1 | /*
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2 | * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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3 | * Copyright (C) 2003-2009 Frederico Caldeira Knabben
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4 | *
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5 | * == BEGIN LICENSE ==
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6 | *
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7 | * Licensed under the terms of any of the following licenses at your
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8 | * choice:
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9 | *
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10 | * - GNU General Public License Version 2 or later (the "GPL")
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11 | * http://www.gnu.org/licenses/gpl.html
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12 | *
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13 | * - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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14 | * http://www.gnu.org/licenses/lgpl.html
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15 | *
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16 | * - Mozilla Public License Version 1.1 or later (the "MPL")
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17 | * http://www.mozilla.org/MPL/MPL-1.1.html
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18 | *
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19 | * == END LICENSE ==
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20 | *
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21 | * Plugin to insert "Placeholders" in the editor.
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22 | */
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23 |
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24 | // Register the related command.
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25 | FCKCommands.RegisterCommand( 'Placeholder', new FCKDialogCommand( 'Placeholder', FCKLang.PlaceholderDlgTitle, FCKPlugins.Items['placeholder'].Path + 'fck_placeholder.html', 340, 160 ) ) ;
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26 |
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27 | // Create the "Plaholder" toolbar button.
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28 | var oPlaceholderItem = new FCKToolbarButton( 'Placeholder', FCKLang.PlaceholderBtn ) ;
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29 | oPlaceholderItem.IconPath = FCKPlugins.Items['placeholder'].Path + 'placeholder.gif' ;
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30 |
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31 | FCKToolbarItems.RegisterItem( 'Placeholder', oPlaceholderItem ) ;
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32 |
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33 |
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34 | // The object used for all Placeholder operations.
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35 | var FCKPlaceholders = new Object() ;
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36 |
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37 | // Add a new placeholder at the actual selection.
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38 | FCKPlaceholders.Add = function( name )
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39 | {
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40 | var oSpan = FCK.InsertElement( 'span' ) ;
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41 | this.SetupSpan( oSpan, name ) ;
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42 | }
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43 |
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44 | FCKPlaceholders.SetupSpan = function( span, name )
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45 | {
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46 | span.innerHTML = '[[ ' + name + ' ]]' ;
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47 |
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48 | span.style.backgroundColor = '#ffff00' ;
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49 | span.style.color = '#000000' ;
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50 |
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51 | if ( FCKBrowserInfo.IsGecko )
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52 | span.style.cursor = 'default' ;
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53 |
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54 | span._fckplaceholder = name ;
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55 | span.contentEditable = false ;
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56 |
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57 | // To avoid it to be resized.
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58 | span.onresizestart = function()
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59 | {
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60 | FCK.EditorWindow.event.returnValue = false ;
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61 | return false ;
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62 | }
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63 | }
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64 |
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65 | // On Gecko we must do this trick so the user select all the SPAN when clicking on it.
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66 | FCKPlaceholders._SetupClickListener = function()
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67 | {
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68 | FCKPlaceholders._ClickListener = function( e )
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69 | {
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70 | if ( e.target.tagName == 'SPAN' && e.target._fckplaceholder )
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71 | FCKSelection.SelectNode( e.target ) ;
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72 | }
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73 |
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74 | FCK.EditorDocument.addEventListener( 'click', FCKPlaceholders._ClickListener, true ) ;
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75 | }
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76 |
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77 | // Open the Placeholder dialog on double click.
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78 | FCKPlaceholders.OnDoubleClick = function( span )
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79 | {
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80 | if ( span.tagName == 'SPAN' && span._fckplaceholder )
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81 | FCKCommands.GetCommand( 'Placeholder' ).Execute() ;
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82 | }
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83 |
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84 | FCK.RegisterDoubleClickHandler( FCKPlaceholders.OnDoubleClick, 'SPAN' ) ;
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85 |
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86 | // Check if a Placholder name is already in use.
