--- /dev/null
+/* global _wpCustomizeWidgetsSettings */
+(function( wp, $ ){
+
+ if ( ! wp || ! wp.customize ) { return; }
+
+ // Set up our namespace...
+ var api = wp.customize,
+ l10n, OldPreviewer;
+
+ api.Widgets = api.Widgets || {};
+
+ // Link settings
+ api.Widgets.data = _wpCustomizeWidgetsSettings || {};
+ l10n = api.Widgets.data.l10n;
+ delete api.Widgets.data.l10n;
+
+ /**
+ * wp.customize.Widgets.WidgetModel
+ *
+ * A single widget model.
+ *
+ * @constructor
+ * @augments Backbone.Model
+ */
+ api.Widgets.WidgetModel = Backbone.Model.extend({
+ 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: 'refresh',
+ params: [],
+ width: null,
+ height: null,
+ search_matched: true
+ });
+
+ /**
+ * wp.customize.Widgets.WidgetCollection
+ *
+ * Collection for widget models.
+ *
+ * @constructor
+ * @augments Backbone.Model
+ */
+ api.Widgets.WidgetCollection = Backbone.Collection.extend({
+ 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, show all themes
+ // Useful for resetting the views when you clean the input
+ 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.
+ *
+ * @constructor
+ * @augments Backbone.Model
+ */
+ api.Widgets.SidebarModel = Backbone.Model.extend({
+ 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.
+ *
+ * @constructor
+ * @augments Backbone.Collection
+ */
+ api.Widgets.SidebarCollection = Backbone.Collection.extend({
+ model: api.Widgets.SidebarModel
+ });
+ api.Widgets.registeredSidebars = new api.Widgets.SidebarCollection( api.Widgets.data.registeredSidebars );
+
+ /**
+ * wp.customize.Widgets.AvailableWidgetsPanelView
+ *
+ * View class for the available widgets panel.
+ *
+ * @constructor
+ * @augments wp.Backbone.View
+ * @augments Backbone.View
+ */
+ api.Widgets.AvailableWidgetsPanelView = wp.Backbone.View.extend({
+
+ el: '#available-widgets',
+
+ events: {
+ 'input #widgets-search': 'search',
+ 'keyup #widgets-search': 'search',
+ 'change #widgets-search': 'search',
+ 'search #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,
+ $search: null,
+
+ initialize: function() {
+ var self = this;
+
+ this.$search = $( '#widgets-search' );
+
+ _.bindAll( this, 'close' );
+
+ this.listenTo( this.collection, 'change', this.updateList );
+
+ this.updateList();
+
+ // 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.
+ $( '#customize-controls' ).on( 'click keydown', function( e ) {
+ var isAddNewBtn = $( e.target ).is( '.add-new-widget, .add-new-widget *' );
+ if ( $( 'body' ).hasClass( 'adding-widget' ) && ! isAddNewBtn ) {
+ self.close();
+ }
+ } );
+
+ // Close the panel if the URL in the preview changes
+ api.Widgets.Previewer.bind( 'url', this.close );
+ },
+
+ // Performs a search and handles selected widget
+ search: function( event ) {
+ var firstVisible;
+
+ this.collection.doSearch( event.target.value );
+
+ // Remove a widget from being selected if it is no longer visible
+ if ( this.selected && ! this.selected.is( ':visible' ) ) {
+ this.selected.removeClass( 'selected' );
+ this.selected = null;
+ }
+
+ // If a widget was selected but the filter value has been cleared out, clear selection
+ if ( this.selected && ! event.target.value ) {
+ this.selected.removeClass( 'selected' );
+ this.selected = null;
+ }
+
+ // If a filter has been entered and a widget hasn't been selected, select the first one shown
+ if ( ! this.selected && event.target.value ) {
+ firstVisible = this.$el.find( '> .widget-tpl:visible:first' );
+ if ( firstVisible.length ) {
+ this.select( firstVisible );
+ }
+ }
+ },
+
+ // 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 ) );
+ },
+
+ // Submit handler 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;
+
+ 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;
+ }
+
+ this.currentSidebarControl.addWidget( widget.get( 'id_base' ) );
+
+ 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();
+ }
+ } );
+
+ $( 'body' ).addClass( 'adding-widget' );
+
+ this.$el.find( '.selected' ).removeClass( 'selected' );
+
+ // Reset search
+ this.collection.doSearch( '' );
+
+ 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( '' );
+ },
+
+ // Add 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 ),
+ selected = null,
+ firstVisible = this.$el.find( '> .widget-tpl:visible:first' ),
+ lastVisible = this.$el.find( '> .widget-tpl:visible:last' ),
+ isSearchFocused = $( event.target ).is( this.$search );
+
+ 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 } );
+ }
+ }
+ });
+
+ /**
+ * 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.
