// already assigned task => open dialog with warn
String[] args = new String[] { new Integer(assignedProps.size()).toString() };
dialogBoxController = this.activateOkCancelDialog(ureq, "", getTranslator().translate("taskfolder.overwriting.confirm", args), dialogBoxController);
List cs = new ArrayList();
cs.add(dialogBoxController);
LayoutController vcc = new LayoutController(Layouts.VERTICAL, cs);
}
} else if (source == modulesForm) {
if (event == Form.EVNT_FORM_CANCELLED) {
return;
} else if (event == Form.EVNT_VALIDATION_OK) {