/**
 * EGroupware eTemplate2 - JS XML Code
 *
 * @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
 * @package etemplate
 * @subpackage api
 * @link https://www.egroupware.org
 * @author Andreas Stöckel
 */
import { egw } from "../jsapi/egw_global";
/**
 * 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)
 */
export function et2_loadXMLFromURL(_url, _callback, _context, _fail_callback) {
    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);
            }
        }
    });
}
export function et2_directChildrenByTagName(_node, _tagName) {
    // 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;
}
export function et2_filteredNodeIterator(_node, _callback, _context) {
    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);
        }
    }
}
export function et2_readAttrWithDefault(_node, _name, _default) {
    let val = _node.getAttribute(_name);
    return (val === null) ? _default : val;
}
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