_source/plugins/preview/plugin.js

   1 /*
   2 Copyright (c) 2003-2011, CKSource - Frederico Knabben. All rights reserved.
   3 For licensing, see LICENSE.html or http://ckeditor.com/license
   4 */
   5
   6 /**
   7  * @file Preview plugin.
   8  */
   9
  10 (function()
  11 {
  12         var previewCmd =
  13         {
  14                 modes : { wysiwyg:1, source:1 },
  15                 canUndo : false,
  16                 readOnly : 1,
  17                 exec : function( editor )
  18                 {
  19                         var sHTML,
  20                                 config = editor.config,
  21                                 baseTag = config.baseHref ? '<base href="' + config.baseHref + '"/>' : '',
  22                                 isCustomDomain = CKEDITOR.env.isCustomDomain();
  23
  24                         if ( config.fullPage )
  25                         {
  26                                 sHTML = editor.getData()
  27                                                 .replace( /<head>/, '$&' + baseTag )
  28                                                 .replace( /[^>]*(?=<\/title>)/, '$& &mdash; ' + editor.lang.preview );
  29                         }
  30                         else
  31                         {
  32                                 var bodyHtml = '<body ',
  33                                                 body = editor.document && editor.document.getBody();
  34
  35                                 if ( body )
  36                                 {
  37                                         if ( body.getAttribute( 'id' ) )
  38                                                 bodyHtml += 'id="' + body.getAttribute( 'id' ) + '" ';
  39                                         if ( body.getAttribute( 'class' ) )
  40                                                 bodyHtml += 'class="' + body.getAttribute( 'class' ) + '" ';
  41                                 }
  42
  43                                 bodyHtml += '>';
  44
  45                                 sHTML =
  46                                         editor.config.docType +
  47                                         '<html dir="' + editor.config.contentsLangDirection + '">' +
  48                                         '<head>' +
  49                                         baseTag +
  50                                         '<title>' + editor.lang.preview + '</title>' +
  51                                         CKEDITOR.tools.buildStyleHtml( editor.config.contentsCss ) +
  52                                         '</head>' + bodyHtml +
  53                                         editor.getData() +
  54                                         '</body></html>';
  55                         }
  56
  57                         var iWidth      = 640,  // 800 * 0.8,
  58                                 iHeight = 420,  // 600 * 0.7,
  59                                 iLeft   = 80;   // (800 - 0.8 * 800) /2 = 800 * 0.1.
  60                         try
  61                         {
  62                                 var screen = window.screen;
  63                                 iWidth = Math.round( screen.width * 0.8 );
  64                                 iHeight = Math.round( screen.height * 0.7 );
  65                                 iLeft = Math.round( screen.width * 0.1 );
  66                         }
  67                         catch ( e ){}
  68
  69                         var sOpenUrl = '';
  70                         if ( isCustomDomain )
  71                         {
  72                                 window._cke_htmlToLoad = sHTML;
  73                                 sOpenUrl = 'javascript:void( (function(){' +
  74                                         'document.open();' +
  75                                         'document.domain="' + document.domain + '";' +
  76                                         'document.write( window.opener._cke_htmlToLoad );' +
  77                                         'document.close();' +
  78                                         'window.opener._cke_htmlToLoad = null;' +
  79                                         '})() )';
  80                         }
  81
  82                         var oWindow = window.open( sOpenUrl, null, 'toolbar=yes,location=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=' +
  83                                 iWidth + ',height=' + iHeight + ',left=' + iLeft );
  84
  85                         if ( !isCustomDomain )
  86                         {
  87                                 oWindow.document.open();
  88                                 oWindow.document.write( sHTML );
  89                                 oWindow.document.close();
  90                         }
  91                 }
  92         };
  93
  94         var pluginName = 'preview';
  95
  96         // Register a plugin named "preview".
  97         CKEDITOR.plugins.add( pluginName,
  98         {
  99                 init : function( editor )
 100                 {
 101                         editor.addCommand( pluginName, previewCmd );
 102                         editor.ui.addButton( 'Preview',
 103                                 {
 104                                         label : editor.lang.preview,
 105                                         command : pluginName
 106                                 });
 107                 }
 108         });
 109 })();