installEditPolicy(EditPolicy.SELECTION_FEEDBACK_ROLE, new SelectionFeedbackEditPolicy());

public class SelectionFeedbackEditPolicy extends GraphicalEditPolicy 
{
	public void showTargetFeedback(Request request) 
	{
		/* TODO May be try creating a tooltip figure over here 
		on request-type REQ_SELECTION_HOVER */	
	}

	public void eraseTargetFeedback(Request request)
	{	
		/* TODO May be try destroying the tooltip figure created before on request-type REQ_SELECTION_HOVER */		
	}
}