@Override
    protected JComponent createNorthPanel() {
      JPanel filePanel = createFilePanel();
      JComponent settingsPanel = myExporter.getSettingsEditor();
      if (settingsPanel == null) {
        return filePanel;
      }
      JPanel northPanel = new JPanel(new BorderLayout());
      northPanel.add(filePanel, BorderLayout.NORTH);
      northPanel.add(settingsPanel, BorderLayout.CENTER);
      return northPanel;
    }
@Override
    protected JComponent createNorthPanel()