WordPress/wp-includes/js/customize-loader.dev.js

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JavaScript
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if ( typeof wp === 'undefined' )
var wp = {};
(function( exports, $ ){
var Loader = {
initialize: function() {
this.body = $( document.body );
this.element = $( '#customize-container' );
this.base = $( '.admin-url', this.element ).val();
this.doc_title = $( document ).attr( 'title' );
this.element.on( 'click', '.return-to-admin', function() {
Loader.close();
return false;
});
this.element.on( 'click', '.collapse-sidebar', function() {
Loader.element.toggleClass('collapsed');
return false;
});
},
open: function( params ) {
params.customize = 'on';
this.element.append( '<iframe />' );
this.iframe = $( 'iframe' ).attr( 'src', this.base + '?' + jQuery.param( params ) );
$('iframe').load( function() {
title = $(this).contents().find( 'title' ).text();
$( document ).attr( 'title', title );
});
this.element.fadeIn( 200, function() {
Loader.body.addClass( 'customize-active' );
});
},
close: function() {
this.element.fadeOut( 200, function() {
Loader.iframe.remove();
Loader.iframe = null;
Loader.body.removeClass( 'customize-active' );
$( document ).attr( 'title', Loader.doc_title );
});
}
};
$( function() {
Loader.initialize();
// Override 'preview' links on themes page.
$('.thickbox-preview').click( function( event ) {
var href, template, stylesheet;
// Stop the thickbox.
event.preventDefault();
event.stopImmediatePropagation();
// Extract the template/stylesheet from the preview link's url.
href = $(this).attr('href');
template = href.match('template=([^&]*)')[1];
stylesheet = href.match('stylesheet=([^&]*)')[1];
// Load the theme.
Loader.open({
template: template,
stylesheet: stylesheet
});
}).filter( function() {
return 'Preview' == $(this).text();
}).text('Customize');
});
// Expose the API to the world.
exports.CustomizeLoader = Loader;
})( wp, jQuery );