if ( args.completeCallback ) {
					prevComplete = complete;
					complete = function () {
						prevComplete();
						args.completeCallback();
					};
				}

				if ( self.params.is_wide ) {
					$inside.fadeIn( args.duration, complete );
				} else {
					$inside.slideDown( args.duration, complete );
				}

				self.container.trigger( 'expand' );
				self.container.addClass( 'expanding' );
			};

			if ( $toggleBtn.attr( 'aria-expanded' ) === 'false' ) {
				if ( api.section.has( self.section() ) ) {
					api.section( self.section() ).expand( {
						completeCallback: expandControl
					} );
				} else {
					expandControl();
				}
			} else {
				complete = function() {
					self.container.removeClass( 'collapsing' );
					self.container.removeClass( 'expanded' );
					$widget.removeClass( 'open' );
					$toggleBtn.attr( 'aria-expanded', 'false' );
					self.container.trigger( 'collapsed' );
				};
				if ( args.completeCallback ) {
					prevComplete = complete;
					complete = function () {
						prevComplete();
						args.completeCallback();
					};
				}

				self.container.trigger( 'collapse' );
				self.container.addClass( 'collapsing' );

				if ( self.params.is_wide ) {
					$inside.fadeOut( args.duration, complete );
				} else {
					$inside.slideUp( args.duration, function() {
						$widget.css( { width:'', margin:'' } );
						complete();
					} );
				}
			}
		},

		/**
		 * Get the position (index) of the widget in the containing sidebar
		 *
		 * @return {number}
		 */
		getWidgetSidebarPosition: function() {
			var sidebarWidgetIds, position;

			sidebarWidgetIds = this.getSidebarWidgetsControl().setting();
			position = _.indexOf( sidebarWidgetIds, this.params.widget_id );

			if ( position === -1 ) {
				return;
			}

			return position;
		},

		/**
		 * Move widget up one in the sidebar
		 */
		moveUp: function() {
			this._moveWidgetByOne( -1 );
		},

		/**
		 * Move widget up one in the sidebar
		 */
		moveDown: function() {
			this._moveWidgetByOne( 1 );
		},

		/**
		 * @private
		 *
		 * @param {number} offset 1|-1
		 */
		_moveWidgetByOne: function( offset ) {
			var i, sidebarWidgetsSetting, sidebarWidgetIds,	adjacentWidgetId;

			i = this.getWidgetSidebarPosition();

			sidebarWidgetsSetting = this.getSidebarWidgetsControl().setting;
			sidebarWidgetIds = Array.prototype.slice.call( sidebarWidgetsSetting() ); // Clone.
			adjacentWidgetId = sidebarWidgetIds[i + offset];
			sidebarWidgetIds[i + offset] = this.params.widget_id;
			sidebarWidgetIds[i] = adjacentWidgetId;

			sidebarWidgetsSetting( sidebarWidgetIds );
		},

		/**
		 * Toggle visibility of the widget move area
		 *
		 * @param {boolean} [showOrHide]
		 */
		toggleWidgetMoveArea: function( showOrHide ) {
			var self = this, $moveWidgetArea;

			$moveWidgetArea = this.container.find( '.move-widget-area' );

			if ( typeof showOrHide === 'undefined' ) {
				showOrHide = ! $moveWidgetArea.hasClass( 'active' );
			}

			if ( showOrHide ) {
				// Reset the selected sidebar.
				$moveWidgetArea.find( '.selected' ).removeClass( 'selected' );

				$moveWidgetArea.find( 'li' ).filter( function() {
					return $( this ).data( 'id' ) === self.params.sidebar_id;
				} ).addClass( 'selected' );

				this.container.find( '.move-widget-btn' ).prop( 'disabled', true );
			}

			$moveWidgetArea.toggleClass( 'active', showOrHide );
		},

		/**
		 * Highlight the widget control and section
		 */
		highlightSectionAndControl: function() {
			var $target;

			if ( this.container.is( ':hidden' ) ) {
				$target = this.container.closest( '.control-section' );
			} else {
				$target = this.container;
			}

			$( '.highlighted' ).removeClass( 'highlighted' );
			$target.addClass( 'highlighted' );

			setTimeout( function() {
				$target.removeClass( 'highlighted' );
			}, 500 );
		}
	} );

	/**
	 * wp.customize.Widgets.WidgetsPanel
	 *
	 * Customizer panel containing the widget area sections.
	 *
	 * @since 4.4.0
	 *
	 * @class    wp.customize.Widgets.WidgetsPanel
	 * @augments wp.customize.Panel
	 */
	api.Widgets.WidgetsPanel = api.Panel.extend(/** @lends wp.customize.Widgets.WigetsPanel.prototype */{

		/**
		 * Add and manage the display of the no-rendered-areas notice.
		 *
		 * @since 4.4.0
		 */
		ready: function () {
			var panel = this;

			api.Panel.prototype.ready.call( panel );

			panel.deferred.embedded.done(function() {
				var panelMetaContainer, noticeContainer, updateNotice, getActiveSectionCount, shouldShowNotice;
				panelMetaContainer = panel.container.find( '.panel-meta' );

				// @todo This should use the Notifications API introduced to panels. See <https://core.trac.wordpress.org/ticket/38794>.
				noticeContainer = $( '<div></div>', {
					'class': 'no-widget-areas-rendered-notice',
					'role': 'alert'
				});
				panelMetaContainer.append( noticeContainer );

				/**
				 * Get the number of active sections in the panel.
				 *
				 * @return {number} Number of active sidebar sections.
				 */
				getActiveSectionCount = function() {
					return _.filter( panel.sections(), function( section ) {
						return 'sidebar' === section.params.type && section.active();
					} ).length;
				};

				/**
				 * Determine whether or not the notice should be displayed.
				 *
				 * @return {boolean}
				 */
				shouldShowNotice = function() {
					var activeSectionCount = getActiveSectionCount();
					if ( 0 === activeSectionCount ) {
						return true;
					} else {
						return activeSectionCount !== api.Widgets.data.registeredSidebars.length;
					}
				};

				/**
				 * Update the notice.
				 *
				 * @return {void}
				 */
				updateNotice = function() {
					var activeSectionCount = getActiveSectionCount(), someRenderedMessage, nonRenderedAreaCount, registeredAreaCount;
					noticeContainer.empty();

					registeredAreaCount = api.Widgets.data.registeredSidebars.length;
					if ( activeSectionCount !== registeredAreaCount ) {

						if ( 0 !== activeSectionCount ) {
							nonRenderedAreaCount = registeredAreaCount - activeSectionCount;
							someRenderedMessage = l10n.someAreasShown[ nonRenderedAreaCount ];
						} else {
							someRenderedMessage = l10n.noAreasShown;
						}
						if ( someRenderedMessage ) {
							noticeContainer.append( $( '<p></p>', {
								text: someRenderedMessage
							} ) );
						}

						noticeContainer.append( $( '<p></p>', {
							text: l10n.navigatePreview
						} ) );
					}
				};
				updateNotice();

				/*
				 * Set the initial visibility state for rendered notice.
				 * Update the visibility of the notice whenever a reflow happens.
				 */
				noticeContainer.toggle( shouldShowNotice() );
				api.previewer.deferred.active.done( function () {
					noticeContainer.toggle( shouldShowNotice() );
				});
				api.bind( 'pane-contents-reflowed', function() {
					var duration = ( 'resolved' === api.previewer.deferred.active.state() ) ? 'fast' : 0;
					updateNotice();
					if ( shouldShowNotice() ) {
						noticeContainer.slideDown( duration );
					} else {
						noticeContainer.slideUp( duration );
					}
				});
			});
		},

		/**
		 * Allow an active widgets panel to be contextually active even when it has no active sections (widget areas).
		 *
		 * This ensures that the widgets panel appears even when there are no
		 * sidebars displayed on the URL currently being previewed.
		 *
		 * @since 4.4.0
		 *
		 * @return {boolean}
		 */
		isContextuallyActive: function() {
			var panel = this;
			return panel.active();
		}
	});

	/**
	 * wp.customize.Widgets.SidebarSection
	 *
	 * Customizer section representing a widget area widget
	 *
	 * @since 4.1.0
	 *
	 * @class    wp.customize.Widgets.SidebarSection
	 * @augments wp.customize.Section
	 */
	api.Widgets.SidebarSection = api.Section.extend(/** @lends wp.customize.Widgets.SidebarSection.prototype */{

		/**
		 * Sync the section's active state back to the Backbone model's is_rendered attribute
		 *
		 * @since 4.1.0
		 */
		ready: function () {
			var section = this, registeredSidebar;
			api.Section.prototype.ready.call( this );
			registeredSidebar = api.Widgets.registeredSidebars.get( section.params.sidebarId );
			section.active.bind( function ( active ) {
				registeredSidebar.set( 'is_rendered', active );
			});
			registeredSidebar.set( 'is_rendered', section.active() );
		}
	});

	/**
	 * wp.customize.Widgets.SidebarControl
	 *
	 * Customizer control for widgets.
	 * Note that 'sidebar_widgets' must match the WP_Widget_Area_Customize_Control::$type
	 *
	 * @since 3.9.0
	 *
	 * @class    wp.customize.Widgets.SidebarControl
	 * @augments wp.customize.Control
	 */
	api.Widgets.SidebarControl = api.Control.extend(/** @lends wp.customize.Widgets.SidebarControl.prototype */{

		/**
		 * Set up the control
		 */
		ready: function() {
			this.$controlSection = this.container.closest( '.control-section' );
			this.$sectionContent = this.container.closest( '.accordion-section-content' );

			this._setupModel();
			this._setupSortable();
			this._setupAddition();
			this._applyCardinalOrderClassNames();
		},

		/**
		 * Update ordering of widget control forms when the setting is updated
		 */
		_setupModel: function() {
			var self = this;

			this.setting.bind( function( newWidgetIds, oldWidgetIds ) {
				var widgetFormControls, removedWidgetIds, priority;

				removedWidgetIds = _( oldWidgetIds ).difference( newWidgetIds );

				// Filter out any persistent widget IDs for widgets which have been deactivated.
				newWidgetIds = _( newWidgetIds ).filter( function( newWidgetId ) {
					var parsedWidgetId = parseWidgetId( newWidgetId );

					return !! api.Widgets.availableWidgets.findWhere( { id_base: parsedWidgetId.id_base } );
				} );

				widgetFormControls = _( newWidgetIds ).map( function( widgetId ) {
					var widgetFormControl = api.Widgets.getWidgetFormControlForWidget( widgetId );

					if ( ! widgetFormControl ) {
						widgetFormControl = self.addWidget( widgetId );
					}

					return widgetFormControl;
				} );

				// Sort widget controls to their new positions.
				widgetFormControls.sort( function( a, b ) {
					var aIndex = _.indexOf( newWidgetIds, a.params.widget_id ),
						bIndex = _.indexOf( newWidgetIds, b.params.widget_id );
					return aIndex - bIndex;
				});

				priority = 0;
				_( widgetFormControls ).each( function ( control ) {
					control.priority( priority );
					control.section( self.section() );
					priority += 1;
				});
				self.priority( priority ); // Make sure sidebar control remains at end.

				// Re-sort widget form controls (including widgets form other sidebars newly moved here).
				self._applyCardinalOrderClassNames();

				// If the widget was dragged into the sidebar, make sure the sidebar_id param is updated.
				_( widgetFormControls ).each( function( widgetFormControl ) {
					widgetFormControl.params.sidebar_id = self.params.sidebar_id;
				} );

				// Cleanup after widget removal.
				_( removedWidgetIds ).each( function( removedWidgetId ) {

					// Using setTimeout so that when moving a widget to another sidebar,
					// the other sidebars_widgets settings get a chance to update.
					setTimeout( function() {
						var removedControl, wasDraggedToAnotherSidebar, inactiveWidgets, removedIdBase,
							widget, isPresentInAnotherSidebar = false;

						// Check if the widget is in another sidebar.
						api.each( function( otherSetting ) {
							if ( otherSetting.id === self.setting.id || 0 !== otherSetting.id.indexOf( 'sidebars_widgets[' ) || otherSetting.id === 'sidebars_widgets[wp_inactive_widgets]' ) {
								return;
							}

							var otherSidebarWidgets = otherSetting(), i;

							i = _.indexOf( otherSidebarWidgets, removedWidgetId );
							if ( -1 !== i ) {
								isPresentInAnotherSidebar = true;
							}
						} );

						// If the widget is present in another sidebar, abort!
						if ( isPresentInAnotherSidebar ) {
							return;
						}

						removedControl = api.Widgets.getWidgetFormControlForWidget( removedWidgetId );

						// Detect if widget control was dragged to another sidebar.
						wasDraggedToAnotherSidebar = removedControl && $.contains( document, removedControl.container[0] ) && ! $.contains( self.$sectionContent[0], removedControl.container[0] );

						// Delete any widget form controls for removed widgets.
						if ( removedControl && ! wasDraggedToAnotherSidebar ) {
							api.control.remove( removedControl.id );
							removedControl.container.remove();
						}

						// Move widget to inactive widgets sidebar (move it to Trash) if has been previously saved.
						// This prevents the inactive widgets sidebar from overflowing with throwaway widgets.
						if ( api.Widgets.savedWidgetIds[removedWidgetId] ) {
							inactiveWidgets = api.value( 'sidebars_widgets[wp_inactive_widgets]' )().slice();
							inactiveWidgets.push( removedWidgetId );
							api.value( 'sidebars_widgets[wp_inactive_widgets]' )( _( inactiveWidgets ).unique() );
						}

						// Make old single widget available for adding again.
						removedIdBase = parseWidgetId( removedWidgetId ).id_base;
						widget = api.Widgets.availableWidgets.findWhere( { id_base: removedIdBase } );
						if ( widget && ! widget.get( 'is_multi' ) ) {
							widget.set( 'is_disabled', false );
						}
					} );

				} );
			} );
		},

		/**
		 * Allow widgets in sidebar to be re-ordered, and for the order to be previewed
		 */
		_setupSortable: function() {
			var self = this;

			this.isReordering = false;

			/**
			 * Update widget order setting when controls are re-ordered
			 */
			this.$sectionContent.sortable( {
				items: '> .customize-control-widget_form',
				handle: '.widget-top',
				axis: 'y',
				tolerance: 'pointer',
				connectWith: '.accordion-section-content:has(.customize-control-sidebar_widgets)',
				update: function() {
					var widgetContainerIds = self.$sectionContent.sortable( 'toArray' ), widgetIds;

					widgetIds = $.map( widgetContainerIds, function( widgetContainerId ) {
						return $( '#' + widgetContainerId ).find( ':input[name=widget-id]' ).val();
					} );

					self.setting( widgetIds );
				}
			} );

			/**
			 * Expand other Customizer sidebar section when dragging a control widget over it,
			 * allowing the control to be dropped into another section
			 */
			this.$controlSection.find( '.accordion-section-title' ).droppable({
				accept: '.customize-control-widget_form',
				over: function() {
					var section = api.section( self.section.get() );
					section.expand({
						allowMultiple: true, // Prevent the section being dragged from to be collapsed.
						completeCallback: function () {
							// @todo It is not clear when refreshPositions should be called on which sections, or if it is even needed.
							api.section.each( function ( otherSection ) {
								if ( otherSection.container.find( '.customize-control-sidebar_widgets' ).length ) {
									otherSection.container.find( '.accordion-section-content:first' ).sortable( 'refreshPositions' );
								}
							} );
						}
					});
				}
			});

			/**
			 * Keyboard-accessible reordering
			 */
			this.container.find( '.reorder-toggle' ).on( 'click', function() {
				self.toggleReordering( ! self.isReordering );
			} );
		},

		/**
		 * Set up UI for adding a new widget
		 */
		_setupAddition: function() {
			var self = this;

			this.container.find( '.add-new-widget' ).on( 'click', function() {
				var addNewWidgetBtn = $( this );

				if ( self.$sectionContent.hasClass( 'reordering' ) ) {
					return;
				}

				if ( ! $( 'body' ).hasClass( 'adding-widget' ) ) {
					addNewWidgetBtn.attr( 'aria-expanded', 'true' );
					api.Widgets.availableWidgetsPanel.open( self );
				} else {
					addNewWidgetBtn.attr( 'aria-expanded', 'false' );
					api.Widgets.availableWidgetsPanel.close();
				}
			} );
		},

		/**
		 * Add classes to the widget_form controls to assist with styling
		 */
		_applyCardinalOrderClassNames: function() {
			var widgetControls = [];
			_.each( this.setting(), function ( widgetId ) {
				var widgetControl = api.Widgets.getWidgetFormControlForWidget( widgetId );
				if ( widgetControl ) {
					widgetControls.push( widgetControl );
				}
			});

			if ( 0 === widgetControls.length || ( 1 === api.Widgets.registeredSidebars.length && widgetControls.length <= 1 ) ) {
				this.container.find( '.reorder-toggle' ).hide();
				return;
			} else {
				this.container.find( '.reorder-toggle' ).show();
			}

			$( widgetControls ).each( function () {
				$( this.container )
					.removeClass( 'first-widget' )
					.removeClass( 'last-widget' )
					.find( '.move-widget-down, .move-widget-up' ).prop( 'tabIndex', 0 );
			});

			_.first( widgetControls ).container
				.addClass( 'first-widget' )
				.find( '.move-widget-up' ).prop( 'tabIndex', -1 );

			_.last( widgetControls ).container
				.addClass( 'last-widget' )
				.find( '.move-widget-down' ).prop( 'tabIndex', -1 );
		},


		/***********************************************************************
		 * Begin public API methods
		 **********************************************************************/

		/**
		 * Enable/disable the reordering UI
		 *
		 * @param {boolean} showOrHide to enable/disable reordering
		 *
		 * @todo We should have a reordering state instead and rename this to onChangeReordering
		 */
		toggleReordering: function( showOrHide ) {
			var addNewWidgetBtn = this.$sectionContent.find( '.add-new-widget' ),
				reorderBtn = this.container.find( '.reorder-toggle' ),
				widgetsTitle = this.$sectionContent.find( '.widget-title' );

			showOrHide = Boolean( showOrHide );

			if ( showOrHide === this.$sectionContent.hasClass( 'reordering' ) ) {
				return;
			}

			this.isReordering = showOrHide;
			this.$sectionContent.toggleClass( 'reordering', showOrHide );

			if ( showOrHide ) {
				_( this.getWidgetFormControls() ).each( function( formControl ) {
					formControl.collapse();
				} );

				addNewWidgetBtn.attr({ 'tabindex': '-1', 'aria-hidden': 'true' });
				reorderBtn.attr( 'aria-label', l10n.reorderLabelOff );
				wp.a11y.speak( l10n.reorderModeOn );
				// Hide widget titles while reordering: title is already in the reorder controls.
				widgetsTitle.attr( 'aria-hidden', 'true' );
			} else {
				addNewWidgetBtn.removeAttr( 'tabindex aria-hidden' );
				reorderBtn.attr( 'aria-label', l10n.reorderLabelOn );
				wp.a11y.speak( l10n.reorderModeOff );
				widgetsTitle.attr( 'aria-hidden', 'false' );
			}
		},

		/**
		 * Get the widget_form Customize controls associated with the current sidebar.
		 *
		 * @since 3.9.0
		 * @return {wp.customize.controlConstructor.widget_form[]}
		 */
		getWidgetFormControls: function() {
			var formControls = [];

			_( this.setting() ).each( function( widgetId ) {
				var settingId = widgetIdToSettingId( widgetId ),
					formControl = api.control( settingId );
				if ( formControl ) {
					formControls.push( formControl );
				}
			} );

			return formControls;
		},

		/**
		 * @param {string} widgetId or an id_base for adding a previously non-existing widget.
		 * @return {Object|false} widget_form control instance, or false on error.
		 */
		addWidget: function( widgetId ) {
			var self = this, controlHtml, $widget, controlType = 'widget_form', controlContainer, controlConstructor,
				parsedWidgetId = parseWidgetId( widgetId ),
				widgetNumber = parsedWidgetId.number,
				widgetIdBase = parsedWidgetId.id_base,
				widget = api.Widgets.availableWidgets.findWhere( {id_base: widgetIdBase} ),
				settingId, isExistingWidget, widgetFormControl, sidebarWidgets, settingArgs, setting;

			if ( ! widget ) {
				return false;
			}

			if ( widgetNumber && ! widget.get( 'is_multi' ) ) {
				return false;
			}

			// Set up new multi widget.
			if ( widget.get( 'is_multi' ) && ! widgetNumber ) {
				widget.set( 'multi_number', widget.get( 'multi_number' ) + 1 );
				widgetNumber = widget.get( 'multi_number' );
			}

			controlHtml = $( '#widget-tpl-' + widget.get( 'id' ) ).html().trim();
			if ( widget.get( 'is_multi' ) ) {
				controlHtml = controlHtml.replace( /<[^<>]+>/g, function( m ) {
					return m.replace( /__i__|%i%/g, widgetNumber );
				} );
			} else {
				widget.set( 'is_disabled', true ); // Prevent single widget from being added again now.
			}

			$widget = $( controlHtml );

			controlContainer = $( '<li/>' )
				.addClass( 'customize-control' )
				.addClass( 'customize-control-' + controlType )
				.append( $widget );

			// Remove icon which is visible inside the panel.
			controlContainer.find( '> .widget-icon' ).remove();

			if ( widget.get( 'is_multi' ) ) {
				controlContainer.find( 'input[name="widget_number"]' ).val( widgetNumber );
				controlContainer.find( 'input[name="multi_number"]' ).val( widgetNumber );
			}

			widgetId = controlContainer.find( '[name="widget-id"]' ).val();

			controlContainer.hide(); // To be slid-down below.

			settingId = 'widget_' + widget.get( 'id_base' );
			if ( widget.get( 'is_multi' ) ) {
				settingId += '[' + widgetNumber + ']';
			}
			controlContainer.attr( 'id', 'customize-control-' + settingId.replace( /\]/g, '' ).replace( /\[/g, '-' ) );

			// Only create setting if it doesn't already exist (if we're adding a pre-existing inactive widget).
			isExistingWidget = api.has( settingId );
			if ( ! isExistingWidget ) {
				settingArgs = {
					transport: api.Widgets.data.selectiveRefreshableWidgets[ widget.get( 'id_base' ) ] ? 'postMessage' : 'refresh',
					previewer: this.setting.previewer
				};
				setting = api.create( settingId, settingId, '', settingArgs );
				setting.set( {} ); // Mark dirty, changing from '' to {}.
			}

			controlConstructor = api.controlConstructor[controlType];
			widgetFormControl = new controlConstructor( settingId, {
				settings: {
					'default': settingId
				},
				content: controlContainer,
				sidebar_id: self.params.sidebar_id,
				widget_id: widgetId,
				widget_id_base: widget.get( 'id_base' ),
				type: controlType,
				is_new: ! isExistingWidget,
				width: widget.get( 'width' ),
				height: widget.get( 'height' ),
				is_wide: widget.get( 'is_wide' )
			} );
			api.control.add( widgetFormControl );

			// Make sure widget is removed from the other sidebars.
			api.each( function( otherSetting ) {
				if ( otherSetting.id === self.setting.id ) {
					return;
				}

				if ( 0 !== otherSetting.id.indexOf( 'sidebars_widgets[' ) ) {
					return;
				}

				var otherSidebarWidgets = otherSetting().slice(),
					i = _.indexOf( otherSidebarWidgets, widgetId );

				if ( -1 !== i ) {
					otherSidebarWidgets.splice( i );
					otherSetting( otherSidebarWidgets );
				}
			} );

			// Add widget to this sidebar.
			sidebarWidgets = this.setting().slice();
			if ( -1 === _.indexOf( sidebarWidgets, widgetId ) ) {
				sidebarWidgets.push( widgetId );
				this.setting( sidebarWidgets );
			}

			controlContainer.slideDown( function() {
				if ( isExistingWidget ) {
					widgetFormControl.updateWidget( {
						instance: widgetFormControl.setting()
					} );
				}
			} );

			return widgetFormControl;
		}
	} );

	// Register models for custom panel, section, and control types.
	$.extend( api.panelConstructor, {
		widgets: api.Widgets.WidgetsPanel
	});
	$.extend( api.sectionConstructor, {
		sidebar: api.Widgets.SidebarSection
	});
	$.extend( api.controlConstructor, {
		widget_form: api.Widgets.WidgetControl,
		sidebar_widgets: api.Widgets.SidebarControl
	});

	/**
	 * Init Customizer for widgets.
	 */
	api.bind( 'ready', function() {
		// Set up the widgets panel.
		api.Widgets.availableWidgetsPanel = new api.Widgets.AvailableWidgetsPanelView({
			collection: api.Widgets.availableWidgets
		});

		// Highlight widget control.
		api.previewer.bind( 'highlight-widget-control', api.Widgets.highlightWidgetFormControl );

		// Open and focus widget control.
		api.previewer.bind( 'focus-widget-control', api.Widgets.focusWidgetFormControl );
	} );

	/**
	 * Highlight a widget control.
	 *
	 * @param {string} widgetId
	 */
	api.Widgets.highlightWidgetFormControl = function( widgetId ) {
		var control = api.Widgets.getWidgetFormControlForWidget( widgetId );

		if ( control ) {
			control.highlightSectionAndControl();
		}
	},

	/**
	 * Focus a widget control.
	 *
	 * @param {string} widgetId
	 */
	api.Widgets.focusWidgetFormControl = function( widgetId ) {
		var control = api.Widgets.getWidgetFormControlForWidget( widgetId );

		if ( control ) {
			control.focus();
		}
	},

	/**
	 * Given a widget control, find the sidebar widgets control that contains it.
	 * @param {string} widgetId
	 * @return {Object|null}
	 */
	api.Widgets.getSidebarWidgetControlContainingWidget = function( widgetId ) {
		var foundControl = null;

		// @todo This can use widgetIdToSettingId(), then pass into wp.customize.control( x ).getSidebarWidgetsControl().
		api.control.each( function( control ) {
			if ( control.params.type === 'sidebar_widgets' && -1 !== _.indexOf( control.setting(), widgetId ) ) {
				foundControl = control;
			}
		} );

		return foundControl;
	};

	/**
	 * Given a widget ID for a widget appearing in the preview, get the widget form control associated with it.
	 *
	 * @param {string} widgetId
	 * @return {Object|null}
	 */
	api.Widgets.getWidgetFormControlForWidget = function( widgetId ) {
		var foundControl = null;

		// @todo We can just use widgetIdToSettingId() here.
		api.control.each( function( control ) {
			if ( control.params.type === 'widget_form' && control.params.widget_id === widgetId ) {
				foundControl = control;
			}
		} );

		return foundControl;
	};

	/**
	 * Initialize Edit Menu button in Nav Menu widget.
	 */
	$( document ).on( 'widget-added', function( event, widgetContainer ) {
		var parsedWidgetId, widgetControl, navMenuSelect, editMenuButton;
		parsedWidgetId = parseWidgetId( widgetContainer.find( '> .widget-inside > .form > .widget-id' ).val() );
		if ( 'nav_menu' !== parsedWidgetId.id_base ) {
			return;
		}
		widgetControl = api.control( 'widget_nav_menu[' + String( parsedWidgetId.number ) + ']' );
		if ( ! widgetControl ) {
			return;
		}
		navMenuSelect = widgetContainer.find( 'select[name*="nav_menu"]' );
		editMenuButton = widgetContainer.find( '.edit-selected-nav-menu > button' );
		if ( 0 === navMenuSelect.length || 0 === editMenuButton.length ) {
			return;
		}
		navMenuSelect.on( 'change', function() {
			if ( api.section.has( 'nav_menu[' + navMenuSelect.val() + ']' ) ) {
				editMenuButton.parent().show();
			} else {
				editMenuButton.parent().hide();
			}
		});
		editMenuButton.on( 'click', function() {
			var section = api.section( 'nav_menu[' + navMenuSelect.val() + ']' );
			if ( section ) {
				focusConstructWithBreadcrumb( section, widgetControl );
			}
		} );
	} );

	/**
	 * Focus (expand) one construct and then focus on another construct after the first is collapsed.
	 *
	 * This overrides the back button to serve the purpose of breadcrumb navigation.
	 *
	 * @param {wp.customize.Section|wp.customize.Panel|wp.customize.Control} focusConstruct - The object to initially focus.
	 * @param {wp.customize.Section|wp.customize.Panel|wp.customize.Control} returnConstruct - The object to return focus.
	 */
	function focusConstructWithBreadcrumb( focusConstruct, returnConstruct ) {
		focusConstruct.focus();
		function onceCollapsed( isExpanded ) {
			if ( ! isExpanded ) {
				focusConstruct.expanded.unbind( onceCollapsed );
				returnConstruct.focus();
			}
		}
		focusConstruct.expanded.bind( onceCollapsed );
	}

	/**
	 * @param {string} widgetId
	 * @return {Object}
	 */
	function parseWidgetId( widgetId ) {
		var matches, parsed = {
			number: null,
			id_base: null
		};

		matches = widgetId.match( /^(.+)-(\d+)$/ );
		if ( matches ) {
			parsed.id_base = matches[1];
			parsed.number = parseInt( matches[2], 10 );
		} else {
			// Likely an old single widget.
			parsed.id_base = widgetId;
		}

		return parsed;
	}

	/**
	 * @param {string} widgetId
	 * @return {string} settingId
	 */
	function widgetIdToSettingId( widgetId ) {
		var parsed = parseWidgetId( widgetId ), settingId;

		settingId = 'widget_' + parsed.id_base;
		if ( parsed.number ) {
			settingId += '[' + parsed.number + ']';
		}

		return settingId;
	}

})( window.wp, jQuery );
PK       ! �0�      svg-painter.min.jsnu �[���        /*! This file is auto-generated */
window.wp=window.wp||{},wp.svgPainter=function(a,i){"use strict";var n,t,s={},o=[];return a(function(){wp.svgPainter.init()}),{init:function(){t=this,n=a("#adminmenu .wp-menu-image, #wpadminbar .ab-item"),t.setColors(),t.findElements(),t.paint()},setColors:function(n){(n=void 0===n&&void 0!==i._wpColorScheme?i._wpColorScheme:n)&&n.icons&&n.icons.base&&n.icons.current&&n.icons.focus&&(s=n.icons)},findElements:function(){n.each(function(){var n=a(this),e=n.css("background-image");e&&-1!=e.indexOf("data:image/svg+xml;base64")&&o.push(n)})},paint:function(){a.each(o,function(n,e){var a=e.parent().parent();a.hasClass("current")||a.hasClass("wp-has-current-submenu")?t.paintElement(e,"current"):(t.paintElement(e,"base"),a.on("mouseenter",function(){t.paintElement(e,"focus")}).on("mouseleave",function(){i.setTimeout(function(){t.paintElement(e,"base")},100)}))})},paintElement:function(n,e){var a,t;if(e&&s.hasOwnProperty(e)&&(e=s[e]).match(/^(#[0-9a-f]{3}|#[0-9a-f]{6})$/i)&&"none"!==(a=n.data("wp-ui-svg-"+e))){if(!a){if(!(t=n.css("background-image").match(/.+data:image\/svg\+xml;base64,([A-Za-z0-9\+\/\=]+)/))||!t[1])return void n.data("wp-ui-svg-"+e,"none");try{a=i.atob(t[1])}catch(n){}if(!a)return void n.data("wp-ui-svg-"+e,"none");a=(a=(a=a.replace(/fill="(.+?)"/g,'fill="'+e+'"')).replace(/style="(.+?)"/g,'style="fill:'+e+'"')).replace(/fill:.*?;/g,"fill: "+e+";"),a=i.btoa(a),n.data("wp-ui-svg-"+e,a)}n.attr("style",'background-image: url("data:image/svg+xml;base64,'+a+'") !important;')}}}}(jQuery,window,document);PK       ! �W�.l  l    set-post-thumbnail.jsnu �[���        /**
 * @output wp-admin/js/set-post-thumbnail.js
 */

/* global ajaxurl, post_id, alert */
/* exported WPSetAsThumbnail */

window.WPSetAsThumbnail = function( id, nonce ) {
	var $link = jQuery('a#wp-post-thumbnail-' + id);

	$link.text( wp.i18n.__( 'Saving…' ) );
	jQuery.post(ajaxurl, {
		action: 'set-post-thumbnail', post_id: post_id, thumbnail_id: id, _ajax_nonce: nonce, cookie: encodeURIComponent( document.cookie )
	}, function(str){
		var win = window.dialogArguments || opener || parent || top;
		$link.text( wp.i18n.__( 'Use as featured image' ) );
		if ( str == '0' ) {
			alert( wp.i18n.__( 'Could not set that as the thumbnail image. Try a different attachment.' ) );
		} else {
			jQuery('a.wp-post-thumbnail').show();
			$link.text( wp.i18n.__( 'Done' ) );
			$link.fadeOut( 2000 );
			win.WPSetThumbnailID(id);
			win.WPSetThumbnailHTML(str);
		}
	}
	);
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t=this;this.$search=h("#widgets-search"),this.$clearResults=this.$el.find(".clear-results"),_.bindAll(this,"close"),this.listenTo(this.collection,"change",this.updateList),this.updateList(),this.searchMatchesCount=this.collection.length,h("#customize-controls, #available-widgets .customize-section-title").on("click keydown",function(e){e=h(e.target).is(".add-new-widget, .add-new-widget *");h("body").hasClass("adding-widget")&&!e&&t.close()}),this.$clearResults.on("click",function(){t.$search.val("").trigger("focus").trigger("input")}),p.previewer.bind("url",this.close)},search:_.debounce(function(e){var t;this.collection.doSearch(e.target.value),this.updateSearchMatchesCount(),this.announceSearchMatches(),this.selected&&!this.selected.is(":visible")&&(this.selected.removeClass("selected"),this.selected=null),this.selected&&!e.target.value&&(this.selected.removeClass("selected"),this.selected=null),!this.selected&&e.target.value&&(t=this.$el.find("> 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t=h("#widget-tpl-"+e.id);t.toggle(e.get("search_matched")&&!e.get("is_disabled")),e.get("is_disabled")&&t.is(this.selected)&&(this.selected=null)})},select:function(e){this.selected=h(e),this.selected.siblings(".widget-tpl").removeClass("selected"),this.selected.addClass("selected")},focus:function(e){this.select(h(e.currentTarget))},_submit:function(e){"keypress"===e.type&&13!==e.which&&32!==e.which||this.submit(h(e.currentTarget))},submit:function(e){(e=e||this.selected)&&this.currentSidebarControl&&(this.select(e),e=h(this.selected).data("widget-id"),e=this.collection.findWhere({id:e}))&&((e=this.currentSidebarControl.addWidget(e.get("id_base")))&&e.focus(),this.close())},open:function(e){this.currentSidebarControl=e,_(this.currentSidebarControl.getWidgetFormControls()).each(function(e){e.params.is_wide&&e.collapseForm()}),p.section.has("publish_settings")&&p.section("publish_settings").collapse(),h("body").addClass("adding-widget"),this.$el.find(".selected").removeClass("selected"),this.collection.doSearch(""),p.settings.browser.mobile||this.$search.trigger("focus")},close:function(e){(e=e||{}).returnFocus&&this.currentSidebarControl&&this.currentSidebarControl.container.find(".add-new-widget").focus(),this.currentSidebarControl=null,this.selected=null,h("body").removeClass("adding-widget"),this.$search.val("").trigger("input")},keyboardAccessible:function(e){var t=13===e.which,i=27===e.which,n=40===e.which,s=38===e.which,d=9===e.which,a=e.shiftKey,o=null,r=this.$el.find("> .widget-tpl:visible:first"),l=this.$el.find("> .widget-tpl:visible:last"),c=h(e.target).is(this.$search),g=h(e.target).is(".widget-tpl:visible:last");n||s?(n?c?o=r:this.selected&&0!==this.selected.nextAll(".widget-tpl:visible").length&&(o=this.selected.nextAll(".widget-tpl:visible:first")):s&&(c?o=l:this.selected&&0!==this.selected.prevAll(".widget-tpl:visible").length&&(o=this.selected.prevAll(".widget-tpl:visible:first"))),this.select(o),(o||this.$search).trigger("focus")):t&&!this.$search.val()||(t?this.submit():i&&this.close({returnFocus:!0}),this.currentSidebarControl&&d&&(a&&c||!a&&g)&&(this.currentSidebarControl.container.find(".add-new-widget").focus(),e.preventDefault()))}}),p.Widgets.formSyncHandlers={rss:function(e,t,i){var n=t.find(".widget-error:first"),i=h("<div>"+i+"</div>").find(".widget-error:first");n.length&&i.length?n.replaceWith(i):n.length?n.remove():i.length&&t.find(".widget-content:first").prepend(i)}},p.Widgets.WidgetControl=p.Control.extend({defaultExpandedArguments:{duration:"fast",completeCallback:h.noop},initialize:function(e,t){var i=this;i.widgetControlEmbedded=!1,i.widgetContentEmbedded=!1,i.expanded=new p.Value(!1),i.expandedArgumentsQueue=[],i.expanded.bind(function(e){var t=i.expandedArgumentsQueue.shift(),t=h.extend({},i.defaultExpandedArguments,t);i.onChangeExpanded(e,t)}),i.altNotice=!0,p.Control.prototype.initialize.call(i,e,t)},ready:function(){var n=this;n.section()?p.section(n.section(),function(t){function i(e){e&&(n.embedWidgetControl(),t.expanded.unbind(i))}t.expanded()?i(!0):t.expanded.bind(i)}):n.embedWidgetControl()},embedWidgetControl:function(){var e,t=this;t.widgetControlEmbedded||(t.widgetControlEmbedded=!0,e=h(t.params.widget_control),t.container.append(e),t._setupModel(),t._setupWideWidget(),t._setupControlToggle(),t._setupWidgetTitle(),t._setupReorderUI(),t._setupHighlightEffects(),t._setupUpdateUI(),t._setupRemoveUI())},embedWidgetContent:function(){var e,t=this;t.embedWidgetControl(),t.widgetContentEmbedded||(t.widgetContentEmbedded=!0,t.notifications.container=t.getNotificationsContainerElement(),t.notifications.render(),e=h(t.params.widget_content),t.container.find(".widget-content:first").append(e),h(document).trigger("widget-added",[t.container.find(".widget:first")]))},_setupModel:function(){var i=this,e=function(){p.Widgets.savedWidgetIds[i.params.widget_id]=!0};p.bind("ready",e),p.bind("saved",e),this._updateCount=0,this.isWidgetUpdating=!1,this.liveUpdateMode=!0,this.setting.bind(function(e,t){_(t).isEqual(e)||i.isWidgetUpdating||i.updateWidget({instance:e})})},_setupWideWidget:function(){var n,s,e,t,i,d=this;!this.params.is_wide||h(window).width()<=640||(n=this.container.find(".widget-inside"),s=n.find("> .form"),e=h(".wp-full-overlay-sidebar-content:first"),this.container.addClass("wide-widget-control"),this.container.find(".form:first").css({"max-width":this.params.width,"min-height":this.params.height}),i=function(){var e=d.container.offset().top,t=h(window).height(),i=s.outerHeight();n.css("max-height",t),e=Math.max(0,Math.min(Math.max(e,0),t-i)),n.css("top",e)},t=h("#customize-theme-controls"),this.container.on("expand",function(){i(),e.on("scroll",i),h(window).on("resize",i),t.on("expanded collapsed",i)}),this.container.on("collapsed",function(){e.off("scroll",i),h(window).off("resize",i),t.off("expanded collapsed",i)}),p.each(function(e){0===e.id.indexOf("sidebars_widgets[")&&e.bind(function(){d.container.hasClass("expanded")&&i()})}))},_setupControlToggle:function(){var t=this;this.container.find(".widget-top").on("click",function(e){e.preventDefault(),t.getSidebarWidgetsControl().isReordering||t.expanded(!t.expanded())}),this.container.find(".widget-control-close").on("click",function(){t.collapse(),t.container.find(".widget-top .widget-action:first").focus()})},_setupWidgetTitle:function(){var i=this,e=function(){var e=i.setting().title,t=i.container.find(".in-widget-title");e?t.text(": "+e):t.text("")};this.setting.bind(e),e()},_setupReorderUI:function(){var t,e,d=this,s=function(e){e.siblings(".selected").removeClass("selected"),e.addClass("selected");e=e.data("id")===d.params.sidebar_id;d.container.find(".move-widget-btn").prop("disabled",e)};this.container.find(".widget-title-action").after(h(p.Widgets.data.tpl.widgetReorderNav)),e=_.template(p.Widgets.data.tpl.moveWidgetArea),t=h(e({sidebars:_(p.Widgets.registeredSidebars.toArray()).pluck("attributes")})),this.container.find(".widget-top").after(t),(e=function(){var e=t.find("li"),i=0,n=e.filter(function(){return h(this).data("id")===d.params.sidebar_id});e.each(function(){var e=h(this),t=e.data("id"),t=p.Widgets.registeredSidebars.get(t).get("is_rendered");e.toggle(t),t&&(i+=1),e.hasClass("selected")&&!t&&s(n)}),1<i?d.container.find(".move-widget").show():d.container.find(".move-widget").hide()})(),p.Widgets.registeredSidebars.on("change:is_rendered",e),this.container.find(".widget-reorder-nav").find(".move-widget, .move-widget-down, .move-widget-up").each(function(){h(this).prepend(d.container.find(".widget-title").text()+": ")}).on("click keypress",function(e){var t,i;"keypress"===e.type&&13!==e.which&&32!==e.which||(h(this).trigger("focus"),h(this).is(".move-widget")?d.toggleWidgetMoveArea():(e=h(this).is(".move-widget-down"),t=h(this).is(".move-widget-up"),i=d.getWidgetSidebarPosition(),t&&0===i||e&&i===d.getSidebarWidgetsControl().setting().length-1||(t?(d.moveUp(),u.a11y.speak(f.widgetMovedUp)):(d.moveDown(),u.a11y.speak(f.widgetMovedDown)),h(this).trigger("focus"))))}),this.container.find(".widget-area-select").on("click keypress","li",function(e){"keypress"===e.type&&13!==e.which&&32!==e.which||(e.preventDefault(),s(h(this)))}),this.container.find(".move-widget-btn").click(function(){d.getSidebarWidgetsControl().toggleReordering(!1);var e=d.params.sidebar_id,t=d.container.find(".widget-area-select li.selected").data("id"),e=p("sidebars_widgets["+e+"]"),t=p("sidebars_widgets["+t+"]"),i=Array.prototype.slice.call(e()),n=Array.prototype.slice.call(t()),s=d.getWidgetSidebarPosition();i.splice(s,1),n.push(d.params.widget_id),e(i),t(n),d.focus()})},_setupHighlightEffects:function(){var e=this;this.container.on("mouseenter click",function(){e.setting.previewer.send("highlight-widget",e.params.widget_id)}),this.setting.bind(function(){e.setting.previewer.send("highlight-widget",e.params.widget_id)})},_setupUpdateUI:function(){var t,i,n=this,s=this.container.find(".widget:first"),e=s.find(".widget-content:first"),d=this.container.find(".widget-control-save");d.val(f.saveBtnLabel),d.attr("title",f.saveBtnTooltip),d.removeClass("button-primary"),d.on("click",function(e){e.preventDefault(),n.updateWidget({disable_form:!0})}),t=_.debounce(function(){n.updateWidget()},250),e.on("keydown","input",function(e){13===e.which&&(e.preventDefault(),n.updateWidget({ignoreActiveElement:!0}))}),e.on("change input propertychange",":input",function(e){n.liveUpdateMode&&("change"===e.type||this.checkValidity&&this.checkValidity())&&t()}),this.setting.previewer.channel.bind("synced",function(){n.container.removeClass("previewer-loading")}),p.previewer.bind("widget-updated",function(e){e===n.params.widget_id&&n.container.removeClass("previewer-loading")}),(i=p.Widgets.formSyncHandlers[this.params.widget_id_base])&&h(document).on("widget-synced",function(e,t){s.is(t)&&i.apply(document,arguments)})},onChangeActive:function(e,t){this.container.toggleClass("widget-rendered",e),t.completeCallback&&t.completeCallback()},_setupRemoveUI:function(){var e,s=this,t=this.container.find(".widget-control-remove");t.on("click",function(){var n=s.container.next().is(".customize-control-widget_form")?s.container.next().find(".widget-action:first"):s.container.prev().is(".customize-control-widget_form")?s.container.prev().find(".widget-action:first"):s.container.next(".customize-control-sidebar_widgets").find(".add-new-widget:first");s.container.slideUp(function(){var e,t,i=p.Widgets.getSidebarWidgetControlContainingWidget(s.params.widget_id);i&&(e=i.setting().slice(),-1!==(t=_.indexOf(e,s.params.widget_id)))&&(e.splice(t,1),i.setting(e),n.focus())})}),e=function(){t.text(f.removeBtnLabel),t.attr("title",f.removeBtnTooltip)},this.params.is_new?p.bind("saved",e):e()},_getInputs:function(e){return h(e).find(":input[name]")},_getInputsSignature:function(e){return _(e).map(function(e){e=h(e),e=e.is(":checkbox, :radio")?[e.attr("id"),e.attr("name"),e.prop("value")]:[e.attr("id"),e.attr("name")];return e.join(",")}).join(";")},_getInputState:function(e){return(e=h(e)).is(":radio, :checkbox")?e.prop("checked"):e.is("select[multiple]")?e.find("option:selected").map(function(){return h(this).val()}).get():e.val()},_setInputState:function(e,t){(e=h(e)).is(":radio, :checkbox")?e.prop("checked",t):e.is("select[multiple]")?(t=Array.isArray(t)?_.map(t,function(e){return String(e)}):[],e.find("option").each(function(){h(this).prop("selected",-1!==_.indexOf(t,String(this.value)))})):e.val(t)},getSidebarWidgetsControl:function(){var e="sidebars_widgets["+this.params.sidebar_id+"]",e=p.control(e);if(e)return e},updateWidget:function(s){var d,a,o,r,e,l,t,i,c,g=this;g.embedWidgetContent(),i=(s=h.extend({instance:null,complete:null,ignoreActiveElement:!1},s)).instance,d=s.complete,this._updateCount+=1,r=this._updateCount,a=this.container.find(".widget:first"),(o=a.find(".widget-content:first")).find(".widget-error").remove(),this.container.addClass("widget-form-loading"),this.container.addClass("previewer-loading"),(t=p.state("processing"))(t()+1),this.liveUpdateMode||this.container.addClass("widget-form-disabled"),(e={action:"update-widget",wp_customize:"on"}).nonce=p.settings.nonce["update-widget"],e.customize_theme=p.settings.theme.stylesheet,e.customized=u.customize.previewer.query().customized,e=h.param(e),(l=this._getInputs(o)).each(function(){h(this).data("state"+r,g._getInputState(this))}),e=(e+=i?"&"+h.param({sanitized_widget_setting:JSON.stringify(i)}):"&"+l.serialize())+"&"+o.find("~ :input").serialize(),this._previousUpdateRequest&&this._previousUpdateRequest.abort(),i=h.post(u.ajax.settings.url,e),(this._previousUpdateRequest=i).done(function(e){var n,t,i=!1;"0"===e?(p.previewer.preview.iframe.hide(),p.previewer.login().done(function(){g.updateWidget(s),p.previewer.preview.iframe.show()})):"-1"===e?p.previewer.cheatin():e.success?(t=h("<div>"+e.data.form+"</div>"),n=g._getInputs(t),(t=g._getInputsSignature(l)===g._getInputsSignature(n))&&!g.liveUpdateMode&&(g.liveUpdateMode=!0,g.container.removeClass("widget-form-disabled"),g.container.find('input[name="savewidget"]').hide()),t&&g.liveUpdateMode?(l.each(function(e){var t=h(this),e=h(n[e]),i=t.data("state"+r),e=g._getInputState(e);t.data("sanitized",e),_.isEqual(i,e)||!s.ignoreActiveElement&&t.is(document.activeElement)||g._setInputState(t,e)}),h(document).trigger("widget-synced",[a,e.data.form])):g.liveUpdateMode?(g.liveUpdateMode=!1,g.container.find('input[name="savewidget"]').show(),i=!0):(o.html(e.data.form),g.container.removeClass("widget-form-disabled"),h(document).trigger("widget-updated",[a])),(c=!i&&!_(g.setting()).isEqual(e.data.instance))?(g.isWidgetUpdating=!0,g.setting(e.data.instance),g.isWidgetUpdating=!1):g.container.removeClass("previewer-loading"),d&&d.call(g,null,{noChange:!c,ajaxFinished:!0})):(t=f.error,e.data&&e.data.message&&(t=e.data.message),d?d.call(g,t):o.prepend('<p class="widget-error"><strong>'+t+"</strong></p>"))}),i.fail(function(e,t){d&&d.call(g,t)}),i.always(function(){g.container.removeClass("widget-form-loading"),l.each(function(){h(this).removeData("state"+r)}),t(t()-1)})},expandControlSection:function(){p.Control.prototype.expand.call(this)},_toggleExpanded:p.Section.prototype._toggleExpanded,expand:p.Section.prototype.expand,expandForm:function(){this.expand()},collapse:p.Section.prototype.collapse,collapseForm:function(){this.collapse()},toggleForm:function(e){void 0===e&&(e=!this.expanded()),this.expanded(e)},onChangeExpanded:function(e,t){var i,n,s,d,a,o=this;o.embedWidgetControl(),e&&o.embedWidgetContent(),t.unchanged?e&&p.Control.prototype.expand.call(o,{completeCallback:t.completeCallback}):(i=this.container.find("div.widget:first"),n=i.find(".widget-inside:first"),e=function(){p.control.each(function(e){o.params.type===e.params.type&&o!==e&&e.collapse()}),s=function(){o.container.removeClass("expanding"),o.container.addClass("expanded"),i.addClass("open"),a.attr("aria-expanded","true"),o.container.trigger("expanded")},t.completeCallback&&(d=s,s=function(){d(),t.completeCallback()}),o.params.is_wide?n.fadeIn(t.duration,s):n.slideDown(t.duration,s),o.container.trigger("expand"),o.container.addClass("expanding")},"false"===(a=this.container.find(".widget-top button.widget-action")).attr("aria-expanded")?p.section.has(o.section())?p.section(o.section()).expand({completeCallback:e}):e():(s=function(){o.container.removeClass("collapsing"),o.container.removeClass("expanded"),i.removeClass("open"),a.attr("aria-expanded","false"),o.container.trigger("collapsed")},t.completeCallback&&(d=s,s=function(){d(),t.completeCallback()}),o.container.trigger("collapse"),o.container.addClass("collapsing"),o.params.is_wide?n.fadeOut(t.duration,s):n.slideUp(t.duration,function(){i.css({width:"",margin:""}),s()})))},getWidgetSidebarPosition:function(){var e=this.getSidebarWidgetsControl().setting(),e=_.indexOf(e,this.params.widget_id);if(-1!==e)return e},moveUp:function(){this._moveWidgetByOne(-1)},moveDown:function(){this._moveWidgetByOne(1)},_moveWidgetByOne:function(e){var t=this.getWidgetSidebarPosition(),i=this.getSidebarWidgetsControl().setting,n=Array.prototype.slice.call(i()),s=n[t+e];n[t+e]=this.params.widget_id,n[t]=s,i(n)},toggleWidgetMoveArea:function(e){var t=this,i=this.container.find(".move-widget-area");(e=void 0===e?!i.hasClass("active"):e)&&(i.find(".selected").removeClass("selected"),i.find("li").filter(function(){return h(this).data("id")===t.params.sidebar_id}).addClass("selected"),this.container.find(".move-widget-btn").prop("disabled",!0)),i.toggleClass("active",e)},highlightSectionAndControl:function(){var e=this.container.is(":hidden")?this.container.closest(".control-section"):this.container;h(".highlighted").removeClass("highlighted"),e.addClass("highlighted"),setTimeout(function(){e.removeClass("highlighted")},500)}}),p.Widgets.WidgetsPanel=p.Panel.extend({ready:function(){var d=this;p.Panel.prototype.ready.call(d),d.deferred.embedded.done(function(){var t,i,n,e=d.container.find(".panel-meta"),s=h("<div></div>",{class:"no-widget-areas-rendered-notice",role:"alert"});e.append(s),i=function(){return _.filter(d.sections(),function(e){return"sidebar"===e.params.type&&e.active()}).length},n=function(){var e=i();return 0===e||e!==p.Widgets.data.registeredSidebars.length},(t=function(){var e,t=i();s.empty(),t!==(e=p.Widgets.data.registeredSidebars.length)&&((e=0!==t?f.someAreasShown[e-t]:f.noAreasShown)&&s.append(h("<p></p>",{text:e})),s.append(h("<p></p>",{text:f.navigatePreview})))})(),s.toggle(n()),p.previewer.deferred.active.done(function(){s.toggle(n())}),p.bind("pane-contents-reflowed",function(){var e="resolved"===p.previewer.deferred.active.state()?"fast":0;t(),n()?s.slideDown(e):s.slideUp(e)})})},isContextuallyActive:function(){return this.active()}}),p.Widgets.SidebarSection=p.Section.extend({ready:function(){var t;p.Section.prototype.ready.call(this),t=p.Widgets.registeredSidebars.get(this.params.sidebarId),this.active.bind(function(e){t.set("is_rendered",e)}),t.set("is_rendered",this.active())}}),p.Widgets.SidebarControl=p.Control.extend({ready:function(){this.$controlSection=this.container.closest(".control-section"),this.$sectionContent=this.container.closest(".accordion-section-content"),this._setupModel(),this._setupSortable(),this._setupAddition(),this._applyCardinalOrderClassNames()},_setupModel:function(){var s=this;this.setting.bind(function(i,e){var t,n,e=_(e).difference(i);i=_(i).filter(function(e){e=c(e);return!!p.Widgets.availableWidgets.findWhere({id_base:e.id_base})}),(t=_(i).map(function(e){return p.Widgets.getWidgetFormControlForWidget(e)||s.addWidget(e)})).sort(function(e,t){return _.indexOf(i,e.params.widget_id)-_.indexOf(i,t.params.widget_id)}),n=0,_(t).each(function(e){e.priority(n),e.section(s.section()),n+=1}),s.priority(n),s._applyCardinalOrderClassNames(),_(t).each(function(e){e.params.sidebar_id=s.params.sidebar_id}),_(e).each(function(n){setTimeout(function(){var e,t,i=!1;p.each(function(e){e.id!==s.setting.id&&0===e.id.indexOf("sidebars_widgets[")&&"sidebars_widgets[wp_inactive_widgets]"!==e.id&&(e=e(),-1!==_.indexOf(e,n))&&(i=!0)}),i||(t=(e=p.Widgets.getWidgetFormControlForWidget(n))&&h.contains(document,e.container[0])&&!h.contains(s.$sectionContent[0],e.container[0]),e&&!t&&(p.control.remove(e.id),e.container.remove()),p.Widgets.savedWidgetIds[n]&&((t=p.value("sidebars_widgets[wp_inactive_widgets]")().slice()).push(n),p.value("sidebars_widgets[wp_inactive_widgets]")(_(t).unique())),e=c(n).id_base,(t=p.Widgets.availableWidgets.findWhere({id_base:e}))&&!t.get("is_multi")&&t.set("is_disabled",!1))})})})},_setupSortable:function(){var t=this;this.isReordering=!1,this.$sectionContent.sortable({items:"> .customize-control-widget_form",handle:".widget-top",axis:"y",tolerance:"pointer",connectWith:".accordion-section-content:has(.customize-control-sidebar_widgets)",update:function(){var e=t.$sectionContent.sortable("toArray"),e=h.map(e,function(e){return h("#"+e).find(":input[name=widget-id]").val()});t.setting(e)}}),this.$controlSection.find(".accordion-section-title").droppable({accept:".customize-control-widget_form",over:function(){p.section(t.section.get()).expand({allowMultiple:!0,completeCallback:function(){p.section.each(function(e){e.container.find(".customize-control-sidebar_widgets").length&&e.container.find(".accordion-section-content:first").sortable("refreshPositions")})}})}}),this.container.find(".reorder-toggle").on("click",function(){t.toggleReordering(!t.isReordering)})},_setupAddition:function(){var t=this;this.container.find(".add-new-widget").on("click",function(){var e=h(this);t.$sectionContent.hasClass("reordering")||(h("body").hasClass("adding-widget")?(e.attr("aria-expanded","false"),p.Widgets.availableWidgetsPanel.close()):(e.attr("aria-expanded","true"),p.Widgets.availableWidgetsPanel.open(t)))})},_applyCardinalOrderClassNames:function(){var t=[];_.each(this.setting(),function(e){e=p.Widgets.getWidgetFormControlForWidget(e);e&&t.push(e)}),0===t.length||1===p.Widgets.registeredSidebars.length&&t.length<=1?this.container.find(".reorder-toggle").hide():(this.container.find(".reorder-toggle").show(),h(t).each(function(){h(this.container).removeClass("first-widget").removeClass("last-widget").find(".move-widget-down, .move-widget-up").prop("tabIndex",0)}),_.first(t).container.addClass("first-widget").find(".move-widget-up").prop("tabIndex",-1),_.last(t).container.addClass("last-widget").find(".move-widget-down").prop("tabIndex",-1))},toggleReordering:function(e){var t=this.$sectionContent.find(".add-new-widget"),i=this.container.find(".reorder-toggle"),n=this.$sectionContent.find(".widget-title");(e=Boolean(e))!==this.$sectionContent.hasClass("reordering")&&(this.isReordering=e,this.$sectionContent.toggleClass("reordering",e),e?(_(this.getWidgetFormControls()).each(function(e){e.collapse()}),t.attr({tabindex:"-1","aria-hidden":"true"}),i.attr("aria-label",f.reorderLabelOff),u.a11y.speak(f.reorderModeOn),n.attr("aria-hidden","true")):(t.removeAttr("tabindex aria-hidden"),i.attr("aria-label",f.reorderLabelOn),u.a11y.speak(f.reorderModeOff),n.attr("aria-hidden","false")))},getWidgetFormControls:function(){var t=[];return _(this.setting()).each(function(e){e=function(e){var t,e=c(e);t="widget_"+e.id_base,e.number&&(t+="["+e.number+"]");return t}(e),e=p.control(e);e&&t.push(e)}),t},addWidget:function(n){var e,t,i,s,d,a=this,o="widget_form",r=c(n),l=r.number,r=p.Widgets.availableWidgets.findWhere({id_base:r.id_base});return!(!r||l&&!r.get("is_multi"))&&(r.get("is_multi")&&!l&&(r.set("multi_number",r.get("multi_number")+1),l=r.get("multi_number")),e=h("#widget-tpl-"+r.get("id")).html().trim(),r.get("is_multi")?e=e.replace(/<[^<>]+>/g,function(e){return e.replace(/__i__|%i%/g,l)}):r.set("is_disabled",!0),e=h(e),(e=h("<li/>").addClass("customize-control").addClass("customize-control-"+o).append(e)).find("> .widget-icon").remove(),r.get("is_multi")&&(e.find('input[name="widget_number"]').val(l),e.find('input[name="multi_number"]').val(l)),n=e.find('[name="widget-id"]').val(),e.hide(),t="widget_"+r.get("id_base"),r.get("is_multi")&&(t+="["+l+"]"),e.attr("id","customize-control-"+t.replace(/\]/g,"").replace(/\[/g,"-")),(i=p.has(t))||(d={transport:p.Widgets.data.selectiveRefreshableWidgets[r.get("id_base")]?"postMessage":"refresh",previewer:this.setting.previewer},p.create(t,t,"",d).set({})),d=p.controlConstructor[o],s=new d(t,{settings:{default:t},content:e,sidebar_id:a.params.sidebar_id,widget_id:n,widget_id_base:r.get("id_base"),type:o,is_new:!i,width:r.get("width"),height:r.get("height"),is_wide:r.get("is_wide")}),p.control.add(s),p.each(function(e){var t,i;e.id!==a.setting.id&&0===e.id.indexOf("sidebars_widgets[")&&(t=e().slice(),-1!==(i=_.indexOf(t,n)))&&(t.splice(i),e(t))}),d=this.setting().slice(),-1===_.indexOf(d,n)&&(d.push(n),this.setting(d)),e.slideDown(function(){i&&s.updateWidget({instance:s.setting()})}),s)}}),h.extend(p.panelConstructor,{widgets:p.Widgets.WidgetsPanel}),h.extend(p.sectionConstructor,{sidebar:p.Widgets.SidebarSection}),h.extend(p.controlConstructor,{widget_form:p.Widgets.WidgetControl,sidebar_widgets:p.Widgets.SidebarControl}),p.bind("ready",function(){p.Widgets.availableWidgetsPanel=new p.Widgets.AvailableWidgetsPanelView({collection:p.Widgets.availableWidgets}),p.previewer.bind("highlight-widget-control",p.Widgets.highlightWidgetFormControl),p.previewer.bind("focus-widget-control",p.Widgets.focusWidgetFormControl)}),p.Widgets.highlightWidgetFormControl=function(e){e=p.Widgets.getWidgetFormControlForWidget(e);e&&e.highlightSectionAndControl()},p.Widgets.focusWidgetFormControl=function(e){e=p.Widgets.getWidgetFormControlForWidget(e);e&&e.focus()},p.Widgets.getSidebarWidgetControlContainingWidget=function(t){var i=null;return p.control.each(function(e){"sidebar_widgets"===e.params.type&&-1!==_.indexOf(e.setting(),t)&&(i=e)}),i},p.Widgets.getWidgetFormControlForWidget=function(t){var i=null;return p.control.each(function(e){"widget_form"===e.params.type&&e.params.widget_id===t&&(i=e)}),i},h(document).on("widget-added",function(e,t){var s,d,i,n=c(t.find("> .widget-inside > .form > .widget-id").val());"nav_menu"===n.id_base&&(s=p.control("widget_nav_menu["+String(n.number)+"]"))&&(d=t.find('select[name*="nav_menu"]'),i=t.find(".edit-selected-nav-menu > button"),0!==d.length)&&0!==i.length&&(d.on("change",function(){p.section.has("nav_menu["+d.val()+"]")?i.parent().show():i.parent().hide()}),i.on("click",function(){var i,n,e=p.section("nav_menu["+d.val()+"]");e&&(n=s,(i=e).focus(),i.expanded.bind(function e(t){t||(i.expanded.unbind(e),n.focus())}))}))}))}(window.wp,jQuery);PK       ! �*ߧ  �  
  gallery.jsnu �[���        /**
 * @output wp-admin/js/gallery.js
 */

/* global unescape, getUserSetting, setUserSetting, wpgallery, tinymce */

jQuery( function($) {
	var gallerySortable, gallerySortableInit, sortIt, clearAll, w, desc = false;

	gallerySortableInit = function() {
		gallerySortable = $('#media-items').sortable( {
			items: 'div.media-item',
			placeholder: 'sorthelper',
			axis: 'y',
			distance: 2,
			handle: 'div.filename',
			stop: function() {
				// When an update has occurred, adjust the order for each item.
				var all = $('#media-items').sortable('toArray'), len = all.length;
				$.each(all, function(i, id) {
					var order = desc ? (len - i) : (1 + i);
					$('#' + id + ' .menu_order input').val(order);
				});
			}
		} );
	};

	sortIt = function() {
		var all = $('.menu_order_input'), len = all.length;
		all.each(function(i){
			var order = desc ? (len - i) : (1 + i);
			$(this).val(order);
		});
	};

	clearAll = function(c) {
		c = c || 0;
		$('.menu_order_input').each( function() {
			if ( this.value === '0' || c ) {
				this.value = '';
			}
		});
	};

	$('#asc').on( 'click', function( e ) {
		e.preventDefault();
		desc = false;
		sortIt();
	});
	$('#desc').on( 'click', function( e ) {
		e.preventDefault();
		desc = true;
		sortIt();
	});
	$('#clear').on( 'click', function( e ) {
		e.preventDefault();
		clearAll(1);
	});
	$('#showall').on( 'click', function( e ) {
		e.preventDefault();
		$('#sort-buttons span a').toggle();
		$('a.describe-toggle-on').hide();
		$('a.describe-toggle-off, table.slidetoggle').show();
		$('img.pinkynail').toggle(false);
	});
	$('#hideall').on( 'click', function( e ) {
		e.preventDefault();
		$('#sort-buttons span a').toggle();
		$('a.describe-toggle-on').show();
		$('a.describe-toggle-off, table.slidetoggle').hide();
		$('img.pinkynail').toggle(true);
	});

	// Initialize sortable.
	gallerySortableInit();
	clearAll();

	if ( $('#media-items>*').length > 1 ) {
		w = wpgallery.getWin();

		$('#save-all, #gallery-settings').show();
		if ( typeof w.tinyMCE !== 'undefined' && w.tinyMCE.activeEditor && ! w.tinyMCE.activeEditor.isHidden() ) {
			wpgallery.mcemode = true;
			wpgallery.init();
		} else {
			$('#insert-gallery').show();
		}
	}
});

/* gallery settings */
window.tinymce = null;

window.wpgallery = {
	mcemode : false,
	editor : {},
	dom : {},
	is_update : false,
	el : {},

	I : function(e) {
		return document.getElementById(e);
	},

	init: function() {
		var t = this, li, q, i, it, w = t.getWin();

		if ( ! t.mcemode ) {
			return;
		}

		li = ('' + document.location.search).replace(/^\?/, '').split('&');
		q = {};
		for (i=0; i<li.length; i++) {
			it = li[i].split('=');
			q[unescape(it[0])] = unescape(it[1]);
		}

		if ( q.mce_rdomain ) {
			document.domain = q.mce_rdomain;
		}

		// Find window & API.
		window.tinymce = w.tinymce;
		window.tinyMCE = w.tinyMCE;
		t.editor = tinymce.EditorManager.activeEditor;

		t.setup();
	},

	getWin : function() {
		return window.dialogArguments || opener || parent || top;
	},

	setup : function() {
		var t = this, a, ed = t.editor, g, columns, link, order, orderby;
		if ( ! t.mcemode ) {
			return;
		}

		t.el = ed.selection.getNode();

		if ( t.el.nodeName !== 'IMG' || ! ed.dom.hasClass(t.el, 'wpGallery') ) {
			if ( ( g = ed.dom.select('img.wpGallery') ) && g[0] ) {
				t.el = g[0];
			} else {
				if ( getUserSetting('galfile') === '1' ) {
					t.I('linkto-file').checked = 'checked';
				}
				if ( getUserSetting('galdesc') === '1' ) {
					t.I('order-desc').checked = 'checked';
				}
				if ( getUserSetting('galcols') ) {
					t.I('columns').value = getUserSetting('galcols');
				}
				if ( getUserSetting('galord') ) {
					t.I('orderby').value = getUserSetting('galord');
				}
				jQuery('#insert-gallery').show();
				return;
			}
		}

		a = ed.dom.getAttrib(t.el, 'title');
		a = ed.dom.decode(a);

		if ( a ) {
			jQuery('#update-gallery').show();
			t.is_update = true;

			columns = a.match(/columns=['"]([0-9]+)['"]/);
			link = a.match(/link=['"]([^'"]+)['"]/i);
			order = a.match(/order=['"]([^'"]+)['"]/i);
			orderby = a.match(/orderby=['"]([^'"]+)['"]/i);

			if ( link && link[1] ) {
				t.I('linkto-file').checked = 'checked';
			}
			if ( order && order[1] ) {
				t.I('order-desc').checked = 'checked';
			}
			if ( columns && columns[1] ) {
				t.I('columns').value = '' + columns[1];
			}
			if ( orderby && orderby[1] ) {
				t.I('orderby').value = orderby[1];
			}
		} else {
			jQuery('#insert-gallery').show();
		}
	},

	update : function() {
		var t = this, ed = t.editor, all = '', s;

		if ( ! t.mcemode || ! t.is_update ) {
			s = '[gallery' + t.getSettings() + ']';
			t.getWin().send_to_editor(s);
			return;
		}

		if ( t.el.nodeName !== 'IMG' ) {
			return;
		}

		all = ed.dom.decode( ed.dom.getAttrib( t.el, 'title' ) );
		all = all.replace(/\s*(order|link|columns|orderby)=['"]([^'"]+)['"]/gi, '');
		all += t.getSettings();

		ed.dom.setAttrib(t.el, 'title', all);
		t.getWin().tb_remove();
	},

	getSettings : function() {
		var I = this.I, s = '';

		if ( I('linkto-file').checked ) {
			s += ' link="file"';
			setUserSetting('galfile', '1');
		}

		if ( I('order-desc').checked ) {
			s += ' order="DESC"';
			setUserSetting('galdesc', '1');
		}

		if ( I('columns').value !== 3 ) {
			s += ' columns="' + I('columns').value + '"';
			setUserSetting('galcols', I('columns').value);
		}

		if ( I('orderby').value !== 'menu_order' ) {
			s += ' orderby="' + I('orderby').value + '"';
			setUserSetting('galord', I('orderby').value);
		}

		return s;
	}
};
PK       ! �3��+  �+    tags-box.jsnu �[���        /**
 * @output wp-admin/js/tags-box.js
 */

/* jshint curly: false, eqeqeq: false */
/* global ajaxurl, tagBox, array_unique_noempty */

( function( $ ) {
	var tagDelimiter = wp.i18n._x( ',', 'tag delimiter' ) || ',';

	/**
	 * Filters unique items and returns a new array.
	 *
	 * Filters all items from an array into a new array containing only the unique
	 * items. This also excludes whitespace or empty values.
	 *
	 * @since 2.8.0
	 *
	 * @global
	 *
	 * @param {Array} array The array to filter through.
	 *
	 * @return {Array} A new array containing only the unique items.
	 */
	window.array_unique_noempty = function( array ) {
		var out = [];

		// Trim the values and ensure they are unique.
		$.each( array, function( key, val ) {
			val = val || '';
			val = val.trim();

			if ( val && $.inArray( val, out ) === -1 ) {
				out.push( val );
			}
		} );

		return out;
	};

	/**
	 * The TagBox object.
	 *
	 * Contains functions to create and manage tags that can be associated with a
	 * post.
	 *
	 * @since 2.9.0
	 *
	 * @global
	 */
	window.tagBox = {
		/**
		 * Cleans up tags by removing redundant characters.
		 *
		 * @since 2.9.0
		 *
		 * @memberOf tagBox
		 *
		 * @param {string} tags Comma separated tags that need to be cleaned up.
		 *
		 * @return {string} The cleaned up tags.
		 */
		clean : function( tags ) {
			if ( ',' !== tagDelimiter ) {
				tags = tags.replace( new RegExp( tagDelimiter, 'g' ), ',' );
			}

			tags = tags.replace(/\s*,\s*/g, ',').replace(/,+/g, ',').replace(/[,\s]+$/, '').replace(/^[,\s]+/, '');

			if ( ',' !== tagDelimiter ) {
				tags = tags.replace( /,/g, tagDelimiter );
			}

			return tags;
		},

		/**
		 * Parses tags and makes them editable.
		 *
		 * @since 2.9.0
		 *
		 * @memberOf tagBox
		 *
		 * @param {Object} el The tag element to retrieve the ID from.
		 *
		 * @return {boolean} Always returns false.
		 */
		parseTags : function(el) {
			var id = el.id,
				num = id.split('-check-num-')[1],
				taxbox = $(el).closest('.tagsdiv'),
				thetags = taxbox.find('.the-tags'),
				current_tags = thetags.val().split( tagDelimiter ),
				new_tags = [];

			delete current_tags[num];

			// Sanitize the current tags and push them as if they're new tags.
			$.each( current_tags, function( key, val ) {
				val = val || '';
				val = val.trim();
				if ( val ) {
					new_tags.push( val );
				}
			});

			thetags.val( this.clean( new_tags.join( tagDelimiter ) ) );

			this.quickClicks( taxbox );
			return false;
		},

		/**
		 * Creates clickable links, buttons and fields for adding or editing tags.
		 *
		 * @since 2.9.0
		 *
		 * @memberOf tagBox
		 *
		 * @param {Object} el The container HTML element.
		 *
		 * @return {void}
		 */
		quickClicks : function( el ) {
			var thetags = $('.the-tags', el),
				tagchecklist = $('.tagchecklist', el),
				id = $(el).attr('id'),
				current_tags, disabled;

			if ( ! thetags.length )
				return;

			disabled = thetags.prop('disabled');

			current_tags = thetags.val().split( tagDelimiter );
			tagchecklist.empty();

			/**
			 * Creates a delete button if tag editing is enabled, before adding it to the tag list.
			 *
			 * @since 2.5.0
			 *
			 * @memberOf tagBox
			 *
			 * @param {string} key The index of the current tag.
			 * @param {string} val The value of the current tag.
			 *
			 * @return {void}
			 */
			$.each( current_tags, function( key, val ) {
				var listItem, xbutton;

				val = val || '';
				val = val.trim();

				if ( ! val )
					return;

				// Create a new list item, and ensure the text is properly escaped.
				listItem = $( '<li />' ).text( val );

				// If tags editing isn't disabled, create the X button.
				if ( ! disabled ) {
					/*
					 * Build the X buttons, hide the X icon with aria-hidden and
					 * use visually hidden text for screen readers.
					 */
					xbutton = $( '<button type="button" id="' + id + '-check-num-' + key + '" class="ntdelbutton">' +
						'<span class="remove-tag-icon" aria-hidden="true"></span>' +
						'<span class="screen-reader-text">' + wp.i18n.__( 'Remove term:' ) + ' ' + listItem.html() + '</span>' +
						'</button>' );

					/**
					 * Handles the click and keypress event of the tag remove button.
					 *
					 * Makes sure the focus ends up in the tag input field when using
					 * the keyboard to delete the tag.
					 *
					 * @since 4.2.0
					 *
					 * @param {Event} e The click or keypress event to handle.
					 *
					 * @return {void}
					 */
					xbutton.on( 'click keypress', function( e ) {
						// On click or when using the Enter/Spacebar keys.
						if ( 'click' === e.type || 13 === e.keyCode || 32 === e.keyCode ) {
							/*
							 * When using the keyboard, move focus back to the
							 * add new tag field. Note: when releasing the pressed
							 * key this will fire the `keyup` event on the input.
							 */
							if ( 13 === e.keyCode || 32 === e.keyCode ) {
 								$( this ).closest( '.tagsdiv' ).find( 'input.newtag' ).trigger( 'focus' );
 							}

							tagBox.userAction = 'remove';
							tagBox.parseTags( this );
						}
					});

					listItem.prepend( '&nbsp;' ).prepend( xbutton );
				}

				// Append the list item to the tag list.
				tagchecklist.append( listItem );
			});

			// The buttons list is built now, give feedback to screen reader users.
			tagBox.screenReadersMessage();
		},

		/**
		 * Adds a new tag.
		 *
		 * Also ensures that the quick links are properly generated.
		 *
		 * @since 2.9.0
		 *
		 * @memberOf tagBox
		 *
		 * @param {Object} el The container HTML element.
		 * @param {Object|boolean} a When this is an HTML element the text of that
		 *                           element will be used for the new tag.
		 * @param {number|boolean} f If this value is not passed then the tag input
		 *                           field is focused.
		 *
		 * @return {boolean} Always returns false.
		 */
		flushTags : function( el, a, f ) {
			var tagsval, newtags, text,
				tags = $( '.the-tags', el ),
				newtag = $( 'input.newtag', el );

			a = a || false;

			text = a ? $(a).text() : newtag.val();

			/*
			 * Return if there's no new tag or if the input field is empty.
			 * Note: when using the keyboard to add tags, focus is moved back to
			 * the input field and the `keyup` event attached on this field will
			 * fire when releasing the pressed key. Checking also for the field
			 * emptiness avoids to set the tags and call quickClicks() again.
			 */
			if ( 'undefined' == typeof( text ) || '' === text ) {
				return false;
			}

			tagsval = tags.val();
			newtags = tagsval ? tagsval + tagDelimiter + text : text;

			newtags = this.clean( newtags );
			newtags = array_unique_noempty( newtags.split( tagDelimiter ) ).join( tagDelimiter );
			tags.val( newtags );
			this.quickClicks( el );

			if ( ! a )
				newtag.val('');
			if ( 'undefined' == typeof( f ) )
				newtag.trigger( 'focus' );

			return false;
		},

		/**
		 * Retrieves the available tags and creates a tagcloud.
		 *
		 * Retrieves the available tags from the database and creates an interactive
		 * tagcloud. Clicking a tag will add it.
		 *
		 * @since 2.9.0
		 *
		 * @memberOf tagBox
		 *
		 * @param {string} id The ID to extract the taxonomy from.
		 *
		 * @return {void}
		 */
		get : function( id ) {
			var tax = id.substr( id.indexOf('-') + 1 );

			/**
			 * Puts a received tag cloud into a DOM element.
			 *
			 * The tag cloud HTML is generated on the server.
			 *
			 * @since 2.9.0
			 *
			 * @param {number|string} r The response message from the Ajax call.
			 * @param {string} stat The status of the Ajax request.
			 *
			 * @return {void}
			 */
			$.post( ajaxurl, { 'action': 'get-tagcloud', 'tax': tax }, function( r, stat ) {
				if ( 0 === r || 'success' != stat ) {
					return;
				}

				r = $( '<div id="tagcloud-' + tax + '" class="the-tagcloud">' + r + '</div>' );

				/**
				 * Adds a new tag when a tag in the tagcloud is clicked.
				 *
				 * @since 2.9.0
				 *
				 * @return {boolean} Returns false to prevent the default action.
				 */
				$( 'a', r ).on( 'click', function() {
					tagBox.userAction = 'add';
					tagBox.flushTags( $( '#' + tax ), this );
					return false;
				});

				$( '#' + id ).after( r );
			});
		},

		/**
		 * Track the user's last action.
		 *
		 * @since 4.7.0
		 */
		userAction: '',

