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+/**
+ * @output wp-admin/js/customize-controls.js
+ */
+
+/* global _wpCustomizeHeader, _wpCustomizeBackground, _wpMediaViewsL10n, MediaElementPlayer, console, confirm */
+(function( exports, $ ){
+ var Container, focus, normalizedTransitionendEventName, api = wp.customize;
+
+ api.OverlayNotification = api.Notification.extend(/** @lends wp.customize.OverlayNotification.prototype */{
+
+ /**
+ * Whether the notification should show a loading spinner.
+ *
+ * @since 4.9.0
+ * @var {boolean}
+ */
+ loading: false,
+
+ /**
+ * A notification that is displayed in a full-screen overlay.
+ *
+ * @constructs wp.customize.OverlayNotification
+ * @augments wp.customize.Notification
+ *
+ * @since 4.9.0
+ *
+ * @param {string} code - Code.
+ * @param {object} params - Params.
+ */
+ initialize: function( code, params ) {
+ var notification = this;
+ api.Notification.prototype.initialize.call( notification, code, params );
+ notification.containerClasses += ' notification-overlay';
+ if ( notification.loading ) {
+ notification.containerClasses += ' notification-loading';
+ }
+ },
+
+ /**
+ * Render notification.
+ *
+ * @since 4.9.0
+ *
+ * @return {jQuery} Notification container.
+ */
+ render: function() {
+ var li = api.Notification.prototype.render.call( this );
+ li.on( 'keydown', _.bind( this.handleEscape, this ) );
+ return li;
+ },
+
+ /**
+ * Stop propagation on escape key presses, but also dismiss notification if it is dismissible.
+ *
+ * @since 4.9.0
+ *
+ * @param {jQuery.Event} event - Event.
+ * @returns {void}
+ */
+ handleEscape: function( event ) {
+ var notification = this;
+ if ( 27 === event.which ) {
+ event.stopPropagation();
+ if ( notification.dismissible && notification.parent ) {
+ notification.parent.remove( notification.code );
+ }
+ }
+ }
+ });
+
+ api.Notifications = api.Values.extend(/** @lends wp.customize.Notifications.prototype */{
+
+ /**
+ * Whether the alternative style should be used.
+ *
+ * @since 4.9.0
+ * @type {boolean}
+ */
+ alt: false,
+
+ /**
+ * The default constructor for items of the collection.
+ *
+ * @since 4.9.0
+ * @type {object}
+ */
+ defaultConstructor: api.Notification,
+
+ /**
+ * A collection of observable notifications.
+ *
+ * @since 4.9.0
+ *
+ * @constructs wp.customize.Notifications
+ * @augments wp.customize.Values
+ *
+ * @param {object} options - Options.
+ * @param {jQuery} [options.container] - Container element for notifications. This can be injected later.
+ * @param {boolean} [options.alt] - Whether alternative style should be used when rendering notifications.
+ *
+ * @returns {void}
+ */
+ initialize: function( options ) {
+ var collection = this;
+
+ api.Values.prototype.initialize.call( collection, options );
+
+ _.bindAll( collection, 'constrainFocus' );
+
+ // Keep track of the order in which the notifications were added for sorting purposes.
+ collection._addedIncrement = 0;
+ collection._addedOrder = {};
+
+ // Trigger change event when notification is added or removed.
+ collection.bind( 'add', function( notification ) {
+ collection.trigger( 'change', notification );
+ });
+ collection.bind( 'removed', function( notification ) {
+ collection.trigger( 'change', notification );
+ });
+ },
+
+ /**
+ * Get the number of notifications added.
+ *
+ * @since 4.9.0
+ * @return {number} Count of notifications.
+ */
+ count: function() {
+ return _.size( this._value );
+ },
+
+ /**
+ * Add notification to the collection.
+ *
+ * @since 4.9.0
+ *
+ * @param {string|wp.customize.Notification} notification - Notification object to add. Alternatively code may be supplied, and in that case the second notificationObject argument must be supplied.
+ * @param {wp.customize.Notification} [notificationObject] - Notification to add when first argument is the code string.
+ * @returns {wp.customize.Notification} Added notification (or existing instance if it was already added).
+ */
+ add: function( notification, notificationObject ) {
+ var collection = this, code, instance;
+ if ( 'string' === typeof notification ) {
+ code = notification;
+ instance = notificationObject;
+ } else {
+ code = notification.code;
+ instance = notification;
+ }
+ if ( ! collection.has( code ) ) {
+ collection._addedIncrement += 1;
+ collection._addedOrder[ code ] = collection._addedIncrement;
+ }
+ return api.Values.prototype.add.call( collection, code, instance );
+ },
+
+ /**
+ * Add notification to the collection.
+ *
+ * @since 4.9.0
+ * @param {string} code - Notification code to remove.
+ * @return {api.Notification} Added instance (or existing instance if it was already added).
+ */
+ remove: function( code ) {
+ var collection = this;
+ delete collection._addedOrder[ code ];
+ return api.Values.prototype.remove.call( this, code );
+ },
+
+ /**
+ * Get list of notifications.
+ *
+ * Notifications may be sorted by type followed by added time.
+ *
+ * @since 4.9.0
+ * @param {object} args - Args.
+ * @param {boolean} [args.sort=false] - Whether to return the notifications sorted.
+ * @return {Array.<wp.customize.Notification>} Notifications.
+ */
+ get: function( args ) {
+ var collection = this, notifications, errorTypePriorities, params;
+ notifications = _.values( collection._value );
+
+ params = _.extend(
+ { sort: false },
+ args
+ );
+
+ if ( params.sort ) {
+ errorTypePriorities = { error: 4, warning: 3, success: 2, info: 1 };
+ notifications.sort( function( a, b ) {
+ var aPriority = 0, bPriority = 0;
+ if ( ! _.isUndefined( errorTypePriorities[ a.type ] ) ) {
+ aPriority = errorTypePriorities[ a.type ];
+ }
+ if ( ! _.isUndefined( errorTypePriorities[ b.type ] ) ) {
+ bPriority = errorTypePriorities[ b.type ];
+ }
+ if ( aPriority !== bPriority ) {
+ return bPriority - aPriority; // Show errors first.
+ }
+ return collection._addedOrder[ b.code ] - collection._addedOrder[ a.code ]; // Show newer notifications higher.
+ });
+ }
+
+ return notifications;
+ },
+
+ /**
+ * Render notifications area.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ render: function() {
+ var collection = this,
+ notifications, hadOverlayNotification = false, hasOverlayNotification, overlayNotifications = [],
+ previousNotificationsByCode = {},
+ listElement, focusableElements;
+
+ // Short-circuit if there are no container to render into.
+ if ( ! collection.container || ! collection.container.length ) {
+ return;
+ }
+
+ notifications = collection.get( { sort: true } );
+ collection.container.toggle( 0 !== notifications.length );
+
+ // Short-circuit if there are no changes to the notifications.
+ if ( collection.container.is( collection.previousContainer ) && _.isEqual( notifications, collection.previousNotifications ) ) {
+ return;
+ }
+
+ // Make sure list is part of the container.
+ listElement = collection.container.children( 'ul' ).first();
+ if ( ! listElement.length ) {
+ listElement = $( '<ul></ul>' );
+ collection.container.append( listElement );
+ }
+
+ // Remove all notifications prior to re-rendering.
+ listElement.find( '> [data-code]' ).remove();
+
+ _.each( collection.previousNotifications, function( notification ) {
+ previousNotificationsByCode[ notification.code ] = notification;
+ });
+
+ // Add all notifications in the sorted order.
+ _.each( notifications, function( notification ) {
+ var notificationContainer;
+ if ( wp.a11y && ( ! previousNotificationsByCode[ notification.code ] || ! _.isEqual( notification.message, previousNotificationsByCode[ notification.code ].message ) ) ) {
+ wp.a11y.speak( notification.message, 'assertive' );
+ }
+ notificationContainer = $( notification.render() );
+ notification.container = notificationContainer;
+ listElement.append( notificationContainer ); // @todo Consider slideDown() as enhancement.
+
+ if ( notification.extended( api.OverlayNotification ) ) {
+ overlayNotifications.push( notification );
+ }
+ });
+ hasOverlayNotification = Boolean( overlayNotifications.length );
+
+ if ( collection.previousNotifications ) {
+ hadOverlayNotification = Boolean( _.find( collection.previousNotifications, function( notification ) {
+ return notification.extended( api.OverlayNotification );
+ } ) );
+ }
+
+ if ( hasOverlayNotification !== hadOverlayNotification ) {
+ $( document.body ).toggleClass( 'customize-loading', hasOverlayNotification );
+ collection.container.toggleClass( 'has-overlay-notifications', hasOverlayNotification );
+ if ( hasOverlayNotification ) {
+ collection.previousActiveElement = document.activeElement;
+ $( document ).on( 'keydown', collection.constrainFocus );
+ } else {
+ $( document ).off( 'keydown', collection.constrainFocus );
+ }
+ }
+
+ if ( hasOverlayNotification ) {
+ collection.focusContainer = overlayNotifications[ overlayNotifications.length - 1 ].container;
+ collection.focusContainer.prop( 'tabIndex', -1 );
+ focusableElements = collection.focusContainer.find( ':focusable' );
+ if ( focusableElements.length ) {
+ focusableElements.first().focus();
+ } else {
+ collection.focusContainer.focus();
+ }
+ } else if ( collection.previousActiveElement ) {
+ $( collection.previousActiveElement ).focus();
+ collection.previousActiveElement = null;
+ }
+
+ collection.previousNotifications = notifications;
+ collection.previousContainer = collection.container;
+ collection.trigger( 'rendered' );
+ },
+
+ /**
+ * Constrain focus on focus container.
+ *
+ * @since 4.9.0
+ *
+ * @param {jQuery.Event} event - Event.
+ * @returns {void}
+ */
+ constrainFocus: function constrainFocus( event ) {
+ var collection = this, focusableElements;
+
+ // Prevent keys from escaping.
+ event.stopPropagation();
+
+ if ( 9 !== event.which ) { // Tab key.
+ return;
+ }
+
+ focusableElements = collection.focusContainer.find( ':focusable' );
+ if ( 0 === focusableElements.length ) {
+ focusableElements = collection.focusContainer;
+ }
+
+ if ( ! $.contains( collection.focusContainer[0], event.target ) || ! $.contains( collection.focusContainer[0], document.activeElement ) ) {
+ event.preventDefault();
+ focusableElements.first().focus();
+ } else if ( focusableElements.last().is( event.target ) && ! event.shiftKey ) {
+ event.preventDefault();
+ focusableElements.first().focus();
+ } else if ( focusableElements.first().is( event.target ) && event.shiftKey ) {
+ event.preventDefault();
+ focusableElements.last().focus();
+ }
+ }
+ });
+
+ api.Setting = api.Value.extend(/** @lends wp.customize.Setting.prototype */{
+
+ /**
+ * Default params.
+ *
+ * @since 4.9.0
+ * @var {object}
+ */
+ defaults: {
+ transport: 'refresh',
+ dirty: false
+ },
+
+ /**
+ * A Customizer Setting.
+ *
+ * A setting is WordPress data (theme mod, option, menu, etc.) that the user can
+ * draft changes to in the Customizer.
+ *
+ * @see PHP class WP_Customize_Setting.
+ *
+ * @constructs wp.customize.Setting
+ * @augments wp.customize.Value
+ *
+ * @since 3.4.0
+ *
+ * @param {string} id - The setting ID.
+ * @param {*} value - The initial value of the setting.
+ * @param {object} [options={}] - Options.
+ * @param {string} [options.transport=refresh] - The transport to use for previewing. Supports 'refresh' and 'postMessage'.
+ * @param {boolean} [options.dirty=false] - Whether the setting should be considered initially dirty.
+ * @param {object} [options.previewer] - The Previewer instance to sync with. Defaults to wp.customize.previewer.
+ */
+ initialize: function( id, value, options ) {
+ var setting = this, params;
+ params = _.extend(
+ { previewer: api.previewer },
+ setting.defaults,
+ options || {}
+ );
+
+ api.Value.prototype.initialize.call( setting, value, params );
+
+ setting.id = id;
+ setting._dirty = params.dirty; // The _dirty property is what the Customizer reads from.
+ setting.notifications = new api.Notifications();
+
+ // Whenever the setting's value changes, refresh the preview.
+ setting.bind( setting.preview );
+ },
+
+ /**
+ * Refresh the preview, respective of the setting's refresh policy.
+ *
+ * If the preview hasn't sent a keep-alive message and is likely
+ * disconnected by having navigated to a non-allowed URL, then the
+ * refresh transport will be forced when postMessage is the transport.
+ * Note that postMessage does not throw an error when the recipient window
+ * fails to match the origin window, so using try/catch around the
+ * previewer.send() call to then fallback to refresh will not work.
+ *
+ * @since 3.4.0
+ * @access public
+ *
+ * @returns {void}
+ */
+ preview: function() {
+ var setting = this, transport;
+ transport = setting.transport;
+
+ if ( 'postMessage' === transport && ! api.state( 'previewerAlive' ).get() ) {
+ transport = 'refresh';
+ }
+
+ if ( 'postMessage' === transport ) {
+ setting.previewer.send( 'setting', [ setting.id, setting() ] );
+ } else if ( 'refresh' === transport ) {
+ setting.previewer.refresh();
+ }
+ },
+
+ /**
+ * Find controls associated with this setting.
+ *
+ * @since 4.6.0
+ * @returns {wp.customize.Control[]} Controls associated with setting.
+ */
+ findControls: function() {
+ var setting = this, controls = [];
+ api.control.each( function( control ) {
+ _.each( control.settings, function( controlSetting ) {
+ if ( controlSetting.id === setting.id ) {
+ controls.push( control );
+ }
+ } );
+ } );
+ return controls;
+ }
+ });
+
+ /**
+ * Current change count.
+ *
+ * @alias wp.customize._latestRevision
+ *
+ * @since 4.7.0
+ * @type {number}
+ * @protected
+ */
+ api._latestRevision = 0;
+
+ /**
+ * Last revision that was saved.
+ *
+ * @alias wp.customize._lastSavedRevision
+ *
+ * @since 4.7.0
+ * @type {number}
+ * @protected
+ */
+ api._lastSavedRevision = 0;
+
+ /**
+ * Latest revisions associated with the updated setting.
+ *
+ * @alias wp.customize._latestSettingRevisions
+ *
+ * @since 4.7.0
+ * @type {object}
+ * @protected
+ */
+ api._latestSettingRevisions = {};
+
+ /*
+ * Keep track of the revision associated with each updated setting so that
+ * requestChangesetUpdate knows which dirty settings to include. Also, once
+ * ready is triggered and all initial settings have been added, increment
+ * revision for each newly-created initially-dirty setting so that it will
+ * also be included in changeset update requests.
+ */
+ api.bind( 'change', function incrementChangedSettingRevision( setting ) {
+ api._latestRevision += 1;
+ api._latestSettingRevisions[ setting.id ] = api._latestRevision;
+ } );
+ api.bind( 'ready', function() {
+ api.bind( 'add', function incrementCreatedSettingRevision( setting ) {
+ if ( setting._dirty ) {
+ api._latestRevision += 1;
+ api._latestSettingRevisions[ setting.id ] = api._latestRevision;
+ }
+ } );
+ } );
+
+ /**
+ * Get the dirty setting values.
+ *
+ * @alias wp.customize.dirtyValues
+ *
+ * @since 4.7.0
+ * @access public
+ *
+ * @param {object} [options] Options.
+ * @param {boolean} [options.unsaved=false] Whether only values not saved yet into a changeset will be returned (differential changes).
+ * @returns {object} Dirty setting values.
+ */
+ api.dirtyValues = function dirtyValues( options ) {
+ var values = {};
+ api.each( function( setting ) {
+ var settingRevision;
+
+ if ( ! setting._dirty ) {
+ return;
+ }
+
+ settingRevision = api._latestSettingRevisions[ setting.id ];
+
+ // Skip including settings that have already been included in the changeset, if only requesting unsaved.
+ if ( api.state( 'changesetStatus' ).get() && ( options && options.unsaved ) && ( _.isUndefined( settingRevision ) || settingRevision <= api._lastSavedRevision ) ) {
+ return;
+ }
+
+ values[ setting.id ] = setting.get();
+ } );
+ return values;
+ };
+
+ /**
+ * Request updates to the changeset.
+ *
+ * @alias wp.customize.requestChangesetUpdate
+ *
+ * @since 4.7.0
+ * @access public
+ *
+ * @param {object} [changes] - Mapping of setting IDs to setting params each normally including a value property, or mapping to null.
+ * If not provided, then the changes will still be obtained from unsaved dirty settings.
+ * @param {object} [args] - Additional options for the save request.
+ * @param {boolean} [args.autosave=false] - Whether changes will be stored in autosave revision if the changeset has been promoted from an auto-draft.
+ * @param {boolean} [args.force=false] - Send request to update even when there are no changes to submit. This can be used to request the latest status of the changeset on the server.
+ * @param {string} [args.title] - Title to update in the changeset. Optional.
+ * @param {string} [args.date] - Date to update in the changeset. Optional.
+ * @returns {jQuery.Promise} Promise resolving with the response data.
+ */
+ api.requestChangesetUpdate = function requestChangesetUpdate( changes, args ) {
+ var deferred, request, submittedChanges = {}, data, submittedArgs;
+ deferred = new $.Deferred();
+
+ // Prevent attempting changeset update while request is being made.
+ if ( 0 !== api.state( 'processing' ).get() ) {
+ deferred.reject( 'already_processing' );
+ return deferred.promise();
+ }
+
+ submittedArgs = _.extend( {
+ title: null,
+ date: null,
+ autosave: false,
+ force: false
+ }, args );
+
+ if ( changes ) {
+ _.extend( submittedChanges, changes );
+ }
+
+ // Ensure all revised settings (changes pending save) are also included, but not if marked for deletion in changes.
+ _.each( api.dirtyValues( { unsaved: true } ), function( dirtyValue, settingId ) {
+ if ( ! changes || null !== changes[ settingId ] ) {
+ submittedChanges[ settingId ] = _.extend(
+ {},
+ submittedChanges[ settingId ] || {},
+ { value: dirtyValue }
+ );
+ }
+ } );
+
+ // Allow plugins to attach additional params to the settings.
+ api.trigger( 'changeset-save', submittedChanges, submittedArgs );
+
+ // Short-circuit when there are no pending changes.
+ if ( ! submittedArgs.force && _.isEmpty( submittedChanges ) && null === submittedArgs.title && null === submittedArgs.date ) {
+ deferred.resolve( {} );
+ return deferred.promise();
+ }
+
+ // A status would cause a revision to be made, and for this wp.customize.previewer.save() should be used. Status is also disallowed for revisions regardless.
+ if ( submittedArgs.status ) {
+ return deferred.reject( { code: 'illegal_status_in_changeset_update' } ).promise();
+ }
+
+ // Dates not beung allowed for revisions are is a technical limitation of post revisions.
+ if ( submittedArgs.date && submittedArgs.autosave ) {
+ return deferred.reject( { code: 'illegal_autosave_with_date_gmt' } ).promise();
+ }
+
+ // Make sure that publishing a changeset waits for all changeset update requests to complete.
+ api.state( 'processing' ).set( api.state( 'processing' ).get() + 1 );
+ deferred.always( function() {
+ api.state( 'processing' ).set( api.state( 'processing' ).get() - 1 );
+ } );
+
+ // Ensure that if any plugins add data to save requests by extending query() that they get included here.
+ data = api.previewer.query( { excludeCustomizedSaved: true } );
+ delete data.customized; // Being sent in customize_changeset_data instead.
+ _.extend( data, {
+ nonce: api.settings.nonce.save,
+ customize_theme: api.settings.theme.stylesheet,
+ customize_changeset_data: JSON.stringify( submittedChanges )
+ } );
+ if ( null !== submittedArgs.title ) {
+ data.customize_changeset_title = submittedArgs.title;
+ }
+ if ( null !== submittedArgs.date ) {
+ data.customize_changeset_date = submittedArgs.date;
+ }
+ if ( false !== submittedArgs.autosave ) {
+ data.customize_changeset_autosave = 'true';
+ }
+
+ // Allow plugins to modify the params included with the save request.
+ api.trigger( 'save-request-params', data );
+
+ request = wp.ajax.post( 'customize_save', data );
+
+ request.done( function requestChangesetUpdateDone( data ) {
+ var savedChangesetValues = {};
+
+ // Ensure that all settings updated subsequently will be included in the next changeset update request.
+ api._lastSavedRevision = Math.max( api._latestRevision, api._lastSavedRevision );
+
+ api.state( 'changesetStatus' ).set( data.changeset_status );
+
+ if ( data.changeset_date ) {
+ api.state( 'changesetDate' ).set( data.changeset_date );
+ }
+
+ deferred.resolve( data );
+ api.trigger( 'changeset-saved', data );
+
+ if ( data.setting_validities ) {
+ _.each( data.setting_validities, function( validity, settingId ) {
+ if ( true === validity && _.isObject( submittedChanges[ settingId ] ) && ! _.isUndefined( submittedChanges[ settingId ].value ) ) {
+ savedChangesetValues[ settingId ] = submittedChanges[ settingId ].value;
+ }
+ } );
+ }
+
+ api.previewer.send( 'changeset-saved', _.extend( {}, data, { saved_changeset_values: savedChangesetValues } ) );
+ } );
+ request.fail( function requestChangesetUpdateFail( data ) {
+ deferred.reject( data );
+ api.trigger( 'changeset-error', data );
+ } );
+ request.always( function( data ) {
+ if ( data.setting_validities ) {
+ api._handleSettingValidities( {
+ settingValidities: data.setting_validities
+ } );
+ }
+ } );
+
+ return deferred.promise();
+ };
+
+ /**
+ * Watch all changes to Value properties, and bubble changes to parent Values instance
+ *
+ * @alias wp.customize.utils.bubbleChildValueChanges
+ *
+ * @since 4.1.0
+ *
+ * @param {wp.customize.Class} instance
+ * @param {Array} properties The names of the Value instances to watch.
+ */
+ api.utils.bubbleChildValueChanges = function ( instance, properties ) {
+ $.each( properties, function ( i, key ) {
+ instance[ key ].bind( function ( to, from ) {
+ if ( instance.parent && to !== from ) {
+ instance.parent.trigger( 'change', instance );
+ }
+ } );
+ } );
+ };
+
+ /**
+ * Expand a panel, section, or control and focus on the first focusable element.
+ *
+ * @alias wp.customize~focus
+ *
+ * @since 4.1.0
+ *
+ * @param {Object} [params]
+ * @param {Function} [params.completeCallback]
+ */
+ focus = function ( params ) {
+ var construct, completeCallback, focus, focusElement;
+ construct = this;
+ params = params || {};
+ focus = function () {
+ var focusContainer;
+ if ( ( construct.extended( api.Panel ) || construct.extended( api.Section ) ) && construct.expanded && construct.expanded() ) {
+ focusContainer = construct.contentContainer;
+ } else {
+ focusContainer = construct.container;
+ }
+
+ focusElement = focusContainer.find( '.control-focus:first' );
+ if ( 0 === focusElement.length ) {
+ // Note that we can't use :focusable due to a jQuery UI issue. See: https://github.com/jquery/jquery-ui/pull/1583
+ focusElement = focusContainer.find( 'input, select, textarea, button, object, a[href], [tabindex]' ).filter( ':visible' ).first();
+ }
+ focusElement.focus();
+ };
+ if ( params.completeCallback ) {
+ completeCallback = params.completeCallback;
+ params.completeCallback = function () {
+ focus();
+ completeCallback();
+ };
+ } else {
+ params.completeCallback = focus;
+ }
+
+ api.state( 'paneVisible' ).set( true );
+ if ( construct.expand ) {
+ construct.expand( params );
+ } else {
+ params.completeCallback();
+ }
+ };
+
+ /**
+ * Stable sort for Panels, Sections, and Controls.
+ *
+ * If a.priority() === b.priority(), then sort by their respective params.instanceNumber.
+ *
+ * @alias wp.customize.utils.prioritySort
+ *
+ * @since 4.1.0
+ *
+ * @param {(wp.customize.Panel|wp.customize.Section|wp.customize.Control)} a
+ * @param {(wp.customize.Panel|wp.customize.Section|wp.customize.Control)} b
+ * @returns {Number}
+ */
+ api.utils.prioritySort = function ( a, b ) {
+ if ( a.priority() === b.priority() && typeof a.params.instanceNumber === 'number' && typeof b.params.instanceNumber === 'number' ) {
+ return a.params.instanceNumber - b.params.instanceNumber;
+ } else {
+ return a.priority() - b.priority();
+ }
+ };
+
+ /**
+ * Return whether the supplied Event object is for a keydown event but not the Enter key.
+ *
+ * @alias wp.customize.utils.isKeydownButNotEnterEvent
+ *
+ * @since 4.1.0
+ *
+ * @param {jQuery.Event} event
+ * @returns {boolean}
+ */
+ api.utils.isKeydownButNotEnterEvent = function ( event ) {
+ return ( 'keydown' === event.type && 13 !== event.which );
+ };
+
+ /**
+ * Return whether the two lists of elements are the same and are in the same order.
+ *
+ * @alias wp.customize.utils.areElementListsEqual
+ *
+ * @since 4.1.0
+ *
+ * @param {Array|jQuery} listA
+ * @param {Array|jQuery} listB
+ * @returns {boolean}
+ */
+ api.utils.areElementListsEqual = function ( listA, listB ) {
+ var equal = (
+ listA.length === listB.length && // if lists are different lengths, then naturally they are not equal
+ -1 === _.indexOf( _.map( // are there any false values in the list returned by map?
+ _.zip( listA, listB ), // pair up each element between the two lists
+ function ( pair ) {
+ return $( pair[0] ).is( pair[1] ); // compare to see if each pair are equal
+ }
+ ), false ) // check for presence of false in map's return value
+ );
+ return equal;
+ };
+
+ /**
+ * Highlight the existence of a button.
+ *
+ * This function reminds the user of a button represented by the specified
+ * UI element, after an optional delay. If the user focuses the element
+ * before the delay passes, the reminder is canceled.
+ *
+ * @alias wp.customize.utils.highlightButton
+ *
+ * @since 4.9.0
+ *
+ * @param {jQuery} button - The element to highlight.
+ * @param {object} [options] - Options.
+ * @param {number} [options.delay=0] - Delay in milliseconds.
+ * @param {jQuery} [options.focusTarget] - A target for user focus that defaults to the highlighted element.
+ * If the user focuses the target before the delay passes, the reminder
+ * is canceled. This option exists to accommodate compound buttons
+ * containing auxiliary UI, such as the Publish button augmented with a
+ * Settings button.
+ * @returns {Function} An idempotent function that cancels the reminder.
+ */
+ api.utils.highlightButton = function highlightButton( button, options ) {
+ var animationClass = 'button-see-me',
+ canceled = false,
+ params;
+
+ params = _.extend(
+ {
+ delay: 0,
+ focusTarget: button
+ },
+ options
+ );
+
+ function cancelReminder() {
+ canceled = true;
+ }
+
+ params.focusTarget.on( 'focusin', cancelReminder );
+ setTimeout( function() {
+ params.focusTarget.off( 'focusin', cancelReminder );
+
+ if ( ! canceled ) {
+ button.addClass( animationClass );
+ button.one( 'animationend', function() {
+ /*
+ * Remove animation class to avoid situations in Customizer where
+ * DOM nodes are moved (re-inserted) and the animation repeats.
+ */
+ button.removeClass( animationClass );
+ } );
+ }
+ }, params.delay );
+
+ return cancelReminder;
+ };
+
+ /**
+ * Get current timestamp adjusted for server clock time.
+ *
+ * Same functionality as the `current_time( 'mysql', false )` function in PHP.
+ *
+ * @alias wp.customize.utils.getCurrentTimestamp
+ *
+ * @since 4.9.0
+ *
+ * @returns {int} Current timestamp.
+ */
+ api.utils.getCurrentTimestamp = function getCurrentTimestamp() {
+ var currentDate, currentClientTimestamp, timestampDifferential;
+ currentClientTimestamp = _.now();
+ currentDate = new Date( api.settings.initialServerDate.replace( /-/g, '/' ) );
+ timestampDifferential = currentClientTimestamp - api.settings.initialClientTimestamp;
+ timestampDifferential += api.settings.initialClientTimestamp - api.settings.initialServerTimestamp;
+ currentDate.setTime( currentDate.getTime() + timestampDifferential );
+ return currentDate.getTime();
+ };
+
+ /**
+ * Get remaining time of when the date is set.
+ *
+ * @alias wp.customize.utils.getRemainingTime
+ *
+ * @since 4.9.0
+ *
+ * @param {string|int|Date} datetime - Date time or timestamp of the future date.
+ * @return {int} remainingTime - Remaining time in milliseconds.
+ */
+ api.utils.getRemainingTime = function getRemainingTime( datetime ) {
+ var millisecondsDivider = 1000, remainingTime, timestamp;
+ if ( datetime instanceof Date ) {
+ timestamp = datetime.getTime();
+ } else if ( 'string' === typeof datetime ) {
+ timestamp = ( new Date( datetime.replace( /-/g, '/' ) ) ).getTime();
+ } else {
+ timestamp = datetime;
+ }
+
+ remainingTime = timestamp - api.utils.getCurrentTimestamp();
+ remainingTime = Math.ceil( remainingTime / millisecondsDivider );
+ return remainingTime;
+ };
+
+ /**
+ * Return browser supported `transitionend` event name.
+ *
+ * @since 4.7.0
+ *
+ * @ignore
+ *
+ * @returns {string|null} Normalized `transitionend` event name or null if CSS transitions are not supported.
+ */
+ normalizedTransitionendEventName = (function () {
+ var el, transitions, prop;
+ el = document.createElement( 'div' );
+ transitions = {
+ 'transition' : 'transitionend',
+ 'OTransition' : 'oTransitionEnd',
+ 'MozTransition' : 'transitionend',
+ 'WebkitTransition': 'webkitTransitionEnd'
+ };
+ prop = _.find( _.keys( transitions ), function( prop ) {
+ return ! _.isUndefined( el.style[ prop ] );
+ } );
+ if ( prop ) {
+ return transitions[ prop ];
+ } else {
+ return null;
+ }
+ })();
+
+ Container = api.Class.extend(/** @lends wp.customize~Container.prototype */{
+ defaultActiveArguments: { duration: 'fast', completeCallback: $.noop },
+ defaultExpandedArguments: { duration: 'fast', completeCallback: $.noop },
+ containerType: 'container',
+ defaults: {
+ title: '',
+ description: '',
+ priority: 100,
+ type: 'default',
+ content: null,
+ active: true,
+ instanceNumber: null
+ },
+
+ /**
+ * Base class for Panel and Section.
+ *
+ * @constructs wp.customize~Container
+ * @augments wp.customize.Class
+ *
+ * @since 4.1.0
+ *
+ * @borrows wp.customize~focus as focus
+ *
+ * @param {string} id - The ID for the container.
+ * @param {object} options - Object containing one property: params.
+ * @param {string} options.title - Title shown when panel is collapsed and expanded.
+ * @param {string} [options.description] - Description shown at the top of the panel.
+ * @param {number} [options.priority=100] - The sort priority for the panel.
+ * @param {string} [options.templateId] - Template selector for container.
+ * @param {string} [options.type=default] - The type of the panel. See wp.customize.panelConstructor.
+ * @param {string} [options.content] - The markup to be used for the panel container. If empty, a JS template is used.
+ * @param {boolean} [options.active=true] - Whether the panel is active or not.
+ * @param {object} [options.params] - Deprecated wrapper for the above properties.
+ */
+ initialize: function ( id, options ) {
+ var container = this;
+ container.id = id;
+
+ if ( ! Container.instanceCounter ) {
+ Container.instanceCounter = 0;
+ }
+ Container.instanceCounter++;
+
+ $.extend( container, {
+ params: _.defaults(
+ options.params || options, // Passing the params is deprecated.
+ container.defaults
+ )
+ } );
+ if ( ! container.params.instanceNumber ) {
+ container.params.instanceNumber = Container.instanceCounter;
+ }
+ container.notifications = new api.Notifications();
+ container.templateSelector = container.params.templateId || 'customize-' + container.containerType + '-' + container.params.type;
+ container.container = $( container.params.content );
+ if ( 0 === container.container.length ) {
+ container.container = $( container.getContainer() );
+ }
+ container.headContainer = container.container;
+ container.contentContainer = container.getContent();
+ container.container = container.container.add( container.contentContainer );
+
+ container.deferred = {
+ embedded: new $.Deferred()
+ };
+ container.priority = new api.Value();
+ container.active = new api.Value();
+ container.activeArgumentsQueue = [];
+ container.expanded = new api.Value();
+ container.expandedArgumentsQueue = [];
+
+ container.active.bind( function ( active ) {
+ var args = container.activeArgumentsQueue.shift();
+ args = $.extend( {}, container.defaultActiveArguments, args );
+ active = ( active && container.isContextuallyActive() );
+ container.onChangeActive( active, args );
+ });
+ container.expanded.bind( function ( expanded ) {
+ var args = container.expandedArgumentsQueue.shift();
+ args = $.extend( {}, container.defaultExpandedArguments, args );
+ container.onChangeExpanded( expanded, args );
+ });
+
+ container.deferred.embedded.done( function () {
+ container.setupNotifications();
+ container.attachEvents();
+ });
+
+ api.utils.bubbleChildValueChanges( container, [ 'priority', 'active' ] );
+
+ container.priority.set( container.params.priority );
+ container.active.set( container.params.active );
+ container.expanded.set( false );
+ },
+
+ /**
+ * Get the element that will contain the notifications.
+ *
+ * @since 4.9.0
+ * @returns {jQuery} Notification container element.
+ */
+ getNotificationsContainerElement: function() {
+ var container = this;
+ return container.contentContainer.find( '.customize-control-notifications-container:first' );
+ },
+
+ /**
+ * Set up notifications.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ setupNotifications: function() {
+ var container = this, renderNotifications;
+ container.notifications.container = container.getNotificationsContainerElement();
+
+ // Render notifications when they change and when the construct is expanded.
+ renderNotifications = function() {
+ if ( container.expanded.get() ) {
+ container.notifications.render();
+ }
+ };
+ container.expanded.bind( renderNotifications );
+ renderNotifications();
+ container.notifications.bind( 'change', _.debounce( renderNotifications ) );
+ },
+
+ /**
+ * @since 4.1.0
+ *
+ * @abstract
+ */
+ ready: function() {},
+
+ /**
+ * Get the child models associated with this parent, sorting them by their priority Value.
+ *
+ * @since 4.1.0
+ *
+ * @param {String} parentType
+ * @param {String} childType
+ * @returns {Array}
+ */
+ _children: function ( parentType, childType ) {
+ var parent = this,
+ children = [];
+ api[ childType ].each( function ( child ) {
+ if ( child[ parentType ].get() === parent.id ) {
+ children.push( child );
+ }
+ } );
+ children.sort( api.utils.prioritySort );
+ return children;
+ },
+
+ /**
+ * To override by subclass, to return whether the container has active children.
+ *
+ * @since 4.1.0
+ *
+ * @abstract
+ */
+ isContextuallyActive: function () {
+ throw new Error( 'Container.isContextuallyActive() must be overridden in a subclass.' );
+ },
+
+ /**
+ * Active state change handler.
+ *
+ * Shows the container if it is active, hides it if not.
+ *
+ * To override by subclass, update the container's UI to reflect the provided active state.
+ *
+ * @since 4.1.0
+ *
+ * @param {boolean} active - The active state to transiution to.
+ * @param {Object} [args] - Args.
+ * @param {Object} [args.duration] - The duration for the slideUp/slideDown animation.
+ * @param {boolean} [args.unchanged] - Whether the state is already known to not be changed, and so short-circuit with calling completeCallback early.
+ * @param {Function} [args.completeCallback] - Function to call when the slideUp/slideDown has completed.
+ */
+ onChangeActive: function( active, args ) {
+ var construct = this,
+ headContainer = construct.headContainer,
+ duration, expandedOtherPanel;
+
+ if ( args.unchanged ) {
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ return;
+ }
+
+ duration = ( 'resolved' === api.previewer.deferred.active.state() ? args.duration : 0 );
+
+ if ( construct.extended( api.Panel ) ) {
+ // If this is a panel is not currently expanded but another panel is expanded, do not animate.
+ api.panel.each(function ( panel ) {
+ if ( panel !== construct && panel.expanded() ) {
+ expandedOtherPanel = panel;
+ duration = 0;
+ }
+ });
+
+ // Collapse any expanded sections inside of this panel first before deactivating.
+ if ( ! active ) {
+ _.each( construct.sections(), function( section ) {
+ section.collapse( { duration: 0 } );
+ } );
+ }
+ }
+
+ if ( ! $.contains( document, headContainer.get( 0 ) ) ) {
+ // If the element is not in the DOM, then jQuery.fn.slideUp() does nothing. In this case, a hard toggle is required instead.
