forked from science-ation/science-ation
148 lines
3.8 KiB
JavaScript
148 lines
3.8 KiB
JavaScript
/*
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* FCKeditor - The text editor for Internet - http://www.fckeditor.net
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* Copyright (C) 2003-2008 Frederico Caldeira Knabben
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*
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* == BEGIN LICENSE ==
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*
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* Licensed under the terms of any of the following licenses at your
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* choice:
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*
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* - GNU General Public License Version 2 or later (the "GPL")
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* http://www.gnu.org/licenses/gpl.html
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*
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* - GNU Lesser General Public License Version 2.1 or later (the "LGPL")
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* http://www.gnu.org/licenses/lgpl.html
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*
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* - Mozilla Public License Version 1.1 or later (the "MPL")
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* http://www.mozilla.org/MPL/MPL-1.1.html
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*
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* == END LICENSE ==
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*
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* Defines the FCKXml object that is used for XML data calls
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* and XML processing.
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*
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* This script is shared by almost all pages that compose the
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* File Browser frameset.
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*/
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var FCKXml = function()
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{}
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FCKXml.prototype.GetHttpRequest = function()
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{
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// Gecko / IE7
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try { return new XMLHttpRequest(); }
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catch(e) {}
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// IE6
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try { return new ActiveXObject( 'Msxml2.XMLHTTP' ) ; }
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catch(e) {}
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// IE5
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try { return new ActiveXObject( 'Microsoft.XMLHTTP' ) ; }
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catch(e) {}
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return null ;
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}
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FCKXml.prototype.LoadUrl = function( urlToCall, asyncFunctionPointer )
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{
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var oFCKXml = this ;
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var bAsync = ( typeof(asyncFunctionPointer) == 'function' ) ;
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var oXmlHttp = this.GetHttpRequest() ;
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oXmlHttp.open( "GET", urlToCall, bAsync ) ;
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if ( bAsync )
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{
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oXmlHttp.onreadystatechange = function()
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{
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if ( oXmlHttp.readyState == 4 )
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{
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var oXml ;
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try
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{
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// this is the same test for an FF2 bug as in fckxml_gecko.js
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// but we've moved the responseXML assignment into the try{}
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// so we don't even have to check the return status codes.
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var test = oXmlHttp.responseXML.firstChild ;
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oXml = oXmlHttp.responseXML ;
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}
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catch ( e )
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{
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try
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{
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oXml = (new DOMParser()).parseFromString( oXmlHttp.responseText, 'text/xml' ) ;
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}
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catch ( e ) {}
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}
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if ( !oXml || !oXml.firstChild || oXml.firstChild.nodeName == 'parsererror' )
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{
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alert( 'The server didn\'t send back a proper XML response. Please contact your system administrator.\n\n' +
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'XML request error: ' + oXmlHttp.statusText + ' (' + oXmlHttp.status + ')\n\n' +
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'Requested URL:\n' + urlToCall + '\n\n' +
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'Response text:\n' + oXmlHttp.responseText ) ;
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return ;
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}
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oFCKXml.DOMDocument = oXml ;
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asyncFunctionPointer( oFCKXml ) ;
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}
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}
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}
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oXmlHttp.send( null ) ;
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if ( ! bAsync )
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{
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if ( oXmlHttp.status == 200 || oXmlHttp.status == 304 )
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this.DOMDocument = oXmlHttp.responseXML ;
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else
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{
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alert( 'XML request error: ' + oXmlHttp.statusText + ' (' + oXmlHttp.status + ')' ) ;
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}
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}
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}
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FCKXml.prototype.SelectNodes = function( xpath )
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{
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if ( navigator.userAgent.indexOf('MSIE') >= 0 ) // IE
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return this.DOMDocument.selectNodes( xpath ) ;
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else // Gecko
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{
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var aNodeArray = new Array();
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var xPathResult = this.DOMDocument.evaluate( xpath, this.DOMDocument,
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this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), XPathResult.ORDERED_NODE_ITERATOR_TYPE, null) ;
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if ( xPathResult )
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{
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var oNode = xPathResult.iterateNext() ;
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while( oNode )
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{
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aNodeArray[aNodeArray.length] = oNode ;
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oNode = xPathResult.iterateNext();
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}
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}
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return aNodeArray ;
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}
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}
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FCKXml.prototype.SelectSingleNode = function( xpath )
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{
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if ( navigator.userAgent.indexOf('MSIE') >= 0 ) // IE
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return this.DOMDocument.selectSingleNode( xpath ) ;
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else // Gecko
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{
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var xPathResult = this.DOMDocument.evaluate( xpath, this.DOMDocument,
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this.DOMDocument.createNSResolver(this.DOMDocument.documentElement), 9, null);
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if ( xPathResult && xPathResult.singleNodeValue )
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return xPathResult.singleNodeValue ;
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else
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return null ;
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}
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}
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