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+/**
+ * @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 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 = $( event.target ).is( '.widget-tpl:visible:last' );
+
+ if ( isDown || isUp ) {
+ if ( isDown ) {
+ if ( isSearchFocused ) {
+ selected = firstVisible;
+ } else if ( this.selected && this.selected.nextAll( '.widget-tpl:visible' ).length !== 0 ) {
+ selected = this.selected.nextAll( '.widget-tpl:visible:first' );
+ }
+ } else if ( isUp ) {
+ if ( isSearchFocused ) {
+ selected = lastVisible;
+ } else if ( this.selected && this.selected.prevAll( '.widget-tpl:visible' ).length !== 0 ) {
+ selected = this.selected.prevAll( '.widget-tpl:visible:first' );
+ }
+ }
+
+ this.select( selected );
+
+ if ( selected ) {
+ selected.trigger( 'focus' );
+ } else {
+ this.$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'
+ });
+ 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 );