414 lines
10 KiB
JavaScript
414 lines
10 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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* - method - The method 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.method = this.method || 'refresh';
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element = $( '<input />', {
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type: 'hidden',
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value: this.get(),
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name: api.settings.prefix + id
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});
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element.appendTo( this.previewer.form );
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this.element = new api.Element( element );
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this.sync( this.element );
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this.bind( this.preview );
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},
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preview: function() {
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switch ( this.method ) {
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case 'refresh':
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return this.previewer.refresh();
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case 'postMessage':
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return this.previewer.send( 'setting', [ this.id, this() ] );
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}
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}
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});
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api.Control = api.Class.extend({
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initialize: function( id, options ) {
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var control = this,
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nodes, radios, settings;
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this.params = {};
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$.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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});
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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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picker, ui, text, toggle, update;
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picker = this.container.find( '.color-picker' );
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ui = picker.find( '.color-picker-controls' );
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toggle = picker.find( 'a' );
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update = function( color ) {
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color = '#' + color;
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toggle.css( 'background', color );
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control.farbtastic.setColor( color );
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};
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picker.on( 'click', 'a', function() {
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ui.toggle();
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});
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this.farbtastic = $.farbtastic( picker.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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}
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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.uploader = new wp.Uploader({
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browser: this.container.find('.upload'),
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success: function( attachment ) {
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control.setting.set( attachment.url );
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}
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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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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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api.UploadControl.prototype.ready.call( this );
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this.thumbnail = this.container.find('.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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this.changer = this.container.find('.change');
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this.changer.click( function( event ) {
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control.library.toggle();
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event.preventDefault();
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});
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this.library.on( 'click', 'li', function( event ) {
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var tab = $(this),
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id = tab.data('customizeTab');
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event.preventDefault();
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if ( tab.hasClass('library-selected') )
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return;
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tab.siblings('.library-selected').removeClass('library-selected');
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tab.addClass('library-selected');
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control.library.find('div').hide().filter( function() {
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return $(this).data('customizeTab') === id;
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}).show();
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});
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this.library.on( 'click', 'a', function( event ) {
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control.setting.set( $(this).attr('href') );
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event.preventDefault();
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});
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},
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thumbnailSrc: function( to ) {
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if ( /^(https?:)?\/\//.test( to ) )
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this.thumbnail.prop( 'src', to ).show();
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else
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this.thumbnail.hide();
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}
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});
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// Change objects contained within the main customize object to Settings.
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api.defaultConstructor = api.Setting;
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// Create the collection of Control objects.
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api.control = new api.Values({ defaultConstructor: api.Control });
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api.Previewer = api.Messenger.extend({
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refreshBuffer: 250,
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/**
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* Requires params:
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* - iframe - a selector or jQuery element
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* - form - a selector or jQuery element
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* - url - the URL of preview frame
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*/
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initialize: function( params, options ) {
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$.extend( this, options || {} );
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this.loaded = $.proxy( this.loaded, this );
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this.loaderUuid = 0;
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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.iframe = api.ensure( params.iframe );
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this.form = api.ensure( params.form );
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this.name = this.iframe.prop('name');
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this.container = this.iframe.parent();
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api.Messenger.prototype.initialize.call( this, params.url, this.iframe[0].contentWindow );
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this._formOriginalProps = {
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target: this.form.prop('target'),
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action: this.form.prop('action')
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};
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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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this.refresh();
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// Prevent the form from saving when enter is pressed.
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this.form.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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},
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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 />', {
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name: this.name + '-loading-' + this.loaderUuid++
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}).appendTo( this.container );
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return this.loading;
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},
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loaded: function() {
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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.iframe.prop( 'name', this.name );
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this.targetWindow( this.iframe[0].contentWindow );
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},
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refresh: function() {
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this.loader().one( 'load', this.loaded );
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this.submit({
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target: this.loader().prop('name'),
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action: this.url()
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});
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},
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submit: function( props ) {
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if ( props )
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this.form.prop( props );
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this.form.submit();
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if ( props )
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this.form.prop( this._formOriginalProps );
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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 previewer = new api.Previewer({
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iframe: '#customize-preview iframe',
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form: '#customize-controls',
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url: api.settings.preview
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});
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$.each( api.settings.settings, function( id, data ) {
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api.set( id, id, data.value, {
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previewer: previewer
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} );
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});
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$.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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if ( data.visibility ) {
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api( data.visibility.id, function( other ) {
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if ( 'boolean' === typeof data.visibility.value ) {
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other.bind( function( to ) {
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control.container.toggle( !! to == data.visibility.value );
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});
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} else {
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other.bind( function( to ) {
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control.container.toggle( to == data.visibility.value );
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});
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}
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});
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}
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});
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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() {
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previewer.submit();
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return false;
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});
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// Background color uses postMessage by default
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api( 'background_color', function( setting ) {
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setting.method = 'postMessage';
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});
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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 ); |