4 function ajax_request_callback(req)
6 if (req.readyState == 4 && req.status == 200) {
7 var data = json_parse(req.responseText);
9 if (typeof data.error == 'string') {
10 error('Fehler im AJAX-Backend');
11 alert("Error in AJAX backend:\n" + data.error);
12 } else if (req.oncomplete)
17 function ajax_request(func,params,oncomplete)
19 var req = new XMLHttpRequest();
22 var params = 'func=' + func + '&' + params;
23 req.open ("POST", 'ajax/ajax.php');
24 req.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
25 req.setRequestHeader("Content-length", params.length);
26 req.setRequestHeader("Connection", "close");
27 if (typeof oncomplete == 'function') {
28 req.onreadystatechange = function() { ajax_request_callback(req); }
29 req.oncomplete = oncomplete;
36 var status = document.getElementById('status');
39 status.innerHTML = msg;
40 status.className = 'status_ok';
45 var status = document.getElementById('status');
48 status.innerHTML = msg;
49 status.className = 'status_error';
52 function set_value(id, value)
54 var obj = document.getElementById(id);
57 if (obj.nodeName.toLowerCase() == 'input'
58 && obj.type.toLowerCase() == 'checkbox')
59 if (value) obj.checked = true;
60 else obj.checked = false;
61 else if (obj.nodeName.toLowerCase() == 'input'
62 || obj.nodeName.toLowerCase() == 'textarea')
64 else if (obj.nodeName.toLowerCase() == 'span')
65 obj.innerHTML = value;
66 else if (obj.nodeName.toLowerCase() == 'select')
67 for (var i=0; i < obj.options.length; i++)
68 if (obj.options[i].value == value)
69 obj.selectedIndex = i;
75 function save_callback(data)
77 info('Datensatz gespeichert');
81 function delete_callback(data)
83 info('Datensatz gelöscht');
87 function form_save(obj)
90 ajax_request('save', Form.serialize(obj.form), save_callback);
94 function form_insert(obj)
97 ajax_request('insert', Form.serialize(obj.form), save_callback);
101 function form_delete(obj)
103 var id = document.getElementById('edit_id');
104 var source = document.getElementById('edit_source');
106 var params = 'id='+id.value + '&source='+source.value;
107 ajax_request('delete', params, delete_callback);
114 function details_callback(data)
117 set_value('detail_'+id, data[id]);
120 function fetch_callback(data)
123 set_value('edit_'+id, data[id]);
129 function gridDrillDown(e)
131 if (e.originalTarget && e.originalTarget.target && e.originalTarget.target == '_top')
134 var id = 0; // Column 0 contains ID
135 var row = grid.edit.drillDown(e,0,0);
136 var cell = grid.columns[id].cell(row);
138 var value = cell.innerHTML;
140 if (document.getElementById('details')) {
141 var params = 'source=' + grid.tableId.substr(5) + '&id=' + value;
142 ajax_request('details', params, details_callback);
145 if (document.getElementById('form_edit')) {
146 var params = 'source=' + grid.tableId.substr(5) + '&id=' + value;
147 ajax_request('fetch', params, fetch_callback);
151 /* Update an existing grid
153 * grid is a live grid
154 * filter is the array index of the $table_filters array in mskdef
155 * value is the value applied to the filter
157 function grid_update(grid, filter, value)
159 if (grid === undefined)
162 if (filter !== undefined && filter !== false)
163 grid.buffer.options.requestParameters = ['w'+filter+'=' + value];
165 grid.buffer.setTotalRows(0);
166 grid.buffer.foundRowCount = false;
168 grid.ClearSelection();
170 if (grid.bookmark) grid.bookmark.innerHTML=" ";
172 grid.buffer.fetch(-1);