code: @Override
  	public void execute(final ActionEvent event) {
  		ExampleData data = (ExampleData) event.getActionObject();
  		WComponent source = (WComponent) event.getSource();
  
  		TreePicker picker = WebUtilities.getAncestorOfClass(TreePicker.class, source);
  		picker.selectExample(data);
  
  		MenuPanel panel = WebUtilities.getAncestorOfClass(MenuPanel.class, source);
  		if (panel != null) {
  			WTree tree = panel.getTree();
  			if (tree != null) {
  				tree.setSelectedRows(new HashSet<String>()); // null);
  			}
  		}
  	}
docs: {@inheritDoc}