* update table with latest elements
* @param ureq
*/
private void showOverviewTable(UserRequest ureq) {
tableCtr = new TableController(tableConf, ureq, getWindowControl(), resourceTrans, this);
DialogPropertyElements elements = DialogElementsPropertyManager.getInstance().findDialogElements(this.course.getCourseEnvironment().getCoursePropertyManager(), courseNode);
List list = new ArrayList();
DialogElementsTableModel tableModel = new DialogElementsTableModel(getTranslator(), null, null);
if (elements != null) list = elements.getDialogPropertyElements();
tableModel.setEntries(list);
tableModel.addColumnDescriptors(tableCtr);
tableCtr.setTableDataModel(tableModel);
tableCtr.modelChanged();
tableCtr.setSortColumn(1, true);