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Edit File: customize-widgets.js
/** * @output wp-admin/js/customize-widgets.js */ /* global _wpCustomizeWidgetsSettings */ (function( wp, $ ){ if ( ! wp || ! wp.customize ) { return; } // Set up our namespace... var api = wp.customize, l10n; /** * @namespace wp.customize.Widgets */ api.Widgets = api.Widgets || {}; api.Widgets.savedWidgetIds = {}; // Link settings. api.Widgets.data = _wpCustomizeWidgetsSettings || {}; l10n = api.Widgets.data.l10n; /** * wp.customize.Widgets.WidgetModel * * A single widget model. * * @class wp.customize.Widgets.WidgetModel * @augments Backbone.Model */ api.Widgets.WidgetModel = Backbone.Model.extend(/** @lends wp.customize.Widgets.WidgetModel.prototype */{ id: null, temp_id: null, classname: null, control_tpl: null, description: null, is_disabled: null, is_multi: null, multi_number: null, name: null, id_base: null, transport: null, params: [], width: null, height: null, search_matched: true }); /** * wp.customize.Widgets.WidgetCollection * * Collection for widget models. * * @class wp.customize.Widgets.WidgetCollection * @augments Backbone.Collection */ api.Widgets.WidgetCollection = Backbone.Collection.extend(/** @lends wp.customize.Widgets.WidgetCollection.prototype */{ model: api.Widgets.WidgetModel, // Controls searching on the current widget collection // and triggers an update event. doSearch: function( value ) { // Don't do anything if we've already done this search. // Useful because the search handler fires multiple times per keystroke. if ( this.terms === value ) { return; } // Updates terms with the value passed. this.terms = value; // If we have terms, run a search... if ( this.terms.length > 0 ) { this.search( this.terms ); } // If search is blank, set all the widgets as they matched the search to reset the views. if ( this.terms === '' ) { this.each( function ( widget ) { widget.set( 'search_matched', true ); } ); } }, // Performs a search within the collection. // @uses RegExp search: function( term ) { var match, haystack; // Escape the term string for RegExp meta characters. term = term.replace( /[-\/\\^$*+?.()|[\]{}]/g, '\\$&' ); // Consider spaces as word delimiters and match the whole string // so matching terms can be combined. term = term.replace( / /g, ')(?=.*' ); match = new RegExp( '^(?=.*' + term + ').+', 'i' ); this.each( function ( data ) { haystack = [ data.get( 'name' ), data.get( 'description' ) ].join( ' ' ); data.set( 'search_matched', match.test( haystack ) ); } ); } }); api.Widgets.availableWidgets = new api.Widgets.WidgetCollection( api.Widgets.data.availableWidgets ); /** * wp.customize.Widgets.SidebarModel * * A single sidebar model. * * @class wp.customize.Widgets.SidebarModel * @augments Backbone.Model */ api.Widgets.SidebarModel = Backbone.Model.extend(/** @lends wp.customize.Widgets.SidebarModel.prototype */{ after_title: null, after_widget: null, before_title: null, before_widget: null, 'class': null, description: null, id: null, name: null, is_rendered: false }); /** * wp.customize.Widgets.SidebarCollection * * Collection for sidebar models. * * @class wp.customize.Widgets.SidebarCollection * @augments Backbone.Collection */ api.Widgets.SidebarCollection = Backbone.Collection.extend(/** @lends wp.customize.Widgets.SidebarCollection.prototype */{ model: api.Widgets.SidebarModel }); api.Widgets.registeredSidebars = new api.Widgets.SidebarCollection( api.Widgets.data.registeredSidebars ); api.Widgets.AvailableWidgetsPanelView = wp.Backbone.View.extend(/** @lends wp.customize.Widgets.AvailableWidgetsPanelView.prototype */{ el: '#available-widgets', events: { 'input #widgets-search': 'search', 'focus .widget-tpl' : 'focus', 'click .widget-tpl' : '_submit', 'keypress .widget-tpl' : '_submit', 'keydown' : 'keyboardAccessible' }, // Cache current selected widget. selected: null, // Cache sidebar control which has opened panel. currentSidebarControl: null, $search: null, $clearResults: null, searchMatchesCount: null, /** * View class for the available widgets panel. * * @constructs wp.customize.Widgets.AvailableWidgetsPanelView * @augments wp.Backbone.View */ initialize: function() { var self = this; this.$search = $( '#widgets-search' ); this.$clearResults = this.$el.find( '.clear-results' ); _.bindAll( this, 'close' ); this.listenTo( this.collection, 'change', this.updateList ); this.updateList(); // Set the initial search count to the number of available widgets. this.searchMatchesCount = this.collection.length; /* * If the available widgets panel is open and the customize controls * are interacted with (i.e. available widgets panel is blurred) then * close the available widgets panel. Also close on back button click. */ $( '#customize-controls, #available-widgets .customize-section-title' ).on( 'click keydown', function( e ) { var isAddNewBtn = $( e.target ).is( '.add-new-widget, .add-new-widget *' ); if ( $( 'body' ).hasClass( 'adding-widget' ) && ! isAddNewBtn ) { self.close(); } } ); // Clear the search results and trigger an `input` event to fire a new search. this.$clearResults.on( 'click', function() { self.$search.val( '' ).trigger( 'focus' ).trigger( 'input' ); } ); // Close the panel if the URL in the preview changes. api.previewer.bind( 'url', this.close ); }, /** * Performs a search and handles selected widget. */ search: _.debounce( function( event ) { var firstVisible; this.collection.doSearch( event.target.value ); // Update the search matches count. this.updateSearchMatchesCount(); // Announce how many search results. this.announceSearchMatches(); // Remove a widget from being selected if it is no longer visible. if ( this.selected && ! this.selected.is( ':visible' ) ) { this.selected.removeClass( 'selected' ); this.selected = null; } // If a widget was selected but the filter value has been cleared out, clear selection. if ( this.selected && ! event.target.value ) { this.selected.removeClass( 'selected' ); this.selected = null; } // If a filter has been entered and a widget hasn't been selected, select the first one shown. if ( ! this.selected && event.target.value ) { firstVisible = this.$el.find( '> .widget-tpl:visible:first' ); if ( firstVisible.length ) { this.select( firstVisible ); } } // Toggle the clear search results button. if ( '' !== event.target.value ) { this.$clearResults.addClass( 'is-visible' ); } else if ( '' === event.target.value ) { this.$clearResults.removeClass( 'is-visible' ); } // Set a CSS class on the search container when there are no search results. if ( ! this.searchMatchesCount ) { this.$el.addClass( 'no-widgets-found' ); } else { this.$el.removeClass( 'no-widgets-found' ); } }, 500 ), /** * Updates the count of the available widgets that have the `search_matched` attribute. */ updateSearchMatchesCount: function() { this.searchMatchesCount = this.collection.where({ search_matched: true }).length; }, /** * Sends a message to the aria-live region to announce how many search results. */ announceSearchMatches: function() { var message = l10n.widgetsFound.replace( '%d', this.searchMatchesCount ) ; if ( ! this.searchMatchesCount ) { message = l10n.noWidgetsFound; } wp.a11y.speak( message ); }, /** * Changes visibility of available widgets. */ updateList: function() { this.collection.each( function( widget ) { var widgetTpl = $( '#widget-tpl-' + widget.id ); widgetTpl.toggle( widget.get( 'search_matched' ) && ! widget.get( 'is_disabled' ) ); if ( widget.get( 'is_disabled' ) && widgetTpl.is( this.selected ) ) { this.selected = null; } } ); }, /** * Highlights a widget. */ select: function( widgetTpl ) { this.selected = $( widgetTpl ); this.selected.siblings( '.widget-tpl' ).removeClass( 'selected' ); this.selected.addClass( 'selected' ); }, /** * Highlights a widget on focus. */ focus: function( event ) { this.select( $( event.currentTarget ) ); }, /** * Handles submit for keypress and click on widget. */ _submit: function( event ) { // Only proceed with keypress if it is Enter or Spacebar. if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) { return; } this.submit( $( event.currentTarget ) ); }, /** * Adds a selected widget to the sidebar. */ submit: function( widgetTpl ) { var widgetId, widget, widgetFormControl; if ( ! widgetTpl ) { widgetTpl = this.selected; } if ( ! widgetTpl || ! this.currentSidebarControl ) { return; } this.select( widgetTpl ); widgetId = $( this.selected ).data( 'widget-id' ); widget = this.collection.findWhere( { id: widgetId } ); if ( ! widget ) { return; } widgetFormControl = this.currentSidebarControl.addWidget( widget.get( 'id_base' ) ); if ( widgetFormControl ) { widgetFormControl.focus(); } this.close(); }, /** * Opens the panel. */ open: function( sidebarControl ) { this.currentSidebarControl = sidebarControl; // Wide widget controls appear over the preview, and so they need to be collapsed when the panel opens. _( this.currentSidebarControl.getWidgetFormControls() ).each( function( control ) { if ( control.params.is_wide ) { control.collapseForm(); } } ); if ( api.section.has( 'publish_settings' ) ) { api.section( 'publish_settings' ).collapse(); } $( 'body' ).addClass( 'adding-widget' ); this.