protected void triggerSubplotSelectEvent(PlotItem it){
  for (  ActionListener actionListener : actionListeners) {
    actionListener.actionPerformed(new DetailViewSelectedEvent(this,ActionEvent.ACTION_PERFORMED,null,0,it));
  }
}

protected void triggerSubplotSelectEvent ( PlotItem it ) { for ( ActionListener actionListener : actionListeners ) { actionListener . actionPerformed ( new DetailViewSelectedEvent ( this , ActionEvent . ACTION_PERFORMED , null , 0 , it ) ) ; } }
when a subplot was selected , forward the event to listeners .