+ */
+ 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 = $( '<div>' + newForm + '</div>' ).find( '.widget-error:first' );
+
+ if ( oldWidgetError.length && newWidgetError.length ) {
+ oldWidgetError.replaceWith( newWidgetError );
+ } else if ( oldWidgetError.length ) {
+ oldWidgetError.remove();
+ } else if ( newWidgetError.length ) {
+ widget.find( '.widget-content:first' ).prepend( newWidgetError );
+ }
+ }
+ };
+
+ /**
+ * wp.customize.Widgets.WidgetControl
+ *
+ * Customizer control for widgets.
+ * Note that 'widget_form' must match the WP_Widget_Form_Customize_Control::$type
+ *
+ * @constructor
+ * @augments wp.customize.Control
+ */
+ api.Widgets.WidgetControl = api.Control.extend({
+ /**
+ * Set up the control
+ */
+ ready: function() {
+ this._setupModel();
+ this._setupWideWidget();
+ this._setupControlToggle();
+ this._setupWidgetTitle();
+ this._setupReorderUI();
+ this._setupHighlightEffects();
+ this._setupUpdateUI();
+ this._setupRemoveUI();
+ },
+
+ /**
+ * Handle changes to the setting
+ */
+ _setupModel: function() {
+ var self = this, rememberSavedWidgetId;
+
+ api.Widgets.savedWidgetIds = api.Widgets.savedWidgetIds || [];
+
+ // 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 ) {
+ 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( '.widget-content: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.toggleForm();
+ } );
+
+ $closeBtn = this.container.find( '.widget-control-close' );
+ $closeBtn.on( 'click', function( e ) {
+ e.preventDefault();
+ self.collapseForm();
+ 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;
+
+ /**
+ * 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 ) );
+ $moveWidgetArea = $(
+ _.template( api.Widgets.data.tpl.moveWidgetArea, {
+ 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;
+
+ selfSidebarItem = $sidebarItems.filter( function(){
+ return $( this ).data( 'id' ) === self.params.sidebar_id;
+ } );
+
+ $sidebarItems.each( function() {
+ var li = $( this ),
+ sidebarId,
+ sidebar;
+
+ sidebarId = li.data( 'id' );
+ sidebar = api.Widgets.registeredSidebars.get( sidebarId );
+
+ li.toggle( sidebar.get( 'is_rendered' ) );
+
+ if ( li.hasClass( 'selected' ) && ! sidebar.get( 'is_rendered' ) ) {
+ selectSidebarItem( selfSidebarItem );
+ }
+ } );
+ };
+
+ 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' ).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();
+ } else {
+ self.moveDown();
+ }
+
+ $( 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( e ) {
+ if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) {
+ return;
+ }
+ e.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' ).addClass( 'button-secondary' );
+ $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 ) {
+ if ( e.type === 'change' ) {
+ self.updateWidget();
+ } else if ( 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.Widgets.Previewer.bind( 'widget-updated', function( updatedWidgetId ) {
+ if ( updatedWidgetId === self.params.widget_id ) {
+ self.container.removeClass( 'previewer-loading' );
+ }
+ } );
+
+ // Update widget control to indicate whether it is currently rendered
+ api.Widgets.Previewer.bind( 'rendered-widgets', function( renderedWidgets ) {
+ var isRendered = !! renderedWidgets[self.params.widget_id];
+
+ self.container.toggleClass( 'widget-rendered', isRendered );
+ } );
+
+ 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 );
+ }
+ } );
+ }
+ },
+
+ /**
+ * Set up event handlers for widget removal
+ */
+ _setupRemoveUI: function() {
+ var self = this, $removeBtn, replaceDeleteWithRemove;
+
+ // Configure remove button
+ $removeBtn = this.container.find( 'a.widget-control-remove' );
+ $removeBtn.on( 'click', function( e ) {
+ e.preventDefault();
+
+ // 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 link 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 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 property that represents the state of an input.