$el.find( '.selected' ).removeClass( 'selected' ); // Reset search. this.collection.doSearch( '' ); if ( ! api.settings.browser.mobile ) { this.$search.trigger( 'focus' ); } }, /** * Closes the panel. */ close: function( options ) { options = options || {}; if ( options.returnFocus && this.currentSidebarControl ) { this.currentSidebarControl.container.find( '.add-new-widget' ).focus(); } this.currentSidebarControl = null; this.selected = null; $( 'body' ).removeClass( 'adding-widget' ); this.$search.val( '' ).trigger( 'input' ); }, /** * Adds keyboard accessibility to the panel. */ keyboardAccessible: function( event ) { var isEnter = ( event.which === 13 ), isEsc = ( event.which === 27 ), isDown = ( event.which === 40 ), isUp = ( event.which === 38 ), isTab = ( event.which === 9 ), isShift = ( event.shiftKey ), selected = null, firstVisible = this.$el.find( '> .widget-tpl:visible:first' ), lastVisible = this.$el.find( '> .widget-tpl:visible:last' ), isSearchFocused = $( event.target ).is( this.$search ), isLastWidgetFocused = $( event.target ).is( '.widget-tpl:visible:last' ); if ( isDown || isUp ) { if ( isDown ) { if ( isSearchFocused ) { selected = firstVisible; } else if ( this.selected && this.selected.nextAll( '.widget-tpl:visible' ).length !== 0 ) { selected = this.selected.nextAll( '.widget-tpl:visible:first' ); } } else if ( isUp ) { if ( isSearchFocused ) { selected = lastVisible; } else if ( this.selected && this.selected.prevAll( '.widget-tpl:visible' ).length !== 0 ) { selected = this.selected.prevAll( '.widget-tpl:visible:first' ); } } this.select( selected ); if ( selected ) { selected.trigger( 'focus' ); } else { this.$search.trigger( 'focus' ); } return; } // If enter pressed but nothing entered, don't do anything. if ( isEnter && ! this.$search.val() ) { return; } if ( isEnter ) { this.submit(); } else if ( isEsc ) { this.close( { returnFocus: true } ); } if ( this.currentSidebarControl && isTab && ( isShift && isSearchFocused || ! isShift && isLastWidgetFocused ) ) { this.currentSidebarControl.container.find( '.add-new-widget' ).focus(); event.preventDefault(); } } }); /** * Handlers for the widget-synced event, organized by widget ID base. * Other widgets may provide their own update handlers by adding * listeners for the widget-synced event. * * @alias wp.customize.Widgets.formSyncHandlers */ api.Widgets.formSyncHandlers = { /** * @param {jQuery.Event} e * @param {jQuery} widget * @param {string} newForm */ rss: function( e, widget, newForm ) { var oldWidgetError = widget.find( '.widget-error:first' ), newWidgetError = $( '<div>' + newForm + '</div>' ).find( '.widget-error:first' ); if ( oldWidgetError.length && newWidgetError.length ) { oldWidgetError.replaceWith( newWidgetError ); } else if ( oldWidgetError.length ) { oldWidgetError.remove(); } else if ( newWidgetError.length ) { widget.find( '.widget-content:first' ).prepend( newWidgetError ); } } }; api.Widgets.WidgetControl = api.Control.extend(/** @lends wp.customize.Widgets.WidgetControl.prototype */{ defaultExpandedArguments: { duration: 'fast', completeCallback: $.noop }, /** * wp.customize.Widgets.WidgetControl * * Customizer control for widgets. * Note that 'widget_form' must match the WP_Widget_Form_Customize_Control::$type * * @since 4.1.0 * * @constructs wp.customize.Widgets.WidgetControl * @augments wp.customize.Control */ initialize: function( id, options ) { var control = this; control.widgetControlEmbedded = false; control.widgetContentEmbedded = false; control.expanded = new api.Value( false ); control.expandedArgumentsQueue = []; control.expanded.bind( function( expanded ) { var args = control.expandedArgumentsQueue.shift(); args = $.extend( {}, control.defaultExpandedArguments, args ); control.onChangeExpanded( expanded, args ); }); control.altNotice = true; api.Control.prototype.initialize.call( control, id, options ); }, /** * Set up the control. * * @since 3.9.0 */ ready: function() { var control = this; /* * Embed a placeholder once the section is expanded. The full widget * form content will be embedded once the control itself is expanded, * and at this point the widget-added event will be triggered. */ if ( ! control.section() ) { control.embedWidgetControl(); } else { api.section( control.section(), function( section ) { var onExpanded = function( isExpanded ) { if ( isExpanded ) { control.embedWidgetControl(); section.expanded.unbind( onExpanded ); } }; if ( section.expanded() ) { onExpanded( true ); } else { section.expanded.bind( onExpanded ); } } ); } }, /** * Embed the .widget element inside the li container. * * @since 4.4.0 */ embedWidgetControl: function() { var control = this, widgetControl; if ( control.widgetControlEmbedded ) { return; } control.widgetControlEmbedded = true; widgetControl = $( control.params.widget_control ); control.container.append( widgetControl ); control._setupModel(); control._setupWideWidget(); control._setupControlToggle(); control._setupWidgetTitle(); control._setupReorderUI(); control._setupHighlightEffects(); control._setupUpdateUI(); control._setupRemoveUI(); }, /** * Embed the actual widget form inside of .widget-content and finally trigger the widget-added event. * * @since 4.4.0 */ embedWidgetContent: function() { var control = this, widgetContent; control.embedWidgetControl(); if ( control.widgetContentEmbedded ) { return; } control.widgetContentEmbedded = true; // Update the notification container element now that the widget content has been embedded. control.notifications.container = control.getNotificationsContainerElement(); control.notifications.render(); widgetContent = $( control.params.widget_content ); control.container.find( '.widget-content:first' ).append( widgetContent ); /* * Trigger widget-added event so that plugins can attach any event * listeners and dynamic UI elements. */ $( document ).trigger( 'widget-added', [ control.container.find( '.widget:first' ) ] ); }, /** * Handle changes to the setting */ _setupModel: function() { var self = this, rememberSavedWidgetId; // Remember saved widgets so we know which to trash (move to inactive widgets sidebar). rememberSavedWidgetId = function() { api.Widgets.savedWidgetIds[self.params.widget_id] = true; }; api.bind( 'ready', rememberSavedWidgetId ); api.bind( 'saved', rememberSavedWidgetId ); this._updateCount = 0; this.isWidgetUpdating = false; this.liveUpdateMode = true; // Update widget whenever model changes. this.setting.bind( function( to, from ) { if ( ! _( from ).isEqual( to ) && ! self.isWidgetUpdating ) { self.updateWidget( { instance: to } ); } } ); }, /** * Add special behaviors for wide widget controls */ _setupWideWidget: function() { var self = this, $widgetInside, $widgetForm, $customizeSidebar, $themeControlsContainer, positionWidget; if ( ! this.params.is_wide || $( window ).width() <= 640 /* max-width breakpoint in customize-controls.css */ ) { return; } $widgetInside = this.container.find( '.widget-inside' ); $widgetForm = $widgetInside.find( '> .form' ); $customizeSidebar = $( '.wp-full-overlay-sidebar-content:first' ); this.container.addClass( 'wide-widget-control' ); this.container.find( '.form:first' ).css( { 'max-width': this.params.width, 'min-height': this.params.height } ); /** * Keep the widget-inside positioned so the top of fixed-positioned * element is at the same top position as the widget-top. When the * widget-top is scrolled out of view, keep the widget-top in view; * likewise, don't allow the widget to drop off the bottom of the window. * If a widget is too tall to fit in the window, don't let the height * exceed the window height so that the contents of the widget control * will become scrollable (overflow:auto). */ positionWidget = function() { var offsetTop = self.container.offset().top, windowHeight = $( window ).height(), formHeight = $widgetForm.outerHeight(), top; $widgetInside.css( 'max-height', windowHeight ); top = Math.max( 0, // Prevent top from going off screen. Math.min( Math.max( offsetTop, 0 ), // Distance widget in panel is from top of screen. windowHeight - formHeight // Flush up against bottom of screen. ) ); $widgetInside.css( 'top', top ); }; $themeControlsContainer = $( '#customize-theme-controls' ); this.container.on( 'expand', function() { positionWidget(); $customizeSidebar.on( 'scroll', positionWidget ); $( window ).on( 'resize', positionWidget ); $themeControlsContainer.on( 'expanded collapsed', positionWidget ); } ); this.container.on( 'collapsed', function() { $customizeSidebar.off( 'scroll', positionWidget ); $( window ).off( 'resize', positionWidget ); $themeControlsContainer.off( 'expanded collapsed', positionWidget ); } ); // Reposition whenever a sidebar's widgets are changed. api.each( function( setting ) { if ( 0 === setting.id.indexOf( 'sidebars_widgets[' ) ) { setting.bind( function() { if ( self.container.hasClass( 'expanded' ) ) { positionWidget(); } } ); } } ); }, /** * Show/hide the control when clicking on the form title, when clicking * the close button */ _setupControlToggle: function() { var self = this, $closeBtn; this.container.find( '.widget-top' ).on( 'click', function( e ) { e.preventDefault(); var sidebarWidgetsControl = self.getSidebarWidgetsControl(); if ( sidebarWidgetsControl.isReordering ) { return; } self.expanded( ! self.expanded() ); } ); $closeBtn = this.container.find( '.widget-control-close' ); $closeBtn.on( 'click', function() { self.collapse(); self.container.find( '.widget-top .widget-action:first' ).focus(); // Keyboard accessibility. } ); }, /** * Update the title of the form if a title field is entered */ _setupWidgetTitle: function() { var self = this, updateTitle; updateTitle = function() { var title = self.setting().title, inWidgetTitle = self.container.find( '.in-widget-title' ); if ( title ) { inWidgetTitle.text( ': ' + title ); } else { inWidgetTitle.text( '' ); } }; this.setting.bind( updateTitle ); updateTitle(); }, /** * Set up the widget-reorder-nav */ _setupReorderUI: function() { var self = this, selectSidebarItem, $moveWidgetArea, $reorderNav, updateAvailableSidebars, template; /** * select the provided sidebar list item in the move widget area * * @param {jQuery} li */ selectSidebarItem = function( li ) { li.siblings( '.selected' ).removeClass( 'selected' ); li.addClass( 'selected' ); var isSelfSidebar = ( li.data( 'id' ) === self.params.sidebar_id ); self.container.find( '.move-widget-btn' ).prop( 'disabled', isSelfSidebar ); }; /** * Add the widget reordering elements to the widget control */ this.container.find( '.widget-title-action' ).after( $( api.Widgets.data.tpl.widgetReorderNav ) ); template = _.template( api.Widgets.data.tpl.moveWidgetArea ); $moveWidgetArea = $( template( { sidebars: _( api.Widgets.registeredSidebars.toArray() ).pluck( 'attributes' ) } ) ); this.container.find( '.widget-top' ).after( $moveWidgetArea ); /** * Update available sidebars when their rendered state changes */ updateAvailableSidebars = function() { var $sidebarItems = $moveWidgetArea.find( 'li' ), selfSidebarItem, renderedSidebarCount = 0; selfSidebarItem = $sidebarItems.filter( function(){ return $( this ).data( 'id' ) === self.params.sidebar_id; } ); $sidebarItems.each( function() { var li = $( this ), sidebarId, sidebar, sidebarIsRendered; sidebarId = li.data( 'id' ); sidebar = api.Widgets.registeredSidebars.get( sidebarId ); sidebarIsRendered = sidebar.get( 'is_rendered' ); li.toggle( sidebarIsRendered ); if ( sidebarIsRendered ) { renderedSidebarCount += 1; } if ( li.hasClass( 'selected' ) && ! sidebarIsRendered ) { selectSidebarItem( selfSidebarItem ); } } ); if ( renderedSidebarCount > 1 ) { self.container.find( '.move-widget' ).show(); } else { self.container.find( '.move-widget' ).hide(); } }; updateAvailableSidebars(); api.Widgets.registeredSidebars.on( 'change:is_rendered', updateAvailableSidebars ); /** * Handle clicks for up/down/move on the reorder nav */ $reorderNav = this.container.find( '.widget-reorder-nav' ); $reorderNav.find( '.move-widget, .move-widget-down, .move-widget-up' ).each( function() { $( this ).prepend( self.container.find( '.widget-title' ).text() + ': ' ); } ).on( 'click keypress', function( event ) { if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) { return; } $( this ).trigger( 'focus' ); if ( $( this ).is( '.move-widget' ) ) { self.toggleWidgetMoveArea(); } else { var isMoveDown = $( this ).is( '.move-widget-down' ), isMoveUp = $( this ).is( '.move-widget-up' ), i = self.getWidgetSidebarPosition(); if ( ( isMoveUp && i === 0 ) || ( isMoveDown && i === self.getSidebarWidgetsControl().setting().length - 1 ) ) { return; } if ( isMoveUp ) { self.moveUp(); wp.a11y.speak( l10n.widgetMovedUp ); } else { self.moveDown(); wp.a11y.speak( l10n.widgetMovedDown ); } $( this ).trigger( 'focus' ); // Re-focus after the container was moved. } } ); /** * Handle selecting a sidebar to move to */ this.container.find( '.widget-area-select' ).on( 'click keypress', 'li', function( event ) { if ( event.type === 'keypress' && ( event.which !== 13 && event.which !== 32 ) ) { return; } event.preventDefault(); selectSidebarItem( $( this ) ); } ); /** * Move widget to another sidebar */ this.container.find( '.move-widget-btn' ).click( function() { self.getSidebarWidgetsControl().toggleReordering( false ); var oldSidebarId = self.params.sidebar_id, newSidebarId = self.container.find( '.widget-area-select li.selected' ).data( 'id' ), oldSidebarWidgetsSetting, newSidebarWidgetsSetting, oldSidebarWidgetIds, newSidebarWidgetIds, i; oldSidebarWidgetsSetting = api( 'sidebars_widgets[' + oldSidebarId + ']' ); newSidebarWidgetsSetting = api( 'sidebars_widgets[' + newSidebarId + ']' ); oldSidebarWidgetIds = Array.prototype.slice.call( oldSidebarWidgetsSetting() ); newSidebarWidgetIds = Array.prototype.slice.call( newSidebarWidgetsSetting() ); i = self.getWidgetSidebarPosition(); oldSidebarWidgetIds.splice( i, 1 ); newSidebarWidgetIds.push( self.params.widget_id ); oldSidebarWidgetsSetting( oldSidebarWidgetIds ); newSidebarWidgetsSetting( newSidebarWidgetIds ); self.focus(); } ); }, /** * Highlight widgets in preview when interacted with in the Customizer */ _setupHighlightEffects: function() { var self = this; // Highlight whenever hovering or clicking over the form. this.container.on( 'mouseenter click', function() { self.setting.previewer.send( 'highlight-widget', self.params.widget_id ); } ); // Highlight when the setting is updated. this.setting.bind( function() { self.setting.previewer.send( 'highlight-widget', self.params.widget_id ); } ); }, /** * Set up event handlers for widget updating */ _setupUpdateUI: function() { var self = this, $widgetRoot, $widgetContent, $saveBtn, updateWidgetDebounced, formSyncHandler; $widgetRoot = this.container.find( '.widget:first' ); $widgetContent = $widgetRoot.find( '.widget-content:first' ); // Configure update button. $saveBtn = this.container.find( '.widget-control-save' ); $saveBtn.val( l10n.saveBtnLabel ); $saveBtn.attr( 'title', l10n.saveBtnTooltip ); $saveBtn.removeClass( 'button-primary' ); $saveBtn.on( 'click', function( e ) { e.preventDefault(); self.updateWidget( { disable_form: true } ); // @todo disable_form is unused? } ); updateWidgetDebounced = _.debounce( function() { self.updateWidget(); }, 250 ); // Trigger widget form update when hitting Enter within an input. $widgetContent.on( 'keydown', 'input', function( e ) { if ( 13 === e.which ) { // Enter. e.preventDefault(); self.updateWidget( { ignoreActiveElement: true } ); } } ); // Handle widgets that support live previews. $widgetContent.on( 'change input propertychange', ':input', function( e ) { if ( ! self.liveUpdateMode ) { return; } if ( e.type === 'change' || ( this.checkValidity && this.checkValidity() ) ) { updateWidgetDebounced(); } } ); // Remove loading indicators when the setting is saved and the preview updates. this.setting.previewer.channel.bind( 'synced', function() { self.container.removeClass( 'previewer-loading' ); } ); api.previewer.bind( 'widget-updated', function( updatedWidgetId ) { if ( updatedWidgetId === self.params.widget_id ) { self.container.removeClass( 'previewer-loading' ); } } ); formSyncHandler = api.Widgets.formSyncHandlers[ this.params.widget_id_base ]; if ( formSyncHandler ) { $( document ).on( 'widget-synced', function( e, widget ) { if ( $widgetRoot.is( widget ) ) { formSyncHandler.apply( document, arguments ); } } ); } }, /** * Update widget control to indicate whether it is currently rendered. * * Overrides api.Control.toggle() * * @since 4.1.0 * * @param {boolean} active * @param {Object} args * @param {function} args.completeCallback */ onChangeActive: function ( active, args ) { // Note: there is a second 'args' parameter being passed, merged on top of this.defaultActiveArguments. this.container.toggleClass( 'widget-rendered', active ); if ( args.completeCallback ) { args.completeCallback(); } }, /** * Set up event handlers for widget removal */ _setupRemoveUI: function() { var self = this, $removeBtn, replaceDeleteWithRemove; // Configure remove button. $removeBtn = this.container.find( '.widget-control-remove' ); $removeBtn.on( 'click', function() { // Find an adjacent element to add focus to when this widget goes away. var $adjacentFocusTarget; if ( self.container.next().is( '.customize-control-widget_form' ) ) { $adjacentFocusTarget = self.container.next().find( '.widget-action:first' ); } else if ( self.container.prev().is( '.customize-control-widget_form' ) ) { $adjacentFocusTarget = self.container.prev().find( '.widget-action:first' ); } else { $adjacentFocusTarget = self.container.next( '.customize-control-sidebar_widgets' ).find( '.add-new-widget:first' ); } self.container.slideUp( function() { var sidebarsWidgetsControl = api.Widgets.getSidebarWidgetControlContainingWidget( self.params.widget_id ), sidebarWidgetIds, i; if ( ! sidebarsWidgetsControl ) { return; } sidebarWidgetIds = sidebarsWidgetsControl.setting().slice(); i = _.indexOf( sidebarWidgetIds, self.params.widget_id ); if ( -1 === i ) { return; } sidebarWidgetIds.splice( i, 1 ); sidebarsWidgetsControl.setting( sidebarWidgetIds ); $adjacentFocusTarget.focus(); // Keyboard accessibility. } ); } ); replaceDeleteWithRemove = function() { $removeBtn.text( l10n.removeBtnLabel ); // wp_widget_control() outputs the button as "Delete". $removeBtn.attr( 'title', l10n.removeBtnTooltip ); }; if ( this.params.is_new ) { api.bind( 'saved', replaceDeleteWithRemove ); } else { replaceDeleteWithRemove(); } }, /** * Find all inputs in a widget container that should be considered when * comparing the loaded form with the sanitized form, whose fields will * be aligned to copy the sanitized over. The elements returned by this * are passed into this._getInputsSignature(), and they are iterated * over when copying sanitized values over to the form loaded. * * @param {jQuery} container element in which to look for inputs * @return {jQuery} inputs * @private */ _getInputs: function( container ) { return $( container ).find( ':input[name]' ); }, /** * Iterate over supplied inputs and create a signature string for all of them together. * This string can be used to compare whether or not the form has all of the same fields. * * @param {jQuery} inputs * @return {string} * @private */ _getInputsSignature: function( inputs ) { var inputsSignatures = _( inputs ).map( function( input ) { var $input = $( input ), signatureParts; if ( $input.is( ':checkbox, :radio' ) ) { signatureParts = [ $input.attr( 'id' ), $input.attr( 'name' ), $input.prop( 'value' ) ]; } else { signatureParts = [ $input.attr( 'id' ), $input.attr( 'name' ) ]; } return signatureParts.join( ',' ); } ); return inputsSignatures.join( ';' ); }, /** * Get the state for an input depending on its type. * * @param {jQuery|Element} input * @return {string|boolean|Array|*} * @private */ _getInputState: function( input ) { input = $( input ); if ( input.is( ':radio, :checkbox' ) ) { return input.prop( 'checked' ); } else if ( input.is( 'select[multiple]' ) ) { return input.find( 'option:selected' ).map( function () { return $( this ).val(); } ).get(); } else { return input.val(); } }, /** * Update an input's state based on its type. * * @param {jQuery|Element} input * @param {string|boolean|Array|*} state * @private */ _setInputState: function ( input, state ) { input = $( input ); if ( input.is( ':radio, :checkbox' ) ) { input.prop( 'checked', state ); } else if ( input.is( 'select[multiple]' ) ) { if ( ! Array.isArray( state ) ) { state = []; } else { // Make sure all state items are strings since the DOM value is a string. state = _.map( state, function ( value ) { return String( value ); } ); } input.find( 'option' ).each( function () { $( this ).prop( 'selected', -1 !== _.indexOf( state, String( this.value ) ) ); } ); } else { input.val( state ); } }, /*********************************************************************** * Begin public API methods **********************************************************************/ /** * @return {wp.customize.controlConstructor.sidebar_widgets[]} */ getSidebarWidgetsControl: function() { var settingId, sidebarWidgetsControl; settingId = 'sidebars_widgets[' + this.params.sidebar_id + ']'; sidebarWidgetsControl = api.control( settingId ); if ( ! sidebarWidgetsControl ) { return; } return sidebarWidgetsControl; }, /** * Submit the widget form via Ajax and get back the updated instance, * along with the new widget control form to render. * * @param {Object} [args] * @param {Object|null} [args.instance=null] When the model changes, the instance is sent here; otherwise, the inputs from the form are used * @param {Function|null} [args.complete=null] Function which is called when the request finishes. Context is bound to the control. First argument is any error. Following arguments are for success. * @param {boolean} [args.ignoreActiveElement=false] Whether or not updating a field will be deferred if focus is still on the element. */ updateWidget: function( args ) { var self = this, instanceOverride, completeCallback, $widgetRoot, $widgetContent, updateNumber, params, data, $inputs, processing, jqxhr, isChanged; // The updateWidget logic requires that the form fields to be fully present. self.embedWidgetContent(); args = $.extend( { instance: null, complete: null, ignoreActiveElement: false }, args ); instanceOverride = args.instance; completeCallback = args.complete; this._updateCount += 1; updateNumber = this._updateCount; $widgetRoot = this.container.find( '.widget:first' ); $widgetContent = $widgetRoot.find( '.widget-content:first' ); // Remove a previous error message. $widgetContent.find( '.widget-error' ).remove(); this.container.addClass( 'widget-form-loading' ); this.container.addClass( 'previewer-loading' ); processing = api.state( 'processing' ); processing( processing() + 1 ); if ( ! this.liveUpdateMode ) { this.container.addClass( 'widget-form-disabled' ); } params = {}; params.action = 'update-widget'; params.wp_customize = 'on'; params.nonce = api.settings.nonce['update-widget']; params.customize_theme = api.settings.theme.stylesheet; params.customized = wp.customize.previewer.query().customized; data = $.param( params ); $inputs = this._getInputs( $widgetContent ); /* * Store the value we're submitting in data so that when the response comes back, * we know if it got sanitized; if there is no difference in the sanitized value, * then we do not need to touch the UI and mess up the user's ongoing editing. */ $inputs.each( function() { $( this ).data( 'state' + updateNumber, self._getInputState( this ) ); } ); if ( instanceOverride ) { data += '&' + $.param( { 'sanitized_widget_setting': JSON.stringify( instanceOverride ) } ); } else { data += '&' + $inputs.serialize(); } data += '&' + $widgetContent.find( '~ :input' ).serialize(); if ( this._previousUpdateRequest ) { this._previousUpdateRequest.abort(); } jqxhr = $.post( wp.ajax.settings.url, data ); this._previousUpdateRequest = jqxhr; jqxhr.done( function( r ) { var message, sanitizedForm, $sanitizedInputs, hasSameInputsInResponse, isLiveUpdateAborted = false; // Check if the user is logged out. if ( '0' === r ) { api.previewer.preview.iframe.hide(); api.previewer.login().done( function() { self.updateWidget( args ); api.previewer.preview.iframe.show(); } ); return; } // Check for cheaters. if ( '-1' === r ) { api.previewer.cheatin(); return; } if ( r.success ) { sanitizedForm = $( '<div>' + r.data.form + '</div>' ); $sanitizedInputs = self._getInputs( sanitizedForm ); hasSameInputsInResponse = self._getInputsSignature( $inputs ) === self._getInputsSignature( $sanitizedInputs ); // Restore live update mode if sanitized fields are now aligned with the existing fields. if ( hasSameInputsInResponse && ! self.liveUpdateMode ) { self.liveUpdateMode = true; self.container.removeClass( 'widget-form-disabled' ); self.container.find( 'input[name="savewidget"]' ).hide(); } // Sync sanitized field states to existing fields if they are aligned. if ( hasSameInputsInResponse && self.liveUpdateMode ) { $inputs.each( function( i ) { var $input = $( this ), $sanitizedInput = $( $sanitizedInputs[i] ), submittedState, sanitizedState, canUpdateState; submittedState = $input.data( 'state' + updateNumber ); sanitizedState = self._getInputState( $sanitizedInput ); $input.data( 'sanitized', sanitizedState ); canUpdateState = ( ! _.isEqual( submittedState, sanitizedState ) && ( args.ignoreActiveElement || ! $input.is( document.activeElement ) ) ); if ( canUpdateState ) { self._setInputState( $input, sanitizedState ); } } ); $( document ).trigger( 'widget-synced', [ $widgetRoot, r.data.form ] ); // Otherwise, if sanitized fields are not aligned with existing fields, disable live update mode if enabled. } else if ( self.liveUpdateMode ) { self.liveUpdateMode = false; self.container.find( 'input[name="savewidget"]' ).show(); isLiveUpdateAborted = true; // Otherwise, replace existing form with the sanitized form. } else { $widgetContent.html( r.data.form ); self.container.removeClass( 'widget-form-disabled' ); $( document ).trigger( 'widget-updated', [ $widgetRoot ] ); } /** * If the old instance is identical to the new one, there is nothing new * needing to be rendered, and so we can preempt the event for the * preview finishing loading. */ isChanged = ! isLiveUpdateAborted && ! _( self.setting() ).isEqual( r.data.instance ); if ( isChanged ) { self.isWidgetUpdating = true; // Suppress triggering another updateWidget. self.setting( r.data.instance ); self.isWidgetUpdating = false; } else { // No change was made, so stop the spinner now instead of when the preview would updates. self.container.removeClass( 'previewer-loading' ); } if ( completeCallback ) { completeCallback.call( self, null, { noChange: ! isChanged, ajaxFinished: true } ); } } else { // General error message. message = l10n.error; if ( r.data && r.data.message ) { message = r.data.message; } if ( completeCallback ) { completeCallback.call( self, message ); } else { $widgetContent.prepend( '<p class="widget-error"><strong>' + message + '</strong></p>' ); } } } ); jqxhr.fail( function( jqXHR, textStatus ) { if ( completeCallback ) { completeCallback.call( self, textStatus ); } } ); jqxhr.always( function() { self.container.removeClass( 'widget-form-loading' ); $inputs.each( function() { $( this ).removeData( 'state' + updateNumber ); } ); processing( processing() - 1 ); } ); }, /** * Expand the accordion section containing a control */ expandControlSection: function() { api.Control.prototype.expand.call( this ); }, /** * @since 4.1.0 * * @param {Boolean} expanded * @param {Object} [params] * @return {Boolean} False if state already applied. */ _toggleExpanded: api.Section.prototype._toggleExpanded, /** * @since 4.1.0 * * @param {Object} [params] * @return {Boolean} False if already expanded. */ expand: api.Section.prototype.expand, /** * Expand the widget form control * * @deprecated 4.1.0 Use this.expand() instead. */ expandForm: function() { this.expand(); }, /** * @since 4.1.0 * * @param {Object} [params] * @return {Boolean} False if already collapsed. */ collapse: api.Section.prototype.collapse, /** * Collapse the widget form control * * @deprecated 4.1.0 Use this.collapse() instead. */ collapseForm: function() { this.collapse(); }, /** * Expand or collapse the widget control * * @deprecated this is poor naming, and it is better to directly set control.expanded( showOrHide ) * * @param {boolean|undefined} [showOrHide] If not supplied, will be inverse of current visibility */ toggleForm: function( showOrHide ) { if ( typeof showOrHide === 'undefined' ) { showOrHide = ! this.expanded(); } this.expanded( showOrHide ); }, /** * Respond to change in the expanded state. * * @param {boolean} expanded * @param {Object} args merged on top of this.defaultActiveArguments */ onChangeExpanded: function ( expanded, args ) { var self = this, $widget, $inside, complete, prevComplete, expandControl, $toggleBtn; self.embedWidgetControl(); // Make sure the outer form is embedded so that the expanded state can be set in the UI. if ( expanded ) { self.embedWidgetContent(); } // If the expanded state is unchanged only manipulate container expanded states. if ( args.unchanged ) { if ( expanded ) { api.Control.prototype.expand.call( self, { completeCallback: args.completeCallback }); } return; } $widget = this.container.find( 'div.widget:first' ); $inside = $widget.find( '.widget-inside:first' ); $toggleBtn = this.container.find( '.widget-top button.widget-action' ); expandControl = function() { // Close all other widget controls before expanding this one. api.control.each( function( otherControl ) { if ( self.params.type === otherControl.params.type && self !== otherControl ) { otherControl.collapse(); } } ); complete = function() { self.container.removeClass( 'expanding' ); self.container.addClass( 'expanded' ); $widget.addClass( 'open' ); $toggleBtn.attr( 'aria-expanded', 'true' ); self.container.trigger( 'expanded' ); }; if ( args.completeCallback ) { prevComplete = complete; complete = function () { prevComplete(); args.completeCallback(); }; } if ( self.params.is_wide ) { $inside.fadeIn( args.duration, complete ); } else { $inside.slideDown( args.duration, complete ); } self.container.trigger( 'expand' ); self.container.addClass( 'expanding' ); }; if ( $toggleBtn.attr( 'aria-expanded' ) === 'false' ) { if ( api.section.has( self.section() ) ) { api.section( self.section() ).expand( { completeCallback: expandControl } ); } else { expandControl(); } } else { complete = function() { self.container.removeClass( 'collapsing' ); self.container.removeClass( 'expanded' ); $widget.removeClass( 'open' ); $toggleBtn.attr( 'aria-expanded', 'false' ); self.container.trigger( 'collapsed' ); }; if ( args.completeCallback ) { prevComplete = complete; complete = function () { prevComplete(); args.completeCallback(); }; } self.container.trigger( 'collapse' ); self.container.addClass( 'collapsing' ); if ( self.params.is_wide ) { $inside.fadeOut( args.duration, complete ); } else { $inside.slideUp( args.duration, function() { $widget.css( { width:'', margin:'' } ); complete(); } ); } } }, /** * Get