/* global _wpCustomizeHeader, _wpCustomizeBackground, _wpMediaViewsL10n, MediaElementPlayer */
(function( exports, $ ){
var Container, focus, normalizedTransitionendEventName, api = wp.customize;
/**
* 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 );
this.id = id;
this.transport = this.transport || 'refresh';
this._dirty = options.dirty || false;
this.notifications = new api.Values({ defaultConstructor: api.Notification });
// Whenever the setting's value changes, refresh the preview.
this.bind( this.preview );
},
/**
* Refresh the preview, respective of the setting's refresh policy.
*/
preview: function() {
switch ( this.transport ) {
case 'refresh':
return this.previewer.refresh();
case 'postMessage':
return this.previewer.send( 'setting', [ this.id, this() ] );
}
},
/**
* 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;
}
});
/**
* Utility function namespace
*/
api.utils = {};
/**
* 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
*
* @param {function} completeCallback Function to be called after transition is completed.
* @returns {void}
* @private
*/
_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
*
* @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' )
} );
}
});
/**
* @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 section = this;
// 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();
}
});
},
/**
* 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' );
}, 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' );
} 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.
$( 'body' ).on( 'keyup', 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();
}
});
_.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' );
} 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' );
}
},
/**
* 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' );
}
},
/**
* Render & show the theme details for a given theme model.
*
* @since 4.2.0
*
* @param {Object} theme
*/
showDetails: function ( theme, callback ) {
var section = this;
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();
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' );
} 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' );
}
},
/**
* 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,
inject;
// Watch for changes to the section state
inject = function ( sectionId ) {
var parentContainer;
if ( ! sectionId ) { // @todo allow a control to be embedded without a section, for instance a control embedded in the front end.
return;
}
// Wait for the section to be registered
api.section( sectionId, function ( section ) {
// Wait for the section to be ready/initialized
section.deferred.embedded.done( function () {
parentContainer = ( section.contentContainer.is( 'ul' ) ) ? section.contentContainer : section.contentContainer.find( 'ul:first' );
if ( ! control.container.parent().is( parentContainer ) ) {
parentContainer.append( control.container );
control.renderContent();
}
control.deferred.embedded.resolve();
});
});
};
control.section.bind( inject );
inject( control.section.get() );
},
/**
* Triggered when the control's markup has been injected into the DOM.
*
* @abstract
*/
ready: function() {},
/**
* 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;
notificationsContainer = control.container.find( '.customize-control-notifications-container:first' );
if ( notificationsContainer.length ) {
return notificationsContainer;
}
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;
},
/**
* 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;
}
} );
if ( 0 === notifications.length ) {
container.stop().slideUp( 'fast' );
} else {
container.stop().slideDown( 'fast', null, function() {
$( this ).css( 'height', 'auto' );
} );
}
if ( ! control.notificationsTemplate ) {
control.notificationsTemplate = wp.template( 'customize-control-notifications' );
}
control.container.toggleClass( 'has-notifications', 0 !== notifications.length );
control.container.toggleClass( 'has-error', hasError );
container.empty().append( $.trim(
control.notificationsTemplate( { notifications: notifications, altNotice: Boolean( control.altNotice ) } )
) );
},
/**
* Normal controls do not expand, so just expand its parent
*
* @param {Object} [params]
*/
expand: function ( params ) {
api.section( this.section() ).expand( params );
},
/**
* 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;
}
if ( ! $.contains( document, this.container[0] ) ) {
// jQuery.fn.slideUp is not hiding an element if it is not in the DOM
this.container.toggle( active );
if ( args.completeCallback ) {
args.completeCallback();
}
} else if ( active ) {
this.container.slideDown( args.duration, args.completeCallback );
} else {
this.container.slideUp( args.duration, args.completeCallback );
}
},
/**
* @deprecated 4.1.0 Use this.onChangeActive() instead.
