3540b301af
* Use ajax-based saving, add saving indicator. * Use ajax-based refreshing instead of form targets. * Instead of using hidden inputs with prefixed names to track the canonical data, use the values stored in wp.customize. Encode the values as JSON before sending to avoid bugs with ids that contain square brackets (PHP mangles POST values with nested brackets). * Use wp.customize.Previewer solely for the purpose of previewing; move the postMessage connection with the parent frame and other unrelated code snippets into the 'ready' handler. git-svn-id: https://develop.svn.wordpress.org/trunk@20645 602fd350-edb4-49c9-b593-d223f7449a82
514 lines
13 KiB
JavaScript
514 lines
13 KiB
JavaScript
(function( exports, $ ){
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var api = wp.customize;
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/*
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* @param options
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* - previewer - The Previewer instance to sync with.
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* - transport - The transport to use for previewing. Supports 'refresh' and 'postMessage'.
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*/
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api.Setting = api.Value.extend({
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initialize: function( id, value, options ) {
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var element;
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api.Value.prototype.initialize.call( this, value, options );
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this.id = id;
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this.transport = this.transport || 'refresh';
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this.bind( this.preview );
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},
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preview: function() {
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switch ( this.transport ) {
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case 'refresh':
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return this.previewer.refresh();
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case 'postMessage':
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return this.previewer.send( 'setting', [ this.id, this() ] );
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}
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}
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});
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api.Control = api.Class.extend({
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initialize: function( id, options ) {
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var control = this,
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nodes, radios, settings;
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this.params = {};
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$.extend( this, options || {} );
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this.id = id;
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this.selector = '#customize-control-' + id.replace( ']', '' ).replace( '[', '-' );
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this.container = $( this.selector );
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settings = $.map( this.params.settings, function( value ) {
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return value;
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});
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api.apply( api, settings.concat( function() {
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var key;
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control.settings = {};
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for ( key in control.params.settings ) {
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control.settings[ key ] = api( control.params.settings[ key ] );
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}
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control.setting = control.settings['default'] || null;
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control.ready();
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}) );
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control.elements = [];
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nodes = this.container.find('[data-customize-setting-link]');
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radios = {};
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nodes.each( function() {
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var node = $(this),
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name;
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if ( node.is(':radio') ) {
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name = node.prop('name');
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if ( radios[ name ] )
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return;
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radios[ name ] = true;
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node = nodes.filter( '[name="' + name + '"]' );
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}
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api( node.data('customizeSettingLink'), function( setting ) {
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var element = new api.Element( node );
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control.elements.push( element );
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element.sync( setting );
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element.set( setting() );
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});
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});
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},
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ready: function() {},
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dropdownInit: function() {
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var control = this,
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statuses = this.container.find('.dropdown-status'),
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params = this.params,
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update = function( to ) {
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if ( typeof to === 'string' && params.statuses && params.statuses[ to ] )
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statuses.html( params.statuses[ to ] ).show();
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else
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statuses.hide();
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};
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// Support the .dropdown class to open/close complex elements
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this.container.on( 'click', '.dropdown', function( event ) {
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event.preventDefault();
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control.container.toggleClass('open');
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});
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this.setting.bind( update );
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update( this.setting() );
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}
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});
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api.ColorControl = api.Control.extend({
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ready: function() {
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var control = this,
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spot, text, update;
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spot = this.container.find('.dropdown-content');
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update = function( color ) {
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color = color ? '#' + color : '';
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spot.css( 'background', color );
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control.farbtastic.setColor( color );
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};
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this.farbtastic = $.farbtastic( this.container.find('.farbtastic-placeholder'), function( color ) {
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control.setting.set( color.replace( '#', '' ) );
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});
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this.setting.bind( update );
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update( this.setting() );
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this.dropdownInit();
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}
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});
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api.UploadControl = api.Control.extend({
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ready: function() {
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var control = this;
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this.params.removed = this.params.removed || '';
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this.success = $.proxy( this.success, this );
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this.uploader = new wp.Uploader({
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browser: this.container.find('.upload'),
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dropzone: this.container.find('.upload-dropzone'),
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success: this.success
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});
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this.remover = this.container.find('.remove');
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this.remover.click( function( event ) {
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control.setting.set( control.params.removed );
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event.preventDefault();
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});
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this.removerVisibility = $.proxy( this.removerVisibility, this );
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this.setting.bind( this.removerVisibility );
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this.removerVisibility( this.setting.get() );
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if ( this.params.context )