+ *
+ * @param {jQuery|DOMElement} input
+ * @returns {string}
+ * @private
+ */
+ _getInputStatePropertyName: function( input ) {
+ var $input = $( input );
+
+ if ( $input.is( ':radio, :checkbox' ) ) {
+ return 'checked';
+ } else {
+ return 'value';
+ }
+ },
+
+ /***********************************************************************
+ * 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;
+
+ 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.Widgets.data.nonce;
+ params.theme = api.settings.theme.stylesheet;
+
+ 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() {
+ var input = $( this ),
+ property = self._getInputStatePropertyName( this );
+ input.data( 'state' + updateNumber, input.prop( property ) );
+ } );
+
+ if ( instanceOverride ) {
+ data += '&' + $.param( { 'sanitized_widget_setting': JSON.stringify( instanceOverride ) } );
+ } else {
+ data += '&' + $inputs.serialize();
+ }
+ data += '&' + $widgetContent.find( '~ :input' ).serialize();
+
+ jqxhr = $.post( wp.ajax.settings.url, data );
+
+ jqxhr.done( function( r ) {
+ var message, sanitizedForm, $sanitizedInputs, hasSameInputsInResponse,
+ isLiveUpdateAborted = false;
+
+ // Check if the user is logged out.
+ if ( '0' === r ) {
+ api.Widgets.Previewer.preview.iframe.hide();
+ api.Widgets.Previewer.login().done( function() {
+ self.updateWidget( args );
+ api.Widgets.Previewer.preview.iframe.show();
+ } );
+ return;
+ }
+
+ // Check for cheaters.
+ if ( '-1' === r ) {
+ api.Widgets.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] ),
+ property = self._getInputStatePropertyName( this ),
+ submittedState, sanitizedState, canUpdateState;
+
+ submittedState = $input.data( 'state' + updateNumber );
+ sanitizedState = $sanitizedInput.prop( property );
+ $input.data( 'sanitized', sanitizedState );
+
+ canUpdateState = ( submittedState !== sanitizedState && ( args.ignoreActiveElement || ! $input.is( document.activeElement ) ) );
+ if ( canUpdateState ) {
+ $input.prop( property, 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() {
+ var $section = this.container.closest( '.accordion-section' );
+
+ if ( ! $section.hasClass( 'open' ) ) {
+ $section.find( '.accordion-section-title:first' ).trigger( 'click' );
+ }
+ },
+
+ /**
+ * Expand the widget form control
+ */
+ expandForm: function() {
+ this.toggleForm( true );
+ },
+
+ /**
+ * Collapse the widget form control
+ */
+ collapseForm: function() {
+ this.toggleForm( false );
+ },
+
+ /**
+ * Expand or collapse the widget control
+ *
+ * @param {boolean|undefined} [showOrHide] If not supplied, will be inverse of current visibility
+ */
+ toggleForm: function( showOrHide ) {
+ var self = this, $widget, $inside, complete;
+
+ $widget = this.container.find( 'div.widget:first' );
+ $inside = $widget.find( '.widget-inside:first' );
+ if ( typeof showOrHide === 'undefined' ) {
+ showOrHide = ! $inside.is( ':visible' );
+ }
+
+ // Already expanded or collapsed, so noop
+ if ( $inside.is( ':visible' ) === showOrHide ) {
+ return;
+ }
+
+ if ( showOrHide ) {
+ // Close all other widget controls before expanding this one
+ api.control.each( function( otherControl ) {
+ if ( self.params.type === otherControl.params.type && self !== otherControl ) {
+ otherControl.collapseForm();
+ }
+ } );
+
+ complete = function() {
+ self.container.removeClass( 'expanding' );
+ self.container.addClass( 'expanded' );
+ self.container.trigger( 'expanded' );
+ };
+
+ if ( self.params.is_wide ) {
+ $inside.fadeIn( 'fast', complete );
+ } else {
+ $inside.slideDown( 'fast', complete );
+ }
+
+ self.container.trigger( 'expand' );
+ self.container.addClass( 'expanding' );
+ } else {
+ complete = function() {
+ self.container.removeClass( 'collapsing' );
+ self.container.removeClass( 'expanded' );
+ self.container.trigger( 'collapsed' );
+ };
+
+ self.container.trigger( 'collapse' );
+ self.container.addClass( 'collapsing' );
+
+ if ( self.params.is_wide ) {
+ $inside.fadeOut( 'fast', complete );
+ } else {
+ $inside.slideUp( 'fast', function() {
+ $widget.css( { width:'', margin:'' } );
+ complete();
+ } );
+ }
+ }
+ },
+
+ /**
+ * Expand the containing sidebar section, expand the form, and focus on
+ * the first input in the control
+ */
+ focus: function() {
+ this.expandControlSection();
+ this.expandForm();
+ this.container.find( '.widget-content :focusable:first' ).focus();
+ },
+
+ /**
+ * 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() {
+ $target.removeClass( 'highlighted' );
+ }, 500 );
+ }
+ } );
+
+ /**
+ * wp.customize.Widgets.SidebarControl
+ *
+ * Customizer control for widgets.
