/** * @output wp-includes/js/customize-selective-refresh.js */ /* global jQuery, JSON, _customizePartialRefreshExports, console */ /** @namespace wp.customize.selectiveRefresh */ wp.customize.selectiveRefresh = ( function( $, api ) { 'use strict'; var self, Partial, Placement; self = { ready: $.Deferred(), editShortcutVisibility: new api.Value(), data: { partials: {}, renderQueryVar: '', l10n: { shiftClickToEdit: '' } }, currentRequest: null }; _.extend( self, api.Events ); /** * A Customizer Partial. * * A partial provides a rendering of one or more settings according to a template. * * @memberOf wp.customize.selectiveRefresh * * @see PHP class WP_Customize_Partial. * * @class * @augments wp.customize.Class * @since 4.5.0 */ Partial = self.Partial = api.Class.extend(/** @lends wp.customize.SelectiveRefresh.Partial.prototype */{ id: null, /** * Default params. * * @since 4.9.0 * @var {object} */ defaults: { selector: null, primarySetting: null, containerInclusive: false, fallbackRefresh: true // Note this needs to be false in a front-end editing context. }, /** * Constructor. * * @since 4.5.0 * * @param {string} id - Unique identifier for the partial instance. * @param {object} options - Options hash for the partial instance. * @param {string} options.type - Type of partial (e.g. nav_menu, widget, etc) * @param {string} options.selector - jQuery selector to find the container element in the page. * @param {array} options.settings - The IDs for the settings the partial relates to. * @param {string} options.primarySetting - The ID for the primary setting the partial renders. * @param {bool} options.fallbackRefresh - Whether to refresh the entire preview in case of a partial refresh failure. * @param {object} [options.params] - Deprecated wrapper for the above properties. */ initialize: function( id, options ) { var partial = this; options = options || {}; partial.id = id; partial.params = _.extend( { settings: [] }, partial.defaults, options.params || options ); partial.deferred = {}; partial.deferred.ready = $.Deferred(); partial.deferred.ready.done( function() { partial.ready(); } ); }, /** * Set up the partial. * * @since 4.5.0 */ ready: function() { var partial = this; _.each( partial.placements(), function( placement ) { $( placement.container ).attr( 'title', self.data.l10n.shiftClickToEdit ); partial.createEditShortcutForPlacement( placement ); } ); $( document ).on( 'click', partial.params.selector, function( e ) { if ( ! e.shiftKey ) { return; } e.preventDefault(); _.each( partial.placements(), function( placement ) { if ( $( placement.container ).is( e.currentTarget ) ) { partial.showControl(); } } ); } ); }, /** * Create and show the edit shortcut for a given partial placement container. * * @since 4.7.0 * @access public * * @param {Placement} placement The placement container element. * @returns {void} */ createEditShortcutForPlacement: function( placement ) { var partial = this, $shortcut, $placementContainer, illegalAncestorSelector, illegalContainerSelector; if ( ! placement.container ) { return; } $placementContainer = $( placement.container ); illegalAncestorSelector = 'head'; illegalContainerSelector = 'area, audio, base, bdi, bdo, br, button, canvas, col, colgroup, command, datalist, embed, head, hr, html, iframe, img, input, keygen, label, link, map, math, menu, meta, noscript, object, optgroup, option, param, progress, rp, rt, ruby, script, select, source, style, svg, table, tbody, textarea, tfoot, thead, title, tr, track, video, wbr'; if ( ! $placementContainer.length || $placementContainer.is( illegalContainerSelector ) || $placementContainer.closest( illegalAncestorSelector ).length ) { return; } $shortcut = partial.createEditShortcut(); $shortcut.on( 'click', function( event ) { event.preventDefault(); event.stopPropagation(); partial.showControl(); } ); partial.addEditShortcutToPlacement( placement, $shortcut ); }, /** * Add an edit shortcut to the placement container. * * @since 4.7.0 * @access public * * @param {Placement} placement The placement for the partial. * @param {jQuery} $editShortcut The shortcut element as a jQuery object. * @returns {void} */ addEditShortcutToPlacement: function( placement, $editShortcut ) { var $placementContainer = $( placement.container ); $placementContainer.prepend( $editShortcut ); if ( ! $placementContainer.is( ':visible' ) || 'none' === $placementContainer.css( 'display' ) ) { $editShortcut.addClass( 'customize-partial-edit-shortcut-hidden' ); } }, /** * Return the unique class name for the edit shortcut button for this partial. * * @since 4.7.0 * @access public * * @return {string} Partial ID converted into a class name for use in shortcut. */ getEditShortcutClassName: function() { var partial = this, cleanId; cleanId = partial.id.replace( /]/g, '' ).replace( /\[/g, '-' ); return 'customize-partial-edit-shortcut-' + cleanId; }, /** * Return the appropriate translated string for the edit shortcut button. * * @since 4.7.0 * @access public * * @return {string} Tooltip for edit shortcut. */ getEditShortcutTitle: function() { var partial = this, l10n = self.data.l10n; switch ( partial.getType() ) { case 'widget': return l10n.clickEditWidget; case 'blogname': return l10n.clickEditTitle; case 'blogdescription': return l10n.clickEditTitle; case 'nav_menu': return l10n.clickEditMenu; default: return l10n.clickEditMisc; } }, /** * Return the type of this partial * * Will use `params.type` if set, but otherwise will try to infer type from settingId. * * @since 4.7.0 * @access public * * @return {string} Type of partial derived from type param or the related setting ID. */ getType: function() { var partial = this, settingId; settingId = partial.params.primarySetting || _.first( partial.settings() ) || 'unknown'; if ( partial.params.type ) { return partial.params.type; } if ( settingId.match( /^nav_menu_instance\[/ ) ) { return 'nav_menu'; } if ( settingId.match( /^widget_.+\[\d+]$/ ) ) { return 'widget'; } return settingId; }, /** * Create an edit shortcut button for this partial. * * @since 4.7.0 * @access public * * @return {jQuery} The edit shortcut button element. */ createEditShortcut: function() { var partial = this, shortcutTitle, $buttonContainer, $button, $image; shortcutTitle = partial.getEditShortcutTitle(); $buttonContainer = $( '', { 'class': 'customize-partial-edit-shortcut ' + partial.getEditShortcutClassName() } ); $button = $( '', { 'aria-label': shortcutTitle, 'title': shortcutTitle, 'class': 'customize-partial-edit-shortcut-button' } ); $image = $( '' ); $button.append( $image ); $buttonContainer.append( $button ); return $buttonContainer; }, /** * Find all placements for this partial in the document. * * @since 4.5.0 * * @return {Array.} */ placements: function() { var partial = this, selector; selector = partial.params.selector || ''; if ( selector ) { selector += ', '; } selector += '[data-customize-partial-id="' + partial.id + '"]'; // @todo Consider injecting customize-partial-id-${id} classnames instead. return $( selector ).map( function() { var container = $( this ), context; context = container.data( 'customize-partial-placement-context' ); if ( _.isString( context ) && '{' === context.substr( 0, 1 ) ) { throw new Error( 'context JSON parse error' ); } return new Placement( { partial: partial, container: container, context: context } ); } ).get(); }, /** * Get list of setting IDs related to this partial. * * @since 4.5.0 * * @return {String[]} */ settings: function() { var partial = this; if ( partial.params.settings && 0 !== partial.params.settings.length ) { return partial.params.settings; } else if ( partial.params.primarySetting ) { return [ partial.params.primarySetting ]; } else { return [ partial.id ]; } }, /** * Return whether the setting is related to the partial. * * @since 4.5.0 * * @param {wp.customize.Value|string} setting ID or object for setting. * @return {boolean} Whether the setting is related to the partial. */ isRelatedSetting: function( setting /*... newValue, oldValue */ ) { var partial = this; if ( _.isString( setting ) ) { setting = api( setting ); } if ( ! setting ) { return false; } return -1 !