the position (index) of the widget in the containing sidebar * * @return {number} */ getWidgetSidebarPosition: function() { var sidebarWidgetIds, position; sidebarWidgetIds = this.getSidebarWidgetsControl().setting(); position = _.indexOf( sidebarWidgetIds, this.params.widget_id ); if ( position === -1 ) { return; } return position; }, /** * Move widget up one in the sidebar */ moveUp: function() { this._moveWidgetByOne( -1 ); }, /** * Move widget up one in the sidebar */ moveDown: function() { this._moveWidgetByOne( 1 ); }, /** * @private * * @param {number} offset 1|-1 */ _moveWidgetByOne: function( offset ) { var i, sidebarWidgetsSetting, sidebarWidgetIds, adjacentWidgetId; i = this.getWidgetSidebarPosition(); sidebarWidgetsSetting = this.getSidebarWidgetsControl().setting; sidebarWidgetIds = Array.prototype.slice.call( sidebarWidgetsSetting() ); // Clone. adjacentWidgetId = sidebarWidgetIds[i + offset]; sidebarWidgetIds[i + offset] = this.params.widget_id; sidebarWidgetIds[i] = adjacentWidgetId; sidebarWidgetsSetting( sidebarWidgetIds ); }, /** * Toggle visibility of the widget move area * * @param {boolean} [showOrHide] */ toggleWidgetMoveArea: function( showOrHide ) { var self = this, $moveWidgetArea; $moveWidgetArea = this.container.find( '.move-widget-area' ); if ( typeof showOrHide === 'undefined' ) { showOrHide = ! $moveWidgetArea.hasClass( 'active' ); } if ( showOrHide ) { // Reset the selected sidebar. $moveWidgetArea.find( '.selected' ).removeClass( 'selected' ); $moveWidgetArea.find( 'li' ).filter( function() { return $( this ).data( 'id' ) === self.params.sidebar_id; } ).addClass( 'selected' ); this.container.find( '.move-widget-btn' ).prop( 'disabled', true ); } $moveWidgetArea.toggleClass( 'active', showOrHide ); }, /** * Highlight the widget control and section */ highlightSectionAndControl: function() { var $target; if ( this.container.is( ':hidden' ) ) { $target = this.container.closest( '.control-section' ); } else { $target = this.container; } $( '.highlighted' ).removeClass( 'highlighted' ); $target.addClass( 'highlighted' ); setTimeout( function() { $target.removeClass( 'highlighted' ); }, 500 ); } } ); /** * wp.customize.Widgets.WidgetsPanel * * Customizer panel containing the widget area sections. * * @since 4.4.0 * * @class wp.customize.Widgets.WidgetsPanel * @augments wp.customize.Panel */ api.Widgets.WidgetsPanel = api.Panel.extend(/** @lends wp.customize.Widgets.WigetsPanel.prototype */{ /** * Add and manage the display of the no-rendered-areas notice. * * @since 4.4.0 */ ready: function () { var panel = this; api.Panel.prototype.ready.call( panel ); panel.deferred.embedded.done(function() { var panelMetaContainer, noticeContainer, updateNotice, getActiveSectionCount, shouldShowNotice; panelMetaContainer = panel.container.find( '.panel-meta' ); // @todo This should use the Notifications API introduced to panels. See <https://core.trac.wordpress.org/ticket/38794>. noticeContainer = $( '<div></div>', { 'class': 'no-widget-areas-rendered-notice', 'role': 'alert' }); panelMetaContainer.append( noticeContainer ); /** * Get the number of active sections in the panel. * * @return {number} Number of active sidebar sections. */ getActiveSectionCount = function() { return _.filter( panel.sections(), function( section ) { return 'sidebar' === section.params.type && section.active(); } ).length; }; /** * Determine whether or not the notice should be displayed. * * @return {boolean} */ shouldShowNotice = function() { var activeSectionCount = getActiveSectionCount(); if ( 0 === activeSectionCount ) { return true; } else { return activeSectionCount !== api.Widgets.data.registeredSidebars.length; } }; /** * Update the notice. * * @return {void} */ updateNotice = function() { var activeSectionCount = getActiveSectionCount(), someRenderedMessage, nonRenderedAreaCount, registeredAreaCount; noticeContainer.empty(); registeredAreaCount = api.Widgets.data.registeredSidebars.length; if ( activeSectionCount !== registeredAreaCount ) { if ( 0 !== activeSectionCount ) { nonRenderedAreaCount = registeredAreaCount - activeSectionCount; someRenderedMessage = l10n.someAreasShown[ nonRenderedAreaCount ]; } else { someRenderedMessage = l10n.noAreasShown; } if ( someRenderedMessage ) { noticeContainer.append( $( '<p></p>', { text: someRenderedMessage } ) ); } noticeContainer.append( $( '<p></p>', { text: l10n.navigatePreview } ) ); } }; updateNotice(); /* * Set the initial visibility state for rendered notice. * Update the visibility of the notice whenever a reflow happens. */ noticeContainer.toggle( shouldShowNotice() ); api.previewer.deferred.active.done( function () { noticeContainer.toggle( shouldShowNotice() ); }); api.bind( 'pane-contents-reflowed', function() { var duration = ( 'resolved' === api.previewer.deferred.active.state() ) ? 'fast' : 0; updateNotice(); if ( shouldShowNotice() ) { noticeContainer.slideDown( duration ); } else { noticeContainer.slideUp( duration ); } }); }); }, /** * Allow an active widgets panel to be contextually active even when it has no active sections (widget areas). * * This ensures that the widgets panel appears even when there are no * sidebars displayed on the URL currently being previewed. * * @since 4.4.0 * * @return {boolean} */ isContextuallyActive: function() { var panel = this; return panel.active(); } }); /** * wp.customize.Widgets.SidebarSection * * Customizer section representing a widget area widget * * @since 4.1.0 * * @class wp.customize.Widgets.SidebarSection * @augments wp.customize.Section */ api.Widgets.SidebarSection = api.Section.extend(/** @lends wp.customize.Widgets.SidebarSection.prototype */{ /** * Sync the section's active state back to the Backbone model's is_rendered attribute * * @since 4.1.0 */ ready: function () { var section = this, registeredSidebar; api.Section.prototype.ready.call( this ); registeredSidebar = api.Widgets.registeredSidebars.get( section.params.sidebarId ); section.active.bind( function ( active ) { registeredSidebar.set( 'is_rendered', active ); }); registeredSidebar.set( 'is_rendered', section.active() ); } }); /** * wp.customize.Widgets.SidebarControl * * Customizer control for widgets. * Note that 'sidebar_widgets' must match the WP_Widget_Area_Customize_Control::$type * * @since 3.9.0 * * @class wp.customize.Widgets.SidebarControl * @augments wp.customize.Control */ api.Widgets.SidebarControl = api.Control.extend(/** @lends wp.customize.Widgets.SidebarControl.prototype */{ /** * Set up the control */ ready: function() { this.$controlSection = this.container.closest( '.control-section' ); this.$sectionContent = this.container.closest( '.accordion-section-content' ); this._setupModel(); this._setupSortable(); this._setupAddition(); this._applyCardinalOrderClassNames(); }, /** * Update ordering of widget control forms when the setting is updated */ _setupModel: function() { var self = this; this.setting.bind( function( newWidgetIds, oldWidgetIds ) { var widgetFormControls, removedWidgetIds, priority; removedWidgetIds = _( oldWidgetIds ).difference( newWidgetIds ); // Filter out any persistent widget IDs for widgets which have been deactivated. newWidgetIds = _( newWidgetIds ).filter( function( newWidgetId ) { var parsedWidgetId = parseWidgetId( newWidgetId ); return !! api.Widgets.availableWidgets.findWhere( { id_base: parsedWidgetId.id_base } ); } ); widgetFormControls = _( newWidgetIds ).map( function( widgetId ) { var widgetFormControl = api.Widgets.getWidgetFormControlForWidget( widgetId ); if ( ! widgetFormControl ) { widgetFormControl = self.addWidget( widgetId ); } return widgetFormControl; } ); // Sort widget controls to their new positions. widgetFormControls.sort( function( a, b ) { var aIndex = _.indexOf( newWidgetIds, a.params.widget_id ), bIndex = _.indexOf( newWidgetIds, b.params.widget_id ); return aIndex - bIndex; }); priority = 0; _( widgetFormControls ).each( function ( control ) { control.priority( priority ); control.section( self.section() ); priority += 1; }); self.priority( priority ); // Make sure sidebar control remains at end. // Re-sort widget form controls (including widgets form other sidebars newly moved here). self._applyCardinalOrderClassNames(); // If the widget was dragged into the sidebar, make sure the sidebar_id param is updated. _( widgetFormControls ).each( function( widgetFormControl ) { widgetFormControl.params.sidebar_id = self.params.sidebar_id; } ); // Cleanup after widget removal. _( removedWidgetIds ).each( function( removedWidgetId ) { // Using setTimeout so that when moving a widget to another sidebar, // the other sidebars_widgets settings get a chance to update. setTimeout( function() { var removedControl, wasDraggedToAnotherSidebar, inactiveWidgets, removedIdBase, widget, isPresentInAnotherSidebar = false; // Check if the widget is in another sidebar. api.each( function( otherSetting ) { if ( otherSetting.id === self.setting.id || 0 !