+ headContainer.toggle( active );
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ } else if ( active ) {
+ headContainer.slideDown( duration, args.completeCallback );
+ } else {
+ if ( construct.expanded() ) {
+ construct.collapse({
+ duration: duration,
+ completeCallback: function() {
+ headContainer.slideUp( duration, args.completeCallback );
+ }
+ });
+ } else {
+ headContainer.slideUp( duration, args.completeCallback );
+ }
+ }
+ },
+
+ /**
+ * @since 4.1.0
+ *
+ * @params {Boolean} active
+ * @param {Object} [params]
+ * @returns {Boolean} false if state already applied
+ */
+ _toggleActive: function ( active, params ) {
+ var self = this;
+ params = params || {};
+ if ( ( active && this.active.get() ) || ( ! active && ! this.active.get() ) ) {
+ params.unchanged = true;
+ self.onChangeActive( self.active.get(), params );
+ return false;
+ } else {
+ params.unchanged = false;
+ this.activeArgumentsQueue.push( params );
+ this.active.set( active );
+ return true;
+ }
+ },
+
+ /**
+ * @param {Object} [params]
+ * @returns {Boolean} false if already active
+ */
+ activate: function ( params ) {
+ return this._toggleActive( true, params );
+ },
+
+ /**
+ * @param {Object} [params]
+ * @returns {Boolean} false if already inactive
+ */
+ deactivate: function ( params ) {
+ return this._toggleActive( false, params );
+ },
+
+ /**
+ * To override by subclass, update the container's UI to reflect the provided active state.
+ * @abstract
+ */
+ onChangeExpanded: function () {
+ throw new Error( 'Must override with subclass.' );
+ },
+
+ /**
+ * Handle the toggle logic for expand/collapse.
+ *
+ * @param {Boolean} expanded - The new state to apply.
+ * @param {Object} [params] - Object containing options for expand/collapse.
+ * @param {Function} [params.completeCallback] - Function to call when expansion/collapse is complete.
+ * @returns {Boolean} false if state already applied or active state is false
+ */
+ _toggleExpanded: function( expanded, params ) {
+ var instance = this, previousCompleteCallback;
+ params = params || {};
+ previousCompleteCallback = params.completeCallback;
+
+ // Short-circuit expand() if the instance is not active.
+ if ( expanded && ! instance.active() ) {
+ return false;
+ }
+
+ api.state( 'paneVisible' ).set( true );
+ params.completeCallback = function() {
+ if ( previousCompleteCallback ) {
+ previousCompleteCallback.apply( instance, arguments );
+ }
+ if ( expanded ) {
+ instance.container.trigger( 'expanded' );
+ } else {
+ instance.container.trigger( 'collapsed' );
+ }
+ };
+ if ( ( expanded && instance.expanded.get() ) || ( ! expanded && ! instance.expanded.get() ) ) {
+ params.unchanged = true;
+ instance.onChangeExpanded( instance.expanded.get(), params );
+ return false;
+ } else {
+ params.unchanged = false;
+ instance.expandedArgumentsQueue.push( params );
+ instance.expanded.set( expanded );
+ return true;
+ }
+ },
+
+ /**
+ * @param {Object} [params]
+ * @returns {Boolean} false if already expanded or if inactive.
+ */
+ expand: function ( params ) {
+ return this._toggleExpanded( true, params );
+ },
+
+ /**
+ * @param {Object} [params]
+ * @returns {Boolean} false if already collapsed.
+ */
+ collapse: function ( params ) {
+ return this._toggleExpanded( false, params );
+ },
+
+ /**
+ * Animate container state change if transitions are supported by the browser.
+ *
+ * @since 4.7.0
+ * @private
+ *
+ * @param {function} completeCallback Function to be called after transition is completed.
+ * @returns {void}
+ */
+ _animateChangeExpanded: function( completeCallback ) {
+ // Return if CSS transitions are not supported.
+ if ( ! normalizedTransitionendEventName ) {
+ if ( completeCallback ) {
+ completeCallback();
+ }
+ return;
+ }
+
+ var construct = this,
+ content = construct.contentContainer,
+ overlay = content.closest( '.wp-full-overlay' ),
+ elements, transitionEndCallback, transitionParentPane;
+
+ // Determine set of elements that are affected by the animation.
+ elements = overlay.add( content );
+
+ if ( ! construct.panel || '' === construct.panel() ) {
+ transitionParentPane = true;
+ } else if ( api.panel( construct.panel() ).contentContainer.hasClass( 'skip-transition' ) ) {
+ transitionParentPane = true;
+ } else {
+ transitionParentPane = false;
+ }
+ if ( transitionParentPane ) {
+ elements = elements.add( '#customize-info, .customize-pane-parent' );
+ }
+
+ // Handle `transitionEnd` event.
+ transitionEndCallback = function( e ) {
+ if ( 2 !== e.eventPhase || ! $( e.target ).is( content ) ) {
+ return;
+ }
+ content.off( normalizedTransitionendEventName, transitionEndCallback );
+ elements.removeClass( 'busy' );
+ if ( completeCallback ) {
+ completeCallback();
+ }
+ };
+ content.on( normalizedTransitionendEventName, transitionEndCallback );
+ elements.addClass( 'busy' );
+
+ // Prevent screen flicker when pane has been scrolled before expanding.
+ _.defer( function() {
+ var container = content.closest( '.wp-full-overlay-sidebar-content' ),
+ currentScrollTop = container.scrollTop(),
+ previousScrollTop = content.data( 'previous-scrollTop' ) || 0,
+ expanded = construct.expanded();
+
+ if ( expanded && 0 < currentScrollTop ) {
+ content.css( 'top', currentScrollTop + 'px' );
+ content.data( 'previous-scrollTop', currentScrollTop );
+ } else if ( ! expanded && 0 < currentScrollTop + previousScrollTop ) {
+ content.css( 'top', previousScrollTop - currentScrollTop + 'px' );
+ container.scrollTop( previousScrollTop );
+ }
+ } );
+ },
+
+ /*
+ * is documented using @borrows in the constructor.
+ */
+ focus: focus,
+
+ /**
+ * Return the container html, generated from its JS template, if it exists.
+ *
+ * @since 4.3.0
+ */
+ getContainer: function () {
+ var template,
+ container = this;
+
+ if ( 0 !== $( '#tmpl-' + container.templateSelector ).length ) {
+ template = wp.template( container.templateSelector );
+ } else {
+ template = wp.template( 'customize-' + container.containerType + '-default' );
+ }
+ if ( template && container.container ) {
+ return $.trim( template( _.extend(
+ { id: container.id },
+ container.params
+ ) ) );
+ }
+
+ return '<li></li>';
+ },
+
+ /**
+ * Find content element which is displayed when the section is expanded.
+ *
+ * After a construct is initialized, the return value will be available via the `contentContainer` property.
+ * By default the element will be related it to the parent container with `aria-owns` and detached.
+ * Custom panels and sections (such as the `NewMenuSection`) that do not have a sliding pane should
+ * just return the content element without needing to add the `aria-owns` element or detach it from
+ * the container. Such non-sliding pane custom sections also need to override the `onChangeExpanded`
+ * method to handle animating the panel/section into and out of view.
+ *
+ * @since 4.7.0
+ * @access public
+ *
+ * @returns {jQuery} Detached content element.
+ */
+ getContent: function() {
+ var construct = this,
+ container = construct.container,
+ content = container.find( '.accordion-section-content, .control-panel-content' ).first(),
+ contentId = 'sub-' + container.attr( 'id' ),
+ ownedElements = contentId,
+ alreadyOwnedElements = container.attr( 'aria-owns' );
+
+ if ( alreadyOwnedElements ) {
+ ownedElements = ownedElements + ' ' + alreadyOwnedElements;
+ }
+ container.attr( 'aria-owns', ownedElements );
+
+ return content.detach().attr( {
+ 'id': contentId,
+ 'class': 'customize-pane-child ' + content.attr( 'class' ) + ' ' + container.attr( 'class' )
+ } );
+ }
+ });
+
+ api.Section = Container.extend(/** @lends wp.customize.Section.prototype */{
+ containerType: 'section',
+ containerParent: '#customize-theme-controls',
+ containerPaneParent: '.customize-pane-parent',
+ defaults: {
+ title: '',
+ description: '',
+ priority: 100,
+ type: 'default',
+ content: null,
+ active: true,
+ instanceNumber: null,
+ panel: null,
+ customizeAction: ''
+ },
+
+ /**
+ * @constructs wp.customize.Section
+ * @augments wp.customize~Container
+ *
+ * @since 4.1.0
+ *
+ * @param {string} id - The ID for the section.
+ * @param {object} options - Options.
+ * @param {string} options.title - Title shown when section is collapsed and expanded.
+ * @param {string} [options.description] - Description shown at the top of the section.
+ * @param {number} [options.priority=100] - The sort priority for the section.
+ * @param {string} [options.type=default] - The type of the section. See wp.customize.sectionConstructor.
+ * @param {string} [options.content] - The markup to be used for the section container. If empty, a JS template is used.
+ * @param {boolean} [options.active=true] - Whether the section is active or not.
+ * @param {string} options.panel - The ID for the panel this section is associated with.
+ * @param {string} [options.customizeAction] - Additional context information shown before the section title when expanded.
+ * @param {object} [options.params] - Deprecated wrapper for the above properties.
+ */
+ initialize: function ( id, options ) {
+ var section = this, params;
+ params = options.params || options;
+
+ // Look up the type if one was not supplied.
+ if ( ! params.type ) {
+ _.find( api.sectionConstructor, function( Constructor, type ) {
+ if ( Constructor === section.constructor ) {
+ params.type = type;
+ return true;
+ }
+ return false;
+ } );
+ }
+
+ Container.prototype.initialize.call( section, id, params );
+
+ section.id = id;
+ section.panel = new api.Value();
+ section.panel.bind( function ( id ) {
+ $( section.headContainer ).toggleClass( 'control-subsection', !! id );
+ });
+ section.panel.set( section.params.panel || '' );
+ api.utils.bubbleChildValueChanges( section, [ 'panel' ] );
+
+ section.embed();
+ section.deferred.embedded.done( function () {
+ section.ready();
+ });
+ },
+
+ /**
+ * Embed the container in the DOM when any parent panel is ready.
+ *
+ * @since 4.1.0
+ */
+ embed: function () {
+ var inject,
+ section = this;
+
+ section.containerParent = api.ensure( section.containerParent );
+
+ // Watch for changes to the panel state.
+ inject = function ( panelId ) {
+ var parentContainer;
+ if ( panelId ) {
+ // The panel has been supplied, so wait until the panel object is registered.
+ api.panel( panelId, function ( panel ) {
+ // The panel has been registered, wait for it to become ready/initialized.
+ panel.deferred.embedded.done( function () {
+ parentContainer = panel.contentContainer;
+ if ( ! section.headContainer.parent().is( parentContainer ) ) {
+ parentContainer.append( section.headContainer );
+ }
+ if ( ! section.contentContainer.parent().is( section.headContainer ) ) {
+ section.containerParent.append( section.contentContainer );
+ }
+ section.deferred.embedded.resolve();
+ });
+ } );
+ } else {
+ // There is no panel, so embed the section in the root of the customizer
+ parentContainer = api.ensure( section.containerPaneParent );
+ if ( ! section.headContainer.parent().is( parentContainer ) ) {
+ parentContainer.append( section.headContainer );
+ }
+ if ( ! section.contentContainer.parent().is( section.headContainer ) ) {
+ section.containerParent.append( section.contentContainer );
+ }
+ section.deferred.embedded.resolve();
+ }
+ };
+ section.panel.bind( inject );
+ inject( section.panel.get() ); // Since a section may never get a panel, assume that it won't ever get one.
+ },
+
+ /**
+ * Add behaviors for the accordion section.
+ *
+ * @since 4.1.0
+ */
+ attachEvents: function () {
+ var meta, content, section = this;
+
+ if ( section.container.hasClass( 'cannot-expand' ) ) {
+ return;
+ }
+
+ // Expand/Collapse accordion sections on click.
+ section.container.find( '.accordion-section-title, .customize-section-back' ).on( 'click keydown', function( event ) {
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+ event.preventDefault(); // Keep this AFTER the key filter above
+
+ if ( section.expanded() ) {
+ section.collapse();
+ } else {
+ section.expand();
+ }
+ });
+
+ // This is very similar to what is found for api.Panel.attachEvents().
+ section.container.find( '.customize-section-title .customize-help-toggle' ).on( 'click', function() {
+
+ meta = section.container.find( '.section-meta' );
+ if ( meta.hasClass( 'cannot-expand' ) ) {
+ return;
+ }
+ content = meta.find( '.customize-section-description:first' );
+ content.toggleClass( 'open' );
+ content.slideToggle( section.defaultExpandedArguments.duration, function() {
+ content.trigger( 'toggled' );
+ } );
+ $( this ).attr( 'aria-expanded', function( i, attr ) {
+ return 'true' === attr ? 'false' : 'true';
+ });
+ });
+ },
+
+ /**
+ * Return whether this section has any active controls.
+ *
+ * @since 4.1.0
+ *
+ * @returns {Boolean}
+ */
+ isContextuallyActive: function () {
+ var section = this,
+ controls = section.controls(),
+ activeCount = 0;
+ _( controls ).each( function ( control ) {
+ if ( control.active() ) {
+ activeCount += 1;
+ }
+ } );
+ return ( activeCount !== 0 );
+ },
+
+ /**
+ * Get the controls that are associated with this section, sorted by their priority Value.
+ *
+ * @since 4.1.0
+ *
+ * @returns {Array}
+ */
+ controls: function () {
+ return this._children( 'section', 'control' );
+ },
+
+ /**
+ * Update UI to reflect expanded state.
+ *
+ * @since 4.1.0
+ *
+ * @param {Boolean} expanded
+ * @param {Object} args
+ */
+ onChangeExpanded: function ( expanded, args ) {
+ var section = this,
+ container = section.headContainer.closest( '.wp-full-overlay-sidebar-content' ),
+ content = section.contentContainer,
+ overlay = section.headContainer.closest( '.wp-full-overlay' ),
+ backBtn = content.find( '.customize-section-back' ),
+ sectionTitle = section.headContainer.find( '.accordion-section-title' ).first(),
+ expand, panel;
+
+ if ( expanded && ! content.hasClass( 'open' ) ) {
+
+ if ( args.unchanged ) {
+ expand = args.completeCallback;
+ } else {
+ expand = $.proxy( function() {
+ section._animateChangeExpanded( function() {
+ sectionTitle.attr( 'tabindex', '-1' );
+ backBtn.attr( 'tabindex', '0' );
+
+ backBtn.focus();
+ content.css( 'top', '' );
+ container.scrollTop( 0 );
+
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ } );
+
+ content.addClass( 'open' );
+ overlay.addClass( 'section-open' );
+ api.state( 'expandedSection' ).set( section );
+ }, this );
+ }
+
+ if ( ! args.allowMultiple ) {
+ api.section.each( function ( otherSection ) {
+ if ( otherSection !== section ) {
+ otherSection.collapse( { duration: args.duration } );
+ }
+ });
+ }
+
+ if ( section.panel() ) {
+ api.panel( section.panel() ).expand({
+ duration: args.duration,
+ completeCallback: expand
+ });
+ } else {
+ if ( ! args.allowMultiple ) {
+ api.panel.each( function( panel ) {
+ panel.collapse();
+ });
+ }
+ expand();
+ }
+
+ } else if ( ! expanded && content.hasClass( 'open' ) ) {
+ if ( section.panel() ) {
+ panel = api.panel( section.panel() );
+ if ( panel.contentContainer.hasClass( 'skip-transition' ) ) {
+ panel.collapse();
+ }
+ }
+ section._animateChangeExpanded( function() {
+ backBtn.attr( 'tabindex', '-1' );
+ sectionTitle.attr( 'tabindex', '0' );
+
+ sectionTitle.focus();
+ content.css( 'top', '' );
+
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ } );
+
+ content.removeClass( 'open' );
+ overlay.removeClass( 'section-open' );
+ if ( section === api.state( 'expandedSection' ).get() ) {
+ api.state( 'expandedSection' ).set( false );
+ }
+
+ } else {
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ }
+ }
+ });
+
+ api.ThemesSection = api.Section.extend(/** @lends wp.customize.ThemesSection.prototype */{
+ currentTheme: '',
+ overlay: '',
+ template: '',
+ screenshotQueue: null,
+ $window: null,
+ $body: null,
+ loaded: 0,
+ loading: false,
+ fullyLoaded: false,
+ term: '',
+ tags: '',
+ nextTerm: '',
+ nextTags: '',
+ filtersHeight: 0,
+ headerContainer: null,
+ updateCountDebounced: null,
+
+ /**
+ * wp.customize.ThemesSection
+ *
+ * Custom section for themes that loads themes by category, and also
+ * handles the theme-details view rendering and navigation.
+ *
+ * @constructs wp.customize.ThemesSection
+ * @augments wp.customize.Section
+ *
+ * @since 4.9.0
+ *
+ * @param {string} id - ID.
+ * @param {object} options - Options.
+ * @returns {void}
+ */
+ initialize: function( id, options ) {
+ var section = this;
+ section.headerContainer = $();
+ section.$window = $( window );
+ section.$body = $( document.body );
+ api.Section.prototype.initialize.call( section, id, options );
+ section.updateCountDebounced = _.debounce( section.updateCount, 500 );
+ },
+
+ /**
+ * Embed the section in the DOM when the themes panel is ready.
+ *
+ * Insert the section before the themes container. Assume that a themes section is within a panel, but not necessarily the themes panel.
+ *
+ * @since 4.9.0
+ */
+ embed: function() {
+ var inject,
+ section = this;
+
+ // Watch for changes to the panel state
+ inject = function( panelId ) {
+ var parentContainer;
+ api.panel( panelId, function( panel ) {
+
+ // The panel has been registered, wait for it to become ready/initialized
+ panel.deferred.embedded.done( function() {
+ parentContainer = panel.contentContainer;
+ if ( ! section.headContainer.parent().is( parentContainer ) ) {
+ parentContainer.find( '.customize-themes-full-container-container' ).before( section.headContainer );
+ }
+ if ( ! section.contentContainer.parent().is( section.headContainer ) ) {
+ section.containerParent.append( section.contentContainer );
+ }
+ section.deferred.embedded.resolve();
+ });
+ } );
+ };
+ section.panel.bind( inject );
+ inject( section.panel.get() ); // Since a section may never get a panel, assume that it won't ever get one
+ },
+
+ /**
+ * Set up.
+ *
+ * @since 4.2.0
+ *
+ * @returns {void}
+ */
+ ready: function() {
+ var section = this;
+ section.overlay = section.container.find( '.theme-overlay' );
+ section.template = wp.template( 'customize-themes-details-view' );
+
+ // Bind global keyboard events.
+ section.container.on( 'keydown', function( event ) {
+ if ( ! section.overlay.find( '.theme-wrap' ).is( ':visible' ) ) {
+ return;
+ }
+
+ // Pressing the right arrow key fires a theme:next event
+ if ( 39 === event.keyCode ) {
+ section.nextTheme();
+ }
+
+ // Pressing the left arrow key fires a theme:previous event
+ if ( 37 === event.keyCode ) {
+ section.previousTheme();
+ }
+
+ // Pressing the escape key fires a theme:collapse event
+ if ( 27 === event.keyCode ) {
+ if ( section.$body.hasClass( 'modal-open' ) ) {
+
+ // Escape from the details modal.
+ section.closeDetails();
+ } else {
+
+ // Escape from the inifinite scroll list.
+ section.headerContainer.find( '.customize-themes-section-title' ).focus();
+ }
+ event.stopPropagation(); // Prevent section from being collapsed.
+ }
+ });
+
+ section.renderScreenshots = _.throttle( section.renderScreenshots, 100 );
+
+ _.bindAll( section, 'renderScreenshots', 'loadMore', 'checkTerm', 'filtersChecked' );
+ },
+
+ /**
+ * Override Section.isContextuallyActive method.
+ *
+ * Ignore the active states' of the contained theme controls, and just
+ * use the section's own active state instead. This prevents empty search
+ * results for theme sections from causing the section to become inactive.
+ *
+ * @since 4.2.0
+ *
+ * @returns {Boolean}
+ */
+ isContextuallyActive: function () {
+ return this.active();
+ },
+
+ /**
+ * Attach events.
+ *
+ * @since 4.2.0
+ *
+ * @returns {void}
+ */
+ attachEvents: function () {
+ var section = this, debounced;
+
+ // Expand/Collapse accordion sections on click.
+ section.container.find( '.customize-section-back' ).on( 'click keydown', function( event ) {
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+ event.preventDefault(); // Keep this AFTER the key filter above
+ section.collapse();
+ });
+
+ section.headerContainer = $( '#accordion-section-' + section.id );
+
+ // Expand section/panel. Only collapse when opening another section.
+ section.headerContainer.on( 'click', '.customize-themes-section-title', function() {
+
+ // Toggle accordion filters under section headers.
+ if ( section.headerContainer.find( '.filter-details' ).length ) {
+ section.headerContainer.find( '.customize-themes-section-title' )
+ .toggleClass( 'details-open' )
+ .attr( 'aria-expanded', function( i, attr ) {
+ return 'true' === attr ? 'false' : 'true';
+ });
+ section.headerContainer.find( '.filter-details' ).slideToggle( 180 );
+ }
+
+ // Open the section.
+ if ( ! section.expanded() ) {
+ section.expand();
+ }
+ });
+
+ // Preview installed themes.
+ section.container.on( 'click', '.theme-actions .preview-theme', function() {
+ api.panel( 'themes' ).loadThemePreview( $( this ).data( 'slug' ) );
+ });
+
+ // Theme navigation in details view.
+ section.container.on( 'click', '.left', function() {
+ section.previousTheme();
+ });
+
+ section.container.on( 'click', '.right', function() {
+ section.nextTheme();
+ });
+
+ section.container.on( 'click', '.theme-backdrop, .close', function() {
+ section.closeDetails();
+ });
+
+ if ( 'local' === section.params.filter_type ) {
+
+ // Filter-search all theme objects loaded in the section.
+ section.container.on( 'input', '.wp-filter-search-themes', function( event ) {
+ section.filterSearch( event.currentTarget.value );
+ });
+
+ } else if ( 'remote' === section.params.filter_type ) {
+
+ // Event listeners for remote queries with user-entered terms.
+ // Search terms.
+ debounced = _.debounce( section.checkTerm, 500 ); // Wait until there is no input for 500 milliseconds to initiate a search.
+ section.contentContainer.on( 'input', '.wp-filter-search', function() {
+ if ( ! api.panel( 'themes' ).expanded() ) {
+ return;
+ }
+ debounced( section );
+ if ( ! section.expanded() ) {
+ section.expand();
+ }
+ });
+
+ // Feature filters.
+ section.contentContainer.on( 'click', '.filter-group input', function() {
+ section.filtersChecked();
+ section.checkTerm( section );
+ });
+ }
+
+ // Toggle feature filters.
+ section.contentContainer.on( 'click', '.feature-filter-toggle', function( e ) {
+ var $themeContainer = $( '.customize-themes-full-container' ),
+ $filterToggle = $( e.currentTarget );
+ section.filtersHeight = $filterToggle.parent().next( '.filter-drawer' ).height();
+
+ if ( 0 < $themeContainer.scrollTop() ) {
+ $themeContainer.animate( { scrollTop: 0 }, 400 );
+
+ if ( $filterToggle.hasClass( 'open' ) ) {
+ return;
+ }
+ }
+
+ $filterToggle
+ .toggleClass( 'open' )
+ .attr( 'aria-expanded', function( i, attr ) {
+ return 'true' === attr ? 'false' : 'true';
+ })
+ .parent().next( '.filter-drawer' ).slideToggle( 180, 'linear' );
+
+ if ( $filterToggle.hasClass( 'open' ) ) {
+ var marginOffset = 1018 < window.innerWidth ? 50 : 76;
+
+ section.contentContainer.find( '.themes' ).css( 'margin-top', section.filtersHeight + marginOffset );
+ } else {
+ section.contentContainer.find( '.themes' ).css( 'margin-top', 0 );
+ }
+ });
+
+ // Setup section cross-linking.
+ section.contentContainer.on( 'click', '.no-themes-local .search-dotorg-themes', function() {
+ api.section( 'wporg_themes' ).focus();
+ });
+
+ function updateSelectedState() {
+ var el = section.headerContainer.find( '.customize-themes-section-title' );
+ el.toggleClass( 'selected', section.expanded() );
+ el.attr( 'aria-expanded', section.expanded() ? 'true' : 'false' );
+ if ( ! section.expanded() ) {
+ el.removeClass( 'details-open' );
+ }
+ }
+ section.expanded.bind( updateSelectedState );
+ updateSelectedState();
+
+ // Move section controls to the themes area.
+ api.bind( 'ready', function () {
+ section.contentContainer = section.container.find( '.customize-themes-section' );
+ section.contentContainer.appendTo( $( '.customize-themes-full-container' ) );
+ section.container.add( section.headerContainer );
+ });
+ },
+
+ /**
+ * Update UI to reflect expanded state
+ *
+ * @since 4.2.0
+ *
+ * @param {Boolean} expanded
+ * @param {Object} args
+ * @param {Boolean} args.unchanged
+ * @param {Function} args.completeCallback
+ * @returns {void}
+ */
+ onChangeExpanded: function ( expanded, args ) {
+
+ // Note: there is a second argument 'args' passed
+ var section = this,
+ container = section.contentContainer.closest( '.customize-themes-full-container' );
+
+ // Immediately call the complete callback if there were no changes
+ if ( args.unchanged ) {
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ return;
+ }
+
+ function expand() {
+
+ // Try to load controls if none are loaded yet.
+ if ( 0 === section.loaded ) {
+ section.loadThemes();
+ }
+
+ // Collapse any sibling sections/panels
+ api.section.each( function ( otherSection ) {
+ var searchTerm;
+
+ if ( otherSection !== section ) {
+
+ // Try to sync the current search term to the new section.
+ if ( 'themes' === otherSection.params.type ) {
+ searchTerm = otherSection.contentContainer.find( '.wp-filter-search' ).val();
+ section.contentContainer.find( '.wp-filter-search' ).val( searchTerm );
+
+ // Directly initialize an empty remote search to avoid a race condition.
+ if ( '' === searchTerm && '' !== section.term && 'local' !== section.params.filter_type ) {
+ section.term = '';
+ section.initializeNewQuery( section.term, section.tags );
+ } else {
+ if ( 'remote' === section.params.filter_type ) {
+ section.checkTerm( section );
+ } else if ( 'local' === section.params.filter_type ) {
+ section.filterSearch( searchTerm );
+ }
+ }
+ otherSection.collapse( { duration: args.duration } );
+ }
+ }
+ });
+
+ section.contentContainer.addClass( 'current-section' );
+ container.scrollTop();
+
+ container.on( 'scroll', _.throttle( section.renderScreenshots, 300 ) );
+ container.on( 'scroll', _.throttle( section.loadMore, 300 ) );
+
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ section.updateCount(); // Show this section's count.
+ }
+
+ if ( expanded ) {
+ if ( section.panel() && api.panel.has( section.panel() ) ) {
+ api.panel( section.panel() ).expand({
+ duration: args.duration,
+ completeCallback: expand
+ });
+ } else {
+ expand();
+ }
+ } else {
+ section.contentContainer.removeClass( 'current-section' );
+
+ // Always hide, even if they don't exist or are already hidden.
+ section.headerContainer.find( '.filter-details' ).slideUp( 180 );
+
+ container.off( 'scroll' );
+
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ }
+ },
+
+ /**
+ * Return the section's content element without detaching from the parent.
+ *
+ * @since 4.9.0
+ *
+ * @returns {jQuery}
+ */
+ getContent: function() {
+ return this.container.find( '.control-section-content' );
+ },
+
+ /**
+ * Load theme data via Ajax and add themes to the section as controls.
+ *
+ * @since 4.9.0
+ *
+ * @returns {void}
+ */
+ loadThemes: function() {
+ var section = this, params, page, request;
+
+ if ( section.loading ) {
+ return; // We're already loading a batch of themes.
+ }
+
+ // Parameters for every API query. Additional params are set in PHP.
+ page = Math.ceil( section.loaded / 100 ) + 1;
+ params = {
+ 'nonce': api.settings.nonce.switch_themes,
+ 'wp_customize': 'on',
+ 'theme_action': section.params.action,
+ 'customized_theme': api.settings.theme.stylesheet,
+ 'page': page
+ };
+
+ // Add fields for remote filtering.
+ if ( 'remote' === section.params.filter_type ) {
+ params.search = section.term;
+ params.tags = section.tags;
+ }
+
+ // Load themes.
+ section.headContainer.closest( '.wp-full-overlay' ).addClass( 'loading' );
+ section.loading = true;
+ section.container.find( '.no-themes' ).hide();
+ request = wp.ajax.post( 'customize_load_themes', params );
+ request.done(function( data ) {
+ var themes = data.themes;
+
+ // Stop and try again if the term changed while loading.
+ if ( '' !== section.nextTerm || '' !== section.nextTags ) {
+ if ( section.nextTerm ) {
+ section.term = section.nextTerm;
+ }
+ if ( section.nextTags ) {
+ section.tags = section.nextTags;
+ }
+ section.nextTerm = '';
+ section.nextTags = '';
+ section.loading = false;
+ section.loadThemes();
+ return;
+ }
+
+ if ( 0 !== themes.length ) {
+
+ section.loadControls( themes, page );
+
+ if ( 1 === page ) {
+
+ // Pre-load the first 3 theme screenshots.
+ _.each( section.controls().slice( 0, 3 ), function( control ) {
+ var img, src = control.params.theme.screenshot[0];
+ if ( src ) {
+ img = new Image();
+ img.src = src;
+ }
+ });
+ if ( 'local' !== section.params.filter_type ) {
+ wp.a11y.speak( api.settings.l10n.themeSearchResults.replace( '%d', data.info.results ) );
+ }
+ }
+
+ _.delay( section.renderScreenshots, 100 ); // Wait for the controls to become visible.
+
+ if ( 'local' === section.params.filter_type || 100 > themes.length ) { // If we have less than the requested 100 themes, it's the end of the list.
+ section.fullyLoaded = true;
+ }
+ } else {
+ if ( 0 === section.loaded ) {
+ section.container.find( '.no-themes' ).show();
+ wp.a11y.speak( section.container.find( '.no-themes' ).text() );
+ } else {
+ section.fullyLoaded = true;
+ }
+ }
+ if ( 'local' === section.params.filter_type ) {
+ section.updateCount(); // Count of visible theme controls.
+ } else {
+ section.updateCount( data.info.results ); // Total number of results including pages not yet loaded.
+ }
+ section.container.find( '.unexpected-error' ).hide(); // Hide error notice in case it was previously shown.
+
+ // This cannot run on request.always, as section.loading may turn false before the new controls load in the success case.
+ section.headContainer.closest( '.wp-full-overlay' ).removeClass( 'loading' );
+ section.loading = false;
+ });
+ request.fail(function( data ) {
+ if ( 'undefined' === typeof data ) {
+ section.container.find( '.unexpected-error' ).show();
+ wp.a11y.speak( section.container.find( '.unexpected-error' ).text() );
+ } else if ( 'undefined' !== typeof console && console.error ) {
+ console.error( data );
+ }
+
+ // This cannot run on request.always, as section.loading may turn false before the new controls load in the success case.
+ section.headContainer.closest( '.wp-full-overlay' ).removeClass( 'loading' );
+ section.loading = false;
+ });
+ },
+
+ /**
+ * Loads controls into the section from data received from loadThemes().
+ *
+ * @since 4.9.0
+ * @param {Array} themes - Array of theme data to create controls with.
+ * @param {integer} page - Page of results being loaded.
+ * @returns {void}
+ */
+ loadControls: function( themes, page ) {
+ var newThemeControls = [],
+ section = this;
+
+ // Add controls for each theme.
+ _.each( themes, function( theme ) {
+ var themeControl = new api.controlConstructor.theme( section.params.action + '_theme_' + theme.id, {
+ type: 'theme',
+ section: section.params.id,
+ theme: theme,
+ priority: section.loaded + 1
+ } );
+
+ api.control.add( themeControl );
+ newThemeControls.push( themeControl );
+ section.loaded = section.loaded + 1;
+ });
+
+ if ( 1 !== page ) {
+ Array.prototype.push.apply( section.screenshotQueue, newThemeControls ); // Add new themes to the screenshot queue.
+ }
+ },
+
+ /**
+ * Determines whether more themes should be loaded, and loads them.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ loadMore: function() {
+ var section = this, container, bottom, threshold;
+ if ( ! section.fullyLoaded && ! section.loading ) {
+ container = section.container.closest( '.customize-themes-full-container' );
+
+ bottom = container.scrollTop() + container.height();
+ threshold = container.prop( 'scrollHeight' ) - 3000; // Use a fixed distance to the bottom of loaded results to avoid unnecessarily loading results sooner when using a percentage of scroll distance.
+
+ if ( bottom > threshold ) {
+ section.loadThemes();
+ }
+ }
+ },
+
+ /**
+ * Event handler for search input that filters visible controls.
+ *
+ * @since 4.9.0
+ *
+ * @param {string} term - The raw search input value.
+ * @returns {void}
+ */
+ filterSearch: function( term ) {
+ var count = 0,
+ visible = false,
+ section = this,
+ noFilter = ( api.section.has( 'wporg_themes' ) && 'remote' !== section.params.filter_type ) ? '.no-themes-local' : '.no-themes',
+ controls = section.controls(),
+ terms;
+
+ if ( section.loading ) {
+ return;
+ }
+
+ // Standardize search term format and split into an array of individual words.
+ terms = term.toLowerCase().trim().replace( /-/g, ' ' ).split( ' ' );
+
+ _.each( controls, function( control ) {
+ visible = control.filter( terms ); // Shows/hides and sorts control based on the applicability of the search term.
+ if ( visible ) {
+ count = count + 1;
+ }
+ });
+
+ if ( 0 === count ) {
+ section.container.find( noFilter ).show();
+ wp.a11y.speak( section.container.find( noFilter ).text() );
+ } else {
+ section.container.find( noFilter ).hide();
+ }
+
+ section.renderScreenshots();
+ api.reflowPaneContents();
+
+ // Update theme count.
+ section.updateCountDebounced( count );
+ },
+
+ /**
+ * Event handler for search input that determines if the terms have changed and loads new controls as needed.
+ *
+ * @since 4.9.0
+ *
+ * @param {wp.customize.ThemesSection} section - The current theme section, passed through the debouncer.
+ * @returns {void}
+ */
+ checkTerm: function( section ) {
+ var newTerm;
+ if ( 'remote' === section.params.filter_type ) {
+ newTerm = section.contentContainer.find( '.wp-filter-search' ).val();
+ if ( section.term !== newTerm.trim() ) {
+ section.initializeNewQuery( newTerm, section.tags );
+ }
+ }
+ },
+
+ /**
+ * Check for filters checked in the feature filter list and initialize a new query.
+ *
+ * @since 4.9.0
+ *
+ * @returns {void}
+ */
+ filtersChecked: function() {
+ var section = this,
+ items = section.container.find( '.filter-group' ).find( ':checkbox' ),
+ tags = [];
+
+ _.each( items.filter( ':checked' ), function( item ) {
+ tags.push( $( item ).prop( 'value' ) );
+ });
+
+ // When no filters are checked, restore initial state. Update filter count.
+ if ( 0 === tags.length ) {
+ tags = '';
+ section.contentContainer.find( '.feature-filter-toggle .filter-count-0' ).show();
+ section.contentContainer.find( '.feature-filter-toggle .filter-count-filters' ).hide();
+ } else {
+ section.contentContainer.find( '.feature-filter-toggle .theme-filter-count' ).text( tags.length );
+ section.contentContainer.find( '.feature-filter-toggle .filter-count-0' ).hide();
+ section.contentContainer.find( '.feature-filter-toggle .filter-count-filters' ).show();
+ }
+
+ // Check whether tags have changed, and either load or queue them.
+ if ( ! _.isEqual( section.tags, tags ) ) {
+ if ( section.loading ) {
+ section.nextTags = tags;
+ } else {
+ if ( 'remote' === section.params.filter_type ) {
+ section.initializeNewQuery( section.term, tags );
+ } else if ( 'local' === section.params.filter_type ) {
+ section.filterSearch( tags.join( ' ' ) );
+ }
+ }
+ }
+ },
+
+ /**
+ * Reset the current query and load new results.
+ *
+ * @since 4.9.0
+ *
+ * @param {string} newTerm - New term.
+ * @param {Array} newTags - New tags.
+ * @returns {void}
+ */
+ initializeNewQuery: function( newTerm, newTags ) {
+ var section = this;
+
+ // Clear the controls in the section.
+ _.each( section.controls(), function( control ) {
+ control.container.remove();
+ api.control.remove( control.id );
+ });
+ section.loaded = 0;
+ section.fullyLoaded = false;
+ section.screenshotQueue = null;
+
+ // Run a new query, with loadThemes handling paging, etc.
+ if ( ! section.loading ) {
+ section.term = newTerm;
+ section.tags = newTags;
+ section.loadThemes();
+ } else {
+ section.nextTerm = newTerm; // This will reload from loadThemes() with the newest term once the current batch is loaded.
+ section.nextTags = newTags; // This will reload from loadThemes() with the newest tags once the current batch is loaded.
+ }
+ if ( ! section.expanded() ) {
+ section.expand(); // Expand the section if it isn't expanded.
+ }
+ },
+
+ /**
+ * Render control's screenshot if the control comes into view.
+ *
+ * @since 4.2.0
+ *
+ * @returns {void}
+ */
+ renderScreenshots: function() {
+ var section = this;
+
+ // Fill queue initially, or check for more if empty.
+ if ( null === section.screenshotQueue || 0 === section.screenshotQueue.length ) {
+
+ // Add controls that haven't had their screenshots rendered.
+ section.screenshotQueue = _.filter( section.controls(), function( control ) {
+ return ! control.screenshotRendered;
+ });
+ }
+
+ // Are all screenshots rendered (for now)?