*/
toggle: function ( active ) {
return this.onChangeActive( active, this.defaultActiveArguments );
},
/**
* 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,
statuses = this.container.find('.dropdown-status'),
params = this.params,
toggleFreeze = false,
update = function( to ) {
if ( typeof to === 'string' && params.statuses && params.statuses[ to ] )
statuses.html( params.statuses[ to ] ).show();
else
statuses.hide();
};
// Support the .dropdown class to open/close complex elements
this.container.on( 'click keydown', '.dropdown', function( event ) {
if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
return;
}
event.preventDefault();
if (!toggleFreeze)
control.container.toggleClass('open');
if ( control.container.hasClass('open') )
control.container.parent().parent().find('li.library-selected').focus();
// Don't want to fire focus and click at same time
toggleFreeze = true;
setTimeout(function () {
toggleFreeze = false;
}, 400);
});
this.setting.bind( update );
update( this.setting() );
},
/**
* Render the control from its JS template, if it exists.
*
* The control's container must already exist in the DOM.
*
* @since 4.1.0
*/
renderContent: function () {
var 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 ) );
}
}
}
});
/**
* A colorpicker control.
*
* @class
* @augments wp.customize.Control
* @augments wp.customize.Class
*/
api.ColorControl = api.Control.extend({
ready: function() {
var control = this,
picker = this.container.find('.color-picker-hex');
picker.val( control.setting() ).wpColorPicker({
change: function() {
control.setting.set( picker.wpColorPicker('color') );
},
clear: function() {
control.setting.set( '' );
}
});
this.setting.bind( function ( value ) {
picker.val( value );
picker.wpColorPicker( 'color', value );
});
}
});
/**
* 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();
}
},
// @deprecated
success: function() {},
// @deprecated
removerVisibility: function() {}
});
/**
* A control for uploading images.
*
* This control no longer needs to do anything more
* than what the upload control does in JS.
*
* @class
* @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() {
api.UploadControl.prototype.ready.apply( this, arguments );
},
/**
* Callback handler for when an attachment is selected in the media modal.
* Does an additional AJAX request for setting the background context.
*/
select: function() {
api.UploadControl.prototype.select.apply( this, arguments );
wp.ajax.post( 'custom-background-add', {
nonce: _wpCustomizeBackground.nonces.add,
wp_customize: 'on',
theme: api.settings.theme.stylesheet,
attachment_id: this.params.attachment.id
} );
}
});
/**
* 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({
/**
* Open the media modal to the library state.
*/
openFrame: function( event ) {
if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
return;
}
this.initFrame();
this.frame.setState( 'library' ).open();
},
/**
* Create a media modal select frame, and store it so the instance can be reused when needed.
*/
initFrame: function() {
var l10n = _wpMediaViewsL10n;
this.frame = wp.media({
button: {
text: l10n.select,
close: false
},
states: [
new wp.media.controller.Library({
title: this.params.button_labels.frame_title,
library: wp.media.query({ type: 'image' }),
multiple: false,
date: false,
priority: 20,
suggestedWidth: this.params.width,
suggestedHeight: this.params.height
}),
new wp.media.controller.CustomizeImageCropper({
imgSelectOptions: this.calculateImageSelectOptions,
control: this
})
]
});
this.frame.on( 'select', this.onSelect, this );
this.frame.on( 'cropped', this.onCropped, this );
this.frame.on( 'skippedcrop', this.onSkippedCrop, this );
},
/**
* After an image is selected in the media modal, switch to the cropper
* state if the image isn't the right size.
*/
onSelect: function() {
var attachment = this.frame.state().get( 'selection' ).first().toJSON();
if ( this.params.width === attachment.width && this.params.height === attachment.height && ! this.params.flex_width && ! this.params.flex_height ) {
this.setImageFromAttachment( attachment );
this.frame.close();
} else {
this.frame.setState( 'cropper' );
}
},
/**
* After the image has been cropped, apply the cropped image data to the setting.
*
* @param {object} croppedImage Cropped attachment data.
*/
onCropped: function( croppedImage ) {
this.setImageFromAttachment( croppedImage );
},
/**
* Returns a set of options, computed from the attached image data and
* control-specific data, to be fed to the imgAreaSelect plugin in
* wp.media.view.Cropper.
