_source/plugins/link/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 CKEDITOR.plugins.add( 'link',\r
   7 {\r
   8         init : function( editor )\r
   9         {\r
  10                 // Add the link and unlink buttons.\r
  11                 editor.addCommand( 'link', new CKEDITOR.dialogCommand( 'link' ) );\r
  12                 editor.addCommand( 'anchor', new CKEDITOR.dialogCommand( 'anchor' ) );\r
  13                 editor.addCommand( 'unlink', new CKEDITOR.unlinkCommand() );\r
  14                 editor.ui.addButton( 'Link',\r
  15                         {\r
  16                                 label : editor.lang.link.toolbar,\r
  17                                 command : 'link'\r
  18                         } );\r
  19                 editor.ui.addButton( 'Unlink',\r
  20                         {\r
  21                                 label : editor.lang.unlink,\r
  22                                 command : 'unlink'\r
  23                         } );\r
  24                 editor.ui.addButton( 'Anchor',\r
  25                         {\r
  26                                 label : editor.lang.anchor.toolbar,\r
  27                                 command : 'anchor'\r
  28                         } );\r
  29                 CKEDITOR.dialog.add( 'link', this.path + 'dialogs/link.js' );\r
  30                 CKEDITOR.dialog.add( 'anchor', this.path + 'dialogs/anchor.js' );\r
  31 \r
  32                 // Add the CSS styles for anchor placeholders.\r
  33                 editor.addCss(\r
  34                         'img.cke_anchor' +\r
  35                         '{' +\r
  36                                 'background-image: url(' + CKEDITOR.getUrl( this.path + 'images/anchor.gif' ) + ');' +\r
  37                                 'background-position: center center;' +\r
  38                                 'background-repeat: no-repeat;' +\r
  39                                 'border: 1px solid #a9a9a9;' +\r
  40                                 'width: 18px;' +\r
  41                                 'height: 18px;' +\r
  42                         '}\n' +\r
  43                         'a.cke_anchor' +\r
  44                         '{' +\r
  45                                 'background-image: url(' + CKEDITOR.getUrl( this.path + 'images/anchor.gif' ) + ');' +\r
  46                                 'background-position: 0 center;' +\r
  47                                 'background-repeat: no-repeat;' +\r
  48                                 'border: 1px solid #a9a9a9;' +\r
  49                                 'padding-left: 18px;' +\r
  50                         '}'\r
  51                         );\r
  52 \r
  53                 // Register selection change handler for the unlink button.\r
  54                  editor.on( 'selectionChange', function( evt )\r
  55                         {\r
  56                                 /*\r
  57                                  * Despite our initial hope, document.queryCommandEnabled() does not work\r
  58                                  * for this in Firefox. So we must detect the state by element paths.\r
  59                                  */\r
  60                                 var command = editor.getCommand( 'unlink' ),\r
  61                                         element = evt.data.path.lastElement.getAscendant( 'a', true );\r
  62                                 if ( element && element.getName() == 'a' && element.getAttribute( 'href' ) )\r
  63                                         command.setState( CKEDITOR.TRISTATE_OFF );\r
  64                                 else\r
  65                                         command.setState( CKEDITOR.TRISTATE_DISABLED );\r
  66                         } );\r
  67 \r
  68                 // If the "menu" plugin is loaded, register the menu items.\r
  69                 if ( editor.addMenuItems )\r
  70                 {\r
  71                         editor.addMenuItems(\r
  72                                 {\r
  73                                         anchor :\r
  74                                         {\r
  75                                                 label : editor.lang.anchor.menu,\r
  76                                                 command : 'anchor',\r
  77                                                 group : 'anchor'\r
  78                                         },\r
  79 \r
  80                                         link :\r
  81                                         {\r
  82                                                 label : editor.lang.link.menu,\r
  83                                                 command : 'link',\r
  84                                                 group : 'link',\r
  85                                                 order : 1\r
  86                                         },\r
  87 \r
  88                                         unlink :\r
  89                                         {\r