+ if ( ! section.screenshotQueue.length ) {
+ return;
+ }
+
+ section.screenshotQueue = _.filter( section.screenshotQueue, function( control ) {
+ var $imageWrapper = control.container.find( '.theme-screenshot' ),
+ $image = $imageWrapper.find( 'img' );
+
+ if ( ! $image.length ) {
+ return false;
+ }
+
+ if ( $image.is( ':hidden' ) ) {
+ return true;
+ }
+
+ // Based on unveil.js.
+ var wt = section.$window.scrollTop(),
+ wb = wt + section.$window.height(),
+ et = $image.offset().top,
+ ih = $imageWrapper.height(),
+ eb = et + ih,
+ threshold = ih * 3,
+ inView = eb >= wt - threshold && et <= wb + threshold;
+
+ if ( inView ) {
+ control.container.trigger( 'render-screenshot' );
+ }
+
+ // If the image is in view return false so it's cleared from the queue.
+ return ! inView;
+ } );
+ },
+
+ /**
+ * Get visible count.
+ *
+ * @since 4.9.0
+ *
+ * @returns {int} Visible count.
+ */
+ getVisibleCount: function() {
+ return this.contentContainer.find( 'li.customize-control:visible' ).length;
+ },
+
+ /**
+ * Update the number of themes in the section.
+ *
+ * @since 4.9.0
+ *
+ * @returns {void}
+ */
+ updateCount: function( count ) {
+ var section = this, countEl, displayed;
+
+ if ( ! count && 0 !== count ) {
+ count = section.getVisibleCount();
+ }
+
+ displayed = section.contentContainer.find( '.themes-displayed' );
+ countEl = section.contentContainer.find( '.theme-count' );
+
+ if ( 0 === count ) {
+ countEl.text( '0' );
+ } else {
+
+ // Animate the count change for emphasis.
+ displayed.fadeOut( 180, function() {
+ countEl.text( count );
+ displayed.fadeIn( 180 );
+ } );
+ wp.a11y.speak( api.settings.l10n.announceThemeCount.replace( '%d', count ) );
+ }
+ },
+
+ /**
+ * Advance the modal to the next theme.
+ *
+ * @since 4.2.0
+ *
+ * @returns {void}
+ */
+ nextTheme: function () {
+ var section = this;
+ if ( section.getNextTheme() ) {
+ section.showDetails( section.getNextTheme(), function() {
+ section.overlay.find( '.right' ).focus();
+ } );
+ }
+ },
+
+ /**
+ * Get the next theme model.
+ *
+ * @since 4.2.0
+ *
+ * @returns {wp.customize.ThemeControl|boolean} Next theme.
+ */
+ getNextTheme: function () {
+ var section = this, control, nextControl, sectionControls, i;
+ control = api.control( section.params.action + '_theme_' + section.currentTheme );
+ sectionControls = section.controls();
+ i = _.indexOf( sectionControls, control );
+ if ( -1 === i ) {
+ return false;
+ }
+
+ nextControl = sectionControls[ i + 1 ];
+ if ( ! nextControl ) {
+ return false;
+ }
+ return nextControl.params.theme;
+ },
+
+ /**
+ * Advance the modal to the previous theme.
+ *
+ * @since 4.2.0
+ * @returns {void}
+ */
+ previousTheme: function () {
+ var section = this;
+ if ( section.getPreviousTheme() ) {
+ section.showDetails( section.getPreviousTheme(), function() {
+ section.overlay.find( '.left' ).focus();
+ } );
+ }
+ },
+
+ /**
+ * Get the previous theme model.
+ *
+ * @since 4.2.0
+ * @returns {wp.customize.ThemeControl|boolean} Previous theme.
+ */
+ getPreviousTheme: function () {
+ var section = this, control, nextControl, sectionControls, i;
+ control = api.control( section.params.action + '_theme_' + section.currentTheme );
+ sectionControls = section.controls();
+ i = _.indexOf( sectionControls, control );
+ if ( -1 === i ) {
+ return false;
+ }
+
+ nextControl = sectionControls[ i - 1 ];
+ if ( ! nextControl ) {
+ return false;
+ }
+ return nextControl.params.theme;
+ },
+
+ /**
+ * Disable buttons when we're viewing the first or last theme.
+ *
+ * @since 4.2.0
+ *
+ * @returns {void}
+ */
+ updateLimits: function () {
+ if ( ! this.getNextTheme() ) {
+ this.overlay.find( '.right' ).addClass( 'disabled' );
+ }
+ if ( ! this.getPreviousTheme() ) {
+ this.overlay.find( '.left' ).addClass( 'disabled' );
+ }
+ },
+
+ /**
+ * Load theme preview.
+ *
+ * @since 4.7.0
+ * @access public
+ *
+ * @deprecated
+ * @param {string} themeId Theme ID.
+ * @returns {jQuery.promise} Promise.
+ */
+ loadThemePreview: function( themeId ) {
+ return api.ThemesPanel.prototype.loadThemePreview.call( this, themeId );
+ },
+
+ /**
+ * Render & show the theme details for a given theme model.
+ *
+ * @since 4.2.0
+ *
+ * @param {object} theme - Theme.
+ * @param {Function} [callback] - Callback once the details have been shown.
+ * @returns {void}
+ */
+ showDetails: function ( theme, callback ) {
+ var section = this, panel = api.panel( 'themes' );
+ section.currentTheme = theme.id;
+ section.overlay.html( section.template( theme ) )
+ .fadeIn( 'fast' )
+ .focus();
+
+ function disableSwitchButtons() {
+ return ! panel.canSwitchTheme( theme.id );
+ }
+
+ // Temporary special function since supplying SFTP credentials does not work yet. See #42184.
+ function disableInstallButtons() {
+ return disableSwitchButtons() || false === api.settings.theme._canInstall || true === api.settings.theme._filesystemCredentialsNeeded;
+ }
+
+ section.overlay.find( 'button.preview, button.preview-theme' ).toggleClass( 'disabled', disableSwitchButtons() );
+ section.overlay.find( 'button.theme-install' ).toggleClass( 'disabled', disableInstallButtons() );
+
+ section.$body.addClass( 'modal-open' );
+ section.containFocus( section.overlay );
+ section.updateLimits();
+ wp.a11y.speak( api.settings.l10n.announceThemeDetails.replace( '%s', theme.name ) );
+ if ( callback ) {
+ callback();
+ }
+ },
+
+ /**
+ * Close the theme details modal.
+ *
+ * @since 4.2.0
+ *
+ * @returns {void}
+ */
+ closeDetails: function () {
+ var section = this;
+ section.$body.removeClass( 'modal-open' );
+ section.overlay.fadeOut( 'fast' );
+ api.control( section.params.action + '_theme_' + section.currentTheme ).container.find( '.theme' ).focus();
+ },
+
+ /**
+ * Keep tab focus within the theme details modal.
+ *
+ * @since 4.2.0
+ *
+ * @param {jQuery} el - Element to contain focus.
+ * @returns {void}
+ */
+ containFocus: function( el ) {
+ var tabbables;
+
+ el.on( 'keydown', function( event ) {
+
+ // Return if it's not the tab key
+ // When navigating with prev/next focus is already handled
+ if ( 9 !== event.keyCode ) {
+ return;
+ }
+
+ // uses jQuery UI to get the tabbable elements
+ tabbables = $( ':tabbable', el );
+
+ // Keep focus within the overlay
+ if ( tabbables.last()[0] === event.target && ! event.shiftKey ) {
+ tabbables.first().focus();
+ return false;
+ } else if ( tabbables.first()[0] === event.target && event.shiftKey ) {
+ tabbables.last().focus();
+ return false;
+ }
+ });
+ }
+ });
+
+ api.OuterSection = api.Section.extend(/** @lends wp.customize.OuterSection.prototype */{
+
+ /**
+ * Class wp.customize.OuterSection.
+ *
+ * Creates section outside of the sidebar, there is no ui to trigger collapse/expand so
+ * it would require custom handling.
+ *
+ * @constructs wp.customize.OuterSection
+ * @augments wp.customize.Section
+ *
+ * @since 4.9.0
+ *
+ * @returns {void}
+ */
+ initialize: function() {
+ var section = this;
+ section.containerParent = '#customize-outer-theme-controls';
+ section.containerPaneParent = '.customize-outer-pane-parent';
+ api.Section.prototype.initialize.apply( section, arguments );
+ },
+
+ /**
+ * Overrides api.Section.prototype.onChangeExpanded to prevent collapse/expand effect
+ * on other sections and panels.
+ *
+ * @since 4.9.0
+ *
+ * @param {Boolean} expanded - The expanded state to transition to.
+ * @param {Object} [args] - Args.
+ * @param {boolean} [args.unchanged] - Whether the state is already known to not be changed, and so short-circuit with calling completeCallback early.
+ * @param {Function} [args.completeCallback] - Function to call when the slideUp/slideDown has completed.
+ * @param {Object} [args.duration] - The duration for the animation.
+ */
+ onChangeExpanded: function( expanded, args ) {
+ var section = this,
+ container = section.headContainer.closest( '.wp-full-overlay-sidebar-content' ),
+ content = section.contentContainer,
+ backBtn = content.find( '.customize-section-back' ),
+ sectionTitle = section.headContainer.find( '.accordion-section-title' ).first(),
+ body = $( document.body ),
+ expand, panel;
+
+ body.toggleClass( 'outer-section-open', expanded );
+ section.container.toggleClass( 'open', expanded );
+ section.container.removeClass( 'busy' );
+ api.section.each( function( _section ) {
+ if ( 'outer' === _section.params.type && _section.id !== section.id ) {
+ _section.container.removeClass( 'open' );
+ }
+ } );
+
+ if ( expanded && ! content.hasClass( 'open' ) ) {
+
+ if ( args.unchanged ) {
+ expand = args.completeCallback;
+ } else {
+ expand = $.proxy( function() {
+ section._animateChangeExpanded( function() {
+ sectionTitle.attr( 'tabindex', '-1' );
+ backBtn.attr( 'tabindex', '0' );
+
+ backBtn.focus();
+ content.css( 'top', '' );
+ container.scrollTop( 0 );
+
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ } );
+
+ content.addClass( 'open' );
+ }, this );
+ }
+
+ if ( section.panel() ) {
+ api.panel( section.panel() ).expand({
+ duration: args.duration,
+ completeCallback: expand
+ });
+ } else {
+ expand();
+ }
+
+ } else if ( ! expanded && content.hasClass( 'open' ) ) {
+ if ( section.panel() ) {
+ panel = api.panel( section.panel() );
+ if ( panel.contentContainer.hasClass( 'skip-transition' ) ) {
+ panel.collapse();
+ }
+ }
+ section._animateChangeExpanded( function() {
+ backBtn.attr( 'tabindex', '-1' );
+ sectionTitle.attr( 'tabindex', '0' );
+
+ sectionTitle.focus();
+ content.css( 'top', '' );
+
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ } );
+
+ content.removeClass( 'open' );
+
+ } else {
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ }
+ }
+ });
+
+ api.Panel = Container.extend(/** @lends wp.customize.Panel.prototype */{
+ containerType: 'panel',
+
+ /**
+ * @constructs wp.customize.Panel
+ * @augments wp.customize~Container
+ *
+ * @since 4.1.0
+ *
+ * @param {string} id - The ID for the panel.
+ * @param {object} options - Object containing one property: params.
+ * @param {string} options.title - Title shown when panel is collapsed and expanded.
+ * @param {string} [options.description] - Description shown at the top of the panel.
+ * @param {number} [options.priority=100] - The sort priority for the panel.
+ * @param {string} [options.type=default] - The type of the panel. See wp.customize.panelConstructor.
+ * @param {string} [options.content] - The markup to be used for the panel container. If empty, a JS template is used.
+ * @param {boolean} [options.active=true] - Whether the panel is active or not.
+ * @param {object} [options.params] - Deprecated wrapper for the above properties.
+ */
+ initialize: function ( id, options ) {
+ var panel = this, params;
+ params = options.params || options;
+
+ // Look up the type if one was not supplied.
+ if ( ! params.type ) {
+ _.find( api.panelConstructor, function( Constructor, type ) {
+ if ( Constructor === panel.constructor ) {
+ params.type = type;
+ return true;
+ }
+ return false;
+ } );
+ }
+
+ Container.prototype.initialize.call( panel, id, params );
+
+ panel.embed();
+ panel.deferred.embedded.done( function () {
+ panel.ready();
+ });
+ },
+
+ /**
+ * Embed the container in the DOM when any parent panel is ready.
+ *
+ * @since 4.1.0
+ */
+ embed: function () {
+ var panel = this,
+ container = $( '#customize-theme-controls' ),
+ parentContainer = $( '.customize-pane-parent' ); // @todo This should be defined elsewhere, and to be configurable
+
+ if ( ! panel.headContainer.parent().is( parentContainer ) ) {
+ parentContainer.append( panel.headContainer );
+ }
+ if ( ! panel.contentContainer.parent().is( panel.headContainer ) ) {
+ container.append( panel.contentContainer );
+ }
+ panel.renderContent();
+
+ panel.deferred.embedded.resolve();
+ },
+
+ /**
+ * @since 4.1.0
+ */
+ attachEvents: function () {
+ var meta, panel = this;
+
+ // Expand/Collapse accordion sections on click.
+ panel.headContainer.find( '.accordion-section-title' ).on( 'click keydown', function( event ) {
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+ event.preventDefault(); // Keep this AFTER the key filter above
+
+ if ( ! panel.expanded() ) {
+ panel.expand();
+ }
+ });
+
+ // Close panel.
+ panel.container.find( '.customize-panel-back' ).on( 'click keydown', function( event ) {
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+ event.preventDefault(); // Keep this AFTER the key filter above
+
+ if ( panel.expanded() ) {
+ panel.collapse();
+ }
+ });
+
+ meta = panel.container.find( '.panel-meta:first' );
+
+ meta.find( '> .accordion-section-title .customize-help-toggle' ).on( 'click', function() {
+ if ( meta.hasClass( 'cannot-expand' ) ) {
+ return;
+ }
+
+ var content = meta.find( '.customize-panel-description:first' );
+ if ( meta.hasClass( 'open' ) ) {
+ meta.toggleClass( 'open' );
+ content.slideUp( panel.defaultExpandedArguments.duration, function() {
+ content.trigger( 'toggled' );
+ } );
+ $( this ).attr( 'aria-expanded', false );
+ } else {
+ content.slideDown( panel.defaultExpandedArguments.duration, function() {
+ content.trigger( 'toggled' );
+ } );
+ meta.toggleClass( 'open' );
+ $( this ).attr( 'aria-expanded', true );
+ }
+ });
+
+ },
+
+ /**
+ * Get the sections that are associated with this panel, sorted by their priority Value.
+ *
+ * @since 4.1.0
+ *
+ * @returns {Array}
+ */
+ sections: function () {
+ return this._children( 'panel', 'section' );
+ },
+
+ /**
+ * Return whether this panel has any active sections.
+ *
+ * @since 4.1.0
+ *
+ * @returns {boolean} Whether contextually active.
+ */
+ isContextuallyActive: function () {
+ var panel = this,
+ sections = panel.sections(),
+ activeCount = 0;
+ _( sections ).each( function ( section ) {
+ if ( section.active() && section.isContextuallyActive() ) {
+ activeCount += 1;
+ }
+ } );
+ return ( activeCount !== 0 );
+ },
+
+ /**
+ * Update UI to reflect expanded state.
+ *
+ * @since 4.1.0
+ *
+ * @param {Boolean} expanded
+ * @param {Object} args
+ * @param {Boolean} args.unchanged
+ * @param {Function} args.completeCallback
+ * @returns {void}
+ */
+ onChangeExpanded: function ( expanded, args ) {
+
+ // Immediately call the complete callback if there were no changes
+ if ( args.unchanged ) {
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ return;
+ }
+
+ // Note: there is a second argument 'args' passed
+ var panel = this,
+ accordionSection = panel.contentContainer,
+ overlay = accordionSection.closest( '.wp-full-overlay' ),
+ container = accordionSection.closest( '.wp-full-overlay-sidebar-content' ),
+ topPanel = panel.headContainer.find( '.accordion-section-title' ),
+ backBtn = accordionSection.find( '.customize-panel-back' ),
+ childSections = panel.sections(),
+ skipTransition;
+
+ if ( expanded && ! accordionSection.hasClass( 'current-panel' ) ) {
+ // Collapse any sibling sections/panels
+ api.section.each( function ( section ) {
+ if ( panel.id !== section.panel() ) {
+ section.collapse( { duration: 0 } );
+ }
+ });
+ api.panel.each( function ( otherPanel ) {
+ if ( panel !== otherPanel ) {
+ otherPanel.collapse( { duration: 0 } );
+ }
+ });
+
+ if ( panel.params.autoExpandSoleSection && 1 === childSections.length && childSections[0].active.get() ) {
+ accordionSection.addClass( 'current-panel skip-transition' );
+ overlay.addClass( 'in-sub-panel' );
+
+ childSections[0].expand( {
+ completeCallback: args.completeCallback
+ } );
+ } else {
+ panel._animateChangeExpanded( function() {
+ topPanel.attr( 'tabindex', '-1' );
+ backBtn.attr( 'tabindex', '0' );
+
+ backBtn.focus();
+ accordionSection.css( 'top', '' );
+ container.scrollTop( 0 );
+
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ } );
+
+ accordionSection.addClass( 'current-panel' );
+ overlay.addClass( 'in-sub-panel' );
+ }
+
+ api.state( 'expandedPanel' ).set( panel );
+
+ } else if ( ! expanded && accordionSection.hasClass( 'current-panel' ) ) {
+ skipTransition = accordionSection.hasClass( 'skip-transition' );
+ if ( ! skipTransition ) {
+ panel._animateChangeExpanded( function() {
+ topPanel.attr( 'tabindex', '0' );
+ backBtn.attr( 'tabindex', '-1' );
+
+ topPanel.focus();
+ accordionSection.css( 'top', '' );
+
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ } );
+ } else {
+ accordionSection.removeClass( 'skip-transition' );
+ }
+
+ overlay.removeClass( 'in-sub-panel' );
+ accordionSection.removeClass( 'current-panel' );
+ if ( panel === api.state( 'expandedPanel' ).get() ) {
+ api.state( 'expandedPanel' ).set( false );
+ }
+ }
+ },
+
+ /**
+ * Render the panel from its JS template, if it exists.
+ *
+ * The panel's container must already exist in the DOM.
+ *
+ * @since 4.3.0
+ */
+ renderContent: function () {
+ var template,
+ panel = this;
+
+ // Add the content to the container.
+ if ( 0 !== $( '#tmpl-' + panel.templateSelector + '-content' ).length ) {
+ template = wp.template( panel.templateSelector + '-content' );
+ } else {
+ template = wp.template( 'customize-panel-default-content' );
+ }
+ if ( template && panel.headContainer ) {
+ panel.contentContainer.html( template( _.extend(
+ { id: panel.id },
+ panel.params
+ ) ) );
+ }
+ }
+ });
+
+ api.ThemesPanel = api.Panel.extend(/** @lends wp.customize.ThemsPanel.prototype */{
+
+ /**
+ * Class wp.customize.ThemesPanel.
+ *
+ * Custom section for themes that displays without the customize preview.
+ *
+ * @constructs wp.customize.ThemesPanel
+ * @augments wp.customize.Panel
+ *
+ * @since 4.9.0
+ *
+ * @param {string} id - The ID for the panel.
+ * @param {object} options - Options.
+ * @returns {void}
+ */
+ initialize: function( id, options ) {
+ var panel = this;
+ panel.installingThemes = [];
+ api.Panel.prototype.initialize.call( panel, id, options );
+ },
+
+ /**
+ * Determine whether a given theme can be switched to, or in general.
+ *
+ * @since 4.9.0
+ *
+ * @param {string} [slug] - Theme slug.
+ * @returns {boolean} Whether the theme can be switched to.
+ */
+ canSwitchTheme: function canSwitchTheme( slug ) {
+ if ( slug && slug === api.settings.theme.stylesheet ) {
+ return true;
+ }
+ return 'publish' === api.state( 'selectedChangesetStatus' ).get() && ( '' === api.state( 'changesetStatus' ).get() || 'auto-draft' === api.state( 'changesetStatus' ).get() );
+ },
+
+ /**
+ * Attach events.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ attachEvents: function() {
+ var panel = this;
+
+ // Attach regular panel events.
+ api.Panel.prototype.attachEvents.apply( panel );
+
+ // Temporary since supplying SFTP credentials does not work yet. See #42184
+ if ( api.settings.theme._canInstall && api.settings.theme._filesystemCredentialsNeeded ) {
+ panel.notifications.add( new api.Notification( 'theme_install_unavailable', {
+ message: api.l10n.themeInstallUnavailable,
+ type: 'info',
+ dismissible: true
+ } ) );
+ }
+
+ function toggleDisabledNotifications() {
+ if ( panel.canSwitchTheme() ) {
+ panel.notifications.remove( 'theme_switch_unavailable' );
+ } else {
+ panel.notifications.add( new api.Notification( 'theme_switch_unavailable', {
+ message: api.l10n.themePreviewUnavailable,
+ type: 'warning'
+ } ) );
+ }
+ }
+ toggleDisabledNotifications();
+ api.state( 'selectedChangesetStatus' ).bind( toggleDisabledNotifications );
+ api.state( 'changesetStatus' ).bind( toggleDisabledNotifications );
+
+ // Collapse panel to customize the current theme.
+ panel.contentContainer.on( 'click', '.customize-theme', function() {
+ panel.collapse();
+ });
+
+ // Toggle between filtering and browsing themes on mobile.
+ panel.contentContainer.on( 'click', '.customize-themes-section-title, .customize-themes-mobile-back', function() {
+ $( '.wp-full-overlay' ).toggleClass( 'showing-themes' );
+ });
+
+ // Install (and maybe preview) a theme.
+ panel.contentContainer.on( 'click', '.theme-install', function( event ) {
+ panel.installTheme( event );
+ });
+
+ // Update a theme. Theme cards have the class, the details modal has the id.
+ panel.contentContainer.on( 'click', '.update-theme, #update-theme', function( event ) {
+
+ // #update-theme is a link.
+ event.preventDefault();
+ event.stopPropagation();
+
+ panel.updateTheme( event );
+ });
+
+ // Delete a theme.
+ panel.contentContainer.on( 'click', '.delete-theme', function( event ) {
+ panel.deleteTheme( event );
+ });
+
+ _.bindAll( panel, 'installTheme', 'updateTheme' );
+ },
+
+ /**
+ * Update UI to reflect expanded state
+ *
+ * @since 4.9.0
+ *
+ * @param {Boolean} expanded - Expanded state.
+ * @param {Object} args - Args.
+ * @param {Boolean} args.unchanged - Whether or not the state changed.
+ * @param {Function} args.completeCallback - Callback to execute when the animation completes.
+ * @returns {void}
+ */
+ onChangeExpanded: function( expanded, args ) {
+ var panel = this, overlay, sections, hasExpandedSection = false;
+
+ // Expand/collapse the panel normally.
+ api.Panel.prototype.onChangeExpanded.apply( this, [ expanded, args ] );
+
+ // Immediately call the complete callback if there were no changes
+ if ( args.unchanged ) {
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ return;
+ }
+
+ overlay = panel.headContainer.closest( '.wp-full-overlay' );
+
+ if ( expanded ) {
+ overlay
+ .addClass( 'in-themes-panel' )
+ .delay( 200 ).find( '.customize-themes-full-container' ).addClass( 'animate' );
+
+ _.delay( function() {
+ overlay.addClass( 'themes-panel-expanded' );
+ }, 200 );
+
+ // Automatically open the first section (except on small screens), if one isn't already expanded.
+ if ( 600 < window.innerWidth ) {
+ sections = panel.sections();
+ _.each( sections, function( section ) {
+ if ( section.expanded() ) {
+ hasExpandedSection = true;
+ }
+ } );
+ if ( ! hasExpandedSection && sections.length > 0 ) {
+ sections[0].expand();
+ }
+ }
+ } else {
+ overlay
+ .removeClass( 'in-themes-panel themes-panel-expanded' )
+ .find( '.customize-themes-full-container' ).removeClass( 'animate' );
+ }
+ },
+
+ /**
+ * Install a theme via wp.updates.
+ *
+ * @since 4.9.0
+ *
+ * @param {jQuery.Event} event - Event.
+ * @returns {jQuery.promise} Promise.
+ */
+ installTheme: function( event ) {
+ var panel = this, preview, onInstallSuccess, slug = $( event.target ).data( 'slug' ), deferred = $.Deferred(), request;
+ preview = $( event.target ).hasClass( 'preview' );
+
+ // Temporary since supplying SFTP credentials does not work yet. See #42184.
+ if ( api.settings.theme._filesystemCredentialsNeeded ) {
+ deferred.reject({
+ errorCode: 'theme_install_unavailable'
+ });
+ return deferred.promise();
+ }
+
+ // Prevent loading a non-active theme preview when there is a drafted/scheduled changeset.
+ if ( ! panel.canSwitchTheme( slug ) ) {
+ deferred.reject({
+ errorCode: 'theme_switch_unavailable'
+ });
+ return deferred.promise();
+ }
+
+ // Theme is already being installed.
+ if ( _.contains( panel.installingThemes, slug ) ) {
+ deferred.reject({
+ errorCode: 'theme_already_installing'
+ });
+ return deferred.promise();
+ }
+
+ wp.updates.maybeRequestFilesystemCredentials( event );
+
+ onInstallSuccess = function( response ) {
+ var theme = false, themeControl;
+ if ( preview ) {
+ api.notifications.remove( 'theme_installing' );
+
+ panel.loadThemePreview( slug );
+
+ } else {
+ api.control.each( function( control ) {
+ if ( 'theme' === control.params.type && control.params.theme.id === response.slug ) {
+ theme = control.params.theme; // Used below to add theme control.
+ control.rerenderAsInstalled( true );
+ }
+ });
+
+ // Don't add the same theme more than once.
+ if ( ! theme || api.control.has( 'installed_theme_' + theme.id ) ) {
+ deferred.resolve( response );
+ return;
+ }
+
+ // Add theme control to installed section.
+ theme.type = 'installed';
+ themeControl = new api.controlConstructor.theme( 'installed_theme_' + theme.id, {
+ type: 'theme',
+ section: 'installed_themes',
+ theme: theme,
+ priority: 0 // Add all newly-installed themes to the top.
+ } );
+
+ api.control.add( themeControl );
+ api.control( themeControl.id ).container.trigger( 'render-screenshot' );
+
+ // Close the details modal if it's open to the installed theme.
+ api.section.each( function( section ) {
+ if ( 'themes' === section.params.type ) {
+ if ( theme.id === section.currentTheme ) { // Don't close the modal if the user has navigated elsewhere.
+ section.closeDetails();
+ }
+ }
+ });
+ }
+ deferred.resolve( response );
+ };
+
+ panel.installingThemes.push( slug ); // Note: we don't remove elements from installingThemes, since they shouldn't be installed again.
+ request = wp.updates.installTheme( {
+ slug: slug
+ } );
+
+ // Also preview the theme as the event is triggered on Install & Preview.
+ if ( preview ) {
+ api.notifications.add( new api.OverlayNotification( 'theme_installing', {
+ message: api.l10n.themeDownloading,
+ type: 'info',
+ loading: true
+ } ) );
+ }
+
+ request.done( onInstallSuccess );
+ request.fail( function() {
+ api.notifications.remove( 'theme_installing' );
+ } );
+
+ return deferred.promise();
+ },
+
+ /**
+ * Load theme preview.
+ *
+ * @since 4.9.0
+ *
+ * @param {string} themeId Theme ID.
+ * @returns {jQuery.promise} Promise.
+ */
+ loadThemePreview: function( themeId ) {
+ var panel = this, deferred = $.Deferred(), onceProcessingComplete, urlParser, queryParams;
+
+ // Prevent loading a non-active theme preview when there is a drafted/scheduled changeset.
+ if ( ! panel.canSwitchTheme( themeId ) ) {
+ deferred.reject({
+ errorCode: 'theme_switch_unavailable'
+ });
+ return deferred.promise();
+ }
+
+ urlParser = document.createElement( 'a' );
+ urlParser.href = location.href;
+ queryParams = _.extend(
+ api.utils.parseQueryString( urlParser.search.substr( 1 ) ),
+ {
+ theme: themeId,
+ changeset_uuid: api.settings.changeset.uuid,
+ 'return': api.settings.url['return']
+ }
+ );
+
+ // Include autosaved param to load autosave revision without prompting user to restore it.
+ if ( ! api.state( 'saved' ).get() ) {
+ queryParams.customize_autosaved = 'on';
+ }
+
+ urlParser.search = $.param( queryParams );
+
+ // Update loading message. Everything else is handled by reloading the page.
+ api.notifications.add( new api.OverlayNotification( 'theme_previewing', {
+ message: api.l10n.themePreviewWait,
+ type: 'info',
+ loading: true
+ } ) );
+
+ onceProcessingComplete = function() {
+ var request;
+ if ( api.state( 'processing' ).get() > 0 ) {
+ return;
+ }
+
+ api.state( 'processing' ).unbind( onceProcessingComplete );
+
+ request = api.requestChangesetUpdate( {}, { autosave: true } );
+ request.done( function() {
+ deferred.resolve();
+ $( window ).off( 'beforeunload.customize-confirm' );
+ location.replace( urlParser.href );
+ } );
+ request.fail( function() {
+
+ // @todo Show notification regarding failure.
+ api.notifications.remove( 'theme_previewing' );
+
+ deferred.reject();
+ } );
+ };
+
+ if ( 0 === api.state( 'processing' ).get() ) {
+ onceProcessingComplete();
+ } else {
+ api.state( 'processing' ).bind( onceProcessingComplete );
+ }
+
+ return deferred.promise();
+ },
+
+ /**
+ * Update a theme via wp.updates.
+ *
+ * @since 4.9.0
+ *
+ * @param {jQuery.Event} event - Event.
+ * @returns {void}
+ */
+ updateTheme: function( event ) {
+ wp.updates.maybeRequestFilesystemCredentials( event );
+
+ $( document ).one( 'wp-theme-update-success', function( e, response ) {
+
+ // Rerender the control to reflect the update.
+ api.control.each( function( control ) {
+ if ( 'theme' === control.params.type && control.params.theme.id === response.slug ) {
+ control.params.theme.hasUpdate = false;
+ control.params.theme.version = response.newVersion;
+ setTimeout( function() {
+ control.rerenderAsInstalled( true );
+ }, 2000 );
+ }
+ });
+ } );
+
+ wp.updates.updateTheme( {
+ slug: $( event.target ).closest( '.notice' ).data( 'slug' )
+ } );
+ },
+
+ /**
+ * Delete a theme via wp.updates.
+ *
+ * @since 4.9.0
+ *
+ * @param {jQuery.Event} event - Event.
+ * @returns {void}
+ */
+ deleteTheme: function( event ) {
+ var theme, section;
+ theme = $( event.target ).data( 'slug' );
+ section = api.section( 'installed_themes' );
+
+ event.preventDefault();
+
+ // Temporary since supplying SFTP credentials does not work yet. See #42184.
+ if ( api.settings.theme._filesystemCredentialsNeeded ) {
+ return;
+ }
+
+ // Confirmation dialog for deleting a theme.
+ if ( ! window.confirm( api.settings.l10n.confirmDeleteTheme ) ) {
+ return;
+ }
+
+ wp.updates.maybeRequestFilesystemCredentials( event );
+
+ $( document ).one( 'wp-theme-delete-success', function() {
+ var control = api.control( 'installed_theme_' + theme );
+
+ // Remove theme control.
+ control.container.remove();
+ api.control.remove( control.id );
+
+ // Update installed count.
+ section.loaded = section.loaded - 1;
+ section.updateCount();
+
+ // Rerender any other theme controls as uninstalled.
+ api.control.each( function( control ) {
+ if ( 'theme' === control.params.type && control.params.theme.id === theme ) {
+ control.rerenderAsInstalled( false );
+ }
+ });
+ } );
+
+ wp.updates.deleteTheme( {
+ slug: theme
+ } );
+
+ // Close modal and focus the section.
+ section.closeDetails();
+ section.focus();
+ }
+ });
+
+ api.Control = api.Class.extend(/** @lends wp.customize.Control.prototype */{
+ defaultActiveArguments: { duration: 'fast', completeCallback: $.noop },
+
+ /**
+ * Default params.
+ *
+ * @since 4.9.0
+ * @var {object}
+ */
+ defaults: {
+ label: '',
+ description: '',
+ active: true,
+ priority: 10
+ },
+
+ /**
+ * A Customizer Control.
+ *
+ * A control provides a UI element that allows a user to modify a Customizer Setting.
+ *
+ * @see PHP class WP_Customize_Control.
+ *
+ * @constructs wp.customize.Control
+ * @augments wp.customize.Class
+ *
+ * @borrows wp.customize~focus as this#focus
+ * @borrows wp.customize~Container#activate as this#activate
+ * @borrows wp.customize~Container#deactivate as this#deactivate
+ * @borrows wp.customize~Container#_toggleActive as this#_toggleActive
+ *
+ * @param {string} id - Unique identifier for the control instance.
+ * @param {object} options - Options hash for the control instance.
+ * @param {object} options.type - Type of control (e.g. text, radio, dropdown-pages, etc.)
+ * @param {string} [options.content] - The HTML content for the control or at least its container. This should normally be left blank and instead supplying a templateId.
+ * @param {string} [options.templateId] - Template ID for control's content.
+ * @param {string} [options.priority=10] - Order of priority to show the control within the section.
+ * @param {string} [options.active=true] - Whether the control is active.
+ * @param {string} options.section - The ID of the section the control belongs to.
+ * @param {mixed} [options.setting] - The ID of the main setting or an instance of this setting.
+ * @param {mixed} options.settings - An object with keys (e.g. default) that maps to setting IDs or Setting/Value objects, or an array of setting IDs or Setting/Value objects.
+ * @param {mixed} options.settings.default - The ID of the setting the control relates to.
+ * @param {string} options.settings.data - @todo Is this used?
+ * @param {string} options.label - Label.
+ * @param {string} options.description - Description.
+ * @param {number} [options.instanceNumber] - Order in which this instance was created in relation to other instances.
+ * @param {object} [options.params] - Deprecated wrapper for the above properties.
+ * @returns {void}
+ */
+ initialize: function( id, options ) {
+ var control = this, deferredSettingIds = [], settings, gatherSettings;
+
+ control.params = _.extend(
+ {},
+ control.defaults,
+ control.params || {}, // In case sub-class already defines.
+ options.params || options || {} // The options.params property is deprecated, but it is checked first for back-compat.
+ );
+
+ if ( ! api.Control.instanceCounter ) {
+ api.Control.instanceCounter = 0;
+ }
+ api.Control.instanceCounter++;
+ if ( ! control.params.instanceNumber ) {
+ control.params.instanceNumber = api.Control.instanceCounter;
+ }
+
+ // Look up the type if one was not supplied.
+ if ( ! control.params.type ) {
+ _.find( api.controlConstructor, function( Constructor, type ) {
+ if ( Constructor === control.constructor ) {
+ control.params.type = type;
+ return true;
+ }
+ return false;
+ } );
+ }
+
+ if ( ! control.params.content ) {
+ control.params.content = $( '<li></li>', {
+ id: 'customize-control-' + id.replace( /]/g, '' ).replace( /\[/g, '-' ),
+ 'class': 'customize-control customize-control-' + control.params.type
+ } );
+ }
+
+ control.id = id;
+ control.selector = '#customize-control-' + id.replace( /\]/g, '' ).replace( /\[/g, '-' ); // Deprecated, likely dead code from time before #28709.
+ if ( control.params.content ) {
+ control.container = $( control.params.content );
+ } else {
+ control.container = $( control.selector ); // Likely dead, per above. See #28709.
+ }
+
+ if ( control.params.templateId ) {
+ control.templateSelector = control.params.templateId;
+ } else {
+ control.templateSelector = 'customize-control-' + control.params.type + '-content';
+ }
+
+ control.deferred = _.extend( control.deferred || {}, {
+ embedded: new $.Deferred()
+ } );
+ control.section = new api.Value();
+ control.priority = new api.Value();
+ control.active = new api.Value();
+ control.activeArgumentsQueue = [];
+ control.notifications = new api.Notifications({
+ alt: control.altNotice
+ });
+
+ control.elements = [];
+
+ control.active.bind( function ( active ) {
+ var args = control.activeArgumentsQueue.shift();
+ args = $.extend( {}, control.defaultActiveArguments, args );
+ control.onChangeActive( active, args );
+ } );
+
+ control.section.set( control.params.section );
+ control.priority.set( isNaN( control.params.priority ) ? 10 : control.params.priority );
+ control.active.set( control.params.active );
+
+ api.utils.bubbleChildValueChanges( control, [ 'section', 'priority', 'active' ] );
+
+ control.settings = {};
+
+ settings = {};
+ if ( control.params.setting ) {
+ settings['default'] = control.params.setting;
+ }
+ _.extend( settings, control.params.settings );
+
+ // Note: Settings can be an array or an object, with values being either setting IDs or Setting (or Value) objects.
+ _.each( settings, function( value, key ) {
+ var setting;
+ if ( _.isObject( value ) && _.isFunction( value.extended ) && value.extended( api.Value ) ) {
+ control.settings[ key ] = value;
+ } else if ( _.isString( value ) ) {
+ setting = api( value );
+ if ( setting ) {
+ control.settings[ key ] = setting;
+ } else {
+ deferredSettingIds.push( value );
+ }
+ }
+ } );
+
+ gatherSettings = function() {
+
+ // Fill-in all resolved settings.