*
* @param {wp.media.model.Attachment} attachment
* @param {wp.media.controller.Cropper} controller
* @returns {Object} Options
*/
calculateImageSelectOptions: function( attachment, controller ) {
var control = controller.get( 'control' ),
flexWidth = !! parseInt( control.params.flex_width, 10 ),
flexHeight = !! parseInt( control.params.flex_height, 10 ),
realWidth = attachment.get( 'width' ),
realHeight = attachment.get( 'height' ),
xInit = parseInt( control.params.width, 10 ),
yInit = parseInt( control.params.height, 10 ),
ratio = xInit / yInit,
xImg = xInit,
yImg = yInit,
x1, y1, imgSelectOptions;
controller.set( 'canSkipCrop', ! control.mustBeCropped( flexWidth, flexHeight, xInit, yInit, realWidth, realHeight ) );
if ( realWidth / realHeight > ratio ) {
yInit = realHeight;
xInit = yInit * ratio;
} else {
xInit = realWidth;
yInit = xInit / ratio;
}
x1 = ( realWidth - xInit ) / 2;
y1 = ( realHeight - yInit ) / 2;
imgSelectOptions = {
handles: true,
keys: true,
instance: true,
persistent: true,
imageWidth: realWidth,
imageHeight: realHeight,
minWidth: xImg > xInit ? xInit : xImg,
minHeight: yImg > yInit ? yInit : yImg,
x1: x1,
y1: y1,
x2: xInit + x1,
y2: yInit + y1
};
if ( flexHeight === false && flexWidth === false ) {
imgSelectOptions.aspectRatio = xInit + ':' + yInit;
}
if ( true === flexHeight ) {
delete imgSelectOptions.minHeight;
imgSelectOptions.maxWidth = realWidth;
}
if ( true === flexWidth ) {
delete imgSelectOptions.minWidth;
imgSelectOptions.maxHeight = realHeight;
}
return imgSelectOptions;
},
/**
* Return whether the image must be cropped, based on required dimensions.
*
* @param {bool} flexW
* @param {bool} flexH
* @param {int} dstW
* @param {int} dstH
* @param {int} imgW
* @param {int} imgH
* @return {bool}
*/
mustBeCropped: function( flexW, flexH, dstW, dstH, imgW, imgH ) {
if ( true === flexW && true === flexH ) {
return false;
}
if ( true === flexW && dstH === imgH ) {
return false;
}
if ( true === flexH && dstW === imgW ) {
return false;
}
if ( dstW === imgW && dstH === imgH ) {
return false;
}
if ( imgW <= dstW ) {
return false;
}
return true;
},
/**
* If cropping was skipped, apply the image data directly to the setting.
*/
onSkippedCrop: function() {
var attachment = this.frame.state().get( 'selection' ).first().toJSON();
this.setImageFromAttachment( attachment );
},
/**
* Updates the setting and re-renders the control UI.
*
* @param {object} attachment
*/
setImageFromAttachment: function( attachment ) {
this.params.attachment = attachment;
// Set the Customizer setting; the callback takes care of rendering.
this.setting( attachment.id );
}
});
/**
* A control for selecting and cropping Site Icons.
*
* @class
* @augments wp.customize.CroppedImageControl
* @augments wp.customize.MediaControl
* @augments wp.customize.Control
* @augments wp.customize.Class
*/
api.SiteIconControl = api.CroppedImageControl.extend({
/**
* Create a media modal select frame, and store it so the instance can be reused when needed.
*/
initFrame: function() {
var l10n = _wpMediaViewsL10n;
this.frame = wp.media({
button: {
text: l10n.select,
close: false
},
states: [
new wp.media.controller.Library({
title: this.params.button_labels.frame_title,
library: wp.media.query({ type: 'image' }),
multiple: false,
date: false,
priority: 20,
suggestedWidth: this.params.width,
suggestedHeight: this.params.height
}),
new wp.media.controller.SiteIconCropper({
imgSelectOptions: this.calculateImageSelectOptions,
control: this
})
]
});
this.frame.on( 'select', this.onSelect, this );
this.frame.on( 'cropped', this.onCropped, this );
this.frame.on( 'skippedcrop', this.onSkippedCrop, this );
},
/**
* After an image is selected in the media modal, switch to the cropper
* state if the image isn't the right size.
