[2] | 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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