/// <inheritdoc />
/// <summary>
/// Initializes a new instance of the <see cref="T:BusinessLogicWPF.View.Admin.UserControls.AddTrain" /> class.
/// </summary>
public AddTrain()
{
this.InitializeComponent();
this.DataContext = new AddTrainViewModel();
this.MainGrid.Visibility = Visibility.Visible;
this.NavigateToRoute.Visibility = Visibility.Collapsed;
// ComboBox Section
if (DataHelper.StationsList != null)
{
this.sourceStations = DataHelper.StationsList.Stations.Values.ToList();
}
this.ComboBoxTrainSource.ItemsSource = this.sourceStations;
this.ComboBoxTrainDestination.ItemsSource = this.sourceStations;
// TreeView Section
this.root = new MenuItem {
Name = "Coach"
};
// We should delete this part as here we are initializing the whole list for coaches
var enumerable = this.list;
if (enumerable != null)
{
foreach (var item in enumerable)
{
var observableCollection = this.root.Items;
observableCollection?.Add(new MenuItem {
Name = item
});
}
}
this.TreeView.Items.Add(this.root);
}
/// <summary>
/// The button add on click.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The e.
/// </param>
private async void ButtonAddOnClick([CanBeNull] object sender, [CanBeNull] RoutedEventArgs e)
{
try
{
if (string.Compare(this.currentSelectedItem, "Coach", StringComparison.Ordinal) == 0)
{
var dialog1 = new SelectionDialog {
DataContext = new SelectCoachCategoryViewModel()
};
var result1 = await DialogHost.Show(dialog1, "RootDialog")
.ConfigureAwait(false);
if ((bool)result1)
{
this.Dispatcher.Invoke(
() =>
{
var coaches = this.root.Items ?? throw new InvalidOperationException();
var item = new MenuItem {
Name = DataHelper.SelectedCoach
};
if (!coaches.Contains(item))
{
coaches.Add(item);
}
this.TreeView.Items[0] = this.root;
});
}
}
else
{
var o = this.list;
if (o?.Contains(this.currentSelectedItem) == true)
{
DataHelper.SelectedCoach = (this.list ?? throw new InvalidOperationException()).FirstOrDefault(
a => a.Contains(this.currentSelectedItem ?? throw new InvalidOperationException()));
var dialog2 = new SelectionDialog {
DataContext = new EnterCoachesViewModel()
};
var result2 = await DialogHost.Show(dialog2, "RootDialog")
.ConfigureAwait(false);
if ((bool)result2)
{
this.Dispatcher.Invoke(
() =>
{
var coaches =
(this.root.Items ?? throw new InvalidOperationException()).FirstOrDefault(
c => c.Name == DataHelper.SelectedCoach);
if (DataHelper.CoachesList != null)
{
foreach (var coach in DataHelper.CoachesList)
{
coaches?.Items?.Add(new MenuItem {
Name = coach
});
}
}
this.TreeView.Items[0] = this.root;
});
}
}
else
{
MessageBox.Show("Invalid request!");
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}