== _.indexOf( partial.settings(), setting.id ); }, /** * Show the control to modify this partial's setting(s). * * This may be overridden for inline editing. * * @since 4.5.0 */ showControl: function() { var partial = this, settingId = partial.params.primarySetting; if ( ! settingId ) { settingId = _.first( partial.settings() ); } if ( partial.getType() === 'nav_menu' ) { if ( partial.params.navMenuArgs.theme_location ) { settingId = 'nav_menu_locations[' + partial.params.navMenuArgs.theme_location + ']'; } else if ( partial.params.navMenuArgs.menu ) { settingId = 'nav_menu[' + String( partial.params.navMenuArgs.menu ) + ']'; } } api.preview.send( 'focus-control-for-setting', settingId ); }, /** * Prepare container for selective refresh. * * @since 4.5.0 * * @param {Placement} placement */ preparePlacement: function( placement ) { $( placement.container ).addClass( 'customize-partial-refreshing' ); }, /** * Reference to the pending promise returned from self.requestPartial(). * * @since 4.5.0 * @private */ _pendingRefreshPromise: null, /** * Request the new partial and render it into the placements. * * @since 4.5.0 * * @this {wp.customize.selectiveRefresh.Partial} * @return {jQuery.Promise} */ refresh: function() { var partial = this, refreshPromise; refreshPromise = self.requestPartial( partial ); if ( ! partial._pendingRefreshPromise ) { _.each( partial.placements(), function( placement ) { partial.preparePlacement( placement ); } ); refreshPromise.done( function( placements ) { _.each( placements, function( placement ) { partial.renderContent( placement ); } ); } ); refreshPromise.fail( function( data, placements ) { partial.fallback( data, placements ); } ); // Allow new request when this one finishes. partial._pendingRefreshPromise = refreshPromise; refreshPromise.always( function() { partial._pendingRefreshPromise = null; } ); } return refreshPromise; }, /** * Apply the addedContent in the placement to the document. * * Note the placement object will have its container and removedNodes * properties updated. * * @since 4.5.0 * * @param {Placement} placement * @param {Element|jQuery} [placement.container] - This param will be empty if there was no element matching the selector. * @param {string|object|boolean} placement.addedContent - Rendered HTML content, a data object for JS templates to render, or false if no render. * @param {object} [placement.context] - Optional context information about the container. * @returns {boolean} Whether the rendering was successful and the fallback was not invoked. */ renderContent: function( placement ) { var partial = this, content, newContainerElement; if ( ! placement.container ) { partial.fallback( new Error( 'no_container' ), [ placement ] ); return false; } placement.container = $( placement.container ); if ( false === placement.addedContent ) { partial.fallback( new Error( 'missing_render' ), [ placement ] ); return false; } // Currently a subclass needs to override renderContent to handle partials returning data object. if ( ! _.isString( placement.addedContent ) ) { partial.fallback( new Error( 'non_string_content' ), [ placement ] ); return false; } /* jshint ignore:start */ self.orginalDocumentWrite = document.write; document.write = function() { throw new Error( self.data.l10n.badDocumentWrite ); }; /* jshint ignore:end */ try { content = placement.addedContent; if ( wp.emoji && wp.emoji.parse && ! $.contains( document.head, placement.container[0] ) ) { content = wp.emoji.parse( content ); } if ( partial.params.containerInclusive ) { // Note that content may be an empty string, and in this case jQuery will just remove the oldContainer newContainerElement = $( content ); // Merge the new context on top of the old context. placement.context = _.extend( placement.context, newContainerElement.data( 'customize-partial-placement-context' ) || {} ); newContainerElement.data( 'customize-partial-placement-context', placement.context ); placement.removedNodes = placement.container; placement.container = newContainerElement; placement.removedNodes.replaceWith( placement.container ); placement.container.attr( 'title', self.data.l10n.shiftClickToEdit ); } else { placement.removedNodes = document.createDocumentFragment(); while ( placement.container[0].firstChild ) { placement.removedNodes.appendChild( placement.container[0].firstChild ); } placement.container.html( content ); } placement.container.removeClass( 'customize-render-content-error' ); } catch ( error ) { if ( 'undefined' !