[795] | 1 | /* |
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| 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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| 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 | * Defines the FCKXHtml object, responsible for the XHTML operations. |
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| 22 | */ |
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| 23 | |
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| 24 | var FCKXHtml = new Object() ; |
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| 25 | |
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| 26 | FCKXHtml.CurrentJobNum = 0 ; |
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| 27 | |
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| 28 | FCKXHtml.GetXHTML = function( node, includeNode, format ) |
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| 29 | { |
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| 30 | FCKXHtmlEntities.Initialize() ; |
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| 31 | |
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| 32 | // Set the correct entity to use for empty blocks. |
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| 33 | this._NbspEntity = ( FCKConfig.ProcessHTMLEntities? 'nbsp' : '#160' ) ; |
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| 34 | |
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| 35 | // Save the current IsDirty state. The XHTML processor may change the |
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| 36 | // original HTML, dirtying it. |
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| 37 | var bIsDirty = FCK.IsDirty() ; |
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| 38 | |
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| 39 | this._CreateNode = FCKConfig.ForceStrongEm ? FCKXHtml_CreateNode_StrongEm : FCKXHtml_CreateNode_Normal ; |
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| 40 | |
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| 41 | // Special blocks are blocks of content that remain untouched during the |
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| 42 | // process. It is used for SCRIPTs and STYLEs. |
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| 43 | FCKXHtml.SpecialBlocks = new Array() ; |
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| 44 | |
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| 45 | // Create the XML DOMDocument object. |
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| 46 | this.XML = FCKTools.CreateXmlObject( 'DOMDocument' ) ; |
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| 47 | |
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| 48 | // Add a root element that holds all child nodes. |
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| 49 | this.MainNode = this.XML.appendChild( this.XML.createElement( 'xhtml' ) ) ; |
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| 50 | |
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| 51 | FCKXHtml.CurrentJobNum++ ; |
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| 52 | |
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| 53 | if ( includeNode ) |
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| 54 | this._AppendNode( this.MainNode, node ) ; |
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| 55 | else |
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| 56 | this._AppendChildNodes( this.MainNode, node, false ) ; |
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| 57 | |
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| 58 | // Get the resulting XHTML as a string. |
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| 59 | var sXHTML = this._GetMainXmlString() ; |
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| 60 | |
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| 61 | this.XML = null ; |
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| 62 | |
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| 63 | // Strip the "XHTML" root node. |
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| 64 | sXHTML = sXHTML.substr( 7, sXHTML.length - 15 ).Trim() ; |
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| 65 | |
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| 66 | // Remove the trailing <br> added by Gecko. |
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| 67 | // REMOVE: Maybe the following is not anymore necessary because a similar |
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| 68 | // check is made on _AppendNode |
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| 69 | if ( FCKBrowserInfo.IsGecko ) |
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| 70 | sXHTML = sXHTML.replace( /<br\/>$/, '' ) ; |
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| 71 | |
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| 72 | // Add a space in the tags with no closing tags, like <br/> -> <br /> |
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| 73 | sXHTML = sXHTML.replace( FCKRegexLib.SpaceNoClose, ' />'); |
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| 74 | |
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| 75 | if ( FCKConfig.ForceSimpleAmpersand ) |
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| 76 | sXHTML = sXHTML.replace( FCKRegexLib.ForceSimpleAmpersand, '&' ) ; |
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| 77 | |
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| 78 | if ( format ) |
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| 79 | sXHTML = FCKCodeFormatter.Format( sXHTML ) ; |
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| 80 | |
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| 81 | // Now we put back the SpecialBlocks contents. |
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| 82 | for ( var i = 0 ; i < FCKXHtml.SpecialBlocks.length ; i++ ) |
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| 83 | { |
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| 84 | var oRegex = new RegExp( '___FCKsi___' + i ) ; |
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| 85 | sXHTML = sXHTML.replace( oRegex, FCKXHtml.SpecialBlocks[i] ) ; |
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| 86 | } |
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| 87 | |
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| 88 | // Replace entities marker with the ampersand. |
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| 89 | sXHTML = sXHTML.replace( FCKRegexLib.GeckoEntitiesMarker, '&' ) ; |
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| 90 | |
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| 91 | // Restore the IsDirty state if it was not dirty. |
