private void zEventToggleTimeMenuButtonMousePressed(MouseEvent e){
  togglePopup();
}

private void zEventToggleTimeMenuButtonMousePressed ( MouseEvent e ) { togglePopup ( ) ; }
zeventtoggletimemenubuttonmousepressed , this is called when the user clicks on the " toggle time menu " button of the time picker . this will create a time menu panel and a popup , and display them to the user . if a time menu panel is already opened , it will be closed instead .
