menu - vaadin submenu code for views

Question

Hi i m added the File menu item creating the views, my code look like

final Class viewClass : new Class[] { Dashboard.class,
Editor.class, Ticket.class, MockupView.class }) {
navigator.addView(viewClass.getSimpleName(), viewClass);
menu.addItem(viewClass.getSimpleName(), new MenuBar.Command() {

public void menuSelected(MenuItem selectedItem) {
navigator.navigateTo(viewClass);
}
});

but how to add sub menu item inside this menu, any one can help me if you provide me example it will be great full for me

Answer 1

menu.addItem 返回对新菜单项的引用，然后您可以使用它来添加子项：

MenuBar.MenuItem item = menu.addItem("Parent", null);
item.addItem("Child", null);

Answer 2

你需要知道的一切都在这个Vaadin 文档页面上