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| 92 | if ( !bIsDirty ) |
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| 93 | FCK.ResetIsDirty() ; |
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| 94 | |
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| 95 | return sXHTML ; |
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| 96 | } |
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| 97 | |
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| 98 | FCKXHtml._AppendAttribute = function( xmlNode, attributeName, attributeValue ) |
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| 99 | { |
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| 100 | try |
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| 101 | { |
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| 102 | if ( attributeValue == undefined || attributeValue == null ) |
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| 103 | attributeValue = '' ; |
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| 104 | else if ( attributeValue.replace ) |
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| 105 | { |
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| 106 | if ( FCKConfig.ForceSimpleAmpersand ) |
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| 107 | attributeValue = attributeValue.replace( /&/g, '___FCKAmp___' ) ; |
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| 108 | |
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| 109 | // Entities must be replaced in the attribute values. |
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| 110 | attributeValue = attributeValue.replace( FCKXHtmlEntities.EntitiesRegex, FCKXHtml_GetEntity ) ; |
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| 111 | } |
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| 112 | |
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| 113 | // Create the attribute. |
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| 114 | var oXmlAtt = this.XML.createAttribute( attributeName ) ; |
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| 115 | oXmlAtt.value = attributeValue ; |
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| 116 | |
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| 117 | // Set the attribute in the node. |
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| 118 | xmlNode.attributes.setNamedItem( oXmlAtt ) ; |
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| 119 | } |
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| 120 | catch (e) |
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| 121 | {} |
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| 122 | } |
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| 123 | |
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| 124 | FCKXHtml._AppendChildNodes = function( xmlNode, htmlNode, isBlockElement ) |
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| 125 | { |
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| 126 | // Trim block elements. This is also needed to avoid Firefox leaving extra |
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| 127 | // BRs at the end of them. |
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| 128 | if ( isBlockElement ) |
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| 129 | FCKDomTools.TrimNode( htmlNode, true ) ; |
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| 130 | |
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| 131 | var iCount = 0 ; |
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| 132 | |
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| 133 | var oNode = htmlNode.firstChild ; |
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| 134 | |
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| 135 | while ( oNode ) |
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| 136 | { |
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| 137 | if ( this._AppendNode( xmlNode, oNode ) ) |
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| 138 | iCount++ ; |
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| 139 | |
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| 140 | oNode = oNode.nextSibling ; |
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| 141 | } |
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| 142 | |
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| 143 | if ( iCount == 0 ) |
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| 144 | { |
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| 145 | if ( isBlockElement && FCKConfig.FillEmptyBlocks ) |
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| 146 | { |
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| 147 | this._AppendEntity( xmlNode, this._NbspEntity ) ; |
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| 148 | return xmlNode ; |
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| 149 | } |
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| 150 | |
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| 151 | var sNodeName = xmlNode.nodeName ; |
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| 152 | |
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| 153 | // Some inline elements are required to have something inside (span, strong, etc...). |
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| 154 | if ( FCKListsLib.InlineChildReqElements[ sNodeName ] ) |
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| 155 | return null ; |
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| 156 | |
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| 157 | // We can't use short representation of empty elements that are not marked |
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| 158 | // as empty in th XHTML DTD. |
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| 159 | if ( !FCKListsLib.EmptyElements[ sNodeName ] ) |
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| 160 | xmlNode.appendChild( this.XML.createTextNode('') ) ; |
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| 161 | } |
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| 162 | |
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| 163 | return xmlNode ; |
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| 164 | } |
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| 165 | |
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| 166 | FCKXHtml._AppendNode = function( xmlNode, htmlNode ) |
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| 167 | { |
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| 168 | if ( !htmlNode ) |
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| 169 | return false ; |