+ _.each( settings, function ( settingId, key ) {
+ if ( ! control.settings[ key ] && _.isString( settingId ) ) {
+ control.settings[ key ] = api( settingId );
+ }
+ } );
+
+ // Make sure settings passed as array gets associated with default.
+ if ( control.settings[0] && ! control.settings['default'] ) {
+ control.settings['default'] = control.settings[0];
+ }
+
+ // Identify the main setting.
+ control.setting = control.settings['default'] || null;
+
+ control.linkElements(); // Link initial elements present in server-rendered content.
+ control.embed();
+ };
+
+ if ( 0 === deferredSettingIds.length ) {
+ gatherSettings();
+ } else {
+ api.apply( api, deferredSettingIds.concat( gatherSettings ) );
+ }
+
+ // After the control is embedded on the page, invoke the "ready" method.
+ control.deferred.embedded.done( function () {
+ control.linkElements(); // Link any additional elements after template is rendered by renderContent().
+ control.setupNotifications();
+ control.ready();
+ });
+ },
+
+ /**
+ * Link elements between settings and inputs.
+ *
+ * @since 4.7.0
+ * @access public
+ *
+ * @returns {void}
+ */
+ linkElements: function () {
+ var control = this, nodes, radios, element;
+
+ nodes = control.container.find( '[data-customize-setting-link], [data-customize-setting-key-link]' );
+ radios = {};
+
+ nodes.each( function () {
+ var node = $( this ), name, setting;
+
+ if ( node.data( 'customizeSettingLinked' ) ) {
+ return;
+ }
+ node.data( 'customizeSettingLinked', true ); // Prevent re-linking element.
+
+ if ( node.is( ':radio' ) ) {
+ name = node.prop( 'name' );
+ if ( radios[name] ) {
+ return;
+ }
+
+ radios[name] = true;
+ node = nodes.filter( '[name="' + name + '"]' );
+ }
+
+ // Let link by default refer to setting ID. If it doesn't exist, fallback to looking up by setting key.
+ if ( node.data( 'customizeSettingLink' ) ) {
+ setting = api( node.data( 'customizeSettingLink' ) );
+ } else if ( node.data( 'customizeSettingKeyLink' ) ) {
+ setting = control.settings[ node.data( 'customizeSettingKeyLink' ) ];
+ }
+
+ if ( setting ) {
+ element = new api.Element( node );
+ control.elements.push( element );
+ element.sync( setting );
+ element.set( setting() );
+ }
+ } );
+ },
+
+ /**
+ * Embed the control into the page.
+ */
+ embed: function () {
+ var control = this,
+ inject;
+
+ // Watch for changes to the section state
+ inject = function ( sectionId ) {
+ var parentContainer;
+ if ( ! sectionId ) { // @todo allow a control to be embedded without a section, for instance a control embedded in the front end.
+ return;
+ }
+ // Wait for the section to be registered
+ api.section( sectionId, function ( section ) {
+ // Wait for the section to be ready/initialized
+ section.deferred.embedded.done( function () {
+ parentContainer = ( section.contentContainer.is( 'ul' ) ) ? section.contentContainer : section.contentContainer.find( 'ul:first' );
+ if ( ! control.container.parent().is( parentContainer ) ) {
+ parentContainer.append( control.container );
+ control.renderContent();
+ }
+ control.deferred.embedded.resolve();
+ });
+ });
+ };
+ control.section.bind( inject );
+ inject( control.section.get() );
+ },
+
+ /**
+ * Triggered when the control's markup has been injected into the DOM.
+ *
+ * @returns {void}
+ */
+ ready: function() {
+ var control = this, newItem;
+ if ( 'dropdown-pages' === control.params.type && control.params.allow_addition ) {
+ newItem = control.container.find( '.new-content-item' );
+ newItem.hide(); // Hide in JS to preserve flex display when showing.
+ control.container.on( 'click', '.add-new-toggle', function( e ) {
+ $( e.currentTarget ).slideUp( 180 );
+ newItem.slideDown( 180 );
+ newItem.find( '.create-item-input' ).focus();
+ });
+ control.container.on( 'click', '.add-content', function() {
+ control.addNewPage();
+ });
+ control.container.on( 'keydown', '.create-item-input', function( e ) {
+ if ( 13 === e.which ) { // Enter
+ control.addNewPage();
+ }
+ });
+ }
+ },
+
+ /**
+ * Get the element inside of a control's container that contains the validation error message.
+ *
+ * Control subclasses may override this to return the proper container to render notifications into.
+ * Injects the notification container for existing controls that lack the necessary container,
+ * including special handling for nav menu items and widgets.
+ *
+ * @since 4.6.0
+ * @returns {jQuery} Setting validation message element.
+ */
+ getNotificationsContainerElement: function() {
+ var control = this, controlTitle, notificationsContainer;
+
+ notificationsContainer = control.container.find( '.customize-control-notifications-container:first' );
+ if ( notificationsContainer.length ) {
+ return notificationsContainer;
+ }
+
+ notificationsContainer = $( '<div class="customize-control-notifications-container"></div>' );
+
+ if ( control.container.hasClass( 'customize-control-nav_menu_item' ) ) {
+ control.container.find( '.menu-item-settings:first' ).prepend( notificationsContainer );
+ } else if ( control.container.hasClass( 'customize-control-widget_form' ) ) {
+ control.container.find( '.widget-inside:first' ).prepend( notificationsContainer );
+ } else {
+ controlTitle = control.container.find( '.customize-control-title' );
+ if ( controlTitle.length ) {
+ controlTitle.after( notificationsContainer );
+ } else {
+ control.container.prepend( notificationsContainer );
+ }
+ }
+ return notificationsContainer;
+ },
+
+ /**
+ * Set up notifications.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ setupNotifications: function() {
+ var control = this, renderNotificationsIfVisible, onSectionAssigned;
+
+ // Add setting notifications to the control notification.
+ _.each( control.settings, function( setting ) {
+ if ( ! setting.notifications ) {
+ return;
+ }
+ setting.notifications.bind( 'add', function( settingNotification ) {
+ var params = _.extend(
+ {},
+ settingNotification,
+ {
+ setting: setting.id
+ }
+ );
+ control.notifications.add( new api.Notification( setting.id + ':' + settingNotification.code, params ) );
+ } );
+ setting.notifications.bind( 'remove', function( settingNotification ) {
+ control.notifications.remove( setting.id + ':' + settingNotification.code );
+ } );
+ } );
+
+ renderNotificationsIfVisible = function() {
+ var sectionId = control.section();
+ if ( ! sectionId || ( api.section.has( sectionId ) && api.section( sectionId ).expanded() ) ) {
+ control.notifications.render();
+ }
+ };
+
+ control.notifications.bind( 'rendered', function() {
+ var notifications = control.notifications.get();
+ control.container.toggleClass( 'has-notifications', 0 !== notifications.length );
+ control.container.toggleClass( 'has-error', 0 !== _.where( notifications, { type: 'error' } ).length );
+ } );
+
+ onSectionAssigned = function( newSectionId, oldSectionId ) {
+ if ( oldSectionId && api.section.has( oldSectionId ) ) {
+ api.section( oldSectionId ).expanded.unbind( renderNotificationsIfVisible );
+ }
+ if ( newSectionId ) {
+ api.section( newSectionId, function( section ) {
+ section.expanded.bind( renderNotificationsIfVisible );
+ renderNotificationsIfVisible();
+ });
+ }
+ };
+
+ control.section.bind( onSectionAssigned );
+ onSectionAssigned( control.section.get() );
+ control.notifications.bind( 'change', _.debounce( renderNotificationsIfVisible ) );
+ },
+
+ /**
+ * Render notifications.
+ *
+ * Renders the `control.notifications` into the control's container.
+ * Control subclasses may override this method to do their own handling
+ * of rendering notifications.
+ *
+ * @deprecated in favor of `control.notifications.render()`
+ * @since 4.6.0
+ * @this {wp.customize.Control}
+ */
+ renderNotifications: function() {
+ var control = this, container, notifications, hasError = false;
+
+ if ( 'undefined' !== typeof console && console.warn ) {
+ console.warn( '[DEPRECATED] wp.customize.Control.prototype.renderNotifications() is deprecated in favor of instantating a wp.customize.Notifications and calling its render() method.' );
+ }
+
+ container = control.getNotificationsContainerElement();
+ if ( ! container || ! container.length ) {
+ return;
+ }
+ notifications = [];
+ control.notifications.each( function( notification ) {
+ notifications.push( notification );
+ if ( 'error' === notification.type ) {
+ hasError = true;
+ }
+ } );
+
+ if ( 0 === notifications.length ) {
+ container.stop().slideUp( 'fast' );
+ } else {
+ container.stop().slideDown( 'fast', null, function() {
+ $( this ).css( 'height', 'auto' );
+ } );
+ }
+
+ if ( ! control.notificationsTemplate ) {
+ control.notificationsTemplate = wp.template( 'customize-control-notifications' );
+ }
+
+ control.container.toggleClass( 'has-notifications', 0 !== notifications.length );
+ control.container.toggleClass( 'has-error', hasError );
+ container.empty().append( $.trim(
+ control.notificationsTemplate( { notifications: notifications, altNotice: Boolean( control.altNotice ) } )
+ ) );
+ },
+
+ /**
+ * Normal controls do not expand, so just expand its parent
+ *
+ * @param {Object} [params]
+ */
+ expand: function ( params ) {
+ api.section( this.section() ).expand( params );
+ },
+
+ /*
+ * Documented using @borrows in the constructor.
+ */
+ focus: focus,
+
+ /**
+ * Update UI in response to a change in the control's active state.
+ * This does not change the active state, it merely handles the behavior
+ * for when it does change.
+ *
+ * @since 4.1.0
+ *
+ * @param {Boolean} active
+ * @param {Object} args
+ * @param {Number} args.duration
+ * @param {Function} args.completeCallback
+ */
+ onChangeActive: function ( active, args ) {
+ if ( args.unchanged ) {
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ return;
+ }
+
+ if ( ! $.contains( document, this.container[0] ) ) {
+ // jQuery.fn.slideUp is not hiding an element if it is not in the DOM
+ this.container.toggle( active );
+ if ( args.completeCallback ) {
+ args.completeCallback();
+ }
+ } else if ( active ) {
+ this.container.slideDown( args.duration, args.completeCallback );
+ } else {
+ this.container.slideUp( args.duration, args.completeCallback );
+ }
+ },
+
+ /**
+ * @deprecated 4.1.0 Use this.onChangeActive() instead.
+ */
+ toggle: function ( active ) {
+ return this.onChangeActive( active, this.defaultActiveArguments );
+ },
+
+ /*
+ * Documented using @borrows in the constructor
+ */
+ activate: Container.prototype.activate,
+
+ /*
+ * Documented using @borrows in the constructor
+ */
+ deactivate: Container.prototype.deactivate,
+
+ /*
+ * Documented using @borrows in the constructor
+ */
+ _toggleActive: Container.prototype._toggleActive,
+
+ // @todo This function appears to be dead code and can be removed.
+ dropdownInit: function() {
+ var control = this,
+ statuses = this.container.find('.dropdown-status'),
+ params = this.params,
+ toggleFreeze = false,
+ update = function( to ) {
+ if ( 'string' === typeof to && params.statuses && params.statuses[ to ] ) {
+ statuses.html( params.statuses[ to ] ).show();
+ } else {
+ statuses.hide();
+ }
+ };
+
+ // Support the .dropdown class to open/close complex elements
+ this.container.on( 'click keydown', '.dropdown', function( event ) {
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+
+ event.preventDefault();
+
+ if ( ! toggleFreeze ) {
+ control.container.toggleClass( 'open' );
+ }
+
+ if ( control.container.hasClass( 'open' ) ) {
+ control.container.parent().parent().find( 'li.library-selected' ).focus();
+ }
+
+ // Don't want to fire focus and click at same time
+ toggleFreeze = true;
+ setTimeout(function () {
+ toggleFreeze = false;
+ }, 400);
+ });
+
+ this.setting.bind( update );
+ update( this.setting() );
+ },
+
+ /**
+ * Render the control from its JS template, if it exists.
+ *
+ * The control's container must already exist in the DOM.
+ *
+ * @since 4.1.0
+ */
+ renderContent: function () {
+ var control = this, template, standardTypes, templateId, sectionId;
+
+ standardTypes = [
+ 'button',
+ 'checkbox',
+ 'date',
+ 'datetime-local',
+ 'email',
+ 'month',
+ 'number',
+ 'password',
+ 'radio',
+ 'range',
+ 'search',
+ 'select',
+ 'tel',
+ 'time',
+ 'text',
+ 'textarea',
+ 'week',
+ 'url'
+ ];
+
+ templateId = control.templateSelector;
+
+ // Use default content template when a standard HTML type is used, there isn't a more specific template existing, and the control container is empty.
+ if ( templateId === 'customize-control-' + control.params.type + '-content' &&
+ _.contains( standardTypes, control.params.type ) &&
+ ! document.getElementById( 'tmpl-' + templateId ) &&
+ 0 === control.container.children().length )
+ {
+ templateId = 'customize-control-default-content';
+ }
+
+ // Replace the container element's content with the control.
+ if ( document.getElementById( 'tmpl-' + templateId ) ) {
+ template = wp.template( templateId );
+ if ( template && control.container ) {
+ control.container.html( template( control.params ) );
+ }
+ }
+
+ // Re-render notifications after content has been re-rendered.
+ control.notifications.container = control.getNotificationsContainerElement();
+ sectionId = control.section();
+ if ( ! sectionId || ( api.section.has( sectionId ) && api.section( sectionId ).expanded() ) ) {
+ control.notifications.render();
+ }
+ },
+
+ /**
+ * Add a new page to a dropdown-pages control reusing menus code for this.
+ *
+ * @since 4.7.0
+ * @access private
+ * @returns {void}
+ */
+ addNewPage: function () {
+ var control = this, promise, toggle, container, input, title, select;
+
+ if ( 'dropdown-pages' !== control.params.type || ! control.params.allow_addition || ! api.Menus ) {
+ return;
+ }
+
+ toggle = control.container.find( '.add-new-toggle' );
+ container = control.container.find( '.new-content-item' );
+ input = control.container.find( '.create-item-input' );
+ title = input.val();
+ select = control.container.find( 'select' );
+
+ if ( ! title ) {
+ input.addClass( 'invalid' );
+ return;
+ }
+
+ input.removeClass( 'invalid' );
+ input.attr( 'disabled', 'disabled' );
+
+ // The menus functions add the page, publish when appropriate, and also add the new page to the dropdown-pages controls.
+ promise = api.Menus.insertAutoDraftPost( {
+ post_title: title,
+ post_type: 'page'
+ } );
+ promise.done( function( data ) {
+ var availableItem, $content, itemTemplate;
+
+ // Prepare the new page as an available menu item.
+ // See api.Menus.submitNew().
+ availableItem = new api.Menus.AvailableItemModel( {
+ 'id': 'post-' + data.post_id, // Used for available menu item Backbone models.
+ 'title': title,
+ 'type': 'post_type',
+ 'type_label': api.Menus.data.l10n.page_label,
+ 'object': 'page',
+ 'object_id': data.post_id,
+ 'url': data.url
+ } );
+
+ // Add the new item to the list of available menu items.
+ api.Menus.availableMenuItemsPanel.collection.add( availableItem );
+ $content = $( '#available-menu-items-post_type-page' ).find( '.available-menu-items-list' );
+ itemTemplate = wp.template( 'available-menu-item' );
+ $content.prepend( itemTemplate( availableItem.attributes ) );
+
+ // Focus the select control.
+ select.focus();
+ control.setting.set( String( data.post_id ) ); // Triggers a preview refresh and updates the setting.
+
+ // Reset the create page form.
+ container.slideUp( 180 );
+ toggle.slideDown( 180 );
+ } );
+ promise.always( function() {
+ input.val( '' ).removeAttr( 'disabled' );
+ } );
+ }
+ });
+
+ /**
+ * A colorpicker control.
+ *
+ * @class wp.customize.ColorControl
+ * @augments wp.customize.Control
+ */
+ api.ColorControl = api.Control.extend(/** @lends wp.customize.ColorControl.prototype */{
+ ready: function() {
+ var control = this,
+ isHueSlider = this.params.mode === 'hue',
+ updating = false,
+ picker;
+
+ if ( isHueSlider ) {
+ picker = this.container.find( '.color-picker-hue' );
+ picker.val( control.setting() ).wpColorPicker({
+ change: function( event, ui ) {
+ updating = true;
+ control.setting( ui.color.h() );
+ updating = false;
+ }
+ });
+ } else {
+ picker = this.container.find( '.color-picker-hex' );
+ picker.val( control.setting() ).wpColorPicker({
+ change: function() {
+ updating = true;
+ control.setting.set( picker.wpColorPicker( 'color' ) );
+ updating = false;
+ },
+ clear: function() {
+ updating = true;
+ control.setting.set( '' );
+ updating = false;
+ }
+ });
+ }
+
+ control.setting.bind( function ( value ) {
+ // Bail if the update came from the control itself.
+ if ( updating ) {
+ return;
+ }
+ picker.val( value );
+ picker.wpColorPicker( 'color', value );
+ } );
+
+ // Collapse color picker when hitting Esc instead of collapsing the current section.
+ control.container.on( 'keydown', function( event ) {
+ var pickerContainer;
+ if ( 27 !== event.which ) { // Esc.
+ return;
+ }
+ pickerContainer = control.container.find( '.wp-picker-container' );
+ if ( pickerContainer.hasClass( 'wp-picker-active' ) ) {
+ picker.wpColorPicker( 'close' );
+ control.container.find( '.wp-color-result' ).focus();
+ event.stopPropagation(); // Prevent section from being collapsed.
+ }
+ } );
+ }
+ });
+
+ /**
+ * A control that implements the media modal.
+ *
+ * @class wp.customize.MediaControl
+ * @augments wp.customize.Control
+ */
+ api.MediaControl = api.Control.extend(/** @lends wp.customize.MediaControl.prototype */{
+
+ /**
+ * When the control's DOM structure is ready,
+ * set up internal event bindings.
+ */
+ ready: function() {
+ var control = this;
+ // Shortcut so that we don't have to use _.bind every time we add a callback.
+ _.bindAll( control, 'restoreDefault', 'removeFile', 'openFrame', 'select', 'pausePlayer' );
+
+ // Bind events, with delegation to facilitate re-rendering.
+ control.container.on( 'click keydown', '.upload-button', control.openFrame );
+ control.container.on( 'click keydown', '.upload-button', control.pausePlayer );
+ control.container.on( 'click keydown', '.thumbnail-image img', control.openFrame );
+ control.container.on( 'click keydown', '.default-button', control.restoreDefault );
+ control.container.on( 'click keydown', '.remove-button', control.pausePlayer );
+ control.container.on( 'click keydown', '.remove-button', control.removeFile );
+ control.container.on( 'click keydown', '.remove-button', control.cleanupPlayer );
+
+ // Resize the player controls when it becomes visible (ie when section is expanded)
+ api.section( control.section() ).container
+ .on( 'expanded', function() {
+ if ( control.player ) {
+ control.player.setControlsSize();
+ }
+ })
+ .on( 'collapsed', function() {
+ control.pausePlayer();
+ });
+
+ /**
+ * Set attachment data and render content.
+ *
+ * Note that BackgroundImage.prototype.ready applies this ready method
+ * to itself. Since BackgroundImage is an UploadControl, the value
+ * is the attachment URL instead of the attachment ID. In this case
+ * we skip fetching the attachment data because we have no ID available,
+ * and it is the responsibility of the UploadControl to set the control's
+ * attachmentData before calling the renderContent method.
+ *
+ * @param {number|string} value Attachment
+ */
+ function setAttachmentDataAndRenderContent( value ) {
+ var hasAttachmentData = $.Deferred();
+
+ if ( control.extended( api.UploadControl ) ) {
+ hasAttachmentData.resolve();
+ } else {
+ value = parseInt( value, 10 );
+ if ( _.isNaN( value ) || value <= 0 ) {
+ delete control.params.attachment;
+ hasAttachmentData.resolve();
+ } else if ( control.params.attachment && control.params.attachment.id === value ) {
+ hasAttachmentData.resolve();
+ }
+ }
+
+ // Fetch the attachment data.
+ if ( 'pending' === hasAttachmentData.state() ) {
+ wp.media.attachment( value ).fetch().done( function() {
+ control.params.attachment = this.attributes;
+ hasAttachmentData.resolve();
+
+ // Send attachment information to the preview for possible use in `postMessage` transport.
+ wp.customize.previewer.send( control.setting.id + '-attachment-data', this.attributes );
+ } );
+ }
+
+ hasAttachmentData.done( function() {
+ control.renderContent();
+ } );
+ }
+
+ // Ensure attachment data is initially set (for dynamically-instantiated controls).
+ setAttachmentDataAndRenderContent( control.setting() );
+
+ // Update the attachment data and re-render the control when the setting changes.
+ control.setting.bind( setAttachmentDataAndRenderContent );
+ },
+
+ pausePlayer: function () {
+ this.player && this.player.pause();
+ },
+
+ cleanupPlayer: function () {
+ this.player && wp.media.mixin.removePlayer( this.player );
+ },
+
+ /**
+ * Open the media modal.
+ */
+ openFrame: function( event ) {
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+
+ event.preventDefault();
+
+ if ( ! this.frame ) {
+ this.initFrame();
+ }
+
+ this.frame.open();
+ },
+
+ /**
+ * Create a media modal select frame, and store it so the instance can be reused when needed.
+ */
+ initFrame: function() {
+ this.frame = wp.media({
+ button: {
+ text: this.params.button_labels.frame_button
+ },
+ states: [
+ new wp.media.controller.Library({
+ title: this.params.button_labels.frame_title,
+ library: wp.media.query({ type: this.params.mime_type }),
+ multiple: false,
+ date: false
+ })
+ ]
+ });
+
+ // When a file is selected, run a callback.
+ this.frame.on( 'select', this.select );
+ },
+
+ /**
+ * Callback handler for when an attachment is selected in the media modal.
+ * Gets the selected image information, and sets it within the control.
+ */
+ select: function() {
+ // Get the attachment from the modal frame.
+ var node,
+ attachment = this.frame.state().get( 'selection' ).first().toJSON(),
+ mejsSettings = window._wpmejsSettings || {};
+
+ this.params.attachment = attachment;
+
+ // Set the Customizer setting; the callback takes care of rendering.
+ this.setting( attachment.id );
+ node = this.container.find( 'audio, video' ).get(0);
+
+ // Initialize audio/video previews.
+ if ( node ) {
+ this.player = new MediaElementPlayer( node, mejsSettings );
+ } else {
+ this.cleanupPlayer();
+ }
+ },
+
+ /**
+ * Reset the setting to the default value.
+ */
+ restoreDefault: function( event ) {
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+ event.preventDefault();
+
+ this.params.attachment = this.params.defaultAttachment;
+ this.setting( this.params.defaultAttachment.url );
+ },
+
+ /**
+ * Called when the "Remove" link is clicked. Empties the setting.
+ *
+ * @param {object} event jQuery Event object
+ */
+ removeFile: function( event ) {
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+ event.preventDefault();
+
+ this.params.attachment = {};
+ this.setting( '' );
+ this.renderContent(); // Not bound to setting change when emptying.
+ }
+ });
+
+ /**
+ * An upload control, which utilizes the media modal.
+ *
+ * @class wp.customize.UploadControl
+ * @augments wp.customize.MediaControl
+ */
+ api.UploadControl = api.MediaControl.extend(/** @lends wp.customize.UploadControl.prototype */{
+
+ /**
+ * Callback handler for when an attachment is selected in the media modal.
+ * Gets the selected image information, and sets it within the control.
+ */
+ select: function() {
+ // Get the attachment from the modal frame.
+ var node,
+ attachment = this.frame.state().get( 'selection' ).first().toJSON(),
+ mejsSettings = window._wpmejsSettings || {};
+
+ this.params.attachment = attachment;
+
+ // Set the Customizer setting; the callback takes care of rendering.
+ this.setting( attachment.url );
+ node = this.container.find( 'audio, video' ).get(0);
+
+ // Initialize audio/video previews.
+ if ( node ) {
+ this.player = new MediaElementPlayer( node, mejsSettings );
+ } else {
+ this.cleanupPlayer();
+ }
+ },
+
+ // @deprecated
+ success: function() {},
+
+ // @deprecated
+ removerVisibility: function() {}
+ });
+
+ /**
+ * A control for uploading images.
+ *
+ * This control no longer needs to do anything more
+ * than what the upload control does in JS.
+ *
+ * @class wp.customize.ImageControl
+ * @augments wp.customize.UploadControl
+ */
+ api.ImageControl = api.UploadControl.extend(/** @lends wp.customize.ImageControl.prototype */{
+ // @deprecated
+ thumbnailSrc: function() {}
+ });
+
+ /**
+ * A control for uploading background images.
+ *
+ * @class wp.customize.BackgroundControl
+ * @augments wp.customize.UploadControl
+ */
+ api.BackgroundControl = api.UploadControl.extend(/** @lends wp.customize.BackgroundControl.prototype */{
+
+ /**
+ * When the control's DOM structure is ready,
+ * set up internal event bindings.
+ */
+ ready: function() {
+ api.UploadControl.prototype.ready.apply( this, arguments );
+ },
+
+ /**
+ * Callback handler for when an attachment is selected in the media modal.
+ * Does an additional AJAX request for setting the background context.
+ */
+ select: function() {
+ api.UploadControl.prototype.select.apply( this, arguments );
+
+ wp.ajax.post( 'custom-background-add', {
+ nonce: _wpCustomizeBackground.nonces.add,
+ wp_customize: 'on',
+ customize_theme: api.settings.theme.stylesheet,
+ attachment_id: this.params.attachment.id
+ } );
+ }
+ });
+
+ /**
+ * A control for positioning a background image.
+ *
+ * @since 4.7.0
+ *
+ * @class wp.customize.BackgroundPositionControl
+ * @augments wp.customize.Control
+ */
+ api.BackgroundPositionControl = api.Control.extend(/** @lends wp.customize.BackgroundPositionControl.prototype */{
+
+ /**
+ * Set up control UI once embedded in DOM and settings are created.
+ *
+ * @since 4.7.0
+ * @access public
+ */
+ ready: function() {
+ var control = this, updateRadios;
+
+ control.container.on( 'change', 'input[name="background-position"]', function() {
+ var position = $( this ).val().split( ' ' );
+ control.settings.x( position[0] );
+ control.settings.y( position[1] );
+ } );
+
+ updateRadios = _.debounce( function() {
+ var x, y, radioInput, inputValue;
+ x = control.settings.x.get();
+ y = control.settings.y.get();
+ inputValue = String( x ) + ' ' + String( y );
+ radioInput = control.container.find( 'input[name="background-position"][value="' + inputValue + '"]' );
+ radioInput.click();
+ } );
+ control.settings.x.bind( updateRadios );
+ control.settings.y.bind( updateRadios );
+
+ updateRadios(); // Set initial UI.
+ }
+ } );
+
+ /**
+ * A control for selecting and cropping an image.
+ *
+ * @class wp.customize.CroppedImageControl
+ * @augments wp.customize.MediaControl
+ */
+ api.CroppedImageControl = api.MediaControl.extend(/** @lends wp.customize.CroppedImageControl.prototype */{
+
+ /**
+ * Open the media modal to the library state.
+ */
+ openFrame: function( event ) {
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+
+ this.initFrame();
+ this.frame.setState( 'library' ).open();
+ },
+
+ /**
+ * Create a media modal select frame, and store it so the instance can be reused when needed.
+ */
+ initFrame: function() {
+ var l10n = _wpMediaViewsL10n;
+
+ this.frame = wp.media({
+ button: {
+ text: l10n.select,
+ close: false
+ },
+ states: [
+ new wp.media.controller.Library({
+ title: this.params.button_labels.frame_title,
+ library: wp.media.query({ type: 'image' }),
+ multiple: false,
+ date: false,
+ priority: 20,
+ suggestedWidth: this.params.width,
+ suggestedHeight: this.params.height
+ }),
+ new wp.media.controller.CustomizeImageCropper({
+ imgSelectOptions: this.calculateImageSelectOptions,
+ control: this
+ })
+ ]
+ });
+
+ this.frame.on( 'select', this.onSelect, this );
+ this.frame.on( 'cropped', this.onCropped, this );
+ this.frame.on( 'skippedcrop', this.onSkippedCrop, this );
+ },
+
+ /**
+ * After an image is selected in the media modal, switch to the cropper
+ * state if the image isn't the right size.
+ */
+ onSelect: function() {
+ var attachment = this.frame.state().get( 'selection' ).first().toJSON();
+
+ if ( this.params.width === attachment.width && this.params.height === attachment.height && ! this.params.flex_width && ! this.params.flex_height ) {
+ this.setImageFromAttachment( attachment );
+ this.frame.close();
+ } else {
+ this.frame.setState( 'cropper' );
+ }
+ },
+
+ /**
+ * After the image has been cropped, apply the cropped image data to the setting.
+ *
+ * @param {object} croppedImage Cropped attachment data.
+ */
+ onCropped: function( croppedImage ) {
+ this.setImageFromAttachment( croppedImage );
+ },
+
+ /**
+ * Returns a set of options, computed from the attached image data and
+ * control-specific data, to be fed to the imgAreaSelect plugin in
+ * wp.media.view.Cropper.
+ *
+ * @param {wp.media.model.Attachment} attachment
+ * @param {wp.media.controller.Cropper} controller
+ * @returns {Object} Options
+ */
+ calculateImageSelectOptions: function( attachment, controller ) {
+ var control = controller.get( 'control' ),
+ flexWidth = !! parseInt( control.params.flex_width, 10 ),
+ flexHeight = !! parseInt( control.params.flex_height, 10 ),
+ realWidth = attachment.get( 'width' ),
+ realHeight = attachment.get( 'height' ),
+ xInit = parseInt( control.params.width, 10 ),
+ yInit = parseInt( control.params.height, 10 ),
+ ratio = xInit / yInit,
+ xImg = xInit,
+ yImg = yInit,
+ x1, y1, imgSelectOptions;
+
+ controller.set( 'canSkipCrop', ! control.mustBeCropped( flexWidth, flexHeight, xInit, yInit, realWidth, realHeight ) );
+
+ if ( realWidth / realHeight > ratio ) {
+ yInit = realHeight;
+ xInit = yInit * ratio;
+ } else {
+ xInit = realWidth;
+ yInit = xInit / ratio;
+ }
+
+ x1 = ( realWidth - xInit ) / 2;
+ y1 = ( realHeight - yInit ) / 2;
+
+ imgSelectOptions = {
+ handles: true,
+ keys: true,
+ instance: true,
+ persistent: true,
+ imageWidth: realWidth,
+ imageHeight: realHeight,
+ minWidth: xImg > xInit ? xInit : xImg,
+ minHeight: yImg > yInit ? yInit : yImg,
+ x1: x1,
+ y1: y1,
+ x2: xInit + x1,
+ y2: yInit + y1
+ };
+
+ if ( flexHeight === false && flexWidth === false ) {
+ imgSelectOptions.aspectRatio = xInit + ':' + yInit;
+ }
+
+ if ( true === flexHeight ) {
+ delete imgSelectOptions.minHeight;
+ imgSelectOptions.maxWidth = realWidth;
+ }
+
+ if ( true === flexWidth ) {
+ delete imgSelectOptions.minWidth;
+ imgSelectOptions.maxHeight = realHeight;
+ }
+
+ return imgSelectOptions;
+ },
+
+ /**
+ * Return whether the image must be cropped, based on required dimensions.
+ *
+ * @param {bool} flexW
+ * @param {bool} flexH
+ * @param {int} dstW
+ * @param {int} dstH
+ * @param {int} imgW
+ * @param {int} imgH
+ * @return {bool}
+ */
+ mustBeCropped: function( flexW, flexH, dstW, dstH, imgW, imgH ) {
+ if ( true === flexW && true === flexH ) {
+ return false;
+ }
+
+ if ( true === flexW && dstH === imgH ) {
+ return false;
+ }
+
+ if ( true === flexH && dstW === imgW ) {
+ return false;
+ }
+
+ if ( dstW === imgW && dstH === imgH ) {
+ return false;
+ }
+
+ if ( imgW <= dstW ) {
+ return false;
+ }
+
+ return true;
+ },
+
+ /**
+ * If cropping was skipped, apply the image data directly to the setting.
+ */
+ onSkippedCrop: function() {
+ var attachment = this.frame.state().get( 'selection' ).first().toJSON();
+ this.setImageFromAttachment( attachment );
+ },
+
+ /**
+ * Updates the setting and re-renders the control UI.
+ *
+ * @param {object} attachment
+ */
+ setImageFromAttachment: function( attachment ) {
+ this.params.attachment = attachment;
+
+ // Set the Customizer setting; the callback takes care of rendering.
+ this.setting( attachment.id );
+ }
+ });
+
+ /**
+ * A control for selecting and cropping Site Icons.
+ *
+ * @class wp.customize.SiteIconControl
+ * @augments wp.customize.CroppedImageControl
+ */
+ api.SiteIconControl = api.CroppedImageControl.extend(/** @lends wp.customize.SiteIconControl.prototype */{
+
+ /**
+ * Create a media modal select frame, and store it so the instance can be reused when needed.
+ */
+ initFrame: function() {
+ var l10n = _wpMediaViewsL10n;
+
+ this.frame = wp.media({
+ button: {
+ text: l10n.select,
+ close: false
+ },
+ states: [
+ new wp.media.controller.Library({
+ title: this.params.button_labels.frame_title,
+ library: wp.media.query({ type: 'image' }),
+ multiple: false,
+ date: false,
+ priority: 20,
+ suggestedWidth: this.params.width,
+ suggestedHeight: this.params.height
+ }),
+ new wp.media.controller.SiteIconCropper({
+ imgSelectOptions: this.calculateImageSelectOptions,
+ control: this
+ })
+ ]
+ });
+
+ this.frame.on( 'select', this.onSelect, this );
+ this.frame.on( 'cropped', this.onCropped, this );
+ this.frame.on( 'skippedcrop', this.onSkippedCrop, this );
+ },
+
+ /**
+ * After an image is selected in the media modal, switch to the cropper
+ * state if the image isn't the right size.
+ */
+ onSelect: function() {
+ var attachment = this.frame.state().get( 'selection' ).first().toJSON(),
+ controller = this;
+
+ if ( this.params.width === attachment.width && this.params.height === attachment.height && ! this.params.flex_width && ! this.params.flex_height ) {
+ wp.ajax.post( 'crop-image', {
+ nonce: attachment.nonces.edit,
+ id: attachment.id,
+ context: 'site-icon',
+ cropDetails: {
+ x1: 0,
+ y1: 0,
+ width: this.params.width,
+ height: this.params.height,
+ dst_width: this.params.width,
+ dst_height: this.params.height
+ }
+ } ).done( function( croppedImage ) {
+ controller.setImageFromAttachment( croppedImage );
+ controller.frame.close();
+ } ).fail( function() {
+ controller.frame.trigger('content:error:crop');
+ } );
+ } else {
+ this.frame.setState( 'cropper' );
+ }
+ },
+
+ /**
+ * Updates the setting and re-renders the control UI.
+ *
+ * @param {object} attachment
+ */
+ setImageFromAttachment: function( attachment ) {
+ var sizes = [ 'site_icon-32', 'thumbnail', 'full' ], link,
+ icon;
+
+ _.each( sizes, function( size ) {
+ if ( ! icon && ! _.isUndefined ( attachment.sizes[ size ] ) ) {
+ icon = attachment.sizes[ size ];
+ }
+ } );
+
+ this.params.attachment = attachment;
+
+ // Set the Customizer setting; the callback takes care of rendering.
+ this.setting( attachment.id );
+
+ if ( ! icon ) {
+ return;
+ }
+
+ // Update the icon in-browser.
+ link = $( 'link[rel="icon"][sizes="32x32"]' );
+ link.attr( 'href', icon.url );
+ },
+
+ /**
+ * Called when the "Remove" link is clicked. Empties the setting.
+ *
+ * @param {object} event jQuery Event object
+ */
+ removeFile: function( event ) {
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+ event.preventDefault();
+
+ this.params.attachment = {};
+ this.setting( '' );
+ this.renderContent(); // Not bound to setting change when emptying.
+ $( 'link[rel="icon"][sizes="32x32"]' ).attr( 'href', '/favicon.ico' ); // Set to default.
+ }
+ });
+
+ /**
+ * @class wp.customize.HeaderControl
+ * @augments wp.customize.Control
+ */
+ api.HeaderControl = api.Control.extend(/** @lends wp.customize.HeaderControl.prototype */{
+ ready: function() {
+ this.btnRemove = $('#customize-control-header_image .actions .remove');
+ this.btnNew = $('#customize-control-header_image .actions .new');
+
+ _.bindAll(this, 'openMedia', 'removeImage');
+
+ this.btnNew.on( 'click', this.openMedia );
+ this.btnRemove.on( 'click', this.removeImage );
+
+ api.HeaderTool.currentHeader = this.getInitialHeaderImage();
+
+ new api.HeaderTool.CurrentView({
+ model: api.HeaderTool.currentHeader,
+ el: '#customize-control-header_image .current .container'
+ });
+
+ new api.HeaderTool.ChoiceListView({
+ collection: api.HeaderTool.UploadsList = new api.HeaderTool.ChoiceList(),
+ el: '#customize-control-header_image .choices .uploaded .list'
+ });
+
+ new api.HeaderTool.ChoiceListView({
+ collection: api.HeaderTool.DefaultsList = new api.HeaderTool.DefaultsList(),
+ el: '#customize-control-header_image .choices .default .list'
+ });
+
+ api.HeaderTool.combinedList = api.HeaderTool.CombinedList = new api.HeaderTool.CombinedList([
+ api.HeaderTool.UploadsList,
+ api.HeaderTool.DefaultsList
+ ]);
+
+ // Ensure custom-header-crop Ajax requests bootstrap the Customizer to activate the previewed theme.
