FM / js

/home/desid573/public_html/magicride.ng/wp-admin/js/

/home/desid573/public_html/magicride.ng/wp-admin/js

Name	Size	Mode	Actions
widgets/	-	0755	rm
accordion.js	2953	0644	edit dl rm
accordion.min.js	830	0644	edit dl rm
code-editor.js	11587	0644	edit dl rm
code-editor.min.js	3069	0644	edit dl rm
color-picker.js	9823	0644	edit dl rm
color-picker.min.js	3486	0644	edit dl rm
comment.js	2795	0644	edit dl rm
comment.min.js	1230	0644	edit dl rm
common.js	42764	0644	edit dl rm
common.min.js	15219	0644	edit dl rm
custom-background.js	3426	0644	edit dl rm
custom-background.min.js	1162	0644	edit dl rm
custom-header.js	2019	0644	edit dl rm
customize-controls.js	290802	0644	edit dl rm
customize-controls.min.js	110748	0644	edit dl rm
customize-nav-menus.js	109010	0644	edit dl rm
customize-nav-menus.min.js	45975	0644	edit dl rm
customize-widgets.js	71489	0644	edit dl rm
customize-widgets.min.js	27966	0644	edit dl rm
dashboard.js	18858	0644	edit dl rm
dashboard.min.js	6615	0644	edit dl rm
edit-comments.js	29270	0644	edit dl rm
edit-comments.min.js	15044	0644	edit dl rm
editor-expand.js	42631	0644	edit dl rm
editor-expand.min.js	13416	0644	edit dl rm
editor.js	45313	0644	edit dl rm
editor.min.js	13192	0644	edit dl rm
farbtastic.js	7689	0644	edit dl rm
gallery.js	5638	0644	edit dl rm
gallery.min.js	3801	0644	edit dl rm
image-edit.js	29294	0644	edit dl rm
image-edit.min.js	10070	0644	edit dl rm
inline-edit-post.js	16307	0644	edit dl rm
inline-edit-post.min.js	7284	0644	edit dl rm
inline-edit-tax.js	7701	0644	edit dl rm
inline-edit-tax.min.js	2871	0644	edit dl rm
iris.min.js	23608	0644	edit dl rm
language-chooser.js	873	0644	edit dl rm
language-chooser.min.js	374	0644	edit dl rm
link.js	3875	0644	edit dl rm
link.min.js	1635	0644	edit dl rm
media-gallery.js	1306	0644	edit dl rm
media-gallery.min.js	578	0644	edit dl rm
media-upload.js	3463	0644	edit dl rm
media-upload.min.js	1112	0644	edit dl rm
media.js	5227	0644	edit dl rm
media.min.js	1867	0644	edit dl rm
nav-menu.js	42482	0644	edit dl rm
nav-menu.min.js	20949	0644	edit dl rm
password-strength-meter.js	3173	0644	edit dl rm
password-strength-meter.min.js	731	0644	edit dl rm
plugin-install.js	7017	0644	edit dl rm
plugin-install.min.js	2353	0644	edit dl rm
post.js	37407	0644	edit dl rm
post.min.js	18027	0644	edit dl rm
postbox.js	11765	0644	edit dl rm
postbox.min.js	4144	0644	edit dl rm
revisions.js	33790	0644	edit dl rm
revisions.min.js	17840	0644	edit dl rm
set-post-thumbnail.js	841	0644	edit dl rm
set-post-thumbnail.min.js	533	0644	edit dl rm
site-health.js	8626	0644	edit dl rm
site-health.min.js	4663	0644	edit dl rm
svg-painter.js	5522	0644	edit dl rm
svg-painter.min.js	2337	0644	edit dl rm
tags-box.js	11040	0644	edit dl rm
tags-box.min.js	3025	0644	edit dl rm
tags-suggest.js	5440	0644	edit dl rm
tags-suggest.min.js	2194	0644	edit dl rm
tags.js	4346	0644	edit dl rm
tags.min.js	1655	0644	edit dl rm
theme-plugin-editor.js	24676	0644	edit dl rm
theme-plugin-editor.min.js	11201	0644	edit dl rm
theme.js	54392	0644	edit dl rm
theme.min.js	26462	0644	edit dl rm
updates.js	80573	0644	edit dl rm
updates.min.js	35629	0644	edit dl rm
user-profile.js	12252	0644	edit dl rm
user-profile.min.js	6238	0644	edit dl rm
user-suggest.js	2317	0644	edit dl rm
user-suggest.min.js	657	0644	edit dl rm
widgets.js	22876	0644	edit dl rm
widgets.min.js	12395	0644	edit dl rm
word-count.js	7690	0644	edit dl rm
word-count.min.js	1500	0644	edit dl rm
wp-fullscreen-stub.js	678	0644	edit dl rm
wp-fullscreen-stub.min.js	326	0644	edit dl rm
xfn.js	7710	0644	edit dl rm
xfn.min.js	3352	0644	edit dl rm

Edit: /home/desid573/public_html/magicride.ng/wp-admin/js/customize-widgets.js (71489B)

/**
 * @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( 'id' ), 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 a `keyup` event to fire a new search.
			this.$clearResults.on( 'click', function() {
				self.$search.val( '' ).focus().trigger( 'keyup' );
			} );

// 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.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( '' );
		},

/**
		 * Adds keyboard accessiblity 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.focus();
				} else {
					this.$search.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 ).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 ).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
		 * @returns {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
		 * @returns {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
		 * @returns {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 ( ! $.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]
		 * @returns {Boolean} false if state already applied
		 */
		_toggleExpanded: api.Section.prototype._toggleExpanded,

/**
		 * @since 4.1.0
		 *
		 * @param {Object} [params]
		 * @returns {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]
		 * @returns {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 ( expanded ) {
				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
		 *
		 * @returns {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'
				});
				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.
				 *
				 * @returns {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
		 *
		 * @returns {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
		 * @returns {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 = $.trim( $( '#widget-tpl-' + widget.get( 'id' ) ).html() );
			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
	 * @returns {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
	 * @returns {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 );

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