/// <summary>
/// Removing genre from the static list on button click
/// </summary>
/// <param name="sender">The source of the event</param>
/// <param name="e">The instance containing the event data</param>
private void RemoveButton_Click(object sender, RoutedEventArgs e)
{
if (Genres.GenresList.Count < 1)
{
MessageBox.Show("No genres to remove.");
return;
}
GenreDetailViewModel viewmodel = (GenreDetailViewModel)DataContext;
Genre genre = Genres.GetGenre(viewmodel.MyGenre.GenreId);
if (genre.BooksList.Count > 0)
{
MessageBox.Show("Genre cannot be removed. The associated books must be removed first.");
}
else if (MessageBox.Show("Are you sure you want to remove the genre?", "Remove genre", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
Genres.RemoveGenre(genre.GenreId);
Genres.AreRemovedItems = true;
var mw = Application.Current.Windows
.Cast <Window>()
.FirstOrDefault(window => window is MainWindow) as MainWindow;
mw.DataContext = new
{
collection = new GenresListViewModel(),
detail = new GenreDetailViewModel(Genres.GetGenre(Genres.GenresList.Count))
};
}
}
/// <summary>
/// Setting genre to be updated, if user has clicked the input field
/// </summary>
/// <param name="sender">The source of the event</param>
/// <param name="e">The instance containing the event data</param>
private void TxtName_GotFocus(object sender, RoutedEventArgs e)
{
GenreDetailViewModel viewmodel = (GenreDetailViewModel)DataContext;
Genre genre = viewmodel.MyGenre;
genre.IsUpdated = true;
Genres.IsUpdated = true;
}
public async Task <ActionResult> Add(GenreDetailViewModel vm)
{
await _genreRepository.AddGenre(new Genre
{
Name = vm.Name
});
return(RedirectToAction("Index"));
}
public async Task <ActionResult> Edit(Guid id, GenreDetailViewModel vm)
{
await _genreRepository.EditGenre(new Genre
{
Id = id,
Name = vm.Name
});
return(RedirectToAction("Index"));
}
public GenreDetailViewModelTests()
{
eventAggregatorMock = new Mock <IEventAggregator>();
metroDialogServiceMock = new Mock <IMetroDialogService>();
genreRepoMock = new Mock <IRepository <Genre> >();
genreLookupServiceMock = new Mock <IGenreLookupDataService>();
viewModel = new GenreDetailViewModel(eventAggregatorMock.Object,
metroDialogServiceMock.Object,
genreRepoMock.Object,
genreLookupServiceMock.Object);
}
public GenreDetailPage(GenreDetailViewModel viewModel)
{
InitializeComponent();
BindingContext = ViewModel = viewModel;
viewModel.Navigation = Navigation;
// Der Backbutton wird von Xamarin für Android nicht erwartungsgemäß behandelt: OnBackButtonPressed wird nicht gefeuert,
// wenn man ihn antippt. Dann funktioniert die Validierung nicht => Abschalten
if (Device.RuntimePlatform == Device.Android)
{
NavigationPage.SetHasBackButton(this, false);
}
}
public GenreDetailViewModelTests()
{
var eventAggregatorMock = new Mock <IEventAggregator>();
var loggerMock = new Mock <ILogger>();
var genreLookupServiceMock = new Mock <IGenreLookupDataService>();
var genreRepoMock = new Mock <IRepository <Genre> >();
var domainService = new GenreService(genreRepoMock.Object);
var dialogService = new DialogService();
viewModel = new GenreDetailViewModel(eventAggregatorMock.Object,
loggerMock.Object,
domainService,
genreLookupServiceMock.Object,
dialogService);
}
public async Task <ActionResult> Edit(Guid id)
{
var existingGenre = await _genreRepository.GetGenreById(id);
if (existingGenre != null)
{
var vm = new GenreDetailViewModel {
Name = existingGenre.Name
};
return(View(vm));
}
else
{
return(RedirectToAction("Index"));
}
}
public IActionResult Detail(int id)
{
var genreInfo = _repository.Genres.First(it => it.GenreId == id);
var books = _repository.Books.Where(it => it.GenreId == id).ToList();
if (genreInfo != null && books != null)
{
var viewModel = new GenreDetailViewModel {
GenreId = genreInfo.GenreId,
Books = books,
GenreName = genreInfo.Nome
};
viewModel.Authors = _repository.BookAuthors.Where(it => it.Book.GenreId == id).Include(it => it.Author).ToList();
return(View(viewModel));
}
else
{
return(Redirect("catalog/error"));
}
}
/// <summary>
/// Checking that the genre's name is not empty and that it doesn't already exist
/// </summary>
/// <param name="sender">The source of the event</param>
/// <param name="e">The instance containing the event data</param>
private void TxtName_LostFocus(object sender, RoutedEventArgs e)
{
GenreDetailViewModel viewmodel = (GenreDetailViewModel)DataContext;
Genre oldGenre = viewmodel.MyGenre;
if (string.IsNullOrEmpty(txtName.Text))
{
MessageBox.Show("Field cannot be empty!");
txtName.Text = oldGenre.Name;
}
foreach (var genre in Genres.GenresList)
{
if (genre.Name == txtName.Text && (oldGenre.GenreId != genre.GenreId))
{
MessageBox.Show("Genre already exists!");
txtName.Text = oldGenre.Name;
break;
}
}
}