+ wp.media.controller.Cropper.prototype.defaults.doCropArgs.wp_customize = 'on';
+ wp.media.controller.Cropper.prototype.defaults.doCropArgs.customize_theme = api.settings.theme.stylesheet;
+ },
+
+ /**
+ * Returns a new instance of api.HeaderTool.ImageModel based on the currently
+ * saved header image (if any).
+ *
+ * @since 4.2.0
+ *
+ * @returns {Object} Options
+ */
+ getInitialHeaderImage: function() {
+ if ( ! api.get().header_image || ! api.get().header_image_data || _.contains( [ 'remove-header', 'random-default-image', 'random-uploaded-image' ], api.get().header_image ) ) {
+ return new api.HeaderTool.ImageModel();
+ }
+
+ // Get the matching uploaded image object.
+ var currentHeaderObject = _.find( _wpCustomizeHeader.uploads, function( imageObj ) {
+ return ( imageObj.attachment_id === api.get().header_image_data.attachment_id );
+ } );
+ // Fall back to raw current header image.
+ if ( ! currentHeaderObject ) {
+ currentHeaderObject = {
+ url: api.get().header_image,
+ thumbnail_url: api.get().header_image,
+ attachment_id: api.get().header_image_data.attachment_id
+ };
+ }
+
+ return new api.HeaderTool.ImageModel({
+ header: currentHeaderObject,
+ choice: currentHeaderObject.url.split( '/' ).pop()
+ });
+ },
+
+ /**
+ * Returns a set of options, computed from the attached image data and
+ * theme-specific data, to be fed to the imgAreaSelect plugin in
+ * wp.media.view.Cropper.
+ *
+ * @param {wp.media.model.Attachment} attachment
+ * @param {wp.media.controller.Cropper} controller
+ * @returns {Object} Options
+ */
+ calculateImageSelectOptions: function(attachment, controller) {
+ var xInit = parseInt(_wpCustomizeHeader.data.width, 10),
+ yInit = parseInt(_wpCustomizeHeader.data.height, 10),
+ flexWidth = !! parseInt(_wpCustomizeHeader.data['flex-width'], 10),
+ flexHeight = !! parseInt(_wpCustomizeHeader.data['flex-height'], 10),
+ ratio, xImg, yImg, realHeight, realWidth,
+ imgSelectOptions;
+
+ realWidth = attachment.get('width');
+ realHeight = attachment.get('height');
+
+ this.headerImage = new api.HeaderTool.ImageModel();
+ this.headerImage.set({
+ themeWidth: xInit,
+ themeHeight: yInit,
+ themeFlexWidth: flexWidth,
+ themeFlexHeight: flexHeight,
+ imageWidth: realWidth,
+ imageHeight: realHeight
+ });
+
+ controller.set( 'canSkipCrop', ! this.headerImage.shouldBeCropped() );
+
+ ratio = xInit / yInit;
+ xImg = realWidth;
+ yImg = realHeight;
+
+ if ( xImg / yImg > ratio ) {
+ yInit = yImg;
+ xInit = yInit * ratio;
+ } else {
+ xInit = xImg;
+ yInit = xInit / ratio;
+ }
+
+ imgSelectOptions = {
+ handles: true,
+ keys: true,
+ instance: true,
+ persistent: true,
+ imageWidth: realWidth,
+ imageHeight: realHeight,
+ x1: 0,
+ y1: 0,
+ x2: xInit,
+ y2: yInit
+ };
+
+ if (flexHeight === false && flexWidth === false) {
+ imgSelectOptions.aspectRatio = xInit + ':' + yInit;
+ }
+ if (flexHeight === false ) {
+ imgSelectOptions.maxHeight = yInit;
+ }
+ if (flexWidth === false ) {
+ imgSelectOptions.maxWidth = xInit;
+ }
+
+ return imgSelectOptions;
+ },
+
+ /**
+ * Sets up and opens the Media Manager in order to select an image.
+ * Depending on both the size of the image and the properties of the
+ * current theme, a cropping step after selection may be required or
+ * skippable.
+ *
+ * @param {event} event
+ */
+ openMedia: function(event) {
+ var l10n = _wpMediaViewsL10n;
+
+ event.preventDefault();
+
+ this.frame = wp.media({
+ button: {
+ text: l10n.selectAndCrop,
+ close: false
+ },
+ states: [
+ new wp.media.controller.Library({
+ title: l10n.chooseImage,
+ library: wp.media.query({ type: 'image' }),
+ multiple: false,
+ date: false,
+ priority: 20,
+ suggestedWidth: _wpCustomizeHeader.data.width,
+ suggestedHeight: _wpCustomizeHeader.data.height
+ }),
+ new wp.media.controller.Cropper({
+ imgSelectOptions: this.calculateImageSelectOptions
+ })
+ ]
+ });
+
+ this.frame.on('select', this.onSelect, this);
+ this.frame.on('cropped', this.onCropped, this);
+ this.frame.on('skippedcrop', this.onSkippedCrop, this);
+
+ this.frame.open();
+ },
+
+ /**
+ * After an image is selected in the media modal,
+ * switch to the cropper state.
+ */
+ onSelect: function() {
+ this.frame.setState('cropper');
+ },
+
+ /**
+ * After the image has been cropped, apply the cropped image data to the setting.
+ *
+ * @param {object} croppedImage Cropped attachment data.
+ */
+ onCropped: function(croppedImage) {
+ var url = croppedImage.url,
+ attachmentId = croppedImage.attachment_id,
+ w = croppedImage.width,
+ h = croppedImage.height;
+ this.setImageFromURL(url, attachmentId, w, h);
+ },
+
+ /**
+ * If cropping was skipped, apply the image data directly to the setting.
+ *
+ * @param {object} selection
+ */
+ onSkippedCrop: function(selection) {
+ var url = selection.get('url'),
+ w = selection.get('width'),
+ h = selection.get('height');
+ this.setImageFromURL(url, selection.id, w, h);
+ },
+
+ /**
+ * Creates a new wp.customize.HeaderTool.ImageModel from provided
+ * header image data and inserts it into the user-uploaded headers
+ * collection.
+ *
+ * @param {String} url
+ * @param {Number} attachmentId
+ * @param {Number} width
+ * @param {Number} height
+ */
+ setImageFromURL: function(url, attachmentId, width, height) {
+ var choice, data = {};
+
+ data.url = url;
+ data.thumbnail_url = url;
+ data.timestamp = _.now();
+
+ if (attachmentId) {
+ data.attachment_id = attachmentId;
+ }
+
+ if (width) {
+ data.width = width;
+ }
+
+ if (height) {
+ data.height = height;
+ }
+
+ choice = new api.HeaderTool.ImageModel({
+ header: data,
+ choice: url.split('/').pop()
+ });
+ api.HeaderTool.UploadsList.add(choice);
+ api.HeaderTool.currentHeader.set(choice.toJSON());
+ choice.save();
+ choice.importImage();
+ },
+
+ /**
+ * Triggers the necessary events to deselect an image which was set as
+ * the currently selected one.
+ */
+ removeImage: function() {
+ api.HeaderTool.currentHeader.trigger('hide');
+ api.HeaderTool.CombinedList.trigger('control:removeImage');
+ }
+
+ });
+
+ /**
+ * wp.customize.ThemeControl
+ *
+ * @class wp.customize.ThemeControl
+ * @augments wp.customize.Control
+ */
+ api.ThemeControl = api.Control.extend(/** @lends wp.customize.ThemeControl.prototype */{
+
+ touchDrag: false,
+ screenshotRendered: false,
+
+ /**
+ * @since 4.2.0
+ */
+ ready: function() {
+ var control = this, panel = api.panel( 'themes' );
+
+ function disableSwitchButtons() {
+ return ! panel.canSwitchTheme( control.params.theme.id );
+ }
+
+ // Temporary special function since supplying SFTP credentials does not work yet. See #42184.
+ function disableInstallButtons() {
+ return disableSwitchButtons() || false === api.settings.theme._canInstall || true === api.settings.theme._filesystemCredentialsNeeded;
+ }
+ function updateButtons() {
+ control.container.find( 'button.preview, button.preview-theme' ).toggleClass( 'disabled', disableSwitchButtons() );
+ control.container.find( 'button.theme-install' ).toggleClass( 'disabled', disableInstallButtons() );
+ }
+
+ api.state( 'selectedChangesetStatus' ).bind( updateButtons );
+ api.state( 'changesetStatus' ).bind( updateButtons );
+ updateButtons();
+
+ control.container.on( 'touchmove', '.theme', function() {
+ control.touchDrag = true;
+ });
+
+ // Bind details view trigger.
+ control.container.on( 'click keydown touchend', '.theme', function( event ) {
+ var section;
+ if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
+ return;
+ }
+
+ // Bail if the user scrolled on a touch device.
+ if ( control.touchDrag === true ) {
+ return control.touchDrag = false;
+ }
+
+ // Prevent the modal from showing when the user clicks the action button.
+ if ( $( event.target ).is( '.theme-actions .button, .update-theme' ) ) {
+ return;
+ }
+
+ event.preventDefault(); // Keep this AFTER the key filter above
+ section = api.section( control.section() );
+ section.showDetails( control.params.theme, function() {
+
+ // Temporary special function since supplying SFTP credentials does not work yet. See #42184.
+ if ( api.settings.theme._filesystemCredentialsNeeded ) {
+ section.overlay.find( '.theme-actions .delete-theme' ).remove();
+ }
+ } );
+ });
+
+ control.container.on( 'render-screenshot', function() {
+ var $screenshot = $( this ).find( 'img' ),
+ source = $screenshot.data( 'src' );
+
+ if ( source ) {
+ $screenshot.attr( 'src', source );
+ }
+ control.screenshotRendered = true;
+ });
+ },
+
+ /**
+ * Show or hide the theme based on the presence of the term in the title, description, tags, and author.
+ *
+ * @since 4.2.0
+ * @param {Array} terms - An array of terms to search for.
+ * @returns {boolean} Whether a theme control was activated or not.
+ */
+ filter: function( terms ) {
+ var control = this,
+ matchCount = 0,
+ haystack = control.params.theme.name + ' ' +
+ control.params.theme.description + ' ' +
+ control.params.theme.tags + ' ' +
+ control.params.theme.author + ' ';
+ haystack = haystack.toLowerCase().replace( '-', ' ' );
+
+ // Back-compat for behavior in WordPress 4.2.0 to 4.8.X.
+ if ( ! _.isArray( terms ) ) {
+ terms = [ terms ];
+ }
+
+ // Always give exact name matches highest ranking.
+ if ( control.params.theme.name.toLowerCase() === terms.join( ' ' ) ) {
+ matchCount = 100;
+ } else {
+
+ // Search for and weight (by 10) complete term matches.
+ matchCount = matchCount + 10 * ( haystack.split( terms.join( ' ' ) ).length - 1 );
+
+ // Search for each term individually (as whole-word and partial match) and sum weighted match counts.
+ _.each( terms, function( term ) {
+ matchCount = matchCount + 2 * ( haystack.split( term + ' ' ).length - 1 ); // Whole-word, double-weighted.
+ matchCount = matchCount + haystack.split( term ).length - 1; // Partial word, to minimize empty intermediate searches while typing.
+ });
+
+ // Upper limit on match ranking.
+ if ( matchCount > 99 ) {
+ matchCount = 99;
+ }
+ }
+
+ if ( 0 !== matchCount ) {
+ control.activate();
+ control.params.priority = 101 - matchCount; // Sort results by match count.
+ return true;
+ } else {
+ control.deactivate(); // Hide control
+ control.params.priority = 101;
+ return false;
+ }
+ },
+
+ /**
+ * Rerender the theme from its JS template with the installed type.
+ *
+ * @since 4.9.0
+ *
+ * @returns {void}
+ */
+ rerenderAsInstalled: function( installed ) {
+ var control = this, section;
+ if ( installed ) {
+ control.params.theme.type = 'installed';
+ } else {
+ section = api.section( control.params.section );
+ control.params.theme.type = section.params.action;
+ }
+ control.renderContent(); // Replaces existing content.
+ control.container.trigger( 'render-screenshot' );
+ }
+ });
+
+ /**
+ * Class wp.customize.CodeEditorControl
+ *
+ * @since 4.9.0
+ *
+ * @class wp.customize.CodeEditorControl
+ * @augments wp.customize.Control
+ */
+ api.CodeEditorControl = api.Control.extend(/** @lends wp.customize.CodeEditorControl.prototype */{
+
+ /**
+ * Initialize.
+ *
+ * @since 4.9.0
+ * @param {string} id - Unique identifier for the control instance.
+ * @param {object} options - Options hash for the control instance.
+ * @returns {void}
+ */
+ initialize: function( id, options ) {
+ var control = this;
+ control.deferred = _.extend( control.deferred || {}, {
+ codemirror: $.Deferred()
+ } );
+ api.Control.prototype.initialize.call( control, id, options );
+
+ // Note that rendering is debounced so the props will be used when rendering happens after add event.
+ control.notifications.bind( 'add', function( notification ) {
+
+ // Skip if control notification is not from setting csslint_error notification.
+ if ( notification.code !== control.setting.id + ':csslint_error' ) {
+ return;
+ }
+
+ // Customize the template and behavior of csslint_error notifications.
+ notification.templateId = 'customize-code-editor-lint-error-notification';
+ notification.render = (function( render ) {
+ return function() {
+ var li = render.call( this );
+ li.find( 'input[type=checkbox]' ).on( 'click', function() {
+ control.setting.notifications.remove( 'csslint_error' );
+ } );
+ return li;
+ };
+ })( notification.render );
+ } );
+ },
+
+ /**
+ * Initialize the editor when the containing section is ready and expanded.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ ready: function() {
+ var control = this;
+ if ( ! control.section() ) {
+ control.initEditor();
+ return;
+ }
+
+ // Wait to initialize editor until section is embedded and expanded.
+ api.section( control.section(), function( section ) {
+ section.deferred.embedded.done( function() {
+ var onceExpanded;
+ if ( section.expanded() ) {
+ control.initEditor();
+ } else {
+ onceExpanded = function( isExpanded ) {
+ if ( isExpanded ) {
+ control.initEditor();
+ section.expanded.unbind( onceExpanded );
+ }
+ };
+ section.expanded.bind( onceExpanded );
+ }
+ } );
+ } );
+ },
+
+ /**
+ * Initialize editor.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ initEditor: function() {
+ var control = this, element, editorSettings = false;
+
+ // Obtain editorSettings for instantiation.
+ if ( wp.codeEditor && ( _.isUndefined( control.params.editor_settings ) || false !== control.params.editor_settings ) ) {
+
+ // Obtain default editor settings.
+ editorSettings = wp.codeEditor.defaultSettings ? _.clone( wp.codeEditor.defaultSettings ) : {};
+ editorSettings.codemirror = _.extend(
+ {},
+ editorSettings.codemirror,
+ {
+ indentUnit: 2,
+ tabSize: 2
+ }
+ );
+
+ // Merge editor_settings param on top of defaults.
+ if ( _.isObject( control.params.editor_settings ) ) {
+ _.each( control.params.editor_settings, function( value, key ) {
+ if ( _.isObject( value ) ) {
+ editorSettings[ key ] = _.extend(
+ {},
+ editorSettings[ key ],
+ value
+ );
+ }
+ } );
+ }
+ }
+
+ element = new api.Element( control.container.find( 'textarea' ) );
+ control.elements.push( element );
+ element.sync( control.setting );
+ element.set( control.setting() );
+
+ if ( editorSettings ) {
+ control.initSyntaxHighlightingEditor( editorSettings );
+ } else {
+ control.initPlainTextareaEditor();
+ }
+ },
+
+ /**
+ * Make sure editor gets focused when control is focused.
+ *
+ * @since 4.9.0
+ * @param {Object} [params] - Focus params.
+ * @param {Function} [params.completeCallback] - Function to call when expansion is complete.
+ * @returns {void}
+ */
+ focus: function( params ) {
+ var control = this, extendedParams = _.extend( {}, params ), originalCompleteCallback;
+ originalCompleteCallback = extendedParams.completeCallback;
+ extendedParams.completeCallback = function() {
+ if ( originalCompleteCallback ) {
+ originalCompleteCallback();
+ }
+ if ( control.editor ) {
+ control.editor.codemirror.focus();
+ }
+ };
+ api.Control.prototype.focus.call( control, extendedParams );
+ },
+
+ /**
+ * Initialize syntax-highlighting editor.
+ *
+ * @since 4.9.0
+ * @param {object} codeEditorSettings - Code editor settings.
+ * @returns {void}
+ */
+ initSyntaxHighlightingEditor: function( codeEditorSettings ) {
+ var control = this, $textarea = control.container.find( 'textarea' ), settings, suspendEditorUpdate = false;
+
+ settings = _.extend( {}, codeEditorSettings, {
+ onTabNext: _.bind( control.onTabNext, control ),
+ onTabPrevious: _.bind( control.onTabPrevious, control ),
+ onUpdateErrorNotice: _.bind( control.onUpdateErrorNotice, control )
+ });
+
+ control.editor = wp.codeEditor.initialize( $textarea, settings );
+
+ // Improve the editor accessibility.
+ $( control.editor.codemirror.display.lineDiv )
+ .attr({
+ role: 'textbox',
+ 'aria-multiline': 'true',
+ 'aria-label': control.params.label,
+ 'aria-describedby': 'editor-keyboard-trap-help-1 editor-keyboard-trap-help-2 editor-keyboard-trap-help-3 editor-keyboard-trap-help-4'
+ });
+
+ // Focus the editor when clicking on its label.
+ control.container.find( 'label' ).on( 'click', function() {
+ control.editor.codemirror.focus();
+ });
+
+ /*
+ * When the CodeMirror instance changes, mirror to the textarea,
+ * where we have our "true" change event handler bound.
+ */
+ control.editor.codemirror.on( 'change', function( codemirror ) {
+ suspendEditorUpdate = true;
+ $textarea.val( codemirror.getValue() ).trigger( 'change' );
+ suspendEditorUpdate = false;
+ });
+
+ // Update CodeMirror when the setting is changed by another plugin.
+ control.setting.bind( function( value ) {
+ if ( ! suspendEditorUpdate ) {
+ control.editor.codemirror.setValue( value );
+ }
+ });
+
+ // Prevent collapsing section when hitting Esc to tab out of editor.
+ control.editor.codemirror.on( 'keydown', function onKeydown( codemirror, event ) {
+ var escKeyCode = 27;
+ if ( escKeyCode === event.keyCode ) {
+ event.stopPropagation();
+ }
+ });
+
+ control.deferred.codemirror.resolveWith( control, [ control.editor.codemirror ] );
+ },
+
+ /**
+ * Handle tabbing to the field after the editor.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ onTabNext: function onTabNext() {
+ var control = this, controls, controlIndex, section;
+ section = api.section( control.section() );
+ controls = section.controls();
+ controlIndex = controls.indexOf( control );
+ if ( controls.length === controlIndex + 1 ) {
+ $( '#customize-footer-actions .collapse-sidebar' ).focus();
+ } else {
+ controls[ controlIndex + 1 ].container.find( ':focusable:first' ).focus();
+ }
+ },
+
+ /**
+ * Handle tabbing to the field before the editor.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ onTabPrevious: function onTabPrevious() {
+ var control = this, controls, controlIndex, section;
+ section = api.section( control.section() );
+ controls = section.controls();
+ controlIndex = controls.indexOf( control );
+ if ( 0 === controlIndex ) {
+ section.contentContainer.find( '.customize-section-title .customize-help-toggle, .customize-section-title .customize-section-description.open .section-description-close' ).last().focus();
+ } else {
+ controls[ controlIndex - 1 ].contentContainer.find( ':focusable:first' ).focus();
+ }
+ },
+
+ /**
+ * Update error notice.
+ *
+ * @since 4.9.0
+ * @param {Array} errorAnnotations - Error annotations.
+ * @returns {void}
+ */
+ onUpdateErrorNotice: function onUpdateErrorNotice( errorAnnotations ) {
+ var control = this, message;
+ control.setting.notifications.remove( 'csslint_error' );
+
+ if ( 0 !== errorAnnotations.length ) {
+ if ( 1 === errorAnnotations.length ) {
+ message = api.l10n.customCssError.singular.replace( '%d', '1' );
+ } else {
+ message = api.l10n.customCssError.plural.replace( '%d', String( errorAnnotations.length ) );
+ }
+ control.setting.notifications.add( new api.Notification( 'csslint_error', {
+ message: message,
+ type: 'error'
+ } ) );
+ }
+ },
+
+ /**
+ * Initialize plain-textarea editor when syntax highlighting is disabled.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ initPlainTextareaEditor: function() {
+ var control = this, $textarea = control.container.find( 'textarea' ), textarea = $textarea[0];
+
+ $textarea.on( 'blur', function onBlur() {
+ $textarea.data( 'next-tab-blurs', false );
+ } );
+
+ $textarea.on( 'keydown', function onKeydown( event ) {
+ var selectionStart, selectionEnd, value, tabKeyCode = 9, escKeyCode = 27;
+
+ if ( escKeyCode === event.keyCode ) {
+ if ( ! $textarea.data( 'next-tab-blurs' ) ) {
+ $textarea.data( 'next-tab-blurs', true );
+ event.stopPropagation(); // Prevent collapsing the section.
+ }
+ return;
+ }
+
+ // Short-circuit if tab key is not being pressed or if a modifier key *is* being pressed.
+ if ( tabKeyCode !== event.keyCode || event.ctrlKey || event.altKey || event.shiftKey ) {
+ return;
+ }
+
+ // Prevent capturing Tab characters if Esc was pressed.
+ if ( $textarea.data( 'next-tab-blurs' ) ) {
+ return;
+ }
+
+ selectionStart = textarea.selectionStart;
+ selectionEnd = textarea.selectionEnd;
+ value = textarea.value;
+
+ if ( selectionStart >= 0 ) {
+ textarea.value = value.substring( 0, selectionStart ).concat( '\t', value.substring( selectionEnd ) );
+ $textarea.selectionStart = textarea.selectionEnd = selectionStart + 1;
+ }
+
+ event.stopPropagation();
+ event.preventDefault();
+ });
+
+ control.deferred.codemirror.rejectWith( control );
+ }
+ });
+
+ /**
+ * Class wp.customize.DateTimeControl.
+ *
+ * @since 4.9.0
+ * @class wp.customize.DateTimeControl
+ * @augments wp.customize.Control
+ */
+ api.DateTimeControl = api.Control.extend(/** @lends wp.customize.DateTimeControl.prototype */{
+
+ /**
+ * Initialize behaviors.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ ready: function ready() {
+ var control = this;
+
+ control.inputElements = {};
+ control.invalidDate = false;
+
+ _.bindAll( control, 'populateSetting', 'updateDaysForMonth', 'populateDateInputs' );
+
+ if ( ! control.setting ) {
+ throw new Error( 'Missing setting' );
+ }
+
+ control.container.find( '.date-input' ).each( function() {
+ var input = $( this ), component, element;
+ component = input.data( 'component' );
+ element = new api.Element( input );
+ control.inputElements[ component ] = element;
+ control.elements.push( element );
+
+ // Add invalid date error once user changes (and has blurred the input).
+ input.on( 'change', function() {
+ if ( control.invalidDate ) {
+ control.notifications.add( new api.Notification( 'invalid_date', {
+ message: api.l10n.invalidDate
+ } ) );
+ }
+ } );
+
+ // Remove the error immediately after validity change.
+ input.on( 'input', _.debounce( function() {
+ if ( ! control.invalidDate ) {
+ control.notifications.remove( 'invalid_date' );
+ }
+ } ) );
+
+ // Add zero-padding when blurring field.
+ input.on( 'blur', _.debounce( function() {
+ if ( ! control.invalidDate ) {
+ control.populateDateInputs();
+ }
+ } ) );
+ } );
+
+ control.inputElements.month.bind( control.updateDaysForMonth );
+ control.inputElements.year.bind( control.updateDaysForMonth );
+ control.populateDateInputs();
+ control.setting.bind( control.populateDateInputs );
+
+ // Start populating setting after inputs have been populated.
+ _.each( control.inputElements, function( element ) {
+ element.bind( control.populateSetting );
+ } );
+ },
+
+ /**
+ * Parse datetime string.
+ *
+ * @since 4.9.0
+ *
+ * @param {string} datetime - Date/Time string. Accepts Y-m-d[ H:i[:s]] format.
+ * @returns {object|null} Returns object containing date components or null if parse error.
+ */
+ parseDateTime: function parseDateTime( datetime ) {
+ var control = this, matches, date, midDayHour = 12;
+
+ if ( datetime ) {
+ matches = datetime.match( /^(\d\d\d\d)-(\d\d)-(\d\d)(?: (\d\d):(\d\d)(?::(\d\d))?)?$/ );
+ }
+
+ if ( ! matches ) {
+ return null;
+ }
+
+ matches.shift();
+
+ date = {
+ year: matches.shift(),
+ month: matches.shift(),
+ day: matches.shift(),
+ hour: matches.shift() || '00',
+ minute: matches.shift() || '00',
+ second: matches.shift() || '00'
+ };
+
+ if ( control.params.includeTime && control.params.twelveHourFormat ) {
+ date.hour = parseInt( date.hour, 10 );
+ date.meridian = date.hour >= midDayHour ? 'pm' : 'am';
+ date.hour = date.hour % midDayHour ? String( date.hour % midDayHour ) : String( midDayHour );
+ delete date.second; // @todo Why only if twelveHourFormat?
+ }
+
+ return date;
+ },
+
+ /**
+ * Validates if input components have valid date and time.
+ *
+ * @since 4.9.0
+ * @return {boolean} If date input fields has error.
+ */
+ validateInputs: function validateInputs() {
+ var control = this, components, validityInput;
+
+ control.invalidDate = false;
+
+ components = [ 'year', 'day' ];
+ if ( control.params.includeTime ) {
+ components.push( 'hour', 'minute' );
+ }
+
+ _.find( components, function( component ) {
+ var element, max, min, value;
+
+ element = control.inputElements[ component ];
+ validityInput = element.element.get( 0 );
+ max = parseInt( element.element.attr( 'max' ), 10 );
+ min = parseInt( element.element.attr( 'min' ), 10 );
+ value = parseInt( element(), 10 );
+ control.invalidDate = isNaN( value ) || value > max || value < min;
+
+ if ( ! control.invalidDate ) {
+ validityInput.setCustomValidity( '' );
+ }
+
+ return control.invalidDate;
+ } );
+
+ if ( control.inputElements.meridian && ! control.invalidDate ) {
+ validityInput = control.inputElements.meridian.element.get( 0 );
+ if ( 'am' !== control.inputElements.meridian.get() && 'pm' !== control.inputElements.meridian.get() ) {
+ control.invalidDate = true;
+ } else {
+ validityInput.setCustomValidity( '' );
+ }
+ }
+
+ if ( control.invalidDate ) {
+ validityInput.setCustomValidity( api.l10n.invalidValue );
+ } else {
+ validityInput.setCustomValidity( '' );
+ }
+ if ( ! control.section() || api.section.has( control.section() ) && api.section( control.section() ).expanded() ) {
+ _.result( validityInput, 'reportValidity' );
+ }
+
+ return control.invalidDate;
+ },
+
+ /**
+ * Updates number of days according to the month and year selected.
+ *
+ * @since 4.9.0
+ * @return {void}
+ */
+ updateDaysForMonth: function updateDaysForMonth() {
+ var control = this, daysInMonth, year, month, day;
+
+ month = parseInt( control.inputElements.month(), 10 );
+ year = parseInt( control.inputElements.year(), 10 );
+ day = parseInt( control.inputElements.day(), 10 );
+
+ if ( month && year ) {
+ daysInMonth = new Date( year, month, 0 ).getDate();
+ control.inputElements.day.element.attr( 'max', daysInMonth );
+
+ if ( day > daysInMonth ) {
+ control.inputElements.day( String( daysInMonth ) );
+ }
+ }
+ },
+
+ /**
+ * Populate setting value from the inputs.
+ *
+ * @since 4.9.0
+ * @returns {boolean} If setting updated.
+ */
+ populateSetting: function populateSetting() {
+ var control = this, date;
+
+ if ( control.validateInputs() || ! control.params.allowPastDate && ! control.isFutureDate() ) {
+ return false;
+ }
+
+ date = control.convertInputDateToString();
+ control.setting.set( date );
+ return true;
+ },
+
+ /**
+ * Converts input values to string in Y-m-d H:i:s format.
+ *
+ * @since 4.9.0
+ * @return {string} Date string.
+ */
+ convertInputDateToString: function convertInputDateToString() {
+ var control = this, date = '', dateFormat, hourInTwentyFourHourFormat,
+ getElementValue, pad;
+
+ pad = function( number, padding ) {
+ var zeros;
+ if ( String( number ).length < padding ) {
+ zeros = padding - String( number ).length;
+ number = Math.pow( 10, zeros ).toString().substr( 1 ) + String( number );
+ }
+ return number;
+ };
+
+ getElementValue = function( component ) {
+ var value = parseInt( control.inputElements[ component ].get(), 10 );
+
+ if ( _.contains( [ 'month', 'day', 'hour', 'minute' ], component ) ) {
+ value = pad( value, 2 );
+ } else if ( 'year' === component ) {
+ value = pad( value, 4 );
+ }
+ return value;
+ };
+
+ dateFormat = [ 'year', '-', 'month', '-', 'day' ];
+ if ( control.params.includeTime ) {
+ hourInTwentyFourHourFormat = control.inputElements.meridian ? control.convertHourToTwentyFourHourFormat( control.inputElements.hour(), control.inputElements.meridian() ) : control.inputElements.hour();
+ dateFormat = dateFormat.concat( [ ' ', pad( hourInTwentyFourHourFormat, 2 ), ':', 'minute', ':', '00' ] );
+ }
+
+ _.each( dateFormat, function( component ) {
+ date += control.inputElements[ component ] ? getElementValue( component ) : component;
+ } );
+
+ return date;
+ },
+
+ /**
+ * Check if the date is in the future.
+ *
+ * @since 4.9.0
+ * @returns {boolean} True if future date.
+ */
+ isFutureDate: function isFutureDate() {
+ var control = this;
+ return 0 < api.utils.getRemainingTime( control.convertInputDateToString() );
+ },
+
+ /**
+ * Convert hour in twelve hour format to twenty four hour format.
+ *
+ * @since 4.9.0
+ * @param {string} hourInTwelveHourFormat - Hour in twelve hour format.
+ * @param {string} meridian - Either 'am' or 'pm'.
+ * @returns {string} Hour in twenty four hour format.
+ */
+ convertHourToTwentyFourHourFormat: function convertHour( hourInTwelveHourFormat, meridian ) {
+ var hourInTwentyFourHourFormat, hour, midDayHour = 12;
+
+ hour = parseInt( hourInTwelveHourFormat, 10 );
+ if ( isNaN( hour ) ) {
+ return '';
+ }
+
+ if ( 'pm' === meridian && hour < midDayHour ) {
+ hourInTwentyFourHourFormat = hour + midDayHour;
+ } else if ( 'am' === meridian && midDayHour === hour ) {
+ hourInTwentyFourHourFormat = hour - midDayHour;
+ } else {
+ hourInTwentyFourHourFormat = hour;
+ }
+
+ return String( hourInTwentyFourHourFormat );
+ },
+
+ /**
+ * Populates date inputs in date fields.
+ *
+ * @since 4.9.0
+ * @returns {boolean} Whether the inputs were populated.
+ */
+ populateDateInputs: function populateDateInputs() {
+ var control = this, parsed;
+
+ parsed = control.parseDateTime( control.setting.get() );
+
+ if ( ! parsed ) {
+ return false;
+ }
+
+ _.each( control.inputElements, function( element, component ) {
+ var value = parsed[ component ]; // This will be zero-padded string.
+
+ // Set month and meridian regardless of focused state since they are dropdowns.
+ if ( 'month' === component || 'meridian' === component ) {
+
+ // Options in dropdowns are not zero-padded.
+ value = value.replace( /^0/, '' );
+
+ element.set( value );
+ } else {
+
+ value = parseInt( value, 10 );
+ if ( ! element.element.is( document.activeElement ) ) {
+
+ // Populate element with zero-padded value if not focused.
+ element.set( parsed[ component ] );
+ } else if ( value !== parseInt( element(), 10 ) ) {
+
+ // Forcibly update the value if its underlying value changed, regardless of zero-padding.
+ element.set( String( value ) );
+ }
+ }
+ } );
+
+ return true;
+ },
+
+ /**
+ * Toggle future date notification for date control.
+ *
+ * @since 4.9.0
+ * @param {boolean} notify Add or remove the notification.
+ * @return {wp.customize.DateTimeControl}
+ */
+ toggleFutureDateNotification: function toggleFutureDateNotification( notify ) {
+ var control = this, notificationCode, notification;
+
+ notificationCode = 'not_future_date';
+
+ if ( notify ) {
+ notification = new api.Notification( notificationCode, {
+ type: 'error',
+ message: api.l10n.futureDateError
+ } );
+ control.notifications.add( notification );
+ } else {
+ control.notifications.remove( notificationCode );
+ }
+
+ return control;
+ }
+ });
+
+ /**
+ * Class PreviewLinkControl.
+ *
+ * @since 4.9.0
+ * @class wp.customize.PreviewLinkControl
+ * @augments wp.customize.Control
+ */
+ api.PreviewLinkControl = api.Control.extend(/** @lends wp.customize.PreviewLinkControl.prototype */{
+
+ defaults: _.extend( {}, api.Control.prototype.defaults, {
+ templateId: 'customize-preview-link-control'
+ } ),
+
+ /**
+ * Initialize behaviors.
+ *
+ * @since 4.9.0
+ * @returns {void}
+ */
+ ready: function ready() {
+ var control = this, element, component, node, url, input, button;
+
+ _.bindAll( control, 'updatePreviewLink' );
+
+ if ( ! control.setting ) {
+ control.setting = new api.Value();
+ }
+
+ control.previewElements = {};
+
+ control.container.find( '.preview-control-element' ).each( function() {
+ node = $( this );
+ component = node.data( 'component' );
+ element = new api.Element( node );
+ control.previewElements[ component ] = element;
+ control.elements.push( element );
+ } );
+
+ url = control.previewElements.url;
+ input = control.previewElements.input;
+ button = control.previewElements.button;
+
+ input.link( control.setting );
+ url.link( control.setting );
+
+ url.bind( function( value ) {
+ url.element.parent().attr( {
+ href: value,
+ target: api.settings.changeset.uuid
+ } );
+ } );
+
+ api.bind( 'ready', control.updatePreviewLink );
+ api.state( 'saved' ).bind( control.updatePreviewLink );
+ api.state( 'changesetStatus' ).bind( control.updatePreviewLink );
+ api.state( 'activated' ).bind( control.updatePreviewLink );
+ api.previewer.previewUrl.bind( control.updatePreviewLink );
+
+ button.element.on( 'click', function( event ) {
+ event.preventDefault();
+ if ( control.setting() ) {
+ input.element.select();
+ document.execCommand( 'copy' );
+ button( button.element.data( 'copied-text' ) );
+ }
+ } );
+
+ url.element.parent().on( 'click', function( event ) {
+ if ( $( this ).hasClass( 'disabled' ) ) {
+ event.preventDefault();
+ }
+ } );
+
+ button.element.on( 'mouseenter', function() {
+ if ( control.setting() ) {
+ button( button.element.data( 'copy-text' ) );
+ }
+ } );
+ },
+
+ /**
+ * Updates Preview Link
+ *
+ * @since 4.9.0
+ * @return {void}
+ */
+ updatePreviewLink: function updatePreviewLink() {
+ var control = this, unsavedDirtyValues;
+
+ unsavedDirtyValues = ! api.state( 'saved' ).get() || '' === api.state( 'changesetStatus' ).get() || 'auto-draft' === api.state( 'changesetStatus' ).get();
+
+ control.toggleSaveNotification( unsavedDirtyValues );
+ control.previewElements.url.element.parent().toggleClass( 'disabled', unsavedDirtyValues );
+ control.previewElements.button.element.prop( 'disabled', unsavedDirtyValues );
+ control.setting.set( api.previewer.getFrontendPreviewUrl() );
+ },
+
+ /**
+ * Toggles save notification.
+ *
+ * @since 4.9.0
+ * @param {boolean} notify Add or remove notification.
+ * @return {void}
+ */
+ toggleSaveNotification: function toggleSaveNotification( notify ) {
+ var control = this, notificationCode, notification;
+
+ notificationCode = 'changes_not_saved';
+
+ if ( notify ) {
+ notification = new api.Notification( notificationCode, {
+ type: 'info',
+ message: api.l10n.saveBeforeShare
+ } );
+ control.notifications.add( notification );
+ } else {
+ control.notifications.remove( notificationCode );
+ }
+ }
+ });
+
+ /**
+ * Change objects contained within the main customize object to Settings.
