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Editorial Team
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Asked: 2026-06-03T22:20:47+00:00

I need some help with Google web toolkit to make a vertical menu with

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I need some help with Google web toolkit to make a vertical menu with expanding submenu items.

I want to create a vertical menu that woks like the left menu on the showcase of GWT

I tried this:

VerticalPanel vertpanel = new VerticalPanel();
MenuBar menubar = new MenuBar(true);//set to true so its set to vertical alignment
MenuBar subbar = new MenuBar(true);
MenuBar subbar2 = new MenuBar(true);
subbar.addItem("Fist item of submenu1", new AddEmployeeCommand());
subbar.addItem("Second item of submenu1", new AddEmployeeCommand());
subbar2.addItem("First item of submenu2", new AddEmployeeCommand());
subbar2.addItem("Second item of submenu2", new AddEmployeeCommand());
menubar.addItem("sub 1", subbar);
menubar.addItem("sub 2", subbar2);
vertpanel.add(menubar);
RootPanel.get().add(menubar);

But that doesn’t work because the menu items won’t expand to show their subitems. Although it works when I make it a horizontal menubar but that’s not what I want.

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1 Answer

  1. Editorial Team

    You’ll need to use DisclosurePanels in order to achieve that.

    Check it out in the GWT showcase.

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