public RoleListBrowserView(RoleListBrowser roleListBrowser, WKFController controller) {
   super(roleListBrowser, controller.getKeyEventListener(), controller.getEditor());
   JPanel north = new JPanel(new FlowLayout(FlowLayout.LEFT, 1, 1));
   for (int i = 0; i < RoleViewMode.values().length; i++) {
     RoleViewMode viewMode = RoleViewMode.values()[i];
     north.add(new RoleViewModeButton(viewMode));
   }
   add(north, BorderLayout.NORTH);
   _controller = controller;
   FCH.setHelpItem(this, "rolelist-browser");
 }