private void FillRouteSource()
 {
     if (CurStation.Name == AllStations.First().Name)
     {
         ComboBoxRoutes.ItemsSource = AllRoutes.Concat(Db.Routes.Items);
     }
     else
     {
         StationSelect();
     }
 }
        public MainWindow()
        {
            InitializeComponent();
            SetSelectItems();
            if (MessageBox.Show("Do you want to load from database?", "Loading priority",
                                MessageBoxButton.YesNo) == MessageBoxResult.Yes)
            {
                Db = Factory.Instance.GetDatabaseStorage();
            }
            else
            {
                Db = Factory.Instance.GetFileStorage(false);
            }

            CurRoute   = AllRoutes.First();
            CurStation = AllStations.First();
            FillStationSource();
            FillRouteSource();
        }
 private void ButtonAddFavorite_Click(object sender, RoutedEventArgs e)
 {
     if (CurStation.Name != AllStations.First().Name)
     {
         if (CurrentUser.FavoriteStations.Find(st => st.StationId == CurStation.Id) != null)
         {
             MessageBox.Show("The station has already been in favorites!");
         }
         else
         {
             AddFavoriteWindow window = new AddFavoriteWindow(this)
             {
                 Owner = this
             };
             window.ShowDialog();
         }
     }
     else
     {
         MessageBox.Show("Choose a station!", "Attention");
     }
 }