  90                                                 label : editor.lang.unlink,\r
  91                                                 command : 'unlink',\r
  92                                                 group : 'link',\r
  93                                                 order : 5\r
  94                                         }\r
  95                                 });\r
  96                 }\r
  97 \r
  98                 // If the "contextmenu" plugin is loaded, register the listeners.\r
  99                 if ( editor.contextMenu )\r
 100                 {\r
 101                         editor.contextMenu.addListener( function( element, selection )\r
 102                                 {\r
 103                                         if ( !element )\r
 104                                                 return null;\r
 105 \r
 106                                         var isAnchor = ( element.is( 'img' ) && element.getAttribute( '_cke_real_element_type' ) == 'anchor' );\r
 107 \r
 108                                         if ( !isAnchor )\r
 109                                         {\r
 110                                                 if ( !( element = element.getAscendant( 'a', true ) ) )\r
 111                                                         return null;\r
 112 \r
 113                                                 isAnchor = ( element.getAttribute( 'name' ) && !element.getAttribute( 'href' ) );\r
 114                                         }\r
 115 \r
 116                                         return isAnchor ?\r
 117                                                         { anchor : CKEDITOR.TRISTATE_OFF } :\r
 118                                                         { link : CKEDITOR.TRISTATE_OFF, unlink : CKEDITOR.TRISTATE_OFF };\r
 119                                 });\r
 120                 }\r
 121         },\r
 122 \r
 123         afterInit : function( editor )\r
 124         {\r
 125                 // Register a filter to displaying placeholders after mode change.\r
 126 \r
 127                 var dataProcessor = editor.dataProcessor,\r
 128                         dataFilter = dataProcessor && dataProcessor.dataFilter;\r
 129 \r
 130                 if ( dataFilter )\r
 131                 {\r
 132                         dataFilter.addRules(\r
 133                                 {\r
 134                                         elements :\r
 135                                         {\r
 136                                                 a : function( element )\r
 137                                                 {\r
 138                                                         var attributes = element.attributes;\r
 139                                                         if ( attributes.name && !attributes.href )\r
 140                                                                 return editor.createFakeParserElement( element, 'cke_anchor', 'anchor' );\r
 141                                                 }\r
 142                                         }\r
 143                                 });\r
 144                 }\r
 145         },\r
 146 \r
 147         requires : [ 'fakeobjects' ]\r
 148 } );\r
 149 \r
 150 CKEDITOR.unlinkCommand = function(){};\r
 151 CKEDITOR.unlinkCommand.prototype =\r
 152 {\r
 153         /** @ignore */\r
 154         exec : function( editor )\r
 155         {\r
 156                 /*\r
 157                  * execCommand( 'unlink', ... ) in Firefox leaves behind <span> tags at where\r
 158                  * the <a> was, so again we have to remove the link ourselves. (See #430)\r
 159                  *\r
 160                  * TODO: Use the style system when it's complete. Let's use execCommand()\r
 161                  * as a stopgap solution for now.\r
 162                  */\r
 163                 var selection = editor.getSelection(),\r
 164                         bookmarks = selection.createBookmarks(),\r
 165                         ranges = selection.getRanges(),\r
 166                         rangeRoot,\r
 167                         element;\r
 168 \r
 169                 for ( var i = 0 ; i < ranges.length ; i++ )\r
 170                 {\r
 171                         rangeRoot = ranges[i].getCommonAncestor( true );\r
 172                         element = rangeRoot.getAscendant( 'a', true );\r
 173                         if ( !element )\r
 174                                 continue;\r
 175                         ranges[i].selectNodeContents( element );\r
 176                 }\r
 177 \r
 178                 selection.selectRanges( ranges );\r
 179                 editor.document.$.execCommand( 'unlink', false, null );\r
 180                 selection.selectBookmarks( bookmarks );\r
 181         }\r
 182 };\r
 183 \r
 184 CKEDITOR.tools.extend( CKEDITOR.config,\r
 185 {\r
 186         linkShowAdvancedTab : true,\r
 187         linkShowTargetTab : true\r
 188 } );\r