+ *
+ * @alias wp.customize.defaultConstructor
+ */
+ api.defaultConstructor = api.Setting;
+
+ /**
+ * Callback for resolved controls.
+ *
+ * @callback wp.customize.deferredControlsCallback
+ * @param {wp.customize.Control[]} controls Resolved controls.
+ */
+
+ /**
+ * Collection of all registered controls.
+ *
+ * @alias wp.customize.control
+ *
+ * @since 3.4.0
+ *
+ * @type {Function}
+ * @param {...string} ids - One or more ids for controls to obtain.
+ * @param {deferredControlsCallback} [callback] - Function called when all supplied controls exist.
+ * @returns {wp.customize.Control|undefined|jQuery.promise} Control instance or undefined (if function called with one id param), or promise resolving to requested controls.
+ *
+ * @example <caption>Loop over all registered controls.</caption>
+ * wp.customize.control.each( function( control ) { ... } );
+ *
+ * @example <caption>Getting `background_color` control instance.</caption>
+ * control = wp.customize.control( 'background_color' );
+ *
+ * @example <caption>Check if control exists.</caption>
+ * hasControl = wp.customize.control.has( 'background_color' );
+ *
+ * @example <caption>Deferred getting of `background_color` control until it exists, using callback.</caption>
+ * wp.customize.control( 'background_color', function( control ) { ... } );
+ *
+ * @example <caption>Get title and tagline controls when they both exist, using promise (only available when multiple IDs are present).</caption>
+ * promise = wp.customize.control( 'blogname', 'blogdescription' );
+ * promise.done( function( titleControl, taglineControl ) { ... } );
+ *
+ * @example <caption>Get title and tagline controls when they both exist, using callback.</caption>
+ * wp.customize.control( 'blogname', 'blogdescription', function( titleControl, taglineControl ) { ... } );
+ *
+ * @example <caption>Getting setting value for `background_color` control.</caption>
+ * value = wp.customize.control( 'background_color ').setting.get();
+ * value = wp.customize( 'background_color' ).get(); // Same as above, since setting ID and control ID are the same.
+ *
+ * @example <caption>Add new control for site title.</caption>
+ * wp.customize.control.add( new wp.customize.Control( 'other_blogname', {
+ * setting: 'blogname',
+ * type: 'text',
+ * label: 'Site title',
+ * section: 'other_site_identify'
+ * } ) );
+ *
+ * @example <caption>Remove control.</caption>
+ * wp.customize.control.remove( 'other_blogname' );
+ *
+ * @example <caption>Listen for control being added.</caption>
+ * wp.customize.control.bind( 'add', function( addedControl ) { ... } )
+ *
+ * @example <caption>Listen for control being removed.</caption>
+ * wp.customize.control.bind( 'removed', function( removedControl ) { ... } )
+ */
+ api.control = new api.Values({ defaultConstructor: api.Control });
+
+ /**
+ * Callback for resolved sections.
+ *
+ * @callback wp.customize.deferredSectionsCallback
+ * @param {wp.customize.Section[]} sections Resolved sections.
+ */
+
+ /**
+ * Collection of all registered sections.
+ *
+ * @alias wp.customize.section
+ *
+ * @since 3.4.0
+ *
+ * @type {Function}
+ * @param {...string} ids - One or more ids for sections to obtain.
+ * @param {deferredSectionsCallback} [callback] - Function called when all supplied sections exist.
+ * @returns {wp.customize.Section|undefined|jQuery.promise} Section instance or undefined (if function called with one id param), or promise resolving to requested sections.
+ *
+ * @example <caption>Loop over all registered sections.</caption>
+ * wp.customize.section.each( function( section ) { ... } )
+ *
+ * @example <caption>Getting `title_tagline` section instance.</caption>
+ * section = wp.customize.section( 'title_tagline' )
+ *
+ * @example <caption>Expand dynamically-created section when it exists.</caption>
+ * wp.customize.section( 'dynamically_created', function( section ) {
+ * section.expand();
+ * } );
+ *
+ * @see {@link wp.customize.control} for further examples of how to interact with {@link wp.customize.Values} instances.
+ */
+ api.section = new api.Values({ defaultConstructor: api.Section });
+
+ /**
+ * Callback for resolved panels.
+ *
+ * @callback wp.customize.deferredPanelsCallback
+ * @param {wp.customize.Panel[]} panels Resolved panels.
+ */
+
+ /**
+ * Collection of all registered panels.
+ *
+ * @alias wp.customize.panel
+ *
+ * @since 4.0.0
+ *
+ * @type {Function}
+ * @param {...string} ids - One or more ids for panels to obtain.
+ * @param {deferredPanelsCallback} [callback] - Function called when all supplied panels exist.
+ * @returns {wp.customize.Panel|undefined|jQuery.promise} Panel instance or undefined (if function called with one id param), or promise resolving to requested panels.
+ *
+ * @example <caption>Loop over all registered panels.</caption>
+ * wp.customize.panel.each( function( panel ) { ... } )
+ *
+ * @example <caption>Getting nav_menus panel instance.</caption>
+ * panel = wp.customize.panel( 'nav_menus' );
+ *
+ * @example <caption>Expand dynamically-created panel when it exists.</caption>
+ * wp.customize.panel( 'dynamically_created', function( panel ) {
+ * panel.expand();
+ * } );
+ *
+ * @see {@link wp.customize.control} for further examples of how to interact with {@link wp.customize.Values} instances.
+ */
+ api.panel = new api.Values({ defaultConstructor: api.Panel });
+
+ /**
+ * Callback for resolved notifications.
+ *
+ * @callback wp.customize.deferredNotificationsCallback
+ * @param {wp.customize.Notification[]} notifications Resolved notifications.
+ */
+
+ /**
+ * Collection of all global notifications.
+ *
+ * @alias wp.customize.notifications
+ *
+ * @since 4.9.0
+ *
+ * @type {Function}
+ * @param {...string} codes - One or more codes for notifications to obtain.
+ * @param {deferredNotificationsCallback} [callback] - Function called when all supplied notifications exist.
+ * @returns {wp.customize.Notification|undefined|jQuery.promise} notification instance or undefined (if function called with one code param), or promise resolving to requested notifications.
+ *
+ * @example <caption>Check if existing notification</caption>
+ * exists = wp.customize.notifications.has( 'a_new_day_arrived' );
+ *
+ * @example <caption>Obtain existing notification</caption>
+ * notification = wp.customize.notifications( 'a_new_day_arrived' );
+ *
+ * @example <caption>Obtain notification that may not exist yet.</caption>
+ * wp.customize.notifications( 'a_new_day_arrived', function( notification ) { ... } );
+ *
+ * @example <caption>Add a warning notification.</caption>
+ * wp.customize.notifications.add( new wp.customize.Notification( 'midnight_almost_here', {
+ * type: 'warning',
+ * message: 'Midnight has almost arrived!',
+ * dismissible: true
+ * } ) );
+ *
+ * @example <caption>Remove a notification.</caption>
+ * wp.customize.notifications.remove( 'a_new_day_arrived' );
+ *
+ * @see {@link wp.customize.control} for further examples of how to interact with {@link wp.customize.Values} instances.
+ */
+ api.notifications = new api.Notifications();
+
+ api.PreviewFrame = api.Messenger.extend(/** @lends wp.customize.PreviewFrame.prototype */{
+ sensitivity: null, // Will get set to api.settings.timeouts.previewFrameSensitivity.
+
+ /**
+ * An object that fetches a preview in the background of the document, which
+ * allows for seamless replacement of an existing preview.
+ *
+ * @constructs wp.customize.PreviewFrame
+ * @augments wp.customize.Messenger
+ *
+ * @param {object} params.container
+ * @param {object} params.previewUrl
+ * @param {object} params.query
+ * @param {object} options
+ */
+ initialize: function( params, options ) {
+ var deferred = $.Deferred();
+
+ /*
+ * Make the instance of the PreviewFrame the promise object
+ * so other objects can easily interact with it.
+ */
+ deferred.promise( this );
+
+ this.container = params.container;
+
+ $.extend( params, { channel: api.PreviewFrame.uuid() });
+
+ api.Messenger.prototype.initialize.call( this, params, options );
+
+ this.add( 'previewUrl', params.previewUrl );
+
+ this.query = $.extend( params.query || {}, { customize_messenger_channel: this.channel() });
+
+ this.run( deferred );
+ },
+
+ /**
+ * Run the preview request.
+ *
+ * @param {object} deferred jQuery Deferred object to be resolved with
+ * the request.
+ */
+ run: function( deferred ) {
+ var previewFrame = this,
+ loaded = false,
+ ready = false,
+ readyData = null,
+ hasPendingChangesetUpdate = '{}' !== previewFrame.query.customized,
+ urlParser,
+ params,
+ form;
+
+ if ( previewFrame._ready ) {
+ previewFrame.unbind( 'ready', previewFrame._ready );
+ }
+
+ previewFrame._ready = function( data ) {
+ ready = true;
+ readyData = data;
+ previewFrame.container.addClass( 'iframe-ready' );
+ if ( ! data ) {
+ return;
+ }
+
+ if ( loaded ) {
+ deferred.resolveWith( previewFrame, [ data ] );
+ }
+ };
+
+ previewFrame.bind( 'ready', previewFrame._ready );
+
+ urlParser = document.createElement( 'a' );
+ urlParser.href = previewFrame.previewUrl();
+
+ params = _.extend(
+ api.utils.parseQueryString( urlParser.search.substr( 1 ) ),
+ {
+ customize_changeset_uuid: previewFrame.query.customize_changeset_uuid,
+ customize_theme: previewFrame.query.customize_theme,
+ customize_messenger_channel: previewFrame.query.customize_messenger_channel
+ }
+ );
+ if ( api.settings.changeset.autosaved || ! api.state( 'saved' ).get() ) {
+ params.customize_autosaved = 'on';
+ }
+
+ urlParser.search = $.param( params );
+ previewFrame.iframe = $( '<iframe />', {
+ title: api.l10n.previewIframeTitle,
+ name: 'customize-' + previewFrame.channel()
+ } );
+ previewFrame.iframe.attr( 'onmousewheel', '' ); // Workaround for Safari bug. See WP Trac #38149.
+ previewFrame.iframe.attr( 'sandbox', 'allow-forms allow-modals allow-orientation-lock allow-pointer-lock allow-popups allow-popups-to-escape-sandbox allow-presentation allow-same-origin allow-scripts' );
+
+ if ( ! hasPendingChangesetUpdate ) {
+ previewFrame.iframe.attr( 'src', urlParser.href );
+ } else {
+ previewFrame.iframe.attr( 'data-src', urlParser.href ); // For debugging purposes.
+ }
+
+ previewFrame.iframe.appendTo( previewFrame.container );
+ previewFrame.targetWindow( previewFrame.iframe[0].contentWindow );
+
+ /*
+ * Submit customized data in POST request to preview frame window since
+ * there are setting value changes not yet written to changeset.
+ */
+ if ( hasPendingChangesetUpdate ) {
+ form = $( '<form>', {
+ action: urlParser.href,
+ target: previewFrame.iframe.attr( 'name' ),
+ method: 'post',
+ hidden: 'hidden'
+ } );
+ form.append( $( '<input>', {
+ type: 'hidden',
+ name: '_method',
+ value: 'GET'
+ } ) );
+ _.each( previewFrame.query, function( value, key ) {
+ form.append( $( '<input>', {
+ type: 'hidden',
+ name: key,
+ value: value
+ } ) );
+ } );
+ previewFrame.container.append( form );
+ form.submit();
+ form.remove(); // No need to keep the form around after submitted.
+ }
+
+ previewFrame.bind( 'iframe-loading-error', function( error ) {
+ previewFrame.iframe.remove();
+
+ // Check if the user is not logged in.
+ if ( 0 === error ) {
+ previewFrame.login( deferred );
+ return;
+ }
+
+ // Check for cheaters.
+ if ( -1 === error ) {
+ deferred.rejectWith( previewFrame, [ 'cheatin' ] );
+ return;
+ }
+
+ deferred.rejectWith( previewFrame, [ 'request failure' ] );
+ } );
+
+ previewFrame.iframe.one( 'load', function() {
+ loaded = true;
+
+ if ( ready ) {
+ deferred.resolveWith( previewFrame, [ readyData ] );
+ } else {
+ setTimeout( function() {
+ deferred.rejectWith( previewFrame, [ 'ready timeout' ] );
+ }, previewFrame.sensitivity );
+ }
+ });
+ },
+
+ login: function( deferred ) {
+ var self = this,
+ reject;
+
+ reject = function() {
+ deferred.rejectWith( self, [ 'logged out' ] );
+ };
+
+ if ( this.triedLogin ) {
+ return reject();
+ }
+
+ // Check if we have an admin cookie.
+ $.get( api.settings.url.ajax, {
+ action: 'logged-in'
+ }).fail( reject ).done( function( response ) {
+ var iframe;
+
+ if ( '1' !== response ) {
+ reject();
+ }
+
+ iframe = $( '<iframe />', { 'src': self.previewUrl(), 'title': api.l10n.previewIframeTitle } ).hide();
+ iframe.appendTo( self.container );
+ iframe.on( 'load', function() {
+ self.triedLogin = true;
+
+ iframe.remove();
+ self.run( deferred );
+ });
+ });
+ },
+
+ destroy: function() {
+ api.Messenger.prototype.destroy.call( this );
+
+ if ( this.iframe ) {
+ this.iframe.remove();
+ }
+
+ delete this.iframe;
+ delete this.targetWindow;
+ }
+ });
+
+ (function(){
+ var id = 0;
+ /**
+ * Return an incremented ID for a preview messenger channel.
+ *
+ * This function is named "uuid" for historical reasons, but it is a
+ * misnomer as it is not an actual UUID, and it is not universally unique.
+ * This is not to be confused with `api.settings.changeset.uuid`.
+ *
+ * @return {string}
+ */
+ api.PreviewFrame.uuid = function() {
+ return 'preview-' + String( id++ );
+ };
+ }());
+
+ /**
+ * Set the document title of the customizer.
+ *
+ * @alias wp.customize.setDocumentTitle
+ *
+ * @since 4.1.0
+ *
+ * @param {string} documentTitle
+ */
+ api.setDocumentTitle = function ( documentTitle ) {
+ var tmpl, title;
+ tmpl = api.settings.documentTitleTmpl;
+ title = tmpl.replace( '%s', documentTitle );
+ document.title = title;
+ api.trigger( 'title', title );
+ };
+
+ api.Previewer = api.Messenger.extend(/** @lends wp.customize.Previewer.prototype */{
+ refreshBuffer: null, // Will get set to api.settings.timeouts.windowRefresh.
+
+ /**
+ * @constructs wp.customize.Previewer
+ * @augments wp.customize.Messenger
+ *
+ * @param {array} params.allowedUrls
+ * @param {string} params.container A selector or jQuery element for the preview
+ * frame to be placed.
+ * @param {string} params.form
+ * @param {string} params.previewUrl The URL to preview.
+ * @param {object} options
+ */
+ initialize: function( params, options ) {
+ var previewer = this,
+ urlParser = document.createElement( 'a' );
+
+ $.extend( previewer, options || {} );
+ previewer.deferred = {
+ active: $.Deferred()
+ };
+
+ // Debounce to prevent hammering server and then wait for any pending update requests.
+ previewer.refresh = _.debounce(
+ ( function( originalRefresh ) {
+ return function() {
+ var isProcessingComplete, refreshOnceProcessingComplete;
+ isProcessingComplete = function() {
+ return 0 === api.state( 'processing' ).get();
+ };
+ if ( isProcessingComplete() ) {
+ originalRefresh.call( previewer );
+ } else {
+ refreshOnceProcessingComplete = function() {
+ if ( isProcessingComplete() ) {
+ originalRefresh.call( previewer );
+ api.state( 'processing' ).unbind( refreshOnceProcessingComplete );
+ }
+ };
+ api.state( 'processing' ).bind( refreshOnceProcessingComplete );
+ }
+ };
+ }( previewer.refresh ) ),
+ previewer.refreshBuffer
+ );
+
+ previewer.container = api.ensure( params.container );
+ previewer.allowedUrls = params.allowedUrls;
+
+ params.url = window.location.href;
+
+ api.Messenger.prototype.initialize.call( previewer, params );
+
+ urlParser.href = previewer.origin();
+ previewer.add( 'scheme', urlParser.protocol.replace( /:$/, '' ) );
+
+ // Limit the URL to internal, front-end links.
+ //
+ // If the front end and the admin are served from the same domain, load the
+ // preview over ssl if the Customizer is being loaded over ssl. This avoids
+ // insecure content warnings. This is not attempted if the admin and front end
+ // are on different domains to avoid the case where the front end doesn't have
+ // ssl certs.
+
+ previewer.add( 'previewUrl', params.previewUrl ).setter( function( to ) {
+ var result = null, urlParser, queryParams, parsedAllowedUrl, parsedCandidateUrls = [];
+ urlParser = document.createElement( 'a' );
+ urlParser.href = to;
+
+ // Abort if URL is for admin or (static) files in wp-includes or wp-content.
+ if ( /\/wp-(admin|includes|content)(\/|$)/.test( urlParser.pathname ) ) {
+ return null;
+ }
+
+ // Remove state query params.
+ if ( urlParser.search.length > 1 ) {
+ queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+ delete queryParams.customize_changeset_uuid;
+ delete queryParams.customize_theme;
+ delete queryParams.customize_messenger_channel;
+ delete queryParams.customize_autosaved;
+ if ( _.isEmpty( queryParams ) ) {
+ urlParser.search = '';
+ } else {
+ urlParser.search = $.param( queryParams );
+ }
+ }
+
+ parsedCandidateUrls.push( urlParser );
+
+ // Prepend list with URL that matches the scheme/protocol of the iframe.
+ if ( previewer.scheme.get() + ':' !== urlParser.protocol ) {
+ urlParser = document.createElement( 'a' );
+ urlParser.href = parsedCandidateUrls[0].href;
+ urlParser.protocol = previewer.scheme.get() + ':';
+ parsedCandidateUrls.unshift( urlParser );
+ }
+
+ // Attempt to match the URL to the control frame's scheme and check if it's allowed. If not, try the original URL.
+ parsedAllowedUrl = document.createElement( 'a' );
+ _.find( parsedCandidateUrls, function( parsedCandidateUrl ) {
+ return ! _.isUndefined( _.find( previewer.allowedUrls, function( allowedUrl ) {
+ parsedAllowedUrl.href = allowedUrl;
+ if ( urlParser.protocol === parsedAllowedUrl.protocol && urlParser.host === parsedAllowedUrl.host && 0 === urlParser.pathname.indexOf( parsedAllowedUrl.pathname.replace( /\/$/, '' ) ) ) {
+ result = parsedCandidateUrl.href;
+ return true;
+ }
+ } ) );
+ } );
+
+ return result;
+ });
+
+ previewer.bind( 'ready', previewer.ready );
+
+ // Start listening for keep-alive messages when iframe first loads.
+ previewer.deferred.active.done( _.bind( previewer.keepPreviewAlive, previewer ) );
+
+ previewer.bind( 'synced', function() {
+ previewer.send( 'active' );
+ } );
+
+ // Refresh the preview when the URL is changed (but not yet).
+ previewer.previewUrl.bind( previewer.refresh );
+
+ previewer.scroll = 0;
+ previewer.bind( 'scroll', function( distance ) {
+ previewer.scroll = distance;
+ });
+
+ // Update the URL when the iframe sends a URL message, resetting scroll position. If URL is unchanged, then refresh.
+ previewer.bind( 'url', function( url ) {
+ var onUrlChange, urlChanged = false;
+ previewer.scroll = 0;
+ onUrlChange = function() {
+ urlChanged = true;
+ };
+ previewer.previewUrl.bind( onUrlChange );
+ previewer.previewUrl.set( url );
+ previewer.previewUrl.unbind( onUrlChange );
+ if ( ! urlChanged ) {
+ previewer.refresh();
+ }
+ } );
+
+ // Update the document title when the preview changes.
+ previewer.bind( 'documentTitle', function ( title ) {
+ api.setDocumentTitle( title );
+ } );
+ },
+
+ /**
+ * Handle the preview receiving the ready message.
+ *
+ * @since 4.7.0
+ * @access public
+ *
+ * @param {object} data - Data from preview.
+ * @param {string} data.currentUrl - Current URL.
+ * @param {object} data.activePanels - Active panels.
+ * @param {object} data.activeSections Active sections.
+ * @param {object} data.activeControls Active controls.
+ * @returns {void}
+ */
+ ready: function( data ) {
+ var previewer = this, synced = {}, constructs;
+
+ synced.settings = api.get();
+ synced['settings-modified-while-loading'] = previewer.settingsModifiedWhileLoading;
+ if ( 'resolved' !== previewer.deferred.active.state() || previewer.loading ) {
+ synced.scroll = previewer.scroll;
+ }
+ synced['edit-shortcut-visibility'] = api.state( 'editShortcutVisibility' ).get();
+ previewer.send( 'sync', synced );
+
+ // Set the previewUrl without causing the url to set the iframe.
+ if ( data.currentUrl ) {
+ previewer.previewUrl.unbind( previewer.refresh );
+ previewer.previewUrl.set( data.currentUrl );
+ previewer.previewUrl.bind( previewer.refresh );
+ }
+
+ /*
+ * Walk over all panels, sections, and controls and set their
+ * respective active states to true if the preview explicitly
+ * indicates as such.
+ */
+ constructs = {
+ panel: data.activePanels,
+ section: data.activeSections,
+ control: data.activeControls
+ };
+ _( constructs ).each( function ( activeConstructs, type ) {
+ api[ type ].each( function ( construct, id ) {
+ var isDynamicallyCreated = _.isUndefined( api.settings[ type + 's' ][ id ] );
+
+ /*
+ * If the construct was created statically in PHP (not dynamically in JS)
+ * then consider a missing (undefined) value in the activeConstructs to
+ * mean it should be deactivated (since it is gone). But if it is
+ * dynamically created then only toggle activation if the value is defined,
+ * as this means that the construct was also then correspondingly
+ * created statically in PHP and the active callback is available.
+ * Otherwise, dynamically-created constructs should normally have
+ * their active states toggled in JS rather than from PHP.
+ */
+ if ( ! isDynamicallyCreated || ! _.isUndefined( activeConstructs[ id ] ) ) {
+ if ( activeConstructs[ id ] ) {
+ construct.activate();
+ } else {
+ construct.deactivate();
+ }
+ }
+ } );
+ } );
+
+ if ( data.settingValidities ) {
+ api._handleSettingValidities( {
+ settingValidities: data.settingValidities,
+ focusInvalidControl: false
+ } );
+ }
+ },
+
+ /**
+ * Keep the preview alive by listening for ready and keep-alive messages.
+ *
+ * If a message is not received in the allotted time then the iframe will be set back to the last known valid URL.
+ *
+ * @since 4.7.0
+ * @access public
+ *
+ * @returns {void}
+ */
+ keepPreviewAlive: function keepPreviewAlive() {
+ var previewer = this, keepAliveTick, timeoutId, handleMissingKeepAlive, scheduleKeepAliveCheck;
+
+ /**
+ * Schedule a preview keep-alive check.
+ *
+ * Note that if a page load takes longer than keepAliveCheck milliseconds,
+ * the keep-alive messages will still be getting sent from the previous
+ * URL.
+ */
+ scheduleKeepAliveCheck = function() {
+ timeoutId = setTimeout( handleMissingKeepAlive, api.settings.timeouts.keepAliveCheck );
+ };
+
+ /**
+ * Set the previewerAlive state to true when receiving a message from the preview.
+ */
+ keepAliveTick = function() {
+ api.state( 'previewerAlive' ).set( true );
+ clearTimeout( timeoutId );
+ scheduleKeepAliveCheck();
+ };
+
+ /**
+ * Set the previewerAlive state to false if keepAliveCheck milliseconds have transpired without a message.
+ *
+ * This is most likely to happen in the case of a connectivity error, or if the theme causes the browser
+ * to navigate to a non-allowed URL. Setting this state to false will force settings with a postMessage
+ * transport to use refresh instead, causing the preview frame also to be replaced with the current
+ * allowed preview URL.
+ */
+ handleMissingKeepAlive = function() {
+ api.state( 'previewerAlive' ).set( false );
+ };
+ scheduleKeepAliveCheck();
+
+ previewer.bind( 'ready', keepAliveTick );
+ previewer.bind( 'keep-alive', keepAliveTick );
+ },
+
+ /**
+ * Query string data sent with each preview request.
+ *
+ * @abstract
+ */
+ query: function() {},
+
+ abort: function() {
+ if ( this.loading ) {
+ this.loading.destroy();
+ delete this.loading;
+ }
+ },
+
+ /**
+ * Refresh the preview seamlessly.
+ *
+ * @since 3.4.0
+ * @access public
+ * @returns {void}
+ */
+ refresh: function() {
+ var previewer = this, onSettingChange;
+
+ // Display loading indicator
+ previewer.send( 'loading-initiated' );
+
+ previewer.abort();
+
+ previewer.loading = new api.PreviewFrame({
+ url: previewer.url(),
+ previewUrl: previewer.previewUrl(),
+ query: previewer.query( { excludeCustomizedSaved: true } ) || {},
+ container: previewer.container
+ });
+
+ previewer.settingsModifiedWhileLoading = {};
+ onSettingChange = function( setting ) {
+ previewer.settingsModifiedWhileLoading[ setting.id ] = true;
+ };
+ api.bind( 'change', onSettingChange );
+ previewer.loading.always( function() {
+ api.unbind( 'change', onSettingChange );
+ } );
+
+ previewer.loading.done( function( readyData ) {
+ var loadingFrame = this, onceSynced;
+
+ previewer.preview = loadingFrame;
+ previewer.targetWindow( loadingFrame.targetWindow() );
+ previewer.channel( loadingFrame.channel() );
+
+ onceSynced = function() {
+ loadingFrame.unbind( 'synced', onceSynced );
+ if ( previewer._previousPreview ) {
+ previewer._previousPreview.destroy();
+ }
+ previewer._previousPreview = previewer.preview;
+ previewer.deferred.active.resolve();
+ delete previewer.loading;
+ };
+ loadingFrame.bind( 'synced', onceSynced );
+
+ // This event will be received directly by the previewer in normal navigation; this is only needed for seamless refresh.
+ previewer.trigger( 'ready', readyData );
+ });
+
+ previewer.loading.fail( function( reason ) {
+ previewer.send( 'loading-failed' );
+
+ if ( 'logged out' === reason ) {
+ if ( previewer.preview ) {
+ previewer.preview.destroy();
+ delete previewer.preview;
+ }
+
+ previewer.login().done( previewer.refresh );
+ }
+
+ if ( 'cheatin' === reason ) {
+ previewer.cheatin();
+ }
+ });
+ },
+
+ login: function() {
+ var previewer = this,
+ deferred, messenger, iframe;
+
+ if ( this._login ) {
+ return this._login;
+ }
+
+ deferred = $.Deferred();
+ this._login = deferred.promise();
+
+ messenger = new api.Messenger({
+ channel: 'login',
+ url: api.settings.url.login
+ });
+
+ iframe = $( '<iframe />', { 'src': api.settings.url.login, 'title': api.l10n.loginIframeTitle } ).appendTo( this.container );
+
+ messenger.targetWindow( iframe[0].contentWindow );
+
+ messenger.bind( 'login', function () {
+ var refreshNonces = previewer.refreshNonces();
+
+ refreshNonces.always( function() {
+ iframe.remove();
+ messenger.destroy();
+ delete previewer._login;
+ });
+
+ refreshNonces.done( function() {
+ deferred.resolve();
+ });
+
+ refreshNonces.fail( function() {
+ previewer.cheatin();
+ deferred.reject();
+ });
+ });
+
+ return this._login;
+ },
+
+ cheatin: function() {
+ $( document.body ).empty().addClass( 'cheatin' ).append(
+ '<h1>' + api.l10n.notAllowedHeading + '</h1>' +
+ '<p>' + api.l10n.notAllowed + '</p>'
+ );
+ },
+
+ refreshNonces: function() {
+ var request, deferred = $.Deferred();
+
+ deferred.promise();
+
+ request = wp.ajax.post( 'customize_refresh_nonces', {
+ wp_customize: 'on',
+ customize_theme: api.settings.theme.stylesheet
+ });
+
+ request.done( function( response ) {
+ api.trigger( 'nonce-refresh', response );
+ deferred.resolve();
+ });
+
+ request.fail( function() {
+ deferred.reject();
+ });
+
+ return deferred;
+ }
+ });
+
+ api.settingConstructor = {};
+ api.controlConstructor = {
+ color: api.ColorControl,
+ media: api.MediaControl,
+ upload: api.UploadControl,
+ image: api.ImageControl,
+ cropped_image: api.CroppedImageControl,
+ site_icon: api.SiteIconControl,
+ header: api.HeaderControl,
+ background: api.BackgroundControl,
+ background_position: api.BackgroundPositionControl,
+ theme: api.ThemeControl,
+ date_time: api.DateTimeControl,
+ code_editor: api.CodeEditorControl
+ };
+ api.panelConstructor = {
+ themes: api.ThemesPanel
+ };
+ api.sectionConstructor = {
+ themes: api.ThemesSection,
+ outer: api.OuterSection
+ };
+
+ /**
+ * Handle setting_validities in an error response for the customize-save request.
+ *
+ * Add notifications to the settings and focus on the first control that has an invalid setting.
+ *
+ * @alias wp.customize._handleSettingValidities
+ *
+ * @since 4.6.0
+ * @private
+ *
+ * @param {object} args
+ * @param {object} args.settingValidities
+ * @param {boolean} [args.focusInvalidControl=false]
+ * @returns {void}
+ */
+ api._handleSettingValidities = function handleSettingValidities( args ) {
+ var invalidSettingControls, invalidSettings = [], wasFocused = false;
+
+ // Find the controls that correspond to each invalid setting.
+ _.each( args.settingValidities, function( validity, settingId ) {
+ var setting = api( settingId );
+ if ( setting ) {
+
+ // Add notifications for invalidities.
+ if ( _.isObject( validity ) ) {
+ _.each( validity, function( params, code ) {
+ var notification, existingNotification, needsReplacement = false;
+ notification = new api.Notification( code, _.extend( { fromServer: true }, params ) );
+
+ // Remove existing notification if already exists for code but differs in parameters.
+ existingNotification = setting.notifications( notification.code );
+ if ( existingNotification ) {
+ needsReplacement = notification.type !== existingNotification.type || notification.message !== existingNotification.message || ! _.isEqual( notification.data, existingNotification.data );
+ }
+ if ( needsReplacement ) {
+ setting.notifications.remove( code );
+ }
+
+ if ( ! setting.notifications.has( notification.code ) ) {
+ setting.notifications.add( notification );
+ }
+ invalidSettings.push( setting.id );
+ } );
+ }
+
+ // Remove notification errors that are no longer valid.
+ setting.notifications.each( function( notification ) {
+ if ( notification.fromServer && 'error' === notification.type && ( true === validity || ! validity[ notification.code ] ) ) {
+ setting.notifications.remove( notification.code );
+ }
+ } );
+ }
+ } );
+
+ if ( args.focusInvalidControl ) {
+ invalidSettingControls = api.findControlsForSettings( invalidSettings );
+
+ // Focus on the first control that is inside of an expanded section (one that is visible).
+ _( _.values( invalidSettingControls ) ).find( function( controls ) {
+ return _( controls ).find( function( control ) {
+ var isExpanded = control.section() && api.section.has( control.section() ) && api.section( control.section() ).expanded();
+ if ( isExpanded && control.expanded ) {
+ isExpanded = control.expanded();
+ }
+ if ( isExpanded ) {
+ control.focus();
+ wasFocused = true;
+ }
+ return wasFocused;
+ } );
+ } );
+
+ // Focus on the first invalid control.
+ if ( ! wasFocused && ! _.isEmpty( invalidSettingControls ) ) {
+ _.values( invalidSettingControls )[0][0].focus();
+ }
+ }
+ };
+
+ /**
+ * Find all controls associated with the given settings.
+ *
+ * @alias wp.customize.findControlsForSettings
+ *
+ * @since 4.6.0
+ * @param {string[]} settingIds Setting IDs.
+ * @returns {object<string, wp.customize.Control>} Mapping setting ids to arrays of controls.
+ */
+ api.findControlsForSettings = function findControlsForSettings( settingIds ) {
+ var controls = {}, settingControls;
+ _.each( _.unique( settingIds ), function( settingId ) {
+ var setting = api( settingId );
+ if ( setting ) {
+ settingControls = setting.findControls();
+ if ( settingControls && settingControls.length > 0 ) {
+ controls[ settingId ] = settingControls;
+ }
+ }
+ } );
+ return controls;
+ };
+
+ /**
+ * Sort panels, sections, controls by priorities. Hide empty sections and panels.
+ *
+ * @alias wp.customize.reflowPaneContents
+ *
+ * @since 4.1.0
+ */
+ api.reflowPaneContents = _.bind( function () {
+
+ var appendContainer, activeElement, rootHeadContainers, rootNodes = [], wasReflowed = false;
+
+ if ( document.activeElement ) {
+ activeElement = $( document.activeElement );
+ }
+
+ // Sort the sections within each panel
+ api.panel.each( function ( panel ) {
+ if ( 'themes' === panel.id ) {
+ return; // Don't reflow theme sections, as doing so moves them after the themes container.
+ }
+
+ var sections = panel.sections(),
+ sectionHeadContainers = _.pluck( sections, 'headContainer' );
+ rootNodes.push( panel );
+ appendContainer = ( panel.contentContainer.is( 'ul' ) ) ? panel.contentContainer : panel.contentContainer.find( 'ul:first' );
+ if ( ! api.utils.areElementListsEqual( sectionHeadContainers, appendContainer.children( '[id]' ) ) ) {
+ _( sections ).each( function ( section ) {
+ appendContainer.append( section.headContainer );
+ } );
+ wasReflowed = true;
+ }
+ } );
+
+ // Sort the controls within each section
+ api.section.each( function ( section ) {
+ var controls = section.controls(),
+ controlContainers = _.pluck( controls, 'container' );
+ if ( ! section.panel() ) {
+ rootNodes.push( section );
+ }
+ appendContainer = ( section.contentContainer.is( 'ul' ) ) ? section.contentContainer : section.contentContainer.find( 'ul:first' );
+ if ( ! api.utils.areElementListsEqual( controlContainers, appendContainer.children( '[id]' ) ) ) {
+ _( controls ).each( function ( control ) {
+ appendContainer.append( control.container );
+ } );
+ wasReflowed = true;
+ }
+ } );
+
+ // Sort the root panels and sections
+ rootNodes.sort( api.utils.prioritySort );
+ rootHeadContainers = _.pluck( rootNodes, 'headContainer' );
+ appendContainer = $( '#customize-theme-controls .customize-pane-parent' ); // @todo This should be defined elsewhere, and to be configurable
+ if ( ! api.utils.areElementListsEqual( rootHeadContainers, appendContainer.children() ) ) {
+ _( rootNodes ).each( function ( rootNode ) {
+ appendContainer.append( rootNode.headContainer );
+ } );
+ wasReflowed = true;
+ }
+
+ // Now re-trigger the active Value callbacks to that the panels and sections can decide whether they can be rendered
+ api.panel.each( function ( panel ) {
+ var value = panel.active();
+ panel.active.callbacks.fireWith( panel.active, [ value, value ] );
+ } );
+ api.section.each( function ( section ) {
+ var value = section.active();
+ section.active.callbacks.fireWith( section.active, [ value, value ] );
+ } );
+
+ // Restore focus if there was a reflow and there was an active (focused) element
+ if ( wasReflowed && activeElement ) {
+ activeElement.focus();
+ }
+ api.trigger( 'pane-contents-reflowed' );
+ }, api );
+
+ // Define state values.
+ api.state = new api.Values();
+ _.each( [
+ 'saved',
+ 'saving',
+ 'trashing',
+ 'activated',
+ 'processing',
+ 'paneVisible',
+ 'expandedPanel',
+ 'expandedSection',
+ 'changesetDate',
+ 'selectedChangesetDate',
+ 'changesetStatus',
+ 'selectedChangesetStatus',
+ 'remainingTimeToPublish',
+ 'previewerAlive',
+ 'editShortcutVisibility',
+ 'changesetLocked',
+ 'previewedDevice'
+ ], function( name ) {
+ api.state.create( name );
+ });
+
+ $( function() {
+ api.settings = window._wpCustomizeSettings;
+ api.l10n = window._wpCustomizeControlsL10n;
+
+ // Check if we can run the Customizer.
+ if ( ! api.settings ) {
+ return;
+ }
+
+ // Bail if any incompatibilities are found.
+ if ( ! $.support.postMessage || ( ! $.support.cors && api.settings.isCrossDomain ) ) {
+ return;
+ }
+
+ if ( null === api.PreviewFrame.prototype.sensitivity ) {
+ api.PreviewFrame.prototype.sensitivity = api.settings.timeouts.previewFrameSensitivity;
+ }
+ if ( null === api.Previewer.prototype.refreshBuffer ) {
+ api.Previewer.prototype.refreshBuffer = api.settings.timeouts.windowRefresh;
+ }
+
+ var parent,
+ body = $( document.body ),
+ overlay = body.children( '.wp-full-overlay' ),
+ title = $( '#customize-info .panel-title.site-title' ),
+ closeBtn = $( '.customize-controls-close' ),
+ saveBtn = $( '#save' ),
+ btnWrapper = $( '#customize-save-button-wrapper' ),
+ publishSettingsBtn = $( '#publish-settings' ),
+ footerActions = $( '#customize-footer-actions' );
+
+ // Add publish settings section in JS instead of PHP since the Customizer depends on it to function.