== typeof console && console.error ) { console.error( partial.id, error ); } partial.fallback( error, [ placement ] ); } /* jshint ignore:start */ document.write = self.orginalDocumentWrite; self.orginalDocumentWrite = null; /* jshint ignore:end */ partial.createEditShortcutForPlacement( placement ); placement.container.removeClass( 'customize-partial-refreshing' ); // Prevent placement container from being re-triggered as being rendered among nested partials. placement.container.data( 'customize-partial-content-rendered', true ); /* * Note that the 'wp_audio_shortcode_library' and 'wp_video_shortcode_library' filters * will determine whether or not wp.mediaelement is loaded and whether it will * initialize audio and video respectively. See also https://core.trac.wordpress.org/ticket/40144 */ if ( wp.mediaelement ) { wp.mediaelement.initialize(); } if ( wp.playlist ) { wp.playlist.initialize(); } /** * Announce when a partial's placement has been rendered so that dynamic elements can be re-built. */ self.trigger( 'partial-content-rendered', placement ); return true; }, /** * Handle fail to render partial. * * The first argument is either the failing jqXHR or an Error object, and the second argument is the array of containers. * * @since 4.5.0 */ fallback: function() { var partial = this; if ( partial.params.fallbackRefresh ) { self.requestFullRefresh(); } } } ); /** * A Placement for a Partial. * * A partial placement is the actual physical representation of a partial for a given context. * It also may have information in relation to how a placement may have just changed. * The placement is conceptually similar to a DOM Range or MutationRecord. * * @memberOf wp.customize.selectiveRefresh * * @class Placement * @augments wp.customize.Class * @since 4.5.0 */ self.Placement = Placement = api.Class.extend(/** @lends wp.customize.selectiveRefresh.prototype */{ /** * The partial with which the container is associated. * * @param {wp.customize.selectiveRefresh.Partial} */ partial: null, /** * DOM element which contains the placement's contents. * * This will be null if the startNode and endNode do not point to the same * DOM element, such as in the case of a sidebar partial. * This container element itself will be replaced for partials that * have containerInclusive param defined as true. */ container: null, /** * DOM node for the initial boundary of the placement. * * This will normally be the same as endNode since most placements appear as elements. * This is primarily useful for widget sidebars which do not have intrinsic containers, but * for which an HTML comment is output before to mark the starting position. */ startNode: null, /** * DOM node for the terminal boundary of the placement. * * This will normally be the same as startNode since most placements appear as elements. * This is primarily useful for widget sidebars which do not have intrinsic containers, but * for which an HTML comment is output before to mark the ending position. */ endNode: null, /** * Context data. * * This provides information about the placement which is included in the request * in order to render the partial properly. * * @param {object} */ context: null, /** * The content for the partial when refreshed. * * @param {string} */ addedContent: null, /** * DOM node(s) removed when the partial is refreshed. * * If the partial is containerInclusive, then the removedNodes will be * the single Element that was the partial's former placement. If the * partial is not containerInclusive, then the removedNodes will be a * documentFragment containing the nodes removed. * * @param {Element|DocumentFragment} */ removedNodes: null, /** * Constructor. * * @since 4.5.0 * * @param {object} args * @param {Partial} args.partial * @param {jQuery|Element} [args.container] * @param {Node} [args.startNode] * @param {Node} [args.endNode] * @param {object} [args.context] * @param {string} [args.addedContent] * @param {jQuery|DocumentFragment} [args.removedNodes] */ initialize: function( args ) { var placement = this; args = _.extend( {}, args || {} ); if ( ! args.partial || ! args.partial.extended( Partial ) ) { throw new Error( 'Missing partial' ); } args.context = args.context || {}; if ( args.container ) { args.container = $( args.container ); } _.extend( placement, args ); } }); /** * Mapping of type names to Partial constructor subclasses. * * @since 4.5.0 * * @type {Object.