}
final void expandNextLevel() {
((Workbench)Registry.get(Workbench.ID)).showWaitCursor(constants.expandingLevel());
XUser user = ((Workbench)Registry.get(Workbench.ID)).getUser();
final String sessionId = user.getSessionId();
WPaloCubeViewServiceProvider.getInstance().runAsync(sessionId, 0, new Callback<Void>() {
public void onSuccess(Void arg0) {
Filter f = new DefaultFilter() {
public boolean filter(FastMSTreeItem item) {
if (!item.isOpen()) {