+ api.bind( 'ready', function() {
+ api.section.add( new api.OuterSection( 'publish_settings', {
+ title: api.l10n.publishSettings,
+ priority: 0,
+ active: api.settings.theme.active
+ } ) );
+ } );
+
+ // Set up publish settings section and its controls.
+ api.section( 'publish_settings', function( section ) {
+ var updateButtonsState, trashControl, updateSectionActive, isSectionActive, statusControl, dateControl, toggleDateControl, publishWhenTime, pollInterval, updateTimeArrivedPoller, cancelScheduleButtonReminder, timeArrivedPollingInterval = 1000;
+
+ trashControl = new api.Control( 'trash_changeset', {
+ type: 'button',
+ section: section.id,
+ priority: 30,
+ input_attrs: {
+ 'class': 'button-link button-link-delete',
+ value: api.l10n.discardChanges
+ }
+ } );
+ api.control.add( trashControl );
+ trashControl.deferred.embedded.done( function() {
+ trashControl.container.find( '.button-link' ).on( 'click', function() {
+ if ( confirm( api.l10n.trashConfirm ) ) {
+ wp.customize.previewer.trash();
+ }
+ } );
+ } );
+
+ api.control.add( new api.PreviewLinkControl( 'changeset_preview_link', {
+ section: section.id,
+ priority: 100
+ } ) );
+
+ /**
+ * Return whether the pubish settings section should be active.
+ *
+ * @return {boolean} Is section active.
+ */
+ isSectionActive = function() {
+ if ( ! api.state( 'activated' ).get() ) {
+ return false;
+ }
+ if ( api.state( 'trashing' ).get() || 'trash' === api.state( 'changesetStatus' ).get() ) {
+ return false;
+ }
+ if ( '' === api.state( 'changesetStatus' ).get() && api.state( 'saved' ).get() ) {
+ return false;
+ }
+ return true;
+ };
+
+ // Make sure publish settings are not available while the theme is not active and the customizer is in a published state.
+ section.active.validate = isSectionActive;
+ updateSectionActive = function() {
+ section.active.set( isSectionActive() );
+ };
+ api.state( 'activated' ).bind( updateSectionActive );
+ api.state( 'trashing' ).bind( updateSectionActive );
+ api.state( 'saved' ).bind( updateSectionActive );
+ api.state( 'changesetStatus' ).bind( updateSectionActive );
+ updateSectionActive();
+
+ // Bind visibility of the publish settings button to whether the section is active.
+ updateButtonsState = function() {
+ publishSettingsBtn.toggle( section.active.get() );
+ saveBtn.toggleClass( 'has-next-sibling', section.active.get() );
+ };
+ updateButtonsState();
+ section.active.bind( updateButtonsState );
+
+ function highlightScheduleButton() {
+ if ( ! cancelScheduleButtonReminder ) {
+ cancelScheduleButtonReminder = api.utils.highlightButton( btnWrapper, {
+ delay: 1000,
+
+ // Only abort the reminder when the save button is focused.
+ // If the user clicks the settings button to toggle the
+ // settings closed, we'll still remind them.
+ focusTarget: saveBtn
+ } );
+ }
+ }
+ function cancelHighlightScheduleButton() {
+ if ( cancelScheduleButtonReminder ) {
+ cancelScheduleButtonReminder();
+ cancelScheduleButtonReminder = null;
+ }
+ }
+ api.state( 'selectedChangesetStatus' ).bind( cancelHighlightScheduleButton );
+
+ section.contentContainer.find( '.customize-action' ).text( api.l10n.updating );
+ section.contentContainer.find( '.customize-section-back' ).removeAttr( 'tabindex' );
+ publishSettingsBtn.prop( 'disabled', false );
+
+ publishSettingsBtn.on( 'click', function( event ) {
+ event.preventDefault();
+ section.expanded.set( ! section.expanded.get() );
+ } );
+
+ section.expanded.bind( function( isExpanded ) {
+ var defaultChangesetStatus;
+ publishSettingsBtn.attr( 'aria-expanded', String( isExpanded ) );
+ publishSettingsBtn.toggleClass( 'active', isExpanded );
+
+ if ( isExpanded ) {
+ cancelHighlightScheduleButton();
+ return;
+ }
+
+ defaultChangesetStatus = api.state( 'changesetStatus' ).get();
+ if ( '' === defaultChangesetStatus || 'auto-draft' === defaultChangesetStatus ) {
+ defaultChangesetStatus = 'publish';
+ }
+
+ if ( api.state( 'selectedChangesetStatus' ).get() !== defaultChangesetStatus ) {
+ highlightScheduleButton();
+ } else if ( 'future' === api.state( 'selectedChangesetStatus' ).get() && api.state( 'selectedChangesetDate' ).get() !== api.state( 'changesetDate' ).get() ) {
+ highlightScheduleButton();
+ }
+ } );
+
+ statusControl = new api.Control( 'changeset_status', {
+ priority: 10,
+ type: 'radio',
+ section: 'publish_settings',
+ setting: api.state( 'selectedChangesetStatus' ),
+ templateId: 'customize-selected-changeset-status-control',
+ label: api.l10n.action,
+ choices: api.settings.changeset.statusChoices
+ } );
+ api.control.add( statusControl );
+
+ dateControl = new api.DateTimeControl( 'changeset_scheduled_date', {
+ priority: 20,
+ section: 'publish_settings',
+ setting: api.state( 'selectedChangesetDate' ),
+ minYear: ( new Date() ).getFullYear(),
+ allowPastDate: false,
+ includeTime: true,
+ twelveHourFormat: /a/i.test( api.settings.timeFormat ),
+ description: api.l10n.scheduleDescription
+ } );
+ dateControl.notifications.alt = true;
+ api.control.add( dateControl );
+
+ publishWhenTime = function() {
+ api.state( 'selectedChangesetStatus' ).set( 'publish' );
+ api.previewer.save();
+ };
+
+ // Start countdown for when the dateTime arrives, or clear interval when it is .
+ updateTimeArrivedPoller = function() {
+ var shouldPoll = (
+ 'future' === api.state( 'changesetStatus' ).get() &&
+ 'future' === api.state( 'selectedChangesetStatus' ).get() &&
+ api.state( 'changesetDate' ).get() &&
+ api.state( 'selectedChangesetDate' ).get() === api.state( 'changesetDate' ).get() &&
+ api.utils.getRemainingTime( api.state( 'changesetDate' ).get() ) >= 0
+ );
+
+ if ( shouldPoll && ! pollInterval ) {
+ pollInterval = setInterval( function() {
+ var remainingTime = api.utils.getRemainingTime( api.state( 'changesetDate' ).get() );
+ api.state( 'remainingTimeToPublish' ).set( remainingTime );
+ if ( remainingTime <= 0 ) {
+ clearInterval( pollInterval );
+ pollInterval = 0;
+ publishWhenTime();
+ }
+ }, timeArrivedPollingInterval );
+ } else if ( ! shouldPoll && pollInterval ) {
+ clearInterval( pollInterval );
+ pollInterval = 0;
+ }
+ };
+
+ api.state( 'changesetDate' ).bind( updateTimeArrivedPoller );
+ api.state( 'selectedChangesetDate' ).bind( updateTimeArrivedPoller );
+ api.state( 'changesetStatus' ).bind( updateTimeArrivedPoller );
+ api.state( 'selectedChangesetStatus' ).bind( updateTimeArrivedPoller );
+ updateTimeArrivedPoller();
+
+ // Ensure dateControl only appears when selected status is future.
+ dateControl.active.validate = function() {
+ return 'future' === api.state( 'selectedChangesetStatus' ).get();
+ };
+ toggleDateControl = function( value ) {
+ dateControl.active.set( 'future' === value );
+ };
+ toggleDateControl( api.state( 'selectedChangesetStatus' ).get() );
+ api.state( 'selectedChangesetStatus' ).bind( toggleDateControl );
+
+ // Show notification on date control when status is future but it isn't a future date.
+ api.state( 'saving' ).bind( function( isSaving ) {
+ if ( isSaving && 'future' === api.state( 'selectedChangesetStatus' ).get() ) {
+ dateControl.toggleFutureDateNotification( ! dateControl.isFutureDate() );
+ }
+ } );
+ } );
+
+ // Prevent the form from saving when enter is pressed on an input or select element.
+ $('#customize-controls').on( 'keydown', function( e ) {
+ var isEnter = ( 13 === e.which ),
+ $el = $( e.target );
+
+ if ( isEnter && ( $el.is( 'input:not([type=button])' ) || $el.is( 'select' ) ) ) {
+ e.preventDefault();
+ }
+ });
+
+ // Expand/Collapse the main customizer customize info.
+ $( '.customize-info' ).find( '> .accordion-section-title .customize-help-toggle' ).on( 'click', function() {
+ var section = $( this ).closest( '.accordion-section' ),
+ content = section.find( '.customize-panel-description:first' );
+
+ if ( section.hasClass( 'cannot-expand' ) ) {
+ return;
+ }
+
+ if ( section.hasClass( 'open' ) ) {
+ section.toggleClass( 'open' );
+ content.slideUp( api.Panel.prototype.defaultExpandedArguments.duration, function() {
+ content.trigger( 'toggled' );
+ } );
+ $( this ).attr( 'aria-expanded', false );
+ } else {
+ content.slideDown( api.Panel.prototype.defaultExpandedArguments.duration, function() {
+ content.trigger( 'toggled' );
+ } );
+ section.toggleClass( 'open' );
+ $( this ).attr( 'aria-expanded', true );
+ }
+ });
+
+ /**
+ * Initialize Previewer
+ *
+ * @alias wp.customize.previewer
+ */
+ api.previewer = new api.Previewer({
+ container: '#customize-preview',
+ form: '#customize-controls',
+ previewUrl: api.settings.url.preview,
+ allowedUrls: api.settings.url.allowed
+ },/** @lends wp.customize.previewer */{
+
+ nonce: api.settings.nonce,
+
+ /**
+ * Build the query to send along with the Preview request.
+ *
+ * @since 3.4.0
+ * @since 4.7.0 Added options param.
+ * @access public
+ *
+ * @param {object} [options] Options.
+ * @param {boolean} [options.excludeCustomizedSaved=false] Exclude saved settings in customized response (values pending writing to changeset).
+ * @return {object} Query vars.
+ */
+ query: function( options ) {
+ var queryVars = {
+ wp_customize: 'on',
+ customize_theme: api.settings.theme.stylesheet,
+ nonce: this.nonce.preview,
+ customize_changeset_uuid: api.settings.changeset.uuid
+ };
+ if ( api.settings.changeset.autosaved || ! api.state( 'saved' ).get() ) {
+ queryVars.customize_autosaved = 'on';
+ }
+
+ /*
+ * Exclude customized data if requested especially for calls to requestChangesetUpdate.
+ * Changeset updates are differential and so it is a performance waste to send all of
+ * the dirty settings with each update.
+ */
+ queryVars.customized = JSON.stringify( api.dirtyValues( {
+ unsaved: options && options.excludeCustomizedSaved
+ } ) );
+
+ return queryVars;
+ },
+
+ /**
+ * Save (and publish) the customizer changeset.
+ *
+ * Updates to the changeset are transactional. If any of the settings
+ * are invalid then none of them will be written into the changeset.
+ * A revision will be made for the changeset post if revisions support
+ * has been added to the post type.
+ *
+ * @since 3.4.0
+ * @since 4.7.0 Added args param and return value.
+ *
+ * @param {object} [args] Args.
+ * @param {string} [args.status=publish] Status.
+ * @param {string} [args.date] Date, in local time in MySQL format.
+ * @param {string} [args.title] Title
+ * @returns {jQuery.promise} Promise.
+ */
+ save: function( args ) {
+ var previewer = this,
+ deferred = $.Deferred(),
+ changesetStatus = api.state( 'selectedChangesetStatus' ).get(),
+ selectedChangesetDate = api.state( 'selectedChangesetDate' ).get(),
+ processing = api.state( 'processing' ),
+ submitWhenDoneProcessing,
+ submit,
+ modifiedWhileSaving = {},
+ invalidSettings = [],
+ invalidControls = [],
+ invalidSettingLessControls = [];
+
+ if ( args && args.status ) {
+ changesetStatus = args.status;
+ }
+
+ if ( api.state( 'saving' ).get() ) {
+ deferred.reject( 'already_saving' );
+ deferred.promise();
+ }
+
+ api.state( 'saving' ).set( true );
+
+ function captureSettingModifiedDuringSave( setting ) {
+ modifiedWhileSaving[ setting.id ] = true;
+ }
+
+ submit = function () {
+ var request, query, settingInvalidities = {}, latestRevision = api._latestRevision, errorCode = 'client_side_error';
+
+ api.bind( 'change', captureSettingModifiedDuringSave );
+ api.notifications.remove( errorCode );
+
+ /*
+ * Block saving if there are any settings that are marked as
+ * invalid from the client (not from the server). Focus on
+ * the control.
+ */
+ api.each( function( setting ) {
+ setting.notifications.each( function( notification ) {
+ if ( 'error' === notification.type && ! notification.fromServer ) {
+ invalidSettings.push( setting.id );
+ if ( ! settingInvalidities[ setting.id ] ) {
+ settingInvalidities[ setting.id ] = {};
+ }
+ settingInvalidities[ setting.id ][ notification.code ] = notification;
+ }
+ } );
+ } );
+
+ // Find all invalid setting less controls with notification type error.
+ api.control.each( function( control ) {
+ if ( ! control.setting || ! control.setting.id && control.active.get() ) {
+ control.notifications.each( function( notification ) {
+ if ( 'error' === notification.type ) {
+ invalidSettingLessControls.push( [ control ] );
+ }
+ } );
+ }
+ } );
+
+ invalidControls = _.union( invalidSettingLessControls, _.values( api.findControlsForSettings( invalidSettings ) ) );
+ if ( ! _.isEmpty( invalidControls ) ) {
+
+ invalidControls[0][0].focus();
+ api.unbind( 'change', captureSettingModifiedDuringSave );
+
+ if ( invalidSettings.length ) {
+ api.notifications.add( new api.Notification( errorCode, {
+ message: ( 1 === invalidSettings.length ? api.l10n.saveBlockedError.singular : api.l10n.saveBlockedError.plural ).replace( /%s/g, String( invalidSettings.length ) ),
+ type: 'error',
+ dismissible: true,
+ saveFailure: true
+ } ) );
+ }
+
+ deferred.rejectWith( previewer, [
+ { setting_invalidities: settingInvalidities }
+ ] );
+ api.state( 'saving' ).set( false );
+ return deferred.promise();
+ }
+
+ /*
+ * Note that excludeCustomizedSaved is intentionally false so that the entire
+ * set of customized data will be included if bypassed changeset update.
+ */
+ query = $.extend( previewer.query( { excludeCustomizedSaved: false } ), {
+ nonce: previewer.nonce.save,
+ customize_changeset_status: changesetStatus
+ } );
+
+ if ( args && args.date ) {
+ query.customize_changeset_date = args.date;
+ } else if ( 'future' === changesetStatus && selectedChangesetDate ) {
+ query.customize_changeset_date = selectedChangesetDate;
+ }
+
+ if ( args && args.title ) {
+ query.customize_changeset_title = args.title;
+ }
+
+ // Allow plugins to modify the params included with the save request.
+ api.trigger( 'save-request-params', query );
+
+ /*
+ * Note that the dirty customized values will have already been set in the
+ * changeset and so technically query.customized could be deleted. However,
+ * it is remaining here to make sure that any settings that got updated
+ * quietly which may have not triggered an update request will also get
+ * included in the values that get saved to the changeset. This will ensure
+ * that values that get injected via the saved event will be included in
+ * the changeset. This also ensures that setting values that were invalid
+ * will get re-validated, perhaps in the case of settings that are invalid
+ * due to dependencies on other settings.
+ */
+ request = wp.ajax.post( 'customize_save', query );
+ api.state( 'processing' ).set( api.state( 'processing' ).get() + 1 );
+
+ api.trigger( 'save', request );
+
+ request.always( function () {
+ api.state( 'processing' ).set( api.state( 'processing' ).get() - 1 );
+ api.state( 'saving' ).set( false );
+ api.unbind( 'change', captureSettingModifiedDuringSave );
+ } );
+
+ // Remove notifications that were added due to save failures.
+ api.notifications.each( function( notification ) {
+ if ( notification.saveFailure ) {
+ api.notifications.remove( notification.code );
+ }
+ });
+
+ request.fail( function ( response ) {
+ var notification, notificationArgs;
+ notificationArgs = {
+ type: 'error',
+ dismissible: true,
+ fromServer: true,
+ saveFailure: true
+ };
+
+ if ( '0' === response ) {
+ response = 'not_logged_in';
+ } else if ( '-1' === response ) {
+ // Back-compat in case any other check_ajax_referer() call is dying
+ response = 'invalid_nonce';
+ }
+
+ if ( 'invalid_nonce' === response ) {
+ previewer.cheatin();
+ } else if ( 'not_logged_in' === response ) {
+ previewer.preview.iframe.hide();
+ previewer.login().done( function() {
+ previewer.save();
+ previewer.preview.iframe.show();
+ } );
+ } else if ( response.code ) {
+ if ( 'not_future_date' === response.code && api.section.has( 'publish_settings' ) && api.section( 'publish_settings' ).active.get() && api.control.has( 'changeset_scheduled_date' ) ) {
+ api.control( 'changeset_scheduled_date' ).toggleFutureDateNotification( true ).focus();
+ } else if ( 'changeset_locked' !== response.code ) {
+ notification = new api.Notification( response.code, _.extend( notificationArgs, {
+ message: response.message
+ } ) );
+ }
+ } else {
+ notification = new api.Notification( 'unknown_error', _.extend( notificationArgs, {
+ message: api.l10n.unknownRequestFail
+ } ) );
+ }
+
+ if ( notification ) {
+ api.notifications.add( notification );
+ }
+
+ if ( response.setting_validities ) {
+ api._handleSettingValidities( {
+ settingValidities: response.setting_validities,
+ focusInvalidControl: true
+ } );
+ }
+
+ deferred.rejectWith( previewer, [ response ] );
+ api.trigger( 'error', response );
+
+ // Start a new changeset if the underlying changeset was published.
+ if ( 'changeset_already_published' === response.code && response.next_changeset_uuid ) {
+ api.settings.changeset.uuid = response.next_changeset_uuid;
+ api.state( 'changesetStatus' ).set( '' );
+ if ( api.settings.changeset.branching ) {
+ parent.send( 'changeset-uuid', api.settings.changeset.uuid );
+ }
+ api.previewer.send( 'changeset-uuid', api.settings.changeset.uuid );
+ }
+ } );
+
+ request.done( function( response ) {
+
+ previewer.send( 'saved', response );
+
+ api.state( 'changesetStatus' ).set( response.changeset_status );
+ if ( response.changeset_date ) {
+ api.state( 'changesetDate' ).set( response.changeset_date );
+ }
+
+ if ( 'publish' === response.changeset_status ) {
+
+ // Mark all published as clean if they haven't been modified during the request.
+ api.each( function( setting ) {
+ /*
+ * Note that the setting revision will be undefined in the case of setting
+ * values that are marked as dirty when the customizer is loaded, such as
+ * when applying starter content. All other dirty settings will have an
+ * associated revision due to their modification triggering a change event.
+ */
+ if ( setting._dirty && ( _.isUndefined( api._latestSettingRevisions[ setting.id ] ) || api._latestSettingRevisions[ setting.id ] <= latestRevision ) ) {
+ setting._dirty = false;
+ }
+ } );
+
+ api.state( 'changesetStatus' ).set( '' );
+ api.settings.changeset.uuid = response.next_changeset_uuid;
+ if ( api.settings.changeset.branching ) {
+ parent.send( 'changeset-uuid', api.settings.changeset.uuid );
+ }
+ }
+
+ // Prevent subsequent requestChangesetUpdate() calls from including the settings that have been saved.
+ api._lastSavedRevision = Math.max( latestRevision, api._lastSavedRevision );
+
+ if ( response.setting_validities ) {
+ api._handleSettingValidities( {
+ settingValidities: response.setting_validities,
+ focusInvalidControl: true
+ } );
+ }
+
+ deferred.resolveWith( previewer, [ response ] );
+ api.trigger( 'saved', response );
+
+ // Restore the global dirty state if any settings were modified during save.
+ if ( ! _.isEmpty( modifiedWhileSaving ) ) {
+ api.state( 'saved' ).set( false );
+ }
+ } );
+ };
+
+ if ( 0 === processing() ) {
+ submit();
+ } else {
+ submitWhenDoneProcessing = function () {
+ if ( 0 === processing() ) {
+ api.state.unbind( 'change', submitWhenDoneProcessing );
+ submit();
+ }
+ };
+ api.state.bind( 'change', submitWhenDoneProcessing );
+ }
+
+ return deferred.promise();
+ },
+
+ /**
+ * Trash the current changes.
+ *
+ * Revert the Customizer to it's previously-published state.
+ *
+ * @since 4.9.0
+ *
+ * @returns {jQuery.promise} Promise.
+ */
+ trash: function trash() {
+ var request, success, fail;
+
+ api.state( 'trashing' ).set( true );
+ api.state( 'processing' ).set( api.state( 'processing' ).get() + 1 );
+
+ request = wp.ajax.post( 'customize_trash', {
+ customize_changeset_uuid: api.settings.changeset.uuid,
+ nonce: api.settings.nonce.trash
+ } );
+ api.notifications.add( new api.OverlayNotification( 'changeset_trashing', {
+ type: 'info',
+ message: api.l10n.revertingChanges,
+ loading: true
+ } ) );
+
+ success = function() {
+ var urlParser = document.createElement( 'a' ), queryParams;
+
+ api.state( 'changesetStatus' ).set( 'trash' );
+ api.each( function( setting ) {
+ setting._dirty = false;
+ } );
+ api.state( 'saved' ).set( true );
+
+ // Go back to Customizer without changeset.
+ urlParser.href = location.href;
+ queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+ delete queryParams.changeset_uuid;
+ queryParams['return'] = api.settings.url['return'];
+ urlParser.search = $.param( queryParams );
+ location.replace( urlParser.href );
+ };
+
+ fail = function( code, message ) {
+ var notificationCode = code || 'unknown_error';
+ api.state( 'processing' ).set( api.state( 'processing' ).get() - 1 );
+ api.state( 'trashing' ).set( false );
+ api.notifications.remove( 'changeset_trashing' );
+ api.notifications.add( new api.Notification( notificationCode, {
+ message: message || api.l10n.unknownError,
+ dismissible: true,
+ type: 'error'
+ } ) );
+ };
+
+ request.done( function( response ) {
+ success( response.message );
+ } );
+
+ request.fail( function( response ) {
+ var code = response.code || 'trashing_failed';
+ if ( response.success || 'non_existent_changeset' === code || 'changeset_already_trashed' === code ) {
+ success( response.message );
+ } else {
+ fail( code, response.message );
+ }
+ } );
+ },
+
+ /**
+ * Builds the front preview url with the current state of customizer.
+ *
+ * @since 4.9
+ *
+ * @return {string} Preview url.
+ */
+ getFrontendPreviewUrl: function() {
+ var previewer = this, params, urlParser;
+ urlParser = document.createElement( 'a' );
+ urlParser.href = previewer.previewUrl.get();
+ params = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+
+ if ( api.state( 'changesetStatus' ).get() && 'publish' !== api.state( 'changesetStatus' ).get() ) {
+ params.customize_changeset_uuid = api.settings.changeset.uuid;
+ }
+ if ( ! api.state( 'activated' ).get() ) {
+ params.customize_theme = api.settings.theme.stylesheet;
+ }
+
+ urlParser.search = $.param( params );
+ return urlParser.href;
+ }
+ });
+
+ // Ensure preview nonce is included with every customized request, to allow post data to be read.
+ $.ajaxPrefilter( function injectPreviewNonce( options ) {
+ if ( ! /wp_customize=on/.test( options.data ) ) {
+ return;
+ }
+ options.data += '&' + $.param({
+ customize_preview_nonce: api.settings.nonce.preview
+ });
+ });
+
+ // Refresh the nonces if the preview sends updated nonces over.
+ api.previewer.bind( 'nonce', function( nonce ) {
+ $.extend( this.nonce, nonce );
+ });
+
+ // Refresh the nonces if login sends updated nonces over.
+ api.bind( 'nonce-refresh', function( nonce ) {
+ $.extend( api.settings.nonce, nonce );
+ $.extend( api.previewer.nonce, nonce );
+ api.previewer.send( 'nonce-refresh', nonce );
+ });
+
+ // Create Settings
+ $.each( api.settings.settings, function( id, data ) {
+ var Constructor = api.settingConstructor[ data.type ] || api.Setting;
+ api.add( new Constructor( id, data.value, {
+ transport: data.transport,
+ previewer: api.previewer,
+ dirty: !! data.dirty
+ } ) );
+ });
+
+ // Create Panels
+ $.each( api.settings.panels, function ( id, data ) {
+ var Constructor = api.panelConstructor[ data.type ] || api.Panel, options;
+ options = _.extend( { params: data }, data ); // Inclusion of params alias is for back-compat for custom panels that expect to augment this property.
+ api.panel.add( new Constructor( id, options ) );
+ });
+
+ // Create Sections
+ $.each( api.settings.sections, function ( id, data ) {
+ var Constructor = api.sectionConstructor[ data.type ] || api.Section, options;
+ options = _.extend( { params: data }, data ); // Inclusion of params alias is for back-compat for custom sections that expect to augment this property.
+ api.section.add( new Constructor( id, options ) );
+ });
+
+ // Create Controls
+ $.each( api.settings.controls, function( id, data ) {
+ var Constructor = api.controlConstructor[ data.type ] || api.Control, options;
+ options = _.extend( { params: data }, data ); // Inclusion of params alias is for back-compat for custom controls that expect to augment this property.
+ api.control.add( new Constructor( id, options ) );
+ });
+
+ // Focus the autofocused element
+ _.each( [ 'panel', 'section', 'control' ], function( type ) {
+ var id = api.settings.autofocus[ type ];
+ if ( ! id ) {
+ return;
+ }
+
+ /*
+ * Defer focus until:
+ * 1. The panel, section, or control exists (especially for dynamically-created ones).
+ * 2. The instance is embedded in the document (and so is focusable).
+ * 3. The preview has finished loading so that the active states have been set.
+ */
+ api[ type ]( id, function( instance ) {
+ instance.deferred.embedded.done( function() {
+ api.previewer.deferred.active.done( function() {
+ instance.focus();
+ });
+ });
+ });
+ });
+
+ api.bind( 'ready', api.reflowPaneContents );
+ $( [ api.panel, api.section, api.control ] ).each( function ( i, values ) {
+ var debouncedReflowPaneContents = _.debounce( api.reflowPaneContents, api.settings.timeouts.reflowPaneContents );
+ values.bind( 'add', debouncedReflowPaneContents );
+ values.bind( 'change', debouncedReflowPaneContents );
+ values.bind( 'remove', debouncedReflowPaneContents );
+ } );
+
+ // Set up global notifications area.
+ api.bind( 'ready', function setUpGlobalNotificationsArea() {
+ var sidebar, containerHeight, containerInitialTop;
+ api.notifications.container = $( '#customize-notifications-area' );
+
+ api.notifications.bind( 'change', _.debounce( function() {
+ api.notifications.render();
+ } ) );
+
+ sidebar = $( '.wp-full-overlay-sidebar-content' );
+ api.notifications.bind( 'rendered', function updateSidebarTop() {
+ sidebar.css( 'top', '' );
+ if ( 0 !== api.notifications.count() ) {
+ containerHeight = api.notifications.container.outerHeight() + 1;
+ containerInitialTop = parseInt( sidebar.css( 'top' ), 10 );
+ sidebar.css( 'top', containerInitialTop + containerHeight + 'px' );
+ }
+ api.notifications.trigger( 'sidebarTopUpdated' );
+ });
+
+ api.notifications.render();
+ });
+
+ // Save and activated states
+ (function( state ) {
+ var saved = state.instance( 'saved' ),
+ saving = state.instance( 'saving' ),
+ trashing = state.instance( 'trashing' ),
+ activated = state.instance( 'activated' ),
+ processing = state.instance( 'processing' ),
+ paneVisible = state.instance( 'paneVisible' ),
+ expandedPanel = state.instance( 'expandedPanel' ),
+ expandedSection = state.instance( 'expandedSection' ),
+ changesetStatus = state.instance( 'changesetStatus' ),
+ selectedChangesetStatus = state.instance( 'selectedChangesetStatus' ),
+ changesetDate = state.instance( 'changesetDate' ),
+ selectedChangesetDate = state.instance( 'selectedChangesetDate' ),
+ previewerAlive = state.instance( 'previewerAlive' ),
+ editShortcutVisibility = state.instance( 'editShortcutVisibility' ),
+ changesetLocked = state.instance( 'changesetLocked' ),
+ populateChangesetUuidParam, defaultSelectedChangesetStatus;
+
+ state.bind( 'change', function() {
+ var canSave;
+
+ if ( ! activated() ) {
+ saveBtn.val( api.l10n.activate );
+ closeBtn.find( '.screen-reader-text' ).text( api.l10n.cancel );
+
+ } else if ( '' === changesetStatus.get() && saved() ) {
+ if ( api.settings.changeset.currentUserCanPublish ) {
+ saveBtn.val( api.l10n.published );
+ } else {
+ saveBtn.val( api.l10n.saved );
+ }
+ closeBtn.find( '.screen-reader-text' ).text( api.l10n.close );
+
+ } else {
+ if ( 'draft' === selectedChangesetStatus() ) {
+ if ( saved() && selectedChangesetStatus() === changesetStatus() ) {
+ saveBtn.val( api.l10n.draftSaved );
+ } else {
+ saveBtn.val( api.l10n.saveDraft );
+ }
+ } else if ( 'future' === selectedChangesetStatus() ) {
+ if ( saved() && selectedChangesetStatus() === changesetStatus() ) {
+ if ( changesetDate.get() !== selectedChangesetDate.get() ) {
+ saveBtn.val( api.l10n.schedule );
+ } else {
+ saveBtn.val( api.l10n.scheduled );
+ }
+ } else {
+ saveBtn.val( api.l10n.schedule );
+ }
+ } else if ( api.settings.changeset.currentUserCanPublish ) {
+ saveBtn.val( api.l10n.publish );
+ }
+ closeBtn.find( '.screen-reader-text' ).text( api.l10n.cancel );
+ }
+
+ /*
+ * Save (publish) button should be enabled if saving is not currently happening,
+ * and if the theme is not active or the changeset exists but is not published.
+ */
+ canSave = ! saving() && ! trashing() && ! changesetLocked() && ( ! activated() || ! saved() || ( changesetStatus() !== selectedChangesetStatus() && '' !== changesetStatus() ) || ( 'future' === selectedChangesetStatus() && changesetDate.get() !== selectedChangesetDate.get() ) );
+
+ saveBtn.prop( 'disabled', ! canSave );
+ });
+
+ selectedChangesetStatus.validate = function( status ) {
+ if ( '' === status || 'auto-draft' === status ) {
+ return null;
+ }
+ return status;
+ };
+
+ defaultSelectedChangesetStatus = api.settings.changeset.currentUserCanPublish ? 'publish' : 'draft';
+
+ // Set default states.
+ changesetStatus( api.settings.changeset.status );
+ changesetLocked( Boolean( api.settings.changeset.lockUser ) );
+ changesetDate( api.settings.changeset.publishDate );
+ selectedChangesetDate( api.settings.changeset.publishDate );
+ selectedChangesetStatus( '' === api.settings.changeset.status || 'auto-draft' === api.settings.changeset.status ? defaultSelectedChangesetStatus : api.settings.changeset.status );
+ selectedChangesetStatus.link( changesetStatus ); // Ensure that direct updates to status on server via wp.customizer.previewer.save() will update selection.
+ saved( true );
+ if ( '' === changesetStatus() ) { // Handle case for loading starter content.
+ api.each( function( setting ) {
+ if ( setting._dirty ) {
+ saved( false );
+ }
+ } );
+ }
+ saving( false );
+ activated( api.settings.theme.active );
+ processing( 0 );
+ paneVisible( true );
+ expandedPanel( false );
+ expandedSection( false );
+ previewerAlive( true );
+ editShortcutVisibility( 'visible' );
+
+ api.bind( 'change', function() {
+ if ( state( 'saved' ).get() ) {
+ state( 'saved' ).set( false );
+ }
+ });
+
+ // Populate changeset UUID param when state becomes dirty.
+ if ( api.settings.changeset.branching ) {
+ saved.bind( function( isSaved ) {
+ if ( ! isSaved ) {
+ populateChangesetUuidParam( true );
+ }
+ });
+ }
+
+ saving.bind( function( isSaving ) {
+ body.toggleClass( 'saving', isSaving );
+ } );
+ trashing.bind( function( isTrashing ) {
+ body.toggleClass( 'trashing', isTrashing );
+ } );
+
+ api.bind( 'saved', function( response ) {
+ state('saved').set( true );
+ if ( 'publish' === response.changeset_status ) {
+ state( 'activated' ).set( true );
+ }
+ });
+
+ activated.bind( function( to ) {
+ if ( to ) {
+ api.trigger( 'activated' );
+ }
+ });
+
+ /**
+ * Populate URL with UUID via `history.replaceState()`.
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @param {boolean} isIncluded Is UUID included.
+ * @returns {void}
+ */
+ populateChangesetUuidParam = function( isIncluded ) {
+ var urlParser, queryParams;
+
+ // Abort on IE9 which doesn't support history management.
+ if ( ! history.replaceState ) {
+ return;
+ }
+
+ urlParser = document.createElement( 'a' );
+ urlParser.href = location.href;
+ queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+ if ( isIncluded ) {
+ if ( queryParams.changeset_uuid === api.settings.changeset.uuid ) {
+ return;
+ }
+ queryParams.changeset_uuid = api.settings.changeset.uuid;
+ } else {
+ if ( ! queryParams.changeset_uuid ) {
+ return;
+ }
+ delete queryParams.changeset_uuid;
+ }
+ urlParser.search = $.param( queryParams );
+ history.replaceState( {}, document.title, urlParser.href );
+ };
+
+ // Show changeset UUID in URL when in branching mode and there is a saved changeset.
+ if ( api.settings.changeset.branching ) {
+ changesetStatus.bind( function( newStatus ) {
+ populateChangesetUuidParam( '' !== newStatus && 'publish' !== newStatus && 'trash' !== newStatus );
+ } );
+ }
+ }( api.state ) );
+
+ /**
+ * Handles lock notice and take over request.
+ *
+ * @since 4.9.0
+ */
+ ( function checkAndDisplayLockNotice() {
+
+ var LockedNotification = api.OverlayNotification.extend(/** @lends wp.customize~LockedNotification.prototype */{
+
+ /**
+ * Template ID.
+ *
+ * @type {string}
+ */
+ templateId: 'customize-changeset-locked-notification',
+
+ /**
+ * Lock user.
+ *
+ * @type {object}
+ */
+ lockUser: null,
+
+ /**
+ * A notification that is displayed in a full-screen overlay with information about the locked changeset.
+ *
+ * @constructs wp.customize~LockedNotification
+ * @augments wp.customize.OverlayNotification
+ *
+ * @since 4.9.0
+ *
+ * @param {string} [code] - Code.
+ * @param {object} [params] - Params.
+ */
+ initialize: function( code, params ) {
+ var notification = this, _code, _params;
+ _code = code || 'changeset_locked';
+ _params = _.extend(
+ {
+ type: 'warning',
+ containerClasses: '',
+ lockUser: {}
+ },
+ params
+ );
+ _params.containerClasses += ' notification-changeset-locked';
+ api.OverlayNotification.prototype.initialize.call( notification, _code, _params );
+ },
+
+ /**
+ * Render notification.
+ *
+ * @since 4.9.0
+ *
+ * @return {jQuery} Notification container.
+ */
+ render: function() {
+ var notification = this, li, data, takeOverButton, request;
+ data = _.extend(
+ {
+ allowOverride: false,
+ returnUrl: api.settings.url['return'],
+ previewUrl: api.previewer.previewUrl.get(),
+ frontendPreviewUrl: api.previewer.getFrontendPreviewUrl()
+ },
+ this
+ );
+
+ li = api.OverlayNotification.prototype.render.call( data );
+
+ // Try to autosave the changeset now.
+ api.requestChangesetUpdate( {}, { autosave: true } ).fail( function( response ) {
+ if ( ! response.autosaved ) {
+ li.find( '.notice-error' ).prop( 'hidden', false ).text( response.message || api.l10n.unknownRequestFail );
+ }
+ } );
+
+ takeOverButton = li.find( '.customize-notice-take-over-button' );
+ takeOverButton.on( 'click', function( event ) {
+ event.preventDefault();
+ if ( request ) {
+ return;
+ }
+
+ takeOverButton.addClass( 'disabled' );
+ request = wp.ajax.post( 'customize_override_changeset_lock', {
+ wp_customize: 'on',
+ customize_theme: api.settings.theme.stylesheet,
+ customize_changeset_uuid: api.settings.changeset.uuid,
+ nonce: api.settings.nonce.override_lock
+ } );
+
+ request.done( function() {
+ api.notifications.remove( notification.code ); // Remove self.
