X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/0f684a09c03e547d3132bddc970cbeafcd1102f4..0f74cdeda4c069bfbb9c4131ef1352f55b6f8499:/wp-admin/js/customize-controls.js diff --git a/wp-admin/js/customize-controls.js b/wp-admin/js/customize-controls.js index 4bfc252a..e6270ee0 100644 --- a/wp-admin/js/customize-controls.js +++ b/wp-admin/js/customize-controls.js @@ -1,87 +1,2172 @@ -/* globals _wpCustomizeHeader, _wpMediaViewsL10n */ +/* global _wpCustomizeHeader, _wpCustomizeBackground, _wpMediaViewsL10n, MediaElementPlayer */ (function( exports, $ ){ - var api = wp.customize; + var Container, focus, normalizedTransitionendEventName, api = wp.customize; /** - * @param options - * - previewer - The Previewer instance to sync with. - * - transport - The transport to use for previewing. Supports 'refresh' and 'postMessage'. + * 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. + * + * @class + * @augments wp.customize.Value + * @augments wp.customize.Class + * + * @param {object} id The Setting ID. + * @param {object} value The initial value of the setting. + * @param {object} options.previewer The Previewer instance to sync with. + * @param {object} options.transport The transport to use for previewing. Supports 'refresh' and 'postMessage'. + * @param {object} options.dirty */ api.Setting = api.Value.extend({ initialize: function( id, value, options ) { - api.Value.prototype.initialize.call( this, value, options ); + var setting = this; + api.Value.prototype.initialize.call( setting, value, options ); - this.id = id; - this.transport = this.transport || 'refresh'; + setting.id = id; + setting.transport = setting.transport || 'refresh'; + setting._dirty = options.dirty || false; + setting.notifications = new api.Values({ defaultConstructor: api.Notification }); - this.bind( this.preview ); + // 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() { - switch ( this.transport ) { - case 'refresh': - return this.previewer.refresh(); - case 'postMessage': - return this.previewer.send( 'setting', [ this.id, this() ] ); + 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. + * + * @since 4.7.0 + * @type {number} + * @protected + */ + api._latestRevision = 0; + + /** + * Last revision that was saved. + * + * @since 4.7.0 + * @type {number} + * @protected + */ + api._lastSavedRevision = 0; + + /** + * Latest revisions associated with the updated setting. + * + * @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. + * + * @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. + * + * @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. + * @returns {jQuery.Promise} Promise resolving with the response data. + */ + api.requestChangesetUpdate = function requestChangesetUpdate( changes ) { + var deferred, request, submittedChanges = {}, data; + deferred = new $.Deferred(); + + 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 } + ); + } + } ); + + // Short-circuit when there are no pending changes. + if ( _.isEmpty( submittedChanges ) ) { + deferred.resolve( {} ); + return deferred.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 ); + } ); + + // Allow plugins to attach additional params to the settings. + api.trigger( 'changeset-save', submittedChanges ); + + // 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 ) + } ); + + 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 ); + 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 + * + * @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. + * + * @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. + * + * @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. + * + * @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. + * + * @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; + }; + + /** + * Return browser supported `transitionend` event name. + * + * @since 4.7.0 + * + * @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; + } + })(); + + /** + * Base class for Panel and Section. + * + * @since 4.1.0 + * + * @class + * @augments wp.customize.Class + */ + Container = api.Class.extend({ + 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 + }, + + /** + * @since 4.1.0 + * + * @param {string} id - The ID for the container. + * @param {object} options - Object containing one property: params. + * @param {object} options.params - Object containing the following properties. + * @param {string} options.params.title - Title shown when panel is collapsed and expanded. + * @param {string=} [options.params.description] - Description shown at the top of the panel. + * @param {number=100} [options.params.priority] - The sort priority for the panel. + * @param {string=default} [options.params.type] - The type of the panel. See wp.customize.panelConstructor. + * @param {string=} [options.params.content] - The markup to be used for the panel container. If empty, a JS template is used. + * @param {boolean=true} [options.params.active] - Whether the panel is active or not. + */ + initialize: function ( id, options ) { + var container = this; + container.id = id; + options = options || {}; + + options.params = _.defaults( + options.params || {}, + container.defaults + ); + + $.extend( container, options ); + container.templateSelector = '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.attachEvents(); + }); + + api.utils.bubbleChildValueChanges( container, [ 'priority', 'active' ] ); + + container.priority.set( container.params.priority ); + container.active.set( container.params.active ); + container.expanded.set( false ); + }, + + /** + * @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 + * @param {Object} args + * @param {Object} args.duration + * @param {Object} args.completeCallback + */ + 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 ) ) { + // jQuery.fn.slideUp is not hiding an element if it is not in the DOM + headContainer.toggle( active ); + if ( args.completeCallback ) { + args.completeCallback(); + } + } else if ( active ) { + headContainer.stop( true, true ).slideDown( duration, args.completeCallback ); + } else { + if ( construct.expanded() ) { + construct.collapse({ + duration: duration, + completeCallback: function() { + headContainer.stop( true, true ).slideUp( duration, args.completeCallback ); + } + }); + } else { + headContainer.stop( true, true ).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; + + // Determine set of elements that are affected by the animation. + elements = overlay.add( content ); + if ( _.isUndefined( construct.panel ) || '' === construct.panel() ) { + 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 ); + } + } ); + }, + + /** + * Bring the container into view and then expand this and bring it into view + * @param {Object} [params] + */ + 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( container.params ) ); + } + + return '