		/**
		 * Dispatches an audible message to screen readers.
		 *
		 * This will inform the user when a tag has been added or removed.
		 *
		 * @since 4.7.0
		 *
		 * @return {void}
		 */
		screenReadersMessage: function() {
			var message;

			switch ( this.userAction ) {
				case 'remove':
					message = wp.i18n.__( 'Term removed.' );
					break;

				case 'add':
					message = wp.i18n.__( 'Term added.' );
					break;

				default:
					return;
			}

			window.wp.a11y.speak( message, 'assertive' );
		},

		/**
		 * Initializes the tags box by setting up the links, buttons. Sets up event
		 * handling.
		 *
		 * This includes handling of pressing the enter key in the input field and the
		 * retrieval of tag suggestions.
		 *
		 * @since 2.9.0
		 *
		 * @memberOf tagBox
		 *
		 * @return {void}
		 */
		init : function() {
			var ajaxtag = $('div.ajaxtag');

			$('.tagsdiv').each( function() {
				tagBox.quickClicks( this );
			});

			$( '.tagadd', ajaxtag ).on( 'click', function() {
				tagBox.userAction = 'add';
				tagBox.flushTags( $( this ).closest( '.tagsdiv' ) );
			});

			/**
			 * Handles pressing enter on the new tag input field.
			 *
			 * Prevents submitting the post edit form. Uses `keypress` to take
			 * into account Input Method Editor (IME) converters.
			 *
			 * @since 2.9.0
			 *
			 * @param {Event} event The keypress event that occurred.
			 *
			 * @return {void}
			 */
			$( 'input.newtag', ajaxtag ).on( 'keypress', function( event ) {
				if ( 13 == event.which ) {
					tagBox.userAction = 'add';
					tagBox.flushTags( $( this ).closest( '.tagsdiv' ) );
					event.preventDefault();
					event.stopPropagation();
				}
			}).each( function( i, element ) {
				$( element ).wpTagsSuggest();
			});

			/**
			 * Before a post is saved the value currently in the new tag input field will be
			 * added as a tag.
			 *
			 * @since 2.9.0
			 *
			 * @return {void}
			 */
			$('#post').on( 'submit', function(){
				$('div.tagsdiv').each( function() {
					tagBox.flushTags(this, false, 1);
				});
			});

			/**
			 * Handles clicking on the tag cloud link.
			 *
			 * Makes sure the ARIA attributes are set correctly.
			 *
			 * @since 2.9.0
			 *
			 * @return {void}
			 */
			$('.tagcloud-link').on( 'click', function(){
				// On the first click, fetch the tag cloud and insert it in the DOM.
				tagBox.get( $( this ).attr( 'id' ) );
				// Update button state, remove previous click event and attach a new one to toggle the cloud.
				$( this )
					.attr( 'aria-expanded', 'true' )
					.off()
					.on( 'click', function() {
						$( this )
							.attr( 'aria-expanded', 'false' === $( this ).attr( 'aria-expanded' ) ? 'true' : 'false' )
							.siblings( '.the-tagcloud' ).toggle();
					});
			});
		}
	};
}( jQuery ));
PK       ! �:��g  g  
  comment.jsnu �[���        /**
 * @output wp-admin/js/comment.js
 */

/* global postboxes */

/**
 * Binds to the document ready event.
 *
 * @since 2.5.0
 *
 * @param {jQuery} $ The jQuery object.
 */
jQuery( function($) {

	postboxes.add_postbox_toggles('comment');

	var $timestampdiv = $('#timestampdiv'),
		$timestamp = $( '#timestamp' ),
		stamp = $timestamp.html(),
		$timestampwrap = $timestampdiv.find( '.timestamp-wrap' ),
		$edittimestamp = $timestampdiv.siblings( 'a.edit-timestamp' );

	/**
	 * Adds event that opens the time stamp form if the form is hidden.
	 *
	 * @listens $edittimestamp:click
	 *
	 * @param {Event} event The event object.
	 * @return {void}
	 */
	$edittimestamp.on( 'click', function( event ) {
		if ( $timestampdiv.is( ':hidden' ) ) {
			// Slide down the form and set focus on the first field.
			$timestampdiv.slideDown( 'fast', function() {
				$( 'input, select', $timestampwrap ).first().trigger( 'focus' );
			} );
			$(this).hide();
		}
		event.preventDefault();
	});

	/**
	 * Resets the time stamp values when the cancel button is clicked.
	 *
	 * @listens .cancel-timestamp:click
	 *
	 * @param {Event} event The event object.
	 * @return {void}
	 */

	$timestampdiv.find('.cancel-timestamp').on( 'click', function( event ) {
		// Move focus back to the Edit link.
		$edittimestamp.show().trigger( 'focus' );
		$timestampdiv.slideUp( 'fast' );
		$('#mm').val($('#hidden_mm').val());
		$('#jj').val($('#hidden_jj').val());
		$('#aa').val($('#hidden_aa').val());
		$('#hh').val($('#hidden_hh').val());
		$('#mn').val($('#hidden_mn').val());
		$timestamp.html( stamp );
		event.preventDefault();
	});

	/**
	 * Sets the time stamp values when the ok button is clicked.
	 *
	 * @listens .save-timestamp:click
	 *
	 * @param {Event} event The event object.
	 * @return {void}
	 */
	$timestampdiv.find('.save-timestamp').on( 'click', function( event ) { // Crazyhorse branch - multiple OK cancels.
		var aa = $('#aa').val(), mm = $('#mm').val(), jj = $('#jj').val(), hh = $('#hh').val(), mn = $('#mn').val(),
			newD = new Date( aa, mm - 1, jj, hh, mn );

		event.preventDefault();

		if ( newD.getFullYear() != aa || (1 + newD.getMonth()) != mm || newD.getDate() != jj || newD.getMinutes() != mn ) {
			$timestampwrap.addClass( 'form-invalid' );
			return;
		} else {
			$timestampwrap.removeClass( 'form-invalid' );
		}

		$timestamp.html(
			wp.i18n.__( 'Submitted on:' ) + ' <b>' +
			/* translators: 1: Month, 2: Day, 3: Year, 4: Hour, 5: Minute. */
			wp.i18n.__( '%1$s %2$s, %3$s at %4$s:%5$s' )
				.replace( '%1$s', $( 'option[value="' + mm + '"]', '#mm' ).attr( 'data-text' ) )
				.replace( '%2$s', parseInt( jj, 10 ) )
				.replace( '%3$s', aa )
				.replace( '%4$s', ( '00' + hh ).slice( -2 ) )
				.replace( '%5$s', ( '00' + mn ).slice( -2 ) ) +
				'</b> '
		);

		// Move focus back to the Edit link.
		$edittimestamp.show().trigger( 'focus' );
		$timestampdiv.slideUp( 'fast' );
	});
});
PK       ! 2jv�l  l    set-post-thumbnail.min.jsnu �[���        /*! This file is auto-generated */
window.WPSetAsThumbnail=function(n,t){var a=jQuery("a#wp-post-thumbnail-"+n);a.text(wp.i18n.__("Saving\u2026")),jQuery.post(ajaxurl,{action:"set-post-thumbnail",post_id:post_id,thumbnail_id:n,_ajax_nonce:t,cookie:encodeURIComponent(document.cookie)},function(t){var e=window.dialogArguments||opener||parent||top;a.text(wp.i18n.__("Use as featured image")),"0"==t?alert(wp.i18n.__("Could not set that as the thumbnail image. Try a different attachment.")):(jQuery("a.wp-post-thumbnail").show(),a.text(wp.i18n.__("Done")),a.fadeOut(2e3),e.WPSetThumbnailID(n),e.WPSetThumbnailHTML(t))})};PK       ! ,j��      word-count.jsnu �[���        /**
 * Word or character counting functionality. Count words or characters in a
 * provided text string.
 *
 * @namespace wp.utils
 *
 * @since 2.6.0
 * @output wp-admin/js/word-count.js
 */

( function() {
	/**
	 * Word counting utility
	 *
	 * @namespace wp.utils.wordcounter
	 * @memberof  wp.utils
	 *
	 * @class
	 *
	 * @param {Object} settings                                   Optional. Key-value object containing overrides for
	 *                                                            settings.
	 * @param {RegExp} settings.HTMLRegExp                        Optional. Regular expression to find HTML elements.
	 * @param {RegExp} settings.HTMLcommentRegExp                 Optional. Regular expression to find HTML comments.
	 * @param {RegExp} settings.spaceRegExp                       Optional. Regular expression to find irregular space
	 *                                                            characters.
	 * @param {RegExp} settings.HTMLEntityRegExp                  Optional. Regular expression to find HTML entities.
	 * @param {RegExp} settings.connectorRegExp                   Optional. Regular expression to find connectors that
	 *                                                            split words.
	 * @param {RegExp} settings.removeRegExp                      Optional. Regular expression to find remove unwanted
	 *                                                            characters to reduce false-positives.
	 * @param {RegExp} settings.astralRegExp                      Optional. Regular expression to find unwanted
	 *                                                            characters when searching for non-words.
	 * @param {RegExp} settings.wordsRegExp                       Optional. Regular expression to find words by spaces.
	 * @param {RegExp} settings.characters_excluding_spacesRegExp Optional. Regular expression to find characters which
	 *                                                            are non-spaces.
	 * @param {RegExp} settings.characters_including_spacesRegExp Optional. Regular expression to find characters
	 *                                                            including spaces.
	 * @param {RegExp} settings.shortcodesRegExp                  Optional. Regular expression to find shortcodes.
	 * @param {Object} settings.l10n                              Optional. Localization object containing specific
	 *                                                            configuration for the current localization.
	 * @param {string} settings.l10n.type                         Optional. Method of finding words to count.
	 * @param {Array}  settings.l10n.shortcodes                   Optional. Array of shortcodes that should be removed
	 *                                                            from the text.
	 *
	 * @return {void}
	 */
	function WordCounter( settings ) {
		var key,
			shortcodes;

		// Apply provided settings to object settings.
		if ( settings ) {
			for ( key in settings ) {

				// Only apply valid settings.
				if ( settings.hasOwnProperty( key ) ) {
					this.settings[ key ] = settings[ key ];
				}
			}
		}

		shortcodes = this.settings.l10n.shortcodes;

		// If there are any localization shortcodes, add this as type in the settings.
		if ( shortcodes && shortcodes.length ) {
			this.settings.shortcodesRegExp = new RegExp( '\\[\\/?(?:' + shortcodes.join( '|' ) + ')[^\\]]*?\\]', 'g' );
		}
	}

	// Default settings.
	WordCounter.prototype.settings = {
		HTMLRegExp: /<\/?[a-z][^>]*?>/gi,
		HTMLcommentRegExp: /<!--[\s\S]*?-->/g,
		spaceRegExp: /&nbsp;|&#160;/gi,
		HTMLEntityRegExp: /&\S+?;/g,

		// \u2014 = em-dash.
		connectorRegExp: /--|\u2014/g,

		// Characters to be removed from input text.
		removeRegExp: new RegExp( [
			'[',

				// Basic Latin (extract).
				'\u0021-\u0040\u005B-\u0060\u007B-\u007E',

				// Latin-1 Supplement (extract).
				'\u0080-\u00BF\u00D7\u00F7',

				/*
				 * The following range consists of:
				 * General Punctuation
				 * Superscripts and Subscripts
				 * Currency Symbols
				 * Combining Diacritical Marks for Symbols
				 * Letterlike Symbols
				 * Number Forms
				 * Arrows
				 * Mathematical Operators
				 * Miscellaneous Technical
				 * Control Pictures
				 * Optical Character Recognition
				 * Enclosed Alphanumerics
				 * Box Drawing
				 * Block Elements
				 * Geometric Shapes
				 * Miscellaneous Symbols
				 * Dingbats
				 * Miscellaneous Mathematical Symbols-A
				 * Supplemental Arrows-A
				 * Braille Patterns
				 * Supplemental Arrows-B
				 * Miscellaneous Mathematical Symbols-B
				 * Supplemental Mathematical Operators
				 * Miscellaneous Symbols and Arrows
				 */
				'\u2000-\u2BFF',

				// Supplemental Punctuation.
				'\u2E00-\u2E7F',
			']'
		].join( '' ), 'g' ),

		// Remove UTF-16 surrogate points, see https://en.wikipedia.org/wiki/UTF-16#U.2BD800_to_U.2BDFFF
		astralRegExp: /[\uD800-\uDBFF][\uDC00-\uDFFF]/g,
		wordsRegExp: /\S\s+/g,
		characters_excluding_spacesRegExp: /\S/g,

		/*
		 * Match anything that is not a formatting character, excluding:
		 * \f = form feed
		 * \n = new line
		 * \r = carriage return
		 * \t = tab
		 * \v = vertical tab
		 * \u00AD = soft hyphen
		 * \u2028 = line separator
		 * \u2029 = paragraph separator
		 */
		characters_including_spacesRegExp: /[^\f\n\r\t\v\u00AD\u2028\u2029]/g,
		l10n: window.wordCountL10n || {}
	};

	/**
	 * Counts the number of words (or other specified type) in the specified text.
	 *
	 * @since 2.6.0
	 *
	 * @memberof wp.utils.wordcounter
	 *
	 * @param {string}  text Text to count elements in.
	 * @param {string}  type Optional. Specify type to use.
	 *
	 * @return {number} The number of items counted.
	 */
	WordCounter.prototype.count = function( text, type ) {
		var count = 0;

		// Use default type if none was provided.
		type = type || this.settings.l10n.type;

		// Sanitize type to one of three possibilities: 'words', 'characters_excluding_spaces' or 'characters_including_spaces'.
		if ( type !== 'characters_excluding_spaces' && type !== 'characters_including_spaces' ) {
			type = 'words';
		}

		// If we have any text at all.
		if ( text ) {
			text = text + '\n';

			// Replace all HTML with a new-line.
			text = text.replace( this.settings.HTMLRegExp, '\n' );

			// Remove all HTML comments.
			text = text.replace( this.settings.HTMLcommentRegExp, '' );

			// If a shortcode regular expression has been provided use it to remove shortcodes.
			if ( this.settings.shortcodesRegExp ) {
				text = text.replace( this.settings.shortcodesRegExp, '\n' );
			}

			// Normalize non-breaking space to a normal space.
			text = text.replace( this.settings.spaceRegExp, ' ' );

			if ( type === 'words' ) {

				// Remove HTML Entities.
				text = text.replace( this.settings.HTMLEntityRegExp, '' );

				// Convert connectors to spaces to count attached text as words.
				text = text.replace( this.settings.connectorRegExp, ' ' );

				// Remove unwanted characters.
				text = text.replace( this.settings.removeRegExp, '' );
			} else {

				// Convert HTML Entities to "a".
				text = text.replace( this.settings.HTMLEntityRegExp, 'a' );

				// Remove surrogate points.
				text = text.replace( this.settings.astralRegExp, 'a' );
			}

			// Match with the selected type regular expression to count the items.
			text = text.match( this.settings[ type + 'RegExp' ] );

			// If we have any matches, set the count to the number of items found.
			if ( text ) {
				count = text.length;
			}
		}

		return count;
	};

	// Add the WordCounter to the WP Utils.
	window.wp = window.wp || {};
	window.wp.utils = window.wp.utils || {};
	window.wp.utils.WordCounter = WordCounter;
} )();
PK       ! �G��%  �%    inline-edit-post.min.jsnu �[���        /*! This file is auto-generated */
window.wp=window.wp||{},function(u,h){window.inlineEditPost={init:function(){var i=this,t=u("#inline-edit"),e=u("#bulk-edit"),t=(i.type=u("table.widefat").hasClass("pages")?"page":"post",i.what="#post-",t.on("keyup",function(t){if(27===t.which)return inlineEditPost.revert()}),e.on("keyup",function(t){if(27===t.which)return inlineEditPost.revert()}),u(".cancel",t).on("click",function(){return inlineEditPost.revert()}),u(".save",t).on("click",function(){return inlineEditPost.save(this)}),u("td",t).on("keydown",function(t){if(13===t.which&&!u(t.target).hasClass("cancel"))return inlineEditPost.save(this)}),u(".cancel",e).on("click",function(){return inlineEditPost.revert()}),u('#inline-edit .inline-edit-private input[value="private"]').on("click",function(){var t=u("input.inline-edit-password-input");u(this).prop("checked")?t.val("").prop("disabled",!0):t.prop("disabled",!1)}),u("#the-list").on("click",".editinline",function(){u(this).attr("aria-expanded","true"),inlineEditPost.edit(this)}),u("#inline-edit fieldset.inline-edit-categories").clone());t.find("*[id]").each(function(){this.id="bulk-edit-"+this.id}),u("#bulk-edit").find("fieldset:first").after(t).siblings("fieldset:last").prepend(u("#inline-edit .inline-edit-tags-wrap").clone()),u('select[name="_status"] option[value="future"]',e).remove(),u("#doaction").on("click",function(t){var e;u('#posts-filter .check-column input[type="checkbox"]:checked').length<1||(i.whichBulkButtonId=u(this).attr("id"),e=i.whichBulkButtonId.substr(2),"edit"===u('select[name="'+e+'"]').val()?(t.preventDefault(),i.setBulk()):0<u("form#posts-filter tr.inline-editor").length&&i.revert())})},toggle:function(t){var e=this;"none"===u(e.what+e.getId(t)).css("display")?e.revert():e.edit(t)},setBulk:function(){var n="",t=this.type,a=!0,e=u('tbody th.check-column input[type="checkbox"]:checked'),i={};if(this.revert(),u("#bulk-edit td").attr("colspan",u("th:visible, td:visible",".widefat:first thead").length),u("table.widefat tbody").prepend(u("#bulk-edit")).prepend('<tr class="hidden"></tr>'),u("#bulk-edit").addClass("inline-editor").show(),u('tbody th.check-column input[type="checkbox"]').each(function(){var t,e,i;u(this).prop("checked")&&(a=!1,t=u(this).val(),e=u("#inline_"+t+" .post_title").html()||h.i18n.__("(no title)"),i=h.i18n.sprintf(h.i18n.__("Remove &#8220;%s&#8221; from Bulk Edit"),e),n+='<li class="ntdelitem"><button type="button" id="_'+t+'" class="button-link ntdelbutton"><span class="screen-reader-text">'+i+'</span></button><span class="ntdeltitle" aria-hidden="true">'+e+"</span></li>")}),a)return this.revert();u("#bulk-titles").html('<ul id="bulk-titles-list" role="list">'+n+"</ul>"),e.each(function(){var t=u(this).val();u("#category_"+t).text().split(",").map(function(t){i[t]||(i[t]=0),i[t]++})}),u('.inline-edit-categories input[name="post_category[]"]').each(function(){var t;i[u(this).val()]==e.length?u(this).prop("checked",!0):0<i[u(this).val()]&&(u(this).prop("indeterminate",!0),u(this).parent().find('input[name="indeterminate_post_category[]"]').length||(t=u(this).parent().text(),u(this).after('<input type="hidden" name="indeterminate_post_category[]" value="'+u(this).val()+'">').attr("aria-label",t.trim()+": "+h.i18n.__("Some selected posts have this category"))))}),u('.inline-edit-categories input[name="post_category[]"]:indeterminate').on("change",function(){u(this).removeAttr("aria-label").parent().find('input[name="indeterminate_post_category[]"]').remove()}),u(".inline-edit-save button").on("click",function(){u('.inline-edit-categories input[name="post_category[]"]').prop("indeterminate",!1)}),u("#bulk-titles .ntdelbutton").click(function(){var t=u(this),e=t.attr("id").substr(1),i=t.parent().prev().children(".ntdelbutton"),t=t.parent().next().children(".ntdelbutton");u("input#cb-select-all-1, input#cb-select-all-2").prop("checked",!1),u('table.widefat input[value="'+e+'"]').prop("checked",!1),u("#_"+e).parent().remove(),h.a11y.speak(h.i18n.__("Item removed."),"assertive"),t.length?t.focus():i.length?i.focus():(u("#bulk-titles-list").remove(),inlineEditPost.revert(),h.a11y.speak(h.i18n.__("All selected items have been removed. Select new items to use Bulk Actions.")))}),"post"===t&&u("tr.inline-editor textarea[data-wp-taxonomy]").each(function(t,e){u(e).autocomplete("instance")||u(e).wpTagsSuggest()}),u("#bulk-edit .inline-edit-wrapper").attr("tabindex","-1").focus(),u("html, body").animate({scrollTop:0},"fast")},edit:function(n){var t,a,e,i,s,r,o,l,d=this,c=!0;for(d.revert(),"object"==typeof n&&(n=d.getId(n)),t=["post_title","post_name","post_author","_status","jj","mm","aa","hh","mn","ss","post_password","post_format","menu_order","page_template"],"page"===d.type&&t.push("post_parent"),a=u("#inline-edit").clone(!0),u("td",a).attr("colspan",u("th:visible, td:visible",".widefat:first thead").length),u("td",a).find("#quick-edit-legend").removeAttr("id"),u("td",a).find('p[id^="quick-edit-"]').removeAttr("id"),u(d.what+n).removeClass("is-expanded").hide().after(a).after('<tr class="hidden"></tr>'),e=u("#inline_"+n),u(':input[name="post_author"] option[value="'+u(".post_author",e).text()+'"]',a).val()||u(':input[name="post_author"]',a).prepend('<option value="'+u(".post_author",e).text()+'">'+u("#post-"+n+" .author").text()+"</option>"),1===u(':input[name="post_author"] option',a).length&&u("label.inline-edit-author",a).hide(),o=0;o<t.length;o++)(l=u("."+t[o],e)).find("img").replaceWith(function(){return this.alt}),l=l.text(),u(':input[name="'+t[o]+'"]',a).val(l);"open"===u(".comment_status",e).text()&&u('input[name="comment_status"]',a).prop("checked",!0),"open"===u(".ping_status",e).text()&&u('input[name="ping_status"]',a).prop("checked",!0),"sticky"===u(".sticky",e).text()&&u('input[name="sticky"]',a).prop("checked",!0),u(".post_category",e).each(function(){var t,e=u(this).text();e&&(t=u(this).attr("id").replace("_"+n,""),u("ul."+t+"-checklist :checkbox",a).val(e.split(",")))}),u(".tags_input",e).each(function(){var t=u(this),e=u(this).attr("id").replace("_"+n,""),e=u("textarea.tax_input_"+e,a),i=h.i18n._x(",","tag delimiter").trim();e.length&&(t.find("img").replaceWith(function(){return this.alt}),(t=t.text())&&(","!==i&&(t=t.replace(/,/g,i)),e.val(t)),e.wpTagsSuggest())});var p,d=u(':input[name="aa"]').val()+"-"+u(':input[name="mm"]').val()+"-"+u(':input[name="jj"]').val(),d=(d+=" "+u(':input[name="hh"]').val()+":"+u(':input[name="mn"]').val()+":"+u(':input[name="ss"]').val(),new Date(d));if(("future"!==(p=u("._status",e).text())&&Date.now()>d?u('select[name="_status"] option[value="future"]',a):u('select[name="_status"] option[value="publish"]',a)).remove(),d=u(".inline-edit-password-input").prop("disabled",!1),"private"===p&&(u('input[name="keep_private"]',a).prop("checked",!0),d.val("").prop("disabled",!0)),0<(i=u('select[name="post_parent"] option[value="'+n+'"]',a)).length){for(s=i[0].className.split("-")[1],r=i;c&&0!==(r=r.next("option")).length;)r[0].className.split("-")[1]<=s?c=!1:(r.remove(),r=i);i.remove()}return u(a).attr("id","edit-"+n).addClass("inline-editor").show(),u(".ptitle",a).trigger("focus"),!1},save:function(n){var t=u(".post_status_page").val()||"";return"object"==typeof n&&(n=this.getId(n)),u("table.widefat .spinner").addClass("is-active"),t={action:"inline-save",post_type:typenow,post_ID:n,edit_date:"true",post_status:t},t=u("#edit-"+n).find(":input").serialize()+"&"+u.param(t),u.post(ajaxurl,t,function(t){var e=u("#edit-"+n+" .inline-edit-save .notice-error"),i=e.find(".error");u("table.widefat .spinner").removeClass("is-active"),t?-1!==t.indexOf("<tr")?(u(inlineEditPost.what+n).siblings("tr.hidden").addBack().remove(),u("#edit-"+n).before(t).remove(),u(inlineEditPost.what+n).hide().fadeIn(400,function(){u(this).find(".editinline").attr("aria-expanded","false").trigger("focus"),h.a11y.speak(h.i18n.__("Changes saved."))})):(t=t.replace(/<.[^<>]*?>/g,""),e.removeClass("hidden"),i.html(t),h.a11y.speak(i.text())):(e.removeClass("hidden"),i.text(h.i18n.__("Error while saving the changes.")),h.a11y.speak(h.i18n.__("Error while saving the changes.")))},"html"),!1},revert:function(){var t=u(".widefat"),e=u(".inline-editor",t).attr("id");return e&&(u(".spinner",t).removeClass("is-active"),("bulk-edit"===e?(u("#bulk-edit",t).removeClass("inline-editor").hide().siblings(".hidden").remove(),u("#bulk-titles").empty(),u("#inlineedit").append(u("#bulk-edit")),u("#"+inlineEditPost.whichBulkButtonId)):(u("#"+e).siblings("tr.hidden").addBack().remove(),e=e.substr(e.lastIndexOf("-")+1),u(this.what+e).show().find(".editinline").attr("aria-expanded","false"))).trigger("focus")),!1},getId:function(t){t=u(t).closest("tr").attr("id").split("-");return t[t.length-1]}},u(function(){inlineEditPost.init()}),u(function(){void 0!==h&&h.heartbeat&&h.heartbeat.interval(10)}).on("heartbeat-tick.wp-check-locked-posts",function(t,e){var n=e["wp-check-locked-posts"]||{},a="wp-locked";u("#the-list tr").each(function(t,e){var i=e.id,e=u(e);n.hasOwnProperty(i)?e.hasClass(a)||(i=n[i],e.find(".column-title .locked-text").text(i.text),e.find(".check-column checkbox").prop("checked",!1),i.avatar_src&&(i=u("<img />",{class:"avatar avatar-18 photo",width:18,height:18,alt:"",src:i.avatar_src,srcset:i.avatar_src_2x?i.avatar_src_2x+" 2x":void 0}),e.find(".column-title .locked-avatar").empty().append(i)),e.addClass(a)):e.hasClass(a)&&e.removeClass(a).find(".locked-info span").empty()})}).on("heartbeat-send.wp-check-locked-posts",function(t,e){var i=[];u("#the-list tr").each(function(t,e){e.id&&i.push(e.id)}),i.length&&(e["wp-check-locked-posts"]=i)})}(jQuery,window.wp);PK       ! �Gw	  	    link.jsnu �[���        /**
 * @output wp-admin/js/link.js
 */

/* global postboxes, deleteUserSetting, setUserSetting, getUserSetting */

jQuery( function($) {

	var newCat, noSyncChecks = false, syncChecks, catAddAfter;

	$('#link_name').trigger( 'focus' );
	// Postboxes.
	postboxes.add_postbox_toggles('link');

	/**
	 * Adds event that opens a particular category tab.
	 *
	 * @ignore
	 *
	 * @return {boolean} Always returns false to prevent the default behavior.
	 */
	$('#category-tabs a').on( 'click keyup keydown', function( event ){
		var t = $(this).attr('href');
		if ( event.type === 'keydown' && event.key === ' ' ) {
			event.preventDefault();
		}
		if ( ( event.type === 'keyup' && event.key === ' ' ) || ( event.type === 'keydown' && event.key === 'Enter' ) || event.type === 'click' ) {
			event.preventDefault();
			$('#category-tabs a').removeAttr( 'aria-selected' ).attr( 'tabindex', '-1' );
			$(this).attr( 'aria-selected', 'true' ).removeAttr( 'tabindex' );
			$(this).parent().addClass('tabs').siblings('li').removeClass('tabs');
			$('.tabs-panel').hide();
			$(t).show();
			if ( '#categories-all' == t ) {
				deleteUserSetting('cats');
			} else {
				setUserSetting('cats','pop');
			}
			return false;
		}
		if ( event.type === 'keyup' && ( event.key === 'ArrowRight' || event.key === 'ArrowLeft' ) ) {
			$(this).attr( 'tabindex', '-1' );
			let next = $(this).parent('li').next();
			let prev = $(this).parent('li').prev();
			if ( next.length > 0 ) {
				next.find('a').removeAttr( 'tabindex');
				next.find('a').trigger( 'focus' );
			} else {
				prev.find('a').removeAttr( 'tabindex');
				prev.find('a').trigger( 'focus' );
			}
		}
	});
	if ( getUserSetting('cats') )
		$('#category-tabs a[href="#categories-pop"]').trigger( 'click' );

	// Ajax Cat.
	newCat = $('#newcat').one( 'focus', function() { $(this).val( '' ).removeClass( 'form-input-tip' ); } );

	/**
	 * After adding a new category, focus on the category add input field.
	 *
	 * @return {void}
	 */
	$('#link-category-add-submit').on( 'click', function() { newCat.focus(); } );

	/**
	 * Synchronize category checkboxes.
	 *
	 * This function makes sure that the checkboxes are synced between the all
	 * categories tab and the most used categories tab.
	 *
	 * @since 2.5.0
	 *
	 * @return {void}
	 */
	syncChecks = function() {
		if ( noSyncChecks )
			return;
		noSyncChecks = true;
		var th = $(this), c = th.is(':checked'), id = th.val().toString();
		$('#in-link-category-' + id + ', #in-popular-link_category-' + id).prop( 'checked', c );
		noSyncChecks = false;
	};

	/**
	 * Adds event listeners to an added category.
	 *
	 * This is run on the addAfter event to make sure the correct event listeners
	 * are bound to the DOM elements.
	 *
	 * @since 2.5.0
	 *
	 * @param {string} r Raw XML response returned from the server after adding a
	 *                   category.
	 * @param {Object} s List manager configuration object; settings for the Ajax
	 *                   request.
	 *
	 * @return {void}
	 */
	catAddAfter = function( r, s ) {
		$(s.what + ' response_data', r).each( function() {
			var t = $($(this).text());
			t.find( 'label' ).each( function() {
				var th = $(this),
					val = th.find('input').val(),
					id = th.find('input')[0].id,
					name = th.text().trim(),
					o;
				$('#' + id).on( 'change', syncChecks );
				o = $( '<option value="' +  parseInt( val, 10 ) + '"></option>' ).text( name );
			} );
		} );
	};

	/*
	 * Instantiates the list manager.
	 *
	 * @see js/_enqueues/lib/lists.js
	 */
	$('#categorychecklist').wpList( {
		// CSS class name for alternate styling.
		alt: '',

		// The type of list.
		what: 'link-category',

		// ID of the element the parsed Ajax response will be stored in.
		response: 'category-ajax-response',

		// Callback that's run after an item got added to the list.
		addAfter: catAddAfter
	} );

	// All categories is the default tab, so we delete the user setting.
	$('a[href="#categories-all"]').on( 'click', function(){deleteUserSetting('cats');});

	// Set a preference for the popular categories to cookies.
	$('a[href="#categories-pop"]').on( 'click', function(){setUserSetting('cats','pop');});

	if ( 'pop' == getUserSetting('cats') )
		$('a[href="#categories-pop"]').trigger( 'click' );

	/**
	 * Adds event handler that shows the interface controls to add a new category.
	 *
	 * @ignore
	 *
	 * @param {Event} event The event object.
	 * @return {boolean} Always returns false to prevent regular link
	 *                   functionality.
	 */
	$('#category-add-toggle').on( 'click', function() {
		$(this).parents('div:first').toggleClass( 'wp-hidden-children' );
		$('#category-tabs a[href="#categories-all"]').trigger( 'click' );
		$('#newcategory').trigger( 'focus' );
		return false;
	} );

	$('.categorychecklist :checkbox').on( 'change', syncChecks ).filter( ':checked' ).trigger( 'change' );
});
PK       ! ��k�u  u    accordion.jsnu �[���        /**
 * Accordion-folding functionality.
 *
 * Markup with the appropriate classes will be automatically hidden,
 * with one section opening at a time when its title is clicked.
 * Use the following markup structure for accordion behavior:
 *
 * <div class="accordion-container">
 *	<div class="accordion-section open">
 *		<h3 class="accordion-section-title"><button type="button" aria-expanded="true" aria-controls="target-1"></button></h3>
 *		<div class="accordion-section-content" id="target">
 *		</div>
 *	</div>
 *	<div class="accordion-section">
 *		<h3 class="accordion-section-title"><button type="button" aria-expanded="false" aria-controls="target-2"></button></h3>
 *		<div class="accordion-section-content" id="target-2">
 *		</div>
 *	</div>
 *	<div class="accordion-section">
 *		<h3 class="accordion-section-title"><button type="button" aria-expanded="false" aria-controls="target-3"></button></h3>
 *		<div class="accordion-section-content" id="target-3">
 *		</div>
 *	</div>
 * </div>
 *
 * Note that any appropriate tags may be used, as long as the above classes are present.
 *
 * @since 3.6.0
 * @output wp-admin/js/accordion.js
 */

( function( $ ){

	$( function () {

		// Expand/Collapse accordion sections on click.
		$( '.accordion-container' ).on( 'click', '.accordion-section-title button', function() {
			accordionSwitch( $( this ) );
		});

	});

	/**
	 * Close the current accordion section and open a new one.
	 *
	 * @param {Object} el Title element of the accordion section to toggle.
	 * @since 3.6.0
	 */
	function accordionSwitch ( el ) {
		var section = el.closest( '.accordion-section' ),
			container = section.closest( '.accordion-container' ),
			siblings = container.find( '.open' ),
			siblingsToggleControl = siblings.find( '[aria-expanded]' ).first(),
			content = section.find( '.accordion-section-content' );

		// This section has no content and cannot be expanded.
		if ( section.hasClass( 'cannot-expand' ) ) {
			return;
		}

		// Add a class to the container to let us know something is happening inside.
		// This helps in cases such as hiding a scrollbar while animations are executing.
		container.addClass( 'opening' );

		if ( section.hasClass( 'open' ) ) {
			section.toggleClass( 'open' );
			content.toggle( true ).slideToggle( 150 );
		} else {
			siblingsToggleControl.attr( 'aria-expanded', 'false' );
			siblings.removeClass( 'open' );
			siblings.find( '.accordion-section-content' ).show().slideUp( 150 );
			content.toggle( false ).slideToggle( 150 );
			section.toggleClass( 'open' );
		}

		// We have to wait for the animations to finish.
		setTimeout(function(){
		    container.removeClass( 'opening' );
		}, 150);

		// If there's an element with an aria-expanded attribute, assume it's a toggle control and toggle the aria-expanded value.
		if ( el ) {
			el.attr( 'aria-expanded', String( el.attr( 'aria-expanded' ) === 'false' ) );
		}
	}

})(jQuery);
PK       ! �l�4  �4    editor-expand.min.jsnu �[���        /*! This file is auto-generated */
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 * The functions necessary for editing images.
 *
 * @since 2.9.0
 * @output wp-admin/js/image-edit.js
 */

 /* global ajaxurl, confirm */

(function($) {
	var __ = wp.i18n.__;

	/**
	 * Contains all the methods to initialize and control the image editor.
	 *
	 * @namespace imageEdit
	 */
	var imageEdit = window.imageEdit = {
	iasapi : {},
	hold : {},
	postid : '',
	_view : false,

	/**
	 * Enable crop tool.
	 */
	toggleCropTool: function( postid, nonce, cropButton ) {
		var img = $( '#image-preview-' + postid ),
			selection = this.iasapi.getSelection();

		imageEdit.toggleControls( cropButton );
		var $el = $( cropButton );
		var state = ( $el.attr( 'aria-expanded' ) === 'true' ) ? 'true' : 'false';
		// Crop tools have been closed.
		if ( 'false' === state ) {
			// Cancel selection, but do not unset inputs.
			this.iasapi.cancelSelection();
			imageEdit.setDisabled($('.imgedit-crop-clear'), 0);
		} else {
			imageEdit.setDisabled($('.imgedit-crop-clear'), 1);
			// Get values from inputs to restore previous selection.
			var startX = ( $( '#imgedit-start-x-' + postid ).val() ) ? $('#imgedit-start-x-' + postid).val() : 0;
			var startY = ( $( '#imgedit-start-y-' + postid ).val() ) ? $('#imgedit-start-y-' + postid).val() : 0;
			var width = ( $( '#imgedit-sel-width-' + postid ).val() ) ? $('#imgedit-sel-width-' + postid).val() : img.innerWidth();
			var height = ( $( '#imgedit-sel-height-' + postid ).val() ) ? $('#imgedit-sel-height-' + postid).val() : img.innerHeight();
			// Ensure selection is available, otherwise reset to full image.
			if ( isNaN( selection.x1 ) ) {
				this.setCropSelection( postid, { 'x1': startX, 'y1': startY, 'x2': width, 'y2': height, 'width': width, 'height': height } );
				selection = this.iasapi.getSelection();
			}

			// If we don't already have a selection, select the entire image.
			if ( 0 === selection.x1 && 0 === selection.y1 && 0 === selection.x2 && 0 === selection.y2 ) {
				this.iasapi.setSelection( 0, 0, img.innerWidth(), img.innerHeight(), true );
				this.iasapi.setOptions( { show: true } );
				this.iasapi.update();
			} else {
				this.iasapi.setSelection( startX, startY, width, height, true );
				this.iasapi.setOptions( { show: true } );
				this.iasapi.update();
			}
		}
	},

	/**
	 * Handle crop tool clicks.
	 */
	handleCropToolClick: function( postid, nonce, cropButton ) {

		if ( cropButton.classList.contains( 'imgedit-crop-clear' ) ) {
			this.iasapi.cancelSelection();
			imageEdit.setDisabled($('.imgedit-crop-apply'), 0);

			$('#imgedit-sel-width-' + postid).val('');
			$('#imgedit-sel-height-' + postid).val('');
			$('#imgedit-start-x-' + postid).val('0');
			$('#imgedit-start-y-' + postid).val('0');
			$('#imgedit-selection-' + postid).val('');
		} else {
			// Otherwise, perform the crop.
			imageEdit.crop( postid, nonce , cropButton );
		}
	},

	/**
	 * Converts a value to an integer.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} f The float value that should be converted.
	 *
	 * @return {number} The integer representation from the float value.
	 */
	intval : function(f) {
		/*
		 * Bitwise OR operator: one of the obscure ways to truncate floating point figures,
		 * worth reminding JavaScript doesn't have a distinct "integer" type.
		 */
		return f | 0;
	},

	/**
	 * Adds the disabled attribute and class to a single form element or a field set.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {jQuery}         el The element that should be modified.
	 * @param {boolean|number} s  The state for the element. If set to true
	 *                            the element is disabled,
	 *                            otherwise the element is enabled.
	 *                            The function is sometimes called with a 0 or 1
	 *                            instead of true or false.
	 *
	 * @return {void}
	 */
	setDisabled : function( el, s ) {
		/*
		 * `el` can be a single form element or a fieldset. Before #28864, the disabled state on
		 * some text fields  was handled targeting $('input', el). Now we need to handle the
		 * disabled state on buttons too so we can just target `el` regardless if it's a single
		 * element or a fieldset because when a fieldset is disabled, its descendants are disabled too.
		 */
		if ( s ) {
			el.removeClass( 'disabled' ).prop( 'disabled', false );
		} else {
			el.addClass( 'disabled' ).prop( 'disabled', true );
		}
	},

	/**
	 * Initializes the image editor.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {void}
	 */
	init : function(postid) {
		var t = this, old = $('#image-editor-' + t.postid);

		if ( t.postid !== postid && old.length ) {
			t.close(t.postid);
		}

		t.hold.sizer = parseFloat( $('#imgedit-sizer-' + postid).val() );
		t.postid = postid;
		$('#imgedit-response-' + postid).empty();

		$('#imgedit-panel-' + postid).on( 'keypress', function(e) {
			var nonce = $( '#imgedit-nonce-' + postid ).val();
			if ( e.which === 26 && e.ctrlKey ) {
				imageEdit.undo( postid, nonce );
			}

			if ( e.which === 25 && e.ctrlKey ) {
				imageEdit.redo( postid, nonce );
			}
		});

		$('#imgedit-panel-' + postid).on( 'keypress', 'input[type="text"]', function(e) {
			var k = e.keyCode;

			// Key codes 37 through 40 are the arrow keys.
			if ( 36 < k && k < 41 ) {
				$(this).trigger( 'blur' );
			}

			// The key code 13 is the Enter key.
			if ( 13 === k ) {
				e.preventDefault();
				e.stopPropagation();
				return false;
			}
		});

		$( document ).on( 'image-editor-ui-ready', this.focusManager );
	},

	/**
	 * Calculate the image size and save it to memory.
	 *
	 * @since 6.7.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {void}
	 */
	calculateImgSize: function( postid ) {
		var t = this,
		x = t.intval( $( '#imgedit-x-' + postid ).val() ),
		y = t.intval( $( '#imgedit-y-' + postid ).val() );

		t.hold.w = t.hold.ow = x;
		t.hold.h = t.hold.oh = y;
		t.hold.xy_ratio = x / y;
		t.hold.sizer = parseFloat( $( '#imgedit-sizer-' + postid ).val() );
		t.currentCropSelection = null;
	},

	/**
	 * Toggles the wait/load icon in the editor.
	 *
	 * @since 2.9.0
	 * @since 5.5.0 Added the triggerUIReady parameter.
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}  postid         The post ID.
	 * @param {number}  toggle         Is 0 or 1, fades the icon in when 1 and out when 0.
	 * @param {boolean} triggerUIReady Whether to trigger a custom event when the UI is ready. Default false.
	 *
	 * @return {void}
	 */
	toggleEditor: function( postid, toggle, triggerUIReady ) {
		var wait = $('#imgedit-wait-' + postid);

		if ( toggle ) {
			wait.fadeIn( 'fast' );
		} else {
			wait.fadeOut( 'fast', function() {
				if ( triggerUIReady ) {
					$( document ).trigger( 'image-editor-ui-ready' );
				}
			} );
		}
	},

	/**
	 * Shows or hides image menu popup.
	 *
	 * @since 6.3.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {HTMLElement} el The activated control element.
	 *
	 * @return {boolean} Always returns false.
	 */
	togglePopup : function(el) {
		var $el = $( el );
		var $targetEl = $( el ).attr( 'aria-controls' );
		var $target = $( '#' + $targetEl );
		$el
			.attr( 'aria-expanded', 'false' === $el.attr( 'aria-expanded' ) ? 'true' : 'false' );
		// Open menu and set z-index to appear above image crop area if it is enabled.
		$target
			.toggleClass( 'imgedit-popup-menu-open' ).slideToggle( 'fast' ).css( { 'z-index' : 200000 } );
		// Move focus to first item in menu when opening menu.
		if ( 'true' === $el.attr( 'aria-expanded' ) ) {
			$target.find( 'button' ).first().trigger( 'focus' );
		}

		return false;
	},

	/**
	 * Observes whether the popup should remain open based on focus position.
	 *
	 * @since 6.4.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {HTMLElement} el The activated control element.
	 *
	 * @return {boolean} Always returns false.
	 */
	monitorPopup : function() {
		var $parent = document.querySelector( '.imgedit-rotate-menu-container' );
		var $toggle = document.querySelector( '.imgedit-rotate-menu-container .imgedit-rotate' );

		setTimeout( function() {
			var $focused = document.activeElement;
			var $contains = $parent.contains( $focused );

			// If $focused is defined and not inside the menu container, close the popup.
			if ( $focused && ! $contains ) {
				if ( 'true' === $toggle.getAttribute( 'aria-expanded' ) ) {
					imageEdit.togglePopup( $toggle );
				}
			}
		}, 100 );

		return false;
	},

	/**
	 * Navigate popup menu by arrow keys.
	 *
	 * @since 6.3.0
	 * @since 6.7.0 Added the event parameter.
	 *
	 * @memberof imageEdit
	 *
	 * @param {Event} event The key or click event.
	 * @param {HTMLElement} el The current element.
	 *
	 * @return {boolean} Always returns false.
	 */
	browsePopup : function(event, el) {
		var $el = $( el );
		var $collection = $( el ).parent( '.imgedit-popup-menu' ).find( 'button' );
		var $index = $collection.index( $el );
		var $prev = $index - 1;
		var $next = $index + 1;
		var $last = $collection.length;
		if ( $prev < 0 ) {
			$prev = $last - 1;
		}
		if ( $next === $last ) {
			$next = 0;
		}
		var target = false;
		if ( event.keyCode === 40 ) {
			target = $collection.get( $next );
		} else if ( event.keyCode === 38 ) {
			target = $collection.get( $prev );
		}
		if ( target ) {
			target.focus();
			event.preventDefault();
		}

		return false;
	},

	/**
	 * Close popup menu and reset focus on feature activation.
	 *
	 * @since 6.3.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {HTMLElement} el The current element.
	 *
	 * @return {boolean} Always returns false.
	 */
	closePopup : function(el) {
		var $parent = $(el).parent( '.imgedit-popup-menu' );
		var $controlledID = $parent.attr( 'id' );
		var $target = $( 'button[aria-controls="' + $controlledID + '"]' );
		$target
			.attr( 'aria-expanded', 'false' ).trigger( 'focus' );
		$parent
			.toggleClass( 'imgedit-popup-menu-open' ).slideToggle( 'fast' );

		return false;
	},

	/**
	 * Shows or hides the image edit help box.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {HTMLElement} el The element to create the help window in.
	 *
	 * @return {boolean} Always returns false.
	 */
	toggleHelp : function(el) {
		var $el = $( el );
		$el
			.attr( 'aria-expanded', 'false' === $el.attr( 'aria-expanded' ) ? 'true' : 'false' )
			.parents( '.imgedit-group-top' ).toggleClass( 'imgedit-help-toggled' ).find( '.imgedit-help' ).slideToggle( 'fast' );

		return false;
	},

	/**
	 * Shows or hides image edit input fields when enabled.
	 *
	 * @since 6.3.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {HTMLElement} el The element to trigger the edit panel.
	 *
	 * @return {boolean} Always returns false.
	 */
	toggleControls : function(el) {
		var $el = $( el );
		var $target = $( '#' + $el.attr( 'aria-controls' ) );
		$el
			.attr( 'aria-expanded', 'false' === $el.attr( 'aria-expanded' ) ? 'true' : 'false' );
		$target
			.parent( '.imgedit-group' ).toggleClass( 'imgedit-panel-active' );

		return false;
	},

	/**
	 * Gets the value from the image edit target.
	 *
	 * The image edit target contains the image sizes where the (possible) changes
	 * have to be applied to.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {string} The value from the imagedit-save-target input field when available,
	 *                  'full' when not selected, or 'all' if it doesn't exist.
	 */
	getTarget : function( postid ) {
		var element = $( '#imgedit-save-target-' + postid );

		if ( element.length ) {
			return element.find( 'input[name="imgedit-target-' + postid + '"]:checked' ).val() || 'full';
		}

		return 'all';
	},

	/**
	 * Recalculates the height or width and keeps the original aspect ratio.
	 *
	 * If the original image size is exceeded a red exclamation mark is shown.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}         postid The current post ID.
	 * @param {number}         x      Is 0 when it applies the y-axis
	 *                                and 1 when applicable for the x-axis.
	 * @param {jQuery}         el     Element.
	 *
	 * @return {void}
	 */
	scaleChanged : function( postid, x, el ) {
		var w = $('#imgedit-scale-width-' + postid), h = $('#imgedit-scale-height-' + postid),
		warn = $('#imgedit-scale-warn-' + postid), w1 = '', h1 = '',
		scaleBtn = $('#imgedit-scale-button');

		if ( false === this.validateNumeric( el ) ) {
			return;
		}

		if ( x ) {
			h1 = ( w.val() !== '' ) ? Math.round( w.val() / this.hold.xy_ratio ) : '';
			h.val( h1 );
		} else {
			w1 = ( h.val() !== '' ) ? Math.round( h.val() * this.hold.xy_ratio ) : '';
			w.val( w1 );
		}

		if ( ( h1 && h1 > this.hold.oh ) || ( w1 && w1 > this.hold.ow ) ) {
			warn.css('visibility', 'visible');
			scaleBtn.prop('disabled', true);
		} else {
			warn.css('visibility', 'hidden');
			scaleBtn.prop('disabled', false);
		}
	},

	/**
	 * Gets the selected aspect ratio.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {string} The aspect ratio.
	 */
	getSelRatio : function(postid) {
		var x = this.hold.w, y = this.hold.h,
			X = this.intval( $('#imgedit-crop-width-' + postid).val() ),
			Y = this.intval( $('#imgedit-crop-height-' + postid).val() );

		if ( X && Y ) {
			return X + ':' + Y;
		}

		if ( x && y ) {
			return x + ':' + y;
		}

		return '1:1';
	},

	/**
	 * Removes the last action from the image edit history.
	 * The history consist of (edit) actions performed on the image.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid  The post ID.
	 * @param {number} setSize 0 or 1, when 1 the image resets to its original size.
	 *
	 * @return {string} JSON string containing the history or an empty string if no history exists.
	 */
	filterHistory : function(postid, setSize) {
		// Apply undo state to history.
		var history = $('#imgedit-history-' + postid).val(), pop, n, o, i, op = [];

		if ( history !== '' ) {
			// Read the JSON string with the image edit history.
			history = JSON.parse(history);
			pop = this.intval( $('#imgedit-undone-' + postid).val() );
			if ( pop > 0 ) {
				while ( pop > 0 ) {
					history.pop();
					pop--;
				}
			}

			// Reset size to its original state.
			if ( setSize ) {
				if ( !history.length ) {
					this.hold.w = this.hold.ow;
					this.hold.h = this.hold.oh;
					return '';
				}

				// Restore original 'o'.
				o = history[history.length - 1];

				// c = 'crop', r = 'rotate', f = 'flip'.
				o = o.c || o.r || o.f || false;

				if ( o ) {
					// fw = Full image width.
					this.hold.w = o.fw;
					// fh = Full image height.
					this.hold.h = o.fh;
				}
			}

			// Filter the last step/action from the history.
			for ( n in history ) {
				i = history[n];
				if ( i.hasOwnProperty('c') ) {
					op[n] = { 'c': { 'x': i.c.x, 'y': i.c.y, 'w': i.c.w, 'h': i.c.h, 'r': i.c.r } };
				} else if ( i.hasOwnProperty('r') ) {
					op[n] = { 'r': i.r.r };
				} else if ( i.hasOwnProperty('f') ) {
					op[n] = { 'f': i.f.f };
				}
			}
			return JSON.stringify(op);
		}
		return '';
	},
	/**
	 * Binds the necessary events to the image.
	 *
	 * When the image source is reloaded the image will be reloaded.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}   postid   The post ID.
	 * @param {string}   nonce    The nonce to verify the request.
	 * @param {function} callback Function to execute when the image is loaded.
	 *
	 * @return {void}
	 */
	refreshEditor : function(postid, nonce, callback) {
		var t = this, data, img;

		t.toggleEditor(postid, 1);
		data = {
			'action': 'imgedit-preview',
			'_ajax_nonce': nonce,
			'postid': postid,
			'history': t.filterHistory(postid, 1),
			'rand': t.intval(Math.random() * 1000000)
		};

		img = $( '<img id="image-preview-' + postid + '" alt="" />' )
			.on( 'load', { history: data.history }, function( event ) {
				var max1, max2,
					parent = $( '#imgedit-crop-' + postid ),
					t = imageEdit,
					historyObj;

				// Checks if there already is some image-edit history.
				if ( '' !== event.data.history ) {
					historyObj = JSON.parse( event.data.history );
					// If last executed action in history is a crop action.
					if ( historyObj[historyObj.length - 1].hasOwnProperty( 'c' ) ) {
						/*
						 * A crop action has completed and the crop button gets disabled
						 * ensure the undo button is enabled.
						 */
						t.setDisabled( $( '#image-undo-' + postid) , true );
						// Move focus to the undo button to avoid a focus loss.
						$( '#image-undo-' + postid ).trigger( 'focus' );
					}
				}

				parent.empty().append(img);

				// w, h are the new full size dimensions.
				max1 = Math.max( t.hold.w, t.hold.h );
				max2 = Math.max( $(img).width(), $(img).height() );
				t.hold.sizer = max1 > max2 ? max2 / max1 : 1;

				t.initCrop(postid, img, parent);

				if ( (typeof callback !== 'undefined') && callback !== null ) {
					callback();
				}

				if ( $('#imgedit-history-' + postid).val() && $('#imgedit-undone-' + postid).val() === '0' ) {
					$('button.imgedit-submit-btn', '#imgedit-panel-' + postid).prop('disabled', false);
				} else {
					$('button.imgedit-submit-btn', '#imgedit-panel-' + postid).prop('disabled', true);
				}
				var successMessage = __( 'Image updated.' );

				t.toggleEditor(postid, 0);
				wp.a11y.speak( successMessage, 'assertive' );
			})
			.on( 'error', function() {
				var errorMessage = __( 'Could not load the preview image. Please reload the page and try again.' );

				$( '#imgedit-crop-' + postid )
					.empty()
					.append( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + errorMessage + '</p></div>' );

				t.toggleEditor( postid, 0, true );
				wp.a11y.speak( errorMessage, 'assertive' );
			} )
			.attr('src', ajaxurl + '?' + $.param(data));
	},
	/**
	 * Performs an image edit action.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce to verify the request.
	 * @param {string} action The action to perform on the image.
	 *                        The possible actions are: "scale" and "restore".
	 *
	 * @return {boolean|void} Executes a post request that refreshes the page
	 *                        when the action is performed.
	 *                        Returns false if an invalid action is given,
	 *                        or when the action cannot be performed.
	 */
	action : function(postid, nonce, action) {
		var t = this, data, w, h, fw, fh;

		if ( t.notsaved(postid) ) {
			return false;
		}

		data = {
			'action': 'image-editor',
			'_ajax_nonce': nonce,
			'postid': postid
		};

		if ( 'scale' === action ) {
			w = $('#imgedit-scale-width-' + postid),
			h = $('#imgedit-scale-height-' + postid),
			fw = t.intval(w.val()),
			fh = t.intval(h.val());

			if ( fw < 1 ) {
				w.trigger( 'focus' );
				return false;
			} else if ( fh < 1 ) {
				h.trigger( 'focus' );
				return false;
			}

			if ( fw === t.hold.ow || fh === t.hold.oh ) {
				return false;
			}

			data['do'] = 'scale';
			data.fwidth = fw;
			data.fheight = fh;
		} else if ( 'restore' === action ) {
			data['do'] = 'restore';
		} else {
			return false;
		}

		t.toggleEditor(postid, 1);
		$.post( ajaxurl, data, function( response ) {
			$( '#image-editor-' + postid ).empty().append( response.data.html );
			t.toggleEditor( postid, 0, true );
			// Refresh the attachment model so that changes propagate.
			if ( t._view ) {
				t._view.refresh();
			}
		} ).done( function( response ) {
			// Whether the executed action was `scale` or `restore`, the response does have a message.
			if ( response && response.data.message.msg ) {
				wp.a11y.speak( response.data.message.msg );
				return;
			}

			if ( response && response.data.message.error ) {
				wp.a11y.speak( response.data.message.error );
			}
		} );
	},

	/**
	 * Stores the changes that are made to the image.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}  postid   The post ID to get the image from the database.
	 * @param {string}  nonce    The nonce to verify the request.
	 *
	 * @return {boolean|void}  If the actions are successfully saved a response message is shown.
	 *                         Returns false if there is no image editing history,
	 *                         thus there are not edit-actions performed on the image.
	 */
	save : function(postid, nonce) {
		var data,
			target = this.getTarget(postid),
			history = this.filterHistory(postid, 0),
			self = this;

		if ( '' === history ) {
			return false;
		}

		this.toggleEditor(postid, 1);
		data = {
			'action': 'image-editor',
			'_ajax_nonce': nonce,
			'postid': postid,
			'history': history,
			'target': target,
			'context': $('#image-edit-context').length ? $('#image-edit-context').val() : null,
			'do': 'save'
		};
		// Post the image edit data to the backend.
		$.post( ajaxurl, data, function( response ) {
			// If a response is returned, close the editor and show an error.
			if ( response.data.error ) {
				$( '#imgedit-response-' + postid )
					.html( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + response.data.error + '</p></div>' );

				imageEdit.close(postid);
				wp.a11y.speak( response.data.error );
				return;
			}

			if ( response.data.fw && response.data.fh ) {
				$( '#media-dims-' + postid ).html( response.data.fw + ' &times; ' + response.data.fh );
			}

			if ( response.data.thumbnail ) {
				$( '.thumbnail', '#thumbnail-head-' + postid ).attr( 'src', '' + response.data.thumbnail );
			}

			if ( response.data.msg ) {
				$( '#imgedit-response-' + postid )
					.html( '<div class="notice notice-success" tabindex="-1" role="alert"><p>' + response.data.msg + '</p></div>' );

				wp.a11y.speak( response.data.msg );
			}

			if ( self._view ) {
				self._view.save();
			} else {
				imageEdit.close(postid);
			}
		});
	},

	/**
	 * Creates the image edit window.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid   The post ID for the image.
	 * @param {string} nonce    The nonce to verify the request.
	 * @param {Object} view     The image editor view to be used for the editing.
	 *
	 * @return {void|promise} Either returns void if the button was already activated
	 *                        or returns an instance of the image editor, wrapped in a promise.
	 */
	open : function( postid, nonce, view ) {
		this._view = view;

		var dfd, data,
			elem = $( '#image-editor-' + postid ),
			head = $( '#media-head-' + postid ),
			btn = $( '#imgedit-open-btn-' + postid ),
			spin = btn.siblings( '.spinner' );

		/*
		 * Instead of disabling the button, which causes a focus loss and makes screen
		 * readers announce "unavailable", return if the button was already clicked.
		 */
		if ( btn.hasClass( 'button-activated' ) ) {
			return;
		}

		spin.addClass( 'is-active' );

		data = {
			'action': 'image-editor',
			'_ajax_nonce': nonce,
			'postid': postid,
			'do': 'open'
		};

		dfd = $.ajax( {
			url:  ajaxurl,
			type: 'post',
			data: data,
			beforeSend: function() {
				btn.addClass( 'button-activated' );
			}
		} ).done( function( response ) {
			var errorMessage;

			if ( '-1' === response ) {
				errorMessage = __( 'Could not load the preview image.' );
				elem.html( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + errorMessage + '</p></div>' );
			}

			if ( response.data && response.data.html ) {
				elem.html( response.data.html );
			}

			head.fadeOut( 'fast', function() {
				elem.fadeIn( 'fast', function() {
					if ( errorMessage ) {
						$( document ).trigger( 'image-editor-ui-ready' );
					}
				} );
				btn.removeClass( 'button-activated' );
				spin.removeClass( 'is-active' );
			} );
			// Initialize the Image Editor now that everything is ready.
			imageEdit.init( postid );
		} );

		return dfd;
	},

	/**
	 * Initializes the cropping tool and sets a default cropping selection.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {void}
	 */
	imgLoaded : function(postid) {
		var img = $('#image-preview-' + postid), parent = $('#imgedit-crop-' + postid);

		// Ensure init has run even when directly loaded.
		if ( 'undefined' === typeof this.hold.sizer ) {
			this.init( postid );
		}
		this.calculateImgSize( postid );

		this.initCrop(postid, img, parent);
		this.setCropSelection( postid, { 'x1': 0, 'y1': 0, 'x2': 0, 'y2': 0, 'width': img.innerWidth(), 'height': img.innerHeight() } );

		this.toggleEditor( postid, 0, true );
	},

	/**
	 * Manages keyboard focus in the Image Editor user interface.
	 *
	 * @since 5.5.0
	 *
	 * @return {void}
	 */
	focusManager: function() {
		/*
		 * Editor is ready. Move focus to one of the admin alert notices displayed
		 * after a user action or to the first focusable element. Since the DOM
		 * update is pretty large, the timeout helps browsers update their
		 * accessibility tree to better support assistive technologies.
		 */
		setTimeout( function() {
			var elementToSetFocusTo = $( '.notice[role="alert"]' );

			if ( ! elementToSetFocusTo.length ) {
				elementToSetFocusTo = $( '.imgedit-wrap' ).find( ':tabbable:first' );
			}

			elementToSetFocusTo.attr( 'tabindex', '-1' ).trigger( 'focus' );
		}, 100 );
	},

	/**
	 * Initializes the cropping tool.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}      postid The post ID.
	 * @param {HTMLElement} image  The preview image.
	 * @param {HTMLElement} parent The preview image container.
	 *
	 * @return {void}
	 */
	initCrop : function(postid, image, parent) {
		var t = this,
			selW = $('#imgedit-sel-width-' + postid),
			selH = $('#imgedit-sel-height-' + postid),
			$image = $( image ),
			$img;

		// Already initialized?
		if ( $image.data( 'imgAreaSelect' ) ) {
			return;
		}

		t.iasapi = $image.imgAreaSelect({
			parent: parent,
			instance: true,
			handles: true,
			keys: true,
			minWidth: 3,
			minHeight: 3,

			/**
			 * Sets the CSS styles and binds events for locking the aspect ratio.
			 *
			 * @ignore
			 *
			 * @param {jQuery} img The preview image.
			 */
			onInit: function( img ) {
				// Ensure that the imgAreaSelect wrapper elements are position:absolute
				// (even if we're in a position:fixed modal).
				$img = $( img );
				$img.next().css( 'position', 'absolute' )
					.nextAll( '.imgareaselect-outer' ).css( 'position', 'absolute' );
				/**
				 * Binds mouse down event to the cropping container.
				 *
				 * @return {void}
				 */
				parent.children().on( 'mousedown touchstart', function(e) {
					var ratio = false,
					 	sel = t.iasapi.getSelection(),
					 	cx = t.intval( $( '#imgedit-crop-width-' + postid ).val() ),
					 	cy = t.intval( $( '#imgedit-crop-height-' + postid ).val() );

					if ( cx && cy ) {
						ratio = t.getSelRatio( postid );
					} else if ( e.shiftKey && sel && sel.width && sel.height ) {
						ratio = sel.width + ':' + sel.height;
					}

					t.iasapi.setOptions({
						aspectRatio: ratio
					});
				});
			},

			/**
			 * Event triggered when starting a selection.
			 *
			 * @ignore
			 *
			 * @return {void}
			 */
			onSelectStart: function() {
				imageEdit.setDisabled($('#imgedit-crop-sel-' + postid), 1);
				imageEdit.setDisabled($('.imgedit-crop-clear'), 1);
				imageEdit.setDisabled($('.imgedit-crop-apply'), 1);
			},
			/**
			 * Event triggered when the selection is ended.
			 *
			 * @ignore
			 *
			 * @param {Object} img jQuery object representing the image.
			 * @param {Object} c   The selection.
			 *
			 * @return {Object}
			 */
			onSelectEnd: function(img, c) {
				imageEdit.setCropSelection(postid, c);
				if ( ! $('#imgedit-crop > *').is(':visible') ) {
					imageEdit.toggleControls($('.imgedit-crop.button'));
				}
			},

			/**
			 * Event triggered when the selection changes.
			 *
			 * @ignore
			 *
			 * @param {Object} img jQuery object representing the image.
			 * @param {Object} c   The selection.
			 *
			 * @return {void}
			 */
			onSelectChange: function(img, c) {
				var sizer = imageEdit.hold.sizer,
					oldSel = imageEdit.currentCropSelection;

				if ( oldSel != null && oldSel.width == c.width && oldSel.height == c.height ) {
					return;
				}

				selW.val( Math.min( imageEdit.hold.w, imageEdit.round( c.width / sizer ) ) );
				selH.val( Math.min( imageEdit.hold.h, imageEdit.round( c.height / sizer ) ) );

				t.currentCropSelection = c;
			}
		});
	},

	/**
	 * Stores the current crop selection.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 * @param {Object} c      The selection.
	 *
	 * @return {boolean}
	 */
	setCropSelection : function(postid, c) {
		var sel,
			selW = $( '#imgedit-sel-width-' + postid ),
			selH = $( '#imgedit-sel-height-' + postid ),
			sizer = this.hold.sizer,
			hold = this.hold;

		c = c || 0;

		if ( !c || ( c.width < 3 && c.height < 3 ) ) {
			this.setDisabled( $( '.imgedit-crop', '#imgedit-panel-' + postid ), 1 );
			this.setDisabled( $( '#imgedit-crop-sel-' + postid ), 1 );
			$('#imgedit-sel-width-' + postid).val('');
			$('#imgedit-sel-height-' + postid).val('');
			$('#imgedit-start-x-' + postid).val('0');
			$('#imgedit-start-y-' + postid).val('0');
			$('#imgedit-selection-' + postid).val('');
			return false;
		}

		// adjust the selection within the bounds of the image on 100% scale
		var excessW = hold.w - ( Math.round( c.x1 / sizer ) + parseInt( selW.val() ) );
		var excessH = hold.h - ( Math.round( c.y1 / sizer ) + parseInt( selH.val() ) );
		var x = Math.round( c.x1 / sizer ) + Math.min( 0, excessW );
		var y = Math.round( c.y1 / sizer ) + Math.min( 0, excessH );

		// use 100% scaling to prevent rounding errors
		sel = { 'r': 1, 'x': x, 'y': y, 'w': selW.val(), 'h': selH.val() };

		this.setDisabled($('.imgedit-crop', '#imgedit-panel-' + postid), 1);
		$('#imgedit-selection-' + postid).val( JSON.stringify(sel) );
	},


	/**
	 * Closes the image editor.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number}  postid The post ID.
	 * @param {boolean} warn   Warning message.
	 *
	 * @return {void|boolean} Returns false if there is a warning.
	 */
	close : function(postid, warn) {
		warn = warn || false;

		if ( warn && this.notsaved(postid) ) {
			return false;
		}

		this.iasapi = {};
		this.hold = {};

		// If we've loaded the editor in the context of a Media Modal,
		// then switch to the previous view, whatever that might have been.
		if ( this._view ){
			this._view.back();
		}

		// In case we are not accessing the image editor in the context of a View,
		// close the editor the old-school way.
		else {
			$('#image-editor-' + postid).fadeOut('fast', function() {
				$( '#media-head-' + postid ).fadeIn( 'fast', function() {
					// Move focus back to the Edit Image button. Runs also when saving.
					$( '#imgedit-open-btn-' + postid ).trigger( 'focus' );
				});
				$(this).empty();
			});
		}


	},

	/**
	 * Checks if the image edit history is saved.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 *
	 * @return {boolean} Returns true if the history is not saved.
	 */
	notsaved : function(postid) {
		var h = $('#imgedit-history-' + postid).val(),
			history = ( h !== '' ) ? JSON.parse(h) : [],
			pop = this.intval( $('#imgedit-undone-' + postid).val() );

		if ( pop < history.length ) {
			if ( confirm( $('#imgedit-leaving-' + postid).text() ) ) {
				return false;
			}
			return true;
		}
		return false;
	},

	/**
	 * Adds an image edit action to the history.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {Object} op     The original position.
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce.
	 *
	 * @return {void}
	 */
	addStep : function(op, postid, nonce) {
		var t = this, elem = $('#imgedit-history-' + postid),
			history = ( elem.val() !== '' ) ? JSON.parse( elem.val() ) : [],
			undone = $( '#imgedit-undone-' + postid ),
			pop = t.intval( undone.val() );

		while ( pop > 0 ) {
			history.pop();
			pop--;
		}
		undone.val(0); // Reset.

		history.push(op);
		elem.val( JSON.stringify(history) );

		t.refreshEditor(postid, nonce, function() {
			t.setDisabled($('#image-undo-' + postid), true);
			t.setDisabled($('#image-redo-' + postid), false);
		});
	},

	/**
	 * Rotates the image.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {string} angle  The angle the image is rotated with.
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce.
	 * @param {Object} t      The target element.
	 *
	 * @return {boolean}
	 */
	rotate : function(angle, postid, nonce, t) {
		if ( $(t).hasClass('disabled') ) {
			return false;
		}
		this.closePopup(t);
		this.addStep({ 'r': { 'r': angle, 'fw': this.hold.h, 'fh': this.hold.w }}, postid, nonce);

		// Clear the selection fields after rotating.
		$( '#imgedit-sel-width-' + postid ).val( '' );
		$( '#imgedit-sel-height-' + postid ).val( '' );
		this.currentCropSelection = null;
	},

	/**
	 * Flips the image.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} axis   The axle the image is flipped on.
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce.
	 * @param {Object} t      The target element.
	 *
	 * @return {boolean}
	 */
	flip : function (axis, postid, nonce, t) {
		if ( $(t).hasClass('disabled') ) {
			return false;
		}
		this.closePopup(t);
		this.addStep({ 'f': { 'f': axis, 'fw': this.hold.w, 'fh': this.hold.h }}, postid, nonce);

		// Clear the selection fields after flipping.
		$( '#imgedit-sel-width-' + postid ).val( '' );
		$( '#imgedit-sel-height-' + postid ).val( '' );
		this.currentCropSelection = null;
	},

	/**
	 * Crops the image.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce.
	 * @param {Object} t      The target object.
	 *
	 * @return {void|boolean} Returns false if the crop button is disabled.
	 */
	crop : function (postid, nonce, t) {
		var sel = $('#imgedit-selection-' + postid).val(),
			w = this.intval( $('#imgedit-sel-width-' + postid).val() ),
			h = this.intval( $('#imgedit-sel-height-' + postid).val() );

		if ( $(t).hasClass('disabled') || sel === '' ) {
			return false;
		}

		sel = JSON.parse(sel);
		if ( sel.w > 0 && sel.h > 0 && w > 0 && h > 0 ) {
			sel.fw = w;
			sel.fh = h;
			this.addStep({ 'c': sel }, postid, nonce);
		}

		// Clear the selection fields after cropping.
		$( '#imgedit-sel-width-' + postid ).val( '' );
		$( '#imgedit-sel-height-' + postid ).val( '' );
		$( '#imgedit-start-x-' + postid ).val( '0' );
		$( '#imgedit-start-y-' + postid ).val( '0' );
		this.currentCropSelection = null;
	},

	/**
	 * Undoes an image edit action.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid   The post ID.
	 * @param {string} nonce    The nonce.
	 *
	 * @return {void|false} Returns false if the undo button is disabled.
	 */
	undo : function (postid, nonce) {
		var t = this, button = $('#image-undo-' + postid), elem = $('#imgedit-undone-' + postid),
			pop = t.intval( elem.val() ) + 1;

		if ( button.hasClass('disabled') ) {
			return;
		}

		elem.val(pop);
		t.refreshEditor(postid, nonce, function() {
			var elem = $('#imgedit-history-' + postid),
				history = ( elem.val() !== '' ) ? JSON.parse( elem.val() ) : [];

			t.setDisabled($('#image-redo-' + postid), true);
			t.setDisabled(button, pop < history.length);
			// When undo gets disabled, move focus to the redo button to avoid a focus loss.
			if ( history.length === pop ) {
				$( '#image-redo-' + postid ).trigger( 'focus' );
			}
		});
	},

	/**
	 * Reverts a undo action.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 * @param {string} nonce  The nonce.
	 *
	 * @return {void}
	 */
	redo : function(postid, nonce) {
		var t = this, button = $('#image-redo-' + postid), elem = $('#imgedit-undone-' + postid),
			pop = t.intval( elem.val() ) - 1;

		if ( button.hasClass('disabled') ) {
			return;
		}

		elem.val(pop);
		t.refreshEditor(postid, nonce, function() {
			t.setDisabled($('#image-undo-' + postid), true);
			t.setDisabled(button, pop > 0);
			// When redo gets disabled, move focus to the undo button to avoid a focus loss.
			if ( 0 === pop ) {
				$( '#image-undo-' + postid ).trigger( 'focus' );
			}
		});
	},

	/**
	 * Sets the selection for the height and width in pixels.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid The post ID.
	 * @param {jQuery} el     The element containing the values.
	 *
	 * @return {void|boolean} Returns false when the x or y value is lower than 1,
	 *                        void when the value is not numeric or when the operation
	 *                        is successful.
	 */
	setNumSelection : function( postid, el ) {
		var sel, elX = $('#imgedit-sel-width-' + postid), elY = $('#imgedit-sel-height-' + postid),
			elX1 = $('#imgedit-start-x-' + postid), elY1 = $('#imgedit-start-y-' + postid),
			xS = this.intval( elX1.val() ), yS = this.intval( elY1.val() ),
			x = this.intval( elX.val() ), y = this.intval( elY.val() ),
			img = $('#image-preview-' + postid), imgh = img.height(), imgw = img.width(),
			sizer = this.hold.sizer, x1, y1, x2, y2, ias = this.iasapi;

		this.currentCropSelection = null;

		if ( false === this.validateNumeric( el ) ) {
			return;
		}

		if ( x < 1 ) {
			elX.val('');
			return false;
		}

		if ( y < 1 ) {
			elY.val('');
			return false;
		}

		if ( ( ( x && y ) || ( xS && yS ) ) && ( sel = ias.getSelection() ) ) {
			x2 = sel.x1 + Math.round( x * sizer );
			y2 = sel.y1 + Math.round( y * sizer );
			x1 = ( xS === sel.x1 ) ? sel.x1 : Math.round( xS * sizer );
			y1 = ( yS === sel.y1 ) ? sel.y1 : Math.round( yS * sizer );

			if ( x2 > imgw ) {
				x1 = 0;
				x2 = imgw;
				elX.val( Math.min( this.hold.w, Math.round( x2 / sizer ) ) );
			}

			if ( y2 > imgh ) {
				y1 = 0;
				y2 = imgh;
				elY.val( Math.min( this.hold.h, Math.round( y2 / sizer ) ) );
			}

			ias.setSelection( x1, y1, x2, y2 );
			ias.update();
			this.setCropSelection(postid, ias.getSelection());
			this.currentCropSelection = ias.getSelection();
		}
	},

	/**
	 * Rounds a number to a whole.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} num The number.
	 *
	 * @return {number} The number rounded to a whole number.
	 */
	round : function(num) {
		var s;
		num = Math.round(num);

		if ( this.hold.sizer > 0.6 ) {
			return num;
		}

		s = num.toString().slice(-1);

		if ( '1' === s ) {
			return num - 1;
		} else if ( '9' === s ) {
			return num + 1;
		}

		return num;
	},

	/**
	 * Sets a locked aspect ratio for the selection.
	 *
	 * @since 2.9.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {number} postid     The post ID.
	 * @param {number} n          The ratio to set.
	 * @param {jQuery} el         The element containing the values.
	 *
	 * @return {void}
	 */
	setRatioSelection : function(postid, n, el) {
		var sel, r, x = this.intval( $('#imgedit-crop-width-' + postid).val() ),
			y = this.intval( $('#imgedit-crop-height-' + postid).val() ),
			h = $('#image-preview-' + postid).height();

		if ( false === this.validateNumeric( el ) ) {
			this.iasapi.setOptions({
				aspectRatio: null
			});

			return;
		}

		if ( x && y ) {
			this.iasapi.setOptions({
				aspectRatio: x + ':' + y
			});

			if ( sel = this.iasapi.getSelection(true) ) {
				r = Math.ceil( sel.y1 + ( ( sel.x2 - sel.x1 ) / ( x / y ) ) );

				if ( r > h ) {
					r = h;
					var errorMessage = __( 'Selected crop ratio exceeds the boundaries of the image. Try a different ratio.' );

					$( '#imgedit-crop-' + postid )
						.prepend( '<div class="notice notice-error" tabindex="-1" role="alert"><p>' + errorMessage + '</p></div>' );

					wp.a11y.speak( errorMessage, 'assertive' );
					if ( n ) {
						$('#imgedit-crop-height-' + postid).val( '' );
					} else {
						$('#imgedit-crop-width-' + postid).val( '');
					}
				} else {
					var error = $( '#imgedit-crop-' + postid ).find( '.notice-error' );
					if ( 'undefined' !== typeof( error ) ) {
						error.remove();
					}
				}

				this.iasapi.setSelection( sel.x1, sel.y1, sel.x2, r );
				this.iasapi.update();
			}
		}
	},

	/**
	 * Validates if a value in a jQuery.HTMLElement is numeric.
	 *
	 * @since 4.6.0
	 *
	 * @memberof imageEdit
	 *
	 * @param {jQuery} el The html element.
	 *
	 * @return {void|boolean} Returns false if the value is not numeric,
	 *                        void when it is.
	 */
	validateNumeric: function( el ) {
		if ( false === this.intval( $( el ).val() ) ) {
			$( el ).val( '' );
			return false;
		}
	}
};
})(jQuery);
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!function(s){var u=0,n=wp.i18n._x(",","tag delimiter")||",",t=wp.i18n.__,d=wp.i18n._n,l=wp.i18n.sprintf;function p(e){return e.split(new RegExp(n+"\\s*"))}s.fn.wpTagsSuggest=function(e){var i,o,a,r=s(this);return r.length&&(a=(e=e||{}).taxonomy||r.attr("data-wp-taxonomy")||"post_tag",delete e.taxonomy,e=s.extend({source:function(e,n){var t;o===e.term?n(i):(t=p(e.term).pop(),s.get(window.ajaxurl,{action:"ajax-tag-search",tax:a,q:t,number:20}).always(function(){r.removeClass("ui-autocomplete-loading")}).done(function(e){var t,o=[];if(e){for(t in e=e.split("\n")){var a=++u;o.push({id:a,name:e[t]})}n(i=o)}else n(o)}),o=e.term)},focus:function(e,t){r.attr("aria-activedescendant","wp-tags-autocomplete-"+t.item.id),e.preventDefault()},select:function(e,t){var o=p(r.val());return o.pop(),o.push(t.item.name,""),r.val(o.join(n+" ")),s.ui.keyCode.TAB===e.keyCode?(window.wp.a11y.speak(wp.i18n.__("Term selected."),"assertive"),e.preventDefault()):s.ui.keyCode.ENTER===e.keyCode&&(window.tagBox&&(window.tagBox.userAction="add",window.tagBox.flushTags(s(this).closest(".tagsdiv"))),e.preventDefault(),e.stopPropagation()),!1},open:function(){r.attr("aria-expanded","true")},close:function(){r.attr("aria-expanded","false")},minLength:2,position:{my:"left top+2",at:"left bottom",collision:"none"},messages:{noResults:t("No results found."),results:function(e){return l(d("%d result found. Use up and down arrow keys to navigate.","%d results found. Use up and down arrow keys to navigate.",e),e)}}},e),r.on("keydown",function(){r.removeAttr("aria-activedescendant")}),r.autocomplete(e),r.autocomplete("instance"))&&(r.autocomplete("instance")._renderItem=function(e,t){return s('<li role="option" id="wp-tags-autocomplete-'+t.id+'">').text(t.name).appendTo(e)},r.attr({role:"combobox","aria-autocomplete":"list","aria-expanded":"false","aria-owns":r.autocomplete("widget").attr("id")}).on("focus",function(){p(r.val()).pop()&&r.autocomplete("search")}),r.autocomplete("widget").addClass("wp-tags-autocomplete").attr("role","listbox").removeAttr("tabindex").on("menufocus",function(e,t){t.item.attr("aria-selected","true")}).on("menublur",function(){s(this).find('[aria-selected="true"]').removeAttr("aria-selected")})),this}}(jQuery);PK       ! ��^�  �    custom-background.min.jsnu �[���        /*! This file is auto-generated */
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!function(s){s(function(){s(".accordion-container").on("click",".accordion-section-title button",function(){var n,o,e,a,t,i;n=s(this),o=n.closest(".accordion-section"),e=o.closest(".accordion-container"),a=e.find(".open"),t=a.find("[aria-expanded]").first(),i=o.find(".accordion-section-content"),o.hasClass("cannot-expand")||(e.addClass("opening"),o.hasClass("open")?(o.toggleClass("open"),i.toggle(!0).slideToggle(150)):(t.attr("aria-expanded","false"),a.removeClass("open"),a.find(".accordion-section-content").show().slideUp(150),i.toggle(!1).slideToggle(150),o.toggleClass("open")),setTimeout(function(){e.removeClass("opening")},150),n&&n.attr("aria-expanded",String("false"===n.attr("aria-expanded"))))})})}(jQuery);PK       ! ��@?:Z  :Z  
  widgets.jsnu �[���        /**
 * @output wp-admin/js/widgets.js
 */

