Code

fc.addFlowChartListener(new FlowChartAdapter()
{
	public void itemCreated(ItemEvent e)
	{
		if (e.getItem() instanceof Arrow)
		{
			Arrow arrow = (Arrow)e.getItem();
			distributeOutgoingLinks(arrow.getOrigin());
			distributeIncomingLinks(arrow.getDestination());
		}
	}
}

 void distributeOutgoingLinks(Node node)
 {
	ArrowList al = node.getOutgoingArrows();
	for (int i = 0; i < al.size(); ++i)
	{
		Arrow a = al.get(i);
		a.getControlPoints().get(0).y =
			node.getBounds().y + node.getBounds().height * (i+1) / (al.size() + 1);
		a.updateFromPoints();
	}
	for (int i = 0; i < al.size(); ++i)
	{
		Arrow a = al.get(i);
		a.route();
	}
 }

 void distributeIncomingLinks(Node node)
 {
	ArrowList al = node.getIncomingArrows();
	for (int i = 0; i < al.size(); ++i)
	{
		Arrow a = al.get(i);
		a.getControlPoints().get(a.getControlPoints().size() - 1).y =
			node.getBounds().y + node.getBounds().height * (i+1) / (al.size() + 1);
		a.updateFromPoints();
	}
	for (int i = 0; i < al.size(); ++i)
	{
		Arrow a = al.get(i);
		a.route();
	}
 }