WordPress/wp-includes/js/customize-preview-widgets.js

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(function( wp, $ ){
if ( ! wp || ! wp.customize ) { return; }
var api = wp.customize,
OldPreview;
/**
* wp.customize.WidgetCustomizerPreview
*
*/
api.WidgetCustomizerPreview = {
renderedSidebars: {}, // @todo Make rendered a property of the Backbone model
renderedWidgets: {}, // @todo Make rendered a property of the Backbone model
registeredSidebars: [], // @todo Make a Backbone collection
registeredWidgets: {}, // @todo Make array, Backbone collection
widgetSelectors: [],
preview: null,
l10n: {},
init: function () {
var self = this;
this.buildWidgetSelectors();
this.highlightControls();
this.preview.bind( 'highlight-widget', self.highlightWidget );
},
/**
* Calculate the selector for the sidebar's widgets based on the registered sidebar's info
*/
buildWidgetSelectors: function () {
var self = this;
$.each( this.registeredSidebars, function ( i, sidebar ) {
var widgetTpl = [
sidebar.before_widget.replace('%1$s', '').replace('%2$s', ''),
sidebar.before_title,
sidebar.after_title,
sidebar.after_widget
].join(''),
emptyWidget,
widgetSelector,
widgetClasses;
emptyWidget = $(widgetTpl);
widgetSelector = emptyWidget.prop('tagName');
widgetClasses = emptyWidget.prop('className');
// Prevent a rare case when before_widget, before_title, after_title and after_widget is empty.
if ( ! widgetClasses ) {
return;
}
widgetClasses = widgetClasses.replace(/^\s+|\s+$/g, '');
if ( widgetClasses ) {
widgetSelector += '.' + widgetClasses.split(/\s+/).join('.');
}
self.widgetSelectors.push(widgetSelector);
});
},
/**
* Highlight the widget on widget updates or widget control mouse overs.
*
* @param {string} widgetId ID of the widget.
*/
highlightWidget: function( widgetId ) {
var $body = $( document.body ),
$widget = $( '#' + widgetId );
$body.find( '.widget-customizer-highlighted-widget' ).removeClass( 'widget-customizer-highlighted-widget' );
$widget.addClass( 'widget-customizer-highlighted-widget' );
setTimeout( function () {
$widget.removeClass( 'widget-customizer-highlighted-widget' );
}, 500 );
},
/**
* Show a title and highlight widgets on hover. On shift+clicking
* focus the widget control.
*/
highlightControls: function() {
var self = this,
selector = this.widgetSelectors.join(',');
$(selector).attr( 'title', this.l10n.widgetTooltip );
$(document).on( 'mouseenter', selector, function () {
self.preview.send( 'highlight-widget-control', $( this ).prop( 'id' ) );
});
// Open expand the widget control when shift+clicking the widget element
$(document).on( 'click', selector, function ( e ) {
if ( ! e.shiftKey ) {
return;
}
e.preventDefault();
self.preview.send( 'focus-widget-control', $( this ).prop( 'id' ) );
});
}
};
/**
* Capture the instance of the Preview since it is private
*/
OldPreview = api.Preview;
api.Preview = OldPreview.extend( {
initialize: function( params, options ) {
api.WidgetCustomizerPreview.preview = this;
OldPreview.prototype.initialize.call( this, params, options );
}
} );
$(function () {
var settings = window._wpWidgetCustomizerPreviewSettings;
if ( ! settings ) {
return;
}
$.extend( api.WidgetCustomizerPreview, settings );
api.WidgetCustomizerPreview.init();
});
})( window.wp, jQuery );