/* global ajaxurl, isRtl, wpWidgets */

(function($) {
	var $document = $( document );

window.wpWidgets = {
	/**
	 * A closed Sidebar that gets a Widget dragged over it.
	 *
	 * @var {element|null}
	 */
	hoveredSidebar: null,

	/**
	 * Lookup of which widgets have had change events triggered.
	 *
	 * @var {object}
	 */
	dirtyWidgets: {},

	init : function() {
		var rem, the_id,
			self = this,
			chooser = $('.widgets-chooser'),
			selectSidebar = chooser.find('.widgets-chooser-sidebars'),
			sidebars = $('div.widgets-sortables'),
			isRTL = !! ( 'undefined' !== typeof isRtl && isRtl );

		// Handle the widgets containers in the right column.
		$( '#widgets-right .sidebar-name' )
			/*
			 * Toggle the widgets containers when clicked and update the toggle
			 * button `aria-expanded` attribute value.
			 */
			.on( 'click', function() {
				var $this = $( this ),
					$wrap = $this.closest( '.widgets-holder-wrap '),
					$toggle = $this.find( '.handlediv' );

				if ( $wrap.hasClass( 'closed' ) ) {
					$wrap.removeClass( 'closed' );
					$toggle.attr( 'aria-expanded', 'true' );
					// Refresh the jQuery UI sortable items.
					$this.parent().sortable( 'refresh' );
				} else {
					$wrap.addClass( 'closed' );
					$toggle.attr( 'aria-expanded', 'false' );
				}

				// Update the admin menu "sticky" state.
				$document.triggerHandler( 'wp-pin-menu' );
			})
			/*
			 * Set the initial `aria-expanded` attribute value on the widgets
			 * containers toggle button. The first one is expanded by default.
			 */
			.find( '.handlediv' ).each( function( index ) {
				if ( 0 === index ) {
					// jQuery equivalent of `continue` within an `each()` loop.
					return;
				}

				$( this ).attr( 'aria-expanded', 'false' );
			});

		// Show AYS dialog when there are unsaved widget changes.
		$( window ).on( 'beforeunload.widgets', function( event ) {
			var dirtyWidgetIds = [], unsavedWidgetsElements;
			$.each( self.dirtyWidgets, function( widgetId, dirty ) {
				if ( dirty ) {
					dirtyWidgetIds.push( widgetId );
				}
			});
			if ( 0 !== dirtyWidgetIds.length ) {
				unsavedWidgetsElements = $( '#widgets-right' ).find( '.widget' ).filter( function() {
					return -1 !== dirtyWidgetIds.indexOf( $( this ).prop( 'id' ).replace( /^widget-\d+_/, '' ) );
				});
				unsavedWidgetsElements.each( function() {
					if ( ! $( this ).hasClass( 'open' ) ) {
						$( this ).find( '.widget-title-action:first' ).trigger( 'click' );
					}
				});

				// Bring the first unsaved widget into view and focus on the first tabbable field.
				unsavedWidgetsElements.first().each( function() {
					if ( this.scrollIntoViewIfNeeded ) {
						this.scrollIntoViewIfNeeded();
					} else {
						this.scrollIntoView();
					}
					$( this ).find( '.widget-inside :tabbable:first' ).trigger( 'focus' );
				} );

				event.returnValue = wp.i18n.__( 'The changes you made will be lost if you navigate away from this page.' );
				return event.returnValue;
			}
		});

		// Handle the widgets containers in the left column.
		$( '#widgets-left .sidebar-name' ).on( 'click', function() {
			var $wrap = $( this ).closest( '.widgets-holder-wrap' );

			$wrap
				.toggleClass( 'closed' )
				.find( '.handlediv' ).attr( 'aria-expanded', ! $wrap.hasClass( 'closed' ) );

			// Update the admin menu "sticky" state.
			$document.triggerHandler( 'wp-pin-menu' );
		});

		$(document.body).on('click.widgets-toggle', function(e) {
			var target = $(e.target), css = {},
				widget, inside, targetWidth, widgetWidth, margin, saveButton, widgetId,
				toggleBtn = target.closest( '.widget' ).find( '.widget-top button.widget-action' );

			if ( target.parents('.widget-top').length && ! target.parents('#available-widgets').length ) {
				widget = target.closest('div.widget');
				inside = widget.children('.widget-inside');
				targetWidth = parseInt( widget.find('input.widget-width').val(), 10 );
				widgetWidth = widget.parent().width();
				widgetId = inside.find( '.widget-id' ).val();

				// Save button is initially disabled, but is enabled when a field is changed.
				if ( ! widget.data( 'dirty-state-initialized' ) ) {
					saveButton = inside.find( '.widget-control-save' );
					saveButton.prop( 'disabled', true ).val( wp.i18n.__( 'Saved' ) );
					inside.on( 'input change', function() {
						self.dirtyWidgets[ widgetId ] = true;
						widget.addClass( 'widget-dirty' );
						saveButton.prop( 'disabled', false ).val( wp.i18n.__( 'Save' ) );
					});
					widget.data( 'dirty-state-initialized', true );
				}

				if ( inside.is(':hidden') ) {
					if ( targetWidth > 250 && ( targetWidth + 30 > widgetWidth ) && widget.closest('div.widgets-sortables').length ) {
						if ( widget.closest('div.widget-liquid-right').length ) {
							margin = isRTL ? 'margin-right' : 'margin-left';
						} else {
							margin = isRTL ? 'margin-left' : 'margin-right';
						}

						css[ margin ] = widgetWidth - ( targetWidth + 30 ) + 'px';
						widget.css( css );
					}
					/*
					 * Don't change the order of attributes changes and animation:
					 * it's important for screen readers, see ticket #31476.
					 */
					toggleBtn.attr( 'aria-expanded', 'true' );
					inside.slideDown( 'fast', function() {
						widget.addClass( 'open' );
					});
				} else {
					/*
					 * Don't change the order of attributes changes and animation:
					 * it's important for screen readers, see ticket #31476.
					 */
					toggleBtn.attr( 'aria-expanded', 'false' );
					inside.slideUp( 'fast', function() {
						widget.attr( 'style', '' );
						widget.removeClass( 'open' );
					});
				}
			} else if ( target.hasClass('widget-control-save') ) {
				wpWidgets.save( target.closest('div.widget'), 0, 1, 0 );
				e.preventDefault();
			} else if ( target.hasClass('widget-control-remove') ) {
				wpWidgets.save( target.closest('div.widget'), 1, 1, 0 );
			} else if ( target.hasClass('widget-control-close') ) {
				widget = target.closest('div.widget');
				widget.removeClass( 'open' );
				toggleBtn.attr( 'aria-expanded', 'false' );
				wpWidgets.close( widget );
			} else if ( target.attr( 'id' ) === 'inactive-widgets-control-remove' ) {
				wpWidgets.removeInactiveWidgets();
				e.preventDefault();
			}
		});

		sidebars.children('.widget').each( function() {
			var $this = $(this);

			wpWidgets.appendTitle( this );

			if ( $this.find( 'p.widget-error' ).length ) {
				$this.find( '.widget-action' ).trigger( 'click' ).attr( 'aria-expanded', 'true' );
			}
		});

		$('#widget-list').children('.widget').draggable({
			connectToSortable: 'div.widgets-sortables',
			handle: '> .widget-top > .widget-title',
			distance: 2,
			helper: 'clone',
			zIndex: 101,
			containment: '#wpwrap',
			refreshPositions: true,
			start: function( event, ui ) {
				var chooser = $(this).find('.widgets-chooser');

				ui.helper.find('div.widget-description').hide();
				the_id = this.id;

				if ( chooser.length ) {
					// Hide the chooser and move it out of the widget.
					$( '#wpbody-content' ).append( chooser.hide() );
					// Delete the cloned chooser from the drag helper.
					ui.helper.find('.widgets-chooser').remove();
					self.clearWidgetSelection();
				}
			},
			stop: function() {
				if ( rem ) {
					$(rem).hide();
				}

				rem = '';
			}
		});

		/**
		 * Opens and closes previously closed Sidebars when Widgets are dragged over/out of them.
		 */
		sidebars.droppable( {
			tolerance: 'intersect',

			/**
			 * Open Sidebar when a Widget gets dragged over it.
			 *
			 * @ignore
			 *
			 * @param {Object} event jQuery event object.
			 */
			over: function( event ) {
				var $wrap = $( event.target ).parent();

				if ( wpWidgets.hoveredSidebar && ! $wrap.is( wpWidgets.hoveredSidebar ) ) {
					// Close the previous Sidebar as the Widget has been dragged onto another Sidebar.
					wpWidgets.closeSidebar( event );
				}

				if ( $wrap.hasClass( 'closed' ) ) {
					wpWidgets.hoveredSidebar = $wrap;
					$wrap
						.removeClass( 'closed' )
						.find( '.handlediv' ).attr( 'aria-expanded', 'true' );
				}

				$( this ).sortable( 'refresh' );
			},

			/**
			 * Close Sidebar when the Widget gets dragged out of it.
			 *
			 * @ignore
			 *
			 * @param {Object} event jQuery event object.
			 */
			out: function( event ) {
				if ( wpWidgets.hoveredSidebar ) {
					wpWidgets.closeSidebar( event );
				}
			}
		} );

		sidebars.sortable({
			placeholder: 'widget-placeholder',
			items: '> .widget',
			handle: '> .widget-top > .widget-title',
			cursor: 'move',
			distance: 2,
			containment: '#wpwrap',
			tolerance: 'pointer',
			refreshPositions: true,
			start: function( event, ui ) {
				var height, $this = $(this),
					$wrap = $this.parent(),
					inside = ui.item.children('.widget-inside');

				if ( inside.css('display') === 'block' ) {
					ui.item.removeClass('open');
					ui.item.find( '.widget-top button.widget-action' ).attr( 'aria-expanded', 'false' );
					inside.hide();
					$(this).sortable('refreshPositions');
				}

				if ( ! $wrap.hasClass('closed') ) {
					// Lock all open sidebars min-height when starting to drag.
					// Prevents jumping when dragging a widget from an open sidebar to a closed sidebar below.
					height = ui.item.hasClass('ui-draggable') ? $this.height() : 1 + $this.height();
					$this.css( 'min-height', height + 'px' );
				}
			},

			stop: function( event, ui ) {
				var addNew, widgetNumber, $sidebar, $children, child, item,
					$widget = ui.item,
					id = the_id;

				// Reset the var to hold a previously closed sidebar.
				wpWidgets.hoveredSidebar = null;

				if ( $widget.hasClass('deleting') ) {
					wpWidgets.save( $widget, 1, 0, 1 ); // Delete widget.
					$widget.remove();
					return;
				}

				addNew = $widget.find('input.add_new').val();
				widgetNumber = $widget.find('input.multi_number').val();

				$widget.attr( 'style', '' ).removeClass('ui-draggable');
				the_id = '';

				if ( addNew ) {
					if ( 'multi' === addNew ) {
						$widget.html(
							$widget.html().replace( /<[^<>]+>/g, function( tag ) {
								return tag.replace( /__i__|%i%/g, widgetNumber );
							})
						);

						$widget.attr( 'id', id.replace( '__i__', widgetNumber ) );
						widgetNumber++;

						$( 'div#' + id ).find( 'input.multi_number' ).val( widgetNumber );
					} else if ( 'single' === addNew ) {
						$widget.attr( 'id', 'new-' + id );
						rem = 'div#' + id;
					}

					wpWidgets.save( $widget, 0, 0, 1 );
					$widget.find('input.add_new').val('');
					$document.trigger( 'widget-added', [ $widget ] );
				}

				$sidebar = $widget.parent();

				if ( $sidebar.parent().hasClass('closed') ) {
					$sidebar.parent()
						.removeClass( 'closed' )
						.find( '.handlediv' ).attr( 'aria-expanded', 'true' );

					$children = $sidebar.children('.widget');

					// Make sure the dropped widget is at the top.
					if ( $children.length > 1 ) {
						child = $children.get(0);
						item = $widget.get(0);

						if ( child.id && item.id && child.id !== item.id ) {
							$( child ).before( $widget );
						}
					}
				}

				if ( addNew ) {
					$widget.find( '.widget-action' ).trigger( 'click' );
				} else {
					wpWidgets.saveOrder( $sidebar.attr('id') );
				}
			},

			activate: function() {
				$(this).parent().addClass( 'widget-hover' );
			},

			deactivate: function() {
				// Remove all min-height added on "start".
				$(this).css( 'min-height', '' ).parent().removeClass( 'widget-hover' );
			},

			receive: function( event, ui ) {
				var $sender = $( ui.sender );

				// Don't add more widgets to orphaned sidebars.
				if ( this.id.indexOf('orphaned_widgets') > -1 ) {
					$sender.sortable('cancel');
					return;
				}

				// If the last widget was moved out of an orphaned sidebar, close and remove it.
				if ( $sender.attr('id').indexOf('orphaned_widgets') > -1 && ! $sender.children('.widget').length ) {
					$sender.parents('.orphan-sidebar').slideUp( 400, function(){ $(this).remove(); } );
				}
			}
		}).sortable( 'option', 'connectWith', 'div.widgets-sortables' );

		$('#available-widgets').droppable({
			tolerance: 'pointer',
			accept: function(o){
				return $(o).parent().attr('id') !== 'widget-list';
			},
			drop: function(e,ui) {
				ui.draggable.addClass('deleting');
				$('#removing-widget').hide().children('span').empty();
			},
			over: function(e,ui) {
				ui.draggable.addClass('deleting');
				$('div.widget-placeholder').hide();

				if ( ui.draggable.hasClass('ui-sortable-helper') ) {
					$('#removing-widget').show().children('span')
					.html( ui.draggable.find( 'div.widget-title' ).children( 'h3' ).html() );
				}
			},
			out: function(e,ui) {
				ui.draggable.removeClass('deleting');
				$('div.widget-placeholder').show();
				$('#removing-widget').hide().children('span').empty();
			}
		});

		// Area Chooser.
		$( '#widgets-right .widgets-holder-wrap' ).each( function( index, element ) {
			var $element = $( element ),
				name = $element.find( '.sidebar-name h2' ).text() || '',
				ariaLabel = $element.find( '.sidebar-name' ).data( 'add-to' ),
				id = $element.find( '.widgets-sortables' ).attr( 'id' ),
				li = $( '<li>' ),
				button = $( '<button>', {
					type: 'button',
					'aria-pressed': 'false',
					'class': 'widgets-chooser-button',
					'aria-label': ariaLabel
				} ).text( name.toString().trim() );

			li.append( button );

			if ( index === 0 ) {
				li.addClass( 'widgets-chooser-selected' );
				button.attr( 'aria-pressed', 'true' );
			}

			selectSidebar.append( li );
			li.data( 'sidebarId', id );
		});

		$( '#available-widgets .widget .widget-top' ).on( 'click.widgets-chooser', function() {
			var $widget = $( this ).closest( '.widget' ),
				toggleButton = $( this ).find( '.widget-action' ),
				chooserButtons = selectSidebar.find( '.widgets-chooser-button' );

			if ( $widget.hasClass( 'widget-in-question' ) || $( '#widgets-left' ).hasClass( 'chooser' ) ) {
				toggleButton.attr( 'aria-expanded', 'false' );
				self.closeChooser();
			} else {
				// Open the chooser.
				self.clearWidgetSelection();
				$( '#widgets-left' ).addClass( 'chooser' );
				// Add CSS class and insert the chooser after the widget description.
				$widget.addClass( 'widget-in-question' ).children( '.widget-description' ).after( chooser );
				// Open the chooser with a slide down animation.
				chooser.slideDown( 300, function() {
					// Update the toggle button aria-expanded attribute after previous DOM manipulations.
					toggleButton.attr( 'aria-expanded', 'true' );
				});

				chooserButtons.on( 'click.widgets-chooser', function() {
					selectSidebar.find( '.widgets-chooser-selected' ).removeClass( 'widgets-chooser-selected' );
					chooserButtons.attr( 'aria-pressed', 'false' );
					$( this )
						.attr( 'aria-pressed', 'true' )
						.closest( 'li' ).addClass( 'widgets-chooser-selected' );
				} );
			}
		});

		// Add event handlers.
		chooser.on( 'click.widgets-chooser', function( event ) {
			var $target = $( event.target );

			if ( $target.hasClass('button-primary') ) {
				self.addWidget( chooser );
				self.closeChooser();
			} else if ( $target.hasClass( 'widgets-chooser-cancel' ) ) {
				self.closeChooser();
			}
		}).on( 'keyup.widgets-chooser', function( event ) {
			if ( event.which === $.ui.keyCode.ESCAPE ) {
				self.closeChooser();
			}
		});
	},

	saveOrder : function( sidebarId ) {
		var data = {
			action: 'widgets-order',
			savewidgets: $('#_wpnonce_widgets').val(),
			sidebars: []
		};

		if ( sidebarId ) {
			$( '#' + sidebarId ).find( '.spinner:first' ).addClass( 'is-active' );
		}

		$('div.widgets-sortables').each( function() {
			if ( $(this).sortable ) {
				data['sidebars[' + $(this).attr('id') + ']'] = $(this).sortable('toArray').join(',');
			}
		});

		$.post( ajaxurl, data, function() {
			$( '#inactive-widgets-control-remove' ).prop( 'disabled' , ! $( '#wp_inactive_widgets .widget' ).length );
			$( '.spinner' ).removeClass( 'is-active' );
		});
	},

	save : function( widget, del, animate, order ) {
		var self = this, data, a,
			sidebarId = widget.closest( 'div.widgets-sortables' ).attr( 'id' ),
			form = widget.find( 'form' ),
			isAdd = widget.find( 'input.add_new' ).val();

		if ( ! del && ! isAdd && form.prop( 'checkValidity' ) && ! form[0].checkValidity() ) {
			return;
		}

		data = form.serialize();

		widget = $(widget);
		$( '.spinner', widget ).addClass( 'is-active' );

		a = {
			action: 'save-widget',
			savewidgets: $('#_wpnonce_widgets').val(),
			sidebar: sidebarId
		};

		if ( del ) {
			a.delete_widget = 1;
		}

		data += '&' + $.param(a);

		$.post( ajaxurl, data, function(r) {
			var id = $('input.widget-id', widget).val();

			if ( del ) {
				if ( ! $('input.widget_number', widget).val() ) {
					$('#available-widgets').find('input.widget-id').each(function(){
						if ( $(this).val() === id ) {
							$(this).closest('div.widget').show();
						}
					});
				}

				if ( animate ) {
					order = 0;
					widget.slideUp( 'fast', function() {
						$( this ).remove();
						wpWidgets.saveOrder();
						delete self.dirtyWidgets[ id ];
					});
				} else {
					widget.remove();
					delete self.dirtyWidgets[ id ];

					if ( sidebarId === 'wp_inactive_widgets' ) {
						$( '#inactive-widgets-control-remove' ).prop( 'disabled' , ! $( '#wp_inactive_widgets .widget' ).length );
					}
				}
			} else {
				$( '.spinner' ).removeClass( 'is-active' );
				if ( r && r.length > 2 ) {
					$( 'div.widget-content', widget ).html( r );
					wpWidgets.appendTitle( widget );

					// Re-disable the save button.
					widget.find( '.widget-control-save' ).prop( 'disabled', true ).val( wp.i18n.__( 'Saved' ) );

					widget.removeClass( 'widget-dirty' );

					// Clear the dirty flag from the widget.
					delete self.dirtyWidgets[ id ];

					$document.trigger( 'widget-updated', [ widget ] );

					if ( sidebarId === 'wp_inactive_widgets' ) {
						$( '#inactive-widgets-control-remove' ).prop( 'disabled' , ! $( '#wp_inactive_widgets .widget' ).length );
					}
				}
			}

			if ( order ) {
				wpWidgets.saveOrder();
			}
		});
	},

	removeInactiveWidgets : function() {
		var $element = $( '.remove-inactive-widgets' ), self = this, a, data;

		$( '.spinner', $element ).addClass( 'is-active' );

		a = {
			action : 'delete-inactive-widgets',
			removeinactivewidgets : $( '#_wpnonce_remove_inactive_widgets' ).val()
		};

		data = $.param( a );

		$.post( ajaxurl, data, function() {
			$( '#wp_inactive_widgets .widget' ).each(function() {
				var $widget = $( this );
				delete self.dirtyWidgets[ $widget.find( 'input.widget-id' ).val() ];
				$widget.remove();
			});
			$( '#inactive-widgets-control-remove' ).prop( 'disabled', true );
			$( '.spinner', $element ).removeClass( 'is-active' );
		} );
	},

	appendTitle : function(widget) {
		var title = $('input[id*="-title"]', widget).val() || '';

		if ( title ) {
			title = ': ' + title.replace(/<[^<>]+>/g, '').replace(/</g, '&lt;').replace(/>/g, '&gt;');
		}

		$(widget).children('.widget-top').children('.widget-title').children()
				.children('.in-widget-title').html(title);

	},

	close : function(widget) {
		widget.children('.widget-inside').slideUp('fast', function() {
			widget.attr( 'style', '' )
				.find( '.widget-top button.widget-action' )
					.attr( 'aria-expanded', 'false' )
					.focus();
		});
	},

	addWidget: function( chooser ) {
		var widget, widgetId, add, n, viewportTop, viewportBottom, sidebarBounds,
			sidebarId = chooser.find( '.widgets-chooser-selected' ).data('sidebarId'),
			sidebar = $( '#' + sidebarId );

		widget = $('#available-widgets').find('.widget-in-question').clone();
		widgetId = widget.attr('id');
		add = widget.find( 'input.add_new' ).val();
		n = widget.find( 'input.multi_number' ).val();

		// Remove the cloned chooser from the widget.
		widget.find('.widgets-chooser').remove();

		if ( 'multi' === add ) {
			widget.html(
				widget.html().replace( /<[^<>]+>/g, function(m) {
					return m.replace( /__i__|%i%/g, n );
				})
			);

			widget.attr( 'id', widgetId.replace( '__i__', n ) );
			n++;
			$( '#' + widgetId ).find('input.multi_number').val(n);
		} else if ( 'single' === add ) {
			widget.attr( 'id', 'new-' + widgetId );
			$( '#' + widgetId ).hide();
		}

		// Open the widgets container.
		sidebar.closest( '.widgets-holder-wrap' )
			.removeClass( 'closed' )
			.find( '.handlediv' ).attr( 'aria-expanded', 'true' );

		sidebar.append( widget );
		sidebar.sortable('refresh');

		wpWidgets.save( widget, 0, 0, 1 );
		// No longer "new" widget.
		widget.find( 'input.add_new' ).val('');

		$document.trigger( 'widget-added', [ widget ] );

		/*
		 * Check if any part of the sidebar is visible in the viewport. If it is, don't scroll.
		 * Otherwise, scroll up to so the sidebar is in view.
		 *
		 * We do this by comparing the top and bottom, of the sidebar so see if they are within
		 * the bounds of the viewport.
		 */
		viewportTop = $(window).scrollTop();
		viewportBottom = viewportTop + $(window).height();
		sidebarBounds = sidebar.offset();

		sidebarBounds.bottom = sidebarBounds.top + sidebar.outerHeight();

		if ( viewportTop > sidebarBounds.bottom || viewportBottom < sidebarBounds.top ) {
			$( 'html, body' ).animate({
				scrollTop: sidebarBounds.top - 130
			}, 200 );
		}

		window.setTimeout( function() {
			// Cannot use a callback in the animation above as it fires twice,
			// have to queue this "by hand".
			widget.find( '.widget-title' ).trigger('click');
			// At the end of the animation, announce the widget has been added.
			window.wp.a11y.speak( wp.i18n.__( 'Widget has been added to the selected sidebar' ), 'assertive' );
		}, 250 );
	},

	closeChooser: function() {
		var self = this,
			widgetInQuestion = $( '#available-widgets .widget-in-question' );

		$( '.widgets-chooser' ).slideUp( 200, function() {
			$( '#wpbody-content' ).append( this );
			self.clearWidgetSelection();
			// Move focus back to the toggle button.
			widgetInQuestion.find( '.widget-action' ).attr( 'aria-expanded', 'false' ).focus();
		});
	},

	clearWidgetSelection: function() {
		$( '#widgets-left' ).removeClass( 'chooser' );
		$( '.widget-in-question' ).removeClass( 'widget-in-question' );
	},

	/**
	 * Closes a Sidebar that was previously closed, but opened by dragging a Widget over it.
	 *
	 * Used when a Widget gets dragged in/out of the Sidebar and never dropped.
	 *
	 * @param {Object} event jQuery event object.
	 */
	closeSidebar: function( event ) {
		this.hoveredSidebar
			.addClass( 'closed' )
			.find( '.handlediv' ).attr( 'aria-expanded', 'false' );

		$( event.target ).css( 'min-height', '' );
		this.hoveredSidebar = null;
	}
};

$( function(){ wpWidgets.init(); } );

})(jQuery);

/**
 * Removed in 5.5.0, needed for back-compatibility.
 *
 * @since 4.9.0
 * @deprecated 5.5.0
 *
 * @type {object}
*/
wpWidgets.l10n = wpWidgets.l10n || {
	save: '',
	saved: '',
	saveAlert: '',
	widgetAdded: ''
};

wpWidgets.l10n = window.wp.deprecateL10nObject( 'wpWidgets.l10n', wpWidgets.l10n, '5.5.0' );
PK       ! M!R��  �    gallery.min.jsnu �[���        /*! This file is auto-generated */
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 * @output wp-admin/js/custom-background.js
 */

/* global ajaxurl */

/**
 * Registers all events for customizing the background.
 *
 * @since 3.0.0
 *
 * @requires jQuery
 */
(function($) {
	$( function() {
		var frame,
			bgImage = $( '#custom-background-image' );

		/**
		 * Instantiates the WordPress color picker and binds the change and clear events.
		 *
		 * @since 3.5.0
		 *
		 * @return {void}
		 */
		$('#background-color').wpColorPicker({
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		/**
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		 *
		 * @return {void}
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			bgImage.css( 'background-size', $( this ).val() );
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		/**
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		 *
		 * @since 4.7.0
		 *
		 * @return {void}
		 */
		$( 'input[name="background-position"]' ).on( 'change', function() {
			bgImage.css( 'background-position', $( this ).val() );
		});

		/**
		 * Alters the background repeat CSS property whenever the background repeat input has changed.
		 *
		 * @since 3.0.0
		 *
		 * @return {void}
		 */
		$( 'input[name="background-repeat"]' ).on( 'change',  function() {
			bgImage.css( 'background-repeat', $( this ).is( ':checked' ) ? 'repeat' : 'no-repeat' );
		});

		/**
		 * Alters the background attachment CSS property whenever the background attachment input has changed.
		 *
		 * @since 4.7.0
		 *
		 * @return {void}
		 */
		$( 'input[name="background-attachment"]' ).on( 'change', function() {
			bgImage.css( 'background-attachment', $( this ).is( ':checked' ) ? 'scroll' : 'fixed' );
		});

		/**
		 * Binds the event for opening the WP Media dialog.
		 *
		 * @since 3.5.0
		 *
		 * @return {void}
		 */
		$('#choose-from-library-link').on( 'click', function( event ) {
			var $el = $(this);

			event.preventDefault();

			// If the media frame already exists, reopen it.
			if ( frame ) {
				frame.open();
				return;
			}

			// Create the media frame.
			frame = wp.media.frames.customBackground = wp.media({
				// Set the title of the modal.
				title: $el.data('choose'),

				// Tell the modal to show only images.
				library: {
					type: 'image'
				},

				// Customize the submit button.
				button: {
					// Set the text of the button.
					text: $el.data('update'),
					/*
					 * Tell the button not to close the modal, since we're
					 * going to refresh the page when the image is selected.
					 */
					close: false
				}
			});

			/**
			 * When an image is selected, run a callback.
			 *
			 * @since 3.5.0
			 *
			 * @return {void}
 			 */
			frame.on( 'select', function() {
				// Grab the selected attachment.
				var attachment = frame.state().get('selection').first();
				var nonceValue = $( '#_wpnonce' ).val() || '';

				// Run an Ajax request to set the background image.
				$.post( ajaxurl, {
					action: 'set-background-image',
					attachment_id: attachment.id,
					_ajax_nonce: nonceValue,
					size: 'full'
				}).done( function() {
					// When the request completes, reload the window.
					window.location.reload();
				});
			});

			// Finally, open the modal.
			frame.open();
		});
	});
})(jQuery);
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Y.HeaderTool.ImageModel({header:a,choice:e.split("/").pop()}),Y.HeaderTool.UploadsList.add(t),Y.HeaderTool.currentHeader.set(t.toJSON()),t.save(),t.importImage()},removeImage:function(){Y.HeaderTool.currentHeader.trigger("hide"),Y.HeaderTool.CombinedList.trigger("control:removeImage")}}),Y.ThemeControl=Y.Control.extend({touchDrag:!1,screenshotRendered:!1,ready:function(){var n=this,e=Y.panel("themes");function t(){return!e.canSwitchTheme(n.params.theme.id)}function i(){n.container.find("button.preview, button.preview-theme").toggleClass("disabled",t()),n.container.find("button.theme-install").toggleClass("disabled",t()||!1===Y.settings.theme._canInstall||!0===Y.settings.theme._filesystemCredentialsNeeded)}Y.state("selectedChangesetStatus").bind(i),Y.state("changesetStatus").bind(i),i(),n.container.on("touchmove",".theme",function(){n.touchDrag=!0}),n.container.on("click keydown touchend",".theme",function(e){var 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e,t=this,n=!1;wp.codeEditor&&(_.isUndefined(t.params.editor_settings)||!1!==t.params.editor_settings)&&((n=wp.codeEditor.defaultSettings?_.clone(wp.codeEditor.defaultSettings):{}).codemirror=_.extend({},n.codemirror,{indentUnit:2,tabSize:2}),_.isObject(t.params.editor_settings))&&_.each(t.params.editor_settings,function(e,t){_.isObject(e)&&(n[t]=_.extend({},n[t],e))}),e=new Y.Element(t.container.find("textarea")),t.elements.push(e),e.sync(t.setting),e.set(t.setting()),n?t.initSyntaxHighlightingEditor(n):t.initPlainTextareaEditor()},focus:function(e){var t=this,e=_.extend({},e),n=e.completeCallback;e.completeCallback=function(){n&&n(),t.editor&&t.editor.codemirror.focus()},Y.Control.prototype.focus.call(t,e)},initSyntaxHighlightingEditor:function(e){var t=this,n=t.container.find("textarea"),i=!1,e=_.extend({},e,{onTabNext:_.bind(t.onTabNext,t),onTabPrevious:_.bind(t.onTabPrevious,t),onUpdateErrorNotice:_.bind(t.onUpdateErrorNotice,t)});t.editor=wp.codeEditor.initialize(n,e),J(t.editor.codemirror.display.lineDiv).attr({role:"textbox","aria-multiline":"true","aria-label":t.params.label,"aria-describedby":"editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4"}),t.container.find("label").on("click",function(){t.editor.codemirror.focus()}),t.editor.codemirror.on("change",function(e){i=!0,n.val(e.getValue()).trigger("change"),i=!1}),t.setting.bind(function(e){i||t.editor.codemirror.setValue(e)}),t.editor.codemirror.on("keydown",function(e,t){27===t.keyCode&&t.stopPropagation()}),t.deferred.codemirror.resolveWith(t,[t.editor.codemirror])},onTabNext:function(){var e=Y.section(this.section()).controls(),t=e.indexOf(this);e.length===t+1?J("#customize-footer-actions 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t,n,i;27===e.keyCode?a.data("next-tab-blurs")||(a.data("next-tab-blurs",!0),e.stopPropagation()):9!==e.keyCode||e.ctrlKey||e.altKey||e.shiftKey||a.data("next-tab-blurs")||(t=o.selectionStart,n=o.selectionEnd,i=o.value,0<=t&&(o.value=i.substring(0,t).concat("\t",i.substring(n)),a.selectionStart=o.selectionEnd=t+1),e.stopPropagation(),e.preventDefault())}),this.deferred.codemirror.rejectWith(this)}}),Y.DateTimeControl=Y.Control.extend({ready:function(){var i=this;if(i.inputElements={},i.invalidDate=!1,_.bindAll(i,"populateSetting","updateDaysForMonth","populateDateInputs"),!i.setting)throw new Error("Missing setting");i.container.find(".date-input").each(function(){var e=J(this),t=e.data("component"),n=new Y.Element(e);i.inputElements[t]=n,i.elements.push(n),e.on("change",function(){i.invalidDate&&i.notifications.add(new Y.Notification("invalid_date",{message:Y.l10n.invalidDate}))}),e.on("input",_.debounce(function(){i.invalidDate||i.notifications.remove("invalid_date")})),e.on("blur",_.debounce(function(){i.invalidDate||i.populateDateInputs()}))}),i.inputElements.month.bind(i.updateDaysForMonth),i.inputElements.year.bind(i.updateDaysForMonth),i.populateDateInputs(),i.setting.bind(i.populateDateInputs),_.each(i.inputElements,function(e){e.bind(i.populateSetting)})},parseDateTime:function(e){var t;return(t=e?e.match(/^(\d\d\d\d)-(\d\d)-(\d\d)(?: (\d\d):(\d\d)(?::(\d\d))?)?$/):t)?(t.shift(),e={year:t.shift(),month:t.shift(),day:t.shift(),hour:t.shift()||"00",minute:t.shift()||"00",second:t.shift()||"00"},this.params.includeTime&&this.params.twelveHourFormat&&(e.hour=parseInt(e.hour,10),e.meridian=12<=e.hour?"pm":"am",e.hour=e.hour%12?String(e.hour%12):String(12),delete e.second),e):null},validateInputs:function(){var e,i,a=this;return 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o(e){e||Y.settings.changeset.autosaved||(Y.settings.changeset.autosaved=!0,Y.previewer.send("autosaving"))}Y.unbind("change",e),Y.state("saved").bind(o),o(Y.state("saved").get()),n=function(){a||(a=!0,Y.requestChangesetUpdate({},{autosave:!0}).always(function(){a=!1})),i()},(i=function(){clearTimeout(t),t=setTimeout(function(){n()},Y.settings.timeouts.changesetAutoSave)})(),J(document).on("visibilitychange.wp-customize-changeset-update",function(){document.hidden&&n()}),J(window).on("beforeunload.wp-customize-changeset-update",function(){n()})}),J(document).one("tinymce-editor-setup",function(){window.tinymce.ui.FloatPanel&&(!window.tinymce.ui.FloatPanel.zIndex||window.tinymce.ui.FloatPanel.zIndex<500001)&&(window.tinymce.ui.FloatPanel.zIndex=500001)}),o.addClass("ready"),Y.trigger("ready"))})}((wp,jQuery));PK       ! ��D��  �    xfn.jsnu �[���        /**
 * Generates the XHTML Friends Network 'rel' string from the inputs.
 *
 * @deprecated 3.5.0
 * @output wp-admin/js/xfn.js
 */
jQuery( function( $ ) {
	$( '#link_rel' ).prop( 'readonly', true );
	$( '#linkxfndiv input' ).on( 'click keyup', function() {
		var isMe = $( '#me' ).is( ':checked' ), inputs = '';
		$( 'input.valinp' ).each( function() {
			if ( isMe ) {
				$( this ).prop( 'disabled', true ).parent().addClass( 'disabled' );
			} else {
				$( this ).removeAttr( 'disabled' ).parent().removeClass( 'disabled' );
				if ( $( this ).is( ':checked' ) && $( this ).val() !== '') {
					inputs += $( this ).val() + ' ';
				}
			}
		});
		$( '#link_rel' ).val( ( isMe ) ? 'me' : inputs.substr( 0,inputs.length - 1 ) );
	});
});
PK       ! A^[_�  �    application-passwords.jsnu �[���        /**
 * @output wp-admin/js/application-passwords.js
 */

( function( $ ) {
	var $appPassSection = $( '#application-passwords-section' ),
		$newAppPassForm = $appPassSection.find( '.create-application-password' ),
		$newAppPassField = $newAppPassForm.find( '.input' ),
		$newAppPassButton = $newAppPassForm.find( '.button' ),
		$appPassTwrapper = $appPassSection.find( '.application-passwords-list-table-wrapper' ),
		$appPassTbody = $appPassSection.find( 'tbody' ),
		$appPassTrNoItems = $appPassTbody.find( '.no-items' ),
		$removeAllBtn = $( '#revoke-all-application-passwords' ),
		tmplNewAppPass = wp.template( 'new-application-password' ),
		tmplAppPassRow = wp.template( 'application-password-row' ),
		userId = $( '#user_id' ).val();

	$newAppPassButton.on( 'click', function( e ) {
		e.preventDefault();

		if ( $newAppPassButton.prop( 'aria-disabled' ) ) {
			return;
		}

		var name = $newAppPassField.val();

		if ( 0 === name.length ) {
			$newAppPassField.trigger( 'focus' );
			return;
		}

		clearNotices();
		$newAppPassButton.prop( 'aria-disabled', true ).addClass( 'disabled' );

		var request = {
			name: name
		};

		/**
		 * Filters the request data used to create a new Application Password.
		 *
		 * @since 5.6.0
		 *
		 * @param {Object} request The request data.
		 * @param {number} userId  The id of the user the password is added for.
		 */
		request = wp.hooks.applyFilters( 'wp_application_passwords_new_password_request', request, userId );

		wp.apiRequest( {
			path: '/wp/v2/users/' + userId + '/application-passwords?_locale=user',
			method: 'POST',
			data: request
		} ).always( function() {
			$newAppPassButton.removeProp( 'aria-disabled' ).removeClass( 'disabled' );
		} ).done( function( response ) {
			$newAppPassField.val( '' );
			$newAppPassButton.prop( 'disabled', false );

			$newAppPassForm.after( tmplNewAppPass( {
				name: response.name,
				password: response.password
			} ) );
			$( '.new-application-password-notice' ).attr( 'tabindex', '-1' ).trigger( 'focus' );

			$appPassTbody.prepend( tmplAppPassRow( response ) );

			$appPassTwrapper.show();
			$appPassTrNoItems.remove();

			/**
			 * Fires after an application password has been successfully created.
			 *
			 * @since 5.6.0
			 *
			 * @param {Object} response The response data from the REST API.
			 * @param {Object} request  The request data used to create the password.
			 */
			wp.hooks.doAction( 'wp_application_passwords_created_password', response, request );
		} ).fail( handleErrorResponse );
	} );

	$appPassTbody.on( 'click', '.delete', function( e ) {
		e.preventDefault();

		if ( ! window.confirm( wp.i18n.__( 'Are you sure you want to revoke this password? This action cannot be undone.' ) ) ) {
			return;
		}

		var $submitButton = $( this ),
			$tr = $submitButton.closest( 'tr' ),
			uuid = $tr.data( 'uuid' );

		clearNotices();
		$submitButton.prop( 'disabled', true );

		wp.apiRequest( {
			path: '/wp/v2/users/' + userId + '/application-passwords/' + uuid + '?_locale=user',
			method: 'DELETE'
		} ).always( function() {
			$submitButton.prop( 'disabled', false );
		} ).done( function( response ) {
			if ( response.deleted ) {
				if ( 0 === $tr.siblings().length ) {
					$appPassTwrapper.hide();
				}
				$tr.remove();

				addNotice( wp.i18n.__( 'Application password revoked.' ), 'success' ).trigger( 'focus' );
			}
		} ).fail( handleErrorResponse );
	} );

	$removeAllBtn.on( 'click', function( e ) {
		e.preventDefault();

		if ( ! window.confirm( wp.i18n.__( 'Are you sure you want to revoke all passwords? This action cannot be undone.' ) ) ) {
			return;
		}

		var $submitButton = $( this );

		clearNotices();
		$submitButton.prop( 'disabled', true );

		wp.apiRequest( {
			path: '/wp/v2/users/' + userId + '/application-passwords?_locale=user',
			method: 'DELETE'
		} ).always( function() {
			$submitButton.prop( 'disabled', false );
		} ).done( function( response ) {
			if ( response.deleted ) {
				$appPassTbody.children().remove();
				$appPassSection.children( '.new-application-password' ).remove();
				$appPassTwrapper.hide();

				addNotice( wp.i18n.__( 'All application passwords revoked.' ), 'success' ).trigger( 'focus' );
			}
		} ).fail( handleErrorResponse );
	} );

	$appPassSection.on( 'click', '.notice-dismiss', function( e ) {
		e.preventDefault();
		var $el = $( this ).parent();
		$el.removeAttr( 'role' );
		$el.fadeTo( 100, 0, function () {
			$el.slideUp( 100, function () {
				$el.remove();
				$newAppPassField.trigger( 'focus' );
			} );
		} );
	} );

	$newAppPassField.on( 'keypress', function ( e ) {
		if ( 13 === e.which ) {
			e.preventDefault();
			$newAppPassButton.trigger( 'click' );
		}
	} );

	// If there are no items, don't display the table yet.  If there are, show it.
	if ( 0 === $appPassTbody.children( 'tr' ).not( $appPassTrNoItems ).length ) {
		$appPassTwrapper.hide();
	}

	/**
	 * Handles an error response from the REST API.
	 *
	 * @since 5.6.0
	 *
	 * @param {jqXHR} xhr The XHR object from the ajax call.
	 * @param {string} textStatus The string categorizing the ajax request's status.
	 * @param {string} errorThrown The HTTP status error text.
	 */
	function handleErrorResponse( xhr, textStatus, errorThrown ) {
		var errorMessage = errorThrown;

		if ( xhr.responseJSON && xhr.responseJSON.message ) {
			errorMessage = xhr.responseJSON.message;
		}

		addNotice( errorMessage, 'error' );
	}

	/**
	 * Displays a message in the Application Passwords section.
	 *
	 * @since 5.6.0
	 *
	 * @param {string} message The message to display.
	 * @param {string} type    The notice type. Either 'success' or 'error'.
	 * @returns {jQuery} The notice element.
	 */
	function addNotice( message, type ) {
		var $notice = $( '<div></div>' )
			.attr( 'role', 'alert' )
			.attr( 'tabindex', '-1' )
			.addClass( 'is-dismissible notice notice-' + type )
			.append( $( '<p></p>' ).text( message ) )
			.append(
				$( '<button></button>' )
					.attr( 'type', 'button' )
					.addClass( 'notice-dismiss' )
					.append( $( '<span></span>' ).addClass( 'screen-reader-text' ).text( wp.i18n.__( 'Dismiss this notice.' ) ) )
			);

		$newAppPassForm.after( $notice );

		return $notice;
	}

	/**
	 * Clears notice messages from the Application Passwords section.
	 *
	 * @since 5.6.0
	 */
	function clearNotices() {
		$( '.notice', $appPassSection ).remove();
	}
}( jQuery ) );
PK       ! ��gÌ  �    password-strength-meter.jsnu �[���        /**
 * @output wp-admin/js/password-strength-meter.js
 */

/* global zxcvbn */
window.wp = window.wp || {};

(function($){
	var __ = wp.i18n.__,
		sprintf = wp.i18n.sprintf;

	/**
	 * Contains functions to determine the password strength.
	 *
	 * @since 3.7.0
	 *
	 * @namespace
	 */
	wp.passwordStrength = {
		/**
		 * Determines the strength of a given password.
		 *
		 * Compares first password to the password confirmation.
		 *
		 * @since 3.7.0
		 *
		 * @param {string} password1       The subject password.
		 * @param {Array}  disallowedList An array of words that will lower the entropy of
		 *                                 the password.
		 * @param {string} password2       The password confirmation.
		 *
		 * @return {number} The password strength score.
		 */
		meter : function( password1, disallowedList, password2 ) {
			if ( ! Array.isArray( disallowedList ) )
				disallowedList = [ disallowedList.toString() ];

			if (password1 != password2 && password2 && password2.length > 0)
				return 5;

			if ( 'undefined' === typeof window.zxcvbn ) {
				// Password strength unknown.
				return -1;
			}

			var result = zxcvbn( password1, disallowedList );
			return result.score;
		},

		/**
		 * Builds an array of words that should be penalized.
		 *
		 * Certain words need to be penalized because it would lower the entropy of a
		 * password if they were used. The disallowedList is based on user input fields such
		 * as username, first name, email etc.
		 *
		 * @since 3.7.0
		 * @deprecated 5.5.0 Use {@see 'userInputDisallowedList()'} instead.
		 *
		 * @return {string[]} The array of words to be disallowed.
		 */
		userInputBlacklist : function() {
			window.console.log(
				sprintf(
					/* translators: 1: Deprecated function name, 2: Version number, 3: Alternative function name. */
					__( '%1$s is deprecated since version %2$s! Use %3$s instead. Please consider writing more inclusive code.' ),
					'wp.passwordStrength.userInputBlacklist()',
					'5.5.0',
					'wp.passwordStrength.userInputDisallowedList()'
				)
			);

			return wp.passwordStrength.userInputDisallowedList();
		},

		/**
		 * Builds an array of words that should be penalized.
		 *
		 * Certain words need to be penalized because it would lower the entropy of a
		 * password if they were used. The disallowed list is based on user input fields such
		 * as username, first name, email etc.
		 *
		 * @since 5.5.0
		 *
		 * @return {string[]} The array of words to be disallowed.
		 */
		userInputDisallowedList : function() {
			var i, userInputFieldsLength, rawValuesLength, currentField,
				rawValues       = [],
				disallowedList  = [],
				userInputFields = [ 'user_login', 'first_name', 'last_name', 'nickname', 'display_name', 'email', 'url', 'description', 'weblog_title', 'admin_email' ];

			// Collect all the strings we want to disallow.
			rawValues.push( document.title );
			rawValues.push( document.URL );

			userInputFieldsLength = userInputFields.length;
			for ( i = 0; i < userInputFieldsLength; i++ ) {
				currentField = $( '#' + userInputFields[ i ] );

				if ( 0 === currentField.length ) {
					continue;
				}

				rawValues.push( currentField[0].defaultValue );
				rawValues.push( currentField.val() );
			}

			/*
			 * Strip out non-alphanumeric characters and convert each word to an
			 * individual entry.
			 */
			rawValuesLength = rawValues.length;
			for ( i = 0; i < rawValuesLength; i++ ) {
				if ( rawValues[ i ] ) {
					disallowedList = disallowedList.concat( rawValues[ i ].replace( /\W/g, ' ' ).split( ' ' ) );
				}
			}

			/*
			 * Remove empty values, short words and duplicates. Short words are likely to
			 * cause many false positives.
			 */
			disallowedList = $.grep( disallowedList, function( value, key ) {
				if ( '' === value || 4 > value.length ) {
					return false;
				}

				return $.inArray( value, disallowedList ) === key;
			});

			return disallowedList;
		}
	};

	// Backward compatibility.

	/**
	 * Password strength meter function.
	 *
	 * @since 2.5.0
	 * @deprecated 3.7.0 Use wp.passwordStrength.meter instead.
	 *
	 * @global
	 *
	 * @type {wp.passwordStrength.meter}
	 */
	window.passwordStrength = wp.passwordStrength.meter;
})(jQuery);
PK       ! ��  �    user-suggest.min.jsnu �[���        /*! This file is auto-generated */
!function(a){var n="undefined"!=typeof current_site_id?"&site_id="+current_site_id:"";a(function(){var i={offset:"0, -1"};"undefined"!=typeof isRtl&&isRtl&&(i.my="right top",i.at="right bottom"),a(".wp-suggest-user").each(function(){var e=a(this),t=void 0!==e.data("autocompleteType")?e.data("autocompleteType"):"add",o=void 0!==e.data("autocompleteField")?e.data("autocompleteField"):"user_login";e.autocomplete({source:ajaxurl+"?action=autocomplete-user&autocomplete_type="+t+"&autocomplete_field="+o+n,delay:500,minLength:2,position:i,open:function(){a(this).addClass("open")},close:function(){a(this).removeClass("open")}})})})}(jQuery);PK       ! v�!�Ax  Ax    nav-menu.min.jsnu �[���        /*! This file is auto-generated */
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isRtl&&isRtl?-1:1,lastSearch:"",init:function(){I.menuList=k("#menu-to-edit"),I.targetList=I.menuList,this.jQueryExtensions(),this.attachMenuEditListeners(),this.attachBulkSelectButtonListeners(),this.attachMenuCheckBoxListeners(),this.attachMenuItemDeleteButton(),this.attachPendingMenuItemsListForDeletion(),this.attachQuickSearchListeners(),this.attachThemeLocationsListeners(),this.attachMenuSaveSubmitListeners(),this.attachTabsPanelListeners(),this.attachUnsavedChangesListener(),I.menuList.length&&this.initSortables(),menus.oneThemeLocationNoMenus&&k("#posttype-page").addSelectedToMenu(I.addMenuItemToBottom),this.initManageLocations(),this.initAccessibility(),this.initToggles(),this.initPreviewing()},jQueryExtensions:function(){k.fn.extend({menuItemDepth:function(){var e=I.isRTL?this.eq(0).css("margin-right"):this.eq(0).css("margin-left");return I.pxToDepth(e&&-1!=e.indexOf("px")?e.slice(0,-2):0)},updateDepthClass:function(t,n){return this.each(function(){var 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0===t[1]?0:parseInt(t[1],10);this.className&&-1!=this.className.indexOf("add-to-top")&&(a=I.addMenuItemToTop),n[t]=e.closest("li").getItemData("add-menu-item",t)}),I.addItemToMenu(n,a,function(){t.prop("checked",!1),e.find(".button-controls .select-all").prop("checked",!1),e.find(".button-controls .spinner").removeClass("is-active"),e.updateParentDropdown(),e.updateOrderDropdown()})})},getItemData:function(t,n){t=t||"menu-item";var i,a={},s=["menu-item-db-id","menu-item-object-id","menu-item-object","menu-item-parent-id","menu-item-position","menu-item-type","menu-item-title","menu-item-url","menu-item-description","menu-item-attr-title","menu-item-target","menu-item-classes","menu-item-xfn"];return(n=n||"menu-item"!=t?n:this.find(".menu-item-data-db-id").val())&&this.find("input").each(function(){var e;for(i=s.length;i--;)"menu-item"==t?e=s[i]+"["+n+"]":"add-menu-item"==t&&(e="menu-item["+n+"]["+s[i]+"]"),this.name&&e==this.name&&(a[s[i]]=this.value)}),a},setItemData:function(e,a,s){return a=a||"menu-item",(s=s||"menu-item"!=a?s:k(".menu-item-data-db-id",this).val())&&this.find("input").each(function(){var n,i=k(this);k.each(e,function(e,t){"menu-item"==a?n=e+"["+s+"]":"add-menu-item"==a&&(n="menu-item["+s+"]["+e+"]"),n==i.attr("name")&&i.val(t)})}),this},updateParentDropdown:function(){return this.each(function(){var s=k("#menu-to-edit li"),e=k(".edit-menu-item-parent");k.each(e,function(){var n=k(this),e=parseInt(n.closest("li.menu-item").find(".menu-item-data-db-id").val()),i=parseInt(n.closest("li.menu-item").find(".menu-item-data-parent-id").val()),t=n.closest("li.menu-item").childMenuItems(),a=[e];n.empty(),0<t.length&&k.each(t,function(){var e=k(this),e=parseInt(e.find(".menu-item-data-db-id").val());a.push(e)}),n.append(k("<option>",{value:"0",selected:0===i,text:wp.i18n._x("No Parent","menu item without a parent in navigation menu")})),k.each(s,function(){var e=k(this),t=parseInt(e.find(".menu-item-data-db-id").val()),e=e.find(".edit-menu-item-title").val();a.includes(t)||n.append(k("<option>",{value:t.toString(),selected:i===t,text:e}))})})})},updateOrderDropdown:function(){return this.each(function(){var u,e=k(".edit-menu-item-order");k.each(e,function(){var t=k(this),e=t.closest("li.menu-item").first(),n=e.menuItemDepth(),i=0===n;if(t.empty(),i){var i=k(".menu-item-depth-0"),a=i.length;u=i.index(e)+1;for(let e=1;e<a+1;e++){var s=wp.i18n.sprintf(wp.i18n._x("%1$s of %2$s","part of a total number of menu items"),e,a);t.append(k("<option>",{selected:e===u,value:e.toString(),text:s}))}}else{var i=e.prevAll(".menu-item-depth-"+parseInt(n-1,10)).first().find(".menu-item-data-db-id").val(),n=k('.menu-item .menu-item-data-parent-id[value="'+i+'"]'),m=n.length;u=k(n.parents(".menu-item").get().reverse()).index(e)+1;for(let e=1;e<m+1;e++){var o=wp.i18n.sprintf(wp.i18n._x("%1$s of %2$s","part of a total number of menu items"),e,m);t.append(k("<option>",{selected:e===u,value:e.toString(),text:o}))}}})})}})},countMenuItems:function(e){return k(".menu-item-depth-"+e).length},moveMenuItem:function(e,t){var n,i,a=k("#menu-to-edit li"),s=a.length,m=e.parents("li.menu-item"),o=m.childMenuItems(),u=m.getItemData(),d=parseInt(m.menuItemDepth(),10),r=parseInt(m.index(),10),l=m.next(),c=l.childMenuItems(),h=parseInt(l.menuItemDepth(),10)+1,p=m.prev(),f=parseInt(p.menuItemDepth(),10),v=p.getItemData()["menu-item-db-id"],p=menus["moved"+t.charAt(0).toUpperCase()+t.slice(1)];switch(t){case"up":i=r-1,0!==r&&(0==i&&0!==d&&m.moveHorizontally(0,d),0!==f&&m.moveHorizontally(f,d),(o?n=m.add(o):m).detach().insertBefore(a.eq(i)).updateParentMenuItemDBId());break;case"down":if(o){if(n=m.add(o),(c=0!==(l=a.eq(n.length+r)).childMenuItems().length)&&(i=parseInt(l.menuItemDepth(),10)+1,m.moveHorizontally(i,d)),s===r+n.length)break;n.detach().insertAfter(a.eq(r+n.length)).updateParentMenuItemDBId()}else{if(0!==c.length&&m.moveHorizontally(h,d),s===r+1)break;m.detach().insertAfter(a.eq(r+1)).updateParentMenuItemDBId()}break;case"top":0!==r&&(o?n=m.add(o):m).detach().insertBefore(a.eq(0)).updateParentMenuItemDBId();break;case"left":0!==d&&m.shiftHorizontally(-1);break;case"right":0!==r&&u["menu-item-parent-id"]!==v&&m.shiftHorizontally(1)}e.trigger("focus"),I.registerChange(),I.refreshKeyboardAccessibility(),I.refreshAdvancedAccessibility(),m.updateParentDropdown(),m.updateOrderDropdown(),p&&wp.a11y.speak(p)},initAccessibility:function(){var e=k("#menu-to-edit");I.refreshKeyboardAccessibility(),I.refreshAdvancedAccessibility(),e.on("mouseenter.refreshAccessibility focus.refreshAccessibility touchstart.refreshAccessibility",".menu-item",function(){I.refreshAdvancedAccessibilityOfItem(k(this).find("a.item-edit"))}),e.on("click","a.item-edit",function(){I.refreshAdvancedAccessibilityOfItem(k(this))}),e.on("click",".menus-move",function(){var e=k(this).data("dir");void 0!==e&&I.moveMenuItem(k(this).parents("li.menu-item").find("a.item-edit"),e)}),e.updateParentDropdown(),e.updateOrderDropdown(),e.on("change",".edit-menu-item-parent",function(){I.changeMenuParent(k(this))}),e.on("change",".edit-menu-item-order",function(){I.changeMenuOrder(k(this))})},changeMenuParent:function(e){var t=k("#menu-to-edit li"),e=k(e),n=e.val(),i=e.closest("li.menu-item").first(),a=i.menuItemDepth(),s=i.childMenuItems(),m=parseInt(i.childMenuItems().length,10),o=k("#menu-item-"+n),u=o.menuItemDepth(),u=parseInt(u)+1,u=(0==n&&(u=0),i.find(".menu-item-data-parent-id").val(n),i.moveHorizontally(u,a),(i=0<m?i.add(s):i).detach(),t=k("#menu-to-edit li"),parseInt(o.index(),10)),a=parseInt(o.childMenuItems().length,10),m=0<a?u+a:u;0==n&&(m=t.length-1),i.insertAfter(t.eq(m)).updateParentMenuItemDBId().updateParentDropdown().updateOrderDropdown(),I.registerChange(),I.refreshKeyboardAccessibility(),I.refreshAdvancedAccessibility(),e.trigger("focus"),wp.a11y.speak(menus.parentUpdated,"polite")},changeMenuOrder:function(e){var t=k("#menu-to-edit li"),e=k(e),n=parseInt(e.val(),10),i=e.closest("li.menu-item").first(),a=i.childMenuItems(),s=a.length,m=parseInt(i.index(),10),o=i.find(".menu-item-data-parent-id").val(),o=k('.menu-item .menu-item-data-parent-id[value="'+o+'"]'),o=k(o[n-1]).closest("li.menu-item"),n=(0<s&&(i=i.add(a)),o.childMenuItems().length),s=parseInt(o.index(),10),t=k("#menu-to-edit li"),a=s;(a<m?(a=s,i.detach().insertBefore(t.eq(a))):(a+=n,i.detach().insertAfter(t.eq(a)))).updateOrderDropdown(),I.registerChange(),I.refreshKeyboardAccessibility(),I.refreshAdvancedAccessibility(),e.trigger("focus"),wp.a11y.speak(menus.orderUpdated,"polite")},refreshAdvancedAccessibilityOfItem:function(e){var t,n,i,a,s,m,o,u,d,r,l,c,h;!0===k(e).data("needs_accessibility_refresh")&&(m=0===(s=(a=(e=k(e)).closest("li.menu-item").first()).menuItemDepth()),o=e.closest(".menu-item-handle").find(".menu-item-title").text(),u=e.closest(".menu-item-handle").find(".item-controls").find(".item-type").text(),d=parseInt(a.index(),10),r=m?s:parseInt(s-1,10),r=a.prevAll(".menu-item-depth-"+r).first().find(".menu-item-title").text(),l=a.prevAll(".menu-item-depth-"+s).first().find(".menu-item-title").text(),c=k("#menu-to-edit li").length,h=a.nextAll(".menu-item-depth-"+s).length,a.find(".field-move").toggle(1<c),0!==d&&(n=a.find(".menus-move-up")).attr("aria-label",menus.moveUp).css("display","inline"),0!==d&&m&&(n=a.find(".menus-move-top")).attr("aria-label",menus.moveToTop).css("display","inline"),d+1!==c&&0!==d&&(n=a.find(".menus-move-down")).attr("aria-label",menus.moveDown).css("display","inline"),0===d&&0!==h&&(n=a.find(".menus-move-down")).attr("aria-label",menus.moveDown).css("display","inline"),m||(n=a.find(".menus-move-left"),i=menus.outFrom.replace("%s",r),n.attr("aria-label",menus.moveOutFrom.replace("%s",r)).text(i).css("display","inline")),0!==d&&a.find(".menu-item-data-parent-id").val()!==a.prev().find(".menu-item-data-db-id").val()&&(n=a.find(".menus-move-right"),i=menus.under.replace("%s",l),n.attr("aria-label",menus.moveUnder.replace("%s",l)).text(i).css("display","inline")),m=m?(t=(h=k(".menu-item-depth-0")).index(a)+1,c=h.length,menus.menuFocus.replace("%1$s",o).replace("%2$s",u).replace("%3$d",t).replace("%4$d",c)):(d=(r=a.prevAll(".menu-item-depth-"+parseInt(s-1,10)).first()).find(".menu-item-data-db-id").val(),n=r.find(".menu-item-title").text(),i=(l=k('.menu-item .menu-item-data-parent-id[value="'+d+'"]')).length,t=k(l.parents(".menu-item").get().reverse()).index(a)+1,s<2?menus.subMenuFocus.replace("%1$s",o).replace("%2$s",u).replace("%3$d",t).replace("%4$d",i).replace("%5$s",n):menus.subMenuMoreDepthFocus.replace("%1$s",o).replace("%2$s",u).replace("%3$d",t).replace("%4$d",i).replace("%5$s",n).replace("%6$d",s)),e.attr("aria-label",m),e.data("needs_accessibility_refresh",!1))},refreshAdvancedAccessibility:function(){k(".menu-item-settings .field-move .menus-move").hide(),k("a.item-edit").data("needs_accessibility_refresh",!0),k(".menu-item-edit-active a.item-edit").each(function(){I.refreshAdvancedAccessibilityOfItem(this)})},refreshKeyboardAccessibility:function(){k("a.item-edit").off("focus").on("focus",function(){k(this).off("keydown").on("keydown",function(e){var t,n=k(this),i=n.parents("li.menu-item").getItemData();if((37==e.which||38==e.which||39==e.which||40==e.which)&&(n.off("keydown"),1!==k("#menu-to-edit li").length)){switch(t={38:"up",40:"down",37:"left",39:"right"},(t=k("body").hasClass("rtl")?{38:"up",40:"down",39:"left",37:"right"}:t)[e.which]){case"up":I.moveMenuItem(n,"up");break;case"down":I.moveMenuItem(n,"down");break;case"left":I.moveMenuItem(n,"left");break;case"right":I.moveMenuItem(n,"right")}return k("#edit-"+i["menu-item-db-id"]).trigger("focus"),!1}})})},initPreviewing:function(){k("#menu-to-edit").on("change input",".edit-menu-item-title",function(e){var e=k(e.currentTarget),t=e.val(),e=e.closest(".menu-item").find(".menu-item-title");t?e.text(t).removeClass("no-title"):e.text(wp.i18n._x("(no label)","missing menu item navigation label")).addClass("no-title")})},initToggles:function(){postboxes.add_postbox_toggles("nav-menus"),columns.useCheckboxesForHidden(),columns.checked=function(e){k(".field-"+e).removeClass("hidden-field")},columns.unchecked=function(e){k(".field-"+e).addClass("hidden-field")},I.menuList.hideAdvancedMenuItemFields(),k(".hide-postbox-tog").on("click",function(){var e=k(".accordion-container li.accordion-section").filter(":hidden").map(function(){return this.id}).get().join(",");k.post(ajaxurl,{action:"closed-postboxes",hidden:e,closedpostboxesnonce:jQuery("#closedpostboxesnonce").val(),page:"nav-menus"})})},initSortables:function(){var m,a,s,n,o,u,d,r,l,c,e,h=0,p=I.menuList.offset().left,f=k("body"),v=f[0].className&&(e=f[0].className.match(/menu-max-depth-(\d+)/))&&e[1]?parseInt(e[1],10):0;function g(e){n=e.placeholder.prev(".menu-item"),o=e.placeholder.next(".menu-item"),n[0]==e.item[0]&&(n=n.prev(".menu-item")),o[0]==e.item[0]&&(o=o.next(".menu-item")),u=n.length?n.offset().top+n.height():0,d=o.length?o.offset().top+o.height()/3:0,a=o.length?o.menuItemDepth():0,s=n.length?(e=n.menuItemDepth()+1)>I.options.globalMaxDepth?I.options.globalMaxDepth:e:0}function b(e,t){e.placeholder.updateDepthClass(t,h),h=t}0!==k("#menu-to-edit li").length&&k(".drag-instructions").show(),p+=I.isRTL?I.menuList.width():0,I.menuList.sortable({handle:".menu-item-handle",placeholder:"sortable-placeholder",items:I.options.sortableItems,start:function(e,t){var n,i;I.isRTL&&(t.item[0].style.right="auto"),l=t.item.children(".menu-item-transport"),m=t.item.menuItemDepth(),b(t,m),i=(t.item.next()[0]==t.placeholder[0]?t.item.next():t.item).childMenuItems(),l.append(i),n=l.outerHeight(),n=(n+=0<n?+t.placeholder.css("margin-top").slice(0,-2):0)+t.helper.outerHeight(),r=n,t.placeholder.height(n-=2),c=m,i.each(function(){var e=k(this).menuItemDepth();c=c<e?e:c}),n=t.helper.find(".menu-item-handle").outerWidth(),n+=I.depthToPx(c-m),t.placeholder.width(n-=2),(i=t.placeholder.next(".menu-item")).css("margin-top",r+"px"),t.placeholder.detach(),k(this).sortable("refresh"),t.item.after(t.placeholder),i.css("margin-top",0),g(t)},stop:function(e,t){var n=h-m,i=l.children().insertAfter(t.item),a=t.item.find(".item-title .is-submenu");if(0<h?a.show():a.hide(),0!=n){t.item.updateDepthClass(h),i.shiftDepthClass(n);var a=n,s=v;if(0!==a){if(0<a)v<(i=c+a)&&(s=i);else if(a<0&&c==v)for(;!k(".menu-item-depth-"+s,I.menuList).length&&0<s;)s--;f.removeClass("menu-max-depth-"+v).addClass("menu-max-depth-"+s),v=s}}I.registerChange(),t.item.updateParentMenuItemDBId(),t.item[0].style.top=0,I.isRTL&&(t.item[0].style.left="auto",t.item[0].style.right=0),I.refreshKeyboardAccessibility(),I.refreshAdvancedAccessibility(),t.item.updateParentDropdown(),t.item.updateOrderDropdown(),I.refreshAdvancedAccessibilityOfItem(t.item.find("a.item-edit"))},change:function(e,t){t.placeholder.parent().hasClass("menu")||(n.length?n.after(t.placeholder):I.menuList.prepend(t.placeholder)),g(t)},sort:function(e,t){var n=t.helper.offset(),i=I.isRTL?n.left+t.helper.width():n.left,i=I.negateIfRTL*I.pxToDepth(i-p);s<i||n.top<u-I.options.targetTolerance?i=s:i<a&&(i=a),i!=h&&b(t,i),d&&n.top+r>d&&(o.after(t.placeholder),g(t),k(this).sortable("refreshPositions"))}})},initManageLocations:function(){k("#menu-locations-wrap form").on("submit",function(){window.onbeforeunload=null}),k(".menu-location-menus select").on("change",function(){var e=k(this).closest("tr").find(".locations-edit-menu-link");k(this).find("option:selected").data("orig")?e.show():e.hide()})},attachMenuEditListeners:function(){var t=this;k("#update-nav-menu").on("click",function(e){if(e.target&&e.target.className)return-1!=e.target.className.indexOf("item-edit")?t.eventOnClickEditLink(e.target):-1!=e.target.className.indexOf("menu-save")?t.eventOnClickMenuSave(e.target):-1!=e.target.className.indexOf("menu-delete")?t.eventOnClickMenuDelete(e.target):-1!=e.target.className.indexOf("item-delete")?t.eventOnClickMenuItemDelete(e.target):-1!=e.target.className.indexOf("item-cancel")?t.eventOnClickCancelLink(e.target):void 0}),k("#menu-name").on("input",_.debounce(function(){var e=k(document.getElementById("menu-name")),t=e.val();t&&t.replace(/\s+/,"")?e.parent().removeClass("form-invalid"):e.parent().addClass("form-invalid")},500)),k('#add-custom-links input[type="text"]').on("keypress",function(e){k("#customlinkdiv").removeClass("form-invalid"),k("#custom-menu-item-url").removeAttr("aria-invalid").removeAttr("aria-describedby"),k("#custom-url-error").hide(),13===e.keyCode&&(e.preventDefault(),k("#submit-customlinkdiv").trigger("click"))}),k("#submit-customlinkdiv").on("click",function(e){var t=k("#custom-menu-item-url"),n=t.val().trim(),i=k("#custom-url-error"),a=k("#menu-item-url-wrap");i.hide(),a.removeClass("has-error"),/^((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#)/.test(n)||(e.preventDefault(),t.addClass("form-invalid").attr("aria-invalid","true").attr("aria-describedby","custom-url-error"),i.show(),n=i.text(),a.addClass("has-error"),wp.a11y.speak(n,"assertive"))})},attachBulkSelectButtonListeners:function(){var e=this;k(".bulk-select-switcher").on("change",function(){this.checked?(k(".bulk-select-switcher").prop("checked",!0),e.enableBulkSelection()):(k(".bulk-select-switcher").prop("checked",!1),e.disableBulkSelection())})},enableBulkSelection:function(){var e=k("#menu-to-edit .menu-item-checkbox");k("#menu-to-edit").addClass("bulk-selection"),k("#nav-menu-bulk-actions-top").addClass("bulk-selection"),k("#nav-menu-bulk-actions-bottom").addClass("bulk-selection"),k.each(e,function(){k(this).prop("disabled",!1)})},disableBulkSelection:function(){var e=k("#menu-to-edit .menu-item-checkbox");k("#menu-to-edit").removeClass("bulk-selection"),k("#nav-menu-bulk-actions-top").removeClass("bulk-selection"),k("#nav-menu-bulk-actions-bottom").removeClass("bulk-selection"),k(".menu-items-delete").is('[aria-describedby="pending-menu-items-to-delete"]')&&k(".menu-items-delete").removeAttr("aria-describedby"),k.each(e,function(){k(this).prop("disabled",!0).prop("checked",!1)}),k(".menu-items-delete").addClass("disabled"),k("#pending-menu-items-to-delete ul").empty()},attachMenuCheckBoxListeners:function(){var e=this;k("#menu-to-edit").on("change",".menu-item-checkbox",function(){e.setRemoveSelectedButtonStatus()})},attachMenuItemDeleteButton:function(){var t=this;k(document).on("click",".menu-items-delete",function(e){var n,i;e.preventDefault(),k(this).hasClass("disabled")||(k.each(k(".menu-item-checkbox:checked"),function(e,t){k(t).parents("li").find("a.item-delete").trigger("click")}),k(".menu-items-delete").addClass("disabled"),k(".bulk-select-switcher").prop("checked",!1),n="",i=k("#pending-menu-items-to-delete ul li"),k.each(i,function(e,t){t=k(t).find(".pending-menu-item-name").text(),t=menus.menuItemDeletion.replace("%s",t);n+=t,e+1<i.length&&(n+=", ")}),e=menus.itemsDeleted.replace("%s",n),wp.a11y.speak(e,"polite"),t.disableBulkSelection(),k("#menu-to-edit").updateParentDropdown(),k("#menu-to-edit").updateOrderDropdown())})},attachPendingMenuItemsListForDeletion:function(){k("#post-body-content").on("change",".menu-item-checkbox",function(){var e,t,n,i;k(".menu-items-delete").is('[aria-describedby="pending-menu-items-to-delete"]')||k(".menu-items-delete").attr("aria-describedby","pending-menu-items-to-delete"),e=k(this).next().text(),t=k(this).parent().next(".item-controls").find(".item-type").text(),n=k(this).attr("data-menu-item-id"),0<(i=k("#pending-menu-items-to-delete ul").find("[data-menu-item-id="+n+"]")).length&&i.remove(),!0===this.checked&&((i=k("<li>",{"data-menu-item-id":n})).append(k("<span>",{class:"pending-menu-item-name",text:e})),i.append(" "),i.append(k("<span>",{class:"pending-menu-item-type",text:"("+t+")"})),i.append(k("<span>",{class:"separator"})),k("#pending-menu-items-to-delete ul").append(i)),k("#pending-menu-items-to-delete li .separator").html(", "),k("#pending-menu-items-to-delete li .separator").last().html(".")})},setBulkDeleteCheckboxStatus:function(){var e=k("#menu-to-edit .menu-item-checkbox");k.each(e,function(){k(this).prop("disabled")?k(this).prop("disabled",!1):k(this).prop("disabled",!0),k(this).is(":checked")&&k(this).prop("checked",!1)}),this.setRemoveSelectedButtonStatus()},setRemoveSelectedButtonStatus:function(){var e=k(".menu-items-delete");0<k(".menu-item-checkbox:checked").length?e.removeClass("disabled"):e.addClass("disabled")},attachMenuSaveSubmitListeners:function(){k("#update-nav-menu").on("submit",function(){var e=k("#update-nav-menu").serializeArray();k('[name="nav-menu-data"]').val(JSON.stringify(e))})},attachThemeLocationsListeners:function(){var e=k("#nav-menu-theme-locations"),t={action:"menu-locations-save"};t["menu-settings-column-nonce"]=k("#menu-settings-column-nonce").val(),e.find('input[type="submit"]').on("click",function(){return e.find("select").each(function(){t[this.name]=k(this).val()}),e.find(".spinner").addClass("is-active"),k.post(ajaxurl,t,function(){e.find(".spinner").removeClass("is-active")}),!1})},attachQuickSearchListeners:function(){var t;k("#nav-menu-meta").on("submit",function(e){e.preventDefault()}),k("#nav-menu-meta").on("input",".quick-search",function(){var e=k(this);e.attr("autocomplete","off"),t&&clearTimeout(t),t=setTimeout(function(){I.updateQuickSearchResults(e)},500)}).on("blur",".quick-search",function(){I.lastSearch=""})},updateQuickSearchResults:function(e){var t,n,i=e.val(),a=k("#page-search-checklist");I.lastSearch!=i&&(i.length<=1?(a.empty(),wp.a11y.speak(wp.i18n.__("Search results cleared"))):(I.lastSearch=i,t=e.parents(".tabs-panel"),n={action:"menu-quick-search","response-format":"markup",menu:k("#menu").val(),"menu-settings-column-nonce":k("#menu-settings-column-nonce").val(),q:i,type:e.attr("name")},k(".spinner",t).addClass("is-active"),k.post(ajaxurl,n,function(e){I.processQuickSearchQueryResponse(e,n,t)})))},addCustomLink:function(e){var t=k("#custom-menu-item-url").val().toString(),n=k("#custom-menu-item-name").val();if(""!==t&&(t=t.trim()),e=e||I.addMenuItemToBottom,!/^((\w+:)?\/\/\w.*|\w+:(?!\/\/$)|\/|\?|#)/.test(t))return k("#customlinkdiv").addClass("form-invalid"),!1;k(".customlinkdiv .spinner").addClass("is-active"),this.addLinkToMenu(t,n,e,function(){k(".customlinkdiv .spinner").removeClass("is-active"),k("#custom-menu-item-name").val("").trigger("blur"),k("#custom-menu-item-url").val("").attr("placeholder","https://")})},addLinkToMenu:function(e,t,n,i){n=n||I.addMenuItemToBottom,I.addItemToMenu({"-1":{"menu-item-type":"custom","menu-item-url":e,"menu-item-title":t}},n,i=i||function(){})},addItemToMenu:function(e,n,i){var a,t=k("#menu").val(),s=k("#menu-settings-column-nonce").val();n=n||function(){},i=i||function(){},a={action:"add-menu-item",menu:t,"menu-settings-column-nonce":s,"menu-item":e},k.post(ajaxurl,a,function(e){var t=k("#menu-instructions");e=(e=e||"").toString().trim(),n(e,a),k("li.pending").hide().fadeIn("slow"),k(".drag-instructions").show(),!t.hasClass("menu-instructions-inactive")&&t.siblings().length&&t.addClass("menu-instructions-inactive"),i()})},addMenuItemToBottom:function(e){e=k(e);e.hideAdvancedMenuItemFields().appendTo(I.targetList),I.refreshKeyboardAccessibility(),I.refreshAdvancedAccessibility(),wp.a11y.speak(menus.itemAdded),k(document).trigger("menu-item-added",[e])},addMenuItemToTop:function(e){e=k(e);e.hideAdvancedMenuItemFields().prependTo(I.targetList),I.refreshKeyboardAccessibility(),I.refreshAdvancedAccessibility(),wp.a11y.speak(menus.itemAdded),k(document).trigger("menu-item-added",[e])},attachUnsavedChangesListener:function(){k("#menu-management input, #menu-management select, #menu-management, #menu-management textarea, .menu-location-menus select").on("change",function(){I.registerChange()}),0!==k("#menu-to-edit").length||0!==k(".menu-location-menus select").length?window.onbeforeunload=function(){if(I.menusChanged)return wp.i18n.__("The changes you made will be lost if you navigate away from this page.")}:k("#menu-settings-column").find("input,select").end().find("a").attr("href","#").off("click")},registerChange:function(){I.menusChanged=!0},attachTabsPanelListeners:function(){k("#menu-settings-column").on("click",function(e){var t,n,i,a,s=k(e.target);if(s.hasClass("nav-tab-link"))n=s.data("type"),i=s.parents(".accordion-section-content").first(),k("input",i).prop("checked",!1),k(".tabs-panel-active",i).removeClass("tabs-panel-active").addClass("tabs-panel-inactive"),k("#"+n,i).removeClass("tabs-panel-inactive").addClass("tabs-panel-active"),k(".tabs",i).removeClass("tabs"),s.parent().addClass("tabs"),k(".quick-search",i).trigger("focus"),i.find(".tabs-panel-active .menu-item-title").length?i.removeClass("has-no-menu-item"):i.addClass("has-no-menu-item"),e.preventDefault();else if(s.hasClass("select-all"))(t=s.closest(".button-controls").data("items-type"))&&((a=k("#"+t+" .tabs-panel-active .menu-item-title input")).length!==a.filter(":checked").length||s.is(":checked")?s.is(":checked")&&a.prop("checked",!0):a.prop("checked",!1));else if(s.hasClass("menu-item-checkbox"))(t=s.closest(".tabs-panel-active").parent().attr("id"))&&(a=k("#"+t+" .tabs-panel-active .menu-item-title input"),n=k('.button-controls[data-items-type="'+t+'"] .select-all'),a.length!==a.filter(":checked").length||n.is(":checked")?n.is(":checked")&&n.prop("checked",!1):n.prop("checked",!0));else if(s.hasClass("submit-add-to-menu"))return I.registerChange(),e.target.id&&"submit-customlinkdiv"==e.target.id?I.addCustomLink(I.addMenuItemToBottom):e.target.id&&-1!=e.target.id.indexOf("submit-")&&k("#"+e.target.id.replace(/submit-/,"")).addSelectedToMenu(I.addMenuItemToBottom),!1}),k("#nav-menu-meta").on("click","a.page-numbers",function(){var n=k(this).closest(".inside");return k.post(ajaxurl,this.href.replace(/.*\?/,"").replace(/action=([^&]*)/,"")+"&action=menu-get-metabox",function(e){var t=JSON.parse(e);-1!==e.indexOf("replace-id")&&(e=document.getElementById(t["replace-id"]),t.markup)&&e&&n.html(t.markup)}),!1})},eventOnClickEditLink:function(e){var t,e=/#(.*)$/.exec(e.href);if(e&&e[1]&&0!==(t=(e=k("#"+e[1])).parent()).length)return t.hasClass("menu-item-edit-inactive")?(e.data("menu-item-data")||e.data("menu-item-data",e.getItemData()),e.slideDown("fast"),t.removeClass("menu-item-edit-inactive").addClass("menu-item-edit-active")):(e.slideUp("fast"),t.removeClass("menu-item-edit-active").addClass("menu-item-edit-inactive")),!1},eventOnClickCancelLink:function(e){var t=k(e).closest(".menu-item-settings"),e=k(e).closest(".menu-item");return e.removeClass("menu-item-edit-active").addClass("menu-item-edit-inactive"),t.setItemData(t.data("menu-item-data")).hide(),e.find(".menu-item-title").text(t.data("menu-item-data")["menu-item-title"]),!1},eventOnClickMenuSave:function(){var e,t=k("#menu-name"),n=t.val();return n&&n.replace(/\s+/,"")?(e=k("#update-nav-menu"),k("#nav-menu-theme-locations select").each(function(){e.append(k("<input>",{type:"hidden",name:this.name,value:k(this).val()}))}),I.menuList.find(".menu-item-data-position").val(function(e){return e+1}),!(window.onbeforeunload=null)):(t.parent().addClass("form-invalid"),!1)},eventOnClickMenuDelete:function(){return!!window.confirm(wp.i18n.__("You are about to permanently delete this menu.\n'Cancel' to stop, 'OK' to delete."))&&!(window.onbeforeunload=null)},eventOnClickMenuItemDelete:function(e){e=parseInt(e.id.replace("delete-",""),10);return I.removeMenuItem(k("#menu-item-"+e)),I.registerChange(),!1},processQuickSearchQueryResponse:function(e,t,n){var i,a,s,m,o={},u=document.getElementById("nav-menu-meta"),d=/menu-item[(\[^]\]*/,e=k("<div>").html(e).find("li"),r=n.closest(".accordion-section-content"),l=r.find(".button-controls .select-all");e.length?(e.each(function(){if(s=k(this),(i=d.exec(s.html()))&&i[1]){for(a=i[1];u.elements["menu-item["+a+"][menu-item-type]"]||o[a];)a--;o[a]=!0,a!=i[1]&&s.html(s.html().replace(new RegExp("menu-item\\["+i[1]+"\\]","g"),"menu-item["+a+"]"))}}),k(".categorychecklist",n).html(e),wp.a11y.speak(wp.i18n.sprintf(wp.i18n.__("%d Search Results Found"),e.length),"assertive"),k(".spinner",n).removeClass("is-active"),r.removeClass("has-no-menu-item"),l.is(":checked")&&l.prop("checked",!1)):(e=wp.i18n.__("No results found."),l=k("<li>"),m=k("<p>",{text:e}),l.append(m),k(".categorychecklist",n).empty().append(l),k(".spinner",n).removeClass("is-active"),r.addClass("has-no-menu-item"),wp.a11y.speak(e,"assertive"))},removeMenuItem:function(t){var n=t.childMenuItems();k(document).trigger("menu-removing-item",[t]),t.addClass("deleting").animate({opacity:0,height:0},350,function(){var e=k("#menu-instructions");t.remove(),n.shiftDepthClass(-1).updateParentMenuItemDBId(),0===k("#menu-to-edit li").length&&(k(".drag-instructions").hide(),e.removeClass("menu-instructions-inactive")),I.refreshAdvancedAccessibility(),wp.a11y.speak(menus.itemRemoved),k("#menu-to-edit").updateParentDropdown(),k("#menu-to-edit").updateOrderDropdown()})},depthToPx:function(e){return e*I.options.menuItemDepthPerLevel},pxToDepth:function(e){return Math.floor(e/I.options.menuItemDepthPerLevel)}};k(function(){wpNavMenu.init(),k(".menu-edit a, .menu-edit button, .menu-edit input, .menu-edit textarea, .menu-edit select").on("focus",function(){var e,t,n;783<=window.innerWidth&&(e=k("#nav-menu-footer").height()+20,0<(t=k(this).offset().top-(k(window).scrollTop()+k(window).height()-k(this).height()))&&(t=0),(t*=-1)<e)&&(n=k(document).scrollTop(),k(document).scrollTop(n+(e-t)))})}),k(document).on("menu-item-added",function(){k(".bulk-actions").is(":visible")||k(".bulk-actions").show()}),k(document).on("menu-removing-item",function(e,t){1===k(t).parents("#menu-to-edit").find("li").length&&k(".bulk-actions").is(":visible")&&k(".bulk-actions").hide()})}(jQuery);PK       ! ��D��  �    svg-painter.jsnu �[���        /**
 * Attempt to re-color SVG icons used in the admin menu or the toolbar
 *
 * @output wp-admin/js/svg-painter.js
 */

window.wp = window.wp || {};

wp.svgPainter = ( function( $, window, document, undefined ) {
	'use strict';
	var selector, painter,
		colorscheme = {},
		elements = [];