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| 170 | |
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| 171 | switch ( htmlNode.nodeType ) |
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| 172 | { |
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| 173 | // Element Node. |
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| 174 | case 1 : |
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| 175 | |
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| 176 | // Here we found an element that is not the real element, but a |
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| 177 | // fake one (like the Flash placeholder image), so we must get the real one. |
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| 178 | if ( htmlNode.getAttribute('_fckfakelement') ) |
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| 179 | return FCKXHtml._AppendNode( xmlNode, FCK.GetRealElement( htmlNode ) ) ; |
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| 180 | |
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| 181 | // Mozilla insert custom nodes in the DOM. |
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| 182 | if ( FCKBrowserInfo.IsGecko && htmlNode.hasAttribute('_moz_editor_bogus_node') ) |
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| 183 | return false ; |
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| 184 | |
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| 185 | // This is for elements that are instrumental to FCKeditor and |
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| 186 | // must be removed from the final HTML. |
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| 187 | if ( htmlNode.getAttribute('_fcktemp') ) |
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| 188 | return false ; |
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| 189 | |
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| 190 | // Get the element name. |
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| 191 | var sNodeName = htmlNode.tagName.toLowerCase() ; |
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| 192 | |
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| 193 | if ( FCKBrowserInfo.IsIE ) |
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| 194 | { |
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| 195 | // IE doens't include the scope name in the nodeName. So, add the namespace. |
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| 196 | if ( htmlNode.scopeName && htmlNode.scopeName != 'HTML' && htmlNode.scopeName != 'FCK' ) |
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| 197 | sNodeName = htmlNode.scopeName.toLowerCase() + ':' + sNodeName ; |
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| 198 | } |
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| 199 | else |
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| 200 | { |
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| 201 | if ( sNodeName.StartsWith( 'fck:' ) ) |
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| 202 | sNodeName = sNodeName.Remove( 0,4 ) ; |
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| 203 | } |
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| 204 | |
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| 205 | // Check if the node name is valid, otherwise ignore this tag. |
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| 206 | // If the nodeName starts with a slash, it is a orphan closing tag. |
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| 207 | // On some strange cases, the nodeName is empty, even if the node exists. |
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| 208 | if ( !FCKRegexLib.ElementName.test( sNodeName ) ) |
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| 209 | return false ; |
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| 210 | |
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| 211 | // Remove the <br> if it is a bogus node. |
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| 212 | if ( sNodeName == 'br' && htmlNode.getAttribute( 'type', 2 ) == '_moz' ) |
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| 213 | return false ; |
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| 214 | |
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| 215 | // The already processed nodes must be marked to avoid then to be duplicated (bad formatted HTML). |
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| 216 | // So here, the "mark" is checked... if the element is Ok, then mark it. |
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| 217 | if ( htmlNode._fckxhtmljob && htmlNode._fckxhtmljob == FCKXHtml.CurrentJobNum ) |
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| 218 | return false ; |
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| 219 | |
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| 220 | var oNode = this._CreateNode( sNodeName ) ; |
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| 221 | |
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| 222 | // Add all attributes. |
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| 223 | FCKXHtml._AppendAttributes( xmlNode, htmlNode, oNode, sNodeName ) ; |
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| 224 | |
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| 225 | htmlNode._fckxhtmljob = FCKXHtml.CurrentJobNum ; |
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| 226 | |
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| 227 | // Tag specific processing. |
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| 228 | var oTagProcessor = FCKXHtml.TagProcessors[ sNodeName ] ; |
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| 229 | |
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| 230 | if ( oTagProcessor ) |
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| 231 | oNode = oTagProcessor( oNode, htmlNode, xmlNode ) ; |
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| 232 | else |
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| 233 | oNode = this._AppendChildNodes( oNode, htmlNode, Boolean( FCKListsLib.NonEmptyBlockElements[ sNodeName ] ) ) ; |
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| 234 | |
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| 235 | if ( !oNode ) |
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| 236 | return false ; |
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| 237 | |
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| 238 | xmlNode.appendChild( oNode ) ; |
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| 239 | |
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| 240 | break ; |
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| 241 | |
