private JComponent createActionsPanel() {
    myPackageTree.getSelectionModel().addTreeSelectionListener(new TreeSelectionListener() {
      @Override
      public void valueChanged(TreeSelectionEvent e) {
        updateSelectedSets();
      }
    });

    JPanel buttonsPanel = new JPanel(new VerticalLayout(5));
    buttonsPanel.add(new JButton(myInclude));
    buttonsPanel.add(new JButton(myIncludeRec));
    buttonsPanel.add(new JButton(myExclude));
    buttonsPanel.add(new JButton(myExcludeRec));
    return buttonsPanel;
  }
private JComponent createActionsPanel()