/// <summary>
/// Removing author 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 (Authors.AuthorsList.Count < 1)
{
MessageBox.Show("No authors to remove.");
return;
}
AuthorDetailViewModel viewmodel = (AuthorDetailViewModel)DataContext;
Author author = Authors.GetAuthor(viewmodel.MyAuthor.AuthorId