	$( function() {
		wp.svgPainter.init();
	});

	return {
		init: function() {
			painter = this;
			selector = $( '#adminmenu .wp-menu-image, #wpadminbar .ab-item' );

			painter.setColors();
			painter.findElements();
			painter.paint();
		},

		setColors: function( colors ) {
			if ( typeof colors === 'undefined' && typeof window._wpColorScheme !== 'undefined' ) {
				colors = window._wpColorScheme;
			}

			if ( colors && colors.icons && colors.icons.base && colors.icons.current && colors.icons.focus ) {
				colorscheme = colors.icons;
			}
		},

		findElements: function() {
			selector.each( function() {
				var $this = $(this), bgImage = $this.css( 'background-image' );

				if ( bgImage && bgImage.indexOf( 'data:image/svg+xml;base64' ) != -1 ) {
					elements.push( $this );
				}
			});
		},

		paint: function() {
			// Loop through all elements.
			$.each( elements, function( index, $element ) {
				var $menuitem = $element.parent().parent();

				if ( $menuitem.hasClass( 'current' ) || $menuitem.hasClass( 'wp-has-current-submenu' ) ) {
					// Paint icon in 'current' color.
					painter.paintElement( $element, 'current' );
				} else {
					// Paint icon in base color.
					painter.paintElement( $element, 'base' );

					// Set hover callbacks.
					$menuitem.on( 'mouseenter', function() {
						painter.paintElement( $element, 'focus' );
					} ).on( 'mouseleave', function() {
						// Match the delay from hoverIntent.
						window.setTimeout( function() {
							painter.paintElement( $element, 'base' );
						}, 100 );
					} );
				}
			});
		},

		paintElement: function( $element, colorType ) {
			var xml, encoded, color;

			if ( ! colorType || ! colorscheme.hasOwnProperty( colorType ) ) {
				return;
			}

			color = colorscheme[ colorType ];

			// Only accept hex colors: #101 or #101010.
			if ( ! color.match( /^(#[0-9a-f]{3}|#[0-9a-f]{6})$/i ) ) {
				return;
			}

			xml = $element.data( 'wp-ui-svg-' + color );

			if ( xml === 'none' ) {
				return;
			}

			if ( ! xml ) {
				encoded = $element.css( 'background-image' ).match( /.+data:image\/svg\+xml;base64,([A-Za-z0-9\+\/\=]+)/ );

				if ( ! encoded || ! encoded[1] ) {
					$element.data( 'wp-ui-svg-' + color, 'none' );
					return;
				}

				try {
					xml = window.atob( encoded[1] );
				} catch ( error ) {}

				if ( xml ) {
					// Replace `fill` attributes.
					xml = xml.replace( /fill="(.+?)"/g, 'fill="' + color + '"');

					// Replace `style` attributes.
					xml = xml.replace( /style="(.+?)"/g, 'style="fill:' + color + '"');

					// Replace `fill` properties in `<style>` tags.
					xml = xml.replace( /fill:.*?;/g, 'fill: ' + color + ';');

					xml = window.btoa( xml );

					$element.data( 'wp-ui-svg-' + color, xml );
				} else {
					$element.data( 'wp-ui-svg-' + color, 'none' );
					return;
				}
			}

			$element.attr( 'style', 'background-image: url("data:image/svg+xml;base64,' + xml + '") !important;' );
		}
	};

})( jQuery, window, document );
PK       ! ;LW�l  l    dashboard.jsnu �[���        /**
 * @output wp-admin/js/dashboard.js
 */

/* global pagenow, ajaxurl, postboxes, wpActiveEditor:true, ajaxWidgets */
/* global ajaxPopulateWidgets, quickPressLoad,  */
window.wp = window.wp || {};
window.communityEventsData = window.communityEventsData || {};

/**
 * Initializes the dashboard widget functionality.
 *
 * @since 2.7.0
 */
jQuery( function($) {
	var welcomePanel = $( '#welcome-panel' ),
		welcomePanelHide = $('#wp_welcome_panel-hide'),
		updateWelcomePanel;

	/**
	 * Saves the visibility of the welcome panel.
	 *
	 * @since 3.3.0
	 *
	 * @param {boolean} visible Should it be visible or not.
	 *
	 * @return {void}
	 */
	updateWelcomePanel = function( visible ) {
		$.post(
			ajaxurl,
			{
				action: 'update-welcome-panel',
				visible: visible,
				welcomepanelnonce: $( '#welcomepanelnonce' ).val()
			},
			function() {
				wp.a11y.speak( wp.i18n.__( 'Screen Options updated.' ) );
			}
		);
	};

	// Unhide the welcome panel if the Welcome Option checkbox is checked.
	if ( welcomePanel.hasClass('hidden') && welcomePanelHide.prop('checked') ) {
		welcomePanel.removeClass('hidden');
	}

	// Hide the welcome panel when the dismiss button or close button is clicked.
	$('.welcome-panel-close, .welcome-panel-dismiss a', welcomePanel).on( 'click', function(e) {
		e.preventDefault();
		welcomePanel.addClass('hidden');
		updateWelcomePanel( 0 );
		$('#wp_welcome_panel-hide').prop('checked', false);
	});

	// Set welcome panel visibility based on Welcome Option checkbox value.
	welcomePanelHide.on( 'click', function() {
		welcomePanel.toggleClass('hidden', ! this.checked );
		updateWelcomePanel( this.checked ? 1 : 0 );
	});

	/**
	 * These widgets can be populated via ajax.
	 *
	 * @since 2.7.0
	 *
	 * @type {string[]}
	 *
	 * @global
 	 */
	window.ajaxWidgets = ['dashboard_primary'];

	/**
	 * Triggers widget updates via Ajax.
	 *
	 * @since 2.7.0
	 *
	 * @global
	 *
	 * @param {string} el Optional. Widget to fetch or none to update all.
	 *
	 * @return {void}
	 */
	window.ajaxPopulateWidgets = function(el) {
		/**
		 * Fetch the latest representation of the widget via Ajax and show it.
		 *
		 * @param {number} i Number of half-seconds to use as the timeout.
		 * @param {string} id ID of the element which is going to be checked for changes.
		 *
		 * @return {void}
		 */
		function show(i, id) {
			var p, e = $('#' + id + ' div.inside:visible').find('.widget-loading');
			// If the element is found in the dom, queue to load latest representation.
			if ( e.length ) {
				p = e.parent();
				setTimeout( function(){
					// Request the widget content.
					p.load( ajaxurl + '?action=dashboard-widgets&widget=' + id + '&pagenow=' + pagenow, '', function() {
						// Hide the parent and slide it out for visual fanciness.
						p.hide().slideDown('normal', function(){
							$(this).css('display', '');
						});
					});
				}, i * 500 );
			}
		}

		// If we have received a specific element to fetch, check if it is valid.
		if ( el ) {
			el = el.toString();
			// If the element is available as Ajax widget, show it.
			if ( $.inArray(el, ajaxWidgets) !== -1 ) {
				// Show element without any delay.
				show(0, el);
			}
		} else {
			// Walk through all ajaxWidgets, loading them after each other.
			$.each( ajaxWidgets, show );
		}
	};

	// Initially populate ajax widgets.
	ajaxPopulateWidgets();

	// Register ajax widgets as postbox toggles.
	postboxes.add_postbox_toggles(pagenow, { pbshow: ajaxPopulateWidgets } );

	/**
	 * Control the Quick Press (Quick Draft) widget.
	 *
	 * @since 2.7.0
	 *
	 * @global
	 *
	 * @return {void}
	 */
	window.quickPressLoad = function() {
		var act = $('#quickpost-action'), t;

		// Enable the submit buttons.
		$( '#quick-press .submit input[type="submit"], #quick-press .submit input[type="reset"]' ).prop( 'disabled' , false );

		t = $('#quick-press').on( 'submit', function( e ) {
			e.preventDefault();

			// Show a spinner.
			$('#dashboard_quick_press #publishing-action .spinner').show();

			// Disable the submit button to prevent duplicate submissions.
			$('#quick-press .submit input[type="submit"], #quick-press .submit input[type="reset"]').prop('disabled', true);

			// Post the entered data to save it.
			$.post( t.attr( 'action' ), t.serializeArray(), function( data ) {
				// Replace the form, and prepend the published post.
				$('#dashboard_quick_press .inside').html( data );
				$('#quick-press').removeClass('initial-form');
				quickPressLoad();
				highlightLatestPost();

				// Focus the title to allow for quickly drafting another post.
				$('#title').trigger( 'focus' );
			});

			/**
			 * Highlights the latest post for one second.
			 *
			 * @return {void}
 			 */
			function highlightLatestPost () {
				var latestPost = $('.drafts ul li').first();
				latestPost.css('background', '#fffbe5');
				setTimeout(function () {
					latestPost.css('background', 'none');
				}, 1000);
			}
		} );

		// Change the QuickPost action to the publish value.
		$('#publish').on( 'click', function() { act.val( 'post-quickpress-publish' ); } );

		$('#quick-press').on( 'click focusin', function() {
			wpActiveEditor = 'content';
		});

		autoResizeTextarea();
	};
	window.quickPressLoad();

	// Enable the dragging functionality of the widgets.
	$( '.meta-box-sortables' ).sortable( 'option', 'containment', '#wpwrap' );

	/**
	 * Adjust the height of the textarea based on the content.
	 *
	 * @since 3.6.0
	 *
	 * @return {void}
	 */
	function autoResizeTextarea() {
		// When IE8 or older is used to render this document, exit.
		if ( document.documentMode && document.documentMode < 9 ) {
			return;
		}

		// Add a hidden div. We'll copy over the text from the textarea to measure its height.
		$('body').append( '<div class="quick-draft-textarea-clone" style="display: none;"></div>' );

		var clone = $('.quick-draft-textarea-clone'),
			editor = $('#content'),
			editorHeight = editor.height(),
			/*
			 * 100px roughly accounts for browser chrome and allows the
			 * save draft button to show on-screen at the same time.
			 */
			editorMaxHeight = $(window).height() - 100;

		/*
		 * Match up textarea and clone div as much as possible.
		 * Padding cannot be reliably retrieved using shorthand in all browsers.
		 */
		clone.css({
			'font-family': editor.css('font-family'),
			'font-size':   editor.css('font-size'),
			'line-height': editor.css('line-height'),
			'padding-bottom': editor.css('paddingBottom'),
			'padding-left': editor.css('paddingLeft'),
			'padding-right': editor.css('paddingRight'),
			'padding-top': editor.css('paddingTop'),
			'white-space': 'pre-wrap',
			'word-wrap': 'break-word',
			'display': 'none'
		});

		// The 'propertychange' is used in IE < 9.
		editor.on('focus input propertychange', function() {
			var $this = $(this),
				// Add a non-breaking space to ensure that the height of a trailing newline is
				// included.
				textareaContent = $this.val() + '&nbsp;',
				// Add 2px to compensate for border-top & border-bottom.
				cloneHeight = clone.css('width', $this.css('width')).text(textareaContent).outerHeight() + 2;

			// Default to show a vertical scrollbar, if needed.
			editor.css('overflow-y', 'auto');

			// Only change the height if it has changed and both heights are below the max.
			if ( cloneHeight === editorHeight || ( cloneHeight >= editorMaxHeight && editorHeight >= editorMaxHeight ) ) {
				return;
			}

			/*
			 * Don't allow editor to exceed the height of the window.
			 * This is also bound in CSS to a max-height of 1300px to be extra safe.
			 */
			if ( cloneHeight > editorMaxHeight ) {
				editorHeight = editorMaxHeight;
			} else {
				editorHeight = cloneHeight;
			}

			// Disable scrollbars because we adjust the height to the content.
			editor.css('overflow', 'hidden');

			$this.css('height', editorHeight + 'px');
		});
	}

} );

jQuery( function( $ ) {
	'use strict';

	var communityEventsData = window.communityEventsData,
		dateI18n = wp.date.dateI18n,
		format = wp.date.format,
		sprintf = wp.i18n.sprintf,
		__ = wp.i18n.__,
		_x = wp.i18n._x,
		app;

	/**
	 * Global Community Events namespace.
	 *
	 * @since 4.8.0
	 *
	 * @memberOf wp
	 * @namespace wp.communityEvents
	 */
	app = window.wp.communityEvents = /** @lends wp.communityEvents */{
		initialized: false,
		model: null,

		/**
		 * Initializes the wp.communityEvents object.
		 *
		 * @since 4.8.0
		 *
		 * @return {void}
		 */
		init: function() {
			if ( app.initialized ) {
				return;
			}

			var $container = $( '#community-events' );

			/*
			 * When JavaScript is disabled, the errors container is shown, so
			 * that "This widget requires JavaScript" message can be seen.
			 *
			 * When JS is enabled, the container is hidden at first, and then
			 * revealed during the template rendering, if there actually are
			 * errors to show.
			 *
			 * The display indicator switches from `hide-if-js` to `aria-hidden`
			 * here in order to maintain consistency with all the other fields
			 * that key off of `aria-hidden` to determine their visibility.
			 * `aria-hidden` can't be used initially, because there would be no
			 * way to set it to false when JavaScript is disabled, which would
			 * prevent people from seeing the "This widget requires JavaScript"
			 * message.
			 */
			$( '.community-events-errors' )
				.attr( 'aria-hidden', 'true' )
				.removeClass( 'hide-if-js' );

			$container.on( 'click', '.community-events-toggle-location, .community-events-cancel', app.toggleLocationForm );

			/**
			 * Filters events based on entered location.
			 *
			 * @return {void}
			 */
			$container.on( 'submit', '.community-events-form', function( event ) {
				var location = $( '#community-events-location' ).val().trim();

				event.preventDefault();

				/*
				 * Don't trigger a search if the search field is empty or the
				 * search term was made of only spaces before being trimmed.
				 */
				if ( ! location ) {
					return;
				}

				app.getEvents({
					location: location
				});
			});

			if ( communityEventsData && communityEventsData.cache && communityEventsData.cache.location && communityEventsData.cache.events ) {
				app.renderEventsTemplate( communityEventsData.cache, 'app' );
			} else {
				app.getEvents();
			}

			app.initialized = true;
		},

		/**
		 * Toggles the visibility of the Edit Location form.
		 *
		 * @since 4.8.0
		 *
		 * @param {event|string} action 'show' or 'hide' to specify a state;
		 *                              or an event object to flip between states.
		 *
		 * @return {void}
		 */
		toggleLocationForm: function( action ) {
			var $toggleButton = $( '.community-events-toggle-location' ),
				$cancelButton = $( '.community-events-cancel' ),
				$form         = $( '.community-events-form' ),
				$target       = $();

			if ( 'object' === typeof action ) {
				// The action is the event object: get the clicked element.
				$target = $( action.target );
				/*
				 * Strict comparison doesn't work in this case because sometimes
				 * we explicitly pass a string as value of aria-expanded and
				 * sometimes a boolean as the result of an evaluation.
				 */
				action = 'true' == $toggleButton.attr( 'aria-expanded' ) ? 'hide' : 'show';
			}

			if ( 'hide' === action ) {
				$toggleButton.attr( 'aria-expanded', 'false' );
				$cancelButton.attr( 'aria-expanded', 'false' );
				$form.attr( 'aria-hidden', 'true' );
				/*
				 * If the Cancel button has been clicked, bring the focus back
				 * to the toggle button so users relying on screen readers don't
				 * lose their place.
				 */
				if ( $target.hasClass( 'community-events-cancel' ) ) {
					$toggleButton.trigger( 'focus' );
				}
			} else {
				$toggleButton.attr( 'aria-expanded', 'true' );
				$cancelButton.attr( 'aria-expanded', 'true' );
				$form.attr( 'aria-hidden', 'false' );
			}
		},

		/**
		 * Sends REST API requests to fetch events for the widget.
		 *
		 * @since 4.8.0
		 *
		 * @param {Object} requestParams REST API Request parameters object.
		 *
		 * @return {void}
		 */
		getEvents: function( requestParams ) {
			var initiatedBy,
				app = this,
				$spinner = $( '.community-events-form' ).children( '.spinner' );

			requestParams          = requestParams || {};
			requestParams._wpnonce = communityEventsData.nonce;
			requestParams.timezone = window.Intl ? window.Intl.DateTimeFormat().resolvedOptions().timeZone : '';

			initiatedBy = requestParams.location ? 'user' : 'app';

			$spinner.addClass( 'is-active' );

			wp.ajax.post( 'get-community-events', requestParams )
				.always( function() {
					$spinner.removeClass( 'is-active' );
				})

				.done( function( response ) {
					if ( 'no_location_available' === response.error ) {
						if ( requestParams.location ) {
							response.unknownCity = requestParams.location;
						} else {
							/*
							 * No location was passed, which means that this was an automatic query
							 * based on IP, locale, and timezone. Since the user didn't initiate it,
							 * it should fail silently. Otherwise, the error could confuse and/or
							 * annoy them.
							 */
							delete response.error;
						}
					}
					app.renderEventsTemplate( response, initiatedBy );
				})

				.fail( function() {
					app.renderEventsTemplate({
						'location' : false,
						'events'   : [],
						'error'    : true
					}, initiatedBy );
				});
		},

		/**
		 * Renders the template for the Events section of the Events & News widget.
		 *
		 * @since 4.8.0
		 *
		 * @param {Object} templateParams The various parameters that will get passed to wp.template.
		 * @param {string} initiatedBy    'user' to indicate that this was triggered manually by the user;
		 *                                'app' to indicate it was triggered automatically by the app itself.
		 *
		 * @return {void}
		 */
		renderEventsTemplate: function( templateParams, initiatedBy ) {
			var template,
				elementVisibility,
				$toggleButton    = $( '.community-events-toggle-location' ),
				$locationMessage = $( '#community-events-location-message' ),
				$results         = $( '.community-events-results' );

			templateParams.events = app.populateDynamicEventFields(
				templateParams.events,
				communityEventsData.time_format
			);

			/*
			 * Hide all toggleable elements by default, to keep the logic simple.
			 * Otherwise, each block below would have to turn hide everything that
			 * could have been shown at an earlier point.
			 *
			 * The exception to that is that the .community-events container is hidden
			 * when the page is first loaded, because the content isn't ready yet,
			 * but once we've reached this point, it should always be shown.
			 */
			elementVisibility = {
				'.community-events'                  : true,
				'.community-events-loading'          : false,
				'.community-events-errors'           : false,
				'.community-events-error-occurred'   : false,
				'.community-events-could-not-locate' : false,
				'#community-events-location-message' : false,
				'.community-events-toggle-location'  : false,
				'.community-events-results'          : false
			};

			/*
			 * Determine which templates should be rendered and which elements
			 * should be displayed.
			 */
			if ( templateParams.location.ip ) {
				/*
				 * If the API determined the location by geolocating an IP, it will
				 * provide events, but not a specific location.
				 */
				$locationMessage.text( __( 'Attend an upcoming event near you.' ) );

				if ( templateParams.events.length ) {
					template = wp.template( 'community-events-event-list' );
					$results.html( template( templateParams ) );
				} else {
					template = wp.template( 'community-events-no-upcoming-events' );
					$results.html( template( templateParams ) );
				}

				elementVisibility['#community-events-location-message'] = true;
				elementVisibility['.community-events-toggle-location']  = true;
				elementVisibility['.community-events-results']          = true;

			} else if ( templateParams.location.description ) {
				template = wp.template( 'community-events-attend-event-near' );
				$locationMessage.html( template( templateParams ) );

				if ( templateParams.events.length ) {
					template = wp.template( 'community-events-event-list' );
					$results.html( template( templateParams ) );
				} else {
					template = wp.template( 'community-events-no-upcoming-events' );
					$results.html( template( templateParams ) );
				}

				if ( 'user' === initiatedBy ) {
					wp.a11y.speak(
						sprintf(
							/* translators: %s: The name of a city. */
							__( 'City updated. Listing events near %s.' ),
							templateParams.location.description
						),
						'assertive'
					);
				}

				elementVisibility['#community-events-location-message'] = true;
				elementVisibility['.community-events-toggle-location']  = true;
				elementVisibility['.community-events-results']          = true;

			} else if ( templateParams.unknownCity ) {
				template = wp.template( 'community-events-could-not-locate' );
				$( '.community-events-could-not-locate' ).html( template( templateParams ) );
				wp.a11y.speak(
					sprintf(
						/*
						 * These specific examples were chosen to highlight the fact that a
						 * state is not needed, even for cities whose name is not unique.
						 * It would be too cumbersome to include that in the instructions
						 * to the user, so it's left as an implication.
						 */
						/*
						 * translators: %s is the name of the city we couldn't locate.
						 * Replace the examples with cities related to your locale. Test that
						 * they match the expected location and have upcoming events before
						 * including them. If no cities related to your locale have events,
						 * then use cities related to your locale that would be recognizable
						 * to most users. Use only the city name itself, without any region
						 * or country. Use the endonym (native locale name) instead of the
						 * English name if possible.
						 */
						__( 'We couldn’t locate %s. Please try another nearby city. For example: Kansas City; Springfield; Portland.' ),
						templateParams.unknownCity
					)
				);

				elementVisibility['.community-events-errors']           = true;
				elementVisibility['.community-events-could-not-locate'] = true;

			} else if ( templateParams.error && 'user' === initiatedBy ) {
				/*
				 * Errors messages are only shown for requests that were initiated
				 * by the user, not for ones that were initiated by the app itself.
				 * Showing error messages for an event that user isn't aware of
				 * could be confusing or unnecessarily distracting.
				 */
				wp.a11y.speak( __( 'An error occurred. Please try again.' ) );

				elementVisibility['.community-events-errors']         = true;
				elementVisibility['.community-events-error-occurred'] = true;
			} else {
				$locationMessage.text( __( 'Enter your closest city to find nearby events.' ) );

				elementVisibility['#community-events-location-message'] = true;
				elementVisibility['.community-events-toggle-location']  = true;
			}

			// Set the visibility of toggleable elements.
			_.each( elementVisibility, function( isVisible, element ) {
				$( element ).attr( 'aria-hidden', ! isVisible );
			});

			$toggleButton.attr( 'aria-expanded', elementVisibility['.community-events-toggle-location'] );

			if ( templateParams.location && ( templateParams.location.ip || templateParams.location.latitude ) ) {
				// Hide the form when there's a valid location.
				app.toggleLocationForm( 'hide' );

				if ( 'user' === initiatedBy ) {
					/*
					 * When the form is programmatically hidden after a user search,
					 * bring the focus back to the toggle button so users relying
					 * on screen readers don't lose their place.
					 */
					$toggleButton.trigger( 'focus' );
				}
			} else {
				app.toggleLocationForm( 'show' );
			}
		},

		/**
		 * Populate event fields that have to be calculated on the fly.
		 *
		 * These can't be stored in the database, because they're dependent on
		 * the user's current time zone, locale, etc.
		 *
		 * @since 5.5.2
		 *
		 * @param {Array}  rawEvents  The events that should have dynamic fields added to them.
		 * @param {string} timeFormat A time format acceptable by `wp.date.dateI18n()`.
		 *
		 * @returns {Array}
		 */
		populateDynamicEventFields: function( rawEvents, timeFormat ) {
			// Clone the parameter to avoid mutating it, so that this can remain a pure function.
			var populatedEvents = JSON.parse( JSON.stringify( rawEvents ) );

			$.each( populatedEvents, function( index, event ) {
				var timeZone = app.getTimeZone( event.start_unix_timestamp * 1000 );

				event.user_formatted_date = app.getFormattedDate(
					event.start_unix_timestamp * 1000,
					event.end_unix_timestamp * 1000,
					timeZone
				);

				event.user_formatted_time = dateI18n(
					timeFormat,
					event.start_unix_timestamp * 1000,
					timeZone
				);

				event.timeZoneAbbreviation = app.getTimeZoneAbbreviation( event.start_unix_timestamp * 1000 );
			} );

			return populatedEvents;
		},

		/**
		 * Returns the user's local/browser time zone, in a form suitable for `wp.date.i18n()`.
		 *
		 * @since 5.5.2
		 *
		 * @param startTimestamp
		 *
		 * @returns {string|number}
		 */
		getTimeZone: function( startTimestamp ) {
			/*
			 * Prefer a name like `Europe/Helsinki`, since that automatically tracks daylight savings. This
			 * doesn't need to take `startTimestamp` into account for that reason.
			 */
			var timeZone = Intl.DateTimeFormat().resolvedOptions().timeZone;

			/*
			 * Fall back to an offset for IE11, which declares the property but doesn't assign a value.
			 */
			if ( 'undefined' === typeof timeZone ) {
				/*
				 * It's important to use the _event_ time, not the _current_
				 * time, so that daylight savings time is accounted for.
				 */
				timeZone = app.getFlippedTimeZoneOffset( startTimestamp );
			}

			return timeZone;
		},

		/**
		 * Get intuitive time zone offset.
		 *
		 * `Data.prototype.getTimezoneOffset()` returns a positive value for time zones
		 * that are _behind_ UTC, and a _negative_ value for ones that are ahead.
		 *
		 * See https://stackoverflow.com/questions/21102435/why-does-javascript-date-gettimezoneoffset-consider-0500-as-a-positive-off.
		 *
		 * @since 5.5.2
		 *
		 * @param {number} startTimestamp
		 *
		 * @returns {number}
		 */
		getFlippedTimeZoneOffset: function( startTimestamp ) {
			return new Date( startTimestamp ).getTimezoneOffset() * -1;
		},

		/**
		 * Get a short time zone name, like `PST`.
		 *
		 * @since 5.5.2
		 *
		 * @param {number} startTimestamp
		 *
		 * @returns {string}
		 */
		getTimeZoneAbbreviation: function( startTimestamp ) {
			var timeZoneAbbreviation,
				eventDateTime = new Date( startTimestamp );

			/*
			 * Leaving the `locales` argument undefined is important, so that the browser
			 * displays the abbreviation that's most appropriate for the current locale. For
			 * some that will be `UTC{+|-}{n}`, and for others it will be a code like `PST`.
			 *
			 * This doesn't need to take `startTimestamp` into account, because a name like
			 * `America/Chicago` automatically tracks daylight savings.
			 */
			var shortTimeStringParts = eventDateTime.toLocaleTimeString( undefined, { timeZoneName : 'short' } ).split( ' ' );

			if ( 3 === shortTimeStringParts.length ) {
				timeZoneAbbreviation = shortTimeStringParts[2];
			}

			if ( 'undefined' === typeof timeZoneAbbreviation ) {
				/*
				 * It's important to use the _event_ time, not the _current_
				 * time, so that daylight savings time is accounted for.
				 */
				var timeZoneOffset = app.getFlippedTimeZoneOffset( startTimestamp ),
					sign = -1 === Math.sign( timeZoneOffset ) ? '' : '+';

				// translators: Used as part of a string like `GMT+5` in the Events Widget.
				timeZoneAbbreviation = _x( 'GMT', 'Events widget offset prefix' ) + sign + ( timeZoneOffset / 60 );
			}

			return timeZoneAbbreviation;
		},

		/**
		 * Format a start/end date in the user's local time zone and locale.
		 *
		 * @since 5.5.2
		 *
		 * @param {int}    startDate   The Unix timestamp in milliseconds when the the event starts.
		 * @param {int}    endDate     The Unix timestamp in milliseconds when the the event ends.
		 * @param {string} timeZone    A time zone string or offset which is parsable by `wp.date.i18n()`.
		 *
		 * @returns {string}
		 */
		getFormattedDate: function( startDate, endDate, timeZone ) {
			var formattedDate;

			/*
			 * The `date_format` option is not used because it's important
			 * in this context to keep the day of the week in the displayed date,
			 * so that users can tell at a glance if the event is on a day they
			 * are available, without having to open the link.
			 *
			 * The case of crossing a year boundary is intentionally not handled.
			 * It's so rare in practice that it's not worth the complexity
			 * tradeoff. The _ending_ year should be passed to
			 * `multiple_month_event`, though, just in case.
			 */
			/* translators: Date format for upcoming events on the dashboard. Include the day of the week. See https://www.php.net/manual/datetime.format.php */
			var singleDayEvent = __( 'l, M j, Y' ),
				/* translators: Date string for upcoming events. 1: Month, 2: Starting day, 3: Ending day, 4: Year. */
				multipleDayEvent = __( '%1$s %2$d–%3$d, %4$d' ),
				/* translators: Date string for upcoming events. 1: Starting month, 2: Starting day, 3: Ending month, 4: Ending day, 5: Ending year. */
				multipleMonthEvent = __( '%1$s %2$d – %3$s %4$d, %5$d' );

			// Detect single-day events.
			if ( ! endDate || format( 'Y-m-d', startDate ) === format( 'Y-m-d', endDate ) ) {
				formattedDate = dateI18n( singleDayEvent, startDate, timeZone );

			// Multiple day events.
			} else if ( format( 'Y-m', startDate ) === format( 'Y-m', endDate ) ) {
				formattedDate = sprintf(
					multipleDayEvent,
					dateI18n( _x( 'F', 'upcoming events month format' ), startDate, timeZone ),
					dateI18n( _x( 'j', 'upcoming events day format' ), startDate, timeZone ),
					dateI18n( _x( 'j', 'upcoming events day format' ), endDate, timeZone ),
					dateI18n( _x( 'Y', 'upcoming events year format' ), endDate, timeZone )
				);

			// Multi-day events that cross a month boundary.
			} else {
				formattedDate = sprintf(
					multipleMonthEvent,
					dateI18n( _x( 'F', 'upcoming events month format' ), startDate, timeZone ),
					dateI18n( _x( 'j', 'upcoming events day format' ), startDate, timeZone ),
					dateI18n( _x( 'F', 'upcoming events month format' ), endDate, timeZone ),
					dateI18n( _x( 'j', 'upcoming events day format' ), endDate, timeZone ),
					dateI18n( _x( 'Y', 'upcoming events year format' ), endDate, timeZone )
				);
			}

			return formattedDate;
		}
	};

	if ( $( '#dashboard_primary' ).is( ':visible' ) ) {
		app.init();
	} else {
		$( document ).on( 'postbox-toggled', function( event, postbox ) {
			var $postbox = $( postbox );

			if ( 'dashboard_primary' === $postbox.attr( 'id' ) && $postbox.is( ':visible' ) ) {
				app.init();
			}
		});
	}
});

/**
 * Removed in 5.6.0, needed for back-compatibility.
 *
 * @since 4.8.0
 * @deprecated 5.6.0
 *
 * @type {object}
*/
window.communityEventsData.l10n = window.communityEventsData.l10n || {
	enter_closest_city: '',
	error_occurred_please_try_again: '',
	attend_event_near_generic: '',
	could_not_locate_city: '',
	city_updated: ''
};

window.communityEventsData.l10n = window.wp.deprecateL10nObject( 'communityEventsData.l10n', window.communityEventsData.l10n, '5.6.0' );
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.inside").html(e),s("#quick-press").removeClass("initial-form"),quickPressLoad(),(t=s(".drafts ul li").first()).css("background","#fffbe5"),setTimeout(function(){t.css("background","none")},1e3),s("#title").trigger("focus")})}),s("#publish").on("click",function(){e.val("post-quickpress-publish")}),s("#quick-press").on("click focusin",function(){wpActiveEditor="content"}),document.documentMode&&document.documentMode<9||(s("body").append('<div class="quick-draft-textarea-clone" style="display: none;"></div>'),n=s(".quick-draft-textarea-clone"),o=s("#content"),i=o.height(),a=s(window).height()-100,n.css({"font-family":o.css("font-family"),"font-size":o.css("font-size"),"line-height":o.css("line-height"),"padding-bottom":o.css("paddingBottom"),"padding-left":o.css("paddingLeft"),"padding-right":o.css("paddingRight"),"padding-top":o.css("paddingTop"),"white-space":"pre-wrap","word-wrap":"break-word",display:"none"}),o.on("focus input propertychange",function(){var e=s(this),t=e.val()+"&nbsp;",t=n.css("width",e.css("width")).text(t).outerHeight()+2;o.css("overflow-y","auto"),t===i||a<=t&&a<=i||(i=a<t?a:t,o.css("overflow","hidden"),e.css("height",i+"px"))}))},window.quickPressLoad(),s(".meta-box-sortables").sortable("option","containment","#wpwrap")}),jQuery(function(c){"use strict";var r=window.communityEventsData,s=wp.date.dateI18n,m=wp.date.format,d=wp.i18n.sprintf,u=wp.i18n.__,l=wp.i18n._x,p=window.wp.communityEvents={initialized:!1,model:null,init:function(){var e;p.initialized||(e=c("#community-events"),c(".community-events-errors").attr("aria-hidden","true").removeClass("hide-if-js"),e.on("click",".community-events-toggle-location, .community-events-cancel",p.toggleLocationForm),e.on("submit",".community-events-form",function(e){var t=c("#community-events-location").val().trim();e.preventDefault(),t&&p.getEvents({location:t})}),r&&r.cache&&r.cache.location&&r.cache.events?p.renderEventsTemplate(r.cache,"app"):p.getEvents(),p.initialized=!0)},toggleLocationForm:function(e){var t=c(".community-events-toggle-location"),n=c(".community-events-cancel"),o=c(".community-events-form"),i=c();"object"==typeof e&&(i=c(e.target),e="true"==t.attr("aria-expanded")?"hide":"show"),"hide"===e?(t.attr("aria-expanded","false"),n.attr("aria-expanded","false"),o.attr("aria-hidden","true"),i.hasClass("community-events-cancel")&&t.trigger("focus")):(t.attr("aria-expanded","true"),n.attr("aria-expanded","true"),o.attr("aria-hidden","false"))},getEvents:function(t){var n,o=this,e=c(".community-events-form").children(".spinner");(t=t||{})._wpnonce=r.nonce,t.timezone=window.Intl?window.Intl.DateTimeFormat().resolvedOptions().timeZone:"",n=t.location?"user":"app",e.addClass("is-active"),wp.ajax.post("get-community-events",t).always(function(){e.removeClass("is-active")}).done(function(e){"no_location_available"===e.error&&(t.location?e.unknownCity=t.location:delete e.error),o.renderEventsTemplate(e,n)}).fail(function(){o.renderEventsTemplate({location:!1,events:[],error:!0},n)})},renderEventsTemplate:function(e,t){var n,o,i=c(".community-events-toggle-location"),a=c("#community-events-location-message"),s=c(".community-events-results");e.events=p.populateDynamicEventFields(e.events,r.time_format),o={".community-events":!0,".community-events-loading":!1,".community-events-errors":!1,".community-events-error-occurred":!1,".community-events-could-not-locate":!1,"#community-events-location-message":!1,".community-events-toggle-location":!1,".community-events-results":!1},e.location.ip?(a.text(u("Attend an upcoming event near you.")),n=e.events.length?wp.template("community-events-event-list"):wp.template("community-events-no-upcoming-events"),s.html(n(e)),o["#community-events-location-message"]=!0,o[".community-events-toggle-location"]=!0,o[".community-events-results"]=!0):e.location.description?(n=wp.template("community-events-attend-event-near"),a.html(n(e)),n=e.events.length?wp.template("community-events-event-list"):wp.template("community-events-no-upcoming-events"),s.html(n(e)),"user"===t&&wp.a11y.speak(d(u("City updated. Listing events near %s."),e.location.description),"assertive"),o["#community-events-location-message"]=!0,o[".community-events-toggle-location"]=!0,o[".community-events-results"]=!0):e.unknownCity?(n=wp.template("community-events-could-not-locate"),c(".community-events-could-not-locate").html(n(e)),wp.a11y.speak(d(u("We couldn\u2019t locate %s. Please try another nearby city. For example: Kansas City; Springfield; Portland."),e.unknownCity)),o[".community-events-errors"]=!0,o[".community-events-could-not-locate"]=!0):e.error&&"user"===t?(wp.a11y.speak(u("An error occurred. Please try again.")),o[".community-events-errors"]=!0,o[".community-events-error-occurred"]=!0):(a.text(u("Enter your closest city to find nearby events.")),o["#community-events-location-message"]=!0,o[".community-events-toggle-location"]=!0),_.each(o,function(e,t){c(t).attr("aria-hidden",!e)}),i.attr("aria-expanded",o[".community-events-toggle-location"]),e.location&&(e.location.ip||e.location.latitude)?(p.toggleLocationForm("hide"),"user"===t&&i.trigger("focus")):p.toggleLocationForm("show")},populateDynamicEventFields:function(e,o){e=JSON.parse(JSON.stringify(e));return c.each(e,function(e,t){var n=p.getTimeZone(1e3*t.start_unix_timestamp);t.user_formatted_date=p.getFormattedDate(1e3*t.start_unix_timestamp,1e3*t.end_unix_timestamp,n),t.user_formatted_time=s(o,1e3*t.start_unix_timestamp,n),t.timeZoneAbbreviation=p.getTimeZoneAbbreviation(1e3*t.start_unix_timestamp)}),e},getTimeZone:function(e){var t=Intl.DateTimeFormat().resolvedOptions().timeZone;return t=void 0===t?p.getFlippedTimeZoneOffset(e):t},getFlippedTimeZoneOffset:function(e){return-1*new Date(e).getTimezoneOffset()},getTimeZoneAbbreviation:function(e){var t,n=new Date(e).toLocaleTimeString(void 0,{timeZoneName:"short"}).split(" ");return void 0===(t=3===n.length?n[2]:t)&&(n=p.getFlippedTimeZoneOffset(e),e=-1===Math.sign(n)?"":"+",t=l("GMT","Events widget offset prefix")+e+n/60),t},getFormattedDate:function(e,t,n){var o=u("l, M j, Y"),i=u("%1$s %2$d\u2013%3$d, %4$d"),a=u("%1$s %2$d \u2013 %3$s %4$d, %5$d"),i=t&&m("Y-m-d",e)!==m("Y-m-d",t)?m("Y-m",e)===m("Y-m",t)?d(i,s(l("F","upcoming events month format"),e,n),s(l("j","upcoming events day format"),e,n),s(l("j","upcoming events day format"),t,n),s(l("Y","upcoming events year format"),t,n)):d(a,s(l("F","upcoming events month format"),e,n),s(l("j","upcoming events day format"),e,n),s(l("F","upcoming events month format"),t,n),s(l("j","upcoming events day format"),t,n),s(l("Y","upcoming events year format"),t,n)):s(o,e,n);return i}};c("#dashboard_primary").is(":visible")?p.init():c(document).on("postbox-toggled",function(e,t){t=c(t);"dashboard_primary"===t.attr("id")&&t.is(":visible")&&p.init()})}),window.communityEventsData.l10n=window.communityEventsData.l10n||{enter_closest_city:"",error_occurred_please_try_again:"",attend_event_near_generic:"",could_not_locate_city:"",city_updated:""},window.communityEventsData.l10n=window.wp.deprecateL10nObject("communityEventsData.l10n",window.communityEventsData.l10n,"5.6.0");PK       ! l;��O  O    password-toggle.min.jsnu �[���        /*! This file is auto-generated */
!function(){var t,e,s,i,a=wp.i18n.__;function d(){t=this.getAttribute("data-toggle"),e=this.parentElement.children.namedItem("pwd"),s=this.getElementsByClassName("dashicons")[0],i=this.getElementsByClassName("text")[0],0===parseInt(t,10)?(this.setAttribute("data-toggle",1),this.setAttribute("aria-label",a("Hide password")),e.setAttribute("type","text"),i.innerHTML=a("Hide"),s.classList.remove("dashicons-visibility"),s.classList.add("dashicons-hidden")):(this.setAttribute("data-toggle",0),this.setAttribute("aria-label",a("Show password")),e.setAttribute("type","password"),i.innerHTML=a("Show"),s.classList.remove("dashicons-hidden"),s.classList.add("dashicons-visibility"))}document.querySelectorAll(".pwd-toggle").forEach(function(t){t.classList.remove("hide-if-no-js"),t.addEventListener("click",d)})}();PK       ! [��  �    farbtastic.jsnu �[���        /*!
 * Farbtastic: jQuery color picker plug-in v1.3u
 * https://github.com/mattfarina/farbtastic
 *
 * Licensed under the GPL license:
 *   http://www.gnu.org/licenses/gpl.html
 */
/**
 * Modified for WordPress: replaced deprecated jQuery methods.
 * See https://core.trac.wordpress.org/ticket/57946.
 */

(function($) {

$.fn.farbtastic = function (options) {
  $.farbtastic(this, options);
  return this;
};

$.farbtastic = function (container, callback) {
  var container = $(container).get(0);
  return container.farbtastic || (container.farbtastic = new $._farbtastic(container, callback));
};

$._farbtastic = function (container, callback) {
  // Store farbtastic object
  var fb = this;

  // Insert markup
  $(container).html('<div class="farbtastic"><div class="color"></div><div class="wheel"></div><div class="overlay"></div><div class="h-marker marker"></div><div class="sl-marker marker"></div></div>');
  var e = $('.farbtastic', container);
  fb.wheel = $('.wheel', container).get(0);
  // Dimensions
  fb.radius = 84;
  fb.square = 100;
  fb.width = 194;

  // Fix background PNGs in IE6
  if (navigator.appVersion.match(/MSIE [0-6]\./)) {
    $('*', e).each(function () {
      if (this.currentStyle.backgroundImage != 'none') {
        var image = this.currentStyle.backgroundImage;
        image = this.currentStyle.backgroundImage.substring(5, image.length - 2);
        $(this).css({
          'backgroundImage': 'none',
          'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='" + image + "')"
        });
      }
    });
  }

  /**
   * Link to the given element(s) or callback.
   */
  fb.linkTo = function (callback) {
    // Unbind previous nodes
    if (typeof fb.callback == 'object') {
      $(fb.callback).off('keyup', fb.updateValue);
    }

    // Reset color
    fb.color = null;

    // Bind callback or elements
    if (typeof callback == 'function') {
      fb.callback = callback;
    }
    else if (typeof callback == 'object' || typeof callback == 'string') {
      fb.callback = $(callback);
      fb.callback.on('keyup', fb.updateValue);
      if (fb.callback.get(0).value) {
        fb.setColor(fb.callback.get(0).value);
      }
    }
    return this;
  };
  fb.updateValue = function (event) {
    if (this.value && this.value != fb.color) {
      fb.setColor(this.value);
    }
  };

  /**
   * Change color with HTML syntax #123456
   */
  fb.setColor = function (color) {
    var unpack = fb.unpack(color);
    if (fb.color != color && unpack) {
      fb.color = color;
      fb.rgb = unpack;
      fb.hsl = fb.RGBToHSL(fb.rgb);
      fb.updateDisplay();
    }
    return this;
  };

  /**
   * Change color with HSL triplet [0..1, 0..1, 0..1]
   */
  fb.setHSL = function (hsl) {
    fb.hsl = hsl;
    fb.rgb = fb.HSLToRGB(hsl);
    fb.color = fb.pack(fb.rgb);
    fb.updateDisplay();
    return this;
  };

  /////////////////////////////////////////////////////

  /**
   * Retrieve the coordinates of the given event relative to the center
   * of the widget.
   */
  fb.widgetCoords = function (event) {
    var offset = $(fb.wheel).offset();
    return { x: (event.pageX - offset.left) - fb.width / 2, y: (event.pageY - offset.top) - fb.width / 2 };
  };

  /**
   * Mousedown handler
   */
  fb.mousedown = function (event) {
    // Capture mouse
    if (!document.dragging) {
      $(document).on('mousemove', fb.mousemove).on('mouseup', fb.mouseup);
      document.dragging = true;
    }

    // Check which area is being dragged
    var pos = fb.widgetCoords(event);
    fb.circleDrag = Math.max(Math.abs(pos.x), Math.abs(pos.y)) * 2 > fb.square;

    // Process
    fb.mousemove(event);
    return false;
  };

  /**
   * Mousemove handler
   */
  fb.mousemove = function (event) {
    // Get coordinates relative to color picker center
    var pos = fb.widgetCoords(event);

    // Set new HSL parameters
    if (fb.circleDrag) {
      var hue = Math.atan2(pos.x, -pos.y) / 6.28;
      if (hue < 0) hue += 1;
      fb.setHSL([hue, fb.hsl[1], fb.hsl[2]]);
    }
    else {
      var sat = Math.max(0, Math.min(1, -(pos.x / fb.square) + .5));
      var lum = Math.max(0, Math.min(1, -(pos.y / fb.square) + .5));
      fb.setHSL([fb.hsl[0], sat, lum]);
    }
    return false;
  };

  /**
   * Mouseup handler
   */
  fb.mouseup = function () {
    // Uncapture mouse
    $(document).off('mousemove', fb.mousemove);
    $(document).off('mouseup', fb.mouseup);
    document.dragging = false;
  };

  /**
   * Update the markers and styles
   */
  fb.updateDisplay = function () {
    // Markers
    var angle = fb.hsl[0] * 6.28;
    $('.h-marker', e).css({
      left: Math.round(Math.sin(angle) * fb.radius + fb.width / 2) + 'px',
      top: Math.round(-Math.cos(angle) * fb.radius + fb.width / 2) + 'px'
    });

    $('.sl-marker', e).css({
      left: Math.round(fb.square * (.5 - fb.hsl[1]) + fb.width / 2) + 'px',
      top: Math.round(fb.square * (.5 - fb.hsl[2]) + fb.width / 2) + 'px'
    });

    // Saturation/Luminance gradient
    $('.color', e).css('backgroundColor', fb.pack(fb.HSLToRGB([fb.hsl[0], 1, 0.5])));

    // Linked elements or callback
    if (typeof fb.callback == 'object') {
      // Set background/foreground color
      $(fb.callback).css({
        backgroundColor: fb.color,
        color: fb.hsl[2] > 0.5 ? '#000' : '#fff'
      });

      // Change linked value
      $(fb.callback).each(function() {
        if (this.value && this.value != fb.color) {
          this.value = fb.color;
        }
      });
    }
    else if (typeof fb.callback == 'function') {
      fb.callback.call(fb, fb.color);
    }
  };

  /* Various color utility functions */
  fb.pack = function (rgb) {
    var r = Math.round(rgb[0] * 255);
    var g = Math.round(rgb[1] * 255);
    var b = Math.round(rgb[2] * 255);
    return '#' + (r < 16 ? '0' : '') + r.toString(16) +
           (g < 16 ? '0' : '') + g.toString(16) +
           (b < 16 ? '0' : '') + b.toString(16);
  };

  fb.unpack = function (color) {
    if (color.length == 7) {
      return [parseInt('0x' + color.substring(1, 3)) / 255,
        parseInt('0x' + color.substring(3, 5)) / 255,
        parseInt('0x' + color.substring(5, 7)) / 255];
    }
    else if (color.length == 4) {
      return [parseInt('0x' + color.substring(1, 2)) / 15,
        parseInt('0x' + color.substring(2, 3)) / 15,
        parseInt('0x' + color.substring(3, 4)) / 15];
    }
  };

  fb.HSLToRGB = function (hsl) {
    var m1, m2, r, g, b;
    var h = hsl[0], s = hsl[1], l = hsl[2];
    m2 = (l <= 0.5) ? l * (s + 1) : l + s - l*s;
    m1 = l * 2 - m2;
    return [this.hueToRGB(m1, m2, h+0.33333),
        this.hueToRGB(m1, m2, h),
        this.hueToRGB(m1, m2, h-0.33333)];
  };

  fb.hueToRGB = function (m1, m2, h) {
    h = (h < 0) ? h + 1 : ((h > 1) ? h - 1 : h);
    if (h * 6 < 1) return m1 + (m2 - m1) * h * 6;
    if (h * 2 < 1) return m2;
    if (h * 3 < 2) return m1 + (m2 - m1) * (0.66666 - h) * 6;
    return m1;
  };

  fb.RGBToHSL = function (rgb) {
    var min, max, delta, h, s, l;
    var r = rgb[0], g = rgb[1], b = rgb[2];
    min = Math.min(r, Math.min(g, b));
    max = Math.max(r, Math.max(g, b));
    delta = max - min;
    l = (min + max) / 2;
    s = 0;
    if (l > 0 && l < 1) {
      s = delta / (l < 0.5 ? (2 * l) : (2 - 2 * l));
    }
    h = 0;
    if (delta > 0) {
      if (max == r && max != g) h += (g - b) / delta;
      if (max == g && max != b) h += (2 + (b - r) / delta);
      if (max == b && max != r) h += (4 + (r - g) / delta);
      h /= 6;
    }
    return [h, s, l];
  };

  // Install mousedown handler (the others are set on the document on-demand)
  $('*', e).on('mousedown', fb.mousedown);

    // Init color
  fb.setColor('#000000');

  // Set linked elements/callback
  if (callback) {
    fb.linkTo(callback);
  }
};

})(jQuery);PK       ! �
#u��  ��    edit-comments.jsnu �[���        /**
 * Handles updating and editing comments.
 *
 * @file This file contains functionality for the admin comments page.
 * @since 2.1.0
 * @output wp-admin/js/edit-comments.js
 */

/* global adminCommentsSettings, thousandsSeparator, list_args, QTags, ajaxurl, wpAjax */
/* global commentReply, theExtraList, theList, setCommentsList */

(function($) {
var getCount, updateCount, updateCountText, updatePending, updateApproved,
	updateHtmlTitle, updateDashboardText, updateInModerationText, adminTitle = document.title,
	isDashboard = $('#dashboard_right_now').length,
	titleDiv, titleRegEx,
	__ = wp.i18n.__, _x = wp.i18n._x;

	/**
	 * Extracts a number from the content of a jQuery element.
	 *
	 * @since 2.9.0
	 * @access private
	 *
	 * @param {jQuery} el jQuery element.
	 *
	 * @return {number} The number found in the given element.
	 */
	getCount = function(el) {
		var n = parseInt( el.html().replace(/[^0-9]+/g, ''), 10 );
		if ( isNaN(n) ) {
			return 0;
		}
		return n;
	};

	/**
	 * Updates an html element with a localized number string.
	 *
	 * @since 2.9.0
	 * @access private
	 *
	 * @param {jQuery} el The jQuery element to update.
	 * @param {number} n Number to be put in the element.
	 *
	 * @return {void}
	 */
	updateCount = function(el, n) {
		var n1 = '';
		if ( isNaN(n) ) {
			return;
		}
		n = n < 1 ? '0' : n.toString();
		if ( n.length > 3 ) {
			while ( n.length > 3 ) {
				n1 = thousandsSeparator + n.substr(n.length - 3) + n1;
				n = n.substr(0, n.length - 3);
			}
			n = n + n1;
		}
		el.html(n);
	};

	/**
	 * Updates the number of approved comments on a specific post and the filter bar.
	 *
	 * @since 4.4.0
	 * @access private
	 *
	 * @param {number} diff The amount to lower or raise the approved count with.
	 * @param {number} commentPostId The ID of the post to be updated.
	 *
	 * @return {void}
	 */
	updateApproved = function( diff, commentPostId ) {
		var postSelector = '.post-com-count-' + commentPostId,
			noClass = 'comment-count-no-comments',
			approvedClass = 'comment-count-approved',
			approved,
			noComments;

		updateCountText( 'span.approved-count', diff );

		if ( ! commentPostId ) {
			return;
		}

		// Cache selectors to not get duplicates.
		approved = $( 'span.' + approvedClass, postSelector );
		noComments = $( 'span.' + noClass, postSelector );

		approved.each(function() {
			var a = $(this), n = getCount(a) + diff;
			if ( n < 1 )
				n = 0;

			if ( 0 === n ) {
				a.removeClass( approvedClass ).addClass( noClass );
			} else {
				a.addClass( approvedClass ).removeClass( noClass );
			}
			updateCount( a, n );
		});

		noComments.each(function() {
			var a = $(this);
			if ( diff > 0 ) {
				a.removeClass( noClass ).addClass( approvedClass );
			} else {
				a.addClass( noClass ).removeClass( approvedClass );
			}
			updateCount( a, diff );
		});
	};

	/**
	 * Updates a number count in all matched HTML elements
	 *
	 * @since 4.4.0
	 * @access private
	 *
	 * @param {string} selector The jQuery selector for elements to update a count
	 *                          for.
	 * @param {number} diff The amount to lower or raise the count with.
	 *
	 * @return {void}
	 */
	updateCountText = function( selector, diff ) {
		$( selector ).each(function() {
			var a = $(this), n = getCount(a) + diff;
			if ( n < 1 ) {
				n = 0;
			}
			updateCount( a, n );
		});
	};

	/**
	 * Updates a text about comment count on the dashboard.
	 *
	 * @since 4.4.0
	 * @access private
	 *
	 * @param {Object} response Ajax response from the server that includes a
	 *                          translated "comment count" message.
	 *
	 * @return {void}
	 */
	updateDashboardText = function( response ) {
		if ( ! isDashboard || ! response || ! response.i18n_comments_text ) {
			return;
		}

		$( '.comment-count a', '#dashboard_right_now' ).text( response.i18n_comments_text );
	};

	/**
	 * Updates the "comments in moderation" text across the UI.
	 *
	 * @since 5.2.0
	 *
	 * @param {Object} response Ajax response from the server that includes a
	 *                          translated "comments in moderation" message.
	 *
	 * @return {void}
	 */
	updateInModerationText = function( response ) {
		if ( ! response || ! response.i18n_moderation_text ) {
			return;
		}

		// Update the "comment in moderation" text across the UI.
		$( '.comments-in-moderation-text' ).text( response.i18n_moderation_text );
		// Hide the "comment in moderation" text in the Dashboard "At a Glance" widget.
		if ( isDashboard && response.in_moderation ) {
			$( '.comment-mod-count', '#dashboard_right_now' )
				[ response.in_moderation > 0 ? 'removeClass' : 'addClass' ]( 'hidden' );
		}
	};

	/**
	 * Updates the title of the document with the number comments to be approved.
	 *
	 * @since 4.4.0
	 * @access private
	 *
	 * @param {number} diff The amount to lower or raise the number of to be
	 *                      approved comments with.
	 *
	 * @return {void}
	 */
	updateHtmlTitle = function( diff ) {
		var newTitle, regExMatch, titleCount, commentFrag;

		/* translators: %s: Comments count. */
		titleRegEx = titleRegEx || new RegExp( __( 'Comments (%s)' ).replace( '%s', '\\([0-9' + thousandsSeparator + ']+\\)' ) + '?' );
		// Count funcs operate on a $'d element.
		titleDiv = titleDiv || $( '<div />' );
		newTitle = adminTitle;

		commentFrag = titleRegEx.exec( document.title );
		if ( commentFrag ) {
			commentFrag = commentFrag[0];
			titleDiv.html( commentFrag );
			titleCount = getCount( titleDiv ) + diff;
		} else {
			titleDiv.html( 0 );
			titleCount = diff;
		}

		if ( titleCount >= 1 ) {
			updateCount( titleDiv, titleCount );
			regExMatch = titleRegEx.exec( document.title );
			if ( regExMatch ) {
				/* translators: %s: Comments count. */
				newTitle = document.title.replace( regExMatch[0], __( 'Comments (%s)' ).replace( '%s', titleDiv.text() ) + ' ' );
			}
		} else {
			regExMatch = titleRegEx.exec( newTitle );
			if ( regExMatch ) {
				newTitle = newTitle.replace( regExMatch[0], __( 'Comments' ) );
			}
		}
		document.title = newTitle;
	};

	/**
	 * Updates the number of pending comments on a specific post and the filter bar.
	 *
	 * @since 3.2.0
	 * @access private
	 *
	 * @param {number} diff The amount to lower or raise the pending count with.
	 * @param {number} commentPostId The ID of the post to be updated.
	 *
	 * @return {void}
	 */
	updatePending = function( diff, commentPostId ) {
		var postSelector = '.post-com-count-' + commentPostId,
			noClass = 'comment-count-no-pending',
			noParentClass = 'post-com-count-no-pending',
			pendingClass = 'comment-count-pending',
			pending,
			noPending;

		if ( ! isDashboard ) {
			updateHtmlTitle( diff );
		}

		$( 'span.pending-count' ).each(function() {
			var a = $(this), n = getCount(a) + diff;
			if ( n < 1 )
				n = 0;
			a.closest('.awaiting-mod')[ 0 === n ? 'addClass' : 'removeClass' ]('count-0');
			updateCount( a, n );
		});

		if ( ! commentPostId ) {
			return;
		}

		// Cache selectors to not get dupes.
		pending = $( 'span.' + pendingClass, postSelector );
		noPending = $( 'span.' + noClass, postSelector );

		pending.each(function() {
			var a = $(this), n = getCount(a) + diff;
			if ( n < 1 )
				n = 0;

			if ( 0 === n ) {
				a.parent().addClass( noParentClass );
				a.removeClass( pendingClass ).addClass( noClass );
			} else {
				a.parent().removeClass( noParentClass );
				a.addClass( pendingClass ).removeClass( noClass );
			}
			updateCount( a, n );
		});

		noPending.each(function() {
			var a = $(this);
			if ( diff > 0 ) {
				a.parent().removeClass( noParentClass );
				a.removeClass( noClass ).addClass( pendingClass );
			} else {
				a.parent().addClass( noParentClass );
				a.addClass( noClass ).removeClass( pendingClass );
			}
			updateCount( a, diff );
		});
	};

/**
 * Initializes the comments list.
 *
 * @since 4.4.0
 *
 * @global
 *
 * @return {void}
 */
window.setCommentsList = function() {
	var totalInput, perPageInput, pageInput, dimAfter, delBefore, updateTotalCount, delAfter, refillTheExtraList, diff,
		lastConfidentTime = 0;

	totalInput = $('input[name="_total"]', '#comments-form');
	perPageInput = $('input[name="_per_page"]', '#comments-form');
	pageInput = $('input[name="_page"]', '#comments-form');

	/**
	 * Updates the total with the latest count.
	 *
	 * The time parameter makes sure that we only update the total if this value is
	 * a newer value than we previously received.
	 *
	 * The time and setConfidentTime parameters make sure that we only update the
	 * total when necessary. So a value that has been generated earlier will not
	 * update the total.
	 *
	 * @since 2.8.0
	 * @access private
	 *
	 * @param {number} total Total number of comments.
	 * @param {number} time Unix timestamp of response.
 	 * @param {boolean} setConfidentTime Whether to update the last confident time
	 *                                   with the given time.
	 *
	 * @return {void}
	 */
	updateTotalCount = function( total, time, setConfidentTime ) {
		if ( time < lastConfidentTime )
			return;

		if ( setConfidentTime )
			lastConfidentTime = time;

		totalInput.val( total.toString() );
	};

	/**
	 * Changes DOM that need to be changed after a list item has been dimmed.
	 *
	 * @since 2.5.0
	 * @access private
	 *
	 * @param {Object} r Ajax response object.
	 * @param {Object} settings Settings for the wpList object.
	 *
	 * @return {void}
	 */
	dimAfter = function( r, settings ) {
		var editRow, replyID, replyButton, response,
			c = $( '#' + settings.element );

		if ( true !== settings.parsed ) {
			response = settings.parsed.responses[0];
		}

		editRow = $('#replyrow');
		replyID = $('#comment_ID', editRow).val();
		replyButton = $('#replybtn', editRow);

		if ( c.is('.unapproved') ) {
			if ( settings.data.id == replyID )
				replyButton.text( __( 'Approve and Reply' ) );

			c.find( '.row-actions span.view' ).addClass( 'hidden' ).end()
				.find( 'div.comment_status' ).html( '0' );

		} else {
			if ( settings.data.id == replyID )
				/* translators: Comment reply button text. */
				replyButton.text( _x( 'Reply', 'verb' ) );

			c.find( '.row-actions span.view' ).removeClass( 'hidden' ).end()
				.find( 'div.comment_status' ).html( '1' );
		}

		diff = $('#' + settings.element).is('.' + settings.dimClass) ? 1 : -1;
		if ( response ) {
			updateDashboardText( response.supplemental );
			updateInModerationText( response.supplemental );
			updatePending( diff, response.supplemental.postId );
			updateApproved( -1 * diff, response.supplemental.postId );
		} else {
			updatePending( diff );
			updateApproved( -1 * diff  );
		}
	};

	/**
	 * Handles marking a comment as spam or trashing the comment.
	 *
	 * Is executed in the list delBefore hook.
	 *
	 * @since 2.8.0
	 * @access private
	 *
	 * @param {Object} settings Settings for the wpList object.
	 * @param {HTMLElement} list Comments table element.
	 *
	 * @return {Object} The settings object.
	 */
	delBefore = function( settings, list ) {
		var note, id, el, n, h, a, author,
			action = false,
			wpListsData = $( settings.target ).attr( 'data-wp-lists' );

		settings.data._total = totalInput.val() || 0;
		settings.data._per_page = perPageInput.val() || 0;
		settings.data._page = pageInput.val() || 0;
		settings.data._url = document.location.href;
		settings.data.comment_status = $('input[name="comment_status"]', '#comments-form').val();

		if ( wpListsData.indexOf(':trash=1') != -1 )
			action = 'trash';
		else if ( wpListsData.indexOf(':spam=1') != -1 )
			action = 'spam';

		if ( action ) {
			id = wpListsData.replace(/.*?comment-([0-9]+).*/, '$1');
			el = $('#comment-' + id);
			note = $('#' + action + '-undo-holder').html();

			el.find('.check-column :checkbox').prop('checked', false); // Uncheck the row so as not to be affected by Bulk Edits.

			if ( el.siblings('#replyrow').length && commentReply.cid == id )
				commentReply.close();

			if ( el.is('tr') ) {
				n = el.children(':visible').length;
				author = $('.author strong', el).text();
				h = $('<tr id="undo-' + id + '" class="undo un' + action + '" style="display:none;"><td colspan="' + n + '">' + note + '</td></tr>');
			} else {
				author = $('.comment-author', el).text();
				h = $('<div id="undo-' + id + '" style="display:none;" class="undo un' + action + '">' + note + '</div>');
			}

			el.before(h);

			$('strong', '#undo-' + id).text(author);
			a = $('.undo a', '#undo-' + id);
			a.attr('href', 'comment.php?action=un' + action + 'comment&c=' + id + '&_wpnonce=' + settings.data._ajax_nonce);
			a.attr('data-wp-lists', 'delete:the-comment-list:comment-' + id + '::un' + action + '=1');
			a.attr('class', 'vim-z vim-destructive aria-button-if-js');
			$('.avatar', el).first().clone().prependTo('#undo-' + id + ' .' + action + '-undo-inside');

			a.on( 'click', function( e ){
				e.preventDefault();
				e.stopPropagation(); // Ticket #35904.
				list.wpList.del(this);
				$('#undo-' + id).css( {backgroundColor:'#ceb'} ).fadeOut(350, function(){
					$(this).remove();
					$('#comment-' + id).css('backgroundColor', '').fadeIn(300, function(){ $(this).show(); });
				});
			});
		}

		return settings;
	};

	/**
	 * Handles actions that need to be done after marking as spam or thrashing a
	 * comment.
	 *
	 * The ajax requests return the unix time stamp a comment was marked as spam or
	 * trashed. We use this to have a correct total amount of comments.
	 *
	 * @since 2.5.0
	 * @access private
	 *
	 * @param {Object} r Ajax response object.
	 * @param {Object} settings Settings for the wpList object.
	 *
	 * @return {void}
	 */
	delAfter = function( r, settings ) {
		var total_items_i18n, total, animated, animatedCallback,
			response = true === settings.parsed ? {} : settings.parsed.responses[0],
			commentStatus = true === settings.parsed ? '' : response.supplemental.status,
			commentPostId = true === settings.parsed ? '' : response.supplemental.postId,
			newTotal = true === settings.parsed ? '' : response.supplemental,

			targetParent = $( settings.target ).parent(),
			commentRow = $('#' + settings.element),

			spamDiff, trashDiff, pendingDiff, approvedDiff,

			/*
			 * As `wpList` toggles only the `unapproved` class, the approved comment
			 * rows can have both the `approved` and `unapproved` classes.
			 */
			approved = commentRow.hasClass( 'approved' ) && ! commentRow.hasClass( 'unapproved' ),
			unapproved = commentRow.hasClass( 'unapproved' ),
			spammed = commentRow.hasClass( 'spam' ),
			trashed = commentRow.hasClass( 'trash' ),
			undoing = false; // Ticket #35904.

		updateDashboardText( newTotal );
		updateInModerationText( newTotal );

		/*
		 * The order of these checks is important.
		 * .unspam can also have .approve or .unapprove.
		 * .untrash can also have .approve or .unapprove.
		 */

		if ( targetParent.is( 'span.undo' ) ) {
			// The comment was spammed.
			if ( targetParent.hasClass( 'unspam' ) ) {
				spamDiff = -1;

				if ( 'trash' === commentStatus ) {
					trashDiff = 1;
				} else if ( '1' === commentStatus ) {
					approvedDiff = 1;
				} else if ( '0' === commentStatus ) {
					pendingDiff = 1;
				}

			// The comment was trashed.
			} else if ( targetParent.hasClass( 'untrash' ) ) {
				trashDiff = -1;

				if ( 'spam' === commentStatus ) {
					spamDiff = 1;
				} else if ( '1' === commentStatus ) {
					approvedDiff = 1;
				} else if ( '0' === commentStatus ) {
					pendingDiff = 1;
				}
			}

			undoing = true;

		// User clicked "Spam".
		} else if ( targetParent.is( 'span.spam' ) ) {
			// The comment is currently approved.
			if ( approved ) {
				approvedDiff = -1;
			// The comment is currently pending.
			} else if ( unapproved ) {
				pendingDiff = -1;
			// The comment was in the Trash.
			} else if ( trashed ) {
				trashDiff = -1;
			}
			// You can't spam an item on the Spam screen.
			spamDiff = 1;

		// User clicked "Unspam".
		} else if ( targetParent.is( 'span.unspam' ) ) {
			if ( approved ) {
				pendingDiff = 1;
			} else if ( unapproved ) {
				approvedDiff = 1;
			} else if ( trashed ) {
				// The comment was previously approved.
				if ( targetParent.hasClass( 'approve' ) ) {
					approvedDiff = 1;
				// The comment was previously pending.
				} else if ( targetParent.hasClass( 'unapprove' ) ) {
					pendingDiff = 1;
				}
			} else if ( spammed ) {
				if ( targetParent.hasClass( 'approve' ) ) {
					approvedDiff = 1;

				} else if ( targetParent.hasClass( 'unapprove' ) ) {
					pendingDiff = 1;
				}
			}
			// You can unspam an item on the Spam screen.
			spamDiff = -1;

		// User clicked "Trash".
		} else if ( targetParent.is( 'span.trash' ) ) {
			if ( approved ) {
				approvedDiff = -1;
			} else if ( unapproved ) {
				pendingDiff = -1;
			// The comment was in the spam queue.
			} else if ( spammed ) {
				spamDiff = -1;
			}
			// You can't trash an item on the Trash screen.
			trashDiff = 1;

		// User clicked "Restore".
		} else if ( targetParent.is( 'span.untrash' ) ) {
			if ( approved ) {
				pendingDiff = 1;
			} else if ( unapproved ) {
				approvedDiff = 1;
			} else if ( trashed ) {
				if ( targetParent.hasClass( 'approve' ) ) {
					approvedDiff = 1;
				} else if ( targetParent.hasClass( 'unapprove' ) ) {
					pendingDiff = 1;
				}
			}
			// You can't go from Trash to Spam.
			// You can untrash on the Trash screen.
			trashDiff = -1;

		// User clicked "Approve".
		} else if ( targetParent.is( 'span.approve:not(.unspam):not(.untrash)' ) ) {
			approvedDiff = 1;
			pendingDiff = -1;

		// User clicked "Unapprove".
		} else if ( targetParent.is( 'span.unapprove:not(.unspam):not(.untrash)' ) ) {
			approvedDiff = -1;
			pendingDiff = 1;

		// User clicked "Delete Permanently".
		} else if ( targetParent.is( 'span.delete' ) ) {
			if ( spammed ) {
				spamDiff = -1;
			} else if ( trashed ) {
				trashDiff = -1;
			}
		}

		if ( pendingDiff ) {
			updatePending( pendingDiff, commentPostId );
			updateCountText( 'span.all-count', pendingDiff );
		}

		if ( approvedDiff ) {
			updateApproved( approvedDiff, commentPostId );
			updateCountText( 'span.all-count', approvedDiff );
		}

		if ( spamDiff ) {
			updateCountText( 'span.spam-count', spamDiff );
		}

		if ( trashDiff ) {
			updateCountText( 'span.trash-count', trashDiff );
		}

		if (
			( ( 'trash' === settings.data.comment_status ) && !getCount( $( 'span.trash-count' ) ) ) ||
			( ( 'spam' === settings.data.comment_status ) && !getCount( $( 'span.spam-count' ) ) )
		) {
			$( '#delete_all' ).hide();
		}

		if ( ! isDashboard ) {
			total = totalInput.val() ? parseInt( totalInput.val(), 10 ) : 0;
			if ( $(settings.target).parent().is('span.undo') )
				total++;
			else
				total--;

			if ( total < 0 )
				total = 0;

			if ( 'object' === typeof r ) {
				if ( response.supplemental.total_items_i18n && lastConfidentTime < response.supplemental.time ) {
					total_items_i18n = response.supplemental.total_items_i18n || '';
					if ( total_items_i18n ) {
						$('.displaying-num').text( total_items_i18n.replace( '&nbsp;', String.fromCharCode( 160 ) ) );
						$('.total-pages').text( response.supplemental.total_pages_i18n.replace( '&nbsp;', String.fromCharCode( 160 ) ) );
						$('.tablenav-pages').find('.next-page, .last-page').toggleClass('disabled', response.supplemental.total_pages == $('.current-page').val());
					}
					updateTotalCount( total, response.supplemental.time, true );
				} else if ( response.supplemental.time ) {
					updateTotalCount( total, response.supplemental.time, false );
				}
			} else {
				updateTotalCount( total, r, false );
			}
		}

		if ( ! theExtraList || theExtraList.length === 0 || theExtraList.children().length === 0 || undoing ) {
			return;
		}

		theList.get(0).wpList.add( theExtraList.children( ':eq(0):not(.no-items)' ).remove().clone() );

		refillTheExtraList();

		animated = $( ':animated', '#the-comment-list' );
		animatedCallback = function() {
			if ( ! $( '#the-comment-list tr:visible' ).length ) {
				theList.get(0).wpList.add( theExtraList.find( '.no-items' ).clone() );
			}
		};

		if ( animated.length ) {
			animated.promise().done( animatedCallback );
		} else {
			animatedCallback();
		}
	};

	/**
	 * Retrieves additional comments to populate the extra list.
	 *
	 * @since 3.1.0
	 * @access private
	 *
	 * @param {boolean} [ev] Repopulate the extra comments list if true.
	 *
	 * @return {void}
	 */
	refillTheExtraList = function(ev) {
		var args = $.query.get(), total_pages = $('.total-pages').text(), per_page = $('input[name="_per_page"]', '#comments-form').val();

		if (! args.paged)
			args.paged = 1;

		if (args.paged > total_pages) {
			return;
		}

		if (ev) {
			theExtraList.empty();
			args.number = Math.min(8, per_page); // See WP_Comments_List_Table::prepare_items() in class-wp-comments-list-table.php.
		} else {
			args.number = 1;
			args.offset = Math.min(8, per_page) - 1; // Fetch only the next item on the extra list.
		}

		args.no_placeholder = true;

		args.paged ++;

