_source/plugins/sourcearea/plugin.js

   1 /*\r
   2 Copyright (c) 2003-2010, 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                         win = CKEDITOR.document.getWindow();\r
  19 \r
  20                 editor.on( 'editingBlockReady', function()\r
  21                         {\r
  22                                 var textarea,\r
  23                                         onResize;\r
  24 \r
  25                                 editor.addMode( 'source',\r
  26                                         {\r
  27                                                 load : function( holderElement, data )\r
  28                                                 {\r
  29                                                         if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )\r
  30                                                                 holderElement.setStyle( 'position', 'relative' );\r
  31 \r
  32                                                         // Create the source area <textarea>.\r
  33                                                         editor.textarea = textarea = new CKEDITOR.dom.element( 'textarea' );\r
  34                                                         textarea.setAttributes(\r
  35                                                                 {\r
  36                                                                         dir : 'ltr',\r
  37                                                                         tabIndex : -1\r
  38                                                                 });\r
  39                                                         textarea.addClass( 'cke_source' );\r
  40                                                         textarea.addClass( 'cke_enable_context_menu' );\r
  41 \r
  42                                                         var styles =\r
  43                                                         {\r
  44                                                                 // IE7 has overflow the <textarea> from wrapping table cell.\r
  45                                                                 width   : CKEDITOR.env.ie7Compat ?  '99%' : '100%',\r
  46                                                                 height  : '100%',\r
  47                                                                 resize  : 'none',\r
  48                                                                 outline : 'none',\r
  49                                                                 'text-align' : 'left'\r
  50                                                         };\r
  51 \r
  52                                                         // Having to make <textarea> fixed sized to conque the following bugs:\r
  53                                                         // 1. The textarea height/width='100%' doesn't constraint to the 'td' in IE6/7.\r
  54                                                         // 2. Unexpected vertical-scrolling behavior happens whenever focus is moving out of editor\r
  55                                                         // if text content within it has overflowed. (#4762)\r
  56                                                         if ( CKEDITOR.env.ie )\r
  57                                                         {\r
  58                                                                 onResize = function()\r
  59                                                                 {\r
  60                                                                         // Holder rectange size is stretched by textarea,\r
  61                                                                         // so hide it just for a moment.\r
  62                                                                         textarea.hide();\r
  63                                                                         textarea.setStyle( 'height', holderElement.$.clientHeight + 'px' );\r
  64                                                                         textarea.setStyle( 'width', holderElement.$.clientWidth + 'px' );\r
  65                                                                         // When we have proper holder size, show textarea again.\r
  66                                                                         textarea.show();\r
  67                                                                 };\r
  68 \r
  69                                                                 editor.on( 'resize', onResize );\r
  70                                                                 win.on( 'resize', onResize );\r
  71                                                                 setTimeout( onResize, 0 );\r
  72                                                         }\r
  73                                                         else\r
  74                                                         {\r
  75                                                                 // By some yet unknown reason, we must stop the\r
  76                                                                 // mousedown propagation for the textarea,\r
  77                                                                 // otherwise it's not possible to place the caret\r
  78                                                                 // inside of it (non IE).\r
  79                                                                 textarea.on( 'mousedown', function( evt )\r
  80                                                                         {\r
  81                                                                                 evt.data.stopPropagation();\r
  82                                                                         } );\r
  83                                                         }\r
  84 \r
  85                                                         // Reset the holder element and append the\r
  86                                                         // <textarea> to it.\r
  87                                                         holderElement.setHtml( '' );\r
  88                                                         holderElement.append( textarea );\r
  89                                                         textarea.setStyles( styles );\r
