_source/plugins/pastetext/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 Paste as plain text plugin
   8  */
   9
  10 (function()
  11 {
  12         // The pastetext command definition.
  13         var pasteTextCmd =
  14         {
  15                 exec : function( editor )
  16                 {
  17                         var clipboardText = CKEDITOR.tools.tryThese(
  18                                 function()
  19                                 {
  20                                         var clipboardText = window.clipboardData.getData( 'Text' );
  21                                         if ( !clipboardText )
  22                                                 throw 0;
  23                                         return clipboardText;
  24                                 }
  25                                 // Any other approach that's working...
  26                                 );
  27
  28                         if ( !clipboardText )   // Clipboard access privilege is not granted.
  29                         {
  30                                 editor.openDialog( 'pastetext' );
  31                                 return false;
  32                         }
  33                         else
  34                                 editor.fire( 'paste', { 'text' : clipboardText } );
  35
  36                         return true;
  37                 }
  38         };
  39
  40         // Register the plugin.
  41         CKEDITOR.plugins.add( 'pastetext',
  42         {
  43                 init : function( editor )
  44                 {
  45                         var commandName = 'pastetext',
  46                                 command = editor.addCommand( commandName, pasteTextCmd );
  47
  48                         editor.ui.addButton( 'PasteText',
  49                                 {
  50                                         label : editor.lang.pasteText.button,
  51                                         command : commandName
  52                                 });
  53
  54                         CKEDITOR.dialog.add( commandName, CKEDITOR.getUrl( this.path + 'dialogs/pastetext.js' ) );
  55
  56                         if ( editor.config.forcePasteAsPlainText )
  57                         {
  58                                 // Intercept the default pasting process.
  59                                 editor.on( 'beforeCommandExec', function ( evt )
  60                                 {
  61                                         var mode = evt.data.commandData;
  62                                         // Do NOT overwrite if HTML format is explicitly requested.
  63                                         if ( evt.data.name == 'paste' && mode != 'html' )
  64                                         {
  65                                                 editor.execCommand( 'pastetext' );
  66                                                 evt.cancel();
  67                                         }
  68                                 }, null, null, 0 );
  69
  70                                 editor.on( 'beforePaste', function( evt )
  71                                 {
  72                                         evt.data.mode = 'text';
  73                                 });
  74                         }
  75
  76                         editor.on( 'pasteState', function( evt )
  77                                 {
  78                                         editor.getCommand( 'pastetext' ).setState( evt.data );
  79                                 });
  80                 },
  81
  82                 requires : [ 'clipboard' ]
  83         });
  84
  85 })();
  86
  87
  88 /**
  89  * Whether to force all pasting operations to insert on plain text into the
  90  * editor, loosing any formatting information possibly available in the source
  91  * text.
  92  * <strong>Note:</strong> paste from word is not affected by this configuration.
  93  * @name CKEDITOR.config.forcePasteAsPlainText
  94  * @type Boolean
  95  * @default false
  96  * @example
  97  * config.forcePasteAsPlainText = true;
  98  */