/**
   * Defines the abstract method in <tt>AbstractPaneItem</tt>.
   *
   * <p>Applies the options currently set in this window, displaying an error message to the user if
   * a setting could not be applied.
   *
   * @throws IOException if the options could not be applied for some reason
   */
  @Override
  public boolean applyOptions() throws IOException {
    if (!isDirty()) return false;

    StatusBarSettings.CONNECTION_QUALITY_DISPLAY_ENABLED.setValue(CHECK_BOX.isSelected());
    GUIMediator.instance().getStatusLine().refresh();
    return false;
  }