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| 242 | // Text Node. |
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| 243 | case 3 : |
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| 244 | return this._AppendTextNode( xmlNode, htmlNode.nodeValue.ReplaceNewLineChars(' ') ) ; |
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| 245 | |
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| 246 | // Comment |
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| 247 | case 8 : |
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| 248 | // IE catches the <!DOTYPE ... > as a comment, but it has no |
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| 249 | // innerHTML, so we can catch it, and ignore it. |
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| 250 | if ( FCKBrowserInfo.IsIE && !htmlNode.innerHTML ) |
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| 251 | break ; |
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| 252 | |
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| 253 | try { xmlNode.appendChild( this.XML.createComment( htmlNode.nodeValue ) ) ; } |
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| 254 | catch (e) { /* Do nothing... probably this is a wrong format comment. */ } |
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| 255 | break ; |
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| 256 | |
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| 257 | // Unknown Node type. |
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| 258 | default : |
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| 259 | xmlNode.appendChild( this.XML.createComment( "Element not supported - Type: " + htmlNode.nodeType + " Name: " + htmlNode.nodeName ) ) ; |
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| 260 | break ; |
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| 261 | } |
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| 262 | return true ; |
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| 263 | } |
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| 264 | |
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| 265 | function FCKXHtml_CreateNode_StrongEm( nodeName ) |
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| 266 | { |
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| 267 | switch ( nodeName ) |
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| 268 | { |
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| 269 | case 'b' : |
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| 270 | nodeName = 'strong' ; |
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| 271 | break ; |
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| 272 | case 'i' : |
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| 273 | nodeName = 'em' ; |
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| 274 | break ; |
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| 275 | } |
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| 276 | return this.XML.createElement( nodeName ) ; |
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| 277 | } |
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| 278 | |
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| 279 | function FCKXHtml_CreateNode_Normal( nodeName ) |
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| 280 | { |
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| 281 | return this.XML.createElement( nodeName ) ; |
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| 282 | } |
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| 283 | |
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| 284 | // Append an item to the SpecialBlocks array and returns the tag to be used. |
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| 285 | FCKXHtml._AppendSpecialItem = function( item ) |
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| 286 | { |
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| 287 | return '___FCKsi___' + FCKXHtml.SpecialBlocks.AddItem( item ) ; |
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| 288 | } |
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| 289 | |
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| 290 | FCKXHtml._AppendEntity = function( xmlNode, entity ) |
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| 291 | { |
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| 292 | xmlNode.appendChild( this.XML.createTextNode( '#?-:' + entity + ';' ) ) ; |
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| 293 | } |
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| 294 | |
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| 295 | FCKXHtml._AppendTextNode = function( targetNode, textValue ) |
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| 296 | { |
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| 297 | var bHadText = textValue.length > 0 ; |
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| 298 | if ( bHadText ) |
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| 299 | targetNode.appendChild( this.XML.createTextNode( textValue.replace( FCKXHtmlEntities.EntitiesRegex, FCKXHtml_GetEntity ) ) ) ; |
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| 300 | return bHadText ; |
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| 301 | } |
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| 302 | |
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| 303 | // Retrieves a entity (internal format) for a given character. |
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| 304 | function FCKXHtml_GetEntity( character ) |
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| 305 | { |
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| 306 | // We cannot simply place the entities in the text, because the XML parser |
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| 307 | // will translate & to &. So we use a temporary marker which is replaced |
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| 308 | // in the end of the processing. |
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| 309 | var sEntity = FCKXHtmlEntities.Entities[ character ] || ( '#' + character.charCodeAt(0) ) ; |
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| 310 | return '#?-:' + sEntity + ';' ; |
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| 311 | } |
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| 312 | |
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| 313 | // Remove part of an attribute from a node according to a regExp |
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| 314 | FCKXHtml._RemoveAttribute = function( xmlNode, regX, sAttribute ) |
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| 315 | { |
