text: ﻿/**
   * @license Copyright (c) 2003-2016, CKSource - Frederico Knabben. All rights reserved.
   * For licensing, see LICENSE.md or http://ckeditor.com/license
   */
  
  /**
   * @fileOverview Preview plugin.
   */
  
  ( function() {
  	var pluginPath;
  
  	var previewCmd = { modes: { wysiwyg: 1, source: 1 },
  		canUndo: false,
  		readOnly: 1,
  		exec: function( editor ) {
  			var sHTML,
  				config = editor.config,
  				baseTag = config.baseHref ? '<base href="' + config.baseHref + '"/>' : '',
  				eventData;
  
  			if ( config.fullPage )
  				sHTML = editor.getData().replace( /<head>/, '$&' + baseTag ).replace( /[^>]*(?=<\/title>)/, '$& &mdash; ' + editor.lang.preview.preview );
  			else {
  				var bodyHtml = '<body ',
  					body = editor.document && editor.document.getBody();
  
  				if ( body ) {
  					if ( body.getAttribute( 'id' ) )
  						bodyHtml += 'id="' + body.getAttribute( 'id' ) + '" ';
  					if ( body.getAttribute( 'class' ) )
  						bodyHtml += 'class="' + body.getAttribute( 'class' ) + '" ';
  				}
  
  				bodyHtml += '>';
  
  				sHTML = editor.config.docType + '<html dir="' + editor.config.contentsLangDirection + '">' +
  					'<head>' +
  						baseTag +
  						'<title>' + editor.lang.preview.preview + '</title>' +
  						CKEDITOR.tools.buildStyleHtml( editor.config.contentsCss ) +
  					'</head>' + bodyHtml +
  						editor.getData() +
  					'</body></html>';
  			}
  
  			var iWidth = 640,
  				// 800 * 0.8,
  				iHeight = 420,
  				// 600 * 0.7,
  				iLeft = 80; // (800 - 0.8 * 800) /2 = 800 * 0.1.
  			try {
  				var screen = window.screen;
  				iWidth = Math.round( screen.width * 0.8 );
  				iHeight = Math.round( screen.height * 0.7 );
  				iLeft = Math.round( screen.width * 0.1 );
  			} catch ( e ) {}
  
  			// (#9907) Allow data manipulation before preview is displayed.
  			// Also don't open the preview window when event cancelled.
  			if ( editor.fire( 'contentPreview', eventData = { dataValue: sHTML } ) === false )
  				return false;
  
  			var sOpenUrl = '',
  				ieLocation;
  
  			if ( CKEDITOR.env.ie ) {
  				window._cke_htmlToLoad = eventData.dataValue;
  				ieLocation = 'javascript:void( (function(){' + // jshint ignore:line
  					'document.open();' +
  					// Support for custom document.domain.
  					// Strip comments and replace parent with window.opener in the function body.
  					( '(' + CKEDITOR.tools.fixDomain + ')();' ).replace( /\/\/.*?\n/g, '' ).replace( /parent\./g, 'window.opener.' ) +
  					'document.write( window.opener._cke_htmlToLoad );' +
  					'document.close();' +
  					'window.opener._cke_htmlToLoad = null;' +
  				'})() )';
  				// For IE we should use window.location rather than setting url in window.open. (#11146)
  				sOpenUrl = '';
  			}
  
  			// With Firefox only, we need to open a special preview page, so
  			// anchors will work properly on it. (#9047)
  			if ( CKEDITOR.env.gecko ) {
  				window._cke_htmlToLoad = eventData.dataValue;
  				sOpenUrl = CKEDITOR.getUrl( pluginPath + 'preview.html' );
  			}
  
  			var oWindow = window.open( sOpenUrl, null, 'toolbar=yes,location=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=' +
  				iWidth + ',height=' + iHeight + ',left=' + iLeft );
  
  			// For IE we want to assign whole js stored in ieLocation, but in case of
  			// popup blocker activation oWindow variable will be null. (#11597)
  			if ( CKEDITOR.env.ie && oWindow )
  				oWindow.location = ieLocation;
  
  			if ( !CKEDITOR.env.ie && !CKEDITOR.env.gecko ) {
  				var doc = oWindow.document;
  				doc.open();
  				doc.write( eventData.dataValue );
  				doc.close();
  			}
  
  			return true;
  		}
  	};
  
  	var pluginName = 'preview';
  
  	// Register a plugin named "preview".
  	CKEDITOR.plugins.add( pluginName, {
  		// jscs:disable maximumLineLength
  		lang: 'af,ar,bg,bn,bs,ca,cs,cy,da,de,de-ch,el,en,en-au,en-ca,en-gb,eo,es,et,eu,fa,fi,fo,fr,fr-ca,gl,gu,he,hi,hr,hu,id,is,it,ja,ka,km,ko,ku,lt,lv,mk,mn,ms,nb,nl,no,oc,pl,pt,pt-br,ro,ru,si,sk,sl,sq,sr,sr-latn,sv,th,tr,tt,ug,uk,vi,zh,zh-cn', // %REMOVE_LINE_CORE%
  		// jscs:enable maximumLineLength
  		icons: 'preview,preview-rtl', // %REMOVE_LINE_CORE%
  		hidpi: true, // %REMOVE_LINE_CORE%
  		init: function( editor ) {
  
  			// Preview is not used for the inline creator.
  			if ( editor.elementMode == CKEDITOR.ELEMENT_MODE_INLINE )
  				return;
  
  			pluginPath = this.path;
  
  			editor.addCommand( pluginName, previewCmd );
  			editor.ui.addButton && editor.ui.addButton( 'Preview', {
  				label: editor.lang.preview.preview,
  				command: pluginName,
  				toolbar: 'document,40'
  			} );
  		}
  	} );
  } )();
  
  /**
   * Event fired when executing `preview` command, which allows additional data manipulation.
   * With this event, the raw HTML content of the preview window to be displayed can be altered
   * or modified.
   *
   * @event contentPreview
   * @member CKEDITOR
   * @param {CKEDITOR.editor} editor This editor instance.
   * @param data
   * @param {String} data.dataValue The data that will go to the preview.
   */
  