  • '; + }, + + /** + * 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.Control = api.Class.extend({ - initialize: function( id, options ) { + /** + * @since 4.1.0 + * + * @class + * @augments wp.customize.Class + */ + api.Section = Container.extend({ + containerType: 'section', + defaults: { + title: '', + description: '', + priority: 100, + type: 'default', + content: null, + active: true, + instanceNumber: null, + panel: null, + customizeAction: '' + }, + + /** + * @since 4.1.0 + * + * @param {string} id - The ID for the section. + * @param {object} options - Object containing one property: params. + * @param {object} options.params - Object containing the following properties. + * @param {string} options.params.title - Title shown when section is collapsed and expanded. + * @param {string=} [options.params.description] - Description shown at the top of the section. + * @param {number=100} [options.params.priority] - The sort priority for the section. + * @param {string=default} [options.params.type] - The type of the section. See wp.customize.sectionConstructor. + * @param {string=} [options.params.content] - The markup to be used for the section container. If empty, a JS template is used. + * @param {boolean=true} [options.params.active] - Whether the section is active or not. + * @param {string} options.params.panel - The ID for the panel this section is associated with. + * @param {string=} [options.params.customizeAction] - Additional context information shown before the section title when expanded. + */ + initialize: function ( id, options ) { + var section = this; + Container.prototype.initialize.call( section, id, options ); + + 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, + container = $( '#customize-theme-controls' ); + + // 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 ) ) { + container.append( section.contentContainer ); + } + section.deferred.embedded.resolve(); + }); + } ); + } else { + // There is no panel, so embed the section in the root of the customizer + parentContainer = $( '.customize-pane-parent' ); // @todo This should be defined elsewhere, and to be configurable + if ( ! section.headContainer.parent().is( parentContainer ) ) { + parentContainer.append( section.headContainer ); + } + if ( ! section.contentContainer.parent().is( section.headContainer ) ) { + container.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(); + content.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; + + 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 { + api.panel.each( function( panel ) { + panel.collapse(); + }); + expand(); + } + + } else if ( ! expanded && content.hasClass( 'open' ) ) { + 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(); + } + } + } + }); + + /** + * wp.customize.ThemesSection + * + * Custom section for themes that functions similarly to a backwards panel, + * and also handles the theme-details view rendering and navigation. + * + * @constructor + * @augments wp.customize.Section + * @augments wp.customize.Container + */ + api.ThemesSection = api.Section.extend({ + currentTheme: '', + overlay: '', + template: '', + screenshotQueue: null, + $window: $( window ), + + /** + * @since 4.2.0 + */ + initialize: function () { + this.$customizeSidebar = $( '.wp-full-overlay-sidebar-content:first' ); + return api.Section.prototype.initialize.apply( this, arguments ); + }, + + /** + * @since 4.2.0 + */ + 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 ) { + section.closeDetails(); + event.stopPropagation(); // Prevent section from being collapsed. + } + }); + + _.bindAll( this, 'renderScreenshots' ); + }, + + /** + * Override Section.isContextuallyActive method. + * + * Ignore the active states' of the contained theme controls, and just + * use the section's own active state instead. This ensures empty search + * results for themes to cause the section to become inactive. + * + * @since 4.2.0 + * + * @returns {Boolean} + */ + isContextuallyActive: function () { + return this.active(); + }, + + /** + * @since 4.2.0 + */ + attachEvents: function () { + var section = this; + + // Expand/Collapse section/panel. + section.container.find( '.change-theme, .customize-theme' ).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(); + } + }); + + // Theme navigation in details view. + section.container.on( 'click keydown', '.left', function( event ) { + if ( api.utils.isKeydownButNotEnterEvent( event ) ) { + return; + } + + event.preventDefault(); // Keep this AFTER the key filter above + + section.previousTheme(); + }); + + section.container.on( 'click keydown', '.right', function( event ) { + if ( api.utils.isKeydownButNotEnterEvent( event ) ) { + return; + } + + event.preventDefault(); // Keep this AFTER the key filter above + + section.nextTheme(); + }); + + section.container.on( 'click keydown', '.theme-backdrop, .close', function( event ) { + if ( api.utils.isKeydownButNotEnterEvent( event ) ) { + return; + } + + event.preventDefault(); // Keep this AFTER the key filter above + + section.closeDetails(); + }); + + var renderScreenshots = _.throttle( _.bind( section.renderScreenshots, this ), 100 ); + section.container.on( 'input', '#themes-filter', function( event ) { + var count, + term = event.currentTarget.value.toLowerCase().trim().replace( '-', ' ' ), + controls = section.controls(); + + _.each( controls, function( control ) { + control.filter( term ); + }); + + renderScreenshots(); + + // Update theme count. + count = section.container.find( 'li.customize-control:visible' ).length; + section.container.find( '.theme-count' ).text( count ); + }); + + // Pre-load the first 3 theme screenshots. + api.bind( 'ready', function () { + _.each( section.controls().slice( 0, 3 ), function ( control ) { + var img, src = control.params.theme.screenshot[0]; + if ( src ) { + img = new Image(); + img.src = src; + } + }); + }); + }, + + /** + * Update UI to reflect expanded state + * + * @since 4.2.0 + * + * @param {Boolean} expanded + * @param {Object} args + * @param {Boolean} args.unchanged + * @param {Callback} args.completeCallback + */ + 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, + section = panel.contentContainer, + overlay = section.closest( '.wp-full-overlay' ), + container = section.closest( '.wp-full-overlay-sidebar-content' ), + customizeBtn = section.find( '.customize-theme' ), + changeBtn = panel.headContainer.find( '.change-theme' ); + + if ( expanded && ! section.hasClass( 'current-panel' ) ) { + // Collapse any sibling sections/panels + api.section.each( function ( otherSection ) { + if ( otherSection !== panel ) { + otherSection.collapse( { duration: args.duration } ); + } + }); + api.panel.each( function ( otherPanel ) { + otherPanel.collapse( { duration: 0 } ); + }); + + panel._animateChangeExpanded( function() { + changeBtn.attr( 'tabindex', '-1' ); + customizeBtn.attr( 'tabindex', '0' ); + + customizeBtn.focus(); + section.css( 'top', '' ); + container.scrollTop( 0 ); + + if ( args.completeCallback ) { + args.completeCallback(); + } + } ); + + overlay.addClass( 'in-themes-panel' ); + section.addClass( 'current-panel' ); + _.delay( panel.renderScreenshots, 10 ); // Wait for the controls + panel.$customizeSidebar.on( 'scroll.customize-themes-section', _.throttle( panel.renderScreenshots, 300 ) ); + + } else if ( ! expanded && section.hasClass( 'current-panel' ) ) { + panel._animateChangeExpanded( function() { + changeBtn.attr( 'tabindex', '0' ); + customizeBtn.attr( 'tabindex', '-1' ); + + changeBtn.focus(); + section.css( 'top', '' ); + + if ( args.completeCallback ) { + args.completeCallback(); + } + } ); + + overlay.removeClass( 'in-themes-panel' ); + section.removeClass( 'current-panel' ); + panel.$customizeSidebar.off( 'scroll.customize-themes-section' ); + } + }, + + /** + * Render control's screenshot if the control comes into view. + * + * @since 4.2.0 + */ + renderScreenshots: function( ) { + var section = this; + + // Fill queue initially. + if ( section.screenshotQueue === null ) { + section.screenshotQueue = section.controls(); + } + + // Are all screenshots rendered? + 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; + } ); + }, + + /** + * Advance the modal to the next theme. + * + * @since 4.2.0 + */ + 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 + */ + getNextTheme: function () { + var control, next; + control = api.control( 'theme_' + this.currentTheme ); + next = control.container.next( 'li.customize-control-theme' ); + if ( ! next.length ) { + return false; + } + next = next[0].id.replace( 'customize-control-', '' ); + control = api.control( next ); + + return control.params.theme; + }, + + /** + * Advance the modal to the previous theme. + * + * @since 4.2.0 + */ + 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 + */ + getPreviousTheme: function () { + var control, previous; + control = api.control( 'theme_' + this.currentTheme ); + previous = control.container.prev( 'li.customize-control-theme' ); + if ( ! previous.length ) { + return false; + } + previous = previous[0].id.replace( 'customize-control-', '' ); + control = api.control( previous ); + + return control.params.theme; + }, + + /** + * Disable buttons when we're viewing the first or last theme. + * + * @since 4.2.0 + */ + 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 + * + * @param {string} themeId Theme ID. + * @returns {jQuery.promise} Promise. + */ + loadThemePreview: function( themeId ) { + var deferred = $.Deferred(), onceProcessingComplete, overlay, urlParser; + + urlParser = document.createElement( 'a' ); + urlParser.href = location.href; + urlParser.search = $.param( _.extend( + api.utils.parseQueryString( urlParser.search.substr( 1 ) ), + { + theme: themeId, + changeset_uuid: api.settings.changeset.uuid + } + ) ); + + overlay = $( '.wp-full-overlay' ); + overlay.addClass( 'customize-loading' ); + + onceProcessingComplete = function() { + var request; + if ( api.state( 'processing' ).get() > 0 ) { + return; + } + + api.state( 'processing' ).unbind( onceProcessingComplete ); + + request = api.requestChangesetUpdate(); + request.done( function() { + $( window ).off( 'beforeunload.customize-confirm' ); + top.location.href = urlParser.href; + deferred.resolve(); + } ); + request.fail( function() { + overlay.removeClass( 'customize-loading' ); + deferred.reject(); + } ); + }; + + if ( 0 === api.state( 'processing' ).get() ) { + onceProcessingComplete(); + } else { + api.state( 'processing' ).bind( onceProcessingComplete ); + } + + return deferred.promise(); + }, + + /** + * Render & show the theme details for a given theme model. + * + * @since 4.2.0 + * + * @param {Object} theme + */ + showDetails: function ( theme, callback ) { + var section = this, link; + callback = callback || function(){}; + section.currentTheme = theme.id; + section.overlay.html( section.template( theme ) ) + .fadeIn( 'fast' ) + .focus(); + $( 'body' ).addClass( 'modal-open' ); + section.containFocus( section.overlay ); + section.updateLimits(); + + link = section.overlay.find( '.inactive-theme > a' ); + + link.on( 'click', function( event ) { + event.preventDefault(); + + // Short-circuit if request is currently being made. + if ( link.hasClass( 'disabled' ) ) { + return; + } + link.addClass( 'disabled' ); + + section.loadThemePreview( theme.id ).fail( function() { + link.removeClass( 'disabled' ); + } ); + } ); + callback(); + }, + + /** + * Close the theme details modal. + * + * @since 4.2.0 + */ + closeDetails: function () { + $( 'body' ).removeClass( 'modal-open' ); + this.overlay.fadeOut( 'fast' ); + api.control( 'theme_' + this.currentTheme ).focus(); + }, + + /** + * Keep tab focus within the theme details modal. + * + * @since 4.2.0 + */ + 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; + } + }); + } + }); + + /** + * @since 4.1.0 + * + * @class + * @augments wp.customize.Class + */ + api.Panel = Container.extend({ + containerType: 'panel', + + /** + * @since 4.1.0 + * + * @param {string} id - The ID for the panel. + * @param {object} options - Object containing one property: params. + * @param {object} options.params - Object containing the following properties. + * @param {string} options.params.title - Title shown when panel is collapsed and expanded. + * @param {string=} [options.params.description] - Description shown at the top of the panel. + * @param {number=100} [options.params.priority] - The sort priority for the panel. + * @param {string=default} [options.params.type] - The type of the panel. See wp.customize.panelConstructor. + * @param {string=} [options.params.content] - The markup to be used for the panel container. If empty, a JS template is used. + * @param {boolean=true} [options.params.active] - Whether the panel is active or not. + */ + initialize: function ( id, options ) { + var panel = this; + Container.prototype.initialize.call( panel, id, options ); + 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 keydown', function( event ) { + if ( api.utils.isKeydownButNotEnterEvent( event ) ) { + return; + } + event.preventDefault(); // Keep this AFTER the key filter above + + 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 ); + $( this ).attr( 'aria-expanded', false ); + } else { + content.slideDown( panel.defaultExpandedArguments.duration ); + 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} + */ + 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 + */ + 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' ); + + 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 } ); + } + }); + + panel._animateChangeExpanded( function() { + topPanel.attr( 'tabindex', '-1' ); + backBtn.attr( 'tabindex', '0' ); + + backBtn.focus(); + accordionSection.css( 'top', '' ); + container.scrollTop( 0 ); + + if ( args.completeCallback ) { + args.completeCallback(); + } + } ); + + overlay.addClass( 'in-sub-panel' ); + accordionSection.addClass( 'current-panel' ); + api.state( 'expandedPanel' ).set( panel ); + + } else if ( ! expanded && accordionSection.hasClass( 'current-panel' ) ) { + panel._animateChangeExpanded( function() { + topPanel.attr( 'tabindex', '0' ); + backBtn.attr( 'tabindex', '-1' ); + + topPanel.focus(); + accordionSection.css( 'top', '' ); + + if ( args.completeCallback ) { + args.completeCallback(); + } + } ); + + 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( panel.params ) ); + } + } + }); + + /** + * A Customizer Control. + * + * A control provides a UI element that allows a user to modify a Customizer Setting. + * + * @see PHP class WP_Customize_Control. + * + * @class + * @augments wp.customize.Class + * + * @param {string} id Unique identifier for the control instance. + * @param {object} options Options hash for the control instance. + * @param {object} options.params + * @param {object} options.params.type Type of control (e.g. text, radio, dropdown-pages, etc.) + * @param {string} options.params.content The HTML content for the control. + * @param {string} options.params.priority Order of priority to show the control within the section. + * @param {string} options.params.active + * @param {string} options.params.section The ID of the section the control belongs to. + * @param {string} options.params.settings.default The ID of the setting the control relates to. + * @param {string} options.params.settings.data + * @param {string} options.params.label + * @param {string} options.params.description + * @param {string} options.params.instanceNumber Order in which this instance was created in relation to other instances. + */ + api.Control = api.Class.extend({ + defaultActiveArguments: { duration: 'fast', completeCallback: $.noop }, + + initialize: function( id, options ) { + var control = this, + nodes, radios, settings; + + control.params = {}; + $.extend( control, options || {} ); + control.id = id; + control.selector = '#customize-control-' + id.replace( /\]/g, '' ).replace( /\[/g, '-' ); + control.templateSelector = 'customize-control-' + control.params.type + '-content'; + control.container = control.params.content ? $( control.params.content ) : $( control.selector ); + + 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.Values({ defaultConstructor: api.Notification }); + + control.elements = []; + + nodes = control.container.find('[data-customize-setting-link]'); + radios = {}; + + nodes.each( function() { + var node = $( this ), + name; + + if ( node.is( ':radio' ) ) { + name = node.prop( 'name' ); + if ( radios[ name ] ) { + return; + } + + radios[ name ] = true; + node = nodes.filter( '[name="' + name + '"]' ); + } + + api( node.data( 'customizeSettingLink' ), function( setting ) { + var element = new api.Element( node ); + control.elements.push( element ); + element.sync( setting ); + element.set( setting() ); + }); + }); + + 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' ] ); + + /* + * After all settings related to the control are available, + * make them available on the control and embed the control into the page. + */ + settings = $.map( control.params.settings, function( value ) { + return value; + }); + + if ( 0 === settings.length ) { + control.setting = null; + control.settings = {}; + control.embed(); + } else { + api.apply( api, settings.concat( function() { + var key; + + control.settings = {}; + for ( key in control.params.settings ) { + control.settings[ key ] = api( control.params.settings[ key ] ); + } + + control.setting = control.settings['default'] || null; + + // Add setting notifications to the control notification. + _.each( control.settings, function( setting ) { + setting.notifications.bind( 'add', function( settingNotification ) { + var controlNotification, code, params; + code = setting.id + ':' + settingNotification.code; + params = _.extend( + {}, + settingNotification, + { + setting: setting.id + } + ); + controlNotification = new api.Notification( code, params ); + control.notifications.add( controlNotification.code, controlNotification ); + } ); + setting.notifications.bind( 'remove', function( settingNotification ) { + control.notifications.remove( setting.id + ':' + settingNotification.code ); + } ); + } ); + + control.embed(); + }) ); + } + + // After the control is embedded on the page, invoke the "ready" method. + control.deferred.embedded.done( function () { + /* + * Note that this debounced/deferred rendering is needed for two reasons: + * 1) The 'remove' event is triggered just _before_ the notification is actually removed. + * 2) Improve performance when adding/removing multiple notifications at a time. + */ + var debouncedRenderNotifications = _.debounce( function renderNotifications() { + control.renderNotifications(); + } ); + control.notifications.bind( 'add', function( notification ) { + wp.a11y.speak( notification.message, 'assertive' ); + debouncedRenderNotifications(); + } ); + control.notifications.bind( 'remove', debouncedRenderNotifications ); + control.renderNotifications(); + + control.ready(); + }); + }, + + /** + * Embed the control into the page. + */ + embed: function () { var control = this, - nodes, radios, settings; + inject; - this.params = {}; - $.extend( this, options || {} ); + // 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() ); + }, - this.id = id; - this.selector = '#customize-control-' + id.replace( /\]/g, '' ).replace( /\[/g, '-' ); - this.container = $( this.selector ); + /** + * 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( 'keyup', '.create-item-input', function( e ) { + if ( 13 === e.which ) { // Enter + control.addNewPage(); + } + }); + } + }, - settings = $.map( this.params.settings, function( value ) { - return value; - }); + /** + * 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. + * @this {wp.customize.Control} + */ + getNotificationsContainerElement: function() { + var control = this, controlTitle, notificationsContainer; - api.apply( api, settings.concat( function() { - var key; + notificationsContainer = control.container.find( '.customize-control-notifications-container:first' ); + if ( notificationsContainer.length ) { + return notificationsContainer; + } - control.settings = {}; - for ( key in control.params.settings ) { - control.settings[ key ] = api( control.params.settings[ key ] ); + notificationsContainer = $( '
    ' ); + + 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; + }, - control.setting = control.settings['default'] || null; - control.ready(); - }) ); + /** + * 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. + * + * @since 4.6.0 + * @this {wp.customize.Control} + */ + renderNotifications: function() { + var control = this, container, notifications, hasError = false; + container = control.getNotificationsContainerElement(); + if ( ! container || ! container.length ) { + return; + } + notifications = []; + control.notifications.each( function( notification ) { + notifications.push( notification ); + if ( 'error' === notification.type ) { + hasError = true; + } + } ); - control.elements = []; + if ( 0 === notifications.length ) { + container.stop().slideUp( 'fast' ); + } else { + container.stop().slideDown( 'fast', null, function() { + $( this ).css( 'height', 'auto' ); + } ); + } - nodes = this.container.find('[data-customize-setting-link]'); - radios = {}; + if ( ! control.notificationsTemplate ) { + control.notificationsTemplate = wp.template( 'customize-control-notifications' ); + } - nodes.each( function() { - var node = $(this), - name; + 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 ) } ) + ) ); + }, - if ( node.is(':radio') ) { - name = node.prop('name'); - if ( radios[ name ] ) - return; + /** + * Normal controls do not expand, so just expand its parent + * + * @param {Object} [params] + */ + expand: function ( params ) { + api.section( this.section() ).expand( params ); + }, - radios[ name ] = true; - node = nodes.filter( '[name="' + name + '"]' ); + /** + * Bring the containing section and panel into view and then + * this control into view, focusing on the first input. + */ + 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 {Callback} args.completeCallback + */ + onChangeActive: function ( active, args ) { + if ( args.unchanged ) { + if ( args.completeCallback ) { + args.completeCallback(); } + return; + } - api( node.data('customizeSettingLink'), function( setting ) { - var element = new api.Element( node ); - control.elements.push( element ); - element.sync( setting ); - element.set( setting() ); - }); - }); + 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 ); + } }, - ready: function() {}, + /** + * @deprecated 4.1.0 Use this.onChangeActive() instead. + */ + toggle: function ( active ) { + return this.onChangeActive( active, this.defaultActiveArguments ); + }, + + /** + * Shorthand way to enable the active state. + * + * @since 4.1.0 + * + * @param {Object} [params] + * @returns {Boolean} false if already active + */ + activate: Container.prototype.activate, + + /** + * Shorthand way to disable the active state. + * + * @since 4.1.0 + * + * @param {Object} [params] + * @returns {Boolean} false if already inactive + */ + deactivate: Container.prototype.deactivate, + + /** + * Re-use _toggleActive from Container class. + * + * @access private + */ + _toggleActive: Container.prototype._toggleActive, dropdownInit: function() { var control = this, @@ -97,247 +2182,901 @@ // Support the .dropdown class to open/close complex elements this.container.on( 'click keydown', '.dropdown', function( event ) { - if ( event.type === 'keydown' && 13 !