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control.uploader.param( 'post_data[context]', this.params.context );
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},
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success: function( attachment ) {
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this.setting.set( attachment.url );
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},
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removerVisibility: function( to ) {
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this.remover.toggle( to != this.params.removed );
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}
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});
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api.ImageControl = api.UploadControl.extend({
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ready: function() {
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var control = this,
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panels;
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api.UploadControl.prototype.ready.call( this );
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this.thumbnail = this.container.find('.preview-thumbnail img');
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this.thumbnailSrc = $.proxy( this.thumbnailSrc, this );
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this.setting.bind( this.thumbnailSrc );
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this.library = this.container.find('.library');
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// Generate tab objects
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this.tabs = {};
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panels = this.library.find('.library-content');
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this.library.children('ul').children('li').each( function() {
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var link = $(this),
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id = link.data('customizeTab'),
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panel = panels.filter('[data-customize-tab="' + id + '"]');
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control.tabs[ id ] = {
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both: link.add( panel ),
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link: link,
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panel: panel
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};
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});
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// Select a tab
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this.selected = this.tabs[ panels.first().data('customizeTab') ];
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this.selected.both.addClass('library-selected');
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// Bind tab switch events
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this.library.children('ul').on( 'click', 'li', function( event ) {
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var id = $(this).data('customizeTab'),
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tab = control.tabs[ id ];
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event.preventDefault();
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if ( tab.link.hasClass('library-selected') )
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return;
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control.selected.both.removeClass('library-selected');
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control.selected = tab;
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control.selected.both.addClass('library-selected');
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});
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this.library.on( 'click', 'a', function( event ) {
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var value = $(this).data('customizeImageValue');
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if ( value ) {
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control.setting.set( value );
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event.preventDefault();
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}
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});
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if ( this.tabs.uploaded ) {
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this.tabs.uploaded.target = this.library.find('.uploaded-target');
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if ( ! this.tabs.uploaded.panel.find('.thumbnail').length )
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this.tabs.uploaded.both.addClass('hidden');
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}
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this.dropdownInit();
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},
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success: function( attachment ) {
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api.UploadControl.prototype.success.call( this, attachment );
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// Add the uploaded image to the uploaded tab.
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if ( this.tabs.uploaded && this.tabs.uploaded.target.length ) {
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this.tabs.uploaded.both.removeClass('hidden');
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$( '<a href="#" class="thumbnail"></a>' )
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.data( 'customizeImageValue', attachment.url )
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.append( '<img src="' + attachment.url+ '" />' )
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.appendTo( this.tabs.uploaded.target );
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}
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},
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thumbnailSrc: function( to ) {
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if ( /^(https?:)?\/\//.test( to ) )
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this.thumbnail.prop( 'src', to ).show();
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else
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this.thumbnail.hide();
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}
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});
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// Change objects contained within the main customize object to Settings.
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api.defaultConstructor = api.Setting;
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// Create the collection of Control objects.
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api.control = new api.Values({ defaultConstructor: api.Control });
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api.Previewer = api.Messenger.extend({
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refreshBuffer: 250,
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/**
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* Requires params:
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* - container - a selector or jQuery element
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* - url - the URL of preview frame
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*/
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initialize: function( params, options ) {
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var self = this;
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$.extend( this, options || {} );
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this.loaded = $.proxy( this.loaded, this );
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/*
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* Wrap this.refresh to prevent it from hammering the servers:
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*
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* If refresh is called once and no other refresh requests are
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* loading, trigger the request immediately.
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*
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* If refresh is called while another refresh request is loading,
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* debounce the refresh requests:
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* 1. Stop the loading request (as it is instantly outdated).
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* 2. Trigger the new request once refresh hasn't been called for
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* self.refreshBuffer milliseconds.
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*/
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this.refresh = (function( self ) {
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var refresh = self.refresh,
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callback = function() {
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timeout = null;
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refresh.call( self );
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},
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timeout;
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return function() {
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if ( typeof timeout !== 'number' ) {
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if ( self.loading ) {
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self.loading.remove();
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delete self.loading;
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self.loader();
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} else {
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return callback();
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}
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}
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clearTimeout( timeout );
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timeout = setTimeout( callback, self.refreshBuffer );
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};
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})( this );
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this.container = api.ensure( params.container );
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api.Messenger.prototype.initialize.call( this, params.url );
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this.bind( 'url', function( url ) {
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// Bail if we're navigating to the current url, to a different origin, or wp-admin.