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87 | FCKPlaceholders.Exist = function( name )
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88 | {
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89 | var aSpans = FCK.EditorDocument.getElementsByTagName( 'SPAN' ) ;
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90 |
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91 | for ( var i = 0 ; i < aSpans.length ; i++ )
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92 | {
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93 | if ( aSpans[i]._fckplaceholder == name )
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94 | return true ;
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95 | }
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96 |
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97 | return false ;
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98 | }
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99 |
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100 | if ( FCKBrowserInfo.IsIE )
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101 | {
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102 | FCKPlaceholders.Redraw = function()
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103 | {
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104 | if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
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105 | return ;
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106 |
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107 | var aPlaholders = FCK.EditorDocument.body.innerText.match( /\[\[[^\[\]]+\]\]/g ) ;
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108 | if ( !aPlaholders )
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109 | return ;
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110 |
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111 | var oRange = FCK.EditorDocument.body.createTextRange() ;
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112 |
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113 | for ( var i = 0 ; i < aPlaholders.length ; i++ )
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114 | {
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115 | if ( oRange.findText( aPlaholders[i] ) )
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116 | {
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117 | var sName = aPlaholders[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ;
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118 | oRange.pasteHTML( '<span style="color: #000000; background-color: #ffff00" contenteditable="false" _fckplaceholder="' + sName + '">' + aPlaholders[i] + '</span>' ) ;
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119 | }
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120 | }
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121 | }
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122 | }
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123 | else
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124 | {
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125 | FCKPlaceholders.Redraw = function()
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126 | {
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127 | if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
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128 | return ;
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129 |
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130 | var oInteractor = FCK.EditorDocument.createTreeWalker( FCK.EditorDocument.body, NodeFilter.SHOW_TEXT, FCKPlaceholders._AcceptNode, true ) ;
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131 |
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132 | var aNodes = new Array() ;
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133 |
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134 | while ( ( oNode = oInteractor.nextNode() ) )
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135 | {
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136 | aNodes[ aNodes.length ] = oNode ;
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137 | }
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138 |
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139 | for ( var n = 0 ; n < aNodes.length ; n++ )
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140 | {
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141 | var aPieces = aNodes[n].nodeValue.split( /(\[\[[^\[\]]+\]\])/g ) ;
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142 |
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143 | for ( var i = 0 ; i < aPieces.length ; i++ )
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144 | {
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145 | if ( aPieces[i].length > 0 )
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146 | {
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147 | if ( aPieces[i].indexOf( '[[' ) == 0 )
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148 | {
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149 | var sName = aPieces[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ;
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150 |
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151 | var oSpan = FCK.EditorDocument.createElement( 'span' ) ;
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152 | FCKPlaceholders.SetupSpan( oSpan, sName ) ;
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153 |
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154 | aNodes[n].parentNode.insertBefore( oSpan, aNodes[n] ) ;
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155 | }
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156 | else
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157 | aNodes[n].parentNode.insertBefore( FCK.EditorDocument.createTextNode( aPieces[i] ) , aNodes[n] ) ;
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158 | }
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159 | }
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160 |
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161 | aNodes[n].parentNode.removeChild( aNodes[n] ) ;
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162 | }
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163 |
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164 | FCKPlaceholders._SetupClickListener() ;
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165 | }
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166 |
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167 | FCKPlaceholders._AcceptNode = function( node )
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168 | {
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169 | if ( /\[\[[^\[\]]+\]\]/.test( node.nodeValue ) )
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170 | return NodeFilter.FILTER_ACCEPT ;
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171 | else
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172 | return NodeFilter.FILTER_SKIP ;
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173 | }
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174 | }
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175 |
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176 | FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKPlaceholders.Redraw ) ;
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177 |
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178 | // We must process the SPAN tags to replace then with the real resulting value of the placeholder.
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179 | FCKXHtml.TagProcessors['span'] = function( node, htmlNode )
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180 | {
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181 | if ( htmlNode._fckplaceholder )
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182 | node = FCKXHtml.XML.createTextNode( '[[' + htmlNode._fckplaceholder + ']]' ) ;
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183 | else
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184 | FCKXHtml._AppendChildNodes( node, htmlNode, false ) ;
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185 |
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186 | return node ;
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187 | }
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