public TripTimeLabelComponent (Trip trip) {
		super (new FlowLayout (FlowLayout.LEADING));
		
		JPanel labelPanel = new JPanel (new GridLayout (2,1));
		
		River r = trip.getRiver();
		String riverName;
		if (r == null) {
			riverName = "<?>";
		}
		else {
			riverName = r.getRiverName();
		}
		addLabelWithBorder (labelPanel, "Gruppe " + trip.getGroupNumber());
		addLabelWithBorder (labelPanel, riverName);

		Border raisedbevel = BorderFactory.createRaisedBevelBorder();
		this.setBorder(raisedbevel);
		add (labelPanel, BorderLayout.CENTER);
	}