} */ self.partialConstructor = {}; self.partial = new api.Values({ defaultConstructor: Partial }); /** * Get the POST vars for a Customizer preview request. * * @since 4.5.0 * @see wp.customize.previewer.query() * * @return {object} */ self.getCustomizeQuery = function() { var dirtyCustomized = {}; api.each( function( value, key ) { if ( value._dirty ) { dirtyCustomized[ key ] = value(); } } ); return { wp_customize: 'on', nonce: api.settings.nonce.preview, customize_theme: api.settings.theme.stylesheet, customized: JSON.stringify( dirtyCustomized ), customize_changeset_uuid: api.settings.changeset.uuid }; }; /** * Currently-requested partials and their associated deferreds. * * @since 4.5.0 * @type {Object} */ self._pendingPartialRequests = {}; /** * Timeout ID for the current requesr, or null if no request is current. * * @since 4.5.0 * @type {number|null} * @private */ self._debouncedTimeoutId = null; /** * Current jqXHR for the request to the partials. * * @since 4.5.0 * @type {jQuery.jqXHR|null} * @private */ self._currentRequest = null; /** * Request full page refresh. * * When selective refresh is embedded in the context of front-end editing, this request * must fail or else changes will be lost, unless transactions are implemented. * * @since 4.5.0 */ self.requestFullRefresh = function() { api.preview.send( 'refresh' ); }; /** * Request a re-rendering of a partial. * * @since 4.5.0 * * @param {wp.customize.selectiveRefresh.Partial} partial * @return {jQuery.Promise} */ self.requestPartial = function( partial ) { var partialRequest; if ( self._debouncedTimeoutId ) { clearTimeout( self._debouncedTimeoutId ); self._debouncedTimeoutId = null; } if ( self._currentRequest ) { self._currentRequest.abort(); self._currentRequest = null; } partialRequest = self._pendingPartialRequests[ partial.id ]; if ( ! partialRequest || 'pending' !== partialRequest.deferred.state() ) { partialRequest = { deferred: $.Deferred(), partial: partial }; self._pendingPartialRequests[ partial.id ] = partialRequest; } // Prevent leaking partial into debounced timeout callback. partial = null; self._debouncedTimeoutId = setTimeout( function() { var data, partialPlacementContexts, partialsPlacements, request; self._debouncedTimeoutId = null; data = self.getCustomizeQuery(); /* * It is key that the containers be fetched exactly at the point of the request being * made, because the containers need to be mapped to responses by array indices. */ partialsPlacements = {}; partialPlacementContexts = {}; _.each( self._pendingPartialRequests, function( pending, partialId ) { partialsPlacements[ partialId ] = pending.partial.placements(); if ( ! self.partial.has( partialId ) ) { pending.deferred.rejectWith( pending.partial, [ new Error( 'partial_removed' ), partialsPlacements[ partialId ] ] ); } else { /* * Note that this may in fact be an empty array. In that case, it is the responsibility * of the Partial subclass instance to know where to inject the response, or else to * just issue a refresh (default behavior). The data being returned with each container * is the context information that may be needed to render certain partials, such as * the contained sidebar for rendering widgets or what the nav menu args are for a menu. */ partialPlacementContexts[ partialId ] = _.map( partialsPlacements[ partialId ], function( placement ) { return placement.context || {}; } ); } } ); data.partials = JSON.stringify( partialPlacementContexts ); data[ self.data.renderQueryVar ] = '1'; request = self._currentRequest = wp.ajax.send( null, { data: data, url: api.settings.url.self } ); request.done( function( data ) { /** * Announce the data returned from a request to render partials. * * The data is filtered on the server via customize_render_partials_response * so plugins can inject data from the server to be utilized * on the client via this event. Plugins may use this filter * to communicate script and style dependencies that need to get * injected into the page to support the rendered partials. * This is similar to the 'saved' event. */ self.trigger( 'render-partials-response', data ); // Relay errors (warnings) captured during rendering and relay to console. if ( data.errors && 'undefined' !