+ api.state( 'changesetLocked' ).set( false );
+ } );
+
+ request.fail( function( response ) {
+ var message = response.message || api.l10n.unknownRequestFail;
+ li.find( '.notice-error' ).prop( 'hidden', false ).text( message );
+
+ request.always( function() {
+ takeOverButton.removeClass( 'disabled' );
+ } );
+ } );
+
+ request.always( function() {
+ request = null;
+ } );
+ } );
+
+ return li;
+ }
+ });
+
+ /**
+ * Start lock.
+ *
+ * @since 4.9.0
+ *
+ * @param {object} [args] - Args.
+ * @param {object} [args.lockUser] - Lock user data.
+ * @param {boolean} [args.allowOverride=false] - Whether override is allowed.
+ * @returns {void}
+ */
+ function startLock( args ) {
+ if ( args && args.lockUser ) {
+ api.settings.changeset.lockUser = args.lockUser;
+ }
+ api.state( 'changesetLocked' ).set( true );
+ api.notifications.add( new LockedNotification( 'changeset_locked', {
+ lockUser: api.settings.changeset.lockUser,
+ allowOverride: Boolean( args && args.allowOverride )
+ } ) );
+ }
+
+ // Show initial notification.
+ if ( api.settings.changeset.lockUser ) {
+ startLock( { allowOverride: true } );
+ }
+
+ // Check for lock when sending heartbeat requests.
+ $( document ).on( 'heartbeat-send.update_lock_notice', function( event, data ) {
+ data.check_changeset_lock = true;
+ data.changeset_uuid = api.settings.changeset.uuid;
+ } );
+
+ // Handle heartbeat ticks.
+ $( document ).on( 'heartbeat-tick.update_lock_notice', function( event, data ) {
+ var notification, code = 'changeset_locked';
+ if ( ! data.customize_changeset_lock_user ) {
+ return;
+ }
+
+ // Update notification when a different user takes over.
+ notification = api.notifications( code );
+ if ( notification && notification.lockUser.id !== api.settings.changeset.lockUser.id ) {
+ api.notifications.remove( code );
+ }
+
+ startLock( {
+ lockUser: data.customize_changeset_lock_user
+ } );
+ } );
+
+ // Handle locking in response to changeset save errors.
+ api.bind( 'error', function( response ) {
+ if ( 'changeset_locked' === response.code && response.lock_user ) {
+ startLock( {
+ lockUser: response.lock_user
+ } );
+ }
+ } );
+ } )();
+
+ // Set up initial notifications.
+ (function() {
+ var removedQueryParams = [], autosaveDismissed = false;
+
+ /**
+ * Obtain the URL to restore the autosave.
+ *
+ * @returns {string} Customizer URL.
+ */
+ function getAutosaveRestorationUrl() {
+ var urlParser, queryParams;
+ urlParser = document.createElement( 'a' );
+ urlParser.href = location.href;
+ queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+ if ( api.settings.changeset.latestAutoDraftUuid ) {
+ queryParams.changeset_uuid = api.settings.changeset.latestAutoDraftUuid;
+ } else {
+ queryParams.customize_autosaved = 'on';
+ }
+ queryParams['return'] = api.settings.url['return'];
+ urlParser.search = $.param( queryParams );
+ return urlParser.href;
+ }
+
+ /**
+ * Remove parameter from the URL.
+ *
+ * @param {Array} params - Parameter names to remove.
+ * @returns {void}
+ */
+ function stripParamsFromLocation( params ) {
+ var urlParser = document.createElement( 'a' ), queryParams, strippedParams = 0;
+ urlParser.href = location.href;
+ queryParams = api.utils.parseQueryString( urlParser.search.substr( 1 ) );
+ _.each( params, function( param ) {
+ if ( 'undefined' !== typeof queryParams[ param ] ) {
+ strippedParams += 1;
+ delete queryParams[ param ];
+ }
+ } );
+ if ( 0 === strippedParams ) {
+ return;
+ }
+
+ urlParser.search = $.param( queryParams );
+ history.replaceState( {}, document.title, urlParser.href );
+ }
+
+ /**
+ * Dismiss autosave.
+ *
+ * @returns {void}
+ */
+ function dismissAutosave() {
+ if ( autosaveDismissed ) {
+ return;
+ }
+ wp.ajax.post( 'customize_dismiss_autosave_or_lock', {
+ wp_customize: 'on',
+ customize_theme: api.settings.theme.stylesheet,
+ customize_changeset_uuid: api.settings.changeset.uuid,
+ nonce: api.settings.nonce.dismiss_autosave_or_lock,
+ dismiss_autosave: true
+ } );
+ autosaveDismissed = true;
+ }
+
+ /**
+ * Add notification regarding the availability of an autosave to restore.
+ *
+ * @returns {void}
+ */
+ function addAutosaveRestoreNotification() {
+ var code = 'autosave_available', onStateChange;
+
+ // Since there is an autosave revision and the user hasn't loaded with autosaved, add notification to prompt to load autosaved version.
+ api.notifications.add( new api.Notification( code, {
+ message: api.l10n.autosaveNotice,
+ type: 'warning',
+ dismissible: true,
+ render: function() {
+ var li = api.Notification.prototype.render.call( this ), link;
+
+ // Handle clicking on restoration link.
+ link = li.find( 'a' );
+ link.prop( 'href', getAutosaveRestorationUrl() );
+ link.on( 'click', function( event ) {
+ event.preventDefault();
+ location.replace( getAutosaveRestorationUrl() );
+ } );
+
+ // Handle dismissal of notice.
+ li.find( '.notice-dismiss' ).on( 'click', dismissAutosave );
+
+ return li;
+ }
+ } ) );
+
+ // Remove the notification once the user starts making changes.
+ onStateChange = function() {
+ dismissAutosave();
+ api.notifications.remove( code );
+ api.unbind( 'change', onStateChange );
+ api.state( 'changesetStatus' ).unbind( onStateChange );
+ };
+ api.bind( 'change', onStateChange );
+ api.state( 'changesetStatus' ).bind( onStateChange );
+ }
+
+ if ( api.settings.changeset.autosaved ) {
+ api.state( 'saved' ).set( false );
+ removedQueryParams.push( 'customize_autosaved' );
+ }
+ if ( ! api.settings.changeset.branching && ( ! api.settings.changeset.status || 'auto-draft' === api.settings.changeset.status ) ) {
+ removedQueryParams.push( 'changeset_uuid' ); // Remove UUID when restoring autosave auto-draft.
+ }
+ if ( removedQueryParams.length > 0 ) {
+ stripParamsFromLocation( removedQueryParams );
+ }
+ if ( api.settings.changeset.latestAutoDraftUuid || api.settings.changeset.hasAutosaveRevision ) {
+ addAutosaveRestoreNotification();
+ }
+ })();
+
+ // Check if preview url is valid and load the preview frame.
+ if ( api.previewer.previewUrl() ) {
+ api.previewer.refresh();
+ } else {
+ api.previewer.previewUrl( api.settings.url.home );
+ }
+
+ // Button bindings.
+ saveBtn.click( function( event ) {
+ api.previewer.save();
+ event.preventDefault();
+ }).keydown( function( event ) {
+ if ( 9 === event.which ) { // Tab.
+ return;
+ }
+ if ( 13 === event.which ) { // Enter.
+ api.previewer.save();
+ }
+ event.preventDefault();
+ });
+
+ closeBtn.keydown( function( event ) {
+ if ( 9 === event.which ) { // Tab.
+ return;
+ }
+ if ( 13 === event.which ) { // Enter.
+ this.click();
+ }
+ event.preventDefault();
+ });
+
+ $( '.collapse-sidebar' ).on( 'click', function() {
+ api.state( 'paneVisible' ).set( ! api.state( 'paneVisible' ).get() );
+ });
+
+ api.state( 'paneVisible' ).bind( function( paneVisible ) {
+ overlay.toggleClass( 'preview-only', ! paneVisible );
+ overlay.toggleClass( 'expanded', paneVisible );
+ overlay.toggleClass( 'collapsed', ! paneVisible );
+
+ if ( ! paneVisible ) {
+ $( '.collapse-sidebar' ).attr({ 'aria-expanded': 'false', 'aria-label': api.l10n.expandSidebar });
+ } else {
+ $( '.collapse-sidebar' ).attr({ 'aria-expanded': 'true', 'aria-label': api.l10n.collapseSidebar });
+ }
+ });
+
+ // Keyboard shortcuts - esc to exit section/panel.
+ body.on( 'keydown', function( event ) {
+ var collapsedObject, expandedControls = [], expandedSections = [], expandedPanels = [];
+
+ if ( 27 !== event.which ) { // Esc.
+ return;
+ }
+
+ /*
+ * Abort if the event target is not the body (the default) and not inside of #customize-controls.
+ * This ensures that ESC meant to collapse a modal dialog or a TinyMCE toolbar won't collapse something else.
+ */
+ if ( ! $( event.target ).is( 'body' ) && ! $.contains( $( '#customize-controls' )[0], event.target ) ) {
+ return;
+ }
+
+ // Check for expanded expandable controls (e.g. widgets and nav menus items), sections, and panels.
+ api.control.each( function( control ) {
+ if ( control.expanded && control.expanded() && _.isFunction( control.collapse ) ) {
+ expandedControls.push( control );
+ }
+ });
+ api.section.each( function( section ) {
+ if ( section.expanded() ) {
+ expandedSections.push( section );
+ }
+ });
+ api.panel.each( function( panel ) {
+ if ( panel.expanded() ) {
+ expandedPanels.push( panel );
+ }
+ });
+
+ // Skip collapsing expanded controls if there are no expanded sections.
+ if ( expandedControls.length > 0 && 0 === expandedSections.length ) {
+ expandedControls.length = 0;
+ }
+
+ // Collapse the most granular expanded object.
+ collapsedObject = expandedControls[0] || expandedSections[0] || expandedPanels[0];
+ if ( collapsedObject ) {
+ if ( 'themes' === collapsedObject.params.type ) {
+
+ // Themes panel or section.
+ if ( body.hasClass( 'modal-open' ) ) {
+ collapsedObject.closeDetails();
+ } else if ( api.panel.has( 'themes' ) ) {
+
+ // If we're collapsing a section, collapse the panel also.
+ api.panel( 'themes' ).collapse();
+ }
+ return;
+ }
+ collapsedObject.collapse();
+ event.preventDefault();
+ }
+ });
+
+ $( '.customize-controls-preview-toggle' ).on( 'click', function() {
+ api.state( 'paneVisible' ).set( ! api.state( 'paneVisible' ).get() );
+ });
+
+ /*
+ * Sticky header feature.
+ */
+ (function initStickyHeaders() {
+ var parentContainer = $( '.wp-full-overlay-sidebar-content' ),
+ changeContainer, updateHeaderHeight, releaseStickyHeader, resetStickyHeader, positionStickyHeader,
+ activeHeader, lastScrollTop;
+
+ /**
+ * Determine which panel or section is currently expanded.
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @param {wp.customize.Panel|wp.customize.Section} container Construct.
+ * @returns {void}
+ */
+ changeContainer = function( container ) {
+ var newInstance = container,
+ expandedSection = api.state( 'expandedSection' ).get(),
+ expandedPanel = api.state( 'expandedPanel' ).get(),
+ headerElement;
+
+ if ( activeHeader && activeHeader.element ) {
+ // Release previously active header element.
+ releaseStickyHeader( activeHeader.element );
+
+ // Remove event listener in the previous panel or section.
+ activeHeader.element.find( '.description' ).off( 'toggled', updateHeaderHeight );
+ }
+
+ if ( ! newInstance ) {
+ if ( ! expandedSection && expandedPanel && expandedPanel.contentContainer ) {
+ newInstance = expandedPanel;
+ } else if ( ! expandedPanel && expandedSection && expandedSection.contentContainer ) {
+ newInstance = expandedSection;
+ } else {
+ activeHeader = false;
+ return;
+ }
+ }
+
+ headerElement = newInstance.contentContainer.find( '.customize-section-title, .panel-meta' ).first();
+ if ( headerElement.length ) {
+ activeHeader = {
+ instance: newInstance,
+ element: headerElement,
+ parent: headerElement.closest( '.customize-pane-child' ),
+ height: headerElement.outerHeight()
+ };
+
+ // Update header height whenever help text is expanded or collapsed.
+ activeHeader.element.find( '.description' ).on( 'toggled', updateHeaderHeight );
+
+ if ( expandedSection ) {
+ resetStickyHeader( activeHeader.element, activeHeader.parent );
+ }
+ } else {
+ activeHeader = false;
+ }
+ };
+ api.state( 'expandedSection' ).bind( changeContainer );
+ api.state( 'expandedPanel' ).bind( changeContainer );
+
+ // Throttled scroll event handler.
+ parentContainer.on( 'scroll', _.throttle( function() {
+ if ( ! activeHeader ) {
+ return;
+ }
+
+ var scrollTop = parentContainer.scrollTop(),
+ scrollDirection;
+
+ if ( ! lastScrollTop ) {
+ scrollDirection = 1;
+ } else {
+ if ( scrollTop === lastScrollTop ) {
+ scrollDirection = 0;
+ } else if ( scrollTop > lastScrollTop ) {
+ scrollDirection = 1;
+ } else {
+ scrollDirection = -1;
+ }
+ }
+ lastScrollTop = scrollTop;
+ if ( 0 !== scrollDirection ) {
+ positionStickyHeader( activeHeader, scrollTop, scrollDirection );
+ }
+ }, 8 ) );
+
+ // Update header position on sidebar layout change.
+ api.notifications.bind( 'sidebarTopUpdated', function() {
+ if ( activeHeader && activeHeader.element.hasClass( 'is-sticky' ) ) {
+ activeHeader.element.css( 'top', parentContainer.css( 'top' ) );
+ }
+ });
+
+ // Release header element if it is sticky.
+ releaseStickyHeader = function( headerElement ) {
+ if ( ! headerElement.hasClass( 'is-sticky' ) ) {
+ return;
+ }
+ headerElement
+ .removeClass( 'is-sticky' )
+ .addClass( 'maybe-sticky is-in-view' )
+ .css( 'top', parentContainer.scrollTop() + 'px' );
+ };
+
+ // Reset position of the sticky header.
+ resetStickyHeader = function( headerElement, headerParent ) {
+ if ( headerElement.hasClass( 'is-in-view' ) ) {
+ headerElement
+ .removeClass( 'maybe-sticky is-in-view' )
+ .css( {
+ width: '',
+ top: ''
+ } );
+ headerParent.css( 'padding-top', '' );
+ }
+ };
+
+ /**
+ * Update active header height.
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @returns {void}
+ */
+ updateHeaderHeight = function() {
+ activeHeader.height = activeHeader.element.outerHeight();
+ };
+
+ /**
+ * Reposition header on throttled `scroll` event.
+ *
+ * @since 4.7.0
+ * @access private
+ *
+ * @param {object} header - Header.
+ * @param {number} scrollTop - Scroll top.
+ * @param {number} scrollDirection - Scroll direction, negative number being up and positive being down.
+ * @returns {void}
+ */
+ positionStickyHeader = function( header, scrollTop, scrollDirection ) {
+ var headerElement = header.element,
+ headerParent = header.parent,
+ headerHeight = header.height,
+ headerTop = parseInt( headerElement.css( 'top' ), 10 ),
+ maybeSticky = headerElement.hasClass( 'maybe-sticky' ),
+ isSticky = headerElement.hasClass( 'is-sticky' ),
+ isInView = headerElement.hasClass( 'is-in-view' ),
+ isScrollingUp = ( -1 === scrollDirection );
+
+ // When scrolling down, gradually hide sticky header.
+ if ( ! isScrollingUp ) {
+ if ( isSticky ) {
+ headerTop = scrollTop;
+ headerElement
+ .removeClass( 'is-sticky' )
+ .css( {
+ top: headerTop + 'px',
+ width: ''
+ } );
+ }
+ if ( isInView && scrollTop > headerTop + headerHeight ) {
+ headerElement.removeClass( 'is-in-view' );
+ headerParent.css( 'padding-top', '' );
+ }
+ return;
+ }
+
+ // Scrolling up.
+ if ( ! maybeSticky && scrollTop >= headerHeight ) {
+ maybeSticky = true;
+ headerElement.addClass( 'maybe-sticky' );
+ } else if ( 0 === scrollTop ) {
+ // Reset header in base position.
+ headerElement
+ .removeClass( 'maybe-sticky is-in-view is-sticky' )
+ .css( {
+ top: '',
+ width: ''
+ } );
+ headerParent.css( 'padding-top', '' );
+ return;
+ }
+
+ if ( isInView && ! isSticky ) {
+ // Header is in the view but is not yet sticky.
+ if ( headerTop >= scrollTop ) {
+ // Header is fully visible.
+ headerElement
+ .addClass( 'is-sticky' )
+ .css( {
+ top: parentContainer.css( 'top' ),
+ width: headerParent.outerWidth() + 'px'
+ } );
+ }
+ } else if ( maybeSticky && ! isInView ) {
+ // Header is out of the view.
+ headerElement
+ .addClass( 'is-in-view' )
+ .css( 'top', ( scrollTop - headerHeight ) + 'px' );
+ headerParent.css( 'padding-top', headerHeight + 'px' );
+ }
+ };
+ }());
+
+ // Previewed device bindings. (The api.previewedDevice property is how this Value was first introduced, but since it has moved to api.state.)
+ api.previewedDevice = api.state( 'previewedDevice' );
+
+ // Set the default device.
+ api.bind( 'ready', function() {
+ _.find( api.settings.previewableDevices, function( value, key ) {
+ if ( true === value['default'] ) {
+ api.previewedDevice.set( key );
+ return true;
+ }
+ } );
+ } );
+
+ // Set the toggled device.
+ footerActions.find( '.devices button' ).on( 'click', function( event ) {
+ api.previewedDevice.set( $( event.currentTarget ).data( 'device' ) );
+ });
+
+ // Bind device changes.
+ api.previewedDevice.bind( function( newDevice ) {
+ var overlay = $( '.wp-full-overlay' ),
+ devices = '';
+
+ footerActions.find( '.devices button' )
+ .removeClass( 'active' )
+ .attr( 'aria-pressed', false );
+
+ footerActions.find( '.devices .preview-' + newDevice )
+ .addClass( 'active' )
+ .attr( 'aria-pressed', true );
+
+ $.each( api.settings.previewableDevices, function( device ) {
+ devices += ' preview-' + device;
+ } );
+
+ overlay
+ .removeClass( devices )
+ .addClass( 'preview-' + newDevice );
+ } );
+
+ // Bind site title display to the corresponding field.
+ if ( title.length ) {
+ api( 'blogname', function( setting ) {
+ var updateTitle = function() {
+ title.text( $.trim( setting() ) || api.l10n.untitledBlogName );
+ };
+ setting.bind( updateTitle );
+ updateTitle();
+ } );
+ }
+
+ /*
+ * Create a postMessage connection with a parent frame,
+ * in case the Customizer frame was opened with the Customize loader.
+ *
+ * @see wp.customize.Loader
+ */
+ parent = new api.Messenger({
+ url: api.settings.url.parent,
+ channel: 'loader'
+ });
+
+ // Handle exiting of Customizer.
+ (function() {
+ var isInsideIframe = false;
+
+ function isCleanState() {
+ var defaultChangesetStatus;
+
+ /*
+ * Handle special case of previewing theme switch since some settings (for nav menus and widgets)
+ * are pre-dirty and non-active themes can only ever be auto-drafts.
+ */
+ if ( ! api.state( 'activated' ).get() ) {
+ return 0 === api._latestRevision;
+ }
+
+ // Dirty if the changeset status has been changed but not saved yet.
+ defaultChangesetStatus = api.state( 'changesetStatus' ).get();
+ if ( '' === defaultChangesetStatus || 'auto-draft' === defaultChangesetStatus ) {
+ defaultChangesetStatus = 'publish';
+ }
+ if ( api.state( 'selectedChangesetStatus' ).get() !== defaultChangesetStatus ) {
+ return false;
+ }
+
+ // Dirty if scheduled but the changeset date hasn't been saved yet.
+ if ( 'future' === api.state( 'selectedChangesetStatus' ).get() && api.state( 'selectedChangesetDate' ).get() !== api.state( 'changesetDate' ).get() ) {
+ return false;
+ }
+
+ return api.state( 'saved' ).get() && 'auto-draft' !== api.state( 'changesetStatus' ).get();
+ }
+
+ /*
+ * If we receive a 'back' event, we're inside an iframe.
+ * Send any clicks to the 'Return' link to the parent page.
+ */
+ parent.bind( 'back', function() {
+ isInsideIframe = true;
+ });
+
+ function startPromptingBeforeUnload() {
+ api.unbind( 'change', startPromptingBeforeUnload );
+ api.state( 'selectedChangesetStatus' ).unbind( startPromptingBeforeUnload );
+ api.state( 'selectedChangesetDate' ).unbind( startPromptingBeforeUnload );
+
+ // Prompt user with AYS dialog if leaving the Customizer with unsaved changes
+ $( window ).on( 'beforeunload.customize-confirm', function() {
+ if ( ! isCleanState() && ! api.state( 'changesetLocked' ).get() ) {
+ setTimeout( function() {
+ overlay.removeClass( 'customize-loading' );
+ }, 1 );
+ return api.l10n.saveAlert;
+ }
+ });
+ }
+ api.bind( 'change', startPromptingBeforeUnload );
+ api.state( 'selectedChangesetStatus' ).bind( startPromptingBeforeUnload );
+ api.state( 'selectedChangesetDate' ).bind( startPromptingBeforeUnload );
+
+ function requestClose() {
+ var clearedToClose = $.Deferred(), dismissAutoSave = false, dismissLock = false;
+
+ if ( isCleanState() ) {
+ dismissLock = true;
+ } else if ( confirm( api.l10n.saveAlert ) ) {
+
+ dismissLock = true;
+
+ // Mark all settings as clean to prevent another call to requestChangesetUpdate.
+ api.each( function( setting ) {
+ setting._dirty = false;
+ });
+ $( document ).off( 'visibilitychange.wp-customize-changeset-update' );
+ $( window ).off( 'beforeunload.wp-customize-changeset-update' );
+
+ closeBtn.css( 'cursor', 'progress' );
+ if ( '' !== api.state( 'changesetStatus' ).get() ) {
+ dismissAutoSave = true;
+ }
+ } else {
+ clearedToClose.reject();
+ }
+
+ if ( dismissLock || dismissAutoSave ) {
+ wp.ajax.send( 'customize_dismiss_autosave_or_lock', {
+ timeout: 500, // Don't wait too long.
+ data: {
+ wp_customize: 'on',
+ customize_theme: api.settings.theme.stylesheet,
+ customize_changeset_uuid: api.settings.changeset.uuid,
+ nonce: api.settings.nonce.dismiss_autosave_or_lock,
+ dismiss_autosave: dismissAutoSave,
+ dismiss_lock: dismissLock
+ }
+ } ).always( function() {
+ clearedToClose.resolve();
+ } );
+ }
+
+ return clearedToClose.promise();
+ }
+
+ parent.bind( 'confirm-close', function() {
+ requestClose().done( function() {
+ parent.send( 'confirmed-close', true );
+ } ).fail( function() {
+ parent.send( 'confirmed-close', false );
+ } );
+ } );
+
+ closeBtn.on( 'click.customize-controls-close', function( event ) {
+ event.preventDefault();
+ if ( isInsideIframe ) {
+ parent.send( 'close' ); // See confirm-close logic above.
+ } else {
+ requestClose().done( function() {
+ $( window ).off( 'beforeunload.customize-confirm' );
+ window.location.href = closeBtn.prop( 'href' );
+ } );
+ }
+ });
+ })();
+
+ // Pass events through to the parent.
+ $.each( [ 'saved', 'change' ], function ( i, event ) {
+ api.bind( event, function() {
+ parent.send( event );
+ });
+ } );
+
+ // Pass titles to the parent
+ api.bind( 'title', function( newTitle ) {
+ parent.send( 'title', newTitle );
+ });
+
+ if ( api.settings.changeset.branching ) {
+ parent.send( 'changeset-uuid', api.settings.changeset.uuid );
+ }
+
+ // Initialize the connection with the parent frame.
+ parent.send( 'ready' );
+
+ // Control visibility for default controls
+ $.each({
+ 'background_image': {
+ controls: [ 'background_preset', 'background_position', 'background_size', 'background_repeat', 'background_attachment' ],
+ callback: function( to ) { return !! to; }
+ },
+ 'show_on_front': {
+ controls: [ 'page_on_front', 'page_for_posts' ],
+ callback: function( to ) { return 'page' === to; }
+ },
+ 'header_textcolor': {
+ controls: [ 'header_textcolor' ],
+ callback: function( to ) { return 'blank' !== to; }
+ }
+ }, function( settingId, o ) {
+ api( settingId, function( setting ) {
+ $.each( o.controls, function( i, controlId ) {
+ api.control( controlId, function( control ) {
+ var visibility = function( to ) {
+ control.container.toggle( o.callback( to ) );
+ };
+
+ visibility( setting.get() );
+ setting.bind( visibility );
+ });
+ });
+ });
+ });
+
+ api.control( 'background_preset', function( control ) {
+ var visibility, defaultValues, values, toggleVisibility, updateSettings, preset;
+
+ visibility = { // position, size, repeat, attachment
+ 'default': [ false, false, false, false ],
+ 'fill': [ true, false, false, false ],
+ 'fit': [ true, false, true, false ],
+ 'repeat': [ true, false, false, true ],
+ 'custom': [ true, true, true, true ]
+ };
+
+ defaultValues = [
+ _wpCustomizeBackground.defaults['default-position-x'],
+ _wpCustomizeBackground.defaults['default-position-y'],
+ _wpCustomizeBackground.defaults['default-size'],
+ _wpCustomizeBackground.defaults['default-repeat'],
+ _wpCustomizeBackground.defaults['default-attachment']
+ ];
+
+ values = { // position_x, position_y, size, repeat, attachment
+ 'default': defaultValues,
+ 'fill': [ 'left', 'top', 'cover', 'no-repeat', 'fixed' ],
+ 'fit': [ 'left', 'top', 'contain', 'no-repeat', 'fixed' ],
+ 'repeat': [ 'left', 'top', 'auto', 'repeat', 'scroll' ]
+ };
+
+ // @todo These should actually toggle the active state, but without the preview overriding the state in data.activeControls.
+ toggleVisibility = function( preset ) {
+ _.each( [ 'background_position', 'background_size', 'background_repeat', 'background_attachment' ], function( controlId, i ) {
+ var control = api.control( controlId );
+ if ( control ) {
+ control.container.toggle( visibility[ preset ][ i ] );
+ }
+ } );
+ };
+
+ updateSettings = function( preset ) {
+ _.each( [ 'background_position_x', 'background_position_y', 'background_size', 'background_repeat', 'background_attachment' ], function( settingId, i ) {
+ var setting = api( settingId );
+ if ( setting ) {
+ setting.set( values[ preset ][ i ] );
+ }
+ } );
+ };
+
+ preset = control.setting.get();
+ toggleVisibility( preset );
+
+ control.setting.bind( 'change', function( preset ) {
+ toggleVisibility( preset );
+ if ( 'custom' !== preset ) {
+ updateSettings( preset );
+ }
+ } );
+ } );
+
+ api.control( 'background_repeat', function( control ) {
+ control.elements[0].unsync( api( 'background_repeat' ) );
+
+ control.element = new api.Element( control.container.find( 'input' ) );
+ control.element.set( 'no-repeat' !== control.setting() );
+
+ control.element.bind( function( to ) {
+ control.setting.set( to ? 'repeat' : 'no-repeat' );
+ } );
+
+ control.setting.bind( function( to ) {
+ control.element.set( 'no-repeat' !== to );
+ } );
+ } );
+
+ api.control( 'background_attachment', function( control ) {
+ control.elements[0].unsync( api( 'background_attachment' ) );
+
+ control.element = new api.Element( control.container.find( 'input' ) );
+ control.element.set( 'fixed' !== control.setting() );
+
+ control.element.bind( function( to ) {
+ control.setting.set( to ? 'scroll' : 'fixed' );
+ } );
+
+ control.setting.bind( function( to ) {
+ control.element.set( 'fixed' !== to );
+ } );
+ } );
+
+ // Juggle the two controls that use header_textcolor
+ api.control( 'display_header_text', function( control ) {
+ var last = '';
+
+ control.elements[0].unsync( api( 'header_textcolor' ) );
+
+ control.element = new api.Element( control.container.find('input') );
+ control.element.set( 'blank' !== control.setting() );
+
+ control.element.bind( function( to ) {
+ if ( ! to ) {
+ last = api( 'header_textcolor' ).get();
+ }
+
+ control.setting.set( to ? last : 'blank' );
+ });
+
+ control.setting.bind( function( to ) {
+ control.element.set( 'blank' !== to );
+ });
+ });
+
+ // Add behaviors to the static front page controls.
+ api( 'show_on_front', 'page_on_front', 'page_for_posts', function( showOnFront, pageOnFront, pageForPosts ) {
+ var handleChange = function() {
+ var setting = this, pageOnFrontId, pageForPostsId, errorCode = 'show_on_front_page_collision';
+ pageOnFrontId = parseInt( pageOnFront(), 10 );
+ pageForPostsId = parseInt( pageForPosts(), 10 );
+
+ if ( 'page' === showOnFront() ) {
+
+ // Change previewed URL to the homepage when changing the page_on_front.
+ if ( setting === pageOnFront && pageOnFrontId > 0 ) {
+ api.previewer.previewUrl.set( api.settings.url.home );
+ }
+
+ // Change the previewed URL to the selected page when changing the page_for_posts.
+ if ( setting === pageForPosts && pageForPostsId > 0 ) {
+ api.previewer.previewUrl.set( api.settings.url.home + '?page_id=' + pageForPostsId );
+ }
+ }
+
+ // Toggle notification when the homepage and posts page are both set and the same.
+ if ( 'page' === showOnFront() && pageOnFrontId && pageForPostsId && pageOnFrontId === pageForPostsId ) {
+ showOnFront.notifications.add( new api.Notification( errorCode, {
+ type: 'error',
+ message: api.l10n.pageOnFrontError
+ } ) );
+ } else {
+ showOnFront.notifications.remove( errorCode );
+ }
+ };
+ showOnFront.bind( handleChange );
+ pageOnFront.bind( handleChange );
+ pageForPosts.bind( handleChange );
+ handleChange.call( showOnFront, showOnFront() ); // Make sure initial notification is added after loading existing changeset.
+
+ // Move notifications container to the bottom.
+ api.control( 'show_on_front', function( showOnFrontControl ) {
+ showOnFrontControl.deferred.embedded.done( function() {
+ showOnFrontControl.container.append( showOnFrontControl.getNotificationsContainerElement() );
+ });
+ });
+ });
+
+ // Add code editor for Custom CSS.
+ (function() {
+ var sectionReady = $.Deferred();
+
+ api.section( 'custom_css', function( section ) {
+ section.deferred.embedded.done( function() {
+ if ( section.expanded() ) {
+ sectionReady.resolve( section );
+ } else {
+ section.expanded.bind( function( isExpanded ) {
+ if ( isExpanded ) {
+ sectionReady.resolve( section );
+ }
+ } );
+ }
+ });
+ });
+
+ // Set up the section description behaviors.
+ sectionReady.done( function setupSectionDescription( section ) {
+ var control = api.control( 'custom_css' );
+
+ // Hide redundant label for visual users.
+ control.container.find( '.customize-control-title:first' ).addClass( 'screen-reader-text' );
+
+ // Close the section description when clicking the close button.
+ section.container.find( '.section-description-buttons .section-description-close' ).on( 'click', function() {
+ section.container.find( '.section-meta .customize-section-description:first' )
+ .removeClass( 'open' )
+ .slideUp();
+
+ section.container.find( '.customize-help-toggle' )
+ .attr( 'aria-expanded', 'false' )
+ .focus(); // Avoid focus loss.
+ });
+
+ // Reveal help text if setting is empty.
+ if ( control && ! control.setting.get() ) {
+ section.container.find( '.section-meta .customize-section-description:first' )
+ .addClass( 'open' )
+ .show()
+ .trigger( 'toggled' );
+
+ section.container.find( '.customize-help-toggle' ).attr( 'aria-expanded', 'true' );
+ }
+ });
+ })();
+
+ // Toggle visibility of Header Video notice when active state change.
+ api.control( 'header_video', function( headerVideoControl ) {
+ headerVideoControl.deferred.embedded.done( function() {
+ var toggleNotice = function() {
+ var section = api.section( headerVideoControl.section() ), noticeCode = 'video_header_not_available';
+ if ( ! section ) {
+ return;
+ }
+ if ( headerVideoControl.active.get() ) {
+ section.notifications.remove( noticeCode );
+ } else {
+ section.notifications.add( new api.Notification( noticeCode, {
+ type: 'info',
+ message: api.l10n.videoHeaderNotice
+ } ) );
+ }
+ };
+ toggleNotice();
+ headerVideoControl.active.bind( toggleNotice );
+ } );
+ } );
+
+ // Update the setting validities.
+ api.previewer.bind( 'selective-refresh-setting-validities', function handleSelectiveRefreshedSettingValidities( settingValidities ) {
+ api._handleSettingValidities( {
+ settingValidities: settingValidities,
+ focusInvalidControl: false
+ } );
+ } );
+
+ // Focus on the control that is associated with the given setting.
+ api.previewer.bind( 'focus-control-for-setting', function( settingId ) {
+ var matchedControls = [];
+ api.control.each( function( control ) {
+ var settingIds = _.pluck( control.settings, 'id' );
+ if ( -1 !== _.indexOf( settingIds, settingId ) ) {
+ matchedControls.push( control );
+ }
+ } );
+
+ // Focus on the matched control with the lowest priority (appearing higher).
+ if ( matchedControls.length ) {
+ matchedControls.sort( function( a, b ) {
+ return a.priority() - b.priority();
+ } );
+ matchedControls[0].focus();
+ }
+ } );
+
+ // Refresh the preview when it requests.
+ api.previewer.bind( 'refresh', function() {
+ api.previewer.refresh();
+ });
+
+ // Update the edit shortcut visibility state.
+ api.state( 'paneVisible' ).bind( function( isPaneVisible ) {
+ var isMobileScreen;
+ if ( window.matchMedia ) {
+ isMobileScreen = window.matchMedia( 'screen and ( max-width: 640px )' ).matches;
+ } else {
+ isMobileScreen = $( window ).width() <= 640;
+ }
+ api.state( 'editShortcutVisibility' ).set( isPaneVisible || isMobileScreen ? 'visible' : 'hidden' );
+ } );
+ if ( window.matchMedia ) {
+ window.matchMedia( 'screen and ( max-width: 640px )' ).addListener( function() {
+ var state = api.state( 'paneVisible' );
+ state.callbacks.fireWith( state, [ state.get(), state.get() ] );
+ } );
+ }
+ api.previewer.bind( 'edit-shortcut-visibility', function( visibility ) {
+ api.state( 'editShortcutVisibility' ).set( visibility );
+ } );
+ api.state( 'editShortcutVisibility' ).bind( function( visibility ) {
+ api.previewer.send( 'edit-shortcut-visibility', visibility );
+ } );
+
+ // Autosave changeset.
+ function startAutosaving() {
+ var timeoutId, updateChangesetWithReschedule, scheduleChangesetUpdate, updatePending = false;
+
+ api.unbind( 'change', startAutosaving ); // Ensure startAutosaving only fires once.
+
+ function onChangeSaved( isSaved ) {
+ if ( ! isSaved && ! api.settings.changeset.autosaved ) {
+ api.settings.changeset.autosaved = true; // Once a change is made then autosaving kicks in.
+ api.previewer.send( 'autosaving' );
+ }
+ }
+ api.state( 'saved' ).bind( onChangeSaved );
+ onChangeSaved( api.state( 'saved' ).get() );
+
+ /**
+ * Request changeset update and then re-schedule the next changeset update time.
+ *
+ * @since 4.7.0
+ * @private
+ */
+ updateChangesetWithReschedule = function() {
+ if ( ! updatePending ) {
+ updatePending = true;
+ api.requestChangesetUpdate( {}, { autosave: true } ).always( function() {
+ updatePending = false;
+ } );
+ }
+ scheduleChangesetUpdate();
+ };
+
+ /**
+ * Schedule changeset update.
+ *
+ * @since 4.7.0
+ * @private
+ */
+ scheduleChangesetUpdate = function() {
+ clearTimeout( timeoutId );
+ timeoutId = setTimeout( function() {
+ updateChangesetWithReschedule();
+ }, api.settings.timeouts.changesetAutoSave );
+ };
+
+ // Start auto-save interval for updating changeset.
+ scheduleChangesetUpdate();
+
+ // Save changeset when focus removed from window.
+ $( document ).on( 'visibilitychange.wp-customize-changeset-update', function() {
+ if ( document.hidden ) {
+ updateChangesetWithReschedule();
+ }
+ } );
+
+ // Save changeset before unloading window.
+ $( window ).on( 'beforeunload.wp-customize-changeset-update', function() {
+ updateChangesetWithReschedule();
+ } );
+ }
+ api.bind( 'change', startAutosaving );
+
+ // Make sure TinyMCE dialogs appear above Customizer UI.
+ $( document ).one( 'tinymce-editor-setup', function() {
+ if ( window.tinymce.ui.FloatPanel && ( ! window.tinymce.ui.FloatPanel.zIndex || window.tinymce.ui.FloatPanel.zIndex < 500001 ) ) {
+ window.tinymce.ui.FloatPanel.zIndex = 500001;
+ }
+ } );
+
+ body.addClass( 'ready' );
+ api.trigger( 'ready' );
+ });
+
+})( wp, jQuery );