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egroupware_official/etemplate/js/et2_core_xml.js

99 lines
2.1 KiB
JavaScript

/**
* EGroupware eTemplate2 - JS XML Code
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Andreas Stöckel
* @copyright Stylite 2011
* @version $Id$
*/
"use strict";
/**
* Loads the given URL asynchronously from the server
*
* We make the Ajax call through main-windows jQuery object, to ensure cached copy
* in main-windows etemplate2 prototype works in IE too!
*
* @param {string} _url
* @param {function} _callback function(_xml)
* @param {object} _context for _callback
*/
function et2_loadXMLFromURL(_url, _callback, _context)
{
if (typeof _context == "undefined")
{
_context = null;
}
// use window object from main window with same algorithm as for the template cache
var win;
try {
if (opener && opener.etemplate2)
{
win = opener;
}
}
catch (e) {
// catch security exception if opener is from a different domain
}
if (typeof win == "undefined")
{
win = top;
}
win.jQuery.ajax({
url: _url,
context: _context,
type: 'GET',
dataType: 'xml',
success: function(_data, _status, _xmlhttp){
_callback.call(_context, _data.documentElement);
},
error: function(_xmlhttp, _err) {
egw().debug('error', 'Loading eTemplate from '+_url+' failed! '+_xmlhttp.status+' '+_xmlhttp.statusText);
}
});
}
function et2_directChildrenByTagName(_node, _tagName)
{
// Normalize the tag name
_tagName = _tagName.toLowerCase();
var result = [];
for (var i = 0; i < _node.childNodes.length; i++)
{
if (_tagName == _node.childNodes[i].nodeName.toLowerCase())
{
result.push(_node.childNodes[i]);
}
}
return result;
}
function et2_filteredNodeIterator(_node, _callback, _context)
{
for (var i = 0; i < _node.childNodes.length; i++)
{
var node = _node.childNodes[i];
var nodeName = node.nodeName.toLowerCase();
if (nodeName.charAt(0) != "#")
{
_callback.call(_context, node, nodeName);
}
}
}
function et2_readAttrWithDefault(_node, _name, _default)
{
var val = _node.getAttribute(_name);
return (val === null) ? _default : val;
}