		// $.query.get() needs some correction to be sent into an Ajax request.
		if ( true === args.comment_type )
			args.comment_type = '';

		args = $.extend(args, {
			'action': 'fetch-list',
			'list_args': list_args,
			'_ajax_fetch_list_nonce': $('#_ajax_fetch_list_nonce').val()
		});

		$.ajax({
			url: ajaxurl,
			global: false,
			dataType: 'json',
			data: args,
			success: function(response) {
				theExtraList.get(0).wpList.add( response.rows );
			}
		});
	};

	/**
	 * Globally available jQuery object referring to the extra comments list.
	 *
	 * @global
	 */
	window.theExtraList = $('#the-extra-comment-list').wpList( { alt: '', delColor: 'none', addColor: 'none' } );

	/**
	 * Globally available jQuery object referring to the comments list.
	 *
	 * @global
	 */
	window.theList = $('#the-comment-list').wpList( { alt: '', delBefore: delBefore, dimAfter: dimAfter, delAfter: delAfter, addColor: 'none' } )
		.on('wpListDelEnd', function(e, s){
			var wpListsData = $(s.target).attr('data-wp-lists'), id = s.element.replace(/[^0-9]+/g, '');

			if ( wpListsData.indexOf(':trash=1') != -1 || wpListsData.indexOf(':spam=1') != -1 )
				$('#undo-' + id).fadeIn(300, function(){ $(this).show(); });
		});
};

/**
 * Object containing functionality regarding the comment quick editor and reply
 * editor.
 *
 * @since 2.7.0
 *
 * @global
 */
window.commentReply = {
	cid : '',
	act : '',
	originalContent : '',

	/**
	 * Initializes the comment reply functionality.
	 *
	 * @since 2.7.0
	 *
	 * @memberof commentReply
	 */
	init : function() {
		var row = $('#replyrow');

		$( '.cancel', row ).on( 'click', function() { return commentReply.revert(); } );
		$( '.save', row ).on( 'click', function() { return commentReply.send(); } );
		$( 'input#author-name, input#author-email, input#author-url', row ).on( 'keypress', function( e ) {
			if ( e.which == 13 ) {
				commentReply.send();
				e.preventDefault();
				return false;
			}
		});

		// Add events.
		$('#the-comment-list .column-comment > p').on( 'dblclick', function(){
			commentReply.toggle($(this).parent());
		});

		$('#doaction, #post-query-submit').on( 'click', function(){
			if ( $('#the-comment-list #replyrow').length > 0 )
				commentReply.close();
		});

		this.comments_listing = $('#comments-form > input[name="comment_status"]').val() || '';
	},

	/**
	 * Adds doubleclick event handler to the given comment list row.
	 *
	 * The double-click event will toggle the comment edit or reply form.
	 *
	 * @since 2.7.0
	 *
	 * @memberof commentReply
	 *
	 * @param {Object} r The row to add double click handlers to.
	 *
	 * @return {void}
	 */
	addEvents : function(r) {
		r.each(function() {
			$(this).find('.column-comment > p').on( 'dblclick', function(){
				commentReply.toggle($(this).parent());
			});
		});
	},

	/**
	 * Opens the quick edit for the given element.
	 *
	 * @since 2.7.0
	 *
	 * @memberof commentReply
	 *
	 * @param {HTMLElement} el The element you want to open the quick editor for.
	 *
	 * @return {void}
	 */
	toggle : function(el) {
		if ( 'none' !== $( el ).css( 'display' ) && ( $( '#replyrow' ).parent().is('#com-reply') || window.confirm( __( 'Are you sure you want to edit this comment?\nThe changes you made will be lost.' ) ) ) ) {
			$( el ).find( 'button.vim-q' ).trigger( 'click' );
		}
	},

	/**
	 * Closes the comment quick edit or reply form and undoes any changes.
	 *
	 * @since 2.7.0
	 *
	 * @memberof commentReply
	 *
	 * @return {void}
	 */
	revert : function() {

		if ( $('#the-comment-list #replyrow').length < 1 )
			return false;

		$('#replyrow').fadeOut('fast', function(){
			commentReply.close();
		});
	},

	/**
	 * Closes the comment quick edit or reply form and undoes any changes.
	 *
	 * @since 2.7.0
	 *
	 * @memberof commentReply
	 *
	 * @return {void}
	 */
	close : function() {
		var commentRow = $(),
			replyRow = $( '#replyrow' );

		// Return if the replyrow is not showing.
		if ( replyRow.parent().is( '#com-reply' ) ) {
			return;
		}

		if ( this.cid ) {
			commentRow = $( '#comment-' + this.cid );
		}

		/*
		 * When closing the Quick Edit form, show the comment row and move focus
		 * back to the Quick Edit button.
		 */
		if ( 'edit-comment' === this.act ) {
			commentRow.fadeIn( 300, function() {
				commentRow
					.show()
					.find( '.vim-q' )
						.attr( 'aria-expanded', 'false' )
						.trigger( 'focus' );
			} ).css( 'backgroundColor', '' );
		}

		// When closing the Reply form, move focus back to the Reply button.
		if ( 'replyto-comment' === this.act ) {
			commentRow.find( '.vim-r' )
				.attr( 'aria-expanded', 'false' )
				.trigger( 'focus' );
		}

		// Reset the Quicktags buttons.
 		if ( typeof QTags != 'undefined' )
			QTags.closeAllTags('replycontent');

		$('#add-new-comment').css('display', '');

		replyRow.hide();
		$( '#com-reply' ).append( replyRow );
		$('#replycontent').css('height', '').val('');
		$('#edithead input').val('');
		$( '.notice-error', replyRow )
			.addClass( 'hidden' )
			.find( '.error' ).empty();
		$( '.spinner', replyRow ).removeClass( 'is-active' );

		this.cid = '';
		this.originalContent = '';
	},

	/**
	 * Opens the comment quick edit or reply form.
	 *
	 * @since 2.7.0
	 *
	 * @memberof commentReply
	 *
	 * @param {number} comment_id The comment ID to open an editor for.
	 * @param {number} post_id The post ID to open an editor for.
	 * @param {string} action The action to perform. Either 'edit' or 'replyto'.
	 *
	 * @return {boolean} Always false.
	 */
	open : function(comment_id, post_id, action) {
		var editRow, rowData, act, replyButton, editHeight,
			t = this,
			c = $('#comment-' + comment_id),
			h = c.height(),
			colspanVal = 0;

		if ( ! this.discardCommentChanges() ) {
			return false;
		}

		t.close();
		t.cid = comment_id;

		editRow = $('#replyrow');
		rowData = $('#inline-'+comment_id);
		action = action || 'replyto';
		act = 'edit' == action ? 'edit' : 'replyto';
		act = t.act = act + '-comment';
		t.originalContent = $('textarea.comment', rowData).val();
		colspanVal = $( '> th:visible, > td:visible', c ).length;

		// Make sure it's actually a table and there's a `colspan` value to apply.
		if ( editRow.hasClass( 'inline-edit-row' ) && 0 !== colspanVal ) {
			$( 'td', editRow ).attr( 'colspan', colspanVal );
		}

		$('#action', editRow).val(act);
		$('#comment_post_ID', editRow).val(post_id);
		$('#comment_ID', editRow).val(comment_id);

		if ( action == 'edit' ) {
			$( '#author-name', editRow ).val( $( 'div.author', rowData ).text() );
			$('#author-email', editRow).val( $('div.author-email', rowData).text() );
			$('#author-url', editRow).val( $('div.author-url', rowData).text() );
			$('#status', editRow).val( $('div.comment_status', rowData).text() );
			$('#replycontent', editRow).val( $('textarea.comment', rowData).val() );
			$( '#edithead, #editlegend, #savebtn', editRow ).show();
			$('#replyhead, #replybtn, #addhead, #addbtn', editRow).hide();

			if ( h > 120 ) {
				// Limit the maximum height when editing very long comments to make it more manageable.
				// The textarea is resizable in most browsers, so the user can adjust it if needed.
				editHeight = h > 500 ? 500 : h;
				$('#replycontent', editRow).css('height', editHeight + 'px');
			}

			c.after( editRow ).fadeOut('fast', function(){
				$('#replyrow').fadeIn(300, function(){ $(this).show(); });
			});
		} else if ( action == 'add' ) {
			$('#addhead, #addbtn', editRow).show();
			$( '#replyhead, #replybtn, #edithead, #editlegend, #savebtn', editRow ) .hide();
			$('#the-comment-list').prepend(editRow);
			$('#replyrow').fadeIn(300);
		} else {
			replyButton = $('#replybtn', editRow);
			$( '#edithead, #editlegend, #savebtn, #addhead, #addbtn', editRow ).hide();
			$('#replyhead, #replybtn', editRow).show();
			c.after(editRow);

			if ( c.hasClass('unapproved') ) {
				replyButton.text( __( 'Approve and Reply' ) );
			} else {
				/* translators: Comment reply button text. */
				replyButton.text( _x( 'Reply', 'verb' ) );
			}

			$('#replyrow').fadeIn(300, function(){ $(this).show(); });
		}

		setTimeout(function() {
			var rtop, rbottom, scrollTop, vp, scrollBottom,
				isComposing = false,
				isContextMenuOpen = false;

			rtop = $('#replyrow').offset().top;
			rbottom = rtop + $('#replyrow').height();
			scrollTop = window.pageYOffset || document.documentElement.scrollTop;
			vp = document.documentElement.clientHeight || window.innerHeight || 0;
			scrollBottom = scrollTop + vp;

			if ( scrollBottom - 20 < rbottom )
				window.scroll(0, rbottom - vp + 35);
			else if ( rtop - 20 < scrollTop )
				window.scroll(0, rtop - 35);

			$( '#replycontent' )
				.trigger( 'focus' )
				.on( 'contextmenu keydown', function ( e ) {
					// Check if the context menu is open and set state.
					if ( e.type === 'contextmenu' ) {
						isContextMenuOpen = true;
					}

					// Update the context menu state if the Escape key is pressed.
					if ( e.type === 'keydown' && e.which === 27 && isContextMenuOpen ) {
						isContextMenuOpen = false;
					}
				} )
				.on( 'keyup', function( e ) {
					// Close on Escape unless Input Method Editors (IMEs) are in use or the context menu is open.
					if ( e.which === 27 && ! isComposing && ! isContextMenuOpen ) {
						commentReply.revert();
					}
				} )
				.on( 'compositionstart', function() {
					isComposing = true;
				} );
		}, 600);

		return false;
	},

	/**
	 * Submits the comment quick edit or reply form.
	 *
	 * @since 2.7.0
	 *
	 * @memberof commentReply
	 *
	 * @return {void}
	 */
	send : function() {
		var post = {},
			$errorNotice = $( '#replysubmit .error-notice' );

		$errorNotice.addClass( 'hidden' );
		$( '#replysubmit .spinner' ).addClass( 'is-active' );

		$('#replyrow input').not(':button').each(function() {
			var t = $(this);
			post[ t.attr('name') ] = t.val();
		});

		post.content = $('#replycontent').val();
		post.id = post.comment_post_ID;
		post.comments_listing = this.comments_listing;
		post.p = $('[name="p"]').val();

		if ( $('#comment-' + $('#comment_ID').val()).hasClass('unapproved') )
			post.approve_parent = 1;

		$.ajax({
			type : 'POST',
			url : ajaxurl,
			data : post,
			success : function(x) { commentReply.show(x); },
			error : function(r) { commentReply.error(r); }
		});
	},

	/**
	 * Shows the new or updated comment or reply.
	 *
	 * This function needs to be passed the ajax result as received from the server.
	 * It will handle the response and show the comment that has just been saved to
	 * the server.
	 *
	 * @since 2.7.0
	 *
	 * @memberof commentReply
	 *
	 * @param {Object} xml Ajax response object.
	 *
	 * @return {void}
	 */
	show : function(xml) {
		var t = this, r, c, id, bg, pid;

		if ( typeof(xml) == 'string' ) {
			t.error({'responseText': xml});
			return false;
		}

		r = wpAjax.parseAjaxResponse(xml);
		if ( r.errors ) {
			t.error({'responseText': wpAjax.broken});
			return false;
		}

		t.revert();

		r = r.responses[0];
		id = '#comment-' + r.id;

		if ( 'edit-comment' == t.act )
			$(id).remove();

		if ( r.supplemental.parent_approved ) {
			pid = $('#comment-' + r.supplemental.parent_approved);
			updatePending( -1, r.supplemental.parent_post_id );

			if ( this.comments_listing == 'moderated' ) {
				pid.animate( { 'backgroundColor':'#CCEEBB' }, 400, function(){
					pid.fadeOut();
				});
				return;
			}
		}

		if ( r.supplemental.i18n_comments_text ) {
			updateDashboardText( r.supplemental );
			updateInModerationText( r.supplemental );
			updateApproved( 1, r.supplemental.parent_post_id );
			updateCountText( 'span.all-count', 1 );
		}

		r.data = r.data || '';
		c = r.data.toString().trim(); // Trim leading whitespaces.
		$(c).hide();
		$('#replyrow').after(c);

		id = $(id);
		t.addEvents(id);
		bg = id.hasClass('unapproved') ? '#FFFFE0' : id.closest('.widefat, .postbox').css('backgroundColor');

		id.animate( { 'backgroundColor':'#CCEEBB' }, 300 )
			.animate( { 'backgroundColor': bg }, 300, function() {
				if ( pid && pid.length ) {
					pid.animate( { 'backgroundColor':'#CCEEBB' }, 300 )
						.animate( { 'backgroundColor': bg }, 300 )
						.removeClass('unapproved').addClass('approved')
						.find('div.comment_status').html('1');
				}
			});

	},

	/**
	 * Shows an error for the failed comment update or reply.
	 *
	 * @since 2.7.0
	 *
	 * @memberof commentReply
	 *
	 * @param {string} r The Ajax response.
	 *
	 * @return {void}
	 */
	error : function(r) {
		var er = r.statusText,
			$errorNotice = $( '#replysubmit .notice-error' ),
			$error = $errorNotice.find( '.error' );

		$( '#replysubmit .spinner' ).removeClass( 'is-active' );

		if ( r.responseText )
			er = r.responseText.replace( /<.[^<>]*?>/g, '' );

		if ( er ) {
			$errorNotice.removeClass( 'hidden' );
			$error.html( er );
			wp.a11y.speak( er );
		}
	},

	/**
	 * Opens the add comments form in the comments metabox on the post edit page.
	 *
	 * @since 3.4.0
	 *
	 * @memberof commentReply
	 *
	 * @param {number} post_id The post ID.
	 *
	 * @return {void}
	 */
	addcomment: function(post_id) {
		var t = this;

		$('#add-new-comment').fadeOut(200, function(){
			t.open(0, post_id, 'add');
			$('table.comments-box').css('display', '');
			$('#no-comments').remove();
		});
	},

	/**
	 * Alert the user if they have unsaved changes on a comment that will be lost if
	 * they proceed with the intended action.
	 *
	 * @since 4.6.0
	 *
	 * @memberof commentReply
	 *
	 * @return {boolean} Whether it is safe the continue with the intended action.
	 */
	discardCommentChanges: function() {
		var editRow = $( '#replyrow' );

		if  ( '' === $( '#replycontent', editRow ).val() || this.originalContent === $( '#replycontent', editRow ).val() ) {
			return true;
		}

		return window.confirm( __( 'Are you sure you want to do this?\nThe comment changes you made will be lost.' ) );
	}
};

$( function(){
	var make_hotkeys_redirect, edit_comment, toggle_all, make_bulk;

	setCommentsList();
	commentReply.init();

	$(document).on( 'click', 'span.delete a.delete', function( e ) {
		e.preventDefault();
	});

	if ( typeof $.table_hotkeys != 'undefined' ) {
		/**
		 * Creates a function that navigates to a previous or next page.
		 *
		 * @since 2.7.0
		 * @access private
		 *
		 * @param {string} which What page to navigate to: either next or prev.
		 *
		 * @return {Function} The function that executes the navigation.
		 */
		make_hotkeys_redirect = function(which) {
			return function() {
				var first_last, l;

				first_last = 'next' == which? 'first' : 'last';
				l = $('.tablenav-pages .'+which+'-page:not(.disabled)');
				if (l.length)
					window.location = l[0].href.replace(/\&hotkeys_highlight_(first|last)=1/g, '')+'&hotkeys_highlight_'+first_last+'=1';
			};
		};

		/**
		 * Navigates to the edit page for the selected comment.
		 *
		 * @since 2.7.0
		 * @access private
		 *
		 * @param {Object} event       The event that triggered this action.
		 * @param {Object} current_row A jQuery object of the selected row.
		 *
		 * @return {void}
		 */
		edit_comment = function(event, current_row) {
			window.location = $('span.edit a', current_row).attr('href');
		};

		/**
		 * Toggles all comments on the screen, for bulk actions.
		 *
		 * @since 2.7.0
		 * @access private
		 *
		 * @return {void}
		 */
		toggle_all = function() {
			$('#cb-select-all-1').data( 'wp-toggle', 1 ).trigger( 'click' ).removeData( 'wp-toggle' );
		};

		/**
		 * Creates a bulk action function that is executed on all selected comments.
		 *
		 * @since 2.7.0
		 * @access private
		 *
		 * @param {string} value The name of the action to execute.
		 *
		 * @return {Function} The function that executes the bulk action.
		 */
		make_bulk = function(value) {
			return function() {
				var scope = $('select[name="action"]');
				$('option[value="' + value + '"]', scope).prop('selected', true);
				$('#doaction').trigger( 'click' );
			};
		};

		$.table_hotkeys(
			$('table.widefat'),
			[
				'a', 'u', 's', 'd', 'r', 'q', 'z',
				['e', edit_comment],
				['shift+x', toggle_all],
				['shift+a', make_bulk('approve')],
				['shift+s', make_bulk('spam')],
				['shift+d', make_bulk('delete')],
				['shift+t', make_bulk('trash')],
				['shift+z', make_bulk('untrash')],
				['shift+u', make_bulk('unapprove')]
			],
			{
				highlight_first: adminCommentsSettings.hotkeys_highlight_first,
				highlight_last: adminCommentsSettings.hotkeys_highlight_last,
				prev_page_link_cb: make_hotkeys_redirect('prev'),
				next_page_link_cb: make_hotkeys_redirect('next'),
				hotkeys_opts: {
					disableInInput: true,
					type: 'keypress',
					noDisable: '.check-column input[type="checkbox"]'
				},
				cycle_expr: '#the-comment-list tr',
				start_row_index: 0
			}
		);
	}

	// Quick Edit and Reply have an inline comment editor.
	$( '#the-comment-list' ).on( 'click', '.comment-inline', function() {
		var $el = $( this ),
			action = 'replyto';

		if ( 'undefined' !== typeof $el.data( 'action' ) ) {
			action = $el.data( 'action' );
		}

		$( this ).attr( 'aria-expanded', 'true' );
		commentReply.open( $el.data( 'commentId' ), $el.data( 'postId' ), action );
	} );
});

})(jQuery);
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i,e=e.find(".widgets-chooser-selected").data("sidebarId"),e=w("#"+e),t=w("#available-widgets").find(".widget-in-question").clone(),d=t.attr("id"),a=t.find("input.add_new").val(),s=t.find("input.multi_number").val();t.find(".widgets-chooser").remove(),"multi"===a?(t.html(t.html().replace(/<[^<>]+>/g,function(e){return e.replace(/__i__|%i%/g,s)})),t.attr("id",d.replace("__i__",s)),s++,w("#"+d).find("input.multi_number").val(s)):"single"===a&&(t.attr("id","new-"+d),w("#"+d).hide()),e.closest(".widgets-holder-wrap").removeClass("closed").find(".handlediv").attr("aria-expanded","true"),e.append(t),e.sortable("refresh"),wpWidgets.save(t,0,0,1),t.find("input.add_new").val(""),l.trigger("widget-added",[t]),d=(a=w(window).scrollTop())+w(window).height(),(i=e.offset()).bottom=i.top+e.outerHeight(),(a>i.bottom||d<i.top)&&w("html, body").animate({scrollTop:i.top-130},200),window.setTimeout(function(){t.find(".widget-title").trigger("click"),window.wp.a11y.speak(wp.i18n.__("Widget has been added to the selected sidebar"),"assertive")},250)},closeChooser:function(){var e=this,i=w("#available-widgets .widget-in-question");w(".widgets-chooser").slideUp(200,function(){w("#wpbody-content").append(this),e.clearWidgetSelection(),i.find(".widget-action").attr("aria-expanded","false").focus()})},clearWidgetSelection:function(){w("#widgets-left").removeClass("chooser"),w(".widget-in-question").removeClass("widget-in-question")},closeSidebar:function(e){this.hoveredSidebar.addClass("closed").find(".handlediv").attr("aria-expanded","false"),w(e.target).css("min-height",""),this.hoveredSidebar=null}},w(function(){wpWidgets.init()})}(jQuery),wpWidgets.l10n=wpWidgets.l10n||{save:"",saved:"",saveAlert:"",widgetAdded:""},wpWidgets.l10n=window.wp.deprecateL10nObject("wpWidgets.l10n",wpWidgets.l10n,"5.5.0");PK       ! �Y����  ��    revisions.jsnu �[���        /**
 * @file Revisions interface functions, Backbone classes and
 * the revisions.php document.ready bootstrap.
 *
 * @output wp-admin/js/revisions.js
 */

/* global isRtl */

window.wp = window.wp || {};

(function($) {
	var revisions;
	/**
	 * Expose the module in window.wp.revisions.
	 */
	revisions = wp.revisions = { model: {}, view: {}, controller: {} };

	// Link post revisions data served from the back end.
	revisions.settings = window._wpRevisionsSettings || {};

	// For debugging.
	revisions.debug = false;

	/**
	 * wp.revisions.log
	 *
	 * A debugging utility for revisions. Works only when a
	 * debug flag is on and the browser supports it.
	 */
	revisions.log = function() {
		if ( window.console && revisions.debug ) {
			window.console.log.apply( window.console, arguments );
		}
	};

	// Handy functions to help with positioning.
	$.fn.allOffsets = function() {
		var offset = this.offset() || {top: 0, left: 0}, win = $(window);
		return _.extend( offset, {
			right:  win.width()  - offset.left - this.outerWidth(),
			bottom: win.height() - offset.top  - this.outerHeight()
		});
	};

	$.fn.allPositions = function() {
		var position = this.position() || {top: 0, left: 0}, parent = this.parent();
		return _.extend( position, {
			right:  parent.outerWidth()  - position.left - this.outerWidth(),
			bottom: parent.outerHeight() - position.top  - this.outerHeight()
		});
	};

	/**
	 * ========================================================================
	 * MODELS
	 * ========================================================================
	 */
	revisions.model.Slider = Backbone.Model.extend({
		defaults: {
			value: null,
			values: null,
			min: 0,
			max: 1,
			step: 1,
			range: false,
			compareTwoMode: false
		},

		initialize: function( options ) {
			this.frame = options.frame;
			this.revisions = options.revisions;

			// Listen for changes to the revisions or mode from outside.
			this.listenTo( this.frame, 'update:revisions', this.receiveRevisions );
			this.listenTo( this.frame, 'change:compareTwoMode', this.updateMode );

			// Listen for internal changes.
			this.on( 'change:from', this.handleLocalChanges );
			this.on( 'change:to', this.handleLocalChanges );
			this.on( 'change:compareTwoMode', this.updateSliderSettings );
			this.on( 'update:revisions', this.updateSliderSettings );

			// Listen for changes to the hovered revision.
			this.on( 'change:hoveredRevision', this.hoverRevision );

			this.set({
				max:   this.revisions.length - 1,
				compareTwoMode: this.frame.get('compareTwoMode'),
				from: this.frame.get('from'),
				to: this.frame.get('to')
			});
			this.updateSliderSettings();
		},

		getSliderValue: function( a, b ) {
			return isRtl ? this.revisions.length - this.revisions.indexOf( this.get(a) ) - 1 : this.revisions.indexOf( this.get(b) );
		},

		updateSliderSettings: function() {
			if ( this.get('compareTwoMode') ) {
				this.set({
					values: [
						this.getSliderValue( 'to', 'from' ),
						this.getSliderValue( 'from', 'to' )
					],
					value: null,
					range: true // Ensures handles cannot cross.
				});
			} else {
				this.set({
					value: this.getSliderValue( 'to', 'to' ),
					values: null,
					range: false
				});
			}
			this.trigger( 'update:slider' );
		},

		// Called when a revision is hovered.
		hoverRevision: function( model, value ) {
			this.trigger( 'hovered:revision', value );
		},

		// Called when `compareTwoMode` changes.
		updateMode: function( model, value ) {
			this.set({ compareTwoMode: value });
		},

		// Called when `from` or `to` changes in the local model.
		handleLocalChanges: function() {
			this.frame.set({
				from: this.get('from'),
				to: this.get('to')
			});
		},

		// Receives revisions changes from outside the model.
		receiveRevisions: function( from, to ) {
			// Bail if nothing changed.
			if ( this.get('from') === from && this.get('to') === to ) {
				return;
			}

			this.set({ from: from, to: to }, { silent: true });
			this.trigger( 'update:revisions', from, to );
		}

	});

	revisions.model.Tooltip = Backbone.Model.extend({
		defaults: {
			revision: null,
			offset: {},
			hovering: false, // Whether the mouse is hovering.
			scrubbing: false // Whether the mouse is scrubbing.
		},

		initialize: function( options ) {
			this.frame = options.frame;
			this.revisions = options.revisions;
			this.slider = options.slider;

			this.listenTo( this.slider, 'hovered:revision', this.updateRevision );
			this.listenTo( this.slider, 'change:hovering', this.setHovering );
			this.listenTo( this.slider, 'change:scrubbing', this.setScrubbing );
		},


		updateRevision: function( revision ) {
			this.set({ revision: revision });
		},

		setHovering: function( model, value ) {
			this.set({ hovering: value });
		},

		setScrubbing: function( model, value ) {
			this.set({ scrubbing: value });
		}
	});

	revisions.model.Revision = Backbone.Model.extend({});

	/**
	 * wp.revisions.model.Revisions
	 *
	 * A collection of post revisions.
	 */
	revisions.model.Revisions = Backbone.Collection.extend({
		model: revisions.model.Revision,

		initialize: function() {
			_.bindAll( this, 'next', 'prev' );
		},

		next: function( revision ) {
			var index = this.indexOf( revision );

			if ( index !== -1 && index !== this.length - 1 ) {
				return this.at( index + 1 );
			}
		},

		prev: function( revision ) {
			var index = this.indexOf( revision );

			if ( index !== -1 && index !== 0 ) {
				return this.at( index - 1 );
			}
		}
	});

	revisions.model.Field = Backbone.Model.extend({});

	revisions.model.Fields = Backbone.Collection.extend({
		model: revisions.model.Field
	});

	revisions.model.Diff = Backbone.Model.extend({
		initialize: function() {
			var fields = this.get('fields');
			this.unset('fields');

			this.fields = new revisions.model.Fields( fields );
		}
	});

	revisions.model.Diffs = Backbone.Collection.extend({
		initialize: function( models, options ) {
			_.bindAll( this, 'getClosestUnloaded' );
			this.loadAll = _.once( this._loadAll );
			this.revisions = options.revisions;
			this.postId = options.postId;
			this.requests  = {};
		},

		model: revisions.model.Diff,

		ensure: function( id, context ) {
			var diff     = this.get( id ),
				request  = this.requests[ id ],
				deferred = $.Deferred(),
				ids      = {},
				from     = id.split(':')[0],
				to       = id.split(':')[1];
			ids[id] = true;

			wp.revisions.log( 'ensure', id );

			this.trigger( 'ensure', ids, from, to, deferred.promise() );

			if ( diff ) {
				deferred.resolveWith( context, [ diff ] );
			} else {
				this.trigger( 'ensure:load', ids, from, to, deferred.promise() );
				_.each( ids, _.bind( function( id ) {
					// Remove anything that has an ongoing request.
					if ( this.requests[ id ] ) {
						delete ids[ id ];
					}
					// Remove anything we already have.
					if ( this.get( id ) ) {
						delete ids[ id ];
					}
				}, this ) );
				if ( ! request ) {
					// Always include the ID that started this ensure.
					ids[ id ] = true;
					request   = this.load( _.keys( ids ) );
				}

				request.done( _.bind( function() {
					deferred.resolveWith( context, [ this.get( id ) ] );
				}, this ) ).fail( _.bind( function() {
					deferred.reject();
				}) );
			}

			return deferred.promise();
		},

		// Returns an array of proximal diffs.
		getClosestUnloaded: function( ids, centerId ) {
			var self = this;
			return _.chain([0].concat( ids )).initial().zip( ids ).sortBy( function( pair ) {
				return Math.abs( centerId - pair[1] );
			}).map( function( pair ) {
				return pair.join(':');
			}).filter( function( diffId ) {
				return _.isUndefined( self.get( diffId ) ) && ! self.requests[ diffId ];
			}).value();
		},

		_loadAll: function( allRevisionIds, centerId, num ) {
			var self = this, deferred = $.Deferred(),
				diffs = _.first( this.getClosestUnloaded( allRevisionIds, centerId ), num );
			if ( _.size( diffs ) > 0 ) {
				this.load( diffs ).done( function() {
					self._loadAll( allRevisionIds, centerId, num ).done( function() {
						deferred.resolve();
					});
				}).fail( function() {
					if ( 1 === num ) { // Already tried 1. This just isn't working. Give up.
						deferred.reject();
					} else { // Request fewer diffs this time.
						self._loadAll( allRevisionIds, centerId, Math.ceil( num / 2 ) ).done( function() {
							deferred.resolve();
						});
					}
				});
			} else {
				deferred.resolve();
			}
			return deferred;
		},

		load: function( comparisons ) {
			wp.revisions.log( 'load', comparisons );
			// Our collection should only ever grow, never shrink, so `remove: false`.
			return this.fetch({ data: { compare: comparisons }, remove: false }).done( function() {
				wp.revisions.log( 'load:complete', comparisons );
			});
		},

		sync: function( method, model, options ) {
			if ( 'read' === method ) {
				options = options || {};
				options.context = this;
				options.data = _.extend( options.data || {}, {
					action: 'get-revision-diffs',
					post_id: this.postId
				});

				var deferred = wp.ajax.send( options ),
					requests = this.requests;

				// Record that we're requesting each diff.
				if ( options.data.compare ) {
					_.each( options.data.compare, function( id ) {
						requests[ id ] = deferred;
					});
				}

				// When the request completes, clear the stored request.
				deferred.always( function() {
					if ( options.data.compare ) {
						_.each( options.data.compare, function( id ) {
							delete requests[ id ];
						});
					}
				});

				return deferred;

			// Otherwise, fall back to `Backbone.sync()`.
			} else {
				return Backbone.Model.prototype.sync.apply( this, arguments );
			}
		}
	});


	/**
	 * wp.revisions.model.FrameState
	 *
	 * The frame state.
	 *
	 * @see wp.revisions.view.Frame
	 *
	 * @param {object}                    attributes        Model attributes - none are required.
	 * @param {object}                    options           Options for the model.
	 * @param {revisions.model.Revisions} options.revisions A collection of revisions.
	 */
	revisions.model.FrameState = Backbone.Model.extend({
		defaults: {
			loading: false,
			error: false,
			compareTwoMode: false
		},

		initialize: function( attributes, options ) {
			var state = this.get( 'initialDiffState' );
			_.bindAll( this, 'receiveDiff' );
			this._debouncedEnsureDiff = _.debounce( this._ensureDiff, 200 );

			this.revisions = options.revisions;

			this.diffs = new revisions.model.Diffs( [], {
				revisions: this.revisions,
				postId: this.get( 'postId' )
			} );

			// Set the initial diffs collection.
			this.diffs.set( this.get( 'diffData' ) );

			// Set up internal listeners.
			this.listenTo( this, 'change:from', this.changeRevisionHandler );
			this.listenTo( this, 'change:to', this.changeRevisionHandler );
			this.listenTo( this, 'change:compareTwoMode', this.changeMode );
			this.listenTo( this, 'update:revisions', this.updatedRevisions );
			this.listenTo( this.diffs, 'ensure:load', this.updateLoadingStatus );
			this.listenTo( this, 'update:diff', this.updateLoadingStatus );

			// Set the initial revisions, baseUrl, and mode as provided through attributes.

			this.set( {
				to : this.revisions.get( state.to ),
				from : this.revisions.get( state.from ),
				compareTwoMode : state.compareTwoMode
			} );

			// Start the router if browser supports History API.
			if ( window.history && window.history.pushState ) {
				this.router = new revisions.Router({ model: this });
				if ( Backbone.History.started ) {
					Backbone.history.stop();
				}
				Backbone.history.start({ pushState: true });
			}
		},

		updateLoadingStatus: function() {
			this.set( 'error', false );
			this.set( 'loading', ! this.diff() );
		},

		changeMode: function( model, value ) {
			var toIndex = this.revisions.indexOf( this.get( 'to' ) );

			// If we were on the first revision before switching to two-handled mode,
			// bump the 'to' position over one.
			if ( value && 0 === toIndex ) {
				this.set({
					from: this.revisions.at( toIndex ),
					to:   this.revisions.at( toIndex + 1 )
				});
			}

			// When switching back to single-handled mode, reset 'from' model to
			// one position before the 'to' model.
			if ( ! value && 0 !== toIndex ) { // '! value' means switching to single-handled mode.
				this.set({
					from: this.revisions.at( toIndex - 1 ),
					to:   this.revisions.at( toIndex )
				});
			}
		},

		updatedRevisions: function( from, to ) {
			if ( this.get( 'compareTwoMode' ) ) {
				// @todo Compare-two loading strategy.
			} else {
				this.diffs.loadAll( this.revisions.pluck('id'), to.id, 40 );
			}
		},

		// Fetch the currently loaded diff.
		diff: function() {
			return this.diffs.get( this._diffId );
		},

		/*
		 * So long as `from` and `to` are changed at the same time, the diff
		 * will only be updated once. This is because Backbone updates all of
		 * the changed attributes in `set`, and then fires the `change` events.
		 */
		updateDiff: function( options ) {
			var from, to, diffId, diff;

			options = options || {};
			from = this.get('from');
			to = this.get('to');
			diffId = ( from ? from.id : 0 ) + ':' + to.id;

			// Check if we're actually changing the diff id.
			if ( this._diffId === diffId ) {
				return $.Deferred().reject().promise();
			}

			this._diffId = diffId;
			this.trigger( 'update:revisions', from, to );

			diff = this.diffs.get( diffId );

			// If we already have the diff, then immediately trigger the update.
			if ( diff ) {
				this.receiveDiff( diff );
				return $.Deferred().resolve().promise();
			// Otherwise, fetch the diff.
			} else {
				if ( options.immediate ) {
					return this._ensureDiff();
				} else {
					this._debouncedEnsureDiff();
					return $.Deferred().reject().promise();
				}
			}
		},

		// A simple wrapper around `updateDiff` to prevent the change event's
		// parameters from being passed through.
		changeRevisionHandler: function() {
			this.updateDiff();
		},

		receiveDiff: function( diff ) {
			// Did we actually get a diff?
			if ( _.isUndefined( diff ) || _.isUndefined( diff.id ) ) {
				this.set({
					loading: false,
					error: true
				});
			} else if ( this._diffId === diff.id ) { // Make sure the current diff didn't change.
				this.trigger( 'update:diff', diff );
			}
		},

		_ensureDiff: function() {
			return this.diffs.ensure( this._diffId, this ).always( this.receiveDiff );
		}
	});


	/**
	 * ========================================================================
	 * VIEWS
	 * ========================================================================
	 */

	/**
	 * wp.revisions.view.Frame
	 *
	 * Top level frame that orchestrates the revisions experience.
	 *
	 * @param {object}                     options       The options hash for the view.
	 * @param {revisions.model.FrameState} options.model The frame state model.
	 */
	revisions.view.Frame = wp.Backbone.View.extend({
		className: 'revisions',
		template: wp.template('revisions-frame'),

		initialize: function() {
			this.listenTo( this.model, 'update:diff', this.renderDiff );
			this.listenTo( this.model, 'change:compareTwoMode', this.updateCompareTwoMode );
			this.listenTo( this.model, 'change:loading', this.updateLoadingStatus );
			this.listenTo( this.model, 'change:error', this.updateErrorStatus );

			this.views.set( '.revisions-control-frame', new revisions.view.Controls({
				model: this.model
			}) );
		},

		render: function() {
			wp.Backbone.View.prototype.render.apply( this, arguments );

			$('html').css( 'overflow-y', 'scroll' );
			$('#wpbody-content .wrap').append( this.el );
			this.updateCompareTwoMode();
			this.renderDiff( this.model.diff() );
			this.views.ready();

			return this;
		},

		renderDiff: function( diff ) {
			this.views.set( '.revisions-diff-frame', new revisions.view.Diff({
				model: diff
			}) );
		},

		updateLoadingStatus: function() {
			this.$el.toggleClass( 'loading', this.model.get('loading') );
		},

		updateErrorStatus: function() {
			this.$el.toggleClass( 'diff-error', this.model.get('error') );
		},

		updateCompareTwoMode: function() {
			this.$el.toggleClass( 'comparing-two-revisions', this.model.get('compareTwoMode') );
		}
	});

	/**
	 * wp.revisions.view.Controls
	 *
	 * The controls view.
	 *
	 * Contains the revision slider, previous/next buttons, the meta info and the compare checkbox.
	 */
	revisions.view.Controls = wp.Backbone.View.extend({
		className: 'revisions-controls',

		initialize: function() {
			_.bindAll( this, 'setWidth' );

			// Add the checkbox view.
			this.views.add( new revisions.view.Checkbox({
				model: this.model
			}) );

			// Add the button view.
			this.views.add( new revisions.view.Buttons({
				model: this.model
			}) );

			// Prep the slider model.
			var slider = new revisions.model.Slider({
				frame: this.model,
				revisions: this.model.revisions
			}),

			// Prep the tooltip model.
			tooltip = new revisions.model.Tooltip({
				frame: this.model,
				revisions: this.model.revisions,
				slider: slider
			});

			// Add the tooltip view.
			this.views.add( new revisions.view.Tooltip({
				model: tooltip
			}) );

			// Add the tickmarks view.
			this.views.add( new revisions.view.Tickmarks({
				model: tooltip
			}) );

			// Add the visually hidden slider help view.
			this.views.add( new revisions.view.SliderHelp() );

			// Add the slider view.
			this.views.add( new revisions.view.Slider({
				model: slider
			}) );

			// Add the Metabox view.
			this.views.add( new revisions.view.Metabox({
				model: this.model
			}) );
		},

		ready: function() {
			this.top = this.$el.offset().top;
			this.window = $(window);
			this.window.on( 'scroll.wp.revisions', {controls: this}, function(e) {
				var controls  = e.data.controls,
					container = controls.$el.parent(),
					scrolled  = controls.window.scrollTop(),
					frame     = controls.views.parent;

				if ( scrolled >= controls.top ) {
					if ( ! frame.$el.hasClass('pinned') ) {
						controls.setWidth();
						container.css('height', container.height() + 'px' );
						controls.window.on('resize.wp.revisions.pinning click.wp.revisions.pinning', {controls: controls}, function(e) {
							e.data.controls.setWidth();
						});
					}
					frame.$el.addClass('pinned');
				} else if ( frame.$el.hasClass('pinned') ) {
					controls.window.off('.wp.revisions.pinning');
					controls.$el.css('width', 'auto');
					frame.$el.removeClass('pinned');
					container.css('height', 'auto');
					controls.top = controls.$el.offset().top;
				} else {
					controls.top = controls.$el.offset().top;
				}
			});
		},

		setWidth: function() {
			this.$el.css('width', this.$el.parent().width() + 'px');
		}
	});

	// The tickmarks view.
	revisions.view.Tickmarks = wp.Backbone.View.extend({
		className: 'revisions-tickmarks',
		direction: isRtl ? 'right' : 'left',

		initialize: function() {
			this.listenTo( this.model, 'change:revision', this.reportTickPosition );
		},

		reportTickPosition: function( model, revision ) {
			var offset, thisOffset, parentOffset, tick, index = this.model.revisions.indexOf( revision );
			thisOffset = this.$el.allOffsets();
			parentOffset = this.$el.parent().allOffsets();
			if ( index === this.model.revisions.length - 1 ) {
				// Last one.
				offset = {
					rightPlusWidth: thisOffset.left - parentOffset.left + 1,
					leftPlusWidth: thisOffset.right - parentOffset.right + 1
				};
			} else {
				// Normal tick.
				tick = this.$('div:nth-of-type(' + (index + 1) + ')');
				offset = tick.allPositions();
				_.extend( offset, {
					left: offset.left + thisOffset.left - parentOffset.left,
					right: offset.right + thisOffset.right - parentOffset.right
				});
				_.extend( offset, {
					leftPlusWidth: offset.left + tick.outerWidth(),
					rightPlusWidth: offset.right + tick.outerWidth()
				});
			}
			this.model.set({ offset: offset });
		},

		ready: function() {
			var tickCount, tickWidth;
			tickCount = this.model.revisions.length - 1;
			tickWidth = 1 / tickCount;
			this.$el.css('width', ( this.model.revisions.length * 50 ) + 'px');

			_(tickCount).times( function( index ){
				this.$el.append( '<div style="' + this.direction + ': ' + ( 100 * tickWidth * index ) + '%"></div>' );
			}, this );
		}
	});

	// The metabox view.
	revisions.view.Metabox = wp.Backbone.View.extend({
		className: 'revisions-meta',

		initialize: function() {
			// Add the 'from' view.
			this.views.add( new revisions.view.MetaFrom({
				model: this.model,
				className: 'diff-meta diff-meta-from'
			}) );

			// Add the 'to' view.
			this.views.add( new revisions.view.MetaTo({
				model: this.model
			}) );
		}
	});

	// The revision meta view (to be extended).
	revisions.view.Meta = wp.Backbone.View.extend({
		template: wp.template('revisions-meta'),

		events: {
			'click .restore-revision': 'restoreRevision'
		},

		initialize: function() {
			this.listenTo( this.model, 'update:revisions', this.render );
		},

		prepare: function() {
			return _.extend( this.model.toJSON()[this.type] || {}, {
				type: this.type
			});
		},

		restoreRevision: function() {
			document.location = this.model.get('to').attributes.restoreUrl;
		}
	});

	// The revision meta 'from' view.
	revisions.view.MetaFrom = revisions.view.Meta.extend({
		className: 'diff-meta diff-meta-from',
		type: 'from'
	});

	// The revision meta 'to' view.
	revisions.view.MetaTo = revisions.view.Meta.extend({
		className: 'diff-meta diff-meta-to',
		type: 'to'
	});

	// The checkbox view.
	revisions.view.Checkbox = wp.Backbone.View.extend({
		className: 'revisions-checkbox',
		template: wp.template('revisions-checkbox'),

		events: {
			'click .compare-two-revisions': 'compareTwoToggle'
		},

		initialize: function() {
			this.listenTo( this.model, 'change:compareTwoMode', this.updateCompareTwoMode );
		},

		ready: function() {
			if ( this.model.revisions.length < 3 ) {
				$('.revision-toggle-compare-mode').hide();
			}
		},

		updateCompareTwoMode: function() {
			this.$('.compare-two-revisions').prop( 'checked', this.model.get('compareTwoMode') );
		},

		// Toggle the compare two mode feature when the compare two checkbox is checked.
		compareTwoToggle: function() {
			// Activate compare two mode?
			this.model.set({ compareTwoMode: $('.compare-two-revisions').prop('checked') });
		}
	});

	// The slider visually hidden help view.
 	revisions.view.SliderHelp = wp.Backbone.View.extend({
		className: 'revisions-slider-hidden-help',
		template:  wp.template( 'revisions-slider-hidden-help' )
	});
   
	// The tooltip view.
	// Encapsulates the tooltip.
	revisions.view.Tooltip = wp.Backbone.View.extend({
		className: 'revisions-tooltip',
		template: wp.template('revisions-meta'),

		initialize: function() {
			this.listenTo( this.model, 'change:offset', this.render );
			this.listenTo( this.model, 'change:hovering', this.toggleVisibility );
			this.listenTo( this.model, 'change:scrubbing', this.toggleVisibility );
		},

		prepare: function() {
			if ( _.isNull( this.model.get('revision') ) ) {
				return;
			} else {
				return _.extend( { type: 'tooltip' }, {
					attributes: this.model.get('revision').toJSON()
				});
			}
		},

		render: function() {
			var otherDirection,
				direction,
				directionVal,
				flipped,
				css      = {},
				position = this.model.revisions.indexOf( this.model.get('revision') ) + 1;

			flipped = ( position / this.model.revisions.length ) > 0.5;
			if ( isRtl ) {
				direction = flipped ? 'left' : 'right';
				directionVal = flipped ? 'leftPlusWidth' : direction;
			} else {
				direction = flipped ? 'right' : 'left';
				directionVal = flipped ? 'rightPlusWidth' : direction;
			}
			otherDirection = 'right' === direction ? 'left': 'right';
			wp.Backbone.View.prototype.render.apply( this, arguments );
			css[direction] = this.model.get('offset')[directionVal] + 'px';
			css[otherDirection] = '';
			this.$el.toggleClass( 'flipped', flipped ).css( css );
		},

		visible: function() {
			return this.model.get( 'scrubbing' ) || this.model.get( 'hovering' );
		},

		toggleVisibility: function() {
			if ( this.visible() ) {
				this.$el.stop().show().fadeTo( 100 - this.el.style.opacity * 100, 1 );
			} else {
				this.$el.stop().fadeTo( this.el.style.opacity * 300, 0, function(){ $(this).hide(); } );
			}
			return;
		}
	});

	// The buttons view.
	// Encapsulates all of the configuration for the previous/next buttons.
	revisions.view.Buttons = wp.Backbone.View.extend({
		className: 'revisions-buttons',
		template: wp.template('revisions-buttons'),

		events: {
			'click .revisions-next .button': 'nextRevision',
			'click .revisions-previous .button': 'previousRevision'
		},

		initialize: function() {
			this.listenTo( this.model, 'update:revisions', this.disabledButtonCheck );
		},

		ready: function() {
			this.disabledButtonCheck();
		},

		// Go to a specific model index.
		gotoModel: function( toIndex ) {
			var attributes = {
				to: this.model.revisions.at( toIndex )
			};
			// If we're at the first revision, unset 'from'.
			if ( toIndex ) {
				attributes.from = this.model.revisions.at( toIndex - 1 );
			} else {
				this.model.unset('from', { silent: true });
			}

			this.model.set( attributes );
		},

		// Go to the 'next' revision.
		nextRevision: function() {
			var toIndex = this.model.revisions.indexOf( this.model.get('to') ) + 1;
			this.gotoModel( toIndex );
		},

		// Go to the 'previous' revision.
		previousRevision: function() {
			var toIndex = this.model.revisions.indexOf( this.model.get('to') ) - 1;
			this.gotoModel( toIndex );
		},

		// Check to see if the Previous or Next buttons need to be disabled or enabled.
		disabledButtonCheck: function() {
			var maxVal   = this.model.revisions.length - 1,
				minVal   = 0,
				next     = $('.revisions-next .button'),
				previous = $('.revisions-previous .button'),
				val      = this.model.revisions.indexOf( this.model.get('to') );

			// Disable "Next" button if you're on the last node.
			next.prop( 'disabled', ( maxVal === val ) );

			// Disable "Previous" button if you're on the first node.
			previous.prop( 'disabled', ( minVal === val ) );
		}
	});


	// The slider view.
	revisions.view.Slider = wp.Backbone.View.extend({
		className: 'wp-slider',
		direction: isRtl ? 'right' : 'left',

		events: {
			'mousemove' : 'mouseMove'
		},

		initialize: function() {
			_.bindAll( this, 'start', 'slide', 'stop', 'mouseMove', 'mouseEnter', 'mouseLeave' );
			this.listenTo( this.model, 'update:slider', this.applySliderSettings );
		},

		ready: function() {
			this.$el.css('width', ( this.model.revisions.length * 50 ) + 'px');
			this.$el.slider( _.extend( this.model.toJSON(), {
				start: this.start,
				slide: this.slide,
				stop:  this.stop
			}) );

			this.$el.hoverIntent({
				over: this.mouseEnter,
				out: this.mouseLeave,
				timeout: 800
			});

			this.applySliderSettings();
		},

		accessibilityHelper: function() {
			var handles = $( '.ui-slider-handle' );
			handles.first().attr( {
					role: 'button',
					'aria-labelledby': 'diff-title-from diff-title-author',
					'aria-describedby': 'revisions-slider-hidden-help',
			} );
			handles.last().attr( {
					role: 'button',
					'aria-labelledby': 'diff-title-to diff-title-author',
					'aria-describedby': 'revisions-slider-hidden-help',
			} );
		},

		mouseMove: function( e ) {
			var zoneCount         = this.model.revisions.length - 1,       // One fewer zone than models.
				sliderFrom        = this.$el.allOffsets()[this.direction], // "From" edge of slider.
				sliderWidth       = this.$el.width(),                      // Width of slider.
				tickWidth         = sliderWidth / zoneCount,               // Calculated width of zone.
				actualX           = ( isRtl ? $(window).width() - e.pageX : e.pageX ) - sliderFrom, // Flipped for RTL - sliderFrom.
				currentModelIndex = Math.floor( ( actualX  + ( tickWidth / 2 )  ) / tickWidth );    // Calculate the model index.

			// Ensure sane value for currentModelIndex.
			if ( currentModelIndex < 0 ) {
				currentModelIndex = 0;
			} else if ( currentModelIndex >= this.model.revisions.length ) {
				currentModelIndex = this.model.revisions.length - 1;
			}

			// Update the tooltip mode.
			this.model.set({ hoveredRevision: this.model.revisions.at( currentModelIndex ) });
		},

		mouseLeave: function() {
			this.model.set({ hovering: false });
		},

		mouseEnter: function() {
			this.model.set({ hovering: true });
		},

		applySliderSettings: function() {
			this.$el.slider( _.pick( this.model.toJSON(), 'value', 'values', 'range' ) );
			var handles = this.$('a.ui-slider-handle');

			if ( this.model.get('compareTwoMode') ) {
				// In RTL mode the 'left handle' is the second in the slider, 'right' is first.
				handles.first()
					.toggleClass( 'to-handle', !! isRtl )
					.toggleClass( 'from-handle', ! isRtl );
				handles.last()
					.toggleClass( 'from-handle', !! isRtl )
					.toggleClass( 'to-handle', ! isRtl );
				this.accessibilityHelper();
			} else {
				handles.removeClass('from-handle to-handle');
				this.accessibilityHelper();
			}

		},

		start: function( event, ui ) {
			this.model.set({ scrubbing: true });

			// Track the mouse position to enable smooth dragging,
			// overrides default jQuery UI step behavior.
			$( window ).on( 'mousemove.wp.revisions', { view: this }, function( e ) {
				var handles,
					view              = e.data.view,
					leftDragBoundary  = view.$el.offset().left,
					sliderOffset      = leftDragBoundary,
					sliderRightEdge   = leftDragBoundary + view.$el.width(),
					rightDragBoundary = sliderRightEdge,
					leftDragReset     = '0',
					rightDragReset    = '100%',
					handle            = $( ui.handle );

				// In two handle mode, ensure handles can't be dragged past each other.
				// Adjust left/right boundaries and reset points.
				if ( view.model.get('compareTwoMode') ) {
					handles = handle.parent().find('.ui-slider-handle');
					if ( handle.is( handles.first() ) ) {
						// We're the left handle.
						rightDragBoundary = handles.last().offset().left;
						rightDragReset    = rightDragBoundary - sliderOffset;
					} else {
						// We're the right handle.
						leftDragBoundary = handles.first().offset().left + handles.first().width();
						leftDragReset    = leftDragBoundary - sliderOffset;
					}
				}

				// Follow mouse movements, as long as handle remains inside slider.
				if ( e.pageX < leftDragBoundary ) {
					handle.css( 'left', leftDragReset ); // Mouse to left of slider.
				} else if ( e.pageX > rightDragBoundary ) {
					handle.css( 'left', rightDragReset ); // Mouse to right of slider.
				} else {
					handle.css( 'left', e.pageX - sliderOffset ); // Mouse in slider.
				}
			} );
		},

		getPosition: function( position ) {
			return isRtl ? this.model.revisions.length - position - 1: position;
		},

		// Responds to slide events.
		slide: function( event, ui ) {
			var attributes, movedRevision;
			// Compare two revisions mode.
			if ( this.model.get('compareTwoMode') ) {
				// Prevent sliders from occupying same spot.
				if ( ui.values[1] === ui.values[0] ) {
					return false;
				}
				if ( isRtl ) {
					ui.values.reverse();
				}
				attributes = {
					from: this.model.revisions.at( this.getPosition( ui.values[0] ) ),
					to: this.model.revisions.at( this.getPosition( ui.values[1] ) )
				};
			} else {
				attributes = {
					to: this.model.revisions.at( this.getPosition( ui.value ) )
				};
				// If we're at the first revision, unset 'from'.
				if ( this.getPosition( ui.value ) > 0 ) {
					attributes.from = this.model.revisions.at( this.getPosition( ui.value ) - 1 );
				} else {
					attributes.from = undefined;
				}
			}
			movedRevision = this.model.revisions.at( this.getPosition( ui.value ) );

			// If we are scrubbing, a scrub to a revision is considered a hover.
			if ( this.model.get('scrubbing') ) {
				attributes.hoveredRevision = movedRevision;
			}

			this.model.set( attributes );
		},

		stop: function() {
			$( window ).off('mousemove.wp.revisions');
			this.model.updateSliderSettings(); // To snap us back to a tick mark.
			this.model.set({ scrubbing: false });
		}
	});

	// The diff view.
	// This is the view for the current active diff.
	revisions.view.Diff = wp.Backbone.View.extend({
		className: 'revisions-diff',
		template:  wp.template('revisions-diff'),

		// Generate the options to be passed to the template.
		prepare: function() {
			return _.extend({ fields: this.model.fields.toJSON() }, this.options );
		}
	});

	// The revisions router.
	// Maintains the URL routes so browser URL matches state.
	revisions.Router = Backbone.Router.extend({
		initialize: function( options ) {
			this.model = options.model;

			// Maintain state and history when navigating.
			this.listenTo( this.model, 'update:diff', _.debounce( this.updateUrl, 250 ) );
			this.listenTo( this.model, 'change:compareTwoMode', this.updateUrl );
		},

		baseUrl: function( url ) {
			return this.model.get('baseUrl') + url;
		},

		updateUrl: function() {
			var from = this.model.has('from') ? this.model.get('from').id : 0,
				to   = this.model.get('to').id;
			if ( this.model.get('compareTwoMode' ) ) {
				this.navigate( this.baseUrl( '?from=' + from + '&to=' + to ), { replace: true } );
			} else {
				this.navigate( this.baseUrl( '?revision=' + to ), { replace: true } );
			}
		},

		handleRoute: function( a, b ) {
			var compareTwo = _.isUndefined( b );

			if ( ! compareTwo ) {
				b = this.model.revisions.get( a );
				a = this.model.revisions.prev( b );
				b = b ? b.id : 0;
				a = a ? a.id : 0;
			}
		}
	});

	/**
	 * Initialize the revisions UI for revision.php.
	 */
	revisions.init = function() {
		var state;

		// Bail if the current page is not revision.php.
		if ( ! window.adminpage || 'revision-php' !== window.adminpage ) {
			return;
		}

		state = new revisions.model.FrameState({
			initialDiffState: {
				// wp_localize_script doesn't stringifies ints, so cast them.
				to: parseInt( revisions.settings.to, 10 ),
				from: parseInt( revisions.settings.from, 10 ),
				// wp_localize_script does not allow for top-level booleans so do a comparator here.
				compareTwoMode: ( revisions.settings.compareTwoMode === '1' )
			},
			diffData: revisions.settings.diffData,
			baseUrl: revisions.settings.baseUrl,
			postId: parseInt( revisions.settings.postId, 10 )
		}, {
			revisions: new revisions.model.Revisions( revisions.settings.revisionData )
		});

		revisions.view.frame = new revisions.view.Frame({
			model: state
		}).render();
	};

	$( revisions.init );
}(jQuery));
PK       ! �2S�+F  +F    code-editor.jsnu �[���        /**
 * @output wp-admin/js/code-editor.js
 */

/* global console */

/* eslint-env es2020 */

if ( 'undefined' === typeof window.wp ) {
	/**
	 * @namespace wp
	 */
	window.wp = {};
}
if ( 'undefined' === typeof window.wp.codeEditor ) {
	/**
	 * @namespace wp.codeEditor
	 */
	window.wp.codeEditor = {};
}

/**
 * @typedef {object} CodeMirrorState
 * @property {boolean} [completionActive] - Whether completion is active.
 * @property {boolean} [focused] - Whether the editor is focused.
 */

/**
 * @typedef {import('codemirror').EditorFromTextArea & {
 *   options: import('codemirror').EditorConfiguration,
 *   performLint?: () => void,
 *   showHint?: (options: import('codemirror').ShowHintOptions) => void,
 *   state: CodeMirrorState
 * }} CodeMirrorEditor
 */

/**
 * @typedef {object} LintAnnotation
 * @property {string} message - Message.
 * @property {'error'|'warning'} severity - Severity.
 * @property {import('codemirror').Position} from - From position.
 * @property {import('codemirror').Position} to - To position.
 */

/**
 * @typedef {object} CodeMirrorTokenState
 * @property {object} [htmlState] - HTML state.
 * @property {string} [htmlState.tagName] - Tag name.
 * @property {CodeMirrorTokenState} [curState] - Current state.
 */

/**
 * @typedef {import('codemirror').EditorConfiguration & {
 *   lint?: boolean | CombinedLintOptions,
 *   autoCloseBrackets?: boolean,
 *   matchBrackets?: boolean,
 *   continueComments?: boolean,
 *   styleActiveLine?: boolean
 * }} CodeMirrorSettings
 */

/**
 * @typedef {object} CSSLintRules
 * @property {boolean} [errors] - Errors.
 * @property {boolean} [box-model] - Box model rules.
 * @property {boolean} [display-property-grouping] - Display property grouping rules.
 * @property {boolean} [duplicate-properties] - Duplicate properties rules.
 * @property {boolean} [known-properties] - Known properties rules.
 * @property {boolean} [outline-none] - Outline none rules.
 */

/**
 * @typedef {object} JSHintRules
 * @property {number} [esversion] - ECMAScript version.
 * @property {boolean} [module] - Whether to use modules.
 * @property {boolean} [boss] - Whether to allow assignments in control expressions.
 * @property {boolean} [curly] - Whether to require curly braces.
 * @property {boolean} [eqeqeq] - Whether to require === and !==.
 * @property {boolean} [eqnull] - Whether to allow == null.
 * @property {boolean} [expr] - Whether to allow expressions.
 * @property {boolean} [immed] - Whether to require immediate function invocation.
 * @property {boolean} [noarg] - Whether to prohibit arguments.caller/callee.
 * @property {boolean} [nonbsp] - Whether to prohibit non-breaking spaces.
 * @property {string} [quotmark] - Quote mark preference.
 * @property {boolean} [undef] - Whether to prohibit undefined variables.
 * @property {boolean} [unused] - Whether to prohibit unused variables.
 * @property {boolean} [browser] - Whether to enable browser globals.
 * @property {Record<string, boolean>} [globals] - Global variables.
 */

/**
 * @typedef {object} HTMLHintRules
 * @property {boolean} [tagname-lowercase] - Tag name lowercase rules.
 * @property {boolean} [attr-lowercase] - Attribute lowercase rules.
 * @property {boolean} [attr-value-double-quotes] - Attribute value double quotes rules.
 * @property {boolean} [doctype-first] - Doctype first rules.
 * @property {boolean} [tag-pair] - Tag pair rules.
 * @property {boolean} [spec-char-escape] - Spec char escape rules.
 * @property {boolean} [id-unique] - ID unique rules.
 * @property {boolean} [src-not-empty] - Src not empty rules.
 * @property {boolean} [attr-no-duplication] - Attribute no duplication rules.
 * @property {boolean} [alt-require] - Alt require rules.
 * @property {string} [space-tab-mixed-disabled] - Space tab mixed disabled rules.
 * @property {boolean} [attr-unsafe-chars] - Attribute unsafe chars rules.
 * @property {JSHintRules} [jshint] - JSHint rules.
 * @property {CSSLintRules} [csslint] - CSSLint rules.
 */

/**
 * Settings for the code editor.
 *
 * @typedef {object} CodeEditorSettings
 *
 * @property {CodeMirrorSettings} [codemirror] - CodeMirror settings.
 * @property {CSSLintRules} [csslint] - CSSLint rules.
 * @property {JSHintRules} [jshint] - JSHint rules.
 * @property {HTMLHintRules} [htmlhint] - HTMLHint rules.
 *
 * @property {(codemirror: CodeMirrorEditor, event: KeyboardEvent|JQuery.KeyDownEvent) => void} [onTabNext] - Callback to handle tabbing to the next tabbable element.
 * @property {(codemirror: CodeMirrorEditor, event: KeyboardEvent|JQuery.KeyDownEvent) => void} [onTabPrevious] - Callback to handle tabbing to the previous tabbable element.
 * @property {(errorAnnotations: LintAnnotation[], annotations: LintAnnotation[], annotationsSorted: LintAnnotation[], cm: CodeMirrorEditor) => void} [onChangeLintingErrors] - Callback for when the linting errors have changed.
 * @property {(errorAnnotations: LintAnnotation[], editor: CodeMirrorEditor) => void} [onUpdateErrorNotice] - Callback for when error notice should be displayed.
 */

/**
 * @typedef {import('codemirror/addon/lint/lint').LintStateOptions<Record<string, unknown>> & JSHintRules & CSSLintRules & { rules?: HTMLHintRules }} CombinedLintOptions
 */

/**
 * @typedef {object} CodeEditorInstance
 * @property {CodeEditorSettings} settings - The code editor settings.
 * @property {CodeMirrorEditor} codemirror - The CodeMirror instance.
 * @property {() => void} updateErrorNotice - Force update the error notice.
 */

/**
 * @typedef {object} WpCodeEditor
 * @property {CodeEditorSettings} defaultSettings - Default settings.
 * @property {(textarea: string|JQuery|Element, settings?: CodeEditorSettings) => CodeEditorInstance} initialize - Initialize.
 */

/**
 * @param {JQueryStatic} $ - jQuery.
 * @param {Object & {
 *   codeEditor: WpCodeEditor,
 *   CodeMirror: typeof import('codemirror'),
 * }} wp - WordPress namespace.
 */
( function( $, wp ) {
	'use strict';

	/**
	 * Default settings for code editor.
	 *
	 * @since 4.9.0
	 * @type {CodeEditorSettings}
	 */
	wp.codeEditor.defaultSettings = {
		codemirror: {},
		csslint: {},
		htmlhint: {},
		jshint: {},
		onTabNext: function() {},
		onTabPrevious: function() {},
		onChangeLintingErrors: function() {},
		onUpdateErrorNotice: function() {},
	};

	/**
	 * Configure linting.
	 *
	 * @param {CodeEditorSettings} settings - Code editor settings.
	 *
	 * @return {LintingController} Linting controller.
	 */
	function configureLinting( settings ) { // eslint-disable-line complexity
		/** @type {LintAnnotation[]} */
		let currentErrorAnnotations = [];

		/** @type {LintAnnotation[]} */
		let previouslyShownErrorAnnotations = [];

		/**
		 * Call the onUpdateErrorNotice if there are new errors to show.
		 *
		 * @param {import('codemirror').Editor} editor - Editor.
		 * @return {void}
		 */
		function updateErrorNotice( editor ) {
			if ( settings.onUpdateErrorNotice && ! _.isEqual( currentErrorAnnotations, previouslyShownErrorAnnotations ) ) {
				settings.onUpdateErrorNotice( currentErrorAnnotations, /** @type {CodeMirrorEditor} */ ( editor ) );
				previouslyShownErrorAnnotations = currentErrorAnnotations;
			}
		}

		/**
		 * Get lint options.
		 *
		 * @return {CombinedLintOptions|false} Lint options.
		 */
		function getLintOptions() { // eslint-disable-line complexity
			/** @type {CombinedLintOptions | boolean} */
			let options = settings.codemirror?.lint ?? false;

			if ( ! options ) {
				return false;
			}

			if ( true === options ) {
				options = {};
			} else if ( _.isObject( options ) ) {
				options = $.extend( {}, options );
			}
			const linterOptions = /** @type {CombinedLintOptions} */ ( options );

			// Configure JSHint.
			if ( 'javascript' === settings.codemirror?.mode && settings.jshint ) {
				$.extend( linterOptions, settings.jshint );
			}

			// Configure CSSLint.
			if ( 'css' === settings.codemirror?.mode && settings.csslint ) {
				$.extend( linterOptions, settings.csslint );
			}

			// Configure HTMLHint.
			if ( 'htmlmixed' === settings.codemirror?.mode && settings.htmlhint ) {
				linterOptions.rules = $.extend( {}, settings.htmlhint );

				if ( settings.jshint && linterOptions.rules ) {
					linterOptions.rules.jshint = settings.jshint;
				}
				if ( settings.csslint && linterOptions.rules ) {
					linterOptions.rules.csslint = settings.csslint;
				}
			}

			// Wrap the onUpdateLinting CodeMirror event to route to onChangeLintingErrors and onUpdateErrorNotice.
			linterOptions.onUpdateLinting = (function( onUpdateLintingOverridden ) {
				/**
				 * @param {LintAnnotation[]} annotations - Annotations.
				 * @param {LintAnnotation[]} annotationsSorted - Sorted annotations.
				 * @param {CodeMirrorEditor} cm - Editor.
				 */
				return function( annotations, annotationsSorted, cm ) {
					const errorAnnotations = annotations.filter( function( annotation ) {
						return 'error' === annotation.severity;
					} );

					if ( onUpdateLintingOverridden ) {
						onUpdateLintingOverridden( annotations, annotationsSorted, cm );
					}

					// Skip if there are no changes to the errors.
					if ( _.isEqual( errorAnnotations, currentErrorAnnotations ) ) {
						return;
					}

					currentErrorAnnotations = errorAnnotations;

					if ( settings.onChangeLintingErrors ) {
						settings.onChangeLintingErrors( errorAnnotations, annotations, annotationsSorted, cm );
					}

					/*
					 * Update notifications when the editor is not focused to prevent error message
					 * from overwhelming the user during input, unless there are now no errors or there
					 * were previously errors shown. In these cases, update immediately so they can know
					 * that they fixed the errors.
					 */
					if ( ! cm.state.focused || 0 === currentErrorAnnotations.length || previouslyShownErrorAnnotations.length > 0 ) {
						updateErrorNotice( cm );
					}
				};
			})( linterOptions.onUpdateLinting );

			return linterOptions;
		}

		return {
			getLintOptions,
			/**
			 * @param {CodeMirrorEditor} editor - Editor instance.
			 * @return {void}
			 */
			init: function( editor ) {
				// Keep lint options populated.
				editor.on( 'optionChange', function( _cm, option ) {
					const gutterName = 'CodeMirror-lint-markers';
					if ( 'lint' !== ( /** @type {string} */ ( option ) ) ) {
						return;
					}
					const gutters = ( /** @type {string[]} */ ( editor.getOption( 'gutters' ) ) ) || [];
					const options = editor.getOption( 'lint' );
					if ( true === options ) {
						if ( ! _.contains( gutters, gutterName ) ) {
							editor.setOption( 'gutters', [ gutterName ].concat( gutters ) );
						}
						editor.setOption( 'lint', getLintOptions() ); // Expand to include linting options.
					} else if ( ! options ) {
						editor.setOption( 'gutters', _.without( gutters, gutterName ) );
					}

					// Force update on error notice to show or hide.
					if ( editor.getOption( 'lint' ) && editor.performLint ) {
						editor.performLint();
					} else {
						currentErrorAnnotations = [];
						updateErrorNotice( editor );
					}
				} );

				// Update error notice when leaving the editor.
				editor.on( 'blur', updateErrorNotice );

				// Work around hint selection with mouse causing focus to leave editor.
				editor.on( 'startCompletion', function() {
					editor.off( 'blur', updateErrorNotice );
				} );
				editor.on( 'endCompletion', function() {
					const editorRefocusWait = 500;
					editor.on( 'blur', updateErrorNotice );

					// Wait for editor to possibly get re-focused after selection.
					_.delay( function() {
						if ( ! editor.state.focused ) {
							updateErrorNotice( editor );
						}
					}, editorRefocusWait );
				} );

				/*
				 * Make sure setting validities are set if the user tries to click Publish
				 * while an autocomplete dropdown is still open. The Customizer will block
				 * saving when a setting has an error notifications on it. This is only
				 * necessary for mouse interactions because keyboards will have already
				 * blurred the field and cause onUpdateErrorNotice to have already been
				 * called.
				 */
				$( document.body ).on( 'mousedown', function( /** @type {JQuery.MouseDownEvent} */ event ) {
					if (
						editor.state.focused &&
						! editor.getWrapperElement().contains( event.target ) &&
						! event.target.classList.contains( 'CodeMirror-hint' )
					) {
						updateErrorNotice( editor );
					}
				} );
			},
			/**
			 * @param {CodeMirrorEditor} editor - Editor instance.
			 * @return {void}
			 */
			updateErrorNotice,
		};
	}

	/**
	 * Configure tabbing.
	 *
	 * @param {CodeMirrorEditor} codemirror - Editor.
	 * @param {CodeEditorSettings} settings - Code editor settings.
	 *
	 * @return {void}
	 */
	function configureTabbing( codemirror, settings ) {
		const $textarea = $( codemirror.getTextArea() );

		codemirror.on( 'blur', function() {
			$textarea.data( 'next-tab-blurs', false );
		});
		codemirror.on( 'keydown', function onKeydown( _editor, event ) {
			// Take note of the ESC keypress so that the next TAB can focus outside the editor.
			if ( 'Escape' === event.key ) {
				$textarea.data( 'next-tab-blurs', true );
				return;
			}

			// Short-circuit if tab key is not being pressed or the tab key press should move focus.
			if ( 'Tab' !== event.key || ! $textarea.data( 'next-tab-blurs' ) ) {
				return;
			}

			// Focus on previous or next focusable item.
			if ( event.shiftKey && settings.onTabPrevious ) {
				settings.onTabPrevious( codemirror, event );
			} else if ( ! event.shiftKey && settings.onTabNext ) {
				settings.onTabNext( codemirror, event );
			}

			// Reset tab state.
			$textarea.data( 'next-tab-blurs', false );

			// Prevent tab character from being added.
			event.preventDefault();
		});
	}

	/**
	 * @typedef {object} LintingController
	 * @property {() => CombinedLintOptions|false} getLintOptions - Get lint options.
	 * @property {(editor: CodeMirrorEditor) => void} init - Initialize.
	 * @property {(editor: import('codemirror').Editor) => void} updateErrorNotice - Update error notice.
	 */

	/**
	 * Initialize Code Editor (CodeMirror) for an existing textarea.
	 *
	 * @since 4.9.0
	 *
	 * @param {string|JQuery<HTMLElement>|HTMLElement} textarea - The HTML id, jQuery object, or DOM Element for the textarea that is used for the editor.
	 * @param {CodeEditorSettings}    [settings] - Settings to override defaults.
	 *
	 * @return {CodeEditorInstance} Instance.
	 */
	wp.codeEditor.initialize = function initialize( textarea, settings ) {
		if ( document.readyState === 'loading' ) {
			console.warn( 'wp.codeEditor.initialize() ran too early. Invoke this function in a `DOMContentLoaded` event listener.' );
		}

		let $textarea;
		if ( 'string' === typeof textarea ) {
			$textarea = $( '#' + textarea );
		} else {
			$textarea = $( textarea );
		}

		/** @type {CodeEditorSettings} */
		const instanceSettings = $.extend( true, {}, wp.codeEditor.defaultSettings, settings );

		const lintingController = configureLinting( instanceSettings );
		if ( instanceSettings.codemirror ) {
			instanceSettings.codemirror.lint = lintingController.getLintOptions();
		}

		const codemirror = /** @type {CodeMirrorEditor} */ ( wp.CodeMirror.fromTextArea( $textarea[0], instanceSettings.codemirror ) );

		lintingController.init( codemirror );

		/** @type {CodeEditorInstance} */
		const instance = {
			settings: instanceSettings,
			codemirror,
			updateErrorNotice: function() {
				lintingController.updateErrorNotice( codemirror );
			},
		};

		if ( codemirror.showHint ) {
			codemirror.on( 'inputRead', function( _editor, change ) {
				// Only trigger autocompletion for typed input or IME composition.
				if ( ! change.origin || ( '+input' !== change.origin && ! change.origin.startsWith( '*compose' ) ) ) {
					return;
				}

				// Only trigger autocompletion for single-character inputs.
				// The text property is an array of strings, one for each line.
				// We check that there is only one line and that line has only one character.
				if ( 1 !== change.text.length || 1 !== change.text[0].length ) {
					return;
				}

				const char = change.text[0];
				const isAlphaKey = /^[a-zA-Z]$/.test( char );
				if ( codemirror.state.completionActive && isAlphaKey ) {
					return;
				}

				// Prevent autocompletion in string literals or comments.
				const token = /** @type {import('codemirror').Token & { state: CodeMirrorTokenState }} */ ( codemirror.getTokenAt( codemirror.getCursor() ) );
				if ( 'string' === token.type || 'comment' === token.type ) {
					return;
				}

				const innerMode = wp.CodeMirror.innerMode( codemirror.getMode(), token.state ).mode.name;
				const doc = codemirror.getDoc();
				const lineBeforeCursor = doc.getLine( doc.getCursor().line ).slice( 0, doc.getCursor().ch );
				let shouldAutocomplete = false;
				if ( 'html' === innerMode || 'xml' === innerMode ) {
					shouldAutocomplete = (
						'<' === char ||
						( '/' === char && 'tag' === token.type ) ||
						( isAlphaKey && 'tag' === token.type ) ||
						( isAlphaKey && 'attribute' === token.type ) ||
						( '=' === char && !! (
							token.state.htmlState?.tagName ||
							token.state.curState?.htmlState?.tagName
						) )
					);
				} else if ( 'css' === innerMode ) {
					shouldAutocomplete =
						isAlphaKey ||
						':' === char ||
						( ' ' === char && /:\s+$/.test( lineBeforeCursor ) );
				} else if ( 'javascript' === innerMode ) {
					shouldAutocomplete = isAlphaKey || '.' === char;
				} else if ( 'clike' === innerMode && 'php' === codemirror.options.mode ) {
					shouldAutocomplete = isAlphaKey && ( 'keyword' === token.type || 'variable' === token.type );
				}
				if ( shouldAutocomplete ) {
					codemirror.showHint( { completeSingle: false } );
				}
			} );
		}

		// Facilitate tabbing out of the editor.
		configureTabbing( codemirror, instanceSettings );

		return instance;
	};

