_source/plugins/pastefromword/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 (function()
   6 {
   7         function forceHtmlMode( evt ) { evt.data.mode = 'html'; }
   8
   9         CKEDITOR.plugins.add( 'pastefromword',
  10         {
  11                 init : function( editor )
  12                 {
  13
  14                         // Flag indicate this command is actually been asked instead of a generic
  15                         // pasting.
  16                         var forceFromWord = 0;
  17                         var resetFromWord = function( evt )
  18                                 {
  19                                         evt && evt.removeListener();
  20                                         editor.removeListener( 'beforePaste', forceHtmlMode );
  21                                         forceFromWord && setTimeout( function() { forceFromWord = 0; }, 0 );
  22                                 };
  23
  24                         // Features bring by this command beside the normal process:
  25                         // 1. No more bothering of user about the clean-up.
  26                         // 2. Perform the clean-up even if content is not from MS-Word.
  27                         // (e.g. from a MS-Word similar application.)
  28                         editor.addCommand( 'pastefromword',
  29                         {
  30                                 canUndo : false,
  31                                 exec : function()
  32                                 {
  33                                         // Ensure the received data format is HTML and apply content filtering. (#6718)
  34                                         forceFromWord = 1;
  35                                         editor.on( 'beforePaste', forceHtmlMode );
  36
  37                                         if ( editor.execCommand( 'paste', 'html' ) === false )
  38                                         {
  39                                                 editor.on( 'dialogShow', function ( evt )
  40                                                 {
  41                                                         evt.removeListener();
  42                                                         evt.data.on( 'cancel', resetFromWord );
  43                                                 });
  44
  45                                                 editor.on( 'dialogHide', function( evt )
  46                                                 {
  47                                                         evt.data.removeListener( 'cancel', resetFromWord );
  48                                                 } );
  49                                         }
  50
  51                                         editor.on( 'afterPaste', resetFromWord );
  52                                 }
  53                         });
  54
  55                         // Register the toolbar button.
  56                         editor.ui.addButton( 'PasteFromWord',
  57                                 {
  58                                         label : editor.lang.pastefromword.toolbar,
  59                                         command : 'pastefromword'
  60                                 });
  61
  62                         editor.on( 'pasteState', function( evt )
  63                                 {
  64                                         editor.getCommand( 'pastefromword' ).setState( evt.data );
  65                                 });
  66
  67                         editor.on( 'paste', function( evt )
  68                         {
  69                                 var data = evt.data,
  70                                         mswordHtml;
  71
  72                                 // MS-WORD format sniffing.
  73                                 if ( ( mswordHtml = data[ 'html' ] )
  74                                          && ( forceFromWord || ( /(class=\"?Mso|style=\"[^\"]*\bmso\-|w:WordDocument)/ ).test( mswordHtml ) ) )
  75                                 {
  76                                         var isLazyLoad = this.loadFilterRules( function()
  77                                                 {
  78                                                         // Event continuation with the original data.
  79                                                         if ( isLazyLoad )
  80                                                                 editor.fire( 'paste', data );
  81                                                         else if ( !editor.config.pasteFromWordPromptCleanup
  82                                                           || ( forceFromWord || confirm( editor.lang.pastefromword.confirmCleanup ) ) )
  83                                                          {
  84                                                                 data[ 'html' ] = CKEDITOR.cleanWord( mswordHtml, editor );
  85                                                         }
  86                                                 });
  87
  88                                         // The cleanup rules are to be loaded, we should just cancel
  89                                         // this event.
  90                                         isLazyLoad && evt.cancel();
  91                                 }
  92                         }, this );
  93                 },
  94
  95                 loadFilterRules : function( callback )
  96                 {
  97
  98                         var isLoaded = CKEDITOR.cleanWord;
  99
 100                         if ( isLoaded )
 101                                 callback();
 102                         else
 103                         {
 104                                 var filterFilePath = CKEDITOR.getUrl(
 105                                                 CKEDITOR.config.pasteFromWordCleanupFile
 106                                                 || ( this.path + 'filter/default.js' ) );
 107
 108                                 // Load with busy indicator.
 109                                 CKEDITOR.scriptLoader.load( filterFilePath, callback, null, true );
 110                         }
 111
 112                         return !isLoaded;
 113                 },
 114
 115                 requires : [ 'clipboard' ]
 116         });
 117 })();
 118
 119 /**
 120  * Whether to prompt the user about the clean up of content being pasted from
 121  * MS Word.
 122  * @name CKEDITOR.config.pasteFromWordPromptCleanup
 123  * @since 3.1
 124  * @type Boolean
 125  * @default undefined
 126  * @example
 127  * config.pasteFromWordPromptCleanup = true;
 128  */
 129
 130 /**
 131  * The file that provides the MS Word cleanup function for pasting operations.
 132  * Note: This is a global configuration shared by all editor instances present
 133  * in the page.
 134  * @name CKEDITOR.config.pasteFromWordCleanupFile
 135  * @since 3.1
 136  * @type String
 137  * @default 'default'
 138  * @example
 139  * // Load from 'pastefromword' plugin 'filter' sub folder (custom.js file).
 140  * CKEDITOR.config.pasteFromWordCleanupFile = 'custom';
 141  */