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| 316 | var oAtt = xmlNode.attributes.getNamedItem( sAttribute ) ; |
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| 317 | |
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| 318 | if ( oAtt && regX.test( oAtt.nodeValue ) ) |
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| 319 | { |
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| 320 | var sValue = oAtt.nodeValue.replace( regX, '' ) ; |
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| 321 | |
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| 322 | if ( sValue.length == 0 ) |
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| 323 | xmlNode.attributes.removeNamedItem( sAttribute ) ; |
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| 324 | else |
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| 325 | oAtt.nodeValue = sValue ; |
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| 326 | } |
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| 327 | } |
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| 328 | |
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| 329 | // An object that hold tag specific operations. |
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| 330 | FCKXHtml.TagProcessors = |
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| 331 | { |
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| 332 | img : function( node, htmlNode ) |
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| 333 | { |
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| 334 | // The "ALT" attribute is required in XHTML. |
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| 335 | if ( ! node.attributes.getNamedItem( 'alt' ) ) |
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| 336 | FCKXHtml._AppendAttribute( node, 'alt', '' ) ; |
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| 337 | |
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| 338 | var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ; |
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| 339 | if ( sSavedUrl != null ) |
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| 340 | FCKXHtml._AppendAttribute( node, 'src', sSavedUrl ) ; |
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| 341 | |
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| 342 | return node ; |
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| 343 | }, |
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| 344 | |
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| 345 | a : function( node, htmlNode ) |
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| 346 | { |
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| 347 | // Firefox may create empty tags when deleting the selection in some special cases (SF-BUG 1556878). |
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| 348 | if ( htmlNode.innerHTML.Trim().length == 0 && !htmlNode.name ) |
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| 349 | return false ; |
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| 350 | |
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| 351 | var sSavedUrl = htmlNode.getAttribute( '_fcksavedurl' ) ; |
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| 352 | if ( sSavedUrl != null ) |
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| 353 | FCKXHtml._AppendAttribute( node, 'href', sSavedUrl ) ; |
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| 354 | |
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| 355 | |
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| 356 | // Anchors with content has been marked with an additional class, now we must remove it. |
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| 357 | if ( FCKBrowserInfo.IsIE ) |
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| 358 | { |
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| 359 | FCKXHtml._RemoveAttribute( node, FCKRegexLib.FCK_Class, 'class' ) ; |
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| 360 | |
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| 361 | // Buggy IE, doesn't copy the name of changed anchors. |
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| 362 | if ( htmlNode.name ) |
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| 363 | FCKXHtml._AppendAttribute( node, 'name', htmlNode.name ) ; |
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| 364 | } |
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| 365 | |
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| 366 | node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; |
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| 367 | |
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| 368 | return node ; |
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| 369 | }, |
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| 370 | |
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| 371 | script : function( node, htmlNode ) |
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| 372 | { |
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| 373 | // The "TYPE" attribute is required in XHTML. |
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| 374 | if ( ! node.attributes.getNamedItem( 'type' ) ) |
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| 375 | FCKXHtml._AppendAttribute( node, 'type', 'text/javascript' ) ; |
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| 376 | |
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| 377 | node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( htmlNode.text ) ) ) ; |
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| 378 | |
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| 379 | return node ; |
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| 380 | }, |
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| 381 | |
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| 382 | style : function( node, htmlNode ) |
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| 383 | { |
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| 384 | // The "TYPE" attribute is required in XHTML. |
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| 385 | if ( ! node.attributes.getNamedItem( 'type' ) ) |
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| 386 | FCKXHtml._AppendAttribute( node, 'type', 'text/css' ) ; |
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| 387 | |
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| 388 | node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( htmlNode.innerHTML ) ) ) ; |
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| 389 | |
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| 390 | return node ; |
