toolbar.add(deleteItem);
toolbar.add(new SeparatorToolItem());
final ToggleToolItem quickView = new ToggleToolItem("Quick View");
toolbar.add(quickView);
quickView.addSelectionListener(new SelectionListener<ComponentEvent>(){
public void componentSelected(ComponentEvent ce) {
quickViewEnabled = quickView.isPressed();
if (rootNode != null) {
reload(rootNode);
}