port = getSourcePortAt(e.getPoint());
port = graph.getPortViewAt(e.getX(), e.getY());
  public boolean isForceMarqueeEvent(MouseEvent e)  {    // If Right Mouse Button we want to Display the PopupMenu    if(SwingUtilities.isRightMouseButton(e) || e.isPopupTrigger())    // Return Immediately      return true;    // Find and Remember Port    port = getSourcePortAt(e.getPoint());    // If Port Found and in ConnectMode (=Ports Visible)    if(port != null && graph.isPortsVisible())      return true;    // Else Call Superclass    return super.isForceMarqueeEvent(e);  }