})( jQuery, window.wp );
PK       ! E~�3�<  �<    image-edit.min.jsnu �[���        /*! This file is auto-generated */
!function(c){var s=wp.i18n.__,d=window.imageEdit={iasapi:{},hold:{},postid:"",_view:!1,toggleCropTool:function(t,i,e){var 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i=c("#imgedit-crop-"+o),e=d,a=(""!==t.data.history&&(t=JSON.parse(t.data.history))[t.length-1].hasOwnProperty("c")&&(e.setDisabled(c("#image-undo-"+o),!0),c("#image-undo-"+o).trigger("focus")),i.empty().append(n),t=Math.max(e.hold.w,e.hold.h),a=Math.max(c(n).width(),c(n).height()),e.hold.sizer=a<t?a/t:1,e.initCrop(o,n,i),null!=r&&r(),c("#imgedit-history-"+o).val()&&"0"===c("#imgedit-undone-"+o).val()?c("button.imgedit-submit-btn","#imgedit-panel-"+o).prop("disabled",!1):c("button.imgedit-submit-btn","#imgedit-panel-"+o).prop("disabled",!0),s("Image updated."));e.toggleEditor(o,0),wp.a11y.speak(a,"assertive")}).on("error",function(){var t=s("Could not load the preview image. Please reload the page and try again.");c("#imgedit-crop-"+o).empty().append('<div class="notice notice-error" tabindex="-1" role="alert"><p>'+t+"</p></div>"),i.toggleEditor(o,0,!0),wp.a11y.speak(t,"assertive")}).attr("src",ajaxurl+"?"+c.param(t))},action:function(i,t,e){var a,o,r,n,s=this;if(s.notsaved(i))return!1;if(t={action:"image-editor",_ajax_nonce:t,postid:i},"scale"===e){if(a=c("#imgedit-scale-width-"+i),o=c("#imgedit-scale-height-"+i),r=s.intval(a.val()),n=s.intval(o.val()),r<1)return a.trigger("focus"),!1;if(n<1)return o.trigger("focus"),!1;if(r===s.hold.ow||n===s.hold.oh)return!1;t.do="scale",t.fwidth=r,t.fheight=n}else{if("restore"!==e)return!1;t.do="restore"}s.toggleEditor(i,1),c.post(ajaxurl,t,function(t){c("#image-editor-"+i).empty().append(t.data.html),s.toggleEditor(i,0,!0),s._view&&s._view.refresh()}).done(function(t){t&&t.data.message.msg?wp.a11y.speak(t.data.message.msg):t&&t.data.message.error&&wp.a11y.speak(t.data.message.error)})},save:function(i,t){var e=this.getTarget(i),a=this.filterHistory(i,0),o=this;if(""===a)return!1;this.toggleEditor(i,1),t={action:"image-editor",_ajax_nonce:t,postid:i,history:a,target:e,context:c("#image-edit-context").length?c("#image-edit-context").val():null,do:"save"},c.post(ajaxurl,t,function(t){t.data.error?(c("#imgedit-response-"+i).html('<div class="notice notice-error" tabindex="-1" role="alert"><p>'+t.data.error+"</p></div>"),d.close(i),wp.a11y.speak(t.data.error)):(t.data.fw&&t.data.fh&&c("#media-dims-"+i).html(t.data.fw+" &times; "+t.data.fh),t.data.thumbnail&&c(".thumbnail","#thumbnail-head-"+i).attr("src",""+t.data.thumbnail),t.data.msg&&(c("#imgedit-response-"+i).html('<div class="notice notice-success" tabindex="-1" role="alert"><p>'+t.data.msg+"</p></div>"),wp.a11y.speak(t.data.msg)),o._view?o._view.save():d.close(i))})},open:function(e,t,i){this._view=i;var a=c("#image-editor-"+e),o=c("#media-head-"+e),r=c("#imgedit-open-btn-"+e),n=r.siblings(".spinner");if(!r.hasClass("button-activated"))return n.addClass("is-active"),c.ajax({url:ajaxurl,type:"post",data:{action:"image-editor",_ajax_nonce:t,postid:e,do:"open"},beforeSend:function(){r.addClass("button-activated")}}).done(function(t){var i;"-1"===t&&(i=s("Could not load the preview image."),a.html('<div class="notice notice-error" tabindex="-1" role="alert"><p>'+i+"</p></div>")),t.data&&t.data.html&&a.html(t.data.html),o.fadeOut("fast",function(){a.fadeIn("fast",function(){i&&c(document).trigger("image-editor-ui-ready")}),r.removeClass("button-activated"),n.removeClass("is-active")}),d.init(e)})},imgLoaded:function(t){var i=c("#image-preview-"+t),e=c("#imgedit-crop-"+t);void 0===this.hold.sizer&&this.init(t),this.calculateImgSize(t),this.initCrop(t,i,e),this.setCropSelection(t,{x1:0,y1:0,x2:0,y2:0,width:i.innerWidth(),height:i.innerHeight()}),this.toggleEditor(t,0,!0)},focusManager:function(){setTimeout(function(){var t=c('.notice[role="alert"]');(t=t.length?t:c(".imgedit-wrap").find(":tabbable:first")).attr("tabindex","-1").trigger("focus")},100)},initCrop:function(r,t,i){var n=this,o=c("#imgedit-sel-width-"+r),s=c("#imgedit-sel-height-"+r),t=c(t);t.data("imgAreaSelect")||(n.iasapi=t.imgAreaSelect({parent:i,instance:!0,handles:!0,keys:!0,minWidth:3,minHeight:3,onInit:function(t){c(t).next().css("position","absolute").nextAll(".imgareaselect-outer").css("position","absolute"),i.children().on("mousedown touchstart",function(t){var i=!1,e=n.iasapi.getSelection(),a=n.intval(c("#imgedit-crop-width-"+r).val()),o=n.intval(c("#imgedit-crop-height-"+r).val());a&&o?i=n.getSelRatio(r):t.shiftKey&&e&&e.width&&e.height&&(i=e.width+":"+e.height),n.iasapi.setOptions({aspectRatio:i})})},onSelectStart:function(){d.setDisabled(c("#imgedit-crop-sel-"+r),1),d.setDisabled(c(".imgedit-crop-clear"),1),d.setDisabled(c(".imgedit-crop-apply"),1)},onSelectEnd:function(t,i){d.setCropSelection(r,i),c("#imgedit-crop > *").is(":visible")||d.toggleControls(c(".imgedit-crop.button"))},onSelectChange:function(t,i){var e=d.hold.sizer,a=d.currentCropSelection;null!=a&&a.width==i.width&&a.height==i.height||(o.val(Math.min(d.hold.w,d.round(i.width/e))),s.val(Math.min(d.hold.h,d.round(i.height/e))),n.currentCropSelection=i)}}))},setCropSelection:function(t,i){var e=c("#imgedit-sel-width-"+t),a=c("#imgedit-sel-height-"+t),o=this.hold.sizer,r=this.hold;if(!(i=i||0)||i.width<3&&i.height<3)return this.setDisabled(c(".imgedit-crop","#imgedit-panel-"+t),1),this.setDisabled(c("#imgedit-crop-sel-"+t),1),c("#imgedit-sel-width-"+t).val(""),c("#imgedit-sel-height-"+t).val(""),c("#imgedit-start-x-"+t).val("0"),c("#imgedit-start-y-"+t).val("0"),c("#imgedit-selection-"+t).val(""),!1;var n=r.w-(Math.round(i.x1/o)+parseInt(e.val())),r=r.h-(Math.round(i.y1/o)+parseInt(a.val())),n={r:1,x:Math.round(i.x1/o)+Math.min(0,n),y:Math.round(i.y1/o)+Math.min(0,r),w:e.val(),h:a.val()};this.setDisabled(c(".imgedit-crop","#imgedit-panel-"+t),1),c("#imgedit-selection-"+t).val(JSON.stringify(n))},close:function(t,i){if((i=i||!1)&&this.notsaved(t))return!1;this.iasapi={},this.hold={},this._view?this._view.back():c("#image-editor-"+t).fadeOut("fast",function(){c("#media-head-"+t).fadeIn("fast",function(){c("#imgedit-open-btn-"+t).trigger("focus")}),c(this).empty()})},notsaved:function(t){var i=c("#imgedit-history-"+t).val(),i=""!==i?JSON.parse(i):[];return this.intval(c("#imgedit-undone-"+t).val())<i.length&&!confirm(c("#imgedit-leaving-"+t).text())},addStep:function(t,i,e){for(var a=this,o=c("#imgedit-history-"+i),r=""!==o.val()?JSON.parse(o.val()):[],n=c("#imgedit-undone-"+i),s=a.intval(n.val());0<s;)r.pop(),s--;n.val(0),r.push(t),o.val(JSON.stringify(r)),a.refreshEditor(i,e,function(){a.setDisabled(c("#image-undo-"+i),!0),a.setDisabled(c("#image-redo-"+i),!1)})},rotate:function(t,i,e,a){if(c(a).hasClass("disabled"))return!1;this.closePopup(a),this.addStep({r:{r:t,fw:this.hold.h,fh:this.hold.w}},i,e),c("#imgedit-sel-width-"+i).val(""),c("#imgedit-sel-height-"+i).val(""),this.currentCropSelection=null},flip:function(t,i,e,a){if(c(a).hasClass("disabled"))return!1;this.closePopup(a),this.addStep({f:{f:t,fw:this.hold.w,fh:this.hold.h}},i,e),c("#imgedit-sel-width-"+i).val(""),c("#imgedit-sel-height-"+i).val(""),this.currentCropSelection=null},crop:function(t,i,e){var a=c("#imgedit-selection-"+t).val(),o=this.intval(c("#imgedit-sel-width-"+t).val()),r=this.intval(c("#imgedit-sel-height-"+t).val());if(c(e).hasClass("disabled")||""===a)return!1;0<(a=JSON.parse(a)).w&&0<a.h&&0<o&&0<r&&(a.fw=o,a.fh=r,this.addStep({c:a},t,i)),c("#imgedit-sel-width-"+t).val(""),c("#imgedit-sel-height-"+t).val(""),c("#imgedit-start-x-"+t).val("0"),c("#imgedit-start-y-"+t).val("0"),this.currentCropSelection=null},undo:function(i,t){var e=this,a=c("#image-undo-"+i),o=c("#imgedit-undone-"+i),r=e.intval(o.val())+1;a.hasClass("disabled")||(o.val(r),e.refreshEditor(i,t,function(){var t=c("#imgedit-history-"+i),t=""!==t.val()?JSON.parse(t.val()):[];e.setDisabled(c("#image-redo-"+i),!0),e.setDisabled(a,r<t.length),t.length===r&&c("#image-redo-"+i).trigger("focus")}))},redo:function(t,i){var e=this,a=c("#image-redo-"+t),o=c("#imgedit-undone-"+t),r=e.intval(o.val())-1;a.hasClass("disabled")||(o.val(r),e.refreshEditor(t,i,function(){e.setDisabled(c("#image-undo-"+t),!0),e.setDisabled(a,0<r),0==r&&c("#image-undo-"+t).trigger("focus")}))},setNumSelection:function(t,i){var e=c("#imgedit-sel-width-"+t),a=c("#imgedit-sel-height-"+t),o=c("#imgedit-start-x-"+t),r=c("#imgedit-start-y-"+t),o=this.intval(o.val()),r=this.intval(r.val()),n=this.intval(e.val()),s=this.intval(a.val()),d=c("#image-preview-"+t),l=d.height(),d=d.width(),h=this.hold.sizer,g=this.iasapi;if(this.currentCropSelection=null,!1!==this.validateNumeric(i))return n<1?(e.val(""),!1):s<1?(a.val(""),!1):void((n&&s||o&&r)&&(i=g.getSelection())&&(n=i.x1+Math.round(n*h),s=i.y1+Math.round(s*h),o=o===i.x1?i.x1:Math.round(o*h),i=r===i.y1?i.y1:Math.round(r*h),d<n&&(o=0,n=d,e.val(Math.min(this.hold.w,Math.round(n/h)))),l<s&&(i=0,s=l,a.val(Math.min(this.hold.h,Math.round(s/h)))),g.setSelection(o,i,n,s),g.update(),this.setCropSelection(t,g.getSelection()),this.currentCropSelection=g.getSelection()))},round:function(t){var i;return t=Math.round(t),.6<this.hold.sizer?t:"1"===(i=t.toString().slice(-1))?t-1:"9"===i?t+1:t},setRatioSelection:function(t,i,e){var a=this.intval(c("#imgedit-crop-width-"+t).val()),o=this.intval(c("#imgedit-crop-height-"+t).val()),r=c("#image-preview-"+t).height();!1===this.validateNumeric(e)?this.iasapi.setOptions({aspectRatio:null}):a&&o&&(this.iasapi.setOptions({aspectRatio:a+":"+o}),e=this.iasapi.getSelection(!0))&&(r<(a=Math.ceil(e.y1+(e.x2-e.x1)/(a/o)))?(a=r,o=s("Selected crop ratio exceeds the boundaries of the image. 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jQuery(function(n){var e=n("#language"),a=n("#language-continue");n("body").hasClass("language-chooser")&&(e.trigger("focus").on("change",function(){var n=e.children("option:selected");a.attr({value:n.data("continue"),lang:n.attr("lang")})}),n("form").on("submit",function(){e.children("option:selected").data("installed")||n(this).find(".step .spinner").css("visibility","visible")}))});PK       ! �<��n�  n�    editor-expand.jsnu �[���        /**
 * @output wp-admin/js/editor-expand.js
 */

( function( window, $, undefined ) {
	'use strict';

	var $window = $( window ),
		$document = $( document ),
		$adminBar = $( '#wpadminbar' ),
		$footer = $( '#wpfooter' );

	/**
	 * Handles the resizing of the editor.
	 *
	 * @since 4.0.0
	 *
	 * @return {void}
	 */
	$( function() {
		var $wrap = $( '#postdivrich' ),
			$contentWrap = $( '#wp-content-wrap' ),
			$tools = $( '#wp-content-editor-tools' ),
			$visualTop = $(),
			$visualEditor = $(),
			$textTop = $( '#ed_toolbar' ),
			$textEditor = $( '#content' ),
			textEditor = $textEditor[0],
			oldTextLength = 0,
			$bottom = $( '#post-status-info' ),
			$menuBar = $(),
			$statusBar = $(),
			$sideSortables = $( '#side-sortables' ),
			$postboxContainer = $( '#postbox-container-1' ),
			$postBody = $('#post-body'),
			fullscreen = window.wp.editor && window.wp.editor.fullscreen,
			mceEditor,
			mceBind = function(){},
			mceUnbind = function(){},
			fixedTop = false,
			fixedBottom = false,
			fixedSideTop = false,
			fixedSideBottom = false,
			scrollTimer,
			lastScrollPosition = 0,
			pageYOffsetAtTop = 130,
			pinnedToolsTop = 56,
			sidebarBottom = 20,
			autoresizeMinHeight = 300,
			initialMode = $contentWrap.hasClass( 'tmce-active' ) ? 'tinymce' : 'html',
			advanced = !! parseInt( window.getUserSetting( 'hidetb' ), 10 ),
			// These are corrected when adjust() runs, except on scrolling if already set.
			heights = {
				windowHeight: 0,
				windowWidth: 0,
				adminBarHeight: 0,
				toolsHeight: 0,
				menuBarHeight: 0,
				visualTopHeight: 0,
				textTopHeight: 0,
				bottomHeight: 0,
				statusBarHeight: 0,
				sideSortablesHeight: 0
			};

		/**
		 * Resizes textarea based on scroll height and width.
		 *
		 * Doesn't shrink the editor size below the 300px auto resize minimum height.
		 *
		 * @since 4.6.1
		 *
		 * @return {void}
		 */
		var shrinkTextarea = window._.throttle( function() {
			var x = window.scrollX || document.documentElement.scrollLeft;
			var y = window.scrollY || document.documentElement.scrollTop;
			var height = parseInt( textEditor.style.height, 10 );

			textEditor.style.height = autoresizeMinHeight + 'px';

			if ( textEditor.scrollHeight > autoresizeMinHeight ) {
				textEditor.style.height = textEditor.scrollHeight + 'px';
			}

			if ( typeof x !== 'undefined' ) {
				window.scrollTo( x, y );
			}

			if ( textEditor.scrollHeight < height ) {
				adjust();
			}
		}, 300 );

		/**
		 * Resizes the text editor depending on the old text length.
		 *
		 * If there is an mceEditor and it is hidden, it resizes the editor depending
		 * on the old text length. If the current length of the text is smaller than
		 * the old text length, it shrinks the text area. Otherwise it resizes the editor to
		 * the scroll height.
		 *
		 * @since 4.6.1
		 *
		 * @return {void}
		 */
		function textEditorResize() {
			var length = textEditor.value.length;

			if ( mceEditor && ! mceEditor.isHidden() ) {
				return;
			}

			if ( ! mceEditor && initialMode === 'tinymce' ) {
				return;
			}

			if ( length < oldTextLength ) {
				shrinkTextarea();
			} else if ( parseInt( textEditor.style.height, 10 ) < textEditor.scrollHeight ) {
				textEditor.style.height = Math.ceil( textEditor.scrollHeight ) + 'px';
				adjust();
			}

			oldTextLength = length;
		}

		/**
		 * Gets the height and widths of elements.
		 *
		 * Gets the heights of the window, the adminbar, the tools, the menu,
		 * the visualTop, the textTop, the bottom, the statusbar and sideSortables
		 * and stores these in the heights object. Defaults to 0.
		 * Gets the width of the window and stores this in the heights object.
		 *
		 * @since 4.0.0
		 *
		 * @return {void}
		 */
		function getHeights() {
			var windowWidth = $window.width();

			heights = {
				windowHeight: $window.height(),
				windowWidth: windowWidth,
				adminBarHeight: ( windowWidth > 600 ? $adminBar.outerHeight() : 0 ),
				toolsHeight: $tools.outerHeight() || 0,
				menuBarHeight: $menuBar.outerHeight() || 0,
				visualTopHeight: $visualTop.outerHeight() || 0,
				textTopHeight: $textTop.outerHeight() || 0,
				bottomHeight: $bottom.outerHeight() || 0,
				statusBarHeight: $statusBar.outerHeight() || 0,
				sideSortablesHeight: $sideSortables.height() || 0
			};

			// Adjust for hidden menubar.
			if ( heights.menuBarHeight < 3 ) {
				heights.menuBarHeight = 0;
			}
		}

		// We need to wait for TinyMCE to initialize.
		/**
		 * Binds all necessary functions for editor expand to the editor when the editor
		 * is initialized.
		 *
		 * @since 4.0.0
		 *
		 * @param {event} event The TinyMCE editor init event.
		 * @param {object} editor The editor to bind the vents on.
		 *
		 * @return {void}
		 */
		$document.on( 'tinymce-editor-init.editor-expand', function( event, editor ) {
			// VK contains the type of key pressed. VK = virtual keyboard.
			var VK = window.tinymce.util.VK,
				/**
				 * Hides any float panel with a hover state. Additionally hides tooltips.
				 *
				 * @return {void}
				 */
				hideFloatPanels = _.debounce( function() {
					! $( '.mce-floatpanel:hover' ).length && window.tinymce.ui.FloatPanel.hideAll();
					$( '.mce-tooltip' ).hide();
				}, 1000, true );

			// Make sure it's the main editor.
			if ( editor.id !== 'content' ) {
				return;
			}

			// Copy the editor instance.
			mceEditor = editor;

			// Set the minimum height to the initial viewport height.
			editor.settings.autoresize_min_height = autoresizeMinHeight;

			// Get the necessary UI elements.
			$visualTop = $contentWrap.find( '.mce-toolbar-grp' );
			$visualEditor = $contentWrap.find( '.mce-edit-area' );
			$statusBar = $contentWrap.find( '.mce-statusbar' );
			$menuBar = $contentWrap.find( '.mce-menubar' );

			/**
			 * Gets the offset of the editor.
			 *
			 * @return {number|boolean} Returns the offset of the editor
			 * or false if there is no offset height.
			 */
			function mceGetCursorOffset() {
				var node = editor.selection.getNode(),
					range, view, offset;

				/*
				 * If editor.wp.getView and the selection node from the editor selection
				 * are defined, use this as a view for the offset.
				 */
				if ( editor.wp && editor.wp.getView && ( view = editor.wp.getView( node ) ) ) {
					offset = view.getBoundingClientRect();
				} else {
					range = editor.selection.getRng();

					// Try to get the offset from a range.
					try {
						offset = range.getClientRects()[0];
					} catch( er ) {}

					// Get the offset from the bounding client rectangle of the node.
					if ( ! offset ) {
						offset = node.getBoundingClientRect();
					}
				}

				return offset.height ? offset : false;
			}

			/**
			 * Filters the special keys that should not be used for scrolling.
			 *
			 * @since 4.0.0
			 *
			 * @param {event} event The event to get the key code from.
			 *
			 * @return {void}
			 */
			function mceKeyup( event ) {
				var key = event.keyCode;

				// Bail on special keys. Key code 47 is a '/'.
				if ( key <= 47 && ! ( key === VK.SPACEBAR || key === VK.ENTER || key === VK.DELETE || key === VK.BACKSPACE || key === VK.UP || key === VK.LEFT || key === VK.DOWN || key === VK.UP ) ) {
					return;
				// OS keys, function keys, num lock, scroll lock. Key code 91-93 are OS keys.
				// Key code 112-123 are F1 to F12. Key code 144 is num lock. Key code 145 is scroll lock.
				} else if ( ( key >= 91 && key <= 93 ) || ( key >= 112 && key <= 123 ) || key === 144 || key === 145 ) {
					return;
				}

				mceScroll( key );
			}

			/**
			 * Makes sure the cursor is always visible in the editor.
			 *
			 * Makes sure the cursor is kept between the toolbars of the editor and scrolls
			 * the window when the cursor moves out of the viewport to a wpview.
			 * Setting a buffer > 0 will prevent the browser default.
			 * Some browsers will scroll to the middle,
			 * others to the top/bottom of the *window* when moving the cursor out of the viewport.
			 *
			 * @since 4.1.0
			 *
			 * @param {string} key The key code of the pressed key.
			 *
			 * @return {void}
			 */
			function mceScroll( key ) {
				var offset = mceGetCursorOffset(),
					buffer = 50,
					cursorTop, cursorBottom, editorTop, editorBottom;

				// Don't scroll if there is no offset.
				if ( ! offset ) {
					return;
				}

				// Determine the cursorTop based on the offset and the top of the editor iframe.
				cursorTop = offset.top + editor.iframeElement.getBoundingClientRect().top;

				// Determine the cursorBottom based on the cursorTop and offset height.
				cursorBottom = cursorTop + offset.height;

				// Subtract the buffer from the cursorTop.
				cursorTop = cursorTop - buffer;

				// Add the buffer to the cursorBottom.
				cursorBottom = cursorBottom + buffer;
				editorTop = heights.adminBarHeight + heights.toolsHeight + heights.menuBarHeight + heights.visualTopHeight;

				/*
				 * Set the editorBottom based on the window Height, and add the bottomHeight and statusBarHeight if the
				 * advanced editor is enabled.
				 */
				editorBottom = heights.windowHeight - ( advanced ? heights.bottomHeight + heights.statusBarHeight : 0 );

				// Don't scroll if the node is taller than the visible part of the editor.
				if ( editorBottom - editorTop < offset.height ) {
					return;
				}

				/*
				 * If the cursorTop is smaller than the editorTop and the up, left
				 * or backspace key is pressed, scroll the editor to the position defined
				 * by the cursorTop, pageYOffset and editorTop.
				 */
				if ( cursorTop < editorTop && ( key === VK.UP || key === VK.LEFT || key === VK.BACKSPACE ) ) {
					window.scrollTo( window.pageXOffset, cursorTop + window.pageYOffset - editorTop );

				/*
				 * If any other key is pressed or the cursorTop is bigger than the editorTop,
				 * scroll the editor to the position defined by the cursorBottom,
				 * pageYOffset and editorBottom.
				 */
				} else if ( cursorBottom > editorBottom ) {
					window.scrollTo( window.pageXOffset, cursorBottom + window.pageYOffset - editorBottom );
				}
			}

			/**
			 * If the editor is fullscreen, calls adjust.
			 *
			 * @since 4.1.0
			 *
			 * @param {event} event The FullscreenStateChanged event.
			 *
			 * @return {void}
			 */
			function mceFullscreenToggled( event ) {
				// event.state is true if the editor is fullscreen.
				if ( ! event.state ) {
					adjust();
				}
			}

			/**
			 * Shows the editor when scrolled.
			 *
			 * Binds the hideFloatPanels function on the window scroll.mce-float-panels event.
			 * Executes the wpAutoResize on the active editor.
			 *
			 * @since 4.0.0
			 *
			 * @return {void}
			 */
			function mceShow() {
				$window.on( 'scroll.mce-float-panels', hideFloatPanels );

				setTimeout( function() {
					editor.execCommand( 'wpAutoResize' );
					adjust();
				}, 300 );
			}

			/**
			 * Resizes the editor.
			 *
			 * Removes all functions from the window scroll.mce-float-panels event.
			 * Resizes the text editor and scrolls to a position based on the pageXOffset and adminBarHeight.
			 *
			 * @since 4.0.0
			 *
			 * @return {void}
			 */
			function mceHide() {
				$window.off( 'scroll.mce-float-panels' );

				setTimeout( function() {
					var top = $contentWrap.offset().top;

					if ( window.pageYOffset > top ) {
						window.scrollTo( window.pageXOffset, top - heights.adminBarHeight );
					}

					textEditorResize();
					adjust();
				}, 100 );

				adjust();
			}

			/**
			 * Toggles advanced states.
			 *
			 * @since 4.1.0
			 *
			 * @return {void}
			 */
			function toggleAdvanced() {
				advanced = ! advanced;
			}

			/**
			 * Binds events of the editor and window.
			 *
			 * @since 4.0.0
			 *
			 * @return {void}
			 */
			mceBind = function() {
				editor.on( 'keyup', mceKeyup );
				editor.on( 'show', mceShow );
				editor.on( 'hide', mceHide );
				editor.on( 'wp-toolbar-toggle', toggleAdvanced );

				// Adjust when the editor resizes.
				editor.on( 'setcontent wp-autoresize wp-toolbar-toggle', adjust );

				// Don't hide the caret after undo/redo.
				editor.on( 'undo redo', mceScroll );

				// Adjust when exiting TinyMCE's fullscreen mode.
				editor.on( 'FullscreenStateChanged', mceFullscreenToggled );

				$window.off( 'scroll.mce-float-panels' ).on( 'scroll.mce-float-panels', hideFloatPanels );
			};

			/**
			 * Unbinds the events of the editor and window.
			 *
			 * @since 4.0.0
			 *
			 * @return {void}
			 */
			mceUnbind = function() {
				editor.off( 'keyup', mceKeyup );
				editor.off( 'show', mceShow );
				editor.off( 'hide', mceHide );
				editor.off( 'wp-toolbar-toggle', toggleAdvanced );
				editor.off( 'setcontent wp-autoresize wp-toolbar-toggle', adjust );
				editor.off( 'undo redo', mceScroll );
				editor.off( 'FullscreenStateChanged', mceFullscreenToggled );

				$window.off( 'scroll.mce-float-panels' );
			};

			if ( $wrap.hasClass( 'wp-editor-expand' ) ) {

				// Adjust "immediately".
				mceBind();
				initialResize( adjust );
			}
		} );

		/**
		 * Adjusts the toolbars heights and positions.
		 *
		 * Adjusts the toolbars heights and positions based on the scroll position on
		 * the page, the active editor mode and the heights of the editor, admin bar and
		 * side bar.
		 *
		 * @since 4.0.0
		 *
		 * @param {event} event The event that calls this function.
		 *
		 * @return {void}
		 */
		function adjust( event ) {

			// Makes sure we're not in fullscreen mode.
			if ( fullscreen && fullscreen.settings.visible ) {
				return;
			}

			var windowPos = $window.scrollTop(),
				type = event && event.type,
				resize = type !== 'scroll',
				visual = mceEditor && ! mceEditor.isHidden(),
				buffer = autoresizeMinHeight,
				postBodyTop = $postBody.offset().top,
				borderWidth = 1,
				contentWrapWidth = $contentWrap.width(),
				$top, $editor, sidebarTop, footerTop, canPin,
				topPos, topHeight, editorPos, editorHeight;

			/*
			 * Refresh the heights if type isn't 'scroll'
			 * or heights.windowHeight isn't set.
			 */
			if ( resize || ! heights.windowHeight ) {
				getHeights();
			}

			// Resize on resize event when the editor is in text mode.
			if ( ! visual && type === 'resize' ) {
				textEditorResize();
			}

			if ( visual ) {
				$top = $visualTop;
				$editor = $visualEditor;
				topHeight = heights.visualTopHeight;
			} else {
				$top = $textTop;
				$editor = $textEditor;
				topHeight = heights.textTopHeight;
			}

			// Return if TinyMCE is still initializing.
			if ( ! visual && ! $top.length ) {
				return;
			}

			topPos = $top.parent().offset().top;
			editorPos = $editor.offset().top;
			editorHeight = $editor.outerHeight();

			/*
			 * If in visual mode, checks if the editorHeight is greater than the autoresizeMinHeight + topHeight.
			 * If not in visual mode, checks if the editorHeight is greater than the autoresizeMinHeight + 20.
			 */
			canPin = visual ? autoresizeMinHeight + topHeight : autoresizeMinHeight + 20; // 20px from textarea padding.
			canPin = editorHeight > ( canPin + 5 );

			if ( ! canPin ) {
				if ( resize ) {
					$tools.css( {
						position: 'absolute',
						top: 0,
						width: contentWrapWidth
					} );

					if ( visual && $menuBar.length ) {
						$menuBar.css( {
							position: 'absolute',
							top: 0,
							width: contentWrapWidth - ( borderWidth * 2 )
						} );
					}

					$top.css( {
						position: 'absolute',
						top: heights.menuBarHeight,
						width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
					} );

					$statusBar.attr( 'style', advanced ? '' : 'visibility: hidden;' );
					$bottom.attr( 'style', '' );
				}
			} else {
				// Check if the top is not already in a fixed position.
				if ( ( ! fixedTop || resize ) &&
					( windowPos >= ( topPos - heights.toolsHeight - heights.adminBarHeight ) &&
					windowPos <= ( topPos - heights.toolsHeight - heights.adminBarHeight + editorHeight - buffer ) ) ) {
					fixedTop = true;

					$tools.css( {
						position: 'fixed',
						top: heights.adminBarHeight,
						width: contentWrapWidth
					} );

					if ( visual && $menuBar.length ) {
						$menuBar.css( {
							position: 'fixed',
							top: heights.adminBarHeight + heights.toolsHeight,
							width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
						} );
					}

					$top.css( {
						position: 'fixed',
						top: heights.adminBarHeight + heights.toolsHeight + heights.menuBarHeight,
						width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
					} );
					// Check if the top is already in a fixed position.
				} else if ( fixedTop || resize ) {
					if ( windowPos <= ( topPos - heights.toolsHeight - heights.adminBarHeight ) ) {
						fixedTop = false;

						$tools.css( {
							position: 'absolute',
							top: 0,
							width: contentWrapWidth
						} );

						if ( visual && $menuBar.length ) {
							$menuBar.css( {
								position: 'absolute',
								top: 0,
								width: contentWrapWidth - ( borderWidth * 2 )
							} );
						}

						$top.css( {
							position: 'absolute',
							top: heights.menuBarHeight,
							width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
						} );
					} else if ( windowPos >= ( topPos - heights.toolsHeight - heights.adminBarHeight + editorHeight - buffer ) ) {
						fixedTop = false;

						$tools.css( {
							position: 'absolute',
							top: editorHeight - buffer,
							width: contentWrapWidth
						} );

						if ( visual && $menuBar.length ) {
							$menuBar.css( {
								position: 'absolute',
								top: editorHeight - buffer,
								width: contentWrapWidth - ( borderWidth * 2 )
							} );
						}

						$top.css( {
							position: 'absolute',
							top: editorHeight - buffer + heights.menuBarHeight,
							width: contentWrapWidth - ( borderWidth * 2 ) - ( visual ? 0 : ( $top.outerWidth() - $top.width() ) )
						} );
					}
				}

				// Check if the bottom is not already in a fixed position.
				if ( ( ! fixedBottom || ( resize && advanced ) ) &&
						// Add borderWidth for the border around the .wp-editor-container.
						( windowPos + heights.windowHeight ) <= ( editorPos + editorHeight + heights.bottomHeight + heights.statusBarHeight + borderWidth ) ) {

					if ( event && event.deltaHeight > 0 && event.deltaHeight < 100 ) {
						window.scrollBy( 0, event.deltaHeight );
					} else if ( visual && advanced ) {
						fixedBottom = true;

						$statusBar.css( {
							position: 'fixed',
							bottom: heights.bottomHeight,
							visibility: '',
							width: contentWrapWidth - ( borderWidth * 2 )
						} );

						$bottom.css( {
							position: 'fixed',
							bottom: 0,
							width: contentWrapWidth
						} );
					}
				} else if ( ( ! advanced && fixedBottom ) ||
						( ( fixedBottom || resize ) &&
						( windowPos + heights.windowHeight ) > ( editorPos + editorHeight + heights.bottomHeight + heights.statusBarHeight - borderWidth ) ) ) {
					fixedBottom = false;

					$statusBar.attr( 'style', advanced ? '' : 'visibility: hidden;' );
					$bottom.attr( 'style', '' );
				}
			}

			// The postbox container is positioned with @media from CSS. Ensure it is pinned on the side.
			if ( $postboxContainer.width() < 300 && heights.windowWidth > 600 &&

				// Check if the sidebar is not taller than the document height.
				$document.height() > ( $sideSortables.height() + postBodyTop + 120 ) &&

				// Check if the editor is taller than the viewport.
				heights.windowHeight < editorHeight ) {

				if ( ( heights.sideSortablesHeight + pinnedToolsTop + sidebarBottom ) > heights.windowHeight || fixedSideTop || fixedSideBottom ) {

					// Reset the sideSortables style when scrolling to the top.
					if ( windowPos + pinnedToolsTop <= postBodyTop ) {
						$sideSortables.attr( 'style', '' );
						fixedSideTop = fixedSideBottom = false;
					} else {

						// When scrolling down.
						if ( windowPos > lastScrollPosition ) {
							if ( fixedSideTop ) {

								// Let it scroll.
								fixedSideTop = false;
								sidebarTop = $sideSortables.offset().top - heights.adminBarHeight;
								footerTop = $footer.offset().top;

								// Don't get over the footer.
								if ( footerTop < sidebarTop + heights.sideSortablesHeight + sidebarBottom ) {
									sidebarTop = footerTop - heights.sideSortablesHeight - 12;
								}

								$sideSortables.css({
									position: 'absolute',
									top: sidebarTop,
									bottom: ''
								});
							} else if ( ! fixedSideBottom && heights.sideSortablesHeight + $sideSortables.offset().top + sidebarBottom < windowPos + heights.windowHeight ) {
								// Pin the bottom.
								fixedSideBottom = true;

								$sideSortables.css({
									position: 'fixed',
									top: 'auto',
									bottom: sidebarBottom
								});
							}

						// When scrolling up.
						} else if ( windowPos < lastScrollPosition ) {
							if ( fixedSideBottom ) {
								// Let it scroll.
								fixedSideBottom = false;
								sidebarTop = $sideSortables.offset().top - sidebarBottom;
								footerTop = $footer.offset().top;

								// Don't get over the footer.
								if ( footerTop < sidebarTop + heights.sideSortablesHeight + sidebarBottom ) {
									sidebarTop = footerTop - heights.sideSortablesHeight - 12;
								}

								$sideSortables.css({
									position: 'absolute',
									top: sidebarTop,
									bottom: ''
								});
							} else if ( ! fixedSideTop && $sideSortables.offset().top >= windowPos + pinnedToolsTop ) {
								// Pin the top.
								fixedSideTop = true;

								$sideSortables.css({
									position: 'fixed',
									top: pinnedToolsTop,
									bottom: ''
								});
							}
						}
					}
				} else {
					// If the sidebar container is smaller than the viewport, then pin/unpin the top when scrolling.
					if ( windowPos >= ( postBodyTop - pinnedToolsTop ) ) {

						$sideSortables.css( {
							position: 'fixed',
							top: pinnedToolsTop
						} );
					} else {
						$sideSortables.attr( 'style', '' );
					}

					fixedSideTop = fixedSideBottom = false;
				}

				lastScrollPosition = windowPos;
			} else {
				$sideSortables.attr( 'style', '' );
				fixedSideTop = fixedSideBottom = false;
			}

			if ( resize ) {
				$contentWrap.css( {
					paddingTop: heights.toolsHeight
				} );

				if ( visual ) {
					$visualEditor.css( {
						paddingTop: heights.visualTopHeight + heights.menuBarHeight
					} );
				} else {
					$textEditor.css( {
						marginTop: heights.textTopHeight
					} );
				}
			}
		}

		/**
		 * Resizes the editor and adjusts the toolbars.
		 *
		 * @since 4.0.0
		 *
		 * @return {void}
		 */
		function fullscreenHide() {
			textEditorResize();
			adjust();
		}

		/**
		 * Runs the passed function with 500ms intervals.
		 *
		 * @since 4.0.0
		 *
		 * @param {function} callback The function to run in the timeout.
		 *
		 * @return {void}
		 */
		function initialResize( callback ) {
			for ( var i = 1; i < 6; i++ ) {
				setTimeout( callback, 500 * i );
			}
		}

		/**
		 * Runs adjust after 100ms.
		 *
		 * @since 4.0.0
		 *
		 * @return {void}
		 */
		function afterScroll() {
			clearTimeout( scrollTimer );
			scrollTimer = setTimeout( adjust, 100 );
		}

		/**
		 * Binds editor expand events on elements.
		 *
		 * @since 4.0.0
		 *
		 * @return {void}
		 */
		function on() {
			/*
			 * Scroll to the top when triggering this from JS.
			 * Ensure the toolbars are pinned properly.
			 */
			if ( window.pageYOffset && window.pageYOffset > pageYOffsetAtTop ) {
				window.scrollTo( window.pageXOffset, 0 );
			}

			$wrap.addClass( 'wp-editor-expand' );

			// Adjust when the window is scrolled or resized.
			$window.on( 'scroll.editor-expand resize.editor-expand', function( event ) {
				adjust( event.type );
				afterScroll();
			} );

			/*
		 	 * Adjust when collapsing the menu, changing the columns
		 	 * or changing the body class.
			 */
			$document.on( 'wp-collapse-menu.editor-expand postboxes-columnchange.editor-expand editor-classchange.editor-expand', adjust )
				.on( 'postbox-toggled.editor-expand postbox-moved.editor-expand', function() {
					if ( ! fixedSideTop && ! fixedSideBottom && window.pageYOffset > pinnedToolsTop ) {
						fixedSideBottom = true;
						window.scrollBy( 0, -1 );
						adjust();
						window.scrollBy( 0, 1 );
					}

					adjust();
				}).on( 'wp-window-resized.editor-expand', function() {
					if ( mceEditor && ! mceEditor.isHidden() ) {
						mceEditor.execCommand( 'wpAutoResize' );
					} else {
						textEditorResize();
					}
				});

			$textEditor.on( 'focus.editor-expand input.editor-expand propertychange.editor-expand', textEditorResize );
			mceBind();

			// Adjust when entering or exiting fullscreen mode.
			fullscreen && fullscreen.pubsub.subscribe( 'hidden', fullscreenHide );

			if ( mceEditor ) {
				mceEditor.settings.wp_autoresize_on = true;
				mceEditor.execCommand( 'wpAutoResizeOn' );

				if ( ! mceEditor.isHidden() ) {
					mceEditor.execCommand( 'wpAutoResize' );
				}
			}

			if ( ! mceEditor || mceEditor.isHidden() ) {
				textEditorResize();
			}

			adjust();

			$document.trigger( 'editor-expand-on' );
		}

		/**
		 * Unbinds editor expand events.
		 *
		 * @since 4.0.0
		 *
		 * @return {void}
		 */
		function off() {
			var height = parseInt( window.getUserSetting( 'ed_size', 300 ), 10 );

			if ( height < 50 ) {
				height = 50;
			} else if ( height > 5000 ) {
				height = 5000;
			}

			/*
			 * Scroll to the top when triggering this from JS.
			 * Ensure the toolbars are reset properly.
			 */
			if ( window.pageYOffset && window.pageYOffset > pageYOffsetAtTop ) {
				window.scrollTo( window.pageXOffset, 0 );
			}

			$wrap.removeClass( 'wp-editor-expand' );

			$window.off( '.editor-expand' );
			$document.off( '.editor-expand' );
			$textEditor.off( '.editor-expand' );
			mceUnbind();

			// Adjust when entering or exiting fullscreen mode.
			fullscreen && fullscreen.pubsub.unsubscribe( 'hidden', fullscreenHide );

			// Reset all CSS.
			$.each( [ $visualTop, $textTop, $tools, $menuBar, $bottom, $statusBar, $contentWrap, $visualEditor, $textEditor, $sideSortables ], function( i, element ) {
				element && element.attr( 'style', '' );
			});

			fixedTop = fixedBottom = fixedSideTop = fixedSideBottom = false;

			if ( mceEditor ) {
				mceEditor.settings.wp_autoresize_on = false;
				mceEditor.execCommand( 'wpAutoResizeOff' );

				if ( ! mceEditor.isHidden() ) {
					$textEditor.hide();

					if ( height ) {
						mceEditor.theme.resizeTo( null, height );
					}
				}
			}

			// If there is a height found in the user setting.
			if ( height ) {
				$textEditor.height( height );
			}

			$document.trigger( 'editor-expand-off' );
		}

		// Start on load.
		if ( $wrap.hasClass( 'wp-editor-expand' ) ) {
			on();

			// Resize just after CSS has fully loaded and QuickTags is ready.
			if ( $contentWrap.hasClass( 'html-active' ) ) {
				initialResize( function() {
					adjust();
					textEditorResize();
				} );
			}
		}

		// Show the on/off checkbox.
		$( '#adv-settings .editor-expand' ).show();
		$( '#editor-expand-toggle' ).on( 'change.editor-expand', function() {
			if ( $(this).prop( 'checked' ) ) {
				on();
				window.setUserSetting( 'editor_expand', 'on' );
			} else {
				off();
				window.setUserSetting( 'editor_expand', 'off' );
			}
		});

		// Expose on() and off().
		window.editorExpand = {
			on: on,
			off: off
		};
	} );

	/**
	 * Handles the distraction free writing of TinyMCE.
	 *
	 * @since 4.1.0
	 *
	 * @return {void}
	 */
	$( function() {
		var $body = $( document.body ),
			$wrap = $( '#wpcontent' ),
			$editor = $( '#post-body-content' ),
			$title = $( '#title' ),
			$content = $( '#content' ),
			$overlay = $( document.createElement( 'DIV' ) ),
			$slug = $( '#edit-slug-box' ),
			$slugFocusEl = $slug.find( 'a' )
				.add( $slug.find( 'button' ) )
				.add( $slug.find( 'input' ) ),
			$menuWrap = $( '#adminmenuwrap' ),
			$editorWindow = $(),
			$editorIframe = $(),
			_isActive = window.getUserSetting( 'editor_expand', 'on' ) === 'on',
			_isOn = _isActive ? window.getUserSetting( 'post_dfw' ) === 'on' : false,
			traveledX = 0,
			traveledY = 0,
			buffer = 20,
			faded, fadedAdminBar, fadedSlug,
			editorRect, x, y, mouseY, scrollY,
			focusLostTimer, overlayTimer, editorHasFocus;

		$body.append( $overlay );

		$overlay.css( {
			display: 'none',
			position: 'fixed',
			top: $adminBar.height(),
			right: 0,
			bottom: 0,
			left: 0,
			'z-index': 9997
		} );

		$editor.css( {
			position: 'relative'
		} );

		$window.on( 'mousemove.focus', function( event ) {
			mouseY = event.pageY;
		} );

		/**
		 * Recalculates the bottom and right position of the editor in the DOM.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function recalcEditorRect() {
			editorRect = $editor.offset();
			editorRect.right = editorRect.left + $editor.outerWidth();
			editorRect.bottom = editorRect.top + $editor.outerHeight();
		}

		/**
		 * Activates the distraction free writing mode.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function activate() {
			if ( ! _isActive ) {
				_isActive = true;

				$document.trigger( 'dfw-activate' );
				$content.on( 'keydown.focus-shortcut', toggleViaKeyboard );
			}
		}

		/**
		 * Deactivates the distraction free writing mode.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function deactivate() {
			if ( _isActive ) {
				off();

				_isActive = false;

				$document.trigger( 'dfw-deactivate' );
				$content.off( 'keydown.focus-shortcut' );
			}
		}

		/**
		 * Returns _isActive.
		 *
		 * @since 4.1.0
		 *
		 * @return {boolean} Returns true is _isActive is true.
		 */
		function isActive() {
			return _isActive;
		}

		/**
		 * Binds events on the editor for distraction free writing.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function on() {
			if ( ! _isOn && _isActive ) {
				_isOn = true;

				$content.on( 'keydown.focus', fadeOut );

				$title.add( $content ).on( 'blur.focus', maybeFadeIn );

				fadeOut();

				window.setUserSetting( 'post_dfw', 'on' );

				$document.trigger( 'dfw-on' );
			}
		}

		/**
		 * Unbinds events on the editor for distraction free writing.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function off() {
			if ( _isOn ) {
				_isOn = false;

				$title.add( $content ).off( '.focus' );

				fadeIn();

				$editor.off( '.focus' );

				window.setUserSetting( 'post_dfw', 'off' );

				$document.trigger( 'dfw-off' );
			}
		}

		/**
		 * Binds or unbinds the editor expand events.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function toggle() {
			if ( _isOn ) {
				off();
			} else {
				on();
			}
		}

		/**
		 * Returns the value of _isOn.
		 *
		 * @since 4.1.0
		 *
		 * @return {boolean} Returns true if _isOn is true.
		 */
		function isOn() {
			return _isOn;
		}

		/**
		 * Fades out all elements except for the editor.
		 *
		 * The fading is done based on key presses and mouse movements.
		 * Also calls the fadeIn on certain key presses
		 * or if the mouse leaves the editor.
		 *
		 * @since 4.1.0
		 *
		 * @param event The event that triggers this function.
		 *
		 * @return {void}
		 */
		function fadeOut( event ) {
			var isMac,
				key = event && event.keyCode;

			if ( window.navigator.platform ) {
				isMac = ( window.navigator.platform.indexOf( 'Mac' ) > -1 );
			}

			// Fade in and returns on Escape and keyboard shortcut Alt+Shift+W and Ctrl+Opt+W.
			if ( key === 27 || ( key === 87 && event.altKey && ( ( ! isMac && event.shiftKey ) || ( isMac && event.ctrlKey ) ) ) ) {
				fadeIn( event );
				return;
			}

			// Return if any of the following keys or combinations of keys is pressed.
			if ( event && ( event.metaKey || ( event.ctrlKey && ! event.altKey ) || ( event.altKey && event.shiftKey ) || ( key && (
				// Special keys ( tab, ctrl, alt, esc, arrow keys... ).
				( key <= 47 && key !== 8 && key !== 13 && key !== 32 && key !== 46 ) ||
				// Windows keys.
				( key >= 91 && key <= 93 ) ||
				// F keys.
				( key >= 112 && key <= 135 ) ||
				// Num Lock, Scroll Lock, OEM.
				( key >= 144 && key <= 150 ) ||
				// OEM or non-printable.
				key >= 224
			) ) ) ) {
				return;
			}

			if ( ! faded ) {
				faded = true;

				clearTimeout( overlayTimer );

				overlayTimer = setTimeout( function() {
					$overlay.show();
				}, 600 );

				$editor.css( 'z-index', 9998 );

				$overlay
					// Always recalculate the editor area when entering the overlay with the mouse.
					.on( 'mouseenter.focus', function() {
						recalcEditorRect();

						$window.on( 'scroll.focus', function() {
							var nScrollY = window.pageYOffset;

							if ( (
								scrollY && mouseY &&
								scrollY !== nScrollY
							) && (
								mouseY < editorRect.top - buffer ||
								mouseY > editorRect.bottom + buffer
							) ) {
								fadeIn();
							}

							scrollY = nScrollY;
						} );
					} )
					.on( 'mouseleave.focus', function() {
						x = y =  null;
						traveledX = traveledY = 0;

						$window.off( 'scroll.focus' );
					} )
					// Fade in when the mouse moves away form the editor area.
					.on( 'mousemove.focus', function( event ) {
						var nx = event.clientX,
							ny = event.clientY,
							pageYOffset = window.pageYOffset,
							pageXOffset = window.pageXOffset;

						if ( x && y && ( nx !== x || ny !== y ) ) {
							if (
								( ny <= y && ny < editorRect.top - pageYOffset ) ||
								( ny >= y && ny > editorRect.bottom - pageYOffset ) ||
								( nx <= x && nx < editorRect.left - pageXOffset ) ||
								( nx >= x && nx > editorRect.right - pageXOffset )
							) {
								traveledX += Math.abs( x - nx );
								traveledY += Math.abs( y - ny );

								if ( (
									ny <= editorRect.top - buffer - pageYOffset ||
									ny >= editorRect.bottom + buffer - pageYOffset ||
									nx <= editorRect.left - buffer - pageXOffset ||
									nx >= editorRect.right + buffer - pageXOffset
								) && (
									traveledX > 10 ||
									traveledY > 10
								) ) {
									fadeIn();

									x = y =  null;
									traveledX = traveledY = 0;

									return;
								}
							} else {
								traveledX = traveledY = 0;
							}
						}

						x = nx;
						y = ny;
					} )

					// When the overlay is touched, fade in and cancel the event.
					.on( 'touchstart.focus', function( event ) {
						event.preventDefault();
						fadeIn();
					} );

				$editor.off( 'mouseenter.focus' );

				if ( focusLostTimer ) {
					clearTimeout( focusLostTimer );
					focusLostTimer = null;
				}

				$body.addClass( 'focus-on' ).removeClass( 'focus-off' );
			}

			fadeOutAdminBar();
			fadeOutSlug();
		}

		/**
		 * Fades all elements back in.
		 *
		 * @since 4.1.0
		 *
		 * @param event The event that triggers this function.
		 *
		 * @return {void}
		 */
		function fadeIn( event ) {
			if ( faded ) {
				faded = false;

				clearTimeout( overlayTimer );

				overlayTimer = setTimeout( function() {
					$overlay.hide();
				}, 200 );

				$editor.css( 'z-index', '' );

				$overlay.off( 'mouseenter.focus mouseleave.focus mousemove.focus touchstart.focus' );

				/*
				 * When fading in, temporarily watch for refocus and fade back out - helps
				 * with 'accidental' editor exits with the mouse. When fading in and the event
				 * is a key event (Escape or Alt+Shift+W) don't watch for refocus.
				 */
				if ( 'undefined' === typeof event ) {
					$editor.on( 'mouseenter.focus', function() {
						if ( $.contains( $editor.get( 0 ), document.activeElement ) || editorHasFocus ) {
							fadeOut();
						}
					} );
				}

				focusLostTimer = setTimeout( function() {
					focusLostTimer = null;
					$editor.off( 'mouseenter.focus' );
				}, 1000 );

				$body.addClass( 'focus-off' ).removeClass( 'focus-on' );
			}

			fadeInAdminBar();
			fadeInSlug();
		}

		/**
		 * Fades in if the focused element based on it position.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function maybeFadeIn() {
			setTimeout( function() {
				var position = document.activeElement.compareDocumentPosition( $editor.get( 0 ) );

				function hasFocus( $el ) {
					return $.contains( $el.get( 0 ), document.activeElement );
				}

				// The focused node is before or behind the editor area, and not outside the wrap.
				if ( ( position === 2 || position === 4 ) && ( hasFocus( $menuWrap ) || hasFocus( $wrap ) || hasFocus( $footer ) ) ) {
					fadeIn();
				}
			}, 0 );
		}

		/**
		 * Fades out the admin bar based on focus on the admin bar.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function fadeOutAdminBar() {
			if ( ! fadedAdminBar && faded ) {
				fadedAdminBar = true;

				$adminBar
					.on( 'mouseenter.focus', function() {
						$adminBar.addClass( 'focus-off' );
					} )
					.on( 'mouseleave.focus', function() {
						$adminBar.removeClass( 'focus-off' );
					} );
			}
		}

		/**
		 * Fades in the admin bar.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function fadeInAdminBar() {
			if ( fadedAdminBar ) {
				fadedAdminBar = false;

				$adminBar.off( '.focus' );
			}
		}

		/**
		 * Fades out the edit slug box.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function fadeOutSlug() {
			if ( ! fadedSlug && faded && ! $slug.find( ':focus').length ) {
				fadedSlug = true;

				$slug.stop().fadeTo( 'fast', 0.3 ).on( 'mouseenter.focus', fadeInSlug ).off( 'mouseleave.focus' );

				$slugFocusEl.on( 'focus.focus', fadeInSlug ).off( 'blur.focus' );
			}
		}

		/**
		 * Fades in the edit slug box.
		 *
		 * @since 4.1.0
		 *
		 * @return {void}
		 */
		function fadeInSlug() {
			if ( fadedSlug ) {
				fadedSlug = false;

				$slug.stop().fadeTo( 'fast', 1 ).on( 'mouseleave.focus', fadeOutSlug ).off( 'mouseenter.focus' );

				$slugFocusEl.on( 'blur.focus', fadeOutSlug ).off( 'focus.focus' );
			}
		}

		/**
		 * Triggers the toggle on Alt + Shift + W.
		 *
		 * Keycode 87 = w.
		 *
		 * @since 4.1.0
		 *
		 * @param {event} event The event to trigger the toggle.
		 *
		 * @return {void}
		 */
		function toggleViaKeyboard( event ) {
			if ( event.altKey && event.shiftKey && 87 === event.keyCode ) {
				toggle();
			}
		}

		if ( $( '#postdivrich' ).hasClass( 'wp-editor-expand' ) ) {
			$content.on( 'keydown.focus-shortcut', toggleViaKeyboard );
		}

		/**
		 * Adds the distraction free writing button when setting up TinyMCE.
		 *
		 * @since 4.1.0
		 *
		 * @param {event} event The TinyMCE editor setup event.
		 * @param {object} editor The editor to add the button to.
		 *
		 * @return {void}
		 */
		$document.on( 'tinymce-editor-setup.focus', function( event, editor ) {
			editor.addButton( 'dfw', {
				active: _isOn,
				classes: 'wp-dfw btn widget',
				disabled: ! _isActive,
				onclick: toggle,
				onPostRender: function() {
					var button = this;

					editor.on( 'init', function() {
						if ( button.disabled() ) {
							button.hide();
						}
					} );

					$document
					.on( 'dfw-activate.focus', function() {
						button.disabled( false );
						button.show();
					} )
					.on( 'dfw-deactivate.focus', function() {
						button.disabled( true );
						button.hide();
					} )
					.on( 'dfw-on.focus', function() {
						button.active( true );
					} )
					.on( 'dfw-off.focus', function() {
						button.active( false );
					} );
				},
				tooltip: 'Distraction-free writing mode',
				shortcut: 'Alt+Shift+W'
			} );

			editor.addCommand( 'wpToggleDFW', toggle );
			editor.addShortcut( 'access+w', '', 'wpToggleDFW' );
		} );

		/**
		 * Binds and unbinds events on the editor.
		 *
		 * @since 4.1.0
		 *
		 * @param {event} event The TinyMCE editor init event.
		 * @param {object} editor The editor to bind events on.
		 *
		 * @return {void}
		 */
		$document.on( 'tinymce-editor-init.focus', function( event, editor ) {
			var mceBind, mceUnbind;

			function focus() {
				editorHasFocus = true;
			}

			function blur() {
				editorHasFocus = false;
			}

			if ( editor.id === 'content' ) {
				$editorWindow = $( editor.getWin() );
				$editorIframe = $( editor.getContentAreaContainer() ).find( 'iframe' );

				mceBind = function() {
					editor.on( 'keydown', fadeOut );
					editor.on( 'blur', maybeFadeIn );
					editor.on( 'focus', focus );
					editor.on( 'blur', blur );
					editor.on( 'wp-autoresize', recalcEditorRect );
				};

				mceUnbind = function() {
					editor.off( 'keydown', fadeOut );
					editor.off( 'blur', maybeFadeIn );
					editor.off( 'focus', focus );
					editor.off( 'blur', blur );
					editor.off( 'wp-autoresize', recalcEditorRect );
				};

				if ( _isOn ) {
					mceBind();
				}

				// Bind and unbind based on the distraction free writing focus.
				$document.on( 'dfw-on.focus', mceBind ).on( 'dfw-off.focus', mceUnbind );

				// Focus the editor when it is the target of the click event.
				editor.on( 'click', function( event ) {
					if ( event.target === editor.getDoc().documentElement ) {
						editor.focus();
					}
				} );
			}
		} );

		/**
		 *  Binds events on quicktags init.
		 *
		 * @since 4.1.0
		 *
		 * @param {event} event The quicktags init event.
		 * @param {object} editor The editor to bind events on.
		 *
		 * @return {void}
		 */
		$document.on( 'quicktags-init', function( event, editor ) {
			var $button;

			// Bind the distraction free writing events if the distraction free writing button is available.
			if ( editor.settings.buttons && ( ',' + editor.settings.buttons + ',' ).indexOf( ',dfw,' ) !== -1 ) {
				$button = $( '#' + editor.name + '_dfw' );

				$( document )
				.on( 'dfw-activate', function() {
					$button.prop( 'disabled', false );
				} )
				.on( 'dfw-deactivate', function() {
					$button.prop( 'disabled', true );
				} )
				.on( 'dfw-on', function() {
					$button.addClass( 'active' );
				} )
				.on( 'dfw-off', function() {
					$button.removeClass( 'active' );
				} );
			}
		} );

		$document.on( 'editor-expand-on.focus', activate ).on( 'editor-expand-off.focus', deactivate );

		if ( _isOn ) {
			$content.on( 'keydown.focus', fadeOut );

			$title.add( $content ).on( 'blur.focus', maybeFadeIn );
		}

		window.wp = window.wp || {};
		window.wp.editor = window.wp.editor || {};
		window.wp.editor.dfw = {
			activate: activate,
			deactivate: deactivate,
			isActive: isActive,
			on: on,
			off: off,
			toggle: toggle,
			isOn: isOn
		};
	} );
} )( window, window.jQuery );
PK       ! ���wH/  H/    theme-plugin-editor.min.jsnu �[���        /*! This file is auto-generated */
window.wp||(window.wp={}),wp.themePluginEditor=function(o){"use strict";var t,i=wp.i18n.__,s=wp.i18n._n,r=wp.i18n.sprintf,n={codeEditor:{},instance:null,noticeElements:{},dirty:!1,lintErrors:[],init:function(e,t){n.form=e,t&&o.extend(n,t),n.noticeTemplate=wp.template("wp-file-editor-notice"),n.noticesContainer=n.form.find(".editor-notices"),n.submitButton=n.form.find(":input[name=submit]"),n.spinner=n.form.find(".submit .spinner"),n.form.on("submit",n.submit),n.textarea=n.form.find("#newcontent"),n.textarea.on("change",n.onChange),n.warning=o(".file-editor-warning"),n.docsLookUpButton=n.form.find("#docs-lookup"),n.docsLookUpList=n.form.find("#docs-list"),0<n.warning.length&&n.showWarning(),!1!==n.codeEditor&&_.defer(function(){n.initCodeEditor()}),o(n.initFileBrowser),o(window).on("beforeunload",function(){if(n.dirty)return i("The changes you made will be lost if you navigate away from this page.")}),n.docsLookUpList.on("change",function(){""===o(this).val()?n.docsLookUpButton.prop("disabled",!0):n.docsLookUpButton.prop("disabled",!1)}),o(window).on("keydown",function(e){!e.ctrlKey&&!e.metaKey||"s"!==e.key.toLowerCase()||n.instance&&n.instance.codemirror.hasFocus()||(e.preventDefault(),n.form.trigger("submit"))})},showWarning:function(){var e=n.warning.find(".file-editor-warning-message").text();o("#wpwrap").attr("aria-hidden","true"),o(document.body).addClass("modal-open").append(n.warning.detach()),n.warning.removeClass("hidden").find(".file-editor-warning-go-back").trigger("focus"),n.warningTabbables=n.warning.find("a, button"),n.warningTabbables.on("keydown",n.constrainTabbing),n.warning.on("click",".file-editor-warning-dismiss",n.dismissWarning),setTimeout(function(){wp.a11y.speak(wp.sanitize.stripTags(e.replace(/\s+/g," ")),"assertive")},1e3)},constrainTabbing:function(e){var t,i;9===e.which&&(t=n.warningTabbables.first()[0],(i=n.warningTabbables.last()[0])!==e.target||e.shiftKey?t===e.target&&e.shiftKey&&(i.focus(),e.preventDefault()):(t.focus(),e.preventDefault()))},dismissWarning:function(){wp.ajax.post("dismiss-wp-pointer",{pointer:n.themeOrPlugin+"_editor_notice"}),n.warning.remove(),o("#wpwrap").removeAttr("aria-hidden"),o("body").removeClass("modal-open")},onChange:function(){n.dirty=!0,n.removeNotice("file_saved")},submit:function(e){var t={};e.preventDefault(),o.each(n.form.serializeArray(),function(){t[this.name]=this.value}),n.instance&&(t.newcontent=n.instance.codemirror.getValue()),n.isSaving||(n.instance&&n.instance.updateErrorNotice&&n.instance.updateErrorNotice(),n.lintErrors.length?n.instance.codemirror.setCursor(n.lintErrors[0].from.line):(n.isSaving=!0,n.textarea.prop("readonly",!0),n.instance&&n.instance.codemirror.setOption("readOnly",!0),n.spinner.addClass("is-active"),e=wp.ajax.post("edit-theme-plugin-file",t),n.lastSaveNoticeCode&&n.removeNotice(n.lastSaveNoticeCode),e.done(function(e){n.lastSaveNoticeCode="file_saved",n.addNotice({code:n.lastSaveNoticeCode,type:"success",message:e.message,dismissible:!0}),n.dirty=!1}),e.fail(function(e){e=o.extend({code:"save_error",message:i("An error occurred while saving your changes. 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t(this).init()}),e.find(".current-file:first").each(function(){this.scrollIntoViewIfNeeded?this.scrollIntoViewIfNeeded():this.scrollIntoView(!1)})}},a=(e.prototype.init=function(){this.domNode.tabIndex=-1,this.domNode.getAttribute("role")||this.domNode.setAttribute("role","treeitem"),this.domNode.addEventListener("keydown",this.handleKeydown.bind(this)),this.domNode.addEventListener("click",this.handleClick.bind(this)),this.domNode.addEventListener("focus",this.handleFocus.bind(this)),this.domNode.addEventListener("blur",this.handleBlur.bind(this)),(this.isExpandable?(this.domNode.firstElementChild.addEventListener("mouseover",this.handleMouseOver.bind(this)),this.domNode.firstElementChild):(this.domNode.addEventListener("mouseover",this.handleMouseOver.bind(this)),this.domNode)).addEventListener("mouseout",this.handleMouseOut.bind(this))},e.prototype.isExpanded=function(){return!!this.isExpandable&&"true"===this.domNode.getAttribute("aria-expanded")},e.prototype.handleKeydown=function(e){e.currentTarget;var t=!1,i=e.key;function o(e){return 1===e.length&&e.match(/\S/)}function s(e){"*"==i?(e.tree.expandAllSiblingItems(e),t=!0):o(i)&&(e.tree.setFocusByFirstCharacter(e,i),t=!0)}if(this.stopDefaultClick=!1,!(e.altKey||e.ctrlKey||e.metaKey)){if(e.shift)e.keyCode==this.keyCode.SPACE||e.keyCode==this.keyCode.RETURN?(e.stopPropagation(),this.stopDefaultClick=!0):o(i)&&s(this);else switch(e.keyCode){case this.keyCode.SPACE:case this.keyCode.RETURN:this.isExpandable?(this.isExpanded()?this.tree.collapseTreeitem(this):this.tree.expandTreeitem(this),t=!0):(e.stopPropagation(),this.stopDefaultClick=!0);break;case this.keyCode.UP:this.tree.setFocusToPreviousItem(this),t=!0;break;case this.keyCode.DOWN:this.tree.setFocusToNextItem(this),t=!0;break;case this.keyCode.RIGHT:this.isExpandable&&(this.isExpanded()?this.tree.setFocusToNextItem(this):this.tree.expandTreeitem(this)),t=!0;break;case this.keyCode.LEFT:this.isExpandable&&this.isExpanded()?(this.tree.collapseTreeitem(this),t=!0):this.inGroup&&(this.tree.setFocusToParentItem(this),t=!0);break;case this.keyCode.HOME:this.tree.setFocusToFirstItem(),t=!0;break;case this.keyCode.END:this.tree.setFocusToLastItem(),t=!0;break;default:o(i)&&s(this)}t&&(e.stopPropagation(),e.preventDefault())}},e.prototype.handleClick=function(e){e.target!==this.domNode&&e.target!==this.domNode.firstElementChild||this.isExpandable&&(this.isExpanded()?this.tree.collapseTreeitem(this):this.tree.expandTreeitem(this),e.stopPropagation())},e.prototype.handleFocus=function(e){var t=this.domNode;(t=this.isExpandable?t.firstElementChild:t).classList.add("focus")},e.prototype.handleBlur=function(e){var t=this.domNode;(t=this.isExpandable?t.firstElementChild:t).classList.remove("focus")},e.prototype.handleMouseOver=function(e){e.currentTarget.classList.add("hover")},e.prototype.handleMouseOut=function(e){e.currentTarget.classList.remove("hover")},e);function e(e,t,i){if("object"==typeof e){e.tabIndex=-1,this.tree=t,this.groupTreeitem=i,this.domNode=e,this.label=e.textContent.trim(),this.stopDefaultClick=!1,e.getAttribute("aria-label")&&(this.label=e.getAttribute("aria-label").trim()),this.isExpandable=!1,this.isVisible=!1,this.inGroup=!1,i&&(this.inGroup=!0);for(var o=e.firstElementChild;o;){if("ul"==o.tagName.toLowerCase()){o.setAttribute("role","group"),this.isExpandable=!0;break}o=o.nextElementSibling}this.keyCode=Object.freeze({RETURN:13,SPACE:32,PAGEUP:33,PAGEDOWN:34,END:35,HOME:36,LEFT:37,UP:38,RIGHT:39,DOWN:40})}}function d(e){"object"==typeof e&&(this.domNode=e,this.treeitems=[],this.firstChars=[],this.firstTreeitem=null,this.lastTreeitem=null)}return d.prototype.init=function(){this.domNode.getAttribute("role")||this.domNode.setAttribute("role","tree"),function e(t,i,o){for(var s=t.firstElementChild,r=o;s;)("li"===s.tagName.toLowerCase()&&"span"===s.firstElementChild.tagName.toLowerCase()||"a"===s.tagName.toLowerCase())&&((r=new a(s,i,o)).init(),i.treeitems.push(r),i.firstChars.push(r.label.substring(0,1).toLowerCase())),s.firstElementChild&&e(s,i,r),s=s.nextElementSibling}(this.domNode,this,!1),this.updateVisibleTreeitems(),this.firstTreeitem.domNode.tabIndex=0},d.prototype.setFocusToItem=function(e){for(var t=0;t<this.treeitems.length;t++){var i=this.treeitems[t];i===e?(i.domNode.tabIndex=0,i.domNode.focus()):i.domNode.tabIndex=-1}},d.prototype.setFocusToNextItem=function(e){for(var t=!1,i=this.treeitems.length-1;0<=i;i--){var o=this.treeitems[i];if(o===e)break;o.isVisible&&(t=o)}t&&this.setFocusToItem(t)},d.prototype.setFocusToPreviousItem=function(e){for(var t=!1,i=0;i<this.treeitems.length;i++){var o=this.treeitems[i];if(o===e)break;o.isVisible&&(t=o)}t&&this.setFocusToItem(t)},d.prototype.setFocusToParentItem=function(e){e.groupTreeitem&&this.setFocusToItem(e.groupTreeitem)},d.prototype.setFocusToFirstItem=function(){this.setFocusToItem(this.firstTreeitem)},d.prototype.setFocusToLastItem=function(){this.setFocusToItem(this.lastTreeitem)},d.prototype.expandTreeitem=function(e){e.isExpandable&&(e.domNode.setAttribute("aria-expanded",!0),this.updateVisibleTreeitems())},d.prototype.expandAllSiblingItems=function(e){for(var t=0;t<this.treeitems.length;t++){var i=this.treeitems[t];i.groupTreeitem===e.groupTreeitem&&i.isExpandable&&this.expandTreeitem(i)}},d.prototype.collapseTreeitem=function(e){var t=!1;(t=e.isExpanded()?e:e.groupTreeitem)&&(t.domNode.setAttribute("aria-expanded",!1),this.updateVisibleTreeitems(),this.setFocusToItem(t))},d.prototype.updateVisibleTreeitems=function(){this.firstTreeitem=this.treeitems[0];for(var e=0;e<this.treeitems.length;e++){var t=this.treeitems[e],i=t.domNode.parentNode;for(t.isVisible=!0;i&&i!==this.domNode;)"false"==i.getAttribute("aria-expanded")&&(t.isVisible=!1),i=i.parentNode;t.isVisible&&(this.lastTreeitem=t)}},d.prototype.setFocusByFirstCharacter=function(e,t){t=t.toLowerCase(),(e=this.treeitems.indexOf(e)+1)===this.treeitems.length&&(e=0),-1<(e=-1===(e=this.getIndexFirstChars(e,t))?this.getIndexFirstChars(0,t):e)&&this.setFocusToItem(this.treeitems[e])},d.prototype.getIndexFirstChars=function(e,t){for(var i=e;i<this.firstChars.length;i++)if(this.treeitems[i].isVisible&&t===this.firstChars[i])return i;return-1},t=d,n}(jQuery),wp.themePluginEditor.l10n=wp.themePluginEditor.l10n||{saveAlert:"",saveError:"",lintError:{alternative:"wp.i18n",func:function(){return{singular:"",plural:""}}}},wp.themePluginEditor.l10n=window.wp.deprecateL10nObject("wp.themePluginEditor.l10n",wp.themePluginEditor.l10n,"5.5.0");PK       ! ���!� � 
  updates.jsnu �[���        /**
 * Functions for ajaxified updates, deletions and installs inside the WordPress admin.
 *
 * @version 4.2.0
 * @output wp-admin/js/updates.js
 */

/* global pagenow, _wpThemeSettings */

/**
 * @param {jQuery}  $                                        jQuery object.
 * @param {object}  wp                                       WP object.
 * @param {object}  settings                                 WP Updates settings.
 * @param {string}  settings.ajax_nonce                      Ajax nonce.
 * @param {object=} settings.plugins                         Base names of plugins in their different states.
 * @param {Array}   settings.plugins.all                     Base names of all plugins.
 * @param {Array}   settings.plugins.active                  Base names of active plugins.
 * @param {Array}   settings.plugins.inactive                Base names of inactive plugins.
 * @param {Array}   settings.plugins.upgrade                 Base names of plugins with updates available.
 * @param {Array}   settings.plugins.recently_activated      Base names of recently activated plugins.
 * @param {Array}   settings.plugins['auto-update-enabled']  Base names of plugins set to auto-update.
 * @param {Array}   settings.plugins['auto-update-disabled'] Base names of plugins set to not auto-update.
 * @param {object=} settings.themes                          Slugs of themes in their different states.
 * @param {Array}   settings.themes.all                      Slugs of all themes.
 * @param {Array}   settings.themes.upgrade                  Slugs of themes with updates available.
 * @param {Arrat}   settings.themes.disabled                 Slugs of disabled themes.
 * @param {Array}   settings.themes['auto-update-enabled']   Slugs of themes set to auto-update.
 * @param {Array}   settings.themes['auto-update-disabled']  Slugs of themes set to not auto-update.
 * @param {object=} settings.totals                          Combined information for available update counts.
 * @param {number}  settings.totals.count                    Holds the amount of available updates.
 */
(function( $, wp, settings ) {
	var $document = $( document ),
		__ = wp.i18n.__,
		_x = wp.i18n._x,
		_n = wp.i18n._n,
		_nx = wp.i18n._nx,
		sprintf = wp.i18n.sprintf;

	wp = wp || {};

	/**
	 * The WP Updates object.
	 *
	 * @since 4.2.0
	 *
	 * @namespace wp.updates
	 */
	wp.updates = {};

	/**
	 * Removed in 5.5.0, needed for back-compatibility.
	 *
	 * @since 4.2.0
	 * @deprecated 5.5.0
	 *
	 * @type {object}
	 */
	wp.updates.l10n = {
		searchResults: '',
		searchResultsLabel: '',
		noPlugins: '',
		noItemsSelected: '',
		updating: '',
		pluginUpdated: '',
		themeUpdated: '',
		update: '',
		updateNow: '',
		pluginUpdateNowLabel: '',
		updateFailedShort: '',
		updateFailed: '',
		pluginUpdatingLabel: '',
		pluginUpdatedLabel: '',
		pluginUpdateFailedLabel: '',
		updatingMsg: '',
		updatedMsg: '',
		updateCancel: '',
		beforeunload: '',
		installNow: '',
		pluginInstallNowLabel: '',
		installing: '',
		pluginInstalled: '',
		themeInstalled: '',
		installFailedShort: '',
		installFailed: '',
		pluginInstallingLabel: '',
		themeInstallingLabel: '',
		pluginInstalledLabel: '',
		themeInstalledLabel: '',
		pluginInstallFailedLabel: '',
		themeInstallFailedLabel: '',
		installingMsg: '',
		installedMsg: '',
		importerInstalledMsg: '',
		aysDelete: '',
		aysDeleteUninstall: '',
		aysBulkDelete: '',
		aysBulkDeleteThemes: '',
		deleting: '',
		deleteFailed: '',
		pluginDeleted: '',
		themeDeleted: '',
		livePreview: '',
		activatePlugin: '',
		activateTheme: '',
		activatePluginLabel: '',
		activateThemeLabel: '',
		activateImporter: '',
		activateImporterLabel: '',
		unknownError: '',
		connectionError: '',
		nonceError: '',
		pluginsFound: '',
		noPluginsFound: '',
		autoUpdatesEnable: '',
		autoUpdatesEnabling: '',
		autoUpdatesEnabled: '',
		autoUpdatesDisable: '',
		autoUpdatesDisabling: '',
		autoUpdatesDisabled: '',
		autoUpdatesError: ''
	};

	wp.updates.l10n = window.wp.deprecateL10nObject( 'wp.updates.l10n', wp.updates.l10n, '5.5.0' );

	/**
	 * User nonce for ajax calls.
	 *
	 * @since 4.2.0
	 *
	 * @type {string}
	 */
	wp.updates.ajaxNonce = settings.ajax_nonce;

	/**
	 * Current search term.
	 *
	 * @since 4.6.0
	 *
	 * @type {string}
	 */
	wp.updates.searchTerm = '';

	/**
	 * Minimum number of characters before an ajax search is fired.
	 *
	 * @since 6.7.0
	 *
	 * @type {number}
	 */
	wp.updates.searchMinCharacters = 2;

	/**
	 * Whether filesystem credentials need to be requested from the user.
	 *
	 * @since 4.2.0
	 *
	 * @type {bool}
	 */
	wp.updates.shouldRequestFilesystemCredentials = false;

	/**
	 * Filesystem credentials to be packaged along with the request.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 Added `available` property to indicate whether credentials have been provided.
	 *
	 * @type {Object}
	 * @property {Object} filesystemCredentials.ftp                Holds FTP credentials.
	 * @property {string} filesystemCredentials.ftp.host           FTP host. Default empty string.
	 * @property {string} filesystemCredentials.ftp.username       FTP user name. Default empty string.
	 * @property {string} filesystemCredentials.ftp.password       FTP password. Default empty string.
	 * @property {string} filesystemCredentials.ftp.connectionType Type of FTP connection. 'ssh', 'ftp', or 'ftps'.
	 *                                                             Default empty string.
	 * @property {Object} filesystemCredentials.ssh                Holds SSH credentials.
	 * @property {string} filesystemCredentials.ssh.publicKey      The public key. Default empty string.
	 * @property {string} filesystemCredentials.ssh.privateKey     The private key. Default empty string.
	 * @property {string} filesystemCredentials.fsNonce            Filesystem credentials form nonce.
	 * @property {bool}   filesystemCredentials.available          Whether filesystem credentials have been provided.
	 *                                                             Default 'false'.
	 */
	wp.updates.filesystemCredentials = {
		ftp:       {
			host:           '',
			username:       '',
			password:       '',
			connectionType: ''
		},
		ssh:       {
			publicKey:  '',
			privateKey: ''
		},
		fsNonce: '',
		available: false
	};

	/**
	 * Whether we're waiting for an Ajax request to complete.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 More accurately named `ajaxLocked`.
	 *
	 * @type {bool}
	 */
	wp.updates.ajaxLocked = false;

	/**
	 * Admin notice template.
	 *
	 * @since 4.6.0
	 *
	 * @type {function}
	 */
	wp.updates.adminNotice = wp.template( 'wp-updates-admin-notice' );

	/**
	 * Update queue.
	 *
	 * If the user tries to update a plugin while an update is
	 * already happening, it can be placed in this queue to perform later.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 More accurately named `queue`.
	 *
	 * @type {Array.object}
	 */
	wp.updates.queue = [];

	/**
	 * Holds a jQuery reference to return focus to when exiting the request credentials modal.
	 *
	 * @since 4.2.0
	 *
	 * @type {jQuery}
	 */
	wp.updates.$elToReturnFocusToFromCredentialsModal = undefined;

	/**
	 * Adds or updates an admin notice.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}  data
	 * @param {*=}      data.selector      Optional. Selector of an element to be replaced with the admin notice.
	 * @param {string=} data.id            Optional. Unique id that will be used as the notice's id attribute.
	 * @param {string=} data.className     Optional. Class names that will be used in the admin notice.
	 * @param {string=} data.message       Optional. The message displayed in the notice.
	 * @param {number=} data.successes     Optional. The amount of successful operations.
	 * @param {number=} data.errors        Optional. The amount of failed operations.
	 * @param {Array=}  data.errorMessages Optional. Error messages of failed operations.
	 *
	 */
	wp.updates.addAdminNotice = function( data ) {
		var $notice = $( data.selector ),
			$headerEnd = $( '.wp-header-end' ),
			$adminNotice;

		delete data.selector;
		$adminNotice = wp.updates.adminNotice( data );

		// Check if this admin notice already exists.
		if ( ! $notice.length ) {
			$notice = $( '#' + data.id );
		}

		if ( $notice.length ) {
			$notice.replaceWith( $adminNotice );
		} else if ( $headerEnd.length ) {
			$headerEnd.after( $adminNotice );
		} else {
			if ( 'customize' === pagenow ) {
				$( '.customize-themes-notifications' ).append( $adminNotice );
			} else {
				$( '.wrap' ).find( '> h1' ).after( $adminNotice );
			}
		}

		$document.trigger( 'wp-updates-notice-added' );
	};

	/**
	 * Handles Ajax requests to WordPress.
	 *
	 * @since 4.6.0
	 *
	 * @param {string} action The type of Ajax request ('update-plugin', 'install-theme', etc).
	 * @param {Object} data   Data that needs to be passed to the ajax callback.
	 * @return {$.promise}    A jQuery promise that represents the request,
	 *                        decorated with an abort() method.
	 */
	wp.updates.ajax = function( action, data ) {
		var options = {};

		if ( wp.updates.ajaxLocked ) {
			wp.updates.queue.push( {
				action: action,
				data:   data
			} );

			// Return a Deferred object so callbacks can always be registered.
			return $.Deferred();
		}

		wp.updates.ajaxLocked = true;

		if ( data.success ) {
			options.success = data.success;
			delete data.success;
		}

		if ( data.error ) {
			options.error = data.error;
			delete data.error;
		}

		options.data = _.extend( data, {
			action:          action,
			_ajax_nonce:     wp.updates.ajaxNonce,
			_fs_nonce:       wp.updates.filesystemCredentials.fsNonce,
			username:        wp.updates.filesystemCredentials.ftp.username,
			password:        wp.updates.filesystemCredentials.ftp.password,
			hostname:        wp.updates.filesystemCredentials.ftp.hostname,
			connection_type: wp.updates.filesystemCredentials.ftp.connectionType,
			public_key:      wp.updates.filesystemCredentials.ssh.publicKey,
			private_key:     wp.updates.filesystemCredentials.ssh.privateKey
		} );

		return wp.ajax.send( options ).always( wp.updates.ajaxAlways );
	};