== event.which ) // enter + 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(); + 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 template, + control = this; + + // Replace the container element's content with the control. + if ( 0 !== $( '#tmpl-' + control.templateSelector ).length ) { + template = wp.template( control.templateSelector ); + if ( template && control.container ) { + control.container.html( template( control.params ) ); + } + } + }, + + /** + * 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': 'page', + 'type_label': api.Menus.data.l10n.page_label, + 'object': 'post_type', + '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 + * @augments wp.customize.Control + * @augments wp.customize.Class + */ + api.ColorControl = api.Control.extend({ + 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 + * @augments wp.customize.Control + * @augments wp.customize.Class + */ + api.MediaControl = api.Control.extend({ + + /** + * 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 + * @augments wp.customize.MediaControl + * @augments wp.customize.Control + * @augments wp.customize.Class + */ + api.UploadControl = api.MediaControl.extend({ + + /** + * 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(); + } + }, - // Don't want to fire focus and click at same time - toggleFreeze = true; - setTimeout(function () { - toggleFreeze = false; - }, 400); - }); + // @deprecated + success: function() {}, - this.setting.bind( update ); - update( this.setting() ); - } + // @deprecated + removerVisibility: function() {} }); - api.ColorControl = api.Control.extend({ + /** + * A control for uploading images. + * + * This control no longer needs to do anything more + * than what the upload control does in JS. + * + * @class + * @augments wp.customize.UploadControl + * @augments wp.customize.MediaControl + * @augments wp.customize.Control + * @augments wp.customize.Class + */ + api.ImageControl = api.UploadControl.extend({ + // @deprecated + thumbnailSrc: function() {} + }); + + /** + * A control for uploading background images. + * + * @class + * @augments wp.customize.UploadControl + * @augments wp.customize.MediaControl + * @augments wp.customize.Control + * @augments wp.customize.Class + */ + api.BackgroundControl = api.UploadControl.extend({ + + /** + * When the control's DOM structure is ready, + * set up internal event bindings. + */ ready: function() { - var control = this, - picker = this.container.find('.color-picker-hex'); + api.UploadControl.prototype.ready.apply( this, arguments ); + }, - picker.val( control.setting() ).wpColorPicker({ - change: function() { - control.setting.set( picker.wpColorPicker('color') ); - }, - clear: function() { - control.setting.set( false ); - } - }); + /** + * 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 + } ); } }); - api.UploadControl = api.Control.extend({ + /** + * A control for positioning a background image. + * + * @since 4.7.0 + * + * @class + * @augments wp.customize.Control + * @augments wp.customize.Class + */ + api.BackgroundPositionControl = api.Control.extend( { + + /** + * Set up control UI once embedded in DOM and settings are created. + * + * @since 4.7.0 + * @access public + */ ready: function() { - var control = this; + var control = this, updateRadios; - this.params.removed = this.params.removed || ''; + 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 ); - this.success = $.proxy( this.success, this ); + updateRadios(); // Set initial UI. + } + } ); - this.uploader = $.extend({ - container: this.container, - browser: this.container.find('.upload'), - dropzone: this.container.find('.upload-dropzone'), - success: this.success, - plupload: {}, - params: {} - }, this.uploader || {} ); + /** + * A control for selecting and cropping an image. + * + * @class + * @augments wp.customize.MediaControl + * @augments wp.customize.Control + * @augments wp.customize.Class + */ + api.CroppedImageControl = api.MediaControl.extend({ - if ( control.params.extensions ) { - control.uploader.plupload.filters = [{ - title: api.l10n.allowedFiles, - extensions: control.params.extensions - }]; + /** + * Open the media modal to the library state. + */ + openFrame: function( event ) { + if ( api.utils.isKeydownButNotEnterEvent( event ) ) { + return; } - if ( control.params.context ) - control.uploader.params['post_data[context]'] = this.params.context; + this.initFrame(); + this.frame.setState( 'library' ).open(); + }, - if ( api.settings.theme.stylesheet ) - control.uploader.params['post_data[theme]'] = api.settings.theme.stylesheet; + /** + * Create a media modal select frame, and store it so the instance can be reused when needed. + */ + initFrame: function() { + var l10n = _wpMediaViewsL10n; - this.uploader = new wp.Uploader( this.uploader ); + 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.remover = this.container.find('.remove'); - this.remover.on( 'click keydown', function( event ) { - if ( event.type === 'keydown' && 13 !== event.which ) // enter - return; + this.frame.on( 'select', this.onSelect, this ); + this.frame.on( 'cropped', this.onCropped, this ); + this.frame.on( 'skippedcrop', this.onSkippedCrop, this ); + }, - control.setting.set( control.params.removed ); - event.preventDefault(); - }); + /** + * 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(); - this.removerVisibility = $.proxy( this.removerVisibility, this ); - this.setting.bind( this.removerVisibility ); - this.removerVisibility( this.setting.get() ); + 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' ); + } }, - success: function( attachment ) { - this.setting.set( attachment.get('url') ); + + /** + * 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 ); }, - removerVisibility: function( to ) { - this.remover.toggle( to != this.params.removed ); - } - }); - api.ImageControl = api.UploadControl.extend({ - ready: function() { - var control = this, - panels; + /** + * 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; + } - this.uploader = { - init: function() { - var fallback, button; + x1 = ( realWidth - xInit ) / 2; + y1 = ( realHeight - yInit ) / 2; - if ( this.supports.dragdrop ) - return; + 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 + }; - // Maintain references while wrapping the fallback button. - fallback = control.container.find( '.upload-fallback' ); - button = fallback.children().detach(); + if ( flexHeight === false && flexWidth === false ) { + imgSelectOptions.aspectRatio = xInit + ':' + yInit; + } - this.browser.detach().empty().append( button ); - fallback.append( this.browser ).show(); - } - }; + if ( true === flexHeight ) { + delete imgSelectOptions.minHeight; + imgSelectOptions.maxWidth = realWidth; + } - api.UploadControl.prototype.ready.call( this ); + if ( true === flexWidth ) { + delete imgSelectOptions.minWidth; + imgSelectOptions.maxHeight = realHeight; + } - this.thumbnail = this.container.find('.preview-thumbnail img'); - this.thumbnailSrc = $.proxy( this.thumbnailSrc, this ); - this.setting.bind( this.thumbnailSrc ); + return imgSelectOptions; + }, - this.library = this.container.find('.library'); + /** + * 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; + } - // Generate tab objects - this.tabs = {}; - panels = this.library.find('.library-content'); + if ( true === flexW && dstH === imgH ) { + return false; + } - this.library.children('ul').children('li').each( function() { - var link = $(this), - id = link.data('customizeTab'), - panel = panels.filter('[data-customize-tab="' + id + '"]'); + if ( true === flexH && dstW === imgW ) { + return false; + } - control.tabs[ id ] = { - both: link.add( panel ), - link: link, - panel: panel - }; - }); + if ( dstW === imgW && dstH === imgH ) { + return false; + } - // Bind tab switch events - this.library.children('ul').on( 'click keydown', 'li', function( event ) { - if ( event.type === 'keydown' && 13 !== event.which ) // enter - return; + if ( imgW <= dstW ) { + return false; + } - var id = $(this).data('customizeTab'), - tab = control.tabs[ id ]; + return true; + }, - event.preventDefault(); + /** + * 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 ); + }, - if ( tab.link.hasClass('library-selected') ) - return; + /** + * Updates the setting and re-renders the control UI. + * + * @param {object} attachment + */ + setImageFromAttachment: function( attachment ) { + this.params.attachment = attachment; - control.selected.both.removeClass('library-selected'); - control.selected = tab; - control.selected.both.addClass('library-selected'); - }); + // Set the Customizer setting; the callback takes care of rendering. + this.setting( attachment.id ); + } + }); - // Bind events to switch image urls. - this.library.on( 'click keydown', 'a', function( event ) { - if ( event.type === 'keydown' && 13 !== event.which ) // enter - return; + /** + * A control for selecting and cropping Site Icons. + * + * @class + * @augments wp.customize.CroppedImageControl + * @augments wp.customize.MediaControl + * @augments wp.customize.Control + * @augments wp.customize.Class + */ + api.SiteIconControl = api.CroppedImageControl.extend({ - var value = $(this).data('customizeImageValue'); + /** + * Create a media modal select frame, and store it so the instance can be reused when needed. + */ + initFrame: function() { + var l10n = _wpMediaViewsL10n; - if ( value ) { - control.setting.set( value ); - event.preventDefault(); - } + 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 + }) + ] }); - if ( this.tabs.uploaded ) { - this.tabs.uploaded.target = this.library.find('.uploaded-target'); - if ( ! this.tabs.uploaded.panel.find('.thumbnail').length ) - this.tabs.uploaded.both.addClass('hidden'); + 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' ); } + }, - // Select a tab - panels.each( function() { - var tab = control.tabs[ $(this).data('customizeTab') ]; + /** + * Updates the setting and re-renders the control UI. + * + * @param {object} attachment + */ + setImageFromAttachment: function( attachment ) { + var sizes = [ 'site_icon-32', 'thumbnail', 'full' ], link, + icon; - // Select the first visible tab. - if ( ! tab.link.hasClass('hidden') ) { - control.selected = tab; - tab.both.addClass('library-selected'); - return false; + _.each( sizes, function( size ) { + if ( ! icon && ! _.isUndefined ( attachment.sizes[ size ] ) ) { + icon = attachment.sizes[ size ]; } - }); + } ); - this.dropdownInit(); - }, - success: function( attachment ) { - api.UploadControl.prototype.success.call( this, attachment ); + this.params.attachment = attachment; - // Add the uploaded image to the uploaded tab. - if ( this.tabs.uploaded && this.tabs.uploaded.target.length ) { - this.tabs.uploaded.both.removeClass('hidden'); + // Set the Customizer setting; the callback takes care of rendering. + this.setting( attachment.id ); - // @todo: Do NOT store this on the attachment model. That is bad. - attachment.element = $( '' ) - .data( 'customizeImageValue', attachment.get('url') ) - .append( '' ) - .appendTo( this.tabs.uploaded.target ); + if ( ! icon ) { + return; } + + // Update the icon in-browser. + link = $( 'link[rel="icon"][sizes="32x32"]' ); + link.attr( 'href', icon.url ); }, - thumbnailSrc: function( to ) { - if ( /^(https?:)?