forked from extern/egroupware
98 lines
2.4 KiB
JavaScript
98 lines
2.4 KiB
JavaScript
/**
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* eGroupWare eTemplate2 - JS XML Code
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*
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* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
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* @package etemplate
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* @subpackage api
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* @link http://www.egroupware.org
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* @author Andreas Stöckel
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* @copyright Stylite 2011
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* @version $Id$
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*/
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/**
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* Loads the given URL asynchronously from the server. When the file is loaded,
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* the given callback function is called, where "this" is set to the given
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* context.
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*/
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function et2_loadXMLFromURL(_url, _callback, _context)
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{
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if (typeof _context == "undefined")
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{
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_context = null;
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}
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// Use the XMLDOM object on IE
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if (window.ActiveXObject)
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{
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var xmldoc = new ActiveXObject("Microsoft.XMLDOM");
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// Set the callback function
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xmldoc.onreadystatechange = function() {
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if (xmldoc && xmldoc.readyState == 4)
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{
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// Find the root node - the root node is the node which is not
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// the "xml", not a text node and not a comment node - those nodes
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// are marked with an "#"
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for (var i = 0; i < xmldoc.childNodes.length; i++)
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{
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var nodeName = xmldoc.childNodes[i].nodeName;
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if (nodeName != "xml" && nodeName.charAt(0) != "#")
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{
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// Call the callback function and pass the current node
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_callback.call(_context, xmldoc.childNodes[i]);
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return;
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}
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}
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throw("Could not find XML root node.");
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}
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}
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xmldoc.load(_url);
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}
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else if (window.XMLHttpRequest)
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{
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// Otherwise make an XMLHttpRequest. Tested with Firefox 3.6, Chrome, Opera
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var xmlhttp = new XMLHttpRequest();
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// Set the callback function
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xmlhttp.onreadystatechange = function() {
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if (xmlhttp.readyState == 4)
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{
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var xmldoc = xmlhttp.responseXML.documentElement;
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_callback.call(_context, xmldoc);
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}
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}
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// Force the browser to interpret the result as XML. overrideMimeType is
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// non-standard, so we check for its existance.
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if (xmlhttp.overrideMimeType)
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{
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xmlhttp.overrideMimeType("application/xml");
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}
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// Retrieve the script asynchronously
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xmlhttp.open("GET", _url, true);
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xmlhttp.send(null);
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}
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else
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{
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throw("XML Request object could not be created!");
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}
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}
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function et2_filteredNodeIterator(_node, _callback, _context)
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{
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for (var i = 0; i < _node.childNodes.length; i++)
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{
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var node = _node.childNodes[i];
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var nodeName = node.nodeName.toLowerCase();
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if (nodeName.charAt(0) != "#")
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{
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_callback.call(_context, node, nodeName);
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}
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}
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}
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