	/**
	 * Actions performed after every Ajax request.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}  response
	 * @param {Array=}  response.debug     Optional. Debug information.
	 * @param {string=} response.errorCode Optional. Error code for an error that occurred.
	 */
	wp.updates.ajaxAlways = function( response ) {
		if ( ! response.errorCode || 'unable_to_connect_to_filesystem' !== response.errorCode ) {
			wp.updates.ajaxLocked = false;
			wp.updates.queueChecker();
		}

		if ( 'undefined' !== typeof response.debug && window.console && window.console.log ) {
			_.map( response.debug, function( message ) {
				// Remove all HTML tags and write a message to the console.
				window.console.log( wp.sanitize.stripTagsAndEncodeText( message ) );
			} );
		}
	};

	/**
	 * Refreshes update counts everywhere on the screen.
	 *
	 * @since 4.7.0
	 */
	wp.updates.refreshCount = function() {
		var $adminBarUpdates              = $( '#wp-admin-bar-updates' ),
			$dashboardNavMenuUpdateCount  = $( 'a[href="update-core.php"] .update-plugins' ),
			$pluginsNavMenuUpdateCount    = $( 'a[href="plugins.php"] .update-plugins' ),
			$appearanceNavMenuUpdateCount = $( 'a[href="themes.php"] .update-plugins' ),
			itemCount;

		$adminBarUpdates.find( '.ab-label' ).text( settings.totals.counts.total );
		$adminBarUpdates.find( '.updates-available-text' ).text(
			sprintf(
				/* translators: %s: Total number of updates available. */
				_n( '%s update available', '%s updates available', settings.totals.counts.total ),
				settings.totals.counts.total
			)
		);

		// Remove the update count from the toolbar if it's zero.
		if ( 0 === settings.totals.counts.total ) {
			$adminBarUpdates.find( '.ab-label' ).parents( 'li' ).remove();
		}

		// Update the "Updates" menu item.
		$dashboardNavMenuUpdateCount.each( function( index, element ) {
			element.className = element.className.replace( /count-\d+/, 'count-' + settings.totals.counts.total );
		} );
		if ( settings.totals.counts.total > 0 ) {
			$dashboardNavMenuUpdateCount.find( '.update-count' ).text( settings.totals.counts.total );
		} else {
			$dashboardNavMenuUpdateCount.remove();
		}

		// Update the "Plugins" menu item.
		$pluginsNavMenuUpdateCount.each( function( index, element ) {
			element.className = element.className.replace( /count-\d+/, 'count-' + settings.totals.counts.plugins );
		} );
		if ( settings.totals.counts.total > 0 ) {
			$pluginsNavMenuUpdateCount.find( '.plugin-count' ).text( settings.totals.counts.plugins );
		} else {
			$pluginsNavMenuUpdateCount.remove();
		}

		// Update the "Appearance" menu item.
		$appearanceNavMenuUpdateCount.each( function( index, element ) {
			element.className = element.className.replace( /count-\d+/, 'count-' + settings.totals.counts.themes );
		} );
		if ( settings.totals.counts.total > 0 ) {
			$appearanceNavMenuUpdateCount.find( '.theme-count' ).text( settings.totals.counts.themes );
		} else {
			$appearanceNavMenuUpdateCount.remove();
		}

		// Update list table filter navigation.
		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
			itemCount = settings.totals.counts.plugins;
		} else if ( 'themes' === pagenow || 'themes-network' === pagenow ) {
			itemCount = settings.totals.counts.themes;
		}

		if ( itemCount > 0 ) {
			$( '.subsubsub .upgrade .count' ).text( '(' + itemCount + ')' );
		} else {
			$( '.subsubsub .upgrade' ).remove();
			$( '.subsubsub li:last' ).html( function() { return $( this ).children(); } );
		}
	};

	/**
	 * Sends a message from a modal to the main screen to update buttons in plugin cards.
	 *
	 * @since 6.5.0
	 *
	 * @param {Object}  data               An object of data to use for the button.
	 * @param {string}  data.slug          The plugin's slug.
	 * @param {string}  data.text          The text to use for the button.
	 * @param {string}  data.ariaLabel     The value for the button's aria-label attribute. An empty string removes the attribute.
	 * @param {string=} data.status        Optional. An identifier for the status.
	 * @param {string=} data.removeClasses Optional. A space-separated list of classes to remove from the button.
	 * @param {string=} data.addClasses    Optional. A space-separated list of classes to add to the button.
	 * @param {string=} data.href          Optional. The button's URL.
	 * @param {string=} data.pluginName    Optional. The plugin's name.
	 * @param {string=} data.plugin        Optional. The plugin file, relative to the plugins directory.
	 */
	wp.updates.setCardButtonStatus = function( data ) {
		var target = window.parent === window ? null : window.parent;

		$.support.postMessage = !! window.postMessage;
		if ( false !== $.support.postMessage && null !== target && -1 === window.parent.location.pathname.indexOf( 'index.php' ) ) {
			target.postMessage( JSON.stringify( data ), window.location.origin );
		}
	};

	/**
	 * Decrements the update counts throughout the various menus.
	 *
	 * This includes the toolbar, the "Updates" menu item and the menu items
	 * for plugins and themes.
	 *
	 * @since 3.9.0
	 *
	 * @param {string} type The type of item that was updated or deleted.
	 *                      Can be 'plugin', 'theme'.
	 */
	wp.updates.decrementCount = function( type ) {
		settings.totals.counts.total = Math.max( --settings.totals.counts.total, 0 );

		if ( 'plugin' === type ) {
			settings.totals.counts.plugins = Math.max( --settings.totals.counts.plugins, 0 );
		} else if ( 'theme' === type ) {
			settings.totals.counts.themes = Math.max( --settings.totals.counts.themes, 0 );
		}

		wp.updates.refreshCount( type );
	};

	/**
	 * Sends an Ajax request to the server to update a plugin.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 More accurately named `updatePlugin`.
	 *
	 * @param {Object}               args         Arguments.
	 * @param {string}               args.plugin  Plugin basename.
	 * @param {string}               args.slug    Plugin slug.
	 * @param {updatePluginSuccess=} args.success Optional. Success callback. Default: wp.updates.updatePluginSuccess
	 * @param {updatePluginError=}   args.error   Optional. Error callback. Default: wp.updates.updatePluginError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.updatePlugin = function( args ) {
		var $updateRow, $card, $message, message,
			$adminBarUpdates = $( '#wp-admin-bar-updates' ),
			buttonText = __( 'Updating...' ),
			isPluginInstall = 'plugin-install' === pagenow || 'plugin-install-network' === pagenow;

		args = _.extend( {
			success: wp.updates.updatePluginSuccess,
			error: wp.updates.updatePluginError
		}, args );

		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
			$updateRow = $( 'tr[data-plugin="' + args.plugin + '"]' );
			$message   = $updateRow.find( '.update-message' ).removeClass( 'notice-error' ).addClass( 'updating-message notice-warning' ).find( 'p' );
			message    = sprintf(
				/* translators: %s: Plugin name and version. */
 				_x( 'Updating %s...', 'plugin' ),
				$updateRow.find( '.plugin-title strong' ).text()
			);
		} else if ( isPluginInstall ) {
			$card    = $( '.plugin-card-' + args.slug + ', #plugin-information-footer' );
			$message = $card.find( '.update-now' ).addClass( 'updating-message' );
			message    = sprintf(
				/* translators: %s: Plugin name and version. */
 				_x( 'Updating %s...', 'plugin' ),
				$message.data( 'name' )
			);

			// Remove previous error messages, if any.
			$card.removeClass( 'plugin-card-update-failed' ).find( '.notice.notice-error' ).remove();
		}

		$adminBarUpdates.addClass( 'spin' );

		if ( $message.html() !== __( 'Updating...' ) ) {
			$message.data( 'originaltext', $message.html() );
		}

		$message
			.attr( 'aria-label', message )
			.text( buttonText );

		$document.trigger( 'wp-plugin-updating', args );

		if ( isPluginInstall && 'plugin-information-footer' === $card.attr( 'id' ) ) {
			wp.updates.setCardButtonStatus(
				{
					status: 'updating-plugin',
					slug: args.slug,
					addClasses: 'updating-message',
					text: buttonText,
					ariaLabel: message
				}
			);
		}

		return wp.updates.ajax( 'update-plugin', args );
	};

	/**
	 * Updates the UI appropriately after a successful plugin update.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 More accurately named `updatePluginSuccess`.
	 * @since 5.5.0 Auto-update "time to next update" text cleared.
	 *
	 * @param {Object} response            Response from the server.
	 * @param {string} response.slug       Slug of the plugin to be updated.
	 * @param {string} response.plugin     Basename of the plugin to be updated.
	 * @param {string} response.pluginName Name of the plugin to be updated.
	 * @param {string} response.oldVersion Old version of the plugin.
	 * @param {string} response.newVersion New version of the plugin.
	 */
	wp.updates.updatePluginSuccess = function( response ) {
		var $pluginRow, $updateMessage, newText,
			$adminBarUpdates = $( '#wp-admin-bar-updates' ),
			buttonText = _x( 'Updated!', 'plugin' ),
			ariaLabel = sprintf(
				/* translators: %s: Plugin name and version. */
				_x( '%s updated!', 'plugin' ),
				response.pluginName
			);

		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
			$pluginRow     = $( 'tr[data-plugin="' + response.plugin + '"]' )
				.removeClass( 'update is-enqueued' )
				.addClass( 'updated' );
			$updateMessage = $pluginRow.find( '.update-message' )
				.removeClass( 'updating-message notice-warning' )
				.addClass( 'updated-message notice-success' ).find( 'p' );

			// Update the version number in the row.
			newText = $pluginRow.find( '.plugin-version-author-uri' ).html().replace( response.oldVersion, response.newVersion );
			$pluginRow.find( '.plugin-version-author-uri' ).html( newText );

			// Clear the "time to next auto-update" text.
			$pluginRow.find( '.auto-update-time' ).empty();
		} else if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
			$updateMessage = $( '.plugin-card-' + response.slug + ', #plugin-information-footer' ).find( '.update-now' )
				.removeClass( 'updating-message' )
				.addClass( 'button-disabled updated-message' );
		}

		$adminBarUpdates.removeClass( 'spin' );

		$updateMessage
			.attr( 'aria-label', ariaLabel )
			.text( buttonText );

		wp.a11y.speak( __( 'Update completed successfully.' ) );

		if ( 'plugin_install_from_iframe' !== $updateMessage.attr( 'id' ) ) {
			wp.updates.decrementCount( 'plugin' );
		} else {
			wp.updates.setCardButtonStatus(
				{
					status: 'updated-plugin',
					slug: response.slug,
					removeClasses: 'updating-message',
					addClasses: 'button-disabled updated-message',
					text: buttonText,
					ariaLabel: ariaLabel
				}
			);
		}

		$document.trigger( 'wp-plugin-update-success', response );
	};

	/**
	 * Updates the UI appropriately after a failed plugin update.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 More accurately named `updatePluginError`.
	 *
	 * @param {Object}  response              Response from the server.
	 * @param {string}  response.slug         Slug of the plugin to be updated.
	 * @param {string}  response.plugin       Basename of the plugin to be updated.
	 * @param {string=} response.pluginName   Optional. Name of the plugin to be updated.
	 * @param {string}  response.errorCode    Error code for the error that occurred.
	 * @param {string}  response.errorMessage The error that occurred.
	 */
	wp.updates.updatePluginError = function( response ) {
		var $pluginRow, $card, $message, errorMessage, buttonText, ariaLabel,
			$adminBarUpdates = $( '#wp-admin-bar-updates' );

		if ( ! wp.updates.isValidResponse( response, 'update' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'update-plugin' ) ) {
			return;
		}

		errorMessage = sprintf(
			/* translators: %s: Error string for a failed update. */
			__( 'Update failed: %s' ),
			response.errorMessage
		);

		if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
			$pluginRow = $( 'tr[data-plugin="' + response.plugin + '"]' ).removeClass( 'is-enqueued' );

			if ( response.plugin ) {
				$message = $( 'tr[data-plugin="' + response.plugin + '"]' ).find( '.update-message' );
			} else {
				$message = $( 'tr[data-slug="' + response.slug + '"]' ).find( '.update-message' );
			}
			$message.removeClass( 'updating-message notice-warning' ).addClass( 'notice-error' ).find( 'p' ).html( errorMessage );

			if ( response.pluginName ) {
				$message.find( 'p' )
					.attr(
						'aria-label',
						sprintf(
							/* translators: %s: Plugin name and version. */
							_x( '%s update failed.', 'plugin' ),
							response.pluginName
						)
					);
			} else {
				$message.find( 'p' ).removeAttr( 'aria-label' );
			}
		} else if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
			buttonText = __( 'Update failed.' );

			$card = $( '.plugin-card-' + response.slug + ', #plugin-information-footer' )
				.append( wp.updates.adminNotice( {
					className: 'update-message notice-error notice-alt is-dismissible',
					message:   errorMessage
				} ) );

			if ( $card.hasClass( 'plugin-card-' + response.slug ) ) {
				$card.addClass( 'plugin-card-update-failed' );
			}

			$card.find( '.update-now' )
				.text( buttonText )
				.removeClass( 'updating-message' );

			if ( response.pluginName ) {
				ariaLabel = sprintf(
					/* translators: %s: Plugin name and version. */
					_x( '%s update failed.', 'plugin' ),
					response.pluginName
				);

				$card.find( '.update-now' ).attr( 'aria-label', ariaLabel );
			} else {
				ariaLabel = '';
				$card.find( '.update-now' ).removeAttr( 'aria-label' );
			}

			$card.on( 'click', '.notice.is-dismissible .notice-dismiss', function() {

				// Use same delay as the total duration of the notice fadeTo + slideUp animation.
				setTimeout( function() {
					$card
						.removeClass( 'plugin-card-update-failed' )
						.find( '.column-name a' ).trigger( 'focus' );

					$card.find( '.update-now' )
						.attr( 'aria-label', false )
						.text( __( 'Update Now' ) );
				}, 200 );
			} );
		}

		$adminBarUpdates.removeClass( 'spin' );

		wp.a11y.speak( errorMessage, 'assertive' );

		if ( 'plugin-information-footer' === $card.attr('id' ) ) {
			wp.updates.setCardButtonStatus(
				{
					status: 'plugin-update-failed',
					slug: response.slug,
					removeClasses: 'updating-message',
					text: buttonText,
					ariaLabel: ariaLabel
				}
			);
		}

		$document.trigger( 'wp-plugin-update-error', response );
	};

	/**
	 * Sends an Ajax request to the server to install a plugin.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}                args         Arguments.
	 * @param {string}                args.slug    Plugin identifier in the WordPress.org Plugin repository.
	 * @param {installPluginSuccess=} args.success Optional. Success callback. Default: wp.updates.installPluginSuccess
	 * @param {installPluginError=}   args.error   Optional. Error callback. Default: wp.updates.installPluginError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.installPlugin = function( args ) {
		var $card    = $( '.plugin-card-' + args.slug + ', #plugin-information-footer' ),
			$message = $card.find( '.install-now' ),
			buttonText = __( 'Installing...' ),
			ariaLabel;

		args = _.extend( {
			success: wp.updates.installPluginSuccess,
			error: wp.updates.installPluginError
		}, args );

		if ( 'import' === pagenow ) {
			$message = $( '[data-slug="' + args.slug + '"]' );
		}

		if ( $message.html() !== __( 'Installing...' ) ) {
			$message.data( 'originaltext', $message.html() );
		}

		ariaLabel = sprintf(
			/* translators: %s: Plugin name and version. */
			_x( 'Installing %s...', 'plugin' ),
			$message.data( 'name' )
		);

		$message
			.addClass( 'updating-message' )
			.attr( 'aria-label', ariaLabel )
			.text( buttonText );

		wp.a11y.speak( __( 'Installing... please wait.' ) );

		// Remove previous error messages, if any.
		$card.removeClass( 'plugin-card-install-failed' ).find( '.notice.notice-error' ).remove();

		$document.trigger( 'wp-plugin-installing', args );

		if ( 'plugin-information-footer' === $message.parent().attr( 'id' ) ) {
			wp.updates.setCardButtonStatus(
				{
					status: 'installing-plugin',
					slug: args.slug,
					addClasses: 'updating-message',
					text: buttonText,
					ariaLabel: ariaLabel
				}
			);
		}

		return wp.updates.ajax( 'install-plugin', args );
	};

	/**
	 * Updates the UI appropriately after a successful plugin install.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response             Response from the server.
	 * @param {string} response.slug        Slug of the installed plugin.
	 * @param {string} response.pluginName  Name of the installed plugin.
	 * @param {string} response.activateUrl URL to activate the just installed plugin.
	 */
	wp.updates.installPluginSuccess = function( response ) {
		var $message = $( '.plugin-card-' + response.slug + ', #plugin-information-footer' ).find( '.install-now' ),
			buttonText = _x( 'Installed!', 'plugin' ),
			ariaLabel = sprintf(
				/* translators: %s: Plugin name and version. */
				_x( '%s installed!', 'plugin' ),
				response.pluginName
			);

		$message
			.removeClass( 'updating-message' )
			.addClass( 'updated-message installed button-disabled' )
			.attr( 'aria-label', ariaLabel )
			.text( buttonText );

		wp.a11y.speak( __( 'Installation completed successfully.' ) );

		$document.trigger( 'wp-plugin-install-success', response );

		if ( response.activateUrl ) {
			setTimeout( function() {
				wp.updates.checkPluginDependencies( {
					slug: response.slug
				} );
			}, 1000 );
		}

		if ( 'plugin-information-footer' === $message.parent().attr( 'id' ) ) {
			wp.updates.setCardButtonStatus(
				{
					status: 'installed-plugin',
					slug: response.slug,
					removeClasses: 'updating-message',
					addClasses: 'updated-message installed button-disabled',
					text: buttonText,
					ariaLabel: ariaLabel
				}
			);
		}
	};

	/**
	 * Updates the UI appropriately after a failed plugin install.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}  response              Response from the server.
	 * @param {string}  response.slug         Slug of the plugin to be installed.
	 * @param {string=} response.pluginName   Optional. Name of the plugin to be installed.
	 * @param {string}  response.errorCode    Error code for the error that occurred.
	 * @param {string}  response.errorMessage The error that occurred.
	 */
	wp.updates.installPluginError = function( response ) {
		var $card   = $( '.plugin-card-' + response.slug + ', #plugin-information-footer' ),
			$button = $card.find( '.install-now' ),
			buttonText = __( 'Installation failed.' ),
			ariaLabel = sprintf(
				/* translators: %s: Plugin name and version. */
				_x( '%s installation failed', 'plugin' ),
				$button.data( 'name' )
			),
			errorMessage;

		if ( ! wp.updates.isValidResponse( response, 'install' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'install-plugin' ) ) {
			return;
		}

		errorMessage = sprintf(
			/* translators: %s: Error string for a failed installation. */
			__( 'Installation failed: %s' ),
			response.errorMessage
		);

		$card
			.addClass( 'plugin-card-update-failed' )
			.append( '<div class="notice notice-error notice-alt is-dismissible" role="alert"><p>' + errorMessage + '</p></div>' );

		$card.on( 'click', '.notice.is-dismissible .notice-dismiss', function() {

			// Use same delay as the total duration of the notice fadeTo + slideUp animation.
			setTimeout( function() {
				$card
					.removeClass( 'plugin-card-update-failed' )
					.find( '.column-name a' ).trigger( 'focus' );
			}, 200 );
		} );

		$button
			.removeClass( 'updating-message' ).addClass( 'button-disabled' )
			.attr( 'aria-label', ariaLabel )
			.text( buttonText );

		wp.a11y.speak( errorMessage, 'assertive' );

		wp.updates.setCardButtonStatus(
			{
				status: 'plugin-install-failed',
				slug: response.slug,
				removeClasses: 'updating-message',
				addClasses: 'button-disabled',
				text: buttonText,
				ariaLabel: ariaLabel
			}
		);

		$document.trigger( 'wp-plugin-install-error', response );
	};

	/**
	 * Sends an Ajax request to the server to check a plugin's dependencies.
	 *
	 * @since 6.5.0
	 *
	 * @param {Object}                          args         Arguments.
	 * @param {string}                          args.slug    Plugin identifier in the WordPress.org Plugin repository.
	 * @param {checkPluginDependenciesSuccess=} args.success Optional. Success callback. Default: wp.updates.checkPluginDependenciesSuccess
	 * @param {checkPluginDependenciesError=}   args.error   Optional. Error callback. Default: wp.updates.checkPluginDependenciesError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.checkPluginDependencies = function( args ) {
		args = _.extend( {
			success: wp.updates.checkPluginDependenciesSuccess,
			error: wp.updates.checkPluginDependenciesError
		}, args );

		wp.a11y.speak( __( 'Checking plugin dependencies... please wait.' ) );
		$document.trigger( 'wp-checking-plugin-dependencies', args );

		return wp.updates.ajax( 'check_plugin_dependencies', args );
	};

	/**
	 * Updates the UI appropriately after a successful plugin dependencies check.
	 *
	 * @since 6.5.0
	 *
	 * @param {Object} response             Response from the server.
	 * @param {string} response.slug        Slug of the checked plugin.
	 * @param {string} response.pluginName  Name of the checked plugin.
	 * @param {string} response.plugin      The plugin file, relative to the plugins directory.
	 * @param {string} response.activateUrl URL to activate the just checked plugin.
	 */
	wp.updates.checkPluginDependenciesSuccess = function( response ) {
		var $message = $( '.plugin-card-' + response.slug + ', #plugin-information-footer' ).find( '.install-now' ),
			buttonText, ariaLabel;

		// Transform the 'Install' button into an 'Activate' button.
		$message
			.removeClass( 'install-now installed button-disabled updated-message' )
			.addClass( 'activate-now button-primary' )
			.attr( 'href', response.activateUrl );

		wp.a11y.speak( __( 'Plugin dependencies check completed successfully.' ) );
		$document.trigger( 'wp-check-plugin-dependencies-success', response );

		if ( 'plugins-network' === pagenow || 'plugin-install-network' === pagenow ) {
			buttonText = _x( 'Network Activate', 'plugin' );
			ariaLabel  = sprintf(
				/* translators: %s: Plugin name. */
				_x( 'Network Activate %s', 'plugin' ),
				response.pluginName
			);

			$message
				.attr( 'aria-label', ariaLabel )
				.text( buttonText );
		} else {
			buttonText = _x( 'Activate', 'plugin' );
			ariaLabel = sprintf(
				/* translators: %s: Plugin name. */
				_x( 'Activate %s', 'plugin' ),
				response.pluginName
			);

			$message
				.attr( 'aria-label', ariaLabel )
				.attr( 'data-name', response.pluginName )
				.attr( 'data-slug', response.slug )
				.attr( 'data-plugin', response.plugin )
				.text( buttonText );
		}

		if ( 'plugin-information-footer' === $message.parent().attr( 'id' ) ) {
			wp.updates.setCardButtonStatus(
				{
					status: 'dependencies-check-success',
					slug: response.slug,
					removeClasses: 'install-now installed button-disabled updated-message',
					addClasses: 'activate-now button-primary',
					text: buttonText,
					ariaLabel: ariaLabel,
					pluginName: response.pluginName,
					plugin: response.plugin,
					href: response.activateUrl
				}
			);
		}
	};

	/**
	 * Updates the UI appropriately after a failed plugin dependencies check.
	 *
	 * @since 6.5.0
	 *
	 * @param {Object}  response              Response from the server.
	 * @param {string}  response.slug         Slug of the plugin to be checked.
	 * @param {string=} response.pluginName   Optional. Name of the plugin to be checked.
	 * @param {string}  response.errorCode    Error code for the error that occurred.
	 * @param {string}  response.errorMessage The error that occurred.
	 */
	wp.updates.checkPluginDependenciesError = function( response ) {
		var $message = $( '.plugin-card-' + response.slug + ', #plugin-information-footer' ).find( '.install-now' ),
			buttonText = _x( 'Activate', 'plugin' ),
			ariaLabel = sprintf(
				/* translators: 1: Plugin name, 2. The reason the plugin cannot be activated. */
				_x( 'Cannot activate %1$s. %2$s', 'plugin' ),
				response.pluginName,
				response.errorMessage
			),
			errorMessage;

		if ( ! wp.updates.isValidResponse( response, 'check-dependencies' ) ) {
			return;
		}

		errorMessage = sprintf(
			/* translators: %s: Error string for a failed activation. */
			__( 'Activation failed: %s' ),
			response.errorMessage
		);

		wp.a11y.speak( errorMessage, 'assertive' );
		$document.trigger( 'wp-check-plugin-dependencies-error', response );

		$message
			.removeClass( 'install-now installed updated-message' )
			.addClass( 'activate-now button-primary' )
			.attr( 'aria-label', ariaLabel )
			.text( buttonText );

		if ( 'plugin-information-footer' === $message.parent().attr('id' ) ) {
			wp.updates.setCardButtonStatus(
				{
					status: 'dependencies-check-failed',
					slug: response.slug,
					removeClasses: 'install-now installed updated-message',
					addClasses: 'activate-now button-primary',
					text: buttonText,
					ariaLabel: ariaLabel
				}
			);
		}
	};

	/**
	 * Sends an Ajax request to the server to activate a plugin.
	 *
	 * @since 6.5.0
	 *
	 * @param {Object}                 args         Arguments.
	 * @param {string}                 args.name    The name of the plugin.
	 * @param {string}                 args.slug    Plugin identifier in the WordPress.org Plugin repository.
	 * @param {string}                 args.plugin  The plugin file, relative to the plugins directory.
	 * @param {activatePluginSuccess=} args.success Optional. Success callback. Default: wp.updates.activatePluginSuccess
	 * @param {activatePluginError=}   args.error   Optional. Error callback. Default: wp.updates.activatePluginError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.activatePlugin = function( args ) {
		var $message = $( '.plugin-card-' + args.slug + ', #plugin-information-footer' ).find( '.activate-now, .activating-message' );

		args = _.extend( {
			success: wp.updates.activatePluginSuccess,
			error: wp.updates.activatePluginError
		}, args );

		wp.a11y.speak( __( 'Activating... please wait.' ) );
		$document.trigger( 'wp-activating-plugin', args );

		if ( 'plugin-information-footer' === $message.parent().attr( 'id' ) ) {
			wp.updates.setCardButtonStatus(
				{
					status: 'activating-plugin',
					slug: args.slug,
					removeClasses: 'installed updated-message button-primary',
					addClasses: 'activating-message',
					text: __( 'Activating...' ),
					ariaLabel: sprintf(
						/* translators: %s: Plugin name. */
						_x( 'Activating %s', 'plugin' ),
						args.name
					)
				}
			);
		}

		return wp.updates.ajax( 'activate-plugin', args );
	};

	/**
	 * Updates the UI appropriately after a successful plugin activation.
	 *
	 * @since 6.5.0
	 *
	 * @param {Object} response             Response from the server.
	 * @param {string} response.slug        Slug of the activated plugin.
	 * @param {string} response.pluginName  Name of the activated plugin.
	 * @param {string} response.plugin      The plugin file, relative to the plugins directory.
	 */
	wp.updates.activatePluginSuccess = function( response ) {
		var $message = $( '.plugin-card-' + response.slug + ', #plugin-information-footer' ).find( '.activating-message' ),
			buttonText = _x( 'Activated!', 'plugin' ),
			ariaLabel = sprintf(
				/* translators: %s: The plugin name. */
				'%s activated successfully.',
				response.pluginName
			);

		wp.a11y.speak( __( 'Activation completed successfully.' ) );
		$document.trigger( 'wp-plugin-activate-success', response );

		$message
			.removeClass( 'activating-message' )
			.addClass( 'activated-message button-disabled' )
			.attr( 'aria-label', ariaLabel )
			.text( buttonText );

		if ( 'plugin-information-footer' === $message.parent().attr( 'id' ) ) {
			wp.updates.setCardButtonStatus(
				{
					status: 'activated-plugin',
					slug: response.slug,
					removeClasses: 'activating-message',
					addClasses: 'activated-message button-disabled',
					text: buttonText,
					ariaLabel: ariaLabel
				}
			);
		}

		setTimeout( function() {
			$message.removeClass( 'activated-message' )
			.text( _x( 'Active', 'plugin' ) );

			if ( 'plugin-information-footer' === $message.parent().attr( 'id' ) ) {
				wp.updates.setCardButtonStatus(
					{
						status: 'plugin-active',
						slug: response.slug,
						removeClasses: 'activated-message',
						text: _x( 'Active', 'plugin' ),
						ariaLabel: sprintf(
							/* translators: %s: The plugin name. */
							'%s is active.',
							response.pluginName
						)
					}
				);
			}
		}, 1000 );
	};

	/**
	 * Updates the UI appropriately after a failed plugin activation.
	 *
	 * @since 6.5.0
	 *
	 * @param {Object}  response              Response from the server.
	 * @param {string}  response.slug         Slug of the plugin to be activated.
	 * @param {string=} response.pluginName   Optional. Name of the plugin to be activated.
	 * @param {string}  response.errorCode    Error code for the error that occurred.
	 * @param {string}  response.errorMessage The error that occurred.
	 */
	wp.updates.activatePluginError = function( response ) {
		var $message = $( '.plugin-card-' + response.slug + ', #plugin-information-footer' ).find( '.activating-message' ),
			buttonText = __( 'Activation failed.' ),
			ariaLabel = sprintf(
				/* translators: %s: Plugin name. */
				_x( '%s activation failed', 'plugin' ),
				response.pluginName
			),
			errorMessage;

		if ( ! wp.updates.isValidResponse( response, 'activate' ) ) {
			return;
		}

		errorMessage = sprintf(
			/* translators: %s: Error string for a failed activation. */
			__( 'Activation failed: %s' ),
			response.errorMessage
		);

		wp.a11y.speak( errorMessage, 'assertive' );
		$document.trigger( 'wp-plugin-activate-error', response );

		$message
			.removeClass( 'install-now installed activating-message' )
			.addClass( 'button-disabled' )
			.attr( 'aria-label', ariaLabel )
			.text( buttonText );

		if ( 'plugin-information-footer' === $message.parent().attr( 'id' ) ) {
			wp.updates.setCardButtonStatus(
				{
					status: 'plugin-activation-failed',
					slug: response.slug,
					removeClasses: 'install-now installed activating-message',
					addClasses: 'button-disabled',
					text: buttonText,
					ariaLabel: ariaLabel
				}
			);
		}
	};

	/**
	 * Updates the UI appropriately after a successful importer install.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response             Response from the server.
	 * @param {string} response.slug        Slug of the installed plugin.
	 * @param {string} response.pluginName  Name of the installed plugin.
	 * @param {string} response.activateUrl URL to activate the just installed plugin.
	 */
	wp.updates.installImporterSuccess = function( response ) {
		wp.updates.addAdminNotice( {
			id:        'install-success',
			className: 'notice-success is-dismissible',
			message:   sprintf(
				/* translators: %s: Activation URL. */
				__( 'Importer installed successfully. <a href="%s">Run importer</a>' ),
				response.activateUrl + '&from=import'
			)
		} );

		$( '[data-slug="' + response.slug + '"]' )
			.removeClass( 'install-now updating-message' )
			.addClass( 'activate-now' )
			.attr({
				'href': response.activateUrl + '&from=import',
				'aria-label':sprintf(
					/* translators: %s: Importer name. */
					__( 'Run %s' ),
					response.pluginName
				)
			})
			.text( __( 'Run Importer' ) );

		wp.a11y.speak( __( 'Installation completed successfully.' ) );

		$document.trigger( 'wp-importer-install-success', response );
	};

	/**
	 * Updates the UI appropriately after a failed importer install.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}  response              Response from the server.
	 * @param {string}  response.slug         Slug of the plugin to be installed.
	 * @param {string=} response.pluginName   Optional. Name of the plugin to be installed.
	 * @param {string}  response.errorCode    Error code for the error that occurred.
	 * @param {string}  response.errorMessage The error that occurred.
	 */
	wp.updates.installImporterError = function( response ) {
		var errorMessage = sprintf(
				/* translators: %s: Error string for a failed installation. */
				__( 'Installation failed: %s' ),
				response.errorMessage
			),
			$installLink = $( '[data-slug="' + response.slug + '"]' ),
			pluginName = $installLink.data( 'name' );

		if ( ! wp.updates.isValidResponse( response, 'install' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'install-plugin' ) ) {
			return;
		}

		wp.updates.addAdminNotice( {
			id:        response.errorCode,
			className: 'notice-error is-dismissible',
			message:   errorMessage
		} );

		$installLink
			.removeClass( 'updating-message' )
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Plugin name. */
					_x( 'Install %s now', 'plugin' ),
					pluginName
				)
			)
			.text( _x( 'Install Now', 'plugin' ) );

		wp.a11y.speak( errorMessage, 'assertive' );

		$document.trigger( 'wp-importer-install-error', response );
	};

	/**
	 * Sends an Ajax request to the server to delete a plugin.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}               args         Arguments.
	 * @param {string}               args.plugin  Basename of the plugin to be deleted.
	 * @param {string}               args.slug    Slug of the plugin to be deleted.
	 * @param {deletePluginSuccess=} args.success Optional. Success callback. Default: wp.updates.deletePluginSuccess
	 * @param {deletePluginError=}   args.error   Optional. Error callback. Default: wp.updates.deletePluginError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.deletePlugin = function( args ) {
		var $link = $( '[data-plugin="' + args.plugin + '"]' ).find( '.row-actions a.delete' );

		args = _.extend( {
			success: wp.updates.deletePluginSuccess,
			error: wp.updates.deletePluginError
		}, args );

		if ( $link.html() !== __( 'Deleting...' ) ) {
			$link
				.data( 'originaltext', $link.html() )
				.text( __( 'Deleting...' ) );
		}

		wp.a11y.speak( __( 'Deleting...' ) );

		$document.trigger( 'wp-plugin-deleting', args );

		return wp.updates.ajax( 'delete-plugin', args );
	};

	/**
	 * Updates the UI appropriately after a successful plugin deletion.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response            Response from the server.
	 * @param {string} response.slug       Slug of the plugin that was deleted.
	 * @param {string} response.plugin     Base name of the plugin that was deleted.
	 * @param {string} response.pluginName Name of the plugin that was deleted.
	 */
	wp.updates.deletePluginSuccess = function( response ) {

		// Removes the plugin and updates rows.
		$( '[data-plugin="' + response.plugin + '"]' ).css( { backgroundColor: '#faafaa' } ).fadeOut( 350, function() {
			var $form            = $( '#bulk-action-form' ),
				$views           = $( '.subsubsub' ),
				$pluginRow       = $( this ),
				$currentView     = $views.find( '[aria-current="page"]' ),
				$itemsCount      = $( '.displaying-num' ),
				columnCount      = $form.find( 'thead th:not(.hidden), thead td' ).length,
				pluginDeletedRow = wp.template( 'item-deleted-row' ),
				/**
				 * Plugins Base names of plugins in their different states.
				 *
				 * @type {Object}
				 */
				plugins          = settings.plugins,
				remainingCount;

			// Add a success message after deleting a plugin.
			if ( ! $pluginRow.hasClass( 'plugin-update-tr' ) ) {
				$pluginRow.after(
					pluginDeletedRow( {
						slug:    response.slug,
						plugin:  response.plugin,
						colspan: columnCount,
						name:    response.pluginName
					} )
				);
			}

			$pluginRow.remove();

			// Remove plugin from update count.
			if ( -1 !== _.indexOf( plugins.upgrade, response.plugin ) ) {
				plugins.upgrade = _.without( plugins.upgrade, response.plugin );
				wp.updates.decrementCount( 'plugin' );
			}

			// Remove from views.
			if ( -1 !== _.indexOf( plugins.inactive, response.plugin ) ) {
				plugins.inactive = _.without( plugins.inactive, response.plugin );
				if ( plugins.inactive.length ) {
					$views.find( '.inactive .count' ).text( '(' + plugins.inactive.length + ')' );
				} else {
					$views.find( '.inactive' ).remove();
				}
			}

			if ( -1 !== _.indexOf( plugins.active, response.plugin ) ) {
				plugins.active = _.without( plugins.active, response.plugin );
				if ( plugins.active.length ) {
					$views.find( '.active .count' ).text( '(' + plugins.active.length + ')' );
				} else {
					$views.find( '.active' ).remove();
				}
			}

			if ( -1 !== _.indexOf( plugins.recently_activated, response.plugin ) ) {
				plugins.recently_activated = _.without( plugins.recently_activated, response.plugin );
				if ( plugins.recently_activated.length ) {
					$views.find( '.recently_activated .count' ).text( '(' + plugins.recently_activated.length + ')' );
				} else {
					$views.find( '.recently_activated' ).remove();
				}
			}

			if ( -1 !== _.indexOf( plugins['auto-update-enabled'], response.plugin ) ) {
				plugins['auto-update-enabled'] = _.without( plugins['auto-update-enabled'], response.plugin );
				if ( plugins['auto-update-enabled'].length ) {
					$views.find( '.auto-update-enabled .count' ).text( '(' + plugins['auto-update-enabled'].length + ')' );
				} else {
					$views.find( '.auto-update-enabled' ).remove();
				}
			}

			if ( -1 !== _.indexOf( plugins['auto-update-disabled'], response.plugin ) ) {
				plugins['auto-update-disabled'] = _.without( plugins['auto-update-disabled'], response.plugin );
				if ( plugins['auto-update-disabled'].length ) {
					$views.find( '.auto-update-disabled .count' ).text( '(' + plugins['auto-update-disabled'].length + ')' );
				} else {
					$views.find( '.auto-update-disabled' ).remove();
				}
			}

			plugins.all = _.without( plugins.all, response.plugin );

			if ( plugins.all.length ) {
				$views.find( '.all .count' ).text( '(' + plugins.all.length + ')' );
			} else {
				$form.find( '.tablenav' ).css( { visibility: 'hidden' } );
				$views.find( '.all' ).remove();

				if ( ! $form.find( 'tr.no-items' ).length ) {
					$form.find( '#the-list' ).append( '<tr class="no-items"><td class="colspanchange" colspan="' + columnCount + '">' + __( 'No plugins are currently available.' ) + '</td></tr>' );
				}
			}

			if ( $itemsCount.length && $currentView.length ) {
				remainingCount = plugins[ $currentView.parent( 'li' ).attr('class') ].length;
				$itemsCount.text(
					sprintf(
						/* translators: %s: The remaining number of plugins. */
						_nx( '%s item', '%s items', remainingCount, 'plugin/plugins'  ),
						remainingCount
					)
				);
			}
		} );

		wp.a11y.speak( _x( 'Deleted!', 'plugin' ) );

		$document.trigger( 'wp-plugin-delete-success', response );
	};

	/**
	 * Updates the UI appropriately after a failed plugin deletion.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}  response              Response from the server.
	 * @param {string}  response.slug         Slug of the plugin to be deleted.
	 * @param {string}  response.plugin       Base name of the plugin to be deleted
	 * @param {string=} response.pluginName   Optional. Name of the plugin to be deleted.
	 * @param {string}  response.errorCode    Error code for the error that occurred.
	 * @param {string}  response.errorMessage The error that occurred.
	 */
	wp.updates.deletePluginError = function( response ) {
		var $plugin, $pluginUpdateRow,
			pluginUpdateRow  = wp.template( 'item-update-row' ),
			noticeContent    = wp.updates.adminNotice( {
				className: 'update-message notice-error notice-alt',
				message:   response.errorMessage
			} );

		if ( response.plugin ) {
			$plugin          = $( 'tr.inactive[data-plugin="' + response.plugin + '"]' );
			$pluginUpdateRow = $plugin.siblings( '[data-plugin="' + response.plugin + '"]' );
		} else {
			$plugin          = $( 'tr.inactive[data-slug="' + response.slug + '"]' );
			$pluginUpdateRow = $plugin.siblings( '[data-slug="' + response.slug + '"]' );
		}

		if ( ! wp.updates.isValidResponse( response, 'delete' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'delete-plugin' ) ) {
			return;
		}

		// Add a plugin update row if it doesn't exist yet.
		if ( ! $pluginUpdateRow.length ) {
			$plugin.addClass( 'update' ).after(
				pluginUpdateRow( {
					slug:    response.slug,
					plugin:  response.plugin || response.slug,
					colspan: $( '#bulk-action-form' ).find( 'thead th:not(.hidden), thead td' ).length,
					content: noticeContent
				} )
			);
		} else {

			// Remove previous error messages, if any.
			$pluginUpdateRow.find( '.notice-error' ).remove();

			$pluginUpdateRow.find( '.plugin-update' ).append( noticeContent );
		}

		$document.trigger( 'wp-plugin-delete-error', response );
	};

	/**
	 * Sends an Ajax request to the server to update a theme.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}              args         Arguments.
	 * @param {string}              args.slug    Theme stylesheet.
	 * @param {updateThemeSuccess=} args.success Optional. Success callback. Default: wp.updates.updateThemeSuccess
	 * @param {updateThemeError=}   args.error   Optional. Error callback. Default: wp.updates.updateThemeError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.updateTheme = function( args ) {
		var $notice;

		args = _.extend( {
			success: wp.updates.updateThemeSuccess,
			error: wp.updates.updateThemeError
		}, args );

		if ( 'themes-network' === pagenow ) {
			$notice = $( '[data-slug="' + args.slug + '"]' ).find( '.update-message' ).removeClass( 'notice-error' ).addClass( 'updating-message notice-warning' ).find( 'p' );

		} else if ( 'customize' === pagenow ) {

			// Update the theme details UI.
			$notice = $( '[data-slug="' + args.slug + '"].notice' ).removeClass( 'notice-large' );

			$notice.find( 'h3' ).remove();

			// Add the top-level UI, and update both.
			$notice = $notice.add( $( '#customize-control-installed_theme_' + args.slug ).find( '.update-message' ) );
			$notice = $notice.addClass( 'updating-message' ).find( 'p' );

		} else {
			$notice = $( '#update-theme' ).closest( '.notice' ).removeClass( 'notice-large' );

			$notice.find( 'h3' ).remove();

			$notice = $notice.add( $( '[data-slug="' + args.slug + '"]' ).find( '.update-message' ) );
			$notice = $notice.addClass( 'updating-message' ).find( 'p' );
		}

		if ( $notice.html() !== __( 'Updating...' ) ) {
			$notice.data( 'originaltext', $notice.html() );
		}

		wp.a11y.speak( __( 'Updating... please wait.' ) );
		$notice.text( __( 'Updating...' ) );

		$document.trigger( 'wp-theme-updating', args );

		return wp.updates.ajax( 'update-theme', args );
	};

	/**
	 * Updates the UI appropriately after a successful theme update.
	 *
	 * @since 4.6.0
	 * @since 5.5.0 Auto-update "time to next update" text cleared.
	 *
	 * @param {Object} response
	 * @param {string} response.slug       Slug of the theme to be updated.
	 * @param {Object} response.theme      Updated theme.
	 * @param {string} response.oldVersion Old version of the theme.
	 * @param {string} response.newVersion New version of the theme.
	 */
	wp.updates.updateThemeSuccess = function( response ) {
		var isModalOpen    = $( 'body.modal-open' ).length,
			$theme         = $( '[data-slug="' + response.slug + '"]' ),
			updatedMessage = {
				className: 'updated-message notice-success notice-alt',
				message:   _x( 'Updated!', 'theme' )
			},
			$notice, newText;

		if ( 'customize' === pagenow ) {
			$theme = $( '.updating-message' ).siblings( '.theme-name' );

			if ( $theme.length ) {

				// Update the version number in the row.
				newText = $theme.html().replace( response.oldVersion, response.newVersion );
				$theme.html( newText );
			}

			$notice = $( '.theme-info .notice' ).add( wp.customize.control( 'installed_theme_' + response.slug ).container.find( '.theme' ).find( '.update-message' ) );
		} else if ( 'themes-network' === pagenow ) {
			$notice = $theme.find( '.update-message' );

			// Update the version number in the row.
			newText = $theme.find( '.theme-version-author-uri' ).html().replace( response.oldVersion, response.newVersion );
			$theme.find( '.theme-version-author-uri' ).html( newText );

			// Clear the "time to next auto-update" text.
			$theme.find( '.auto-update-time' ).empty();
		} else {
			$notice = $( '.theme-info .notice' ).add( $theme.find( '.update-message' ) );

			// Focus on Customize button after updating.
			if ( isModalOpen ) {
				$( '.load-customize:visible' ).trigger( 'focus' );
				$( '.theme-info .theme-autoupdate' ).find( '.auto-update-time' ).empty();
			} else {
				$theme.find( '.load-customize' ).trigger( 'focus' );
			}
		}

		wp.updates.addAdminNotice( _.extend( { selector: $notice }, updatedMessage ) );
		wp.a11y.speak( __( 'Update completed successfully.' ) );

		wp.updates.decrementCount( 'theme' );

		$document.trigger( 'wp-theme-update-success', response );

		// Show updated message after modal re-rendered.
		if ( isModalOpen && 'customize' !== pagenow ) {
			$( '.theme-info .theme-author' ).after( wp.updates.adminNotice( updatedMessage ) );
		}
	};

	/**
	 * Updates the UI appropriately after a failed theme update.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response              Response from the server.
	 * @param {string} response.slug         Slug of the theme to be updated.
	 * @param {string} response.errorCode    Error code for the error that occurred.
	 * @param {string} response.errorMessage The error that occurred.
	 */
	wp.updates.updateThemeError = function( response ) {
		var $theme       = $( '[data-slug="' + response.slug + '"]' ),
			errorMessage = sprintf(
				/* translators: %s: Error string for a failed update. */
				 __( 'Update failed: %s' ),
				response.errorMessage
			),
			$notice;

		if ( ! wp.updates.isValidResponse( response, 'update' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'update-theme' ) ) {
			return;
		}

		if ( 'customize' === pagenow ) {
			$theme = wp.customize.control( 'installed_theme_' + response.slug ).container.find( '.theme' );
		}

		if ( 'themes-network' === pagenow ) {
			$notice = $theme.find( '.update-message ' );
		} else {
			$notice = $( '.theme-info .notice' ).add( $theme.find( '.notice' ) );

			$( 'body.modal-open' ).length ? $( '.load-customize:visible' ).trigger( 'focus' ) : $theme.find( '.load-customize' ).trigger( 'focus');
		}

		wp.updates.addAdminNotice( {
			selector:  $notice,
			className: 'update-message notice-error notice-alt is-dismissible',
			message:   errorMessage
		} );

		wp.a11y.speak( errorMessage );

		$document.trigger( 'wp-theme-update-error', response );
	};

	/**
	 * Sends an Ajax request to the server to install a theme.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}               args
	 * @param {string}               args.slug    Theme stylesheet.
	 * @param {installThemeSuccess=} args.success Optional. Success callback. Default: wp.updates.installThemeSuccess
	 * @param {installThemeError=}   args.error   Optional. Error callback. Default: wp.updates.installThemeError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.installTheme = function( args ) {
		var $message = $( '.theme-install[data-slug="' + args.slug + '"]' );

		args = _.extend( {
			success: wp.updates.installThemeSuccess,
			error: wp.updates.installThemeError
		}, args );

		$message.addClass( 'updating-message' );
		$message.parents( '.theme' ).addClass( 'focus' );
		if ( $message.html() !== __( 'Installing...' ) ) {
			$message.data( 'originaltext', $message.html() );
		}

		$message
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Theme name and version. */
					_x( 'Installing %s...', 'theme' ),
					$message.data( 'name' )
				)
			)
			.text( __( 'Installing...' ) );

		wp.a11y.speak( __( 'Installing... please wait.' ) );

		// Remove previous error messages, if any.
		$( '.install-theme-info, [data-slug="' + args.slug + '"]' ).removeClass( 'theme-install-failed' ).find( '.notice.notice-error' ).remove();

		$document.trigger( 'wp-theme-installing', args );

		return wp.updates.ajax( 'install-theme', args );
	};

	/**
	 * Updates the UI appropriately after a successful theme install.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response              Response from the server.
	 * @param {string} response.slug         Slug of the theme to be installed.
	 * @param {string} response.customizeUrl URL to the Customizer for the just installed theme.
	 * @param {string} response.activateUrl  URL to activate the just installed theme.
	 */
	wp.updates.installThemeSuccess = function( response ) {
		var $card = $( '.wp-full-overlay-header, [data-slug=' + response.slug + ']' ),
			$message;

		$document.trigger( 'wp-theme-install-success', response );

		$message = $card.find( '.button-primary' )
			.removeClass( 'updating-message' )
			.addClass( 'updated-message disabled' )
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Theme name and version. */
					_x( '%s installed!', 'theme' ),
					response.themeName
				)
			)
			.text( _x( 'Installed!', 'theme' ) );

		wp.a11y.speak( __( 'Installation completed successfully.' ) );

		setTimeout( function() {

			if ( response.activateUrl ) {

				// Transform the 'Install' button into an 'Activate' button.
				$message
					.attr( 'href', response.activateUrl )
					.removeClass( 'theme-install updated-message disabled' )
					.addClass( 'activate' );

				if ( 'themes-network' === pagenow ) {
					$message
						.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Theme name. */
								_x( 'Network Activate %s', 'theme' ),
								response.themeName
							)
						)
						.text( __( 'Network Enable' ) );
				} else {
					$message
						.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Theme name. */
								_x( 'Activate %s', 'theme' ),
								response.themeName
							)
						)
						.text( _x( 'Activate', 'theme' ) );
				}
			}

			if ( response.customizeUrl ) {

				// Transform the 'Preview' button into a 'Live Preview' button.
				$message.siblings( '.preview' ).replaceWith( function () {
					return $( '<a>' )
						.attr( 'href', response.customizeUrl )
						.addClass( 'button load-customize' )
						.text( __( 'Live Preview' ) );
				} );
			}
		}, 1000 );
	};

	/**
	 * Updates the UI appropriately after a failed theme install.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response              Response from the server.
	 * @param {string} response.slug         Slug of the theme to be installed.
	 * @param {string} response.errorCode    Error code for the error that occurred.
	 * @param {string} response.errorMessage The error that occurred.
	 */
	wp.updates.installThemeError = function( response ) {
		var $card, $button,
			errorMessage = sprintf(
				/* translators: %s: Error string for a failed installation. */
				__( 'Installation failed: %s' ),
				response.errorMessage
			),
			$message     = wp.updates.adminNotice( {
				className: 'update-message notice-error notice-alt',
				message:   errorMessage
			} );

		if ( ! wp.updates.isValidResponse( response, 'install' ) ) {
			return;
		}

		if ( wp.updates.maybeHandleCredentialError( response, 'install-theme' ) ) {
			return;
		}

		if ( 'customize' === pagenow ) {
			if ( $document.find( 'body' ).hasClass( 'modal-open' ) ) {
				$button = $( '.theme-install[data-slug="' + response.slug + '"]' );
				$card   = $( '.theme-overlay .theme-info' ).prepend( $message );
			} else {
				$button = $( '.theme-install[data-slug="' + response.slug + '"]' );
				$card   = $button.closest( '.theme' ).addClass( 'theme-install-failed' ).append( $message );
			}
			wp.customize.notifications.remove( 'theme_installing' );
		} else {
			if ( $document.find( 'body' ).hasClass( 'full-overlay-active' ) ) {
				$button = $( '.theme-install[data-slug="' + response.slug + '"]' );
				$card   = $( '.install-theme-info' ).prepend( $message );
			} else {
				$card   = $( '[data-slug="' + response.slug + '"]' ).removeClass( 'focus' ).addClass( 'theme-install-failed' ).append( $message );
				$button = $card.find( '.theme-install' );
			}
		}

		$button
			.removeClass( 'updating-message' )
			.attr(
				'aria-label',
				sprintf(
					/* translators: %s: Theme name and version. */
					_x( '%s installation failed', 'theme' ),
					$button.data( 'name' )
				)
			)
			.text( __( 'Installation failed.' ) );

		wp.a11y.speak( errorMessage, 'assertive' );

		$document.trigger( 'wp-theme-install-error', response );
	};

	/**
	 * Sends an Ajax request to the server to delete a theme.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object}              args
	 * @param {string}              args.slug    Theme stylesheet.
	 * @param {deleteThemeSuccess=} args.success Optional. Success callback. Default: wp.updates.deleteThemeSuccess
	 * @param {deleteThemeError=}   args.error   Optional. Error callback. Default: wp.updates.deleteThemeError
	 * @return {$.promise} A jQuery promise that represents the request,
	 *                     decorated with an abort() method.
	 */
	wp.updates.deleteTheme = function( args ) {
		var $button;

		if ( 'themes' === pagenow ) {
			$button = $( '.theme-actions .delete-theme' );
		} else if ( 'themes-network' === pagenow ) {
			$button = $( '[data-slug="' + args.slug + '"]' ).find( '.row-actions a.delete' );
		}

		args = _.extend( {
			success: wp.updates.deleteThemeSuccess,
			error: wp.updates.deleteThemeError
		}, args );

		if ( $button && $button.html() !== __( 'Deleting...' ) ) {
			$button
				.data( 'originaltext', $button.html() )
				.text( __( 'Deleting...' ) );
		}

		wp.a11y.speak( __( 'Deleting...' ) );

		// Remove previous error messages, if any.
		$( '.theme-info .update-message' ).remove();

		$document.trigger( 'wp-theme-deleting', args );

		return wp.updates.ajax( 'delete-theme', args );
	};

	/**
	 * Updates the UI appropriately after a successful theme deletion.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response      Response from the server.
	 * @param {string} response.slug Slug of the theme that was deleted.
	 */
	wp.updates.deleteThemeSuccess = function( response ) {
		var $themeRows = $( '[data-slug="' + response.slug + '"]' );

		if ( 'themes-network' === pagenow ) {

			// Removes the theme and updates rows.
			$themeRows.css( { backgroundColor: '#faafaa' } ).fadeOut( 350, function() {
				var $views     = $( '.subsubsub' ),
					$themeRow  = $( this ),
					themes     = settings.themes,
					deletedRow = wp.template( 'item-deleted-row' );

				if ( ! $themeRow.hasClass( 'plugin-update-tr' ) ) {
					$themeRow.after(
						deletedRow( {
							slug:    response.slug,
							colspan: $( '#bulk-action-form' ).find( 'thead th:not(.hidden), thead td' ).length,
							name:    $themeRow.find( '.theme-title strong' ).text()
						} )
					);
				}

				$themeRow.remove();

				// Remove theme from update count.
				if ( -1 !== _.indexOf( themes.upgrade, response.slug ) ) {
					themes.upgrade = _.without( themes.upgrade, response.slug );
					wp.updates.decrementCount( 'theme' );
				}

				// Remove from views.
				if ( -1 !== _.indexOf( themes.disabled, response.slug ) ) {
					themes.disabled = _.without( themes.disabled, response.slug );
					if ( themes.disabled.length ) {
						$views.find( '.disabled .count' ).text( '(' + themes.disabled.length + ')' );
					} else {
						$views.find( '.disabled' ).remove();
					}
				}

				if ( -1 !== _.indexOf( themes['auto-update-enabled'], response.slug ) ) {
					themes['auto-update-enabled'] = _.without( themes['auto-update-enabled'], response.slug );
					if ( themes['auto-update-enabled'].length ) {
						$views.find( '.auto-update-enabled .count' ).text( '(' + themes['auto-update-enabled'].length + ')' );
					} else {
						$views.find( '.auto-update-enabled' ).remove();
					}
				}

				if ( -1 !== _.indexOf( themes['auto-update-disabled'], response.slug ) ) {
					themes['auto-update-disabled'] = _.without( themes['auto-update-disabled'], response.slug );
					if ( themes['auto-update-disabled'].length ) {
						$views.find( '.auto-update-disabled .count' ).text( '(' + themes['auto-update-disabled'].length + ')' );
					} else {
						$views.find( '.auto-update-disabled' ).remove();
					}
				}

				themes.all = _.without( themes.all, response.slug );

				// There is always at least one theme available.
				$views.find( '.all .count' ).text( '(' + themes.all.length + ')' );
			} );
		}

		// DecrementCount from update count.
		if ( 'themes' === pagenow ) {
		    var theme = _.find( _wpThemeSettings.themes, { id: response.slug } );
		    if ( theme.hasUpdate ) {
		        wp.updates.decrementCount( 'theme' );
		    }
		}

		wp.a11y.speak( _x( 'Deleted!', 'theme' ) );

		$document.trigger( 'wp-theme-delete-success', response );
	};

	/**
	 * Updates the UI appropriately after a failed theme deletion.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response              Response from the server.
	 * @param {string} response.slug         Slug of the theme to be deleted.
	 * @param {string} response.errorCode    Error code for the error that occurred.
	 * @param {string} response.errorMessage The error that occurred.
	 */
	wp.updates.deleteThemeError = function( response ) {
		var $themeRow    = $( 'tr.inactive[data-slug="' + response.slug + '"]' ),
			$button      = $( '.theme-actions .delete-theme' ),
			updateRow    = wp.template( 'item-update-row' ),
			$updateRow   = $themeRow.siblings( '#' + response.slug + '-update' ),
			errorMessage = sprintf(
				/* translators: %s: Error string for a failed deletion. */
				__( 'Deletion failed: %s' ),
				response.errorMessage
			),
			$message     = wp.updates.adminNotice( {
				className: 'update-message notice-error notice-alt',
				message:   errorMessage
			} );

		if ( wp.updates.maybeHandleCredentialError( response, 'delete-theme' ) ) {
			return;
		}

		if ( 'themes-network' === pagenow ) {
			if ( ! $updateRow.length ) {
				$themeRow.addClass( 'update' ).after(
					updateRow( {
						slug: response.slug,
						colspan: $( '#bulk-action-form' ).find( 'thead th:not(.hidden), thead td' ).length,
						content: $message
					} )
				);
			} else {
				// Remove previous error messages, if any.
				$updateRow.find( '.notice-error' ).remove();
				$updateRow.find( '.plugin-update' ).append( $message );
			}
		} else {
			$( '.theme-info .theme-description' ).before( $message );
		}

		$button.html( $button.data( 'originaltext' ) );

		wp.a11y.speak( errorMessage, 'assertive' );

		$document.trigger( 'wp-theme-delete-error', response );
	};

	/**
	 * Adds the appropriate callback based on the type of action and the current page.
	 *
	 * @since 4.6.0
	 * @private
	 *
	 * @param {Object} data   Ajax payload.
	 * @param {string} action The type of request to perform.
	 * @return {Object} The Ajax payload with the appropriate callbacks.
	 */
	wp.updates._addCallbacks = function( data, action ) {
		if ( 'import' === pagenow && 'install-plugin' === action ) {
			data.success = wp.updates.installImporterSuccess;
			data.error   = wp.updates.installImporterError;
		}

		return data;
	};

	/**
	 * Pulls available jobs from the queue and runs them.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 Can handle multiple job types.
	 */
	wp.updates.queueChecker = function() {
		var job;

		if ( wp.updates.ajaxLocked || ! wp.updates.queue.length ) {
			return;
		}

		job = wp.updates.queue.shift();

		// Handle a queue job.
		switch ( job.action ) {
			case 'install-plugin':
				wp.updates.installPlugin( job.data );
				break;

			case 'update-plugin':
				wp.updates.updatePlugin( job.data );
				break;

			case 'delete-plugin':
				wp.updates.deletePlugin( job.data );
				break;

			case 'install-theme':
				wp.updates.installTheme( job.data );
				break;

			case 'update-theme':
				wp.updates.updateTheme( job.data );
				break;

			case 'delete-theme':
				wp.updates.deleteTheme( job.data );
				break;

			default:
				break;
		}
	};

	/**
	 * Requests the users filesystem credentials if they aren't already known.
	 *
	 * @since 4.2.0
	 *
	 * @param {Event=} event Optional. Event interface.
	 */
	wp.updates.requestFilesystemCredentials = function( event ) {
		if ( false === wp.updates.filesystemCredentials.available ) {
			/*
			 * After exiting the credentials request modal,
			 * return the focus to the element triggering the request.
			 */
			if ( event && ! wp.updates.$elToReturnFocusToFromCredentialsModal ) {
				wp.updates.$elToReturnFocusToFromCredentialsModal = $( event.target );
			}

			wp.updates.ajaxLocked = true;
			wp.updates.requestForCredentialsModalOpen();
		}
	};

	/**
	 * Requests the users filesystem credentials if needed and there is no lock.
	 *
	 * @since 4.6.0
	 *
	 * @param {Event=} event Optional. Event interface.
	 */
	wp.updates.maybeRequestFilesystemCredentials = function( event ) {
		if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.ajaxLocked ) {
			wp.updates.requestFilesystemCredentials( event );
		}
	};

	/**
	 * Keydown handler for the request for credentials modal.
	 *
	 * Closes the modal when the escape key is pressed and
	 * constrains keyboard navigation to inside the modal.
	 *
	 * @since 4.2.0
	 *
	 * @param {Event} event Event interface.
	 */
	wp.updates.keydown = function( event ) {
		if ( 27 === event.keyCode ) {
			wp.updates.requestForCredentialsModalCancel();
		} else if ( 9 === event.keyCode ) {

			// #upgrade button must always be the last focus-able element in the dialog.
			if ( 'upgrade' === event.target.id && ! event.shiftKey ) {
				$( '#hostname' ).trigger( 'focus' );

				event.preventDefault();
			} else if ( 'hostname' === event.target.id && event.shiftKey ) {
				$( '#upgrade' ).trigger( 'focus' );

				event.preventDefault();
			}
		}
	};

	/**
	 * Opens the request for credentials modal.
	 *
	 * @since 4.2.0
	 */
	wp.updates.requestForCredentialsModalOpen = function() {
		var $modal = $( '#request-filesystem-credentials-dialog' );

		$( 'body' ).addClass( 'modal-open' );
		$modal.show();
		$modal.find( 'input:enabled:first' ).trigger( 'focus' );
		$modal.on( 'keydown', wp.updates.keydown );
	};

	/**
	 * Closes the request for credentials modal.
	 *
	 * @since 4.2.0
	 */
	wp.updates.requestForCredentialsModalClose = function() {
		$( '#request-filesystem-credentials-dialog' ).hide();
		$( 'body' ).removeClass( 'modal-open' );

		if ( wp.updates.$elToReturnFocusToFromCredentialsModal ) {
			wp.updates.$elToReturnFocusToFromCredentialsModal.trigger( 'focus' );
		}
	};

	/**
	 * Takes care of the steps that need to happen when the modal is canceled out.
	 *
	 * @since 4.2.0
	 * @since 4.6.0 Triggers an event for callbacks to listen to and add their actions.
	 */
	wp.updates.requestForCredentialsModalCancel = function() {

		// Not ajaxLocked and no queue means we already have cleared things up.
		if ( ! wp.updates.ajaxLocked && ! wp.updates.queue.length ) {
			return;
		}

		_.each( wp.updates.queue, function( job ) {
			$document.trigger( 'credential-modal-cancel', job );
		} );

		// Remove the lock, and clear the queue.
		wp.updates.ajaxLocked = false;
		wp.updates.queue = [];

		wp.updates.requestForCredentialsModalClose();
	};

	/**
	 * Displays an error message in the request for credentials form.
	 *
	 * @since 4.2.0
	 *
	 * @param {string} message Error message.
	 */
	wp.updates.showErrorInCredentialsForm = function( message ) {
		var $filesystemForm = $( '#request-filesystem-credentials-form' );

		// Remove any existing error.
		$filesystemForm.find( '.notice' ).remove();
		$filesystemForm.find( '#request-filesystem-credentials-title' ).after( '<div class="notice notice-alt notice-error" role="alert"><p>' + message + '</p></div>' );
	};

	/**
	 * Handles credential errors and runs events that need to happen in that case.
	 *
	 * @since 4.2.0
	 *
	 * @param {Object} response Ajax response.
	 * @param {string} action   The type of request to perform.
	 */
	wp.updates.credentialError = function( response, action ) {

		// Restore callbacks.
		response = wp.updates._addCallbacks( response, action );

		wp.updates.queue.unshift( {
			action: action,

			/*
			 * Not cool that we're depending on response for this data.
			 * This would feel more whole in a view all tied together.
			 */
			data: response
		} );

		wp.updates.filesystemCredentials.available = false;
		wp.updates.showErrorInCredentialsForm( response.errorMessage );
		wp.updates.requestFilesystemCredentials();
	};

	/**
	 * Handles credentials errors if it could not connect to the filesystem.
	 *
	 * @since 4.6.0
	 *
	 * @param {Object} response              Response from the server.
	 * @param {string} response.errorCode    Error code for the error that occurred.
	 * @param {string} response.errorMessage The error that occurred.
	 * @param {string} action                The type of request to perform.
	 * @return {boolean} Whether there is an error that needs to be handled or not.
	 */
	wp.updates.maybeHandleCredentialError = function( response, action ) {
		if ( wp.updates.shouldRequestFilesystemCredentials && response.errorCode && 'unable_to_connect_to_filesystem' === response.errorCode ) {
			wp.updates.credentialError( response, action );
			return true;
		}

		return false;
	};

	/**
	 * Validates an Ajax response to ensure it's a proper object.
	 *
	 * If the response deems to be invalid, an admin notice is being displayed.
	 *
	 * @param {(Object|string)} response              Response from the server.
	 * @param {function=}       response.always       Optional. Callback for when the Deferred is resolved or rejected.
	 * @param {string=}         response.statusText   Optional. Status message corresponding to the status code.
	 * @param {string=}         response.responseText Optional. Request response as text.
	 * @param {string}          action                Type of action the response is referring to. Can be 'delete',
	 *                                                'update' or 'install'.
	 */
	wp.updates.isValidResponse = function( response, action ) {
		var error = __( 'An error occurred during the update process. Please try again.' ),
			errorMessage;

		// Make sure the response is a valid data object and not a Promise object.
		if ( _.isObject( response ) && ! _.isFunction( response.always ) ) {
			return true;
		}

		if ( _.isString( response ) && '-1' === response ) {
			error = __( 'An error has occurred. Please reload the page and try again.' );
		} else if ( _.isString( response ) ) {
			error = response;
		} else if ( 'undefined' !== typeof response.readyState && 0 === response.readyState ) {
			error = __( 'Connection lost or the server is busy. Please try again later.' );
		} else if ( _.isString( response.responseText ) && '' !== response.responseText ) {
			error = response.responseText;
		} else if ( _.isString( response.statusText ) ) {
			error = response.statusText;
		}

		switch ( action ) {
			case 'update':
				/* translators: %s: Error string for a failed update. */
				errorMessage = __( 'Update failed: %s' );
				break;

			case 'install':
				/* translators: %s: Error string for a failed installation. */
				errorMessage = __( 'Installation failed: %s' );
				break;

			case 'check-dependencies':
				/* translators: %s: Error string for a failed dependencies check. */
				errorMessage = __( 'Dependencies check failed: %s' );
				break;

			case 'activate':
				/* translators: %s: Error string for a failed activation. */
				errorMessage = __( 'Activation failed: %s' );
				break;

			case 'delete':
				/* translators: %s: Error string for a failed deletion. */
				errorMessage = __( 'Deletion failed: %s' );
				break;
		}

		// Messages are escaped, remove HTML tags to make them more readable.
		error = error.replace( /<[\/a-z][^<>]*>/gi, '' );
		errorMessage = errorMessage.replace( '%s', error );

		// Add admin notice.
		wp.updates.addAdminNotice( {
			id:        'unknown_error',
			className: 'notice-error is-dismissible',
			message:   _.escape( errorMessage )
		} );

		// Remove the lock, and clear the queue.
		wp.updates.ajaxLocked = false;
		wp.updates.queue      = [];

		// Change buttons of all running updates.
		$( '.button.updating-message' )
			.removeClass( 'updating-message' )
			.removeAttr( 'aria-label' )
			.prop( 'disabled', true )
			.text( __( 'Update failed.' ) );

		$( '.updating-message:not(.button):not(.thickbox)' )
			.removeClass( 'updating-message notice-warning' )
			.addClass( 'notice-error' )
			.find( 'p' )
				.removeAttr( 'aria-label' )
				.text( errorMessage );

		wp.a11y.speak( errorMessage, 'assertive' );

		return false;
	};

	/**
	 * Potentially adds an AYS to a user attempting to leave the page.
	 *
	 * If an update is on-going and a user attempts to leave the page,
	 * opens an "Are you sure?" alert.
	 *
	 * @since 4.2.0
	 */
	wp.updates.beforeunload = function() {
		if ( wp.updates.ajaxLocked ) {
			return __( 'Updates may not complete if you navigate away from this page.' );
		}
	};

	$( function() {
		var $pluginFilter        = $( '#plugin-filter, #plugin-information-footer' ),
			$bulkActionForm      = $( '#bulk-action-form' ),
			$filesystemForm      = $( '#request-filesystem-credentials-form' ),
			$filesystemModal     = $( '#request-filesystem-credentials-dialog' ),
			$pluginSearch        = $( '.plugins-php .wp-filter-search' ),
			$pluginInstallSearch = $( '.plugin-install-php .wp-filter-search' );

		settings = _.extend( settings, window._wpUpdatesItemCounts || {} );

		if ( settings.totals ) {
			wp.updates.refreshCount();
		}

		/*
		 * Whether a user needs to submit filesystem credentials.
		 *
		 * This is based on whether the form was output on the page server-side.
		 *
		 * @see {wp_print_request_filesystem_credentials_modal() in PHP}
		 */
		wp.updates.shouldRequestFilesystemCredentials = $filesystemModal.length > 0;

		/**
		 * File system credentials form submit noop-er / handler.
		 *
		 * @since 4.2.0
		 */
		$filesystemModal.on( 'submit', 'form', function( event ) {
			event.preventDefault();

			// Persist the credentials input by the user for the duration of the page load.
			wp.updates.filesystemCredentials.ftp.hostname       = $( '#hostname' ).val();
			wp.updates.filesystemCredentials.ftp.username       = $( '#username' ).val();
			wp.updates.filesystemCredentials.ftp.password       = $( '#password' ).val();
			wp.updates.filesystemCredentials.ftp.connectionType = $( 'input[name="connection_type"]:checked' ).val();
			wp.updates.filesystemCredentials.ssh.publicKey      = $( '#public_key' ).val();
			wp.updates.filesystemCredentials.ssh.privateKey     = $( '#private_key' ).val();
			wp.updates.filesystemCredentials.fsNonce            = $( '#_fs_nonce' ).val();
			wp.updates.filesystemCredentials.available          = true;

			// Unlock and invoke the queue.
			wp.updates.ajaxLocked = false;
			wp.updates.queueChecker();

			wp.updates.requestForCredentialsModalClose();
		} );

		/**
		 * Closes the request credentials modal when clicking the 'Cancel' button or outside of the modal.
		 *
		 * @since 4.2.0
		 */
		$filesystemModal.on( 'click', '[data-js-action="close"], .notification-dialog-background', wp.updates.requestForCredentialsModalCancel );

		/**
		 * Hide SSH fields when not selected.
		 *
		 * @since 4.2.0
		 */
		$filesystemForm.on( 'change', 'input[name="connection_type"]', function() {
			$( '#ssh-keys' ).toggleClass( 'hidden', ( 'ssh' !== $( this ).val() ) );
		} ).trigger( 'change' );

		/**
		 * Handles events after the credential modal was closed.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event}  event Event interface.
		 * @param {string} job   The install/update.delete request.
		 */
		$document.on( 'credential-modal-cancel', function( event, job ) {
			var $updatingMessage = $( '.updating-message' ),
				$message, originalText;

			if ( 'import' === pagenow ) {
				$updatingMessage.removeClass( 'updating-message' );
			} else if ( 'plugins' === pagenow || 'plugins-network' === pagenow ) {
				if ( 'update-plugin' === job.action ) {
					$message = $( 'tr[data-plugin="' + job.data.plugin + '"]' ).find( '.update-message' );
				} else if ( 'delete-plugin' === job.action ) {
					$message = $( '[data-plugin="' + job.data.plugin + '"]' ).find( '.row-actions a.delete' );
				}
			} else if ( 'themes' === pagenow || 'themes-network' === pagenow ) {
				if ( 'update-theme' === job.action ) {
					$message = $( '[data-slug="' + job.data.slug + '"]' ).find( '.update-message' );
				} else if ( 'delete-theme' === job.action && 'themes-network' === pagenow ) {
					$message = $( '[data-slug="' + job.data.slug + '"]' ).find( '.row-actions a.delete' );
				} else if ( 'delete-theme' === job.action && 'themes' === pagenow ) {
					$message = $( '.theme-actions .delete-theme' );
				}
			} else {
				$message = $updatingMessage;
			}

			if ( $message && $message.hasClass( 'updating-message' ) ) {
				originalText = $message.data( 'originaltext' );

				if ( 'undefined' === typeof originalText ) {
					originalText = $( '<p>' ).html( $message.find( 'p' ).data( 'originaltext' ) );
				}

				$message
					.removeClass( 'updating-message' )
					.html( originalText );

				if ( 'plugin-install' === pagenow || 'plugin-install-network' === pagenow ) {
					if ( 'update-plugin' === job.action ) {
						$message.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Plugin name and version. */
								_x( 'Update %s now', 'plugin' ),
								$message.data( 'name' )
							)
						);
					} else if ( 'install-plugin' === job.action ) {
						$message.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Plugin name. */
								_x( 'Install %s now', 'plugin' ),
								$message.data( 'name' )
							)
						);
					}
				}
			}

			wp.a11y.speak( __( 'Update canceled.' ) );
		} );

		/**
		 * Click handler for plugin updates in List Table view.
		 *
		 * @since 4.2.0
		 *
		 * @param {Event} event Event interface.
		 */
		$bulkActionForm.on( 'click', '[data-plugin] .update-link', function( event ) {
			var $message   = $( event.target ),
				$pluginRow = $message.parents( 'tr' );

			event.preventDefault();

			if ( $message.hasClass( 'updating-message' ) || $message.hasClass( 'button-disabled' ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			// Return the user to the input box of the plugin's table row after closing the modal.
			wp.updates.$elToReturnFocusToFromCredentialsModal = $pluginRow.find( '.check-column input' );
			wp.updates.updatePlugin( {
				plugin: $pluginRow.data( 'plugin' ),
				slug:   $pluginRow.data( 'slug' )
			} );
		} );

		/**
		 * Click handler for plugin updates in plugin install view.
		 *
		 * @since 4.2.0
		 *
		 * @param {Event} event Event interface.
		 */
		$pluginFilter.on( 'click', '.update-now', function( event ) {
			var $button = $( event.target );
			event.preventDefault();

			if ( $button.hasClass( 'updating-message' ) || $button.hasClass( 'button-disabled' ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			wp.updates.updatePlugin( {
				plugin: $button.data( 'plugin' ),
				slug:   $button.data( 'slug' )
			} );
		} );

		/**
		 * Click handler for plugin installs in plugin install view.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$pluginFilter.on( 'click', '.install-now', function( event ) {
			var $button = $( event.target );
			event.preventDefault();

			if ( $button.hasClass( 'updating-message' ) || $button.hasClass( 'button-disabled' ) ) {
				return;
			}

			if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.ajaxLocked ) {
				wp.updates.requestFilesystemCredentials( event );

				$document.on( 'credential-modal-cancel', function() {
					var $message = $( '.install-now.updating-message' );

					$message
						.removeClass( 'updating-message' )
						.text( _x( 'Install Now', 'plugin' ) );

					wp.a11y.speak( __( 'Update canceled.' ) );
				} );
			}

			wp.updates.installPlugin( {
				slug: $button.data( 'slug' )
			} );
		} );

		/**
		 * Click handler for plugin activations in plugin activation modal view.
		 *
		 * @since 6.5.0
		 * @since 6.5.4 Redirect the parent window to the activation URL.
		 *
		 * @param {Event} event Event interface.
		 */
		$document.on( 'click', '#plugin-information-footer .activate-now', function( event ) {
			event.preventDefault();
			window.parent.location.href = $( event.target ).attr( 'href' );
		});

		/**
		 * Click handler for importer plugins installs in the Import screen.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$document.on( 'click', '.importer-item .install-now', function( event ) {
			var $button = $( event.target ),
				pluginName = $( this ).data( 'name' );

			event.preventDefault();

			if ( $button.hasClass( 'updating-message' ) ) {
				return;
			}

			if ( wp.updates.shouldRequestFilesystemCredentials && ! wp.updates.ajaxLocked ) {
				wp.updates.requestFilesystemCredentials( event );

				$document.on( 'credential-modal-cancel', function() {

					$button
						.removeClass( 'updating-message' )
						.attr(
							'aria-label',
							sprintf(
								/* translators: %s: Plugin name. */
								_x( 'Install %s now', 'plugin' ),
								pluginName
							)
						)
						.text( _x( 'Install Now', 'plugin' ) );

					wp.a11y.speak( __( 'Update canceled.' ) );
				} );
			}

			wp.updates.installPlugin( {
				slug:    $button.data( 'slug' ),
				pagenow: pagenow,
				success: wp.updates.installImporterSuccess,
				error:   wp.updates.installImporterError
			} );
		} );

		/**
		 * Click handler for plugin deletions.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$bulkActionForm.on( 'click', '[data-plugin] a.delete', function( event ) {
			var $pluginRow = $( event.target ).parents( 'tr' ),
				confirmMessage;

			if ( $pluginRow.hasClass( 'is-uninstallable' ) ) {
				confirmMessage = sprintf(
					/* translators: %s: Plugin name. */
					__( 'Are you sure you want to delete %s and its data?' ),
					$pluginRow.find( '.plugin-title strong' ).text()
				);
			} else {
				confirmMessage = sprintf(
					/* translators: %s: Plugin name. */
					__( 'Are you sure you want to delete %s?' ),
					$pluginRow.find( '.plugin-title strong' ).text()
				);
			}

			event.preventDefault();

			if ( ! window.confirm( confirmMessage ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			wp.updates.deletePlugin( {
				plugin: $pluginRow.data( 'plugin' ),
				slug:   $pluginRow.data( 'slug' )
			} );

		} );