+ * Note that 'sidebar_widgets' must match the WP_Widget_Area_Customize_Control::$type
+ *
+ * @constructor
+ * @augments wp.customize.Control
+ */
+ api.Widgets.SidebarControl = api.Control.extend({
+ /**
+ * 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,
+ registeredSidebar = api.Widgets.registeredSidebars.get( this.params.sidebar_id );
+
+ this.setting.bind( function( newWidgetIds, oldWidgetIds ) {
+ var widgetFormControls, $sidebarWidgetsAddControl, finalControlContainers, removedWidgetIds;
+
+ 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 );
+
+ if ( aIndex === bIndex ) {
+ return 0;
+ }
+
+ return aIndex < bIndex ? -1 : 1;
+ } );
+
+ // Append the controls to put them in the right order
+ finalControlContainers = _( widgetFormControls ).map( function( widgetFormControls ) {
+ return widgetFormControls.container[0];
+ } );
+
+ $sidebarWidgetsAddControl = self.$sectionContent.find( '.customize-control-sidebar_widgets' );
+ $sidebarWidgetsAddControl.before( finalControlContainers );
+
+ // 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 );
+ }
+ } );
+
+ } );
+ } );
+
+ // Update the model with whether or not the sidebar is rendered
+ api.Widgets.Previewer.bind( 'rendered-sidebars', function( renderedSidebars ) {
+ var isRendered = !! renderedSidebars[self.params.sidebar_id];
+
+ registeredSidebar.set( 'is_rendered', isRendered );
+ } );
+
+ // Show the sidebar section when it becomes visible
+ registeredSidebar.on( 'change:is_rendered', function( ) {
+ var sectionSelector = '#accordion-section-sidebar-widgets-' + this.get( 'id' ), $section;
+
+ $section = $( sectionSelector );
+ if ( this.get( 'is_rendered' ) ) {
+ $section.stop().slideDown( function() {
+ $( this ).css( 'height', 'auto' ); // so that the .accordion-section-content won't overflow
+ } );
+
+ } else {
+ // Make sure that hidden sections get closed first
+ if ( $section.hasClass( 'open' ) ) {
+ // it would be nice if accordionSwitch() in accordion.js was public
+ $section.find( '.accordion-section-title' ).trigger( 'click' );
+ }
+
+ $section.stop().slideUp();
+ }
+ } );
+ },
+
+ /**
+ * Allow widgets in sidebar to be re-ordered, and for the order to be previewed
+ */
+ _setupSortable: function() {
+ var self = this;
+
+ this.isReordering = false;
+
+ /**
+ * Update widget order setting when controls are re-ordered
+ */
+ this.$sectionContent.sortable( {
+ items: '> .customize-control-widget_form',
+ handle: '.widget-top',
+ axis: 'y',
+ 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() {
+ if ( ! self.$controlSection.hasClass( 'open' ) ) {
+ self.$controlSection.addClass( 'open' );
+ self.$sectionContent.toggle( false ).slideToggle( 150, function() {
+ self.$sectionContent.sortable( 'refreshPositions' );
+ } );
+ }
+ }
+ });
+
+ /**
+ * Keyboard-accessible reordering
+ */
+ this.container.find( '.reorder-toggle' ).on( 'click keydown', function( event ) {
+ if ( event.type === 'keydown' && ! ( event.which === 13 || event.which === 32 ) ) { // Enter or Spacebar
+ return;
+ }
+
+ 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 keydown', function( event ) {
+ if ( event.type === 'keydown' && ! ( event.which === 13 || event.which === 32 ) ) { // Enter or Spacebar
+ return;
+ }
+
+ if ( self.$sectionContent.hasClass( 'reordering' ) ) {
+ return;
+ }
+
+ if ( ! $( 'body' ).hasClass( 'adding-widget' ) ) {
+ api.Widgets.availableWidgetsPanel.open( self );
+ } else {
+ api.Widgets.availableWidgetsPanel.close();
+ }
+ } );
+ },
+
+ /**
+ * Add classes to the widget_form controls to assist with styling
+ */
+ _applyCardinalOrderClassNames: function() {
+ this.$sectionContent.find( '.customize-control-widget_form' )
+ .removeClass( 'first-widget' )
+ .removeClass( 'last-widget' )
+ .find( '.move-widget-down, .move-widget-up' ).prop( 'tabIndex', 0 );
+
+ this.$sectionContent.find( '.customize-control-widget_form:first' )