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| 391 | }, |
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| 392 | |
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| 393 | title : function( node, htmlNode ) |
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| 394 | { |
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| 395 | node.appendChild( FCKXHtml.XML.createTextNode( FCK.EditorDocument.title ) ) ; |
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| 396 | |
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| 397 | return node ; |
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| 398 | }, |
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| 399 | |
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| 400 | table : function( node, htmlNode ) |
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| 401 | { |
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| 402 | // There is a trick to show table borders when border=0. We add to the |
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| 403 | // table class the FCK__ShowTableBorders rule. So now we must remove it. |
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| 404 | |
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| 405 | if ( FCKBrowserInfo.IsIE ) |
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| 406 | FCKXHtml._RemoveAttribute( node, FCKRegexLib.FCK_Class, 'class' ) ; |
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| 407 | |
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| 408 | node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; |
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| 409 | |
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| 410 | return node ; |
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| 411 | }, |
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| 412 | |
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| 413 | // Fix nested <ul> and <ol>. |
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| 414 | ol : function( node, htmlNode, targetNode ) |
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| 415 | { |
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| 416 | if ( htmlNode.innerHTML.Trim().length == 0 ) |
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| 417 | return false ; |
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| 418 | |
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| 419 | var ePSibling = targetNode.lastChild ; |
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| 420 | |
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| 421 | if ( ePSibling && ePSibling.nodeType == 3 ) |
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| 422 | ePSibling = ePSibling.previousSibling ; |
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| 423 | |
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| 424 | if ( ePSibling && ePSibling.nodeName.toUpperCase() == 'LI' ) |
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| 425 | { |
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| 426 | htmlNode._fckxhtmljob = null ; |
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| 427 | FCKXHtml._AppendNode( ePSibling, htmlNode ) ; |
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| 428 | return false ; |
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| 429 | } |
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| 430 | |
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| 431 | node = FCKXHtml._AppendChildNodes( node, htmlNode ) ; |
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| 432 | |
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| 433 | return node ; |
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| 434 | }, |
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| 435 | |
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| 436 | span : function( node, htmlNode ) |
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| 437 | { |
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| 438 | // Firefox may create empty tags when deleting the selection in some special cases (SF-BUG 1084404). |
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| 439 | if ( htmlNode.innerHTML.length == 0 ) |
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| 440 | return false ; |
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| 441 | |
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| 442 | node = FCKXHtml._AppendChildNodes( node, htmlNode, false ) ; |
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| 443 | |
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| 444 | return node ; |
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| 445 | }, |
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| 446 | |
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| 447 | // IE loses contents of iframes, and Gecko does give it back HtmlEncoded |
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| 448 | // Note: Opera does lose the content and doesn't provide it in the innerHTML string |
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| 449 | iframe : function( node, htmlNode ) |
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| 450 | { |
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| 451 | var sHtml = htmlNode.innerHTML ; |
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| 452 | |
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| 453 | // Gecko does give back the encoded html |
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| 454 | if ( FCKBrowserInfo.IsGecko ) |
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| 455 | sHtml = FCKTools.HTMLDecode( sHtml ); |
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| 456 | |
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| 457 | // Remove the saved urls here as the data won't be processed as nodes |
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| 458 | sHtml = sHtml.replace( /\s_fcksavedurl="[^"]*"/g, '' ) ; |
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| 459 | |
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| 460 | node.appendChild( FCKXHtml.XML.createTextNode( FCKXHtml._AppendSpecialItem( sHtml ) ) ) ; |
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| 461 | |
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| 462 | return node ; |
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| 463 | } |
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| 464 | } ; |
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| 465 | |
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| 466 | FCKXHtml.TagProcessors.ul = FCKXHtml.TagProcessors.ol ; |
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