egroupware/api/js/etemplate/et2_core_xml.ts
2020-05-29 11:21:17 -06:00

104 lines
2.6 KiB
TypeScript

/**
* 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
*/
/**
* 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
* @param {function} _fail_callback function(_xml)
*/
function et2_loadXMLFromURL(_url : string, _callback : Function, _context : object, _fail_callback? : Function)
{
if (typeof _context == "undefined")
{
_context = null;
}
// use window object from main window with same algorithm as for the template cache
let 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 = egw.top;
}
win.jQuery.ajax({
// we add the full url (protocol and domain) as sometimes just the path
// gives a CSP error interpreting it as file:///path
// (if there are a enough 404 errors in html content ...)
url: (_url[0]=='/' ? location.protocol+'//'+location.host : '')+_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);
if(typeof _fail_callback !== 'undefined')
{
_fail_callback.call(_context, _err);
}
}
});
}
function et2_directChildrenByTagName(_node : HTMLElement, _tagName : String) : HTMLElement[]
{
// Normalize the tag name
_tagName = _tagName.toLowerCase();
let result = [];
for (let 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 : HTMLElement, _callback : Function, _context : object)
{
for (let i = 0; i < _node.childNodes.length; i++)
{
let node = _node.childNodes[i];
let nodeName = node.nodeName.toLowerCase();
if (nodeName.charAt(0) != "#")
{
_callback.call(_context, node, nodeName);
}
}
}
function et2_readAttrWithDefault(_node : HTMLElement, _name : string, _default : string) : string
{
let val = _node.getAttribute(_name);
return (val === null) ? _default : val;
}