public BindedModule(String id, String path, Element divElement, final MainModule mainModule) {
super(id, path, divElement, mainModule, false);
final HorizontalPanel leftWidgetPanel = new HorizontalPanel();
head = new Header() {
@Override
protected void onRender(Element target, int index) {
super.onRender(target, index);
adopt(leftWidgetPanel);
leftWidgetPanel.addStyleName("x-panel-toolbar");