@Override
  public JComponent createOptionsPanel() {
    final JFormattedTextField valueField = prepareNumberEditor("m_limit");
    final JComboBox comboBox =
        new ComboBox(
            new Object[] {Scope.NONE, Scope.PRIVATE, Scope.PACKAGE_LOCAL, Scope.PROTECTED});
    comboBox.setRenderer(
        new ListCellRendererWrapper() {
          @Override
          public void customize(
              JList list, Object value, int index, boolean selected, boolean hasFocus) {
            if (value instanceof Scope) setText(((Scope) value).getText());
          }
        });
    comboBox.setSelectedItem(ignoreScope);
    comboBox.addActionListener(
        new ActionListener() {
          @Override
          public void actionPerformed(ActionEvent e) {
            ignoreScope = (Scope) comboBox.getSelectedItem();
          }
        });
    comboBox.setPrototypeDisplayValue(Scope.PROTECTED);

    final FormBuilder formBuilder = FormBuilder.createFormBuilder();
    formBuilder.addLabeledComponent(getConfigurationLabel(), valueField);
    formBuilder.addLabeledComponent(
        InspectionGadgetsBundle.message("constructor.visibility.option"), comboBox);
    final JPanel panel = new JPanel(new BorderLayout());
    panel.add(formBuilder.getPanel(), BorderLayout.NORTH);
    return panel;
  }
  public SwingThreadFrame() {
    setTitle("SwingThreadTest");

    final JComboBox combo = new JComboBox();
    combo.insertItemAt(new Integer(Integer.MAX_VALUE), 0);
    combo.setPrototypeDisplayValue(combo.getItemAt(0));
    combo.setSelectedIndex(0);

    JPanel panel = new JPanel();

    JButton goodButton = new JButton("Good");
    goodButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent event) {
            new Thread(new GoodWorkerRunnable(combo)).start();
          }
        });
    panel.add(goodButton);
    JButton badButton = new JButton("Bad");
    badButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent event) {
            new Thread(new BadWorkerRunnable(combo)).start();
          }
        });
    panel.add(badButton);
    panel.add(combo);
    add(panel);
    pack();
  }