The extension offers some features for the user to more easily customize the buttons. The CustomizationButton opens a menu, from which the user can add or remove buttons of the toolbar.
  1. The ToolbarGroupDockStation can show a header. The header can be any kind of Component and is customized using the property key ToolbarGroupDockStation.HEADER_FACTORY.
  2. The extension offers the header CustomizationButton which opens the menu
  3. The contents of the menu have to be set up by the client, almost any Component can be shown in the menu.