2 * FCKeditor - The text editor for Internet - http://www.fckeditor.net
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3 * Copyright (C) 2003-2007 Frederico Caldeira Knabben
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5 * == BEGIN LICENSE ==
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7 * Licensed under the terms of any of the following licenses at your
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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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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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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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21 * Plugin to insert "Placeholders" in the editor.
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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, 170 ) ) ;
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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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31 FCKToolbarItems.RegisterItem( 'Placeholder', oPlaceholderItem ) ;
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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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37 // Add a new placeholder at the actual selection.
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38 FCKPlaceholders.Add = function( name )
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40 var oSpan = FCK.CreateElement( 'SPAN' ) ;
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41 this.SetupSpan( oSpan, name ) ;
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44 FCKPlaceholders.SetupSpan = function( span, name )
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46 span.innerHTML = '[[ ' + name + ' ]]' ;
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48 span.style.backgroundColor = '#ffff00' ;
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49 span.style.color = '#000000' ;
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51 if ( FCKBrowserInfo.IsGecko )
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52 span.style.cursor = 'default' ;
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54 span._fckplaceholder = name ;
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55 span.contentEditable = false ;
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57 // To avoid it to be resized.
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58 span.onresizestart = function()
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60 FCK.EditorWindow.event.returnValue = false ;
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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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68 FCKPlaceholders._ClickListener = function( e )
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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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74 FCK.EditorDocument.addEventListener( 'click', FCKPlaceholders._ClickListener, true ) ;
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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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80 if ( span.tagName == 'SPAN' && span._fckplaceholder )
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81 FCKCommands.GetCommand( 'Placeholder' ).Execute() ;
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84 FCK.RegisterDoubleClickHandler( FCKPlaceholders.OnDoubleClick, 'SPAN' ) ;
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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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89 var aSpans = FCK.EditorDocument.getElementsByTagName( 'SPAN' ) ;
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91 for ( var i = 0 ; i < aSpans.length ; i++ )
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93 if ( aSpans[i]._fckplaceholder == name )
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100 if ( FCKBrowserInfo.IsIE )
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102 FCKPlaceholders.Redraw = function()
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104 if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
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107 var aPlaholders = FCK.EditorDocument.body.innerText.match( /\[\[[^\[\]]+\]\]/g ) ;
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108 if ( !aPlaholders )
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111 var oRange = FCK.EditorDocument.body.createTextRange() ;
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113 for ( var i = 0 ; i < aPlaholders.length ; i++ )
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115 if ( oRange.findText( aPlaholders[i] ) )
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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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125 FCKPlaceholders.Redraw = function()
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127 if ( FCK.EditMode != FCK_EDITMODE_WYSIWYG )
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130 var oInteractor = FCK.EditorDocument.createTreeWalker( FCK.EditorDocument.body, NodeFilter.SHOW_TEXT, FCKPlaceholders._AcceptNode, true ) ;
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132 var aNodes = new Array() ;
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134 while ( ( oNode = oInteractor.nextNode() ) )
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136 aNodes[ aNodes.length ] = oNode ;
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139 for ( var n = 0 ; n < aNodes.length ; n++ )
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141 var aPieces = aNodes[n].nodeValue.split( /(\[\[[^\[\]]+\]\])/g ) ;
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143 for ( var i = 0 ; i < aPieces.length ; i++ )
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145 if ( aPieces[i].length > 0 )
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147 if ( aPieces[i].indexOf( '[[' ) == 0 )
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149 var sName = aPieces[i].match( /\[\[\s*([^\]]*?)\s*\]\]/ )[1] ;
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151 var oSpan = FCK.EditorDocument.createElement( 'span' ) ;
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152 FCKPlaceholders.SetupSpan( oSpan, sName ) ;
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154 aNodes[n].parentNode.insertBefore( oSpan, aNodes[n] ) ;
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157 aNodes[n].parentNode.insertBefore( FCK.EditorDocument.createTextNode( aPieces[i] ) , aNodes[n] ) ;
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161 aNodes[n].parentNode.removeChild( aNodes[n] ) ;
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164 FCKPlaceholders._SetupClickListener() ;
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167 FCKPlaceholders._AcceptNode = function( node )
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169 if ( /\[\[[^\[\]]+\]\]/.test( node.nodeValue ) )
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170 return NodeFilter.FILTER_ACCEPT ;
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172 return NodeFilter.FILTER_SKIP ;
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176 FCK.Events.AttachEvent( 'OnAfterSetHTML', FCKPlaceholders.Redraw ) ;
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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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181 if ( htmlNode._fckplaceholder )
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182 node = FCKXHtml.XML.createTextNode( '[[' + htmlNode._fckplaceholder + ']]' ) ;
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184 FCKXHtml._AppendChildNodes( node, htmlNode, false ) ;
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