[389] | 1 | /* |
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| 2 | * FCKeditor - The text editor for internet |
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| 3 | * Copyright (C) 2003-2006 Frederico Caldeira Knabben |
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| 4 | * |
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| 5 | * Licensed under the terms of the GNU Lesser General Public License: |
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| 6 | * http://www.opensource.org/licenses/lgpl-license.php |
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| 7 | * |
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| 8 | * For further information visit: |
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| 9 | * http://www.fckeditor.net/ |
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| 10 | * |
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| 11 | * "Support Open Source software. What about a donation today?" |
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| 12 | * |
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| 13 | * File Name: fckplugin.js |
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| 14 | * Plugin to insert "Placeholders" in the editor. |
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| 15 | * |
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| 16 | * File Authors: |
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| 17 | * Frederico Caldeira Knabben (fredck@fckeditor.net) |
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| 18 | */ |
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| 19 | |
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| 20 | // Register the related command. |
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| 21 | FCKCommands.RegisterCommand( 'Placeholder', new FCKDialogCommand( 'Placeholder', FCKLang.PlaceholderDlgTitle, FCKPlugins.Items['placeholder'].Path + 'fck_placeholder.html', 340, 170 ) ) ; |
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| 22 | |
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| 23 | // Create the "Plaholder" toolbar button. |
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| 24 | var oPlaceholderItem = new FCKToolbarButton( 'Placeholder', FCKLang.PlaceholderBtn ) ; |
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| 25 | oPlaceholderItem.IconPath = FCKPlugins.Items['placeholder'].Path + 'placeholder.gif' ; |
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| 26 | |
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| 27 | FCKToolbarItems.RegisterItem( 'Placeholder', oPlaceholderItem ) ; |
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| 28 | |
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| 29 | |
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| 30 | // The object used for all Placeholder operations. |
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| 31 | var FCKPlaceholders = new Object() ; |
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| 32 | |
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| 33 | // Add a new placeholder at the actual selection. |
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| 34 | FCKPlaceholders.Add = function( name ) |
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| 35 | { |
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| 36 | var oSpan = FCK.CreateElement( 'SPAN' ) ; |
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| 37 | this.SetupSpan( oSpan, name ) ; |
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| 38 | } |
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| 39 | |
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| 40 | FCKPlaceholders.SetupSpan = function( span, name ) |
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| 41 | { |
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| 42 | span.innerHTML = '[[ ' + name + ' ]]' ; |
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| 43 | |
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| 44 | span.style.backgroundColor = '#ffff00' ; |
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| 45 | span.style.color = '#000000' ; |
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| 46 | |
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| 47 | if ( FCKBrowserInfo.IsGecko ) |
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| 48 | span.style.cursor = 'default' ; |
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| 49 | |
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| 50 | span._fckplaceholder = name ; |
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| 51 | span.contentEditable = false ; |
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| 52 | |
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| 53 | // To avoid it to be resized. |
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| 54 | span.onresizestart = function() |
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| 55 | { |
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| 56 | FCK.EditorWindow.event.returnValue = false ; |
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| 57 | return false ; |
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| 58 | } |
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| 59 | } |
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| 60 | |
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| 61 | // On Gecko we must do this trick so the user select all the SPAN when clicking on it. |
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| 62 | FCKPlaceholders._SetupClickListener = function() |
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| 63 | { |
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| 64 | FCKPlaceholders._ClickListener = function( e ) |
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| 65 | { |
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| 66 | if ( e.target.tagName == 'SPAN' && e.target._fckplaceholder ) |
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| 67 | FCKSelection.SelectNode( e.target ) ; |
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| 68 | } |
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| 69 | |
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| 70 | FCK.EditorDocument.addEventListener( 'click', FCKPlaceholders._ClickListener, true ) ; |
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| 71 | } |
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| 72 | |
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| 73 | // Open the Placeholder dialog on double click. |
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| 74 | FCKPlaceholders.OnDoubleClick = function( span ) |
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| 75 | { |
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| 76 | if ( span.tagName == 'SPAN' && span._fckplaceholder ) |
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| 77 | FCKCommands.GetCommand( 'Placeholder' ).Execute() ; |
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| 78 | } |
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| 79 | |
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| 80 | FCK.RegisterDoubleClickHandler( FCKPlaceholders.OnDoubleClick, 'SPAN' ) ; |
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| 81 | |
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| 82 | // Check if a Placholder name is already in use. |
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| 83 | FCKPlaceholders.Exist = function( name ) |
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| 84 | { |
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| 85 | var aSpans = FCK.EditorDocument.getElementsByTagName( 'SPAN' ) |
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| 86 | |
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| 87 | for ( var i = 0 ; i < aSpans.length ; i++ ) |
