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fckxml.js
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/*
* FCKeditor - The text editor for Internet - http://www.fckeditor.net
* Copyright (C) 2003-2007 Frederico Caldeira Knabben
*
* == BEGIN LICENSE ==
*
* Licensed under the terms of any of the following licenses at your
* choice:
*
* - GNU General Public License Version 2 or later (the "GPL")
* http://www.gnu.org/licenses/gpl.html
*
* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
* http://www.gnu.org/licenses/lgpl.html
*
* - Mozilla Public License Version 1.1 or later (the "MPL")
* http://www.mozilla.org/MPL/MPL-1.1.html
*
* == END LICENSE ==
*
* Defines the FCKXml object that is used for XML data calls
* and XML processing.
*
* This script is shared by almost all pages that compose the
* File Browser frameset.
*/
var FCKXml = function()
{}
FCKXml.prototype.GetHttpRequest = function()
{
// Gecko / IE7
if ( typeof(XMLHttpRequest) != 'undefined' )
return new XMLHttpRequest() ;
// IE6
try { return new ActiveXObject( 'Msxml2.XMLHTTP' ) ; }
catch(e) {}
// IE5
try { return new ActiveXObject( 'Microsoft.XMLHTTP' ) ; }
catch(e) {}
return null ;
}
FCKXml.prototype.LoadUrl = function( urlToCall, asyncFunctionPointer )
{
var oFCKXml = this ;
var bAsync = ( typeof(asyncFunctionPointer) == 'function' ) ;
var oXmlHttp = this.GetHttpRequest() ;
oXmlHttp.open( "GET", urlToCall, bAsync ) ;
if ( bAsync )
{
oXmlHttp.onreadystatechange = function()
{
if ( oXmlHttp.readyState == 4 )
{
if ( oXmlHttp.responseXML == null || oXmlHttp.responseXML.firstChild == null)
{
alert( 'The server didn\'t send back a proper XML response.\r\n\r\n' +
'Requested URL: ' + urlToCall + '\r\n' +
'Response text:\r\n' + oXmlHttp.responseText ) ;
return ;
}
oFCKXml.DOMDocument = oXmlHttp.responseXML ;
if ( oXmlHttp.status == 200 || oXmlHttp.status == 304 )
asyncFunctionPointer( oFCKXml ) ;
else
alert( 'XML request error: ' + oXmlHttp.statusText + ' (' + oXmlHttp.status + ')' ) ;
}
}
}
oXmlHttp.send( null ) ;
if ( ! bAsync )
{
if ( oXmlHttp.status == 200 || oXmlHttp.status == 304 )
this.DOMDocument = oXmlHttp.responseXML ;
else
{
alert( 'XML request error: ' + oXmlHttp.statusText + ' (' + oXmlHttp.status + ')' ) ;
}
}
}
FCKXml.prototype.SelectNodes = function( xpath )
{
if ( navigator.userAgent.indexOf('MSIE') >= 0 ) // IE
return this.DOMDocument.selectNodes( xpath ) ;
else // Gecko
{
var aNodeArray = new Array();
var xPathResult = this.DOMDocument.evaluate( xpath, this.DOMDocument,
this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), XPathResult.ORDERED_NODE_ITERATOR_TYPE, null) ;
if ( xPathResult )
{
var oNode = xPathResult.iterateNext() ;
while( oNode )
{
aNodeArray[aNodeArray.length] = oNode ;
oNode = xPathResult.iterateNext();
}
}
return aNodeArray ;
}
}
FCKXml.prototype.SelectSingleNode = function( xpath )
{
if ( navigator.userAgent.indexOf('MSIE') >= 0 ) // IE
return this.DOMDocument.selectSingleNode( xpath ) ;
else // Gecko
{
var xPathResult = this.DOMDocument.evaluate( xpath, this.DOMDocument,
this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), 9, null);
if ( xPathResult && xPathResult.singleNodeValue )
return xPathResult.singleNodeValue ;
else
return null ;
}
}

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