private JComponent createToolbar() {
    DefaultActionGroup group = new DefaultActionGroup();
    group.add(new CloseAction());
    group.add(new RerunAction(this));
    group.add(new ShowFilesAction());
    group.add(new HideOutOfCyclePackagesAction());
    group.add(new GroupByScopeTypeAction());

    ActionToolbar toolbar = ActionManager.getInstance().createActionToolbar("CyclicDependencies", group, true);
    return toolbar.getComponent();
  }
private JComponent createToolbar()