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if ( this.url() == url || 0 !== url.indexOf( this.origin() + '/' ) || -1 !== url.indexOf( 'wp-admin' ) )
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return;
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this.url( url );
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this.refresh();
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});
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},
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loader: function() {
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if ( this.loading )
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return this.loading;
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this.loading = $('<iframe />').appendTo( this.container );
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return this.loading;
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},
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loaded: function() {
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if ( this.iframe )
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this.iframe.remove();
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this.iframe = this.loading;
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delete this.loading;
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this.targetWindow( this.iframe[0].contentWindow );
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},
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query: function() {},
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refresh: function() {
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var self = this;
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if ( this.request )
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this.request.abort();
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this.request = $.post( this.url(), this.query() || {}, function( response ) {
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var iframe = self.loader()[0].contentWindow;
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self.loader().one( 'load', self.loaded );
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iframe.document.open();
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iframe.document.write( response );
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iframe.document.close();
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});
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}
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});
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/* =====================================================================
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* Ready.
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* ===================================================================== */
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api.controlConstructor = {
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color: api.ColorControl,
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upload: api.UploadControl,
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image: api.ImageControl
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};
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$( function() {
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if ( ! api.settings )
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return;
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// Initialize Previewer
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var body = $( document.body ),
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query, previewer, parent;
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// Prevent the form from saving when enter is pressed.
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$('#customize-controls').on( 'keydown', function( e ) {
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if ( 13 === e.which ) // Enter
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e.preventDefault();
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});
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previewer = new api.Previewer({
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container: '#customize-preview',
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form: '#customize-controls',
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url: api.settings.preview
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}, {
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query: function() {
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return {
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customize: 'on',
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theme: api.settings.theme,
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customized: JSON.stringify( api.get() )
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};
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},
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nonce: $('#_wpnonce').val(),
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save: function() {
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var query = $.extend( this.query(), {
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action: 'customize_save',
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nonce: this.nonce
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}),
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request = $.post( api.settings.ajax, query );
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body.addClass('saving');
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request.always( function() {
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body.removeClass('saving');
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});
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}
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});
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$.each( api.settings.settings, function( id, data ) {
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api.set( id, id, data.value, {
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transport: data.transport,
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previewer: previewer
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} );
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});
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$.each( api.settings.controls, function( id, data ) {
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var constructor = api.controlConstructor[ data.type ] || api.Control,
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control;
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control = api.control.add( id, new constructor( id, {
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params: data,
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previewer: previewer
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} ) );
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});
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// Load the preview frame.
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previewer.refresh();
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// Temporary accordion code.
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$('.customize-section-title').click( function() {
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$( this ).parents('.customize-section').toggleClass( 'open' );
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return false;
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});
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// Button bindings.
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$('#save').click( function( event ) {
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previewer.save();
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event.preventDefault();
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});
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$('.collapse-sidebar').click( function( event ) {
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body.toggleClass( 'collapsed' );
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event.preventDefault();
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});
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// Create a potential postMessage connection with the parent frame.
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parent = new api.Messenger( api.settings.parent );
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// If we receive a 'back' event, we're inside an iframe.
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// Send any clicks to the 'Return' link to the parent page.
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parent.bind( 'back', function( text ) {
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$('.back').text( text ).click( function( event ) {
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event.preventDefault();
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parent.send( 'close' );
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});
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});
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// Initialize the connection with the parent frame.
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parent.send( 'ready' );
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// Control visibility for default controls
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$.each({
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'background_image': {
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controls: [ 'background_repeat', 'background_position_x', 'background_attachment' ],
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callback: function( to ) { return !! to }
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},
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'show_on_front': {
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controls: [ 'page_on_front', 'page_for_posts' ],
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callback: function( to ) { return 'page' === to }
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},
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'header_textcolor': {
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controls: [ 'header_textcolor' ],
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callback: function( to ) { return 'blank' !== to }
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}
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}, function( settingId, o ) {
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api( settingId, function( setting ) {
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$.each( o.controls, function( i, controlId ) {
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api.control( controlId, function( control ) {
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var visibility = function( to ) {
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control.container.toggle( o.callback( to ) );
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};
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visibility( setting.get() );
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setting.bind( visibility );
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});
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});
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});
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});
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// Juggle the two controls that use header_textcolor
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api.control( 'display_header_text', function( control ) {
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var last = '';
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control.elements[0].unsync( api( 'header_textcolor' ) );
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control.element = new api.Element( control.container.find('input') );
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control.element.set( 'blank' !== control.setting() );
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control.element.bind( function( to ) {
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if ( ! to )
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last = api.get( 'header_textcolor' );
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control.setting.set( to ? last : 'blank' );
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});
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control.setting.bind( function( to ) {
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control.element.set( 'blank' !== to );
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});
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});
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});
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})( wp, jQuery ); |