@Override
  public void sequenceClosed(MainEvent event) {
    final MainListener listener = getListener();

    if (listener != null) listener.sequenceClosed(event);
  }
  @Override
  public void viewerClosed(MainEvent event) {
    final MainListener listener = getListener();

    if (listener != null) listener.viewerClosed(event);
  }
  @Override
  public void painterRemoved(MainEvent event) {
    final MainListener listener = getListener();

    if (listener != null) listener.painterRemoved(event);
  }
  @Override
  public void pluginOpened(MainEvent event) {
    final MainListener listener = getListener();

    if (listener != null) listener.pluginOpened(event);
  }
  @Override
  public void roiAdded(MainEvent event) {
    final MainListener listener = getListener();

    if (listener != null) listener.roiAdded(event);
  }