_source/plugins/sourcearea/plugin.js

   1 /*\r
   2 Copyright (c) 2003-2009, CKSource - Frederico Knabben. All rights reserved.\r
   3 For licensing, see LICENSE.html or http://ckeditor.com/license\r
   4 */\r
   5 \r
   6 /**\r
   7  * @fileOverview The "sourcearea" plugin. It registers the "source" editing\r
   8  *              mode, which displays the raw data being edited in the editor.\r
   9  */\r
  10 \r
  11 CKEDITOR.plugins.add( 'sourcearea',\r
  12 {\r
  13         requires : [ 'editingblock' ],\r
  14 \r
  15         init : function( editor )\r
  16         {\r
  17                 var sourcearea = CKEDITOR.plugins.sourcearea;\r
  18 \r
  19                 editor.on( 'editingBlockReady', function()\r
  20                         {\r
  21                                 var textarea,\r
  22                                         onResize;\r
  23 \r
  24                                 editor.addMode( 'source',\r
  25                                         {\r
  26                                                 load : function( holderElement, data )\r
  27                                                 {\r
  28                                                         if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )\r
  29                                                                 holderElement.setStyle( 'position', 'relative' );\r
  30 \r
  31                                                         // Create the source area <textarea>.\r
  32                                                         editor.textarea = textarea = new CKEDITOR.dom.element( 'textarea' );\r
  33                                                         textarea.setAttributes(\r
  34                                                                 {\r
  35                                                                         dir : 'ltr',\r
  36                                                                         tabIndex : -1\r
  37                                                                 });\r
  38                                                         textarea.addClass( 'cke_source' );\r
  39 \r
  40                                                         var styles =\r
  41                                                         {\r
  42                                                                 // IE7 has overflow the <textarea> from wrapping table cell.\r
  43                                                                 width   : CKEDITOR.env.ie7Compat ?  '99%' : '100%',\r
  44                                                                 height  : '100%',\r
  45                                                                 resize  : 'none',\r
  46                                                                 outline : 'none',\r
  47                                                                 'text-align' : 'left'\r
  48                                                         };\r
  49 \r
  50                                                         // The textarea height/width='100%' doesn't\r
  51                                                         // constraint to the 'td' in IE strick mode\r
  52                                                         if ( CKEDITOR.env.ie )\r
  53                                                         {\r
  54                                                                 if ( !CKEDITOR.env.ie8Compat )\r
  55                                                                 {\r
  56                                                                         onResize = function()\r
  57                                                                                 {\r
  58                                                                                         // Holder rectange size is stretched by textarea,\r
  59                                                                                         // so hide it just for a moment.\r
  60                                                                                         textarea.hide();\r
  61                                                                                         textarea.setStyle( 'height', holderElement.$.clientHeight + 'px' );\r
  62                                                                                         // When we have proper holder size, show textarea again.\r
  63                                                                                         textarea.show();\r
  64                                                                                 };\r
  65                                                                         editor.on( 'resize', onResize );\r
  66                                                                         styles.height = holderElement.$.clientHeight + 'px';\r
  67                                                                 }\r
  68                                                         }\r
  69                                                         else\r
  70                                                         {\r
  71                                                                 // By some yet unknown reason, we must stop the\r
  72                                                                 // mousedown propagation for the textarea,\r
  73                                                                 // otherwise it's not possible to place the caret\r
  74                                                                 // inside of it (non IE).\r
  75                                                                 textarea.on( 'mousedown', function( evt )\r
  76                                                                         {\r
  77                                                                                 evt = evt.data.$;\r
  78                                                                                 if ( evt.stopPropagation )\r
  79                                                                                         evt.stopPropagation();\r
  80                                                                         } );\r
  81                                                         }\r
  82 \r
  83                                                         // Reset the holder element and append the\r
  84                                                         // <textarea> to it.\r
  85                                                         holderElement.setHtml( '' );\r
  86                                                         holderElement.append( textarea );\r
  87                                                         textarea.setStyles( styles );\r
  88 \r
  89                                                         // The editor data "may be dirty" after this point.\r
  90                                                         editor.mayBeDirty = true;\r
  91 \r
  92                                                         // Set the <textarea> value.\r
  93                                                         this.loadData( data );\r
  94 \r
  95                                                         var keystrokeHandler = editor.keystrokeHandler;\r
  96                                                         if ( keystrokeHandler )\r
  97                                                                 keystrokeHandler.attach( textarea );\r
  98 \r
  99                                                         setTimeout( function()\r
 100                                                         {\r
 101                                                                 editor.mode = 'source';\r
 102                                                                 editor.fire( 'mode' );\r
 103                                                         },\r
 104                                                         ( CKEDITOR.env.gecko || CKEDITOR.env.webkit ) ? 100 : 0 );\r
 105                                                 },\r
 106 \r
 107                                                 loadData : function( data )\r
 108                                                 {\r
 109                                                         textarea.setValue( data );\r
 110                                                 },\r
 111 \r
 112                                                 getData : function()\r
 113                                                 {\r
 114                                                         return textarea.getValue();\r
 115                                                 },\r
 116 \r
 117                                                 getSnapshotData : function()\r
 118                                                 {\r
 119                                                         return textarea.getValue();\r
 120                                                 },\r
 121 \r
 122                                                 unload : function( holderElement )\r
 123                                                 {\r
 124                                                         editor.textarea = textarea = null;\r
 125 \r
 126                                                         if ( onResize )\r
 127                                                                 editor.removeListener( 'resize', onResize );\r
 128 \r
 129                                                         if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )\r
 130                                                                 holderElement.removeStyle( 'position' );\r
 131                                                 },\r
 132 \r
 133                                                 focus : function()\r
 134                                                 {\r
 135                                                         textarea.focus();\r
 136                                                 }\r
 137                                         });\r
 138                         });\r
 139 \r
 140                 editor.addCommand( 'source', sourcearea.commands.source );\r
 141 \r
 142                 if ( editor.ui.addButton )\r
 143                 {\r
 144                         editor.ui.addButton( 'Source',\r
 145                                 {\r
 146                                         label : editor.lang.source,\r
 147                                         command : 'source'\r
 148                                 });\r
 149                 }\r
 150 \r
 151                 editor.on( 'mode', function()\r
 152                         {\r
 153                                 editor.getCommand( 'source' ).setState(\r
 154                                         editor.mode == 'source' ?\r
 155                                                 CKEDITOR.TRISTATE_ON :\r
 156                                                 CKEDITOR.TRISTATE_OFF );\r
 157                         });\r
 158         }\r
 159 });\r
 160 \r
 161 /**\r
 162  * Holds the definition of commands an UI elements included with the sourcearea\r
 163  * plugin.\r
 164  * @example\r
 165  */\r
 166 CKEDITOR.plugins.sourcearea =\r
 167 {\r
 168         commands :\r
 169         {\r
 170                 source :\r
 171                 {\r
 172                         modes : { wysiwyg:1, source:1 },\r
 173 \r
 174                         exec : function( editor )\r
 175                         {\r
 176                                 if ( editor.mode == 'wysiwyg' )\r
 177                                         editor.fire( 'saveSnapshot' );\r
 178                                 editor.getCommand( 'source' ).setState( CKEDITOR.TRISTATE_DISABLED );\r
 179                                 editor.setMode( editor.mode == 'source' ? 'wysiwyg' : 'source' );\r
 180                         },\r
 181 \r
 182                         canUndo : false\r
 183                 }\r
 184         }\r
 185 };\r