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| 88 | { |
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| 89 | if ( aSpans[i]._fckplaceholder == name ) |
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| 90 | return true ; |
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| 91 | } |
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| 92 | } |
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| 93 | |
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| 94 | if ( FCKBrowserInfo.IsIE ) |
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| 95 | { |
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| 96 | FCKPlaceholders.Redraw = function() |
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| 97 | { |
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| 98 | var aPlaholders = FCK.EditorDocument.body.innerText.match( /\[\[[^\[\]]+\]\]/g ) ; |
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| 99 | if ( !aPlaholders ) |
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| 100 | return ; |
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| 101 | |
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| 102 | var oRange = FCK.EditorDocument.body.createTextRange() ; |
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| 103 | |
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| 104 | for ( var i = 0 ; i < aPlaholders.length ; i++ ) |
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| 105 | { |
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| 106 | if ( oRange.findText( aPlaholders[i] ) ) |
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| 107 | { |
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| 108 | var sName = aPlaholders[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ; |
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| 109 | oRange.pasteHTML( '<span style="color: #000000; background-color: #ffff00" contenteditable="false" _fckplaceholder="' + sName + '">' + aPlaholders[i] + '</span>' ) ; |
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| 110 | } |
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| 111 | } |
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| 112 | } |
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| 113 | } |
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| 114 | else |
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| 115 | { |
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| 116 | FCKPlaceholders.Redraw = function() |
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| 117 | { |
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| 118 | var oInteractor = FCK.EditorDocument.createTreeWalker( FCK.EditorDocument.body, NodeFilter.SHOW_TEXT, FCKPlaceholders._AcceptNode, true ) ; |
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| 119 | |
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| 120 | var aNodes = new Array() ; |
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| 121 | |
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| 122 | while ( oNode = oInteractor.nextNode() ) |
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| 123 | { |
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| 124 | aNodes[ aNodes.length ] = oNode ; |
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| 125 | } |
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| 126 | |
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| 127 | for ( var n = 0 ; n < aNodes.length ; n++ ) |
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| 128 | { |
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| 129 | var aPieces = aNodes[n].nodeValue.split( /(\[\[[^\[\]]+\]\])/g ) ; |
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| 130 | |
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| 131 | for ( var i = 0 ; i < aPieces.length ; i++ ) |
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| 132 | { |
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| 133 | if ( aPieces[i].length > 0 ) |
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| 134 | { |
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| 135 | if ( aPieces[i].indexOf( '[[' ) == 0 ) |
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| 136 | { |
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| 137 | var sName = aPieces[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ; |
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| 138 | |
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| 139 | var oSpan = FCK.EditorDocument.createElement( 'span' ) ; |
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| 140 | FCKPlaceholders.SetupSpan( oSpan, sName ) ; |
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| 141 | |
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| 142 | aNodes[n].parentNode.insertBefore( oSpan, aNodes[n] ) ; |
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| 143 | } |
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| 144 | else |
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| 145 | aNodes[n].parentNode.insertBefore( FCK.EditorDocument.createTextNode( aPieces[i] ) , aNodes[n] ) ; |
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| 146 | } |
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| 147 | } |
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| 148 | |
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| 149 | aNodes[n].parentNode.removeChild( aNodes[n] ) ; |
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| 150 | } |
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| 151 | |
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| 152 | FCKPlaceholders._SetupClickListener() ; |
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| 153 | } |
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| 154 | |
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| 155 | FCKPlaceholders._AcceptNode = function( node ) |
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| 156 | { |
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| 157 | if ( /\[\[[^\[\]]+\]\]/.test( node.nodeValue ) ) |
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| 158 | return NodeFilter.FILTER_ACCEPT ; |
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| 159 | else |
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| 160 | return NodeFilter.FILTER_SKIP ; |
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| 161 | } |
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| 162 | } |
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| 163 | |
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| 164 | FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKPlaceholders.Redraw ) ; |
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| 165 | |
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| 166 | // We must process the SPAN tags to replace then with the real resulting value of the placeholder. |
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| 167 | FCKXHtml.TagProcessors['span'] = function( node, htmlNode ) |
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| 168 | { |
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| 169 | if ( htmlNode._fckplaceholder ) |
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| 170 | node = FCKXHtml.XML.createTextNode( '[[' + htmlNode._fckplaceholder + ']]' ) ; |
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| 171 | else |
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| 172 | FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; |
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| 173 | |
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| 174 | return node ; |
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| 175 | } |
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