addRouteItemButton = new JButton(new AddRouteItemAction());
recordRouteButton = new JButton(new RecordRouteAction());
removeRouteItemButton = new JButton(new RemoveRouteItemAction());
digitDisplay = new ThreeDigitDisplay();
okButton = new JButton(new ApplyChangesAction());
cancelButton = new JButton(new CancelAction());
presentationModel.getBean().addPropertyChangeListener(this);
validate(presentationModel.getBean());