		/**
		 * Click handler for theme updates.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$document.on( 'click', '.themes-php.network-admin .update-link', function( event ) {
			var $message  = $( event.target ),
				$themeRow = $message.parents( 'tr' );

			event.preventDefault();

			if ( $message.hasClass( 'updating-message' ) || $message.hasClass( 'button-disabled' ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			// Return the user to the input box of the theme's table row after closing the modal.
			wp.updates.$elToReturnFocusToFromCredentialsModal = $themeRow.find( '.check-column input' );
			wp.updates.updateTheme( {
				slug: $themeRow.data( 'slug' )
			} );
		} );

		/**
		 * Click handler for theme deletions.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$document.on( 'click', '.themes-php.network-admin a.delete', function( event ) {
			var $themeRow = $( event.target ).parents( 'tr' ),
				confirmMessage = sprintf(
					/* translators: %s: Theme name. */
					__( 'Are you sure you want to delete %s?' ),
					$themeRow.find( '.theme-title strong' ).text()
				);

			event.preventDefault();

			if ( ! window.confirm( confirmMessage ) ) {
				return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			wp.updates.deleteTheme( {
				slug: $themeRow.data( 'slug' )
			} );
		} );

		/**
		 * Bulk action handler for plugins and themes.
		 *
		 * Handles both deletions and updates.
		 *
		 * @since 4.6.0
		 *
		 * @param {Event} event Event interface.
		 */
		$bulkActionForm.on( 'click', '[type="submit"]:not([name="clear-recent-list"])', function( event ) {
			var bulkAction    = $( event.target ).siblings( 'select' ).val(),
				itemsSelected = $bulkActionForm.find( 'input[name="checked[]"]:checked' ),
				success       = 0,
				error         = 0,
				errorMessages = [],
				type, action;

			// Determine which type of item we're dealing with.
			switch ( pagenow ) {
				case 'plugins':
				case 'plugins-network':
					type = 'plugin';
					break;

				case 'themes-network':
					type = 'theme';
					break;

				default:
					return;
			}

			// Bail if there were no items selected.
			if ( ! itemsSelected.length ) {
				bulkAction = false;
			}

			// Determine the type of request we're dealing with.
			switch ( bulkAction ) {
				case 'update-selected':
					action = bulkAction.replace( 'selected', type );
					break;

				case 'delete-selected':
					var confirmMessage = 'plugin' === type ?
						__( 'Are you sure you want to delete the selected plugins and their data?' ) :
						__( 'Caution: These themes may be active on other sites in the network. Are you sure you want to proceed?' );

					if ( ! window.confirm( confirmMessage ) ) {
						event.preventDefault();
						return;
					}

					action = bulkAction.replace( 'selected', type );
					break;

				default:
					return;
			}

			wp.updates.maybeRequestFilesystemCredentials( event );

			event.preventDefault();

			// Un-check the bulk checkboxes.
			$bulkActionForm.find( '.manage-column [type="checkbox"]' ).prop( 'checked', false );

			$document.trigger( 'wp-' + type + '-bulk-' + bulkAction, itemsSelected );

			// Find all the checkboxes which have been checked.
			itemsSelected.each( function( index, element ) {
				var $checkbox = $( element ),
					$itemRow = $checkbox.parents( 'tr' );

				// Only add update-able items to the update queue.
				if ( 'update-selected' === bulkAction && ( ! $itemRow.hasClass( 'update' ) || $itemRow.find( 'notice-error' ).length ) ) {

					// Un-check the box.
					$checkbox.prop( 'checked', false );
					return;
				}

				// Don't add items to the update queue again, even if the user clicks the update button several times.
				if ( 'update-selected' === bulkAction && $itemRow.hasClass( 'is-enqueued' ) ) {
					return;
				}

				$itemRow.addClass( 'is-enqueued' );

				// Add it to the queue.
				wp.updates.queue.push( {
					action: action,
					data:   {
						plugin: $itemRow.data( 'plugin' ),
						slug:   $itemRow.data( 'slug' )
					}
				} );
			} );

			// Display bulk notification for updates of any kind.
			$document.on( 'wp-plugin-update-success wp-plugin-update-error wp-theme-update-success wp-theme-update-error', function( event, response ) {
				var $itemRow = $( '[data-slug="' + response.slug + '"]' ),
					$bulkActionNotice, itemName;

				if ( 'wp-' + response.update + '-update-success' === event.type ) {
					success++;
				} else {
					itemName = response.pluginName ? response.pluginName : $itemRow.find( '.column-primary strong' ).text();

					error++;
					errorMessages.push( itemName + ': ' + response.errorMessage );
				}

				$itemRow.find( 'input[name="checked[]"]:checked' ).prop( 'checked', false );

				wp.updates.adminNotice = wp.template( 'wp-bulk-updates-admin-notice' );

				var successMessage = null;

				if ( success ) {
					if ( 'plugin' === response.update ) {
						successMessage = sprintf(
							/* translators: %s: Number of plugins. */
							_n( '%s plugin successfully updated.', '%s plugins successfully updated.', success ),
							success
						);
					} else {
						successMessage = sprintf(
							/* translators: %s: Number of themes. */
							_n( '%s theme successfully updated.', '%s themes successfully updated.', success ),
							success
						);
					}
				}

				var errorMessage = null;

				if ( error ) {
					errorMessage = sprintf(
						/* translators: %s: Number of failed updates. */
						_n( '%s update failed.', '%s updates failed.', error ),
						error
					);
				}

				wp.updates.addAdminNotice( {
					id:            'bulk-action-notice',
					className:     'bulk-action-notice',
					successMessage: successMessage,
					errorMessage:   errorMessage,
					errorMessages:  errorMessages,
					type:           response.update
				} );

				$bulkActionNotice = $( '#bulk-action-notice' ).on( 'click', 'button', function() {
					// $( this ) is the clicked button, no need to get it again.
					$( this )
						.toggleClass( 'bulk-action-errors-collapsed' )
						.attr( 'aria-expanded', ! $( this ).hasClass( 'bulk-action-errors-collapsed' ) );
					// Show the errors list.
					$bulkActionNotice.find( '.bulk-action-errors' ).toggleClass( 'hidden' );
				} );

				if ( error > 0 && ! wp.updates.queue.length ) {
					$( 'html, body' ).animate( { scrollTop: 0 } );
				}
			} );

			// Reset admin notice template after #bulk-action-notice was added.
			$document.on( 'wp-updates-notice-added', function() {
				wp.updates.adminNotice = wp.template( 'wp-updates-admin-notice' );
			} );

			// Check the queue, now that the event handlers have been added.
			wp.updates.queueChecker();
		} );

		if ( $pluginInstallSearch.length ) {
			$pluginInstallSearch.attr( 'aria-describedby', 'live-search-desc' );
		}

		// Track the previous search string length.
		var previousSearchStringLength = 0;
		wp.updates.shouldSearch = function( searchStringLength ) {
			var shouldSearch = searchStringLength >= wp.updates.searchMinCharacters ||
				previousSearchStringLength > wp.updates.searchMinCharacters;
			previousSearchStringLength = searchStringLength;
			return shouldSearch;
		};

		/**
		 * Handles changes to the plugin search box on the new-plugin page,
		 * searching the repository dynamically.
		 *
		 * @since 4.6.0
		 */
		$pluginInstallSearch.on( 'keyup input', _.debounce( function( event, eventtype ) {
			var $searchTab = $( '.plugin-install-search' ), data, searchLocation,
				searchStringLength = $pluginInstallSearch.val().length;

			data = {
				_ajax_nonce: wp.updates.ajaxNonce,
				s:           encodeURIComponent( event.target.value ),
				tab:         'search',
				type:        $( '#typeselector' ).val(),
				pagenow:     pagenow
			};
			searchLocation = location.href.split( '?' )[ 0 ] + '?' + $.param( _.omit( data, [ '_ajax_nonce', 'pagenow' ] ) );

			// Set the autocomplete attribute, turning off autocomplete 1 character before ajax search kicks in.
			if ( wp.updates.shouldSearch( searchStringLength ) ) {
				$pluginInstallSearch.attr( 'autocomplete', 'off' );
			} else {
				$pluginInstallSearch.attr( 'autocomplete', 'on' );
				return;
			}

			// Clear on escape.
			if ( 'keyup' === event.type && 27 === event.which ) {
				event.target.value = '';
			}

			if ( wp.updates.searchTerm === data.s && 'typechange' !== eventtype ) {
				return;
			} else {
				$pluginFilter.empty();
				wp.updates.searchTerm = data.s;
			}

			if ( window.history && window.history.replaceState ) {
				window.history.replaceState( null, '', searchLocation );
			}

			if ( ! $searchTab.length ) {
				$searchTab = $( '<li class="plugin-install-search" />' )
					.append( $( '<a />', {
						'class': 'current',
						'href': searchLocation,
						'text': __( 'Search Results' )
					} ) );

				$( '.wp-filter .filter-links .current' )
					.removeClass( 'current' )
					.parents( '.filter-links' )
					.prepend( $searchTab );

				$pluginFilter.prev( 'p' ).remove();
				$( '.plugins-popular-tags-wrapper' ).remove();
			}

			if ( 'undefined' !== typeof wp.updates.searchRequest ) {
				wp.updates.searchRequest.abort();
			}
			$( 'body' ).addClass( 'loading-content' );

			wp.updates.searchRequest = wp.ajax.post( 'search-install-plugins', data ).done( function( response ) {
				$( 'body' ).removeClass( 'loading-content' );
				$pluginFilter.append( response.items );
				delete wp.updates.searchRequest;

				if ( 0 === response.count ) {
					wp.a11y.speak( __( 'You do not appear to have any plugins available at this time.' ) );
				} else {
					wp.a11y.speak(
						sprintf(
							/* translators: %s: Number of plugins. */
							__( 'Number of plugins found: %d' ),
							response.count
						)
					);
				}
			} );
		}, 1000 ) );

		if ( $pluginSearch.length ) {
			$pluginSearch.attr( 'aria-describedby', 'live-search-desc' );

		}

		/**
		 * Handles changes to the plugin search box on the Installed Plugins screen,
		 * searching the plugin list dynamically.
		 *
		 * @since 4.6.0
		 */
		$pluginSearch.on( 'keyup input', _.debounce( function( event ) {
			var data = {
				_ajax_nonce:   wp.updates.ajaxNonce,
				s:             encodeURIComponent( event.target.value ),
				pagenow:       pagenow,
				plugin_status: 'all'
			},
			queryArgs,
			searchStringLength = $pluginSearch.val().length;

			// Set the autocomplete attribute, turning off autocomplete 1 character before ajax search kicks in.
			if ( wp.updates.shouldSearch( searchStringLength ) ) {
				$pluginSearch.attr( 'autocomplete', 'off' );
			} else {
				$pluginSearch.attr( 'autocomplete', 'on' );
				return;
			}

			// Clear on escape.
			if ( 'keyup' === event.type && 27 === event.which ) {
				event.target.value = '';
			}

			if ( wp.updates.searchTerm === data.s ) {
				return;
			} else {
				wp.updates.searchTerm = data.s;
			}

			queryArgs = _.object( _.compact( _.map( location.search.slice( 1 ).split( '&' ), function( item ) {
				if ( item ) return item.split( '=' );
			} ) ) );

			data.plugin_status = queryArgs.plugin_status || 'all';

			if ( window.history && window.history.replaceState ) {
				window.history.replaceState( null, '', location.href.split( '?' )[ 0 ] + '?s=' + data.s + '&plugin_status=' + data.plugin_status );
			}

			if ( 'undefined' !== typeof wp.updates.searchRequest ) {
				wp.updates.searchRequest.abort();
			}

			$bulkActionForm.empty();
			$( 'body' ).addClass( 'loading-content' );
			$( '.subsubsub .current' ).removeClass( 'current' );

			wp.updates.searchRequest = wp.ajax.post( 'search-plugins', data ).done( function( response ) {

				// Can we just ditch this whole subtitle business?
				var $subTitle    = $( '<span />' ).addClass( 'subtitle' ).html(
					sprintf(
						/* translators: %s: Search query. */
						__( 'Search results for: %s' ),
						'<strong>' + _.escape( decodeURIComponent( data.s ) ) + '</strong>'
					) ),
					$oldSubTitle = $( '.wrap .subtitle' );

				if ( ! data.s.length ) {
					$oldSubTitle.remove();
					$( '.subsubsub .' + data.plugin_status + ' a' ).addClass( 'current' );
				} else if ( $oldSubTitle.length ) {
					$oldSubTitle.replaceWith( $subTitle );
				} else {
					$( '.wp-header-end' ).before( $subTitle );
				}

				$( 'body' ).removeClass( 'loading-content' );
				$bulkActionForm.append( response.items );
				delete wp.updates.searchRequest;

				if ( 0 === response.count ) {
					wp.a11y.speak( __( 'No plugins found. Try a different search.'  ) );
				} else {
					wp.a11y.speak(
						sprintf(
							/* translators: %s: Number of plugins. */
							__( 'Number of plugins found: %d' ),
							response.count
						)
					);
				}
			} );
		}, 500 ) );

		/**
		 * Trigger a search event when the search form gets submitted.
		 *
		 * @since 4.6.0
		 */
		$document.on( 'submit', '.search-plugins', function( event ) {
			event.preventDefault();

			$( 'input.wp-filter-search' ).trigger( 'input' );
		} );

		/**
		 * Trigger a search event when the "Try Again" button is clicked.
		 *
		 * @since 4.9.0
		 */
		$document.on( 'click', '.try-again', function( event ) {
			event.preventDefault();
			$pluginInstallSearch.trigger( 'input' );
		} );

		/**
		 * Trigger a search event when the search type gets changed.
		 *
		 * @since 4.6.0
		 */
		$( '#typeselector' ).on( 'change', function() {
			var $search = $( 'input[name="s"]' );

			if ( $search.val().length ) {
				$search.trigger( 'input', 'typechange' );
			}
		} );

		/**
		 * Click handler for updating a plugin from the details modal on `plugin-install.php`.
		 *
		 * @since 4.2.0
		 *
		 * @param {Event} event Event interface.
		 */
		$( '#plugin_update_from_iframe' ).on( 'click', function( event ) {
			var target = window.parent === window ? null : window.parent,
				update;

			$.support.postMessage = !! window.postMessage;

			if ( false === $.support.postMessage || null === target || -1 !== window.parent.location.pathname.indexOf( 'update-core.php' ) ) {
				return;
			}

			event.preventDefault();

			update = {
				action: 'update-plugin',
				data:   {
					plugin: $( this ).data( 'plugin' ),
					slug:   $( this ).data( 'slug' )
				}
			};

			target.postMessage( JSON.stringify( update ), window.location.origin );
		} );

		/**
		 * Handles postMessage events.
		 *
		 * @since 4.2.0
		 * @since 4.6.0 Switched `update-plugin` action to use the queue.
		 *
		 * @param {Event} event Event interface.
		 */
		$( window ).on( 'message', function( event ) {
			var originalEvent  = event.originalEvent,
				expectedOrigin = document.location.protocol + '//' + document.location.host,
				message;

			if ( originalEvent.origin !== expectedOrigin ) {
				return;
			}

			try {
				message = JSON.parse( originalEvent.data );
			} catch ( e ) {
				return;
			}

			if ( ! message ) {
				return;
			}

			if (
				'undefined' !== typeof message.status &&
				'undefined' !== typeof message.slug &&
				'undefined' !== typeof message.text &&
				'undefined' !== typeof message.ariaLabel
			) {
				var $card = $( '.plugin-card-' + message.slug ),
					$message = $card.find( '[data-slug="' + message.slug + '"]' );

				if ( 'undefined' !== typeof message.removeClasses ) {
					$message.removeClass( message.removeClasses );
				}

				if ( 'undefined' !== typeof message.addClasses ) {
					$message.addClass( message.addClasses );
				}

				if ( '' === message.ariaLabel ) {
					$message.removeAttr( 'aria-label' );
				} else {
					$message.attr( 'aria-label', message.ariaLabel );
				}

				if ( 'dependencies-check-success' === message.status ) {
					$message
						.attr( 'data-name', message.pluginName )
						.attr( 'data-slug', message.slug )
						.attr( 'data-plugin', message.plugin )
						.attr( 'href', message.href );
				}

				$message.text( message.text );
			}

			if ( 'undefined' === typeof message.action ) {
				return;
			}

			switch ( message.action ) {

				// Called from `wp-admin/includes/class-wp-upgrader-skins.php`.
				case 'decrementUpdateCount':
					/** @property {string} message.upgradeType */
					wp.updates.decrementCount( message.upgradeType );
					break;

				case 'install-plugin':
				case 'update-plugin':
					if ( 'undefined' === typeof message.data || 'undefined' === typeof message.data.slug ) {
						return;
					}

					message.data = wp.updates._addCallbacks( message.data, message.action );

					wp.updates.queue.push( message );
					wp.updates.queueChecker();
					break;
			}
		} );

		/**
		 * Adds a callback to display a warning before leaving the page.
		 *
		 * @since 4.2.0
		 */
		$( window ).on( 'beforeunload', wp.updates.beforeunload );

		/**
		 * Prevents the page form scrolling when activating auto-updates with the Spacebar key.
		 *
		 * @since 5.5.0
		 */
		$document.on( 'keydown', '.column-auto-updates .toggle-auto-update, .theme-overlay .toggle-auto-update', function( event ) {
			if ( 32 === event.which ) {
				event.preventDefault();
			}
		} );

		/**
		 * Click and keyup handler for enabling and disabling plugin and theme auto-updates.
		 *
		 * These controls can be either links or buttons. When JavaScript is enabled,
		 * we want them to behave like buttons. An ARIA role `button` is added via
		 * the JavaScript that targets elements with the CSS class `aria-button-if-js`.
		 *
		 * @since 5.5.0
		 */
		$document.on( 'click keyup', '.column-auto-updates .toggle-auto-update, .theme-overlay .toggle-auto-update', function( event ) {
			var data, asset, type, $parent,
				$toggler = $( this ),
				action = $toggler.attr( 'data-wp-action' ),
				$label = $toggler.find( '.label' );

			if ( 'keyup' === event.type && 32 !== event.which ) {
				return;
			}

			if ( 'themes' !== pagenow ) {
				$parent = $toggler.closest( '.column-auto-updates' );
			} else {
				$parent = $toggler.closest( '.theme-autoupdate' );
			}

			event.preventDefault();

			// Prevent multiple simultaneous requests.
			if ( $toggler.attr( 'data-doing-ajax' ) === 'yes' ) {
				return;
			}

			$toggler.attr( 'data-doing-ajax', 'yes' );

			switch ( pagenow ) {
				case 'plugins':
				case 'plugins-network':
					type = 'plugin';
					asset = $toggler.closest( 'tr' ).attr( 'data-plugin' );
					break;
				case 'themes-network':
					type = 'theme';
					asset = $toggler.closest( 'tr' ).attr( 'data-slug' );
					break;
				case 'themes':
					type = 'theme';
					asset = $toggler.attr( 'data-slug' );
					break;
			}

			// Clear any previous errors.
			$parent.find( '.notice.notice-error' ).addClass( 'hidden' );

			// Show loading status.
			if ( 'enable' === action ) {
				$label.text( __( 'Enabling...' ) );
			} else {
				$label.text( __( 'Disabling...' ) );
			}

			$toggler.find( '.dashicons-update' ).removeClass( 'hidden' );

			data = {
				action: 'toggle-auto-updates',
				_ajax_nonce: settings.ajax_nonce,
				state: action,
				type: type,
				asset: asset
			};

			$.post( window.ajaxurl, data )
				.done( function( response ) {
					var $enabled, $disabled, enabledNumber, disabledNumber, errorMessage,
						href = $toggler.attr( 'href' );

					if ( ! response.success ) {
						// if WP returns 0 for response (which can happen in a few cases),
						// output the general error message since we won't have response.data.error.
						if ( response.data && response.data.error ) {
							errorMessage = response.data.error;
						} else {
							errorMessage = __( 'The request could not be completed.' );
						}

						$parent.find( '.notice.notice-error' ).removeClass( 'hidden' ).find( 'p' ).text( errorMessage );
						wp.a11y.speak( errorMessage, 'assertive' );
						return;
					}

					// Update the counts in the enabled/disabled views if on a screen
					// with a list table.
					if ( 'themes' !== pagenow ) {
						$enabled       = $( '.auto-update-enabled span' );
						$disabled      = $( '.auto-update-disabled span' );
						enabledNumber  = parseInt( $enabled.text().replace( /[^\d]+/g, '' ), 10 ) || 0;
						disabledNumber = parseInt( $disabled.text().replace( /[^\d]+/g, '' ), 10 ) || 0;

						switch ( action ) {
							case 'enable':
								++enabledNumber;
								--disabledNumber;
								break;
							case 'disable':
								--enabledNumber;
								++disabledNumber;
								break;
						}

						enabledNumber = Math.max( 0, enabledNumber );
						disabledNumber = Math.max( 0, disabledNumber );

						$enabled.text( '(' + enabledNumber + ')' );
						$disabled.text( '(' + disabledNumber + ')' );
					}

					if ( 'enable' === action ) {
						// The toggler control can be either a link or a button.
						if ( $toggler[ 0 ].hasAttribute( 'href' ) ) {
							href = href.replace( 'action=enable-auto-update', 'action=disable-auto-update' );
							$toggler.attr( 'href', href );
						}
						$toggler.attr( 'data-wp-action', 'disable' );

						$label.text( __( 'Disable auto-updates' ) );
						$parent.find( '.auto-update-time' ).removeClass( 'hidden' );
						wp.a11y.speak( __( 'Auto-updates enabled' ) );
					} else {
						// The toggler control can be either a link or a button.
						if ( $toggler[ 0 ].hasAttribute( 'href' ) ) {
							href = href.replace( 'action=disable-auto-update', 'action=enable-auto-update' );
							$toggler.attr( 'href', href );
						}
						$toggler.attr( 'data-wp-action', 'enable' );

						$label.text( __( 'Enable auto-updates' ) );
						$parent.find( '.auto-update-time' ).addClass( 'hidden' );
						wp.a11y.speak( __( 'Auto-updates disabled' ) );
					}

					$document.trigger( 'wp-auto-update-setting-changed', { state: action, type: type, asset: asset } );
				} )
				.fail( function() {
					$parent.find( '.notice.notice-error' )
						.removeClass( 'hidden' )
						.find( 'p' )
						.text( __( 'The request could not be completed.' ) );

					wp.a11y.speak( __( 'The request could not be completed.' ), 'assertive' );
				} )
				.always( function() {
					$toggler.removeAttr( 'data-doing-ajax' ).find( '.dashicons-update' ).addClass( 'hidden' );
				} );
			}
		);
	} );
})( jQuery, window.wp, window._wpUpdatesSettings );
PK       ! Z�D;�  ;�    updates.min.jsnu �[���        /*! This file is auto-generated */
!function(c,g,m){var f=c(document),h=g.i18n.__,r=g.i18n._x,p=g.i18n._n,o=g.i18n._nx,v=g.i18n.sprintf;(g=g||{}).updates={},g.updates.l10n={searchResults:"",searchResultsLabel:"",noPlugins:"",noItemsSelected:"",updating:"",pluginUpdated:"",themeUpdated:"",update:"",updateNow:"",pluginUpdateNowLabel:"",updateFailedShort:"",updateFailed:"",pluginUpdatingLabel:"",pluginUpdatedLabel:"",pluginUpdateFailedLabel:"",updatingMsg:"",updatedMsg:"",updateCancel:"",beforeunload:"",installNow:"",pluginInstallNowLabel:"",installing:"",pluginInstalled:"",themeInstalled:"",installFailedShort:"",installFailed:"",pluginInstallingLabel:"",themeInstallingLabel:"",pluginInstalledLabel:"",themeInstalledLabel:"",pluginInstallFailedLabel:"",themeInstallFailedLabel:"",installingMsg:"",installedMsg:"",importerInstalledMsg:"",aysDelete:"",aysDeleteUninstall:"",aysBulkDelete:"",aysBulkDeleteThemes:"",deleting:"",deleteFailed:"",pluginDeleted:"",themeDeleted:"",livePreview:"",activatePlugin:"",activateTheme:"",activatePluginLabel:"",activateThemeLabel:"",activateImporter:"",activateImporterLabel:"",unknownError:"",connectionError:"",nonceError:"",pluginsFound:"",noPluginsFound:"",autoUpdatesEnable:"",autoUpdatesEnabling:"",autoUpdatesEnabled:"",autoUpdatesDisable:"",autoUpdatesDisabling:"",autoUpdatesDisabled:"",autoUpdatesError:""},g.updates.l10n=window.wp.deprecateL10nObject("wp.updates.l10n",g.updates.l10n,"5.5.0"),g.updates.ajaxNonce=m.ajax_nonce,g.updates.searchTerm="",g.updates.searchMinCharacters=2,g.updates.shouldRequestFilesystemCredentials=!1,g.updates.filesystemCredentials={ftp:{host:"",username:"",password:"",connectionType:""},ssh:{publicKey:"",privateKey:""},fsNonce:"",available:!1},g.updates.ajaxLocked=!1,g.updates.adminNotice=g.template("wp-updates-admin-notice"),g.updates.queue=[],g.updates.$elToReturnFocusToFromCredentialsModal=void 0,g.updates.addAdminNotice=function(e){var t,a=c(e.selector),s=c(".wp-header-end");delete e.selector,t=g.updates.adminNotice(e),(a=a.length?a:c("#"+e.id)).length?a.replaceWith(t):s.length?s.after(t):"customize"===pagenow?c(".customize-themes-notifications").append(t):c(".wrap").find("> h1").after(t),f.trigger("wp-updates-notice-added")},g.updates.ajax=function(e,t){var a={};return g.updates.ajaxLocked?(g.updates.queue.push({action:e,data:t}),c.Deferred()):(g.updates.ajaxLocked=!0,t.success&&(a.success=t.success,delete t.success),t.error&&(a.error=t.error,delete t.error),a.data=_.extend(t,{action:e,_ajax_nonce:g.updates.ajaxNonce,_fs_nonce:g.updates.filesystemCredentials.fsNonce,username:g.updates.filesystemCredentials.ftp.username,password:g.updates.filesystemCredentials.ftp.password,hostname:g.updates.filesystemCredentials.ftp.hostname,connection_type:g.updates.filesystemCredentials.ftp.connectionType,public_key:g.updates.filesystemCredentials.ssh.publicKey,private_key:g.updates.filesystemCredentials.ssh.privateKey}),g.ajax.send(a).always(g.updates.ajaxAlways))},g.updates.ajaxAlways=function(e){e.errorCode&&"unable_to_connect_to_filesystem"===e.errorCode||(g.updates.ajaxLocked=!1,g.updates.queueChecker()),void 0!==e.debug&&window.console&&window.console.log&&_.map(e.debug,function(e){window.console.log(g.sanitize.stripTagsAndEncodeText(e))})},g.updates.refreshCount=function(){var e,t=c("#wp-admin-bar-updates"),a=c('a[href="update-core.php"] .update-plugins'),s=c('a[href="plugins.php"] .update-plugins'),n=c('a[href="themes.php"] .update-plugins');t.find(".ab-label").text(m.totals.counts.total),t.find(".updates-available-text").text(v(p("%s update available","%s updates available",m.totals.counts.total),m.totals.counts.total)),0===m.totals.counts.total&&t.find(".ab-label").parents("li").remove(),a.each(function(e,t){t.className=t.className.replace(/count-\d+/,"count-"+m.totals.counts.total)}),0<m.totals.counts.total?a.find(".update-count").text(m.totals.counts.total):a.remove(),s.each(function(e,t){t.className=t.className.replace(/count-\d+/,"count-"+m.totals.counts.plugins)}),0<m.totals.counts.total?s.find(".plugin-count").text(m.totals.counts.plugins):s.remove(),n.each(function(e,t){t.className=t.className.replace(/count-\d+/,"count-"+m.totals.counts.themes)}),0<m.totals.counts.total?n.find(".theme-count").text(m.totals.counts.themes):n.remove(),"plugins"===pagenow||"plugins-network"===pagenow?e=m.totals.counts.plugins:"themes"!==pagenow&&"themes-network"!==pagenow||(e=m.totals.counts.themes),0<e?c(".subsubsub .upgrade .count").text("("+e+")"):(c(".subsubsub .upgrade").remove(),c(".subsubsub li:last").html(function(){return c(this).children()}))},g.updates.setCardButtonStatus=function(e){var t=window.parent===window?null:window.parent;c.support.postMessage=!!window.postMessage,!1!==c.support.postMessage&&null!==t&&-1===window.parent.location.pathname.indexOf("index.php")&&t.postMessage(JSON.stringify(e),window.location.origin)},g.updates.decrementCount=function(e){m.totals.counts.total=Math.max(--m.totals.counts.total,0),"plugin"===e?m.totals.counts.plugins=Math.max(--m.totals.counts.plugins,0):"theme"===e&&(m.totals.counts.themes=Math.max(--m.totals.counts.themes,0)),g.updates.refreshCount(e)},g.updates.updatePlugin=function(e){var t,a,s,n=c("#wp-admin-bar-updates"),i=h("Updating..."),l="plugin-install"===pagenow||"plugin-install-network"===pagenow;return e=_.extend({success:g.updates.updatePluginSuccess,error:g.updates.updatePluginError},e),"plugins"===pagenow||"plugins-network"===pagenow?(a=(s=c('tr[data-plugin="'+e.plugin+'"]')).find(".update-message").removeClass("notice-error").addClass("updating-message notice-warning").find("p"),s=v(r("Updating %s...","plugin"),s.find(".plugin-title strong").text())):l&&(a=(t=c(".plugin-card-"+e.slug+", #plugin-information-footer")).find(".update-now").addClass("updating-message"),s=v(r("Updating %s...","plugin"),a.data("name")),t.removeClass("plugin-card-update-failed").find(".notice.notice-error").remove()),n.addClass("spin"),a.html()!==h("Updating...")&&a.data("originaltext",a.html()),a.attr("aria-label",s).text(i),f.trigger("wp-plugin-updating",e),l&&"plugin-information-footer"===t.attr("id")&&g.updates.setCardButtonStatus({status:"updating-plugin",slug:e.slug,addClasses:"updating-message",text:i,ariaLabel:s}),g.updates.ajax("update-plugin",e)},g.updates.updatePluginSuccess=function(e){var t,a,s,n=c("#wp-admin-bar-updates"),i=r("Updated!","plugin"),l=v(r("%s updated!","plugin"),e.pluginName);"plugins"===pagenow||"plugins-network"===pagenow?(a=(t=c('tr[data-plugin="'+e.plugin+'"]').removeClass("update is-enqueued").addClass("updated")).find(".update-message").removeClass("updating-message notice-warning").addClass("updated-message notice-success").find("p"),s=t.find(".plugin-version-author-uri").html().replace(e.oldVersion,e.newVersion),t.find(".plugin-version-author-uri").html(s),t.find(".auto-update-time").empty()):"plugin-install"!==pagenow&&"plugin-install-network"!==pagenow||(a=c(".plugin-card-"+e.slug+", #plugin-information-footer").find(".update-now").removeClass("updating-message").addClass("button-disabled updated-message")),n.removeClass("spin"),a.attr("aria-label",l).text(i),g.a11y.speak(h("Update completed successfully.")),"plugin_install_from_iframe"!==a.attr("id")?g.updates.decrementCount("plugin"):g.updates.setCardButtonStatus({status:"updated-plugin",slug:e.slug,removeClasses:"updating-message",addClasses:"button-disabled updated-message",text:i,ariaLabel:l}),f.trigger("wp-plugin-update-success",e)},g.updates.updatePluginError=function(e){var t,a,s,n,i,l=c("#wp-admin-bar-updates");g.updates.isValidResponse(e,"update")&&!g.updates.maybeHandleCredentialError(e,"update-plugin")&&(s=v(h("Update failed: %s"),e.errorMessage),"plugins"===pagenow||"plugins-network"===pagenow?(c('tr[data-plugin="'+e.plugin+'"]').removeClass("is-enqueued"),(a=(e.plugin?c('tr[data-plugin="'+e.plugin+'"]'):c('tr[data-slug="'+e.slug+'"]')).find(".update-message")).removeClass("updating-message notice-warning").addClass("notice-error").find("p").html(s),e.pluginName?a.find("p").attr("aria-label",v(r("%s update failed.","plugin"),e.pluginName)):a.find("p").removeAttr("aria-label")):"plugin-install"!==pagenow&&"plugin-install-network"!==pagenow||(n=h("Update failed."),(t=c(".plugin-card-"+e.slug+", #plugin-information-footer").append(g.updates.adminNotice({className:"update-message notice-error notice-alt is-dismissible",message:s}))).hasClass("plugin-card-"+e.slug)&&t.addClass("plugin-card-update-failed"),t.find(".update-now").text(n).removeClass("updating-message"),e.pluginName?(i=v(r("%s update failed.","plugin"),e.pluginName),t.find(".update-now").attr("aria-label",i)):(i="",t.find(".update-now").removeAttr("aria-label")),t.on("click",".notice.is-dismissible .notice-dismiss",function(){setTimeout(function(){t.removeClass("plugin-card-update-failed").find(".column-name a").trigger("focus"),t.find(".update-now").attr("aria-label",!1).text(h("Update Now"))},200)})),l.removeClass("spin"),g.a11y.speak(s,"assertive"),"plugin-information-footer"===t.attr("id")&&g.updates.setCardButtonStatus({status:"plugin-update-failed",slug:e.slug,removeClasses:"updating-message",text:n,ariaLabel:i}),f.trigger("wp-plugin-update-error",e))},g.updates.installPlugin=function(e){var t,a=c(".plugin-card-"+e.slug+", #plugin-information-footer"),s=a.find(".install-now"),n=h("Installing...");return e=_.extend({success:g.updates.installPluginSuccess,error:g.updates.installPluginError},e),(s="import"===pagenow?c('[data-slug="'+e.slug+'"]'):s).html()!==h("Installing...")&&s.data("originaltext",s.html()),t=v(r("Installing %s...","plugin"),s.data("name")),s.addClass("updating-message").attr("aria-label",t).text(n),g.a11y.speak(h("Installing... please wait.")),a.removeClass("plugin-card-install-failed").find(".notice.notice-error").remove(),f.trigger("wp-plugin-installing",e),"plugin-information-footer"===s.parent().attr("id")&&g.updates.setCardButtonStatus({status:"installing-plugin",slug:e.slug,addClasses:"updating-message",text:n,ariaLabel:t}),g.updates.ajax("install-plugin",e)},g.updates.installPluginSuccess=function(e){var t=c(".plugin-card-"+e.slug+", #plugin-information-footer").find(".install-now"),a=r("Installed!","plugin"),s=v(r("%s installed!","plugin"),e.pluginName);t.removeClass("updating-message").addClass("updated-message installed button-disabled").attr("aria-label",s).text(a),g.a11y.speak(h("Installation completed successfully.")),f.trigger("wp-plugin-install-success",e),e.activateUrl&&setTimeout(function(){g.updates.checkPluginDependencies({slug:e.slug})},1e3),"plugin-information-footer"===t.parent().attr("id")&&g.updates.setCardButtonStatus({status:"installed-plugin",slug:e.slug,removeClasses:"updating-message",addClasses:"updated-message installed button-disabled",text:a,ariaLabel:s})},g.updates.installPluginError=function(e){var t,a=c(".plugin-card-"+e.slug+", #plugin-information-footer"),s=a.find(".install-now"),n=h("Installation failed."),i=v(r("%s installation failed","plugin"),s.data("name"));g.updates.isValidResponse(e,"install")&&!g.updates.maybeHandleCredentialError(e,"install-plugin")&&(t=v(h("Installation failed: %s"),e.errorMessage),a.addClass("plugin-card-update-failed").append('<div class="notice notice-error notice-alt is-dismissible" role="alert"><p>'+t+"</p></div>"),a.on("click",".notice.is-dismissible .notice-dismiss",function(){setTimeout(function(){a.removeClass("plugin-card-update-failed").find(".column-name a").trigger("focus")},200)}),s.removeClass("updating-message").addClass("button-disabled").attr("aria-label",i).text(n),g.a11y.speak(t,"assertive"),g.updates.setCardButtonStatus({status:"plugin-install-failed",slug:e.slug,removeClasses:"updating-message",addClasses:"button-disabled",text:n,ariaLabel:i}),f.trigger("wp-plugin-install-error",e))},g.updates.checkPluginDependencies=function(e){return e=_.extend({success:g.updates.checkPluginDependenciesSuccess,error:g.updates.checkPluginDependenciesError},e),g.a11y.speak(h("Checking plugin dependencies... please wait.")),f.trigger("wp-checking-plugin-dependencies",e),g.updates.ajax("check_plugin_dependencies",e)},g.updates.checkPluginDependenciesSuccess=function(e){var t,a,s=c(".plugin-card-"+e.slug+", #plugin-information-footer").find(".install-now");s.removeClass("install-now installed button-disabled updated-message").addClass("activate-now button-primary").attr("href",e.activateUrl),g.a11y.speak(h("Plugin dependencies check completed successfully.")),f.trigger("wp-check-plugin-dependencies-success",e),("plugins-network"===pagenow||"plugin-install-network"===pagenow?(t=r("Network Activate","plugin"),a=v(r("Network Activate %s","plugin"),e.pluginName),s.attr("aria-label",a)):(t=r("Activate","plugin"),a=v(r("Activate %s","plugin"),e.pluginName),s.attr("aria-label",a).attr("data-name",e.pluginName).attr("data-slug",e.slug).attr("data-plugin",e.plugin))).text(t),"plugin-information-footer"===s.parent().attr("id")&&g.updates.setCardButtonStatus({status:"dependencies-check-success",slug:e.slug,removeClasses:"install-now installed button-disabled updated-message",addClasses:"activate-now button-primary",text:t,ariaLabel:a,pluginName:e.pluginName,plugin:e.plugin,href:e.activateUrl})},g.updates.checkPluginDependenciesError=function(e){var t,a=c(".plugin-card-"+e.slug+", #plugin-information-footer").find(".install-now"),s=r("Activate","plugin"),n=v(r("Cannot activate %1$s. %2$s","plugin"),e.pluginName,e.errorMessage);g.updates.isValidResponse(e,"check-dependencies")&&(t=v(h("Activation failed: %s"),e.errorMessage),g.a11y.speak(t,"assertive"),f.trigger("wp-check-plugin-dependencies-error",e),a.removeClass("install-now installed updated-message").addClass("activate-now button-primary").attr("aria-label",n).text(s),"plugin-information-footer"===a.parent().attr("id"))&&g.updates.setCardButtonStatus({status:"dependencies-check-failed",slug:e.slug,removeClasses:"install-now installed updated-message",addClasses:"activate-now button-primary",text:s,ariaLabel:n})},g.updates.activatePlugin=function(e){var t=c(".plugin-card-"+e.slug+", #plugin-information-footer").find(".activate-now, .activating-message");return e=_.extend({success:g.updates.activatePluginSuccess,error:g.updates.activatePluginError},e),g.a11y.speak(h("Activating... please wait.")),f.trigger("wp-activating-plugin",e),"plugin-information-footer"===t.parent().attr("id")&&g.updates.setCardButtonStatus({status:"activating-plugin",slug:e.slug,removeClasses:"installed updated-message button-primary",addClasses:"activating-message",text:h("Activating..."),ariaLabel:v(r("Activating %s","plugin"),e.name)}),g.updates.ajax("activate-plugin",e)},g.updates.activatePluginSuccess=function(e){var t=c(".plugin-card-"+e.slug+", #plugin-information-footer").find(".activating-message"),a=r("Activated!","plugin"),s=v("%s activated successfully.",e.pluginName);g.a11y.speak(h("Activation completed successfully.")),f.trigger("wp-plugin-activate-success",e),t.removeClass("activating-message").addClass("activated-message button-disabled").attr("aria-label",s).text(a),"plugin-information-footer"===t.parent().attr("id")&&g.updates.setCardButtonStatus({status:"activated-plugin",slug:e.slug,removeClasses:"activating-message",addClasses:"activated-message 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t;return e=_.extend({success:g.updates.updateThemeSuccess,error:g.updates.updateThemeError},e),(t=("themes-network"===pagenow?c('[data-slug="'+e.slug+'"]').find(".update-message").removeClass("notice-error").addClass("updating-message notice-warning"):(t="customize"===pagenow?((t=c('[data-slug="'+e.slug+'"].notice').removeClass("notice-large")).find("h3").remove(),t.add(c("#customize-control-installed_theme_"+e.slug).find(".update-message"))):((t=c("#update-theme").closest(".notice").removeClass("notice-large")).find("h3").remove(),t.add(c('[data-slug="'+e.slug+'"]').find(".update-message")))).addClass("updating-message")).find("p")).html()!==h("Updating...")&&t.data("originaltext",t.html()),g.a11y.speak(h("Updating... please wait.")),t.text(h("Updating...")),f.trigger("wp-theme-updating",e),g.updates.ajax("update-theme",e)},g.updates.updateThemeSuccess=function(e){var t,a,s=c("body.modal-open").length,n=c('[data-slug="'+e.slug+'"]'),i={className:"updated-message notice-success 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.theme-author").after(g.updates.adminNotice(i))},g.updates.updateThemeError=function(e){var t,a=c('[data-slug="'+e.slug+'"]'),s=v(h("Update failed: %s"),e.errorMessage);g.updates.isValidResponse(e,"update")&&!g.updates.maybeHandleCredentialError(e,"update-theme")&&("customize"===pagenow&&(a=g.customize.control("installed_theme_"+e.slug).container.find(".theme")),"themes-network"===pagenow?t=a.find(".update-message "):(t=c(".theme-info .notice").add(a.find(".notice")),(c("body.modal-open").length?c(".load-customize:visible"):a.find(".load-customize")).trigger("focus")),g.updates.addAdminNotice({selector:t,className:"update-message notice-error notice-alt is-dismissible",message:s}),g.a11y.speak(s),f.trigger("wp-theme-update-error",e))},g.updates.installTheme=function(e){var t=c('.theme-install[data-slug="'+e.slug+'"]');return e=_.extend({success:g.updates.installThemeSuccess,error:g.updates.installThemeError},e),t.addClass("updating-message"),t.parents(".theme").addClass("focus"),t.html()!==h("Installing...")&&t.data("originaltext",t.html()),t.attr("aria-label",v(r("Installing %s...","theme"),t.data("name"))).text(h("Installing...")),g.a11y.speak(h("Installing... please wait.")),c('.install-theme-info, [data-slug="'+e.slug+'"]').removeClass("theme-install-failed").find(".notice.notice-error").remove(),f.trigger("wp-theme-installing",e),g.updates.ajax("install-theme",e)},g.updates.installThemeSuccess=function(e){var t,a=c(".wp-full-overlay-header, [data-slug="+e.slug+"]");f.trigger("wp-theme-install-success",e),t=a.find(".button-primary").removeClass("updating-message").addClass("updated-message disabled").attr("aria-label",v(r("%s installed!","theme"),e.themeName)).text(r("Installed!","theme")),g.a11y.speak(h("Installation completed 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a.delete")),e=_.extend({success:g.updates.deleteThemeSuccess,error:g.updates.deleteThemeError},e),t&&t.html()!==h("Deleting...")&&t.data("originaltext",t.html()).text(h("Deleting...")),g.a11y.speak(h("Deleting...")),c(".theme-info .update-message").remove(),f.trigger("wp-theme-deleting",e),g.updates.ajax("delete-theme",e)},g.updates.deleteThemeSuccess=function(n){var e=c('[data-slug="'+n.slug+'"]');"themes-network"===pagenow&&e.css({backgroundColor:"#faafaa"}).fadeOut(350,function(){var e=c(".subsubsub"),t=c(this),a=m.themes,s=g.template("item-deleted-row");t.hasClass("plugin-update-tr")||t.after(s({slug:n.slug,colspan:c("#bulk-action-form").find("thead th:not(.hidden), thead td").length,name:t.find(".theme-title strong").text()})),t.remove(),-1!==_.indexOf(a.upgrade,n.slug)&&(a.upgrade=_.without(a.upgrade,n.slug),g.updates.decrementCount("theme")),-1!==_.indexOf(a.disabled,n.slug)&&(a.disabled=_.without(a.disabled,n.slug),a.disabled.length?e.find(".disabled 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e;if(!g.updates.ajaxLocked&&g.updates.queue.length)switch((e=g.updates.queue.shift()).action){case"install-plugin":g.updates.installPlugin(e.data);break;case"update-plugin":g.updates.updatePlugin(e.data);break;case"delete-plugin":g.updates.deletePlugin(e.data);break;case"install-theme":g.updates.installTheme(e.data);break;case"update-theme":g.updates.updateTheme(e.data);break;case"delete-theme":g.updates.deleteTheme(e.data)}},g.updates.requestFilesystemCredentials=function(e){!1===g.updates.filesystemCredentials.available&&(e&&!g.updates.$elToReturnFocusToFromCredentialsModal&&(g.updates.$elToReturnFocusToFromCredentialsModal=c(e.target)),g.updates.ajaxLocked=!0,g.updates.requestForCredentialsModalOpen())},g.updates.maybeRequestFilesystemCredentials=function(e){g.updates.shouldRequestFilesystemCredentials&&!g.updates.ajaxLocked&&g.updates.requestFilesystemCredentials(e)},g.updates.keydown=function(e){27===e.keyCode?g.updates.requestForCredentialsModalCancel():9===e.keyCode&&("upgrade"!==e.target.id||e.shiftKey?"hostname"===e.target.id&&e.shiftKey&&(c("#upgrade").trigger("focus"),e.preventDefault()):(c("#hostname").trigger("focus"),e.preventDefault()))},g.updates.requestForCredentialsModalOpen=function(){var e=c("#request-filesystem-credentials-dialog");c("body").addClass("modal-open"),e.show(),e.find("input:enabled:first").trigger("focus"),e.on("keydown",g.updates.keydown)},g.updates.requestForCredentialsModalClose=function(){c("#request-filesystem-credentials-dialog").hide(),c("body").removeClass("modal-open"),g.updates.$elToReturnFocusToFromCredentialsModal&&g.updates.$elToReturnFocusToFromCredentialsModal.trigger("focus")},g.updates.requestForCredentialsModalCancel=function(){(g.updates.ajaxLocked||g.updates.queue.length)&&(_.each(g.updates.queue,function(e){f.trigger("credential-modal-cancel",e)}),g.updates.ajaxLocked=!1,g.updates.queue=[],g.updates.requestForCredentialsModalClose())},g.updates.showErrorInCredentialsForm=function(e){var t=c("#request-filesystem-credentials-form");t.find(".notice").remove(),t.find("#request-filesystem-credentials-title").after('<div class="notice notice-alt notice-error" 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Please try again.");if(_.isObject(e)&&!_.isFunction(e.always))return!0;switch(_.isString(e)&&"-1"===e?s=h("An error has occurred. Please reload the page and try again."):_.isString(e)?s=e:void 0!==e.readyState&&0===e.readyState?s=h("Connection lost or the server is busy. 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h("Updates may not complete if you navigate away from this page.")},c(function(){var l=c("#plugin-filter, #plugin-information-footer"),o=c("#bulk-action-form"),e=c("#request-filesystem-credentials-form"),t=c("#request-filesystem-credentials-dialog"),a=c(".plugins-php .wp-filter-search"),d=c(".plugin-install-php 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t=c(e.target),a=c(this).data("name");e.preventDefault(),t.hasClass("updating-message")||(g.updates.shouldRequestFilesystemCredentials&&!g.updates.ajaxLocked&&(g.updates.requestFilesystemCredentials(e),f.on("credential-modal-cancel",function(){t.removeClass("updating-message").attr("aria-label",v(r("Install %s now","plugin"),a)).text(r("Install Now","plugin")),g.a11y.speak(h("Update canceled."))})),g.updates.installPlugin({slug:t.data("slug"),pagenow:pagenow,success:g.updates.installImporterSuccess,error:g.updates.installImporterError}))}),o.on("click","[data-plugin] a.delete",function(e){var t=c(e.target).parents("tr"),a=t.hasClass("is-uninstallable")?v(h("Are you sure you want to delete %s and its data?"),t.find(".plugin-title strong").text()):v(h("Are you sure you want to delete %s?"),t.find(".plugin-title strong").text());e.preventDefault(),window.confirm(a)&&(g.updates.maybeRequestFilesystemCredentials(e),g.updates.deletePlugin({plugin:t.data("plugin"),slug:t.data("slug")}))}),f.on("click",".themes-php.network-admin .update-link",function(e){var t=c(e.target),a=t.parents("tr");e.preventDefault(),t.hasClass("updating-message")||t.hasClass("button-disabled")||(g.updates.maybeRequestFilesystemCredentials(e),g.updates.$elToReturnFocusToFromCredentialsModal=a.find(".check-column input"),g.updates.updateTheme({slug:a.data("slug")}))}),f.on("click",".themes-php.network-admin a.delete",function(e){var t=c(e.target).parents("tr"),a=v(h("Are you sure you want to delete %s?"),t.find(".theme-title strong").text());e.preventDefault(),window.confirm(a)&&(g.updates.maybeRequestFilesystemCredentials(e),g.updates.deleteTheme({slug:t.data("slug")}))}),o.on("click",'[type="submit"]:not([name="clear-recent-list"])',function(e){var t,s,n=c(e.target).siblings("select").val(),a=o.find('input[name="checked[]"]:checked'),i=0,l=0,d=[];switch(pagenow){case"plugins":case"plugins-network":t="plugin";break;case"themes-network":t="theme";break;default:return}switch(n=a.length?n:!1){case"update-selected":s=n.replace("selected",t);break;case"delete-selected":var u=h("plugin"===t?"Are you sure you want to delete the selected plugins and their data?":"Caution: These themes may be active on other sites in the network. 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Try a different search.")):g.a11y.speak(v(h("Number of plugins found: %d"),e.count))}))):a.attr("autocomplete","on")},500)),f.on("submit",".search-plugins",function(e){e.preventDefault(),c("input.wp-filter-search").trigger("input")}),f.on("click",".try-again",function(e){e.preventDefault(),d.trigger("input")}),c("#typeselector").on("change",function(){var e=c('input[name="s"]');e.val().length&&e.trigger("input","typechange")}),c("#plugin_update_from_iframe").on("click",function(e){var t=window.parent===window?null:window.parent;c.support.postMessage=!!window.postMessage,!1!==c.support.postMessage&&null!==t&&-1===window.parent.location.pathname.indexOf("update-core.php")&&(e.preventDefault(),e={action:"update-plugin",data:{plugin:c(this).data("plugin"),slug:c(this).data("slug")}},t.postMessage(JSON.stringify(e),window.location.origin))}),c(window).on("message",function(e){var t,e=e.originalEvent,a=document.location.protocol+"//"+document.location.host;if(e.origin===a){try{t=JSON.parse(e.data)}catch(e){return}if(t)if(void 0!==t.status&&void 0!==t.slug&&void 0!==t.text&&void 0!==t.ariaLabel&&(a=c(".plugin-card-"+t.slug).find('[data-slug="'+t.slug+'"]'),void 0!==t.removeClasses&&a.removeClass(t.removeClasses),void 0!==t.addClasses&&a.addClass(t.addClasses),""===t.ariaLabel?a.removeAttr("aria-label"):a.attr("aria-label",t.ariaLabel),"dependencies-check-success"===t.status&&a.attr("data-name",t.pluginName).attr("data-slug",t.slug).attr("data-plugin",t.plugin).attr("href",t.href),a.text(t.text)),void 0!==t.action)switch(t.action){case"decrementUpdateCount":g.updates.decrementCount(t.upgradeType);break;case"install-plugin":case"update-plugin":void 0!==t.data&&void 0!==t.data.slug&&(t.data=g.updates._addCallbacks(t.data,t.action),g.updates.queue.push(t),g.updates.queueChecker())}}}),c(window).on("beforeunload",g.updates.beforeunload),f.on("keydown",".column-auto-updates .toggle-auto-update, .theme-overlay .toggle-auto-update",function(e){32===e.which&&e.preventDefault()}),f.on("click keyup",".column-auto-updates .toggle-auto-update, .theme-overlay .toggle-auto-update",function(e){var l,d,u,o=c(this),r=o.attr("data-wp-action"),p=o.find(".label");if(("keyup"!==e.type||32===e.which)&&(u="themes"!==pagenow?o.closest(".column-auto-updates"):o.closest(".theme-autoupdate"),e.preventDefault(),"yes"!==o.attr("data-doing-ajax"))){switch(o.attr("data-doing-ajax","yes"),pagenow){case"plugins":case"plugins-network":d="plugin",l=o.closest("tr").attr("data-plugin");break;case"themes-network":d="theme",l=o.closest("tr").attr("data-slug");break;case"themes":d="theme",l=o.attr("data-slug")}u.find(".notice.notice-error").addClass("hidden"),"enable"===r?p.text(h("Enabling...")):p.text(h("Disabling...")),o.find(".dashicons-update").removeClass("hidden"),e={action:"toggle-auto-updates",_ajax_nonce:m.ajax_nonce,state:r,type:d,asset:l},c.post(window.ajaxurl,e).done(function(e){var t,a,s,n,i=o.attr("href");if(e.success){if("themes"!==pagenow){switch(n=c(".auto-update-enabled span"),t=c(".auto-update-disabled span"),a=parseInt(n.text().replace(/[^\d]+/g,""),10)||0,s=parseInt(t.text().replace(/[^\d]+/g,""),10)||0,r){case"enable":++a,--s;break;case"disable":--a,++s}a=Math.max(0,a),s=Math.max(0,s),n.text("("+a+")"),t.text("("+s+")")}"enable"===r?(o[0].hasAttribute("href")&&(i=i.replace("action=enable-auto-update","action=disable-auto-update"),o.attr("href",i)),o.attr("data-wp-action","disable"),p.text(h("Disable auto-updates")),u.find(".auto-update-time").removeClass("hidden"),g.a11y.speak(h("Auto-updates enabled"))):(o[0].hasAttribute("href")&&(i=i.replace("action=disable-auto-update","action=enable-auto-update"),o.attr("href",i)),o.attr("data-wp-action","enable"),p.text(h("Enable auto-updates")),u.find(".auto-update-time").addClass("hidden"),g.a11y.speak(h("Auto-updates disabled"))),f.trigger("wp-auto-update-setting-changed",{state:r,type:d,asset:l})}else n=e.data&&e.data.error?e.data.error:h("The request could not be completed."),u.find(".notice.notice-error").removeClass("hidden").find("p").text(n),g.a11y.speak(n,"assertive")}).fail(function(){u.find(".notice.notice-error").removeClass("hidden").find("p").text(h("The request could not be completed.")),g.a11y.speak(h("The request could not be completed."),"assertive")}).always(function(){o.removeAttr("data-doing-ajax").find(".dashicons-update").addClass("hidden")})}})})}(jQuery,window.wp,window._wpUpdatesSettings);PK       ! 3����I  �I  
  postbox.jsnu �[���        /**
 * Contains the postboxes logic, opening and closing postboxes, reordering and saving
 * the state and ordering to the database.
 *
 * @since 2.5.0
 * @requires jQuery
 * @output wp-admin/js/postbox.js
 */

/* global ajaxurl, postboxes */

(function($) {
	var $document = $( document ),
		__ = wp.i18n.__;

	/**
	 * This object contains all function to handle the behavior of the post boxes. The post boxes are the boxes you see
	 * around the content on the edit page.
	 *
	 * @since 2.7.0
	 *
	 * @namespace postboxes
	 *
	 * @type {Object}
	 */
	window.postboxes = {

		/**
		 * Handles a click on either the postbox heading or the postbox open/close icon.
		 *
		 * Opens or closes the postbox. Expects `this` to equal the clicked element.
		 * Calls postboxes.pbshow if the postbox has been opened, calls postboxes.pbhide
		 * if the postbox has been closed.
		 *
		 * @since 4.4.0
		 *
		 * @memberof postboxes
		 *
		 * @fires postboxes#postbox-toggled
		 *
		 * @return {void}
		 */
		handle_click : function () {
			var $el = $( this ),
				p = $el.closest( '.postbox' ),
				id = p.attr( 'id' ),
				ariaExpandedValue;

			if ( 'dashboard_browser_nag' === id ) {
				return;
			}

			p.toggleClass( 'closed' );
			ariaExpandedValue = ! p.hasClass( 'closed' );

			if ( $el.hasClass( 'handlediv' ) ) {
				// The handle button was clicked.
				$el.attr( 'aria-expanded', ariaExpandedValue );
			} else {
				// The handle heading was clicked.
				$el.closest( '.postbox' ).find( 'button.handlediv' )
					.attr( 'aria-expanded', ariaExpandedValue );
			}

			if ( postboxes.page !== 'press-this' ) {
				postboxes.save_state( postboxes.page );
			}

			if ( id ) {
				if ( !p.hasClass('closed') && typeof postboxes.pbshow === 'function' ) {
					postboxes.pbshow( id );
				} else if ( p.hasClass('closed') && typeof postboxes.pbhide === 'function' ) {
					postboxes.pbhide( id );
				}
			}

			/**
			 * Fires when a postbox has been opened or closed.
			 *
			 * Contains a jQuery object with the relevant postbox element.
			 *
			 * @since 4.0.0
			 * @ignore
			 *
			 * @event postboxes#postbox-toggled
			 * @type {Object}
			 */
			$document.trigger( 'postbox-toggled', p );
		},

		/**
		 * Handles clicks on the move up/down buttons.
		 *
		 * @since 5.5.0
		 *
		 * @return {void}
		 */
		handleOrder: function() {
			var button = $( this ),
				postbox = button.closest( '.postbox' ),
				postboxId = postbox.attr( 'id' ),
				postboxesWithinSortables = postbox.closest( '.meta-box-sortables' ).find( '.postbox:visible' ),
				postboxesWithinSortablesCount = postboxesWithinSortables.length,
				postboxWithinSortablesIndex = postboxesWithinSortables.index( postbox ),
				firstOrLastPositionMessage;

			if ( 'dashboard_browser_nag' === postboxId ) {
				return;
			}

			// If on the first or last position, do nothing and send an audible message to screen reader users.
			if ( 'true' === button.attr( 'aria-disabled' ) ) {
				firstOrLastPositionMessage = button.hasClass( 'handle-order-higher' ) ?
					__( 'The box is on the first position' ) :
					__( 'The box is on the last position' );

				wp.a11y.speak( firstOrLastPositionMessage );
				return;
			}

			// Move a postbox up.
			if ( button.hasClass( 'handle-order-higher' ) ) {
				// If the box is first within a sortable area, move it to the previous sortable area.
				if ( 0 === postboxWithinSortablesIndex ) {
					postboxes.handleOrderBetweenSortables( 'previous', button, postbox );
					return;
				}

				postbox.prevAll( '.postbox:visible' ).eq( 0 ).before( postbox );
				button.trigger( 'focus' );
				postboxes.updateOrderButtonsProperties();
				postboxes.save_order( postboxes.page );
			}

			// Move a postbox down.
			if ( button.hasClass( 'handle-order-lower' ) ) {
				// If the box is last within a sortable area, move it to the next sortable area.
				if ( postboxWithinSortablesIndex + 1 === postboxesWithinSortablesCount ) {
					postboxes.handleOrderBetweenSortables( 'next', button, postbox );
					return;
				}

				postbox.nextAll( '.postbox:visible' ).eq( 0 ).after( postbox );
				button.trigger( 'focus' );
				postboxes.updateOrderButtonsProperties();
				postboxes.save_order( postboxes.page );
			}

		},

		/**
		 * Moves postboxes between the sortables areas.
		 *
		 * @since 5.5.0
		 *
		 * @param {string} position The "previous" or "next" sortables area.
		 * @param {Object} button   The jQuery object representing the button that was clicked.
		 * @param {Object} postbox  The jQuery object representing the postbox to be moved.
		 *
		 * @return {void}
		 */
		handleOrderBetweenSortables: function( position, button, postbox ) {
			var closestSortablesId = button.closest( '.meta-box-sortables' ).attr( 'id' ),
				sortablesIds = [],
				sortablesIndex,
				detachedPostbox;

			// Get the list of sortables within the page.
			$( '.meta-box-sortables:visible' ).each( function() {
				sortablesIds.push( $( this ).attr( 'id' ) );
			});

			// Return if there's only one visible sortables area, e.g. in the block editor page.
			if ( 1 === sortablesIds.length ) {
				return;
			}

			// Find the index of the current sortables area within all the sortable areas.
			sortablesIndex = $.inArray( closestSortablesId, sortablesIds );
			// Detach the postbox to be moved.
			detachedPostbox = postbox.detach();

			// Move the detached postbox to its new position.
			if ( 'previous' === position ) {
				$( detachedPostbox ).appendTo( '#' + sortablesIds[ sortablesIndex - 1 ] );
			}

			if ( 'next' === position ) {
				$( detachedPostbox ).prependTo( '#' + sortablesIds[ sortablesIndex + 1 ] );
			}

			postboxes._mark_area();
			button.focus();
			postboxes.updateOrderButtonsProperties();
			postboxes.save_order( postboxes.page );
		},

		/**
		 * Update the move buttons properties depending on the postbox position.
		 *
		 * @since 5.5.0
		 *
		 * @return {void}
		 */
		updateOrderButtonsProperties: function() {
			var firstSortablesId = $( '.meta-box-sortables:visible:first' ).attr( 'id' ),
				lastSortablesId = $( '.meta-box-sortables:visible:last' ).attr( 'id' ),
				firstPostbox = $( '.postbox:visible:first' ),
				lastPostbox = $( '.postbox:visible:last' ),
				firstPostboxId = firstPostbox.attr( 'id' ),
				lastPostboxId = lastPostbox.attr( 'id' ),
				firstPostboxSortablesId = firstPostbox.closest( '.meta-box-sortables' ).attr( 'id' ),
				lastPostboxSortablesId = lastPostbox.closest( '.meta-box-sortables' ).attr( 'id' ),
				moveUpButtons = $( '.handle-order-higher' ),
				moveDownButtons = $( '.handle-order-lower' );

			// Enable all buttons as a reset first.
			moveUpButtons
				.attr( 'aria-disabled', 'false' )
				.removeClass( 'hidden' );
			moveDownButtons
				.attr( 'aria-disabled', 'false' )
				.removeClass( 'hidden' );

			// When there's only one "sortables" area (e.g. in the block editor) and only one visible postbox, hide the buttons.
			if ( firstSortablesId === lastSortablesId && firstPostboxId === lastPostboxId ) {
				moveUpButtons.addClass( 'hidden' );
				moveDownButtons.addClass( 'hidden' );
			}

			// Set an aria-disabled=true attribute on the first visible "move" buttons.
			if ( firstSortablesId === firstPostboxSortablesId ) {
				$( firstPostbox ).find( '.handle-order-higher' ).attr( 'aria-disabled', 'true' );
			}

			// Set an aria-disabled=true attribute on the last visible "move" buttons.
			if ( lastSortablesId === lastPostboxSortablesId ) {
				$( '.postbox:visible .handle-order-lower' ).last().attr( 'aria-disabled', 'true' );
			}
		},

		/**
		 * Adds event handlers to all postboxes and screen option on the current page.
		 *
		 * @since 2.7.0
		 *
		 * @memberof postboxes
		 *
		 * @param {string} page The page we are currently on.
		 * @param {Object} [args]
		 * @param {Function} args.pbshow A callback that is called when a postbox opens.
		 * @param {Function} args.pbhide A callback that is called when a postbox closes.
		 * @return {void}
		 */
		add_postbox_toggles : function (page, args) {
			var $handles = $( '.postbox .hndle, .postbox .handlediv' ),
				$orderButtons = $( '.postbox .handle-order-higher, .postbox .handle-order-lower' );

			this.page = page;
			this.init( page, args );

			$handles.on( 'click.postboxes', this.handle_click );

			// Handle the order of the postboxes.
			$orderButtons.on( 'click.postboxes', this.handleOrder );

			/**
			 * @since 2.7.0
			 */
			$('.postbox .hndle a').on( 'click', function(e) {
				e.stopPropagation();
			});

			/**
			 * Hides a postbox.
			 *
			 * Event handler for the postbox dismiss button. After clicking the button
			 * the postbox will be hidden.
			 *
			 * As of WordPress 5.5, this is only used for the browser update nag.
			 *
			 * @since 3.2.0
			 *
			 * @return {void}
			 */
			$( '.postbox a.dismiss' ).on( 'click.postboxes', function( e ) {
				var hide_id = $(this).parents('.postbox').attr('id') + '-hide';
				e.preventDefault();
				$( '#' + hide_id ).prop('checked', false).triggerHandler('click');
			});

			/**
			 * Hides the postbox element
			 *
			 * Event handler for the screen options checkboxes. When a checkbox is
			 * clicked this function will hide or show the relevant postboxes.
			 *
			 * @since 2.7.0
			 * @ignore
			 *
			 * @fires postboxes#postbox-toggled
			 *
			 * @return {void}
			 */
			$('.hide-postbox-tog').on('click.postboxes', function() {
				var $el = $(this),
					boxId = $el.val(),
					$postbox = $( '#' + boxId );

				if ( $el.prop( 'checked' ) ) {
					$postbox.show();
					if ( typeof postboxes.pbshow === 'function' ) {
						postboxes.pbshow( boxId );
					}
				} else {
					$postbox.hide();
					if ( typeof postboxes.pbhide === 'function' ) {
						postboxes.pbhide( boxId );
					}
				}

				postboxes.save_state( page );
				postboxes._mark_area();

				/**
				 * @since 4.0.0
				 * @see postboxes.handle_click
				 */
				$document.trigger( 'postbox-toggled', $postbox );
			});

			/**
			 * Changes the amount of columns based on the layout preferences.
			 *
			 * @since 2.8.0
			 *
			 * @return {void}
			 */
			$('.columns-prefs input[type="radio"]').on('click.postboxes', function(){
				var n = parseInt($(this).val(), 10);

				if ( n ) {
					postboxes._pb_edit(n);
					postboxes.save_order( page );
				}
			});
		},

		/**
		 * Initializes all the postboxes, mainly their sortable behavior.
		 *
		 * @since 2.7.0
		 *
		 * @memberof postboxes
		 *
		 * @param {string} page The page we are currently on.
		 * @param {Object} [args={}] The arguments for the postbox initializer.
		 * @param {Function} args.pbshow A callback that is called when a postbox opens.
		 * @param {Function} args.pbhide A callback that is called when a postbox
		 *                               closes.
		 *
		 * @return {void}
		 */
		init : function(page, args) {
			var isMobile = $( document.body ).hasClass( 'mobile' ),
				$handleButtons = $( '.postbox .handlediv' );

			$.extend( this, args || {} );
			$('.meta-box-sortables').sortable({
				placeholder: 'sortable-placeholder',
				connectWith: '.meta-box-sortables',
				items: '.postbox',
				handle: '.hndle',
				cursor: 'move',
				delay: ( isMobile ? 200 : 0 ),
				distance: 2,
				tolerance: 'pointer',
				forcePlaceholderSize: true,
				helper: function( event, element ) {
					/* `helper: 'clone'` is equivalent to `return element.clone();`
					 * Cloning a checked radio and then inserting that clone next to the original
					 * radio unchecks the original radio (since only one of the two can be checked).
					 * We get around this by renaming the helper's inputs' name attributes so that,
					 * when the helper is inserted into the DOM for the sortable, no radios are
					 * duplicated, and no original radio gets unchecked.
					 */
					return element.clone()
						.find( ':input' )
							.attr( 'name', function( i, currentName ) {
								return 'sort_' + parseInt( Math.random() * 100000, 10 ).toString() + '_' + currentName;
							} )
						.end();
				},
				opacity: 0.65,
				start: function() {
					$( 'body' ).addClass( 'is-dragging-metaboxes' );
					// Refresh the cached positions of all the sortable items so that the min-height set while dragging works.
					$( '.meta-box-sortables' ).sortable( 'refreshPositions' );
				},
				stop: function() {
					var $el = $( this );

					$( 'body' ).removeClass( 'is-dragging-metaboxes' );

					if ( $el.find( '#dashboard_browser_nag' ).is( ':visible' ) && 'dashboard_browser_nag' != this.firstChild.id ) {
						$el.sortable('cancel');
						return;
					}

					postboxes.updateOrderButtonsProperties();
					postboxes.save_order(page);
				},
				receive: function(e,ui) {
					if ( 'dashboard_browser_nag' == ui.item[0].id )
						$(ui.sender).sortable('cancel');

					postboxes._mark_area();
					$document.trigger( 'postbox-moved', ui.item );
				}
			});

			if ( isMobile ) {
				$(document.body).on('orientationchange.postboxes', function(){ postboxes._pb_change(); });
				this._pb_change();
			}

			this._mark_area();

			// Update the "move" buttons properties.
			this.updateOrderButtonsProperties();
			$document.on( 'postbox-toggled', this.updateOrderButtonsProperties );

			// Set the handle buttons `aria-expanded` attribute initial value on page load.
			$handleButtons.each( function () {
				var $el = $( this );
				$el.attr( 'aria-expanded', ! $el.closest( '.postbox' ).hasClass( 'closed' ) );
			});
		},

		/**
		 * Saves the state of the postboxes to the server.
		 *
		 * It sends two lists, one with all the closed postboxes, one with all the
		 * hidden postboxes.
		 *
		 * @since 2.7.0
		 *
		 * @memberof postboxes
		 *
		 * @param {string} page The page we are currently on.
		 * @return {void}
		 */
		save_state : function(page) {
			var closed, hidden;

			// Return on the nav-menus.php screen, see #35112.
			if ( 'nav-menus' === page ) {
				return;
			}

			closed = $( '.postbox' ).filter( '.closed' ).map( function() { return this.id; } ).get().join( ',' );
			hidden = $( '.postbox' ).filter( ':hidden' ).map( function() { return this.id; } ).get().join( ',' );

			$.post(
				ajaxurl,
				{
					action: 'closed-postboxes',
					closed: closed,
					hidden: hidden,
					closedpostboxesnonce: jQuery('#closedpostboxesnonce').val(),
					page: page
				},
				function() {
					wp.a11y.speak( __( 'Screen Options updated.' ) );
				}
			);
		},

		/**
		 * Saves the order of the postboxes to the server.
		 *
		 * Sends a list of all postboxes inside a sortable area to the server.
		 *
		 * @since 2.8.0
		 *
		 * @memberof postboxes
		 *
		 * @param {string} page The page we are currently on.
		 * @return {void}
		 */
		save_order : function(page) {
			var postVars, page_columns = $('.columns-prefs input:checked').val() || 0;

			postVars = {
				action: 'meta-box-order',
				_ajax_nonce: $('#meta-box-order-nonce').val(),
				page_columns: page_columns,
				page: page
			};

			$('.meta-box-sortables').each( function() {
				postVars[ 'order[' + this.id.split( '-' )[0] + ']' ] = $( this ).sortable( 'toArray' ).join( ',' );
			} );

			$.post(
				ajaxurl,
				postVars,
				function( response ) {
					if ( response.success ) {
						wp.a11y.speak( __( 'The boxes order has been saved.' ) );
					}
				}
			);
		},

		/**
		 * Marks empty postbox areas.
		 *
		 * Adds a message to empty sortable areas on the dashboard page. Also adds a
		 * border around the side area on the post edit screen if there are no postboxes
		 * present.
		 *
		 * @since 3.3.0
		 * @access private
		 *
		 * @memberof postboxes
		 *
		 * @return {void}
		 */
		_mark_area : function() {
			var visible = $( 'div.postbox:visible' ).length,
				visibleSortables = $( '#dashboard-widgets .meta-box-sortables:visible, #post-body .meta-box-sortables:visible' ),
				areAllVisibleSortablesEmpty = true;

			visibleSortables.each( function() {
				var t = $(this);

				if ( visible == 1 || t.children( '.postbox:visible' ).length ) {
					t.removeClass('empty-container');
					areAllVisibleSortablesEmpty = false;
				}
				else {
					t.addClass('empty-container');
				}
			});

			postboxes.updateEmptySortablesText( visibleSortables, areAllVisibleSortablesEmpty );
		},

		/**
		 * Updates the text for the empty sortable areas on the Dashboard.
		 *
		 * @since 5.5.0
		 *
		 * @param {Object}  visibleSortables            The jQuery object representing the visible sortable areas.
		 * @param {boolean} areAllVisibleSortablesEmpty Whether all the visible sortable areas are "empty".
		 *
		 * @return {void}
		 */
		updateEmptySortablesText: function( visibleSortables, areAllVisibleSortablesEmpty ) {
			var isDashboard = $( '#dashboard-widgets' ).length,
				emptySortableText = areAllVisibleSortablesEmpty ?  __( 'Add boxes from the Screen Options menu' ) : __( 'Drag boxes here' );

			if ( ! isDashboard ) {
				return;
			}

			visibleSortables.each( function() {
				if ( $( this ).hasClass( 'empty-container' ) ) {
					$( this ).attr( 'data-emptyString', emptySortableText );
				}
			} );
		},

		/**
		 * Changes the amount of columns on the post edit page.
		 *
		 * @since 3.3.0
		 * @access private
		 *
		 * @memberof postboxes
		 *
		 * @fires postboxes#postboxes-columnchange
		 *
		 * @param {number} n The amount of columns to divide the post edit page in.
		 * @return {void}
		 */
		_pb_edit : function(n) {
			var el = $('.metabox-holder').get(0);

			if ( el ) {
				el.className = el.className.replace(/columns-\d+/, 'columns-' + n);
			}

			/**
			 * Fires when the amount of columns on the post edit page has been changed.
			 *
			 * @since 4.0.0
			 * @ignore
			 *
			 * @event postboxes#postboxes-columnchange
			 */
			$( document ).trigger( 'postboxes-columnchange' );
		},

		/**
		 * Changes the amount of columns the postboxes are in based on the current
		 * orientation of the browser.
		 *
		 * @since 3.3.0
		 * @access private
		 *
		 * @memberof postboxes
		 *
		 * @return {void}
		 */
		_pb_change : function() {
			var check = $( 'label.columns-prefs-1 input[type="radio"]' );

			switch ( window.orientation ) {
				case 90:
				case -90:
					if ( !check.length || !check.is(':checked') )
						this._pb_edit(2);
					break;
				case 0:
				case 180:
					if ( $( '#poststuff' ).length ) {
						this._pb_edit(1);
					} else {
						if ( !check.length || !check.is(':checked') )
							this._pb_edit(2);
					}
					break;
			}
		},

		/* Callbacks */

		/**
		 * @since 2.7.0
		 * @access public
		 *
		 * @property {Function|boolean} pbshow A callback that is called when a postbox
		 *                                     is opened.
		 * @memberof postboxes
		 */
		pbshow : false,

		/**
		 * @since 2.7.0
		 * @access public
		 * @property {Function|boolean} pbhide A callback that is called when a postbox
		 *                                     is closed.
		 * @memberof postboxes
		 */
		pbhide : false
	};

}(jQuery));
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            �� gallery.jsnu �[���        PK         ! �3��+  �+              �� tags-box.jsnu �[���        PK         ! �:��g  g  
            a comment.jsnu �[���        PK         ! 2jv�l  l                set-post-thumbnail.min.jsnu �[���        PK         ! ,j��                �" word-count.jsnu �[���        PK         ! �G��%  �%              A inline-edit-post.min.jsnu �[���        PK         ! �Gw	  	              �f link.jsnu �[���        PK         ! ��k�u  u              z accordion.jsnu �[���        PK         ! �l�4  �4              Ʌ editor-expand.min.jsnu �[���        PK         ! a�M��  �              �� image-edit.jsnu �[���        PK         ! r�y$  $              �Z auth-app.min.jsnu �[���        PK         ! �%��  �               c tags-suggest.min.jsnu �[���        PK         ! ��^�  �              @l custom-background.min.jsnu �[���        PK         ! <���  �              >q media-upload.min.jsnu �[���        PK         ! �a��  �              v accordion.min.jsnu �[���        PK         ! ��@?:Z  :Z  
            7y widgets.jsnu �[���        PK         ! M!R��  �              �� gallery.min.jsnu �[���        PK         ! `.�3  3              �� editor.min.jsnu �[���        PK         ! ġNr�  �              � application-passwords.min.jsnu �[���        PK         ! ���5k  k              �! custom-background.jsnu �[���        PK         ! �����  �              �/ site-icon.min.jsnu �[���        PK         ! `�x                �8 tags-box.min.jsnu �[���        PK         ! ��8��  �  
            �D xfn.min.jsnu �[���        PK         ! ���¶ ¶             G customize-controls.min.jsnu �[���        PK         ! ��D��  �              � xfn.jsnu �[���        PK         ! A^[_�  �              & application-passwords.jsnu �[���        PK         ! ��gÌ  �              h password-strength-meter.jsnu �[���        PK         ! ��  �              >+ user-suggest.min.jsnu �[���        PK         ! v�!�Ax  Ax              %. nav-menu.min.jsnu �[���        PK         ! ��D��  �              �� svg-painter.jsnu �[���        PK         ! ;LW�l  l              �� dashboard.jsnu �[���        PK         ! ����  �                inline-edit-tax.min.jsnu �[���        PK         ! A��"  �"              �+ dashboard.min.jsnu �[���        PK         ! l;��O  O              �N password-toggle.min.jsnu �[���        PK         ! [��  �              oR farbtastic.jsnu �[���        PK         ! �
#u��  ��              Uq edit-comments.jsnu �[���        PK         ! ڷ�A1  A1              � widgets.min.jsnu �[���        PK         ! �Y����  ��              8 revisions.jsnu �[���        PK         ! �2S�+F  +F              �� code-editor.jsnu �[���        PK         ! E~�3�<  �<              ] image-edit.min.jsnu �[���        PK         ! �I�	  �	              9C tags.min.jsnu �[���        PK         ! f� [#  #              M comment.min.jsnu �[���        PK         ! �g��  �              xR language-chooser.min.jsnu �[���        PK         ! �<��n�  n�              fT editor-expand.jsnu �[���        PK         ! ���wH/  H/              � theme-plugin-editor.min.jsnu �[���        PK         ! ���!� � 
            �* updates.jsnu �[���        PK         ! Z�D;�  ;�              _� updates.min.jsnu �[���        PK         ! 3����I  �I  
            ؝ postbox.jsnu �[���        PK    o o z#  �   