*/
onSelect: function() {
var attachment = this.frame.state().get( 'selection' ).first().toJSON(),
controller = this;
if ( this.params.width === attachment.width && this.params.height === attachment.height && ! this.params.flex_width && ! this.params.flex_height ) {
wp.ajax.post( 'crop-image', {
nonce: attachment.nonces.edit,
id: attachment.id,
context: 'site-icon',
cropDetails: {
x1: 0,
y1: 0,
width: this.params.width,
height: this.params.height,
dst_width: this.params.width,
dst_height: this.params.height
}
} ).done( function( croppedImage ) {
controller.setImageFromAttachment( croppedImage );
controller.frame.close();
} ).fail( function() {
controller.frame.trigger('content:error:crop');
} );
} else {
this.frame.setState( 'cropper' );
}
},
/**
* Updates the setting and re-renders the control UI.
*
* @param {object} attachment
*/
setImageFromAttachment: function( attachment ) {
var sizes = [ 'site_icon-32', 'thumbnail', 'full' ],
icon;
_.each( sizes, function( size ) {
if ( ! icon && ! _.isUndefined ( attachment.sizes[ size ] ) ) {
icon = attachment.sizes[ size ];
}
} );
this.params.attachment = attachment;
// Set the Customizer setting; the callback takes care of rendering.
this.setting( attachment.id );
// Update the icon in-browser.
$( 'link[sizes="32x32"]' ).attr( 'href', icon.url );
},
/**
* Called when the "Remove" link is clicked. Empties the setting.
*
* @param {object} event jQuery Event object
*/
removeFile: function( event ) {
if ( api.utils.isKeydownButNotEnterEvent( event ) ) {
return;
}
event.preventDefault();
this.params.attachment = {};
this.setting( '' );
this.renderContent(); // Not bound to setting change when emptying.
$( 'link[rel="icon"]' ).attr( 'href', '' );
}
});
/**
* @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');
_.bindAll(this, 'openMedia', 'removeImage');
this.btnNew.on( 'click', this.openMedia );
this.btnRemove.on( 'click', this.removeImage );
api.HeaderTool.currentHeader = this.getInitialHeaderImage();
new api.HeaderTool.CurrentView({
model: api.HeaderTool.currentHeader,
el: '#customize-control-header_image .current .container'
});
new api.HeaderTool.ChoiceListView({
collection: api.HeaderTool.UploadsList = new api.HeaderTool.ChoiceList(),
el: '#customize-control-header_image .choices .uploaded .list'
});
new api.HeaderTool.ChoiceListView({
collection: api.HeaderTool.DefaultsList = new api.HeaderTool.DefaultsList(),
el: '#customize-control-header_image .choices .default .list'
});
api.HeaderTool.combinedList = api.HeaderTool.CombinedList = new api.HeaderTool.CombinedList([
api.HeaderTool.UploadsList,
api.HeaderTool.DefaultsList
]);
// Ensure custom-header-crop Ajax requests bootstrap the Customizer to activate the previewed theme.
wp.media.controller.Cropper.prototype.defaults.doCropArgs.wp_customize = 'on';
wp.media.controller.Cropper.prototype.defaults.doCropArgs.theme = api.settings.theme.stylesheet;
},
/**
* Returns a new instance of api.HeaderTool.ImageModel based on the currently
* saved header image (if any).
*
* @since 4.2.0
*
* @returns {Object} Options
*/
getInitialHeaderImage: function() {
if ( ! api.get().header_image || ! api.get().header_image_data || _.contains( [ 'remove-header', 'random-default-image', 'random-uploaded-image' ], api.get().header_image ) ) {
return new api.HeaderTool.ImageModel();
}
// Get the matching uploaded image object.
var currentHeaderObject = _.find( _wpCustomizeHeader.uploads, function( imageObj ) {
return ( imageObj.attachment_id === api.get().header_image_data.attachment_id );
} );
// Fall back to raw current header image.
if ( ! currentHeaderObject ) {
currentHeaderObject = {
url: api.get().header_image,
thumbnail_url: api.get().header_image,
attachment_id: api.get().header_image_data.attachment_id
};
}
return new api.HeaderTool.ImageModel({
header: currentHeaderObject,
choice: currentHeaderObject.url.split( '/' ).pop()
});
},
/**
* Returns a set of options, computed from the attached image data and
* theme-specific data, to be fed to the imgAreaSelect plugin in
* wp.media.view.Cropper.
