updateCellRenderers();
    public TrainOrdersListModel(ModelRoot mr, int trainNumber) {	modelRoot = mr;	w = mr.getWorld(); 	this.trainNumber = trainNumber;	trainModel = (TrainModel) w.get(KEY.TRAINS, trainNumber,		modelRoot.getPlayerPrincipal());	schedule = (Schedule) w.get(KEY.TRAIN_SCHEDULES,		trainModel.getScheduleIterator().getScheduleKey().index,	       trainModel.getScheduleIterator().getScheduleKey().principal);    }