treeBinder.setDisplayProperty("name");
treeBinder.setAutoSelect(true);
treeBinder.init();
// tree model:
browserModel = new ViewBrowserModel(user, treeStore);
tree.addListener(Events.SelectionChange, new Listener<BaseEvent>() {
public void handleEvent(BaseEvent be) {
TreeItem selection = tree.getSelectedItem();
if (selection == null) {
if (deleteItem != null) {
deleteItem.setEnabled(false);