*
* @param {wp.media.model.Attachment} attachment
* @param {wp.media.controller.Cropper} controller
* @returns {Object} Options
*/
calculateImageSelectOptions: function(attachment, controller) {
var xInit = parseInt(_wpCustomizeHeader.data.width, 10),
yInit = parseInt(_wpCustomizeHeader.data.height, 10),
flexWidth = !! parseInt(_wpCustomizeHeader.data['flex-width'], 10),
flexHeight = !! parseInt(_wpCustomizeHeader.data['flex-height'], 10),
ratio, xImg, yImg, realHeight, realWidth,
imgSelectOptions;
realWidth = attachment.get('width');
realHeight = attachment.get('height');
this.headerImage = new api.HeaderTool.ImageModel();
this.headerImage.set({
themeWidth: xInit,
themeHeight: yInit,
themeFlexWidth: flexWidth,
themeFlexHeight: flexHeight,
imageWidth: realWidth,
imageHeight: realHeight
});
controller.set( 'canSkipCrop', ! this.headerImage.shouldBeCropped() );
ratio = xInit / yInit;
xImg = realWidth;
yImg = realHeight;
if ( xImg / yImg > ratio ) {
yInit = yImg;
xInit = yInit * ratio;
} else {
xInit = xImg;
yInit = xInit / ratio;
}
imgSelectOptions = {
handles: true,
keys: true,
instance: true,
persistent: true,
imageWidth: realWidth,
imageHeight: realHeight,
x1: 0,
y1: 0,
x2: xInit,
y2: yInit
};
if (flexHeight === false && flexWidth === false) {
imgSelectOptions.aspectRatio = xInit + ':' + yInit;
}
if (flexHeight === false ) {
imgSelectOptions.maxHeight = yInit;
}
if (flexWidth === false ) {
imgSelectOptions.maxWidth = xInit;
}
return imgSelectOptions;
},
/**
* Sets up and opens the Media Manager in order to select an image.
* Depending on both the size of the image and the properties of the
* current theme, a cropping step after selection may be required or
* skippable.
*
* @param {event} event
*/
openMedia: function(event) {
var l10n = _wpMediaViewsL10n;
event.preventDefault();
this.frame = wp.media({
button: {
text: l10n.selectAndCrop,
close: false
},
states: [
new wp.media.controller.Library({
title: l10n.chooseImage,
library: wp.media.query({ type: 'image' }),
multiple: false,
date: false,
priority: 20,
suggestedWidth: _wpCustomizeHeader.data.width,
suggestedHeight: _wpCustomizeHeader.data.height
}),
new wp.media.controller.Cropper({
imgSelectOptions: this.calculateImageSelectOptions
})
]
});
this.frame.on('select', this.onSelect, this);
this.frame.on('cropped', this.onCropped, this);
this.frame.on('skippedcrop', this.onSkippedCrop, this);
this.frame.open();
},
/**
* After an image is selected in the media modal,
* switch to the cropper state.
*/
onSelect: function() {
this.frame.setState('cropper');
},
/**
* After the image has been cropped, apply the cropped image data to the setting.
*
* @param {object} croppedImage Cropped attachment data.
*/
onCropped: function(croppedImage) {
var url = croppedImage.url,
attachmentId = croppedImage.attachment_id,
w = croppedImage.width,
h = croppedImage.height;
this.setImageFromURL(url, attachmentId, w, h);
},
/**
* If cropping was skipped, apply the image data directly to the setting.
*
* @param {object} selection
*/
onSkippedCrop: function(selection) {
var url = selection.get('url'),
w = selection.get('width'),
h = selection.get('height');
this.setImageFromURL(url, selection.id, w, h);
},
/**
* Creates a new wp.customize.HeaderTool.ImageModel from provided
* header image data and inserts it into the user-uploaded headers
* collection.
*
* @param {String} url
* @param {Number} attachmentId
* @param {Number} width
* @param {Number} height
*/
setImageFromURL: function(url, attachmentId, width, height) {
var choice, data = {};
data.url = url;
data.thumbnail_url = url;
data.timestamp = _.now();
if (attachmentId) {
data.attachment_id = attachmentId;
}
if (width) {
data.width = width;
}
if (height) {
data.height = height;
}
choice = new api.HeaderTool.ImageModel({
header: data,
choice: url.split('/').pop()
});
api.HeaderTool.UploadsList.add(choice);
api.HeaderTool.currentHeader.set(choice.toJSON());
choice.save();
choice.importImage();
},
/**
* Triggers the necessary events to deselect an image which was set as
* the currently selected one.
