}
}
@UiHandler(value = "helperListBox")
public void onHelperChange(ChangeEvent e) {
HelperType type = HelperType.valueOf(helperListBox.getValue(helperListBox
.getSelectedIndex()));
if (type == HelperType.ELEMENT) {
GQuery helper = $("<div class=\"myHelper\" style=\"width: 150px;height: 150px;\">I'm a custom helper</div>");
getOptions().setHelper(helper);