  90 \r
  91                                                         textarea.on( 'blur', function()\r
  92                                                                 {\r
  93                                                                         editor.focusManager.blur();\r
  94                                                                 });\r
  95 \r
  96                                                         textarea.on( 'focus', function()\r
  97                                                                 {\r
  98                                                                         editor.focusManager.focus();\r
  99                                                                 });\r
 100 \r
 101                                                         // The editor data "may be dirty" after this point.\r
 102                                                         editor.mayBeDirty = true;\r
 103 \r
 104                                                         // Set the <textarea> value.\r
 105                                                         this.loadData( data );\r
 106 \r
 107                                                         var keystrokeHandler = editor.keystrokeHandler;\r
 108                                                         if ( keystrokeHandler )\r
 109                                                                 keystrokeHandler.attach( textarea );\r
 110 \r
 111                                                         setTimeout( function()\r
 112                                                         {\r
 113                                                                 editor.mode = 'source';\r
 114                                                                 editor.fire( 'mode' );\r
 115                                                         },\r
 116                                                         ( CKEDITOR.env.gecko || CKEDITOR.env.webkit ) ? 100 : 0 );\r
 117                                                 },\r
 118 \r
 119                                                 loadData : function( data )\r
 120                                                 {\r
 121                                                         textarea.setValue( data );\r
 122                                                         editor.fire( 'dataReady' );\r
 123                                                 },\r
 124 \r
 125                                                 getData : function()\r
 126                                                 {\r
 127                                                         return textarea.getValue();\r
 128                                                 },\r
 129 \r
 130                                                 getSnapshotData : function()\r
 131                                                 {\r
 132                                                         return textarea.getValue();\r
 133                                                 },\r
 134 \r
 135                                                 unload : function( holderElement )\r
 136                                                 {\r
 137                                                         editor.textarea = textarea = null;\r
 138 \r
 139                                                         if ( onResize )\r
 140                                                         {\r
 141                                                                 editor.removeListener( 'resize', onResize );\r
 142                                                                 win.removeListener( 'resize', onResize );\r
 143                                                         }\r
 144 \r
 145                                                         if ( CKEDITOR.env.ie && CKEDITOR.env.version < 8 )\r
 146                                                                 holderElement.removeStyle( 'position' );\r
 147                                                 },\r
 148 \r
 149                                                 focus : function()\r
 150                                                 {\r
 151                                                         textarea.focus();\r
 152                                                 }\r
 153                                         });\r
 154                         });\r
 155 \r
 156                 editor.addCommand( 'source', sourcearea.commands.source );\r
 157 \r
 158                 if ( editor.ui.addButton )\r
 159                 {\r
 160                         editor.ui.addButton( 'Source',\r
 161                                 {\r
 162                                         label : editor.lang.source,\r
 163                                         command : 'source'\r
 164                                 });\r
 165                 }\r
 166 \r
 167                 editor.on( 'mode', function()\r
 168                         {\r
 169                                 editor.getCommand( 'source' ).setState(\r
 170                                         editor.mode == 'source' ?\r
 171                                                 CKEDITOR.TRISTATE_ON :\r
 172                                                 CKEDITOR.TRISTATE_OFF );\r
 173                         });\r
 174         }\r
 175 });\r
 176 \r
 177 /**\r
 178  * Holds the definition of commands an UI elements included with the sourcearea\r
 179  * plugin.\r
 180  * @example\r
 181  */\r
 182 CKEDITOR.plugins.sourcearea =\r
 183 {\r
 184         commands :\r
 185         {\r
 186                 source :\r
 187                 {\r
 188                         modes : { wysiwyg:1, source:1 },\r
 189 \r
 190                         exec : function( editor )\r
 191                         {\r
 192                                 if ( editor.mode == 'wysiwyg' )\r
 193                                         editor.fire( 'saveSnapshot' );\r
 194                                 editor.getCommand( 'source' ).setState( CKEDITOR.TRISTATE_DISABLED );\r
 195                                 editor.setMode( editor.mode == 'source' ? 'wysiwyg' : 'source' );\r
 196                         },\r
 197 \r
 198                         canUndo : false\r
 199                 }\r
 200         }\r
 201 };\r