@Override
  public void propertyChange(PropertyChangeEvent e) {
    @NonNls String propertyName = e.getPropertyName();
    if (Presentation.PROP_TEXT.equals(propertyName) || Presentation.PROP_DESCRIPTION.equals(propertyName)) {
      setTitle(presentation.getText());
    }
  }
@Override
  public void propertyChange(PropertyChangeEvent e)