\/\//.test( to ) ) - this.thumbnail.prop( 'src', to ).show(); - else - this.thumbnail.hide(); + + /** + * 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 + * @augments wp.customize.Control + * @augments wp.customize.Class + */ api.HeaderControl = api.Control.extend({ ready: function() { - this.btnRemove = $('#customize-control-header_image .actions .remove'); - this.btnNew = $('#customize-control-header_image .actions .new'); + 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 = new api.HeaderTool.ImageModel(); + api.HeaderTool.currentHeader = this.getInitialHeaderImage(); new api.HeaderTool.CurrentView({ model: api.HeaderTool.currentHeader, - el: '.current .container' + el: '#customize-control-header_image .current .container' }); new api.HeaderTool.ChoiceListView({ collection: api.HeaderTool.UploadsList = new api.HeaderTool.ChoiceList(), - el: '.choices .uploaded .list' + el: '#customize-control-header_image .choices .uploaded .list' }); new api.HeaderTool.ChoiceListView({ collection: api.HeaderTool.DefaultsList = new api.HeaderTool.DefaultsList(), - el: '.choices .default .list' + 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() + }); }, /** @@ -433,6 +3172,7 @@ title: l10n.chooseImage, library: wp.media.query({ type: 'image' }), multiple: false, + date: false, priority: 20, suggestedWidth: _wpCustomizeHeader.data.width, suggestedHeight: _wpCustomizeHeader.data.height @@ -450,16 +3190,32 @@ 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.post_content, + 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'), @@ -507,33 +3263,159 @@ }, /** - * Triggers the necessary events to deselect an image which was set as - * the currently selected one. + * 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 + * + * @constructor + * @augments wp.customize.Control + * @augments wp.customize.Class + */ + api.ThemeControl = api.Control.extend({ + + touchDrag: false, + isRendered: false, + + /** + * Defer rendering the theme control until the section is displayed. + * + * @since 4.2.0 + */ + renderContent: function () { + var control = this, + renderContentArgs = arguments; + + api.section( control.section(), function( section ) { + if ( section.expanded() ) { + api.Control.prototype.renderContent.apply( control, renderContentArgs ); + control.isRendered = true; + } else { + section.expanded.bind( function( expanded ) { + if ( expanded && ! control.isRendered ) { + api.Control.prototype.renderContent.apply( control, renderContentArgs ); + control.isRendered = true; + } + } ); + } + } ); + }, + + /** + * @since 4.2.0 + */ + ready: function() { + var control = this; + + control.container.on( 'touchmove', '.theme', function() { + control.touchDrag = true; + }); + + // Bind details view trigger. + control.container.on( 'click keydown touchend', '.theme', function( event ) { + 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' ) ) { + return; + } + + api.section( control.section() ).loadThemePreview( control.params.theme.id ); + }); + + control.container.on( 'click keydown', '.theme-actions .theme-details', function( event ) { + if ( api.utils.isKeydownButNotEnterEvent( event ) ) { + return; + } + + event.preventDefault(); // Keep this AFTER the key filter above + + api.section( control.section() ).showDetails( control.params.theme ); + }); + + control.container.on( 'render-screenshot', function() { + var $screenshot = $( this ).find( 'img' ), + source = $screenshot.data( 'src' ); + + if ( source ) { + $screenshot.attr( 'src', source ); + } + }); + }, + + /** + * Show or hide the theme based on the presence of the term in the title, description, and author. + * + * @since 4.2.0 */ - removeImage: function() { - api.HeaderTool.currentHeader.trigger('hide'); - api.HeaderTool.CombinedList.trigger('control:removeImage'); + filter: function( term ) { + var control = this, + haystack = control.params.theme.name + ' ' + + control.params.theme.description + ' ' + + control.params.theme.tags + ' ' + + control.params.theme.author; + haystack = haystack.toLowerCase().replace( '-', ' ' ); + if ( -1 !== haystack.search( term ) ) { + control.activate(); + } else { + control.deactivate(); + } } - }); // Change objects contained within the main customize object to Settings. api.defaultConstructor = api.Setting; - // Create the collection of Control objects. + // Create the collections for Controls, Sections and Panels. api.control = new api.Values({ defaultConstructor: api.Control }); + api.section = new api.Values({ defaultConstructor: api.Section }); + api.panel = new api.Values({ defaultConstructor: api.Panel }); + /** + * An object that fetches a preview in the background of the document, which + * allows for seamless replacement of an existing preview. + * + * @class + * @augments wp.customize.Messenger + * @augments wp.customize.Class + * @mixes wp.customize.Events + */ api.PreviewFrame = api.Messenger.extend({ - sensitivity: 2000, + sensitivity: null, // Will get set to api.settings.timeouts.previewFrameSensitivity. + /** + * Initialize the PreviewFrame. + * + * @param {object} params.container + * @param {object} params.previewUrl + * @param {object} params.query + * @param {object} options + */ initialize: function( params, options ) { var deferred = $.Deferred(); - // This is the promise object. + /* + * Make the instance of the PreviewFrame the promise object + * so other objects can easily interact with it. + */ deferred.promise( this ); this.container = params.container; - this.signature = params.signature; $.extend( params, { channel: api.PreviewFrame.uuid() }); @@ -546,91 +3428,125 @@ this.run( deferred ); }, + /** + * Run the preview request. + * + * @param {object} deferred jQuery Deferred object to be resolved with + * the request. + */ run: function( deferred ) { - var self = this, + var previewFrame = this, loaded = false, - ready = false; - - if ( this._ready ) - this.unbind( 'ready', this._ready ); + ready = false, + readyData = null, + hasPendingChangesetUpdate = '{}' !== previewFrame.query.customized, + urlParser, + params, + form; + + if ( previewFrame._ready ) { + previewFrame.unbind( 'ready', previewFrame._ready ); + } - this._ready = function() { + previewFrame._ready = function( data ) { ready = true; + readyData = data; + previewFrame.container.addClass( 'iframe-ready' ); + if ( ! data ) { + return; + } - if ( loaded ) - deferred.resolveWith( self ); + if ( loaded ) { + deferred.resolveWith( previewFrame, [ data ] ); + } }; - this.bind( 'ready', this._ready ); + previewFrame.bind( 'ready', previewFrame._ready ); - this.request = $.ajax( this.previewUrl(), { - type: 'POST', - data: this.query, - xhrFields: { - withCredentials: true + 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 } + ); + + urlParser.search = $.param( params ); + previewFrame.iframe = $( '