== otherSetting.id.indexOf( 'sidebars_widgets[' ) || otherSetting.id === 'sidebars_widgets[wp_inactive_widgets]' ) { return; } var otherSidebarWidgets = otherSetting(), i; i = _.indexOf( otherSidebarWidgets, removedWidgetId ); if ( -1 !== i ) { isPresentInAnotherSidebar = true; } } ); // If the widget is present in another sidebar, abort! if ( isPresentInAnotherSidebar ) { return; } removedControl = api.Widgets.getWidgetFormControlForWidget( removedWidgetId ); // Detect if widget control was dragged to another sidebar. wasDraggedToAnotherSidebar = removedControl && $.contains( document, removedControl.container[0] ) && ! $.contains( self.$sectionContent[0], removedControl.container[0] ); // Delete any widget form controls for removed widgets. if ( removedControl && ! wasDraggedToAnotherSidebar ) { api.control.remove( removedControl.id ); removedControl.container.remove(); } // Move widget to inactive widgets sidebar (move it to Trash) if has been previously saved. // This prevents the inactive widgets sidebar from overflowing with throwaway widgets. if ( api.Widgets.savedWidgetIds[removedWidgetId] ) { inactiveWidgets = api.value( 'sidebars_widgets[wp_inactive_widgets]' )().slice(); inactiveWidgets.push( removedWidgetId ); api.value( 'sidebars_widgets[wp_inactive_widgets]' )( _( inactiveWidgets ).unique() ); } // Make old single widget available for adding again. removedIdBase = parseWidgetId( removedWidgetId ).id_base; widget = api.Widgets.availableWidgets.findWhere( { id_base: removedIdBase } ); if ( widget && ! widget.get( 'is_multi' ) ) { widget.set( 'is_disabled', false ); } } ); } ); } ); }, /** * Allow widgets in sidebar to be re-ordered, and for the order to be previewed */ _setupSortable: function() { var self = this; this.isReordering = false; /** * Update widget order setting when controls are re-ordered */ this.$sectionContent.sortable( { items: '> .customize-control-widget_form', handle: '.widget-top', axis: 'y', tolerance: 'pointer', connectWith: '.accordion-section-content:has(.customize-control-sidebar_widgets)', update: function() { var widgetContainerIds = self.$sectionContent.sortable( 'toArray' ), widgetIds; widgetIds = $.map( widgetContainerIds, function( widgetContainerId ) { return $( '#' + widgetContainerId ).find( ':input[name=widget-id]' ).val(); } ); self.setting( widgetIds ); } } ); /** * Expand other Customizer sidebar section when dragging a control widget over it, * allowing the control to be dropped into another section */ this.$controlSection.find( '.accordion-section-title' ).droppable({ accept: '.customize-control-widget_form', over: function() { var section = api.section( self.section.get() ); section.expand({ allowMultiple: true, // Prevent the section being dragged from to be collapsed. completeCallback: function () { // @todo It is not clear when refreshPositions should be called on which sections, or if it is even needed. api.section.each( function ( otherSection ) { if ( otherSection.container.find( '.customize-control-sidebar_widgets' ).length ) { otherSection.container.find( '.accordion-section-content:first' ).sortable( 'refreshPositions' ); } } ); } }); } }); /** * Keyboard-accessible reordering */ this.container.find( '.reorder-toggle' ).on( 'click', function() { self.toggleReordering( ! self.isReordering ); } ); }, /** * Set up UI for adding a new widget */ _setupAddition: function() { var self = this; this.container.find( '.add-new-widget' ).on( 'click', function() { var addNewWidgetBtn = $( this ); if ( self.$sectionContent.hasClass( 'reordering' ) ) { return; } if ( ! $( 'body' ).hasClass( 'adding-widget' ) ) { addNewWidgetBtn.attr( 'aria-expanded', 'true' ); api.Widgets.availableWidgetsPanel.open( self ); } else { addNewWidgetBtn.attr( 'aria-expanded', 'false' ); api.Widgets.availableWidgetsPanel.close(); } } ); }, /** * Add classes to the widget_form controls to assist with styling */ _applyCardinalOrderClassNames: function() { var widgetControls = []; _.each( this.setting(), function ( widgetId ) { var widgetControl = api.Widgets.getWidgetFormControlForWidget( widgetId ); if ( widgetControl ) { widgetControls.push( widgetControl ); } }); if ( 0 === widgetControls.length || ( 1 === api.Widgets.registeredSidebars.length && widgetControls.length <= 1 ) ) { this.container.find( '.reorder-toggle' ).hide(); return; } else { this.container.find( '.reorder-toggle' ).show(); } $( widgetControls ).each( function () { $( this.container ) .removeClass( 'first-widget' ) .removeClass( 'last-widget' ) .find( '.move-widget-down, .move-widget-up' ).prop( 'tabIndex', 0 ); }); _.first( widgetControls ).container .addClass( 'first-widget' ) .find( '.move-widget-up' ).prop( 'tabIndex', -1 ); _.last( widgetControls ).container .addClass( 'last-widget' ) .find( '.move-widget-down' ).prop( 'tabIndex', -1 ); }, /*********************************************************************** * Begin public API methods **********************************************************************/ /** * Enable/disable the reordering UI * * @param {boolean} showOrHide to enable/disable reordering * * @todo We should have a reordering state instead and rename this to onChangeReordering */ toggleReordering: function( showOrHide ) { var addNewWidgetBtn = this.$sectionContent.find( '.add-new-widget' ), reorderBtn = this.container.find( '.reorder-toggle' ), widgetsTitle = this.$sectionContent.find( '.widget-title' ); showOrHide = Boolean( showOrHide ); if ( showOrHide === this.$sectionContent.hasClass( 'reordering' ) ) { return; } this.isReordering = showOrHide; this.$sectionContent.toggleClass( 'reordering', showOrHide ); if ( showOrHide ) { _( this.getWidgetFormControls() ).each( function( formControl ) { formControl.collapse(); } ); addNewWidgetBtn.attr({ 'tabindex': '-1', 'aria-hidden': 'true' }); reorderBtn.attr( 'aria-label', l10n.reorderLabelOff ); wp.a11y.speak( l10n.reorderModeOn ); // Hide widget titles while reordering: title is already in the reorder controls. widgetsTitle.attr( 'aria-hidden', 'true' ); } else { addNewWidgetBtn.removeAttr( 'tabindex aria-hidden' ); reorderBtn.attr( 'aria-label', l10n.reorderLabelOn ); wp.a11y.speak( l10n.reorderModeOff ); widgetsTitle.attr( 'aria-hidden', 'false' ); } }, /** * Get the widget_form Customize controls associated with the current sidebar. * * @since 3.9.0 * @return {wp.customize.controlConstructor.widget_form[]} */ getWidgetFormControls: function() { var formControls = []; _( this.setting() ).each( function( widgetId ) { var settingId = widgetIdToSettingId( widgetId ), formControl = api.control( settingId ); if ( formControl ) { formControls.push( formControl ); } } ); return formControls; }, /** * @param {string} widgetId or an id_base for adding a previously non-existing widget. * @return {Object|false} widget_form control instance, or false on error. */ addWidget: function( widgetId ) { var self = this, controlHtml, $widget, controlType = 'widget_form', controlContainer, controlConstructor, parsedWidgetId = parseWidgetId( widgetId ), widgetNumber = parsedWidgetId.number, widgetIdBase = parsedWidgetId.id_base, widget = api.Widgets.availableWidgets.findWhere( {id_base: widgetIdBase} ), settingId, isExistingWidget, widgetFormControl, sidebarWidgets, settingArgs, setting; if ( ! widget ) { return false; } if ( widgetNumber && ! widget.get( 'is_multi' ) ) { return false; } // Set up new multi widget. if ( widget.get( 'is_multi' ) && ! widgetNumber ) { widget.set( 'multi_number', widget.get( 'multi_number' ) + 1 ); widgetNumber = widget.get( 'multi_number' ); } controlHtml = $( '#widget-tpl-' + widget.get( 'id' ) ).html().trim(); if ( widget.get( 'is_multi' ) ) { controlHtml = controlHtml.replace( /<[^<>]+>/g, function( m ) { return m.replace( /__i__|%i%/g, widgetNumber ); } ); } else { widget.set( 'is_disabled', true ); // Prevent single widget from being added again now. } $widget = $( controlHtml ); controlContainer = $( '<li/>' ) .addClass( 'customize-control' ) .addClass( 'customize-control-' + controlType ) .append( $widget ); // Remove icon which is visible inside the panel. controlContainer.find( '> .widget-icon' ).remove(); if ( widget.get( 'is_multi' ) ) { controlContainer.find( 'input[name="widget_number"]' ).val( widgetNumber ); controlContainer.find( 'input[name="multi_number"]' ).val( widgetNumber ); } widgetId = controlContainer.find( '[name="widget-id"]' ).val(); controlContainer.hide(); // To be slid-down below. settingId = 'widget_' + widget.get( 'id_base' ); if ( widget.get( 'is_multi' ) ) { settingId += '[' + widgetNumber + ']'; } controlContainer.attr( 'id', 'customize-control-' + settingId.replace( /\]/g, '' ).replace( /\[/g, '-' ) ); // Only create setting if it doesn't already exist (if we're adding a pre-existing inactive widget). isExistingWidget = api.has( settingId ); if ( ! isExistingWidget ) { settingArgs = { transport: api.Widgets.data.selectiveRefreshableWidgets[ widget.get( 'id_base' ) ] ? 'postMessage' : 'refresh', previewer: this.setting.previewer }; setting = api.create( settingId, settingId, '', settingArgs ); setting.set( {} ); // Mark dirty, changing from '' to {}. } controlConstructor = api.controlConstructor[controlType]; widgetFormControl = new controlConstructor( settingId, { settings: { 'default': settingId }, content: controlContainer, sidebar_id: self.params.sidebar_id, widget_id: widgetId, widget_id_base: widget.get( 'id_base' ), type: controlType, is_new: ! isExistingWidget, width: widget.get( 'width' ), height: widget.get( 'height' ), is_wide: widget.get( 'is_wide' ) } ); api.control.add( widgetFormControl ); // Make sure widget is removed from the other sidebars. api.each( function( otherSetting ) { if ( otherSetting.id === self.setting.id ) { return; } if ( 0 !== otherSetting.id.indexOf( 'sidebars_widgets[' ) ) { return; } var otherSidebarWidgets = otherSetting().slice(), i = _.indexOf( otherSidebarWidgets, widgetId ); if ( -1 !== i ) { otherSidebarWidgets.splice( i ); otherSetting( otherSidebarWidgets ); } } ); // Add widget to this sidebar. sidebarWidgets = this.setting().slice(); if ( -1 === _.indexOf( sidebarWidgets, widgetId ) ) { sidebarWidgets.push( widgetId ); this.setting( sidebarWidgets ); } controlContainer.slideDown( function() { if ( isExistingWidget ) { widgetFormControl.updateWidget( { instance: widgetFormControl.setting() } ); } } ); return widgetFormControl; } } ); // Register models for custom panel, section, and control types. $.extend( api.panelConstructor, { widgets: api.Widgets.WidgetsPanel }); $.extend( api.sectionConstructor, { sidebar: api.Widgets.SidebarSection }); $.extend( api.controlConstructor, { widget_form: api.Widgets.WidgetControl, sidebar_widgets: api.Widgets.SidebarControl }); /** * Init Customizer for widgets. */ api.bind( 'ready', function() { // Set up the widgets panel. api.Widgets.availableWidgetsPanel = new api.Widgets.AvailableWidgetsPanelView({ collection: api.Widgets.availableWidgets }); // Highlight widget control. api.previewer.bind( 'highlight-widget-control', api.Widgets.highlightWidgetFormControl ); // Open and focus widget control. api.previewer.bind( 'focus-widget-control', api.Widgets.focusWidgetFormControl ); } ); /** * Highlight a widget control. * * @param {string} widgetId */ api.Widgets.highlightWidgetFormControl = function( widgetId ) { var control = api.Widgets.getWidgetFormControlForWidget( widgetId ); if ( control ) { control.highlightSectionAndControl(); } }, /** * Focus a widget control. * * @param {string} widgetId */ api.Widgets.focusWidgetFormControl = function( widgetId ) { var control = api.Widgets.getWidgetFormControlForWidget( widgetId ); if ( control ) { control.focus(); } }, /** * Given a widget control, find the sidebar widgets control that contains it. * @param {string} widgetId * @return {Object|null} */ api.Widgets.getSidebarWidgetControlContainingWidget = function( widgetId ) { var foundControl = null; // @todo This can use widgetIdToSettingId(), then pass into wp.customize.control( x ).getSidebarWidgetsControl(). api.control.each( function( control ) { if ( control.params.type === 'sidebar_widgets' && -1 !== _.indexOf( control.setting(), widgetId ) ) { foundControl = control; } } ); return foundControl; }; /** * Given a widget ID for a widget appearing in the preview, get the widget form control associated with it. * * @param {string} widgetId * @return {Object|null} */ api.Widgets.getWidgetFormControlForWidget = function( widgetId ) { var foundControl = null; // @todo We can just use widgetIdToSettingId() here. api.control.each( function( control ) { if ( control.params.type === 'widget_form' && control.params.widget_id === widgetId ) { foundControl = control; } } ); return foundControl; }; /** * Initialize Edit Menu button in Nav Menu widget. */ $( document ).on( 'widget-added', function( event, widgetContainer ) { var parsedWidgetId, widgetControl, navMenuSelect, editMenuButton; parsedWidgetId = parseWidgetId( widgetContainer.find( '> .widget-inside > .form > .widget-id' ).val() ); if ( 'nav_menu' !== parsedWidgetId.id_base ) { return; } widgetControl = api.control( 'widget_nav_menu[' + String( parsedWidgetId.number ) + ']' ); if ( ! widgetControl ) { return; } navMenuSelect = widgetContainer.find( 'select[name*="nav_menu"]' ); editMenuButton = widgetContainer.find( '.edit-selected-nav-menu > button' ); if ( 0 === navMenuSelect.length || 0 === editMenuButton.length ) { return; } navMenuSelect.on( 'change', function() { if ( api.section.has( 'nav_menu[' + navMenuSelect.val() + ']' ) ) { editMenuButton.parent().show(); } else { editMenuButton.parent().hide(); } }); editMenuButton.on( 'click', function() { var section = api.section( 'nav_menu[' + navMenuSelect.val() + ']' ); if ( section ) { focusConstructWithBreadcrumb( section, widgetControl ); } } ); } ); /** * Focus (expand) one construct and then focus on another construct after the first is collapsed. * * This overrides the back button to serve the purpose of breadcrumb navigation. * * @param {wp.customize.Section|wp.customize.Panel|wp.customize.Control} focusConstruct - The object to initially focus. * @param {wp.customize.Section|wp.customize.Panel|wp.customize.Control} returnConstruct - The object to return focus. */ function focusConstructWithBreadcrumb( focusConstruct, returnConstruct ) { focusConstruct.focus(); function onceCollapsed( isExpanded ) { if ( ! isExpanded ) { focusConstruct.expanded.unbind( onceCollapsed ); returnConstruct.focus(); } } focusConstruct.expanded.bind( onceCollapsed ); } /** * @param {string} widgetId * @return {Object} */ function parseWidgetId( widgetId ) { var matches, parsed = { number: null, id_base: null }; matches = widgetId.match( /^(.+)-(\d+)$/ ); if ( matches ) { parsed.id_base = matches[1]; parsed.number = parseInt( matches[2], 10 ); } else { // Likely an old single widget. parsed.id_base = widgetId; } return parsed; } /** * @param {string} widgetId * @return {string} settingId */ function widgetIdToSettingId( widgetId ) { var parsed = parseWidgetId( widgetId ), settingId; settingId = 'widget_' + parsed.id_base; if ( parsed.number ) { settingId += '[' + parsed.number + ']'; } return settingId; } })( window.wp, jQuery );