@Override
  public void actionPerformed(ActionEvent e) {
    if ((initStationCombo == e.getSource() || destStationCombo == e.getSource())
        && e.getActionCommand().equals("comboBoxChanged")) {
      setPriceLabel();
    } else if (okButton == e.getSource()) {
      TrainScheduleController controller = gui.getController();
      int initStation = controller.getStationId((String) initStationCombo.getSelectedItem());
      int destStation = controller.getStationId((String) destStationCombo.getSelectedItem());

      if (initStation == destStation) {
        JOptionPane.showMessageDialog(
            gui.getWindow(), Labels.same_stations_error, Labels.error, JOptionPane.ERROR_MESSAGE);
        return;
      }

      int routeId = controller.getRouteId(initStation, destStation);
      if (routeId < 0) {
        JOptionPane.showMessageDialog(
            gui.getWindow(), Labels.route_not_exists, Labels.error, JOptionPane.ERROR_MESSAGE);
        return;
      }

      if (priceLabel.getText().isEmpty() || priceLabel.getText().equals(Labels.unknown)) {
        JOptionPane.showMessageDialog(
            gui.getWindow(), Labels.price_unknown, Labels.error, JOptionPane.ERROR_MESSAGE);
        return;
      }

      Purchase purchase = new Purchase();
      purchase.setRoute(
          gui.getController()
              .getRoute(
                  (String) initStationCombo.getSelectedItem(),
                  (String) destStationCombo.getSelectedItem())
              .getId());
      java.util.Date now = new java.util.Date();
      java.sql.Date date = new java.sql.Date(now.getTime());
      purchase.setDate(date);
      purchase.setTime(new Time(Calendar.getInstance().getTimeInMillis()));
      if (!controller.addPurchase(purchase)) {

      } else {
        setVisible(false);
      }
    } else if (cancelButton == e.getSource()) {
      setVisible(false);
    }
  }
 private void setPriceLabel() {
   int price =
       gui.getController()
           .getPriceOfRoute(
               (String) initStationCombo.getSelectedItem(),
               (String) destStationCombo.getSelectedItem());
   priceLabel.setText(price <= 0 ? Labels.unknown : (price + " Ft"));
 }
  private JPanel createSettingPanel() {
    // Fill ComboBox Items
    List<Station> stations = gui.getController().getStations();
    for (Station station : stations) {
      initStationCombo.addItem(station.getName());
      destStationCombo.addItem(station.getName());
    }

    destStationCombo.setSelectedIndex(1);
    initStationCombo.addActionListener(this);
    destStationCombo.addActionListener(this);

    JPanel settingPanel = new JPanel();
    settingPanel.setLayout(new GridLayout(0, 2, 3, 10));
    settingPanel.add(new JLabel(Labels.initial_station_label, SwingConstants.RIGHT));
    settingPanel.add(initStationCombo);
    settingPanel.add(new JLabel(Labels.destination_station_label, SwingConstants.RIGHT));
    settingPanel.add(destStationCombo);

    Calendar calendar = Calendar.getInstance();
    dateLabel.setText(
        calendar.get(Calendar.YEAR)
            + ". "
            + (calendar.get(Calendar.MONTH) + 1)
            + ". "
            + calendar.get(Calendar.DAY_OF_MONTH)
            + ".");
    settingPanel.add(new JLabel(Labels.date_label, SwingConstants.RIGHT));
    settingPanel.add(dateLabel);

    int min = calendar.get(Calendar.MINUTE);
    timeLabel.setText(calendar.get(Calendar.HOUR_OF_DAY) + ":" + (min < 9 ? "0" : "") + min);
    settingPanel.add(new JLabel(Labels.time_label, SwingConstants.RIGHT));
    settingPanel.add(timeLabel);

    settingPanel.add(new JLabel(Labels.price_label, SwingConstants.RIGHT));
    settingPanel.add(priceLabel);
    setPriceLabel();

    return settingPanel;
  }