*/
removeImage: function() {
api.HeaderTool.currentHeader.trigger('hide');
api.HeaderTool.CombinedList.trigger('control:removeImage');
}
});
/**
* wp.customize.ThemeControl
*
* @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;
}
var previewUrl = $( this ).data( 'previewUrl' );
$( '.wp-full-overlay' ).addClass( 'customize-loading' );
window.parent.location = previewUrl;
});
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
*/
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 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,
/**
* Initialize the PreviewFrame.
*
* @param {object} params.container
* @param {object} params.signature
* @param {object} params.previewUrl
* @param {object} params.query
* @param {object} options
*/
initialize: function( params, options ) {
var deferred = $.Deferred();
/*
* Make the instance of the PreviewFrame the promise object
* so other objects can easily interact with it.
*/
deferred.promise( this );
this.container = params.container;
this.signature = params.signature;
$.extend( params, { channel: api.PreviewFrame.uuid() });
api.Messenger.prototype.initialize.call( this, params, options );
this.add( 'previewUrl', params.previewUrl );
this.query = $.extend( params.query || {}, { customize_messenger_channel: this.channel() });
this.run( deferred );
},
/**
* Run the preview request.
*
* @param {object} deferred jQuery Deferred object to be resolved with
* the request.
*/
run: function( deferred ) {
var self = this,
loaded = false,
ready = false;
if ( this._ready ) {
this.unbind( 'ready', this._ready );
}
this._ready = function() {
ready = true;
if ( loaded ) {
deferred.resolveWith( self );
}
};
this.bind( 'ready', this._ready );
this.bind( 'ready', function ( data ) {
this.container.addClass( 'iframe-ready' );
if ( ! data ) {
return;
}
/*
* Walk over all panels, sections, and controls and set their
* respective active states to true if the preview explicitly
* indicates as such.
*/
var constructs = {
panel: data.activePanels,
section: data.activeSections,
control: data.activeControls
};
_( constructs ).each( function ( activeConstructs, type ) {
api[ type ].each( function ( construct, id ) {
var isDynamicallyCreated = _.isUndefined( api.settings[ type + 's' ][ id ] );
/*
* If the construct was created statically in PHP (not dynamically in JS)
* then consider a missing (undefined) value in the activeConstructs to
* mean it should be deactivated (since it is gone). But if it is
* dynamically created then only toggle activation if the value is defined,
* as this means that the construct was also then correspondingly
* created statically in PHP and the active callback is available.
* Otherwise, dynamically-created constructs should normally have
* their active states toggled in JS rather than from PHP.
*/
if ( ! isDynamicallyCreated || ! _.isUndefined( activeConstructs[ id ] ) ) {
if ( activeConstructs[ id ] ) {
construct.activate();
} else {
construct.deactivate();
}
}
} );
} );
if ( data.settingValidities ) {
api._handleSettingValidities( {
settingValidities: data.settingValidities,
focusInvalidControl: false
} );
}
} );
this.request = $.ajax( this.previewUrl(), {
type: 'POST',
data: this.query,
xhrFields: {
withCredentials: true
}
} );
this.request.fail( function() {
deferred.rejectWith( self, [ 'request failure' ] );
});
this.request.done( function( response ) {
var location = self.request.getResponseHeader('Location'),
signature = self.signature,
index;
// Check if the location response header differs from the current URL.
// If so, the request was redirected; try loading the requested page.
if ( location && location !== self.previewUrl() ) {
deferred.rejectWith( self, [ 'redirect', location ] );
return;
}
// Check if the user is not logged in.
if ( '0' === response ) {
self.login( deferred );
return;
}
// Check for cheaters.
if ( '-1' === response ) {
deferred.rejectWith( self, [ 'cheatin' ] );
return;
}
// Check for a signature in the request.
index = response.lastIndexOf( signature );
if ( -1 === index || index < response.lastIndexOf('