== typeof console && console.warn ) { _.each( data.errors, function( error ) { console.warn( error ); } ); } /* * Note that data is an array of items that correspond to the array of * containers that were submitted in the request. So we zip up the * array of containers with the array of contents for those containers, * and send them into . */ _.each( self._pendingPartialRequests, function( pending, partialId ) { var placementsContents; if ( ! _.isArray( data.contents[ partialId ] ) ) { pending.deferred.rejectWith( pending.partial, [ new Error( 'unrecognized_partial' ), partialsPlacements[ partialId ] ] ); } else { placementsContents = _.map( data.contents[ partialId ], function( content, i ) { var partialPlacement = partialsPlacements[ partialId ][ i ]; if ( partialPlacement ) { partialPlacement.addedContent = content; } else { partialPlacement = new Placement( { partial: pending.partial, addedContent: content } ); } return partialPlacement; } ); pending.deferred.resolveWith( pending.partial, [ placementsContents ] ); } } ); self._pendingPartialRequests = {}; } ); request.fail( function( data, statusText ) { /* * Ignore failures caused by partial.currentRequest.abort() * The pending deferreds will remain in self._pendingPartialRequests * for re-use with the next request. */ if ( 'abort' === statusText ) { return; } _.each( self._pendingPartialRequests, function( pending, partialId ) { pending.deferred.rejectWith( pending.partial, [ data, partialsPlacements[ partialId ] ] ); } ); self._pendingPartialRequests = {}; } ); }, api.settings.timeouts.selectiveRefresh ); return partialRequest.deferred.promise(); }; /** * Add partials for any nav menu container elements in the document. * * This method may be called multiple times. Containers that already have been * seen will be skipped. * * @since 4.5.0 * * @param {jQuery|HTMLElement} [rootElement] * @param {object} [options] * @param {boolean=true} [options.triggerRendered] */ self.addPartials = function( rootElement, options ) { var containerElements; if ( ! rootElement ) { rootElement = document.documentElement; } rootElement = $( rootElement ); options = _.extend( { triggerRendered: true }, options || {} ); containerElements = rootElement.find( '[data-customize-partial-id]' ); if ( rootElement.is( '[data-customize-partial-id]' ) ) { containerElements = containerElements.add( rootElement ); } containerElements.each( function() { var containerElement = $( this ), partial, placement, id, Constructor, partialOptions, containerContext; id = containerElement.data( 'customize-partial-id' ); if ( ! id ) { return; } containerContext = containerElement.data( 'customize-partial-placement-context' ) || {}; partial = self.partial( id ); if ( ! partial ) { partialOptions = containerElement.data( 'customize-partial-options' ) || {}; partialOptions.constructingContainerContext = containerElement.data( 'customize-partial-placement-context' ) || {}; Constructor = self.partialConstructor[ containerElement.data( 'customize-partial-type' ) ] || self.Partial; partial = new Constructor( id, partialOptions ); self.partial.add( partial ); } /* * Only trigger renders on (nested) partials that have been not been * handled yet. An example where this would apply is a nav menu * embedded inside of a navigation menu widget. When the widget's title * is updated, the entire widget will re-render and then the event * will be triggered for the nested nav menu to do any initialization. */ if ( options.triggerRendered && ! containerElement.data( 'customize-partial-content-rendered' ) ) { placement = new Placement( { partial: partial, context: containerContext, container: containerElement } ); $( placement.container ).attr( 'title', self.data.l10n.shiftClickToEdit ); partial.createEditShortcutForPlacement( placement ); /** * Announce when a partial's nested placement has been re-rendered. */ self.trigger( 'partial-content-rendered', placement ); } containerElement.data( 'customize-partial-content-rendered', true ); } ); }; api.bind( 'preview-ready', function() { var handleSettingChange, watchSettingChange, unwatchSettingChange; _.extend( self.data, _customizePartialRefreshExports ); // Create the partial JS models. _.each( self.data.partials, function( data, id ) { var Constructor, partial = self.partial( id ); if ( ! partial ) { Constructor = self.partialConstructor[ data.type ] || self.Partial; partial = new Constructor( id, _.extend( { params: data }, data ) // Inclusion of params alias is for back-compat for custom partials that expect to augment this property. ); self.partial.add( partial ); } else { _.extend( partial.params, data ); } } ); /** * Handle change to a setting. * * Note this is largely needed because adding a 'change' event handler to wp.customize * will only include the changed setting object as an argument, not including the * new value or the old value. * * @since 4.5.0 * @this {wp.customize.Setting} * * @param {*|null} newValue New value, or null if the setting was just removed. * @param {*|null} oldValue Old value, or null if the setting was just added. */ handleSettingChange = function( newValue, oldValue ) { var setting = this; self.partial.each( function( partial ) { if ( partial.isRelatedSetting( setting, newValue, oldValue ) ) { partial.refresh(); } } ); }; /** * Trigger the initial change for the added setting, and watch for changes. * * @since 4.5.0 * @this {wp.customize.Values} * * @param {wp.customize.Setting} setting */ watchSettingChange = function( setting ) { handleSettingChange.call( setting, setting(), null ); setting.bind( handleSettingChange ); }; /** * Trigger the final change for the removed setting, and unwatch for changes. * * @since 4.5.0 * @this {wp.customize.Values} * * @param {wp.customize.Setting} setting */ unwatchSettingChange = function( setting ) { handleSettingChange.call( setting, null, setting() ); setting.unbind( handleSettingChange ); }; api.bind( 'add', watchSettingChange ); api.bind( 'remove', unwatchSettingChange ); api.each( function( setting ) { setting.bind( handleSettingChange ); } ); // Add (dynamic) initial partials that are declared via data-* attributes. self.addPartials( document.documentElement, { triggerRendered: false } ); // Add new dynamic partials when the document changes. if ( 'undefined' !== typeof MutationObserver ) { self.mutationObserver = new MutationObserver( function( mutations ) { _.each( mutations, function( mutation ) { self.addPartials( $( mutation.target ) ); } ); } ); self.mutationObserver.observe( document.documentElement, { childList: true, subtree: true } ); } /** * Handle rendering of partials. * * @param {api.selectiveRefresh.Placement} placement */ api.selectiveRefresh.bind( 'partial-content-rendered', function( placement ) { if ( placement.container ) { self.addPartials( placement.container ); } } ); /** * Handle setting validities in partial refresh response. * * @param {object} data Response data. * @param {object} data.setting_validities Setting validities. */ api.selectiveRefresh.bind( 'render-partials-response', function handleSettingValiditiesResponse( data ) { if ( data.setting_validities ) { api.preview.send( 'selective-refresh-setting-validities', data.setting_validities ); } } ); api.preview.bind( 'edit-shortcut-visibility', function( visibility ) { api.selectiveRefresh.editShortcutVisibility.set( visibility ); } ); api.selectiveRefresh.editShortcutVisibility.bind( function( visibility ) { var body = $( document.body ), shouldAnimateHide; shouldAnimateHide = ( 'hidden' === visibility && body.hasClass( 'customize-partial-edit-shortcuts-shown' ) && ! body.hasClass( 'customize-partial-edit-shortcuts-hidden' ) ); body.toggleClass( 'customize-partial-edit-shortcuts-hidden', shouldAnimateHide ); body.toggleClass( 'customize-partial-edit-shortcuts-shown', 'visible' === visibility ); } ); api.preview.bind( 'active', function() { // Make all partials ready. self.partial.each( function( partial ) { partial.deferred.ready.resolve(); } ); // Make all partials added henceforth as ready upon add. self.partial.bind( 'add', function( partial ) { partial.deferred.ready.resolve(); } ); } ); } ); return self; }( jQuery, wp.customize ) );