+ .addClass( 'first-widget' )
+ .find( '.move-widget-up' ).prop( 'tabIndex', -1 );
+
+ this.$sectionContent.find( '.customize-control-widget_form:last' )
+ .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
+ */
+ toggleReordering: function( showOrHide ) {
+ 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.collapseForm();
+ } );
+ }
+ },
+
+ /**
+ * @return {wp.customize.controlConstructor.widget_form[]}
+ */
+ getWidgetFormControls: function() {
+ var formControls;
+
+ formControls = _( this.setting() ).map( function( widgetId ) {
+ var settingId = widgetIdToSettingId( widgetId ),
+ formControl = api.control( settingId );
+
+ if ( ! formControl ) {
+ return;
+ }
+
+ return 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', $control, controlConstructor,
+ parsedWidgetId = parseWidgetId( widgetId ),
+ widgetNumber = parsedWidgetId.number,
+ widgetIdBase = parsedWidgetId.id_base,
+ widget = api.Widgets.availableWidgets.findWhere( {id_base: widgetIdBase} ),
+ settingId, isExistingWidget, widgetFormControl, sidebarWidgets, settingArgs;
+
+ 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 );
+
+ $control = $( '<li/>' )
+ .addClass( 'customize-control' )
+ .addClass( 'customize-control-' + controlType )
+ .append( $widget );
+
+ // Remove icon which is visible inside the panel
+ $control.find( '> .widget-icon' ).remove();
+
+ if ( widget.get( 'is_multi' ) ) {
+ $control.find( 'input[name="widget_number"]' ).val( widgetNumber );
+ $control.find( 'input[name="multi_number"]' ).val( widgetNumber );
+ }
+
+ widgetId = $control.find( '[name="widget-id"]' ).val();
+
+ $control.hide(); // to be slid-down below
+
+ settingId = 'widget_' + widget.get( 'id_base' );
+ if ( widget.get( 'is_multi' ) ) {
+ settingId += '[' + widgetNumber + ']';
+ }
+ $control.attr( 'id', 'customize-control-' + settingId.replace( /\]/g, '' ).replace( /\[/g, '-' ) );
+
+ this.container.after( $control );
+
+ // 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: 'refresh',
+ previewer: this.setting.previewer
+ };
+ api.create( settingId, settingId, {}, settingArgs );
+ }
+
+ controlConstructor = api.controlConstructor[controlType];
+ widgetFormControl = new controlConstructor( settingId, {
+ params: {
+ settings: {
+ 'default': settingId
+ },
+ 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' )
+ },
+ previewer: self.setting.previewer
+ } );
+ api.control.add( settingId, 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 );
+ }
+
+ $control.slideDown( function() {
+ if ( isExistingWidget ) {
+ widgetFormControl.expandForm();
+ widgetFormControl.updateWidget( {
+ instance: widgetFormControl.setting(),
+ complete: function( error ) {
+ if ( error ) {
+ throw error;
+ }
+ widgetFormControl.focus();
+ }
+ } );
+ } else {
+ widgetFormControl.focus();
+ }
+ } );
+
+ $( document ).trigger( 'widget-added', [ $widget ] );
+
+ return widgetFormControl;
+ }
+ } );
+
+ /**
+ * Extends wp.customizer.controlConstructor with control constructor for
+ * widget_form and sidebar_widgets.
+ */
+ $.extend( api.controlConstructor, {
+ widget_form: api.Widgets.WidgetControl,
+ sidebar_widgets: api.Widgets.SidebarControl
+ });
+
+ /**
+ * Capture the instance of the Previewer since it is private
+ */
+ OldPreviewer = api.Previewer;
+ api.Previewer = OldPreviewer.extend({
+ initialize: function( params, options ) {
+ api.Widgets.Previewer = this;
+ OldPreviewer.prototype.initialize.call( this, params, options );
+ this.bind( 'refresh', this.refresh );
+ }
+ } );
+
+ /**
+ * 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.Widgets.Previewer.bind( 'highlight-widget-control', api.Widgets.highlightWidgetFormControl );
+
+ // Open and focus widget control
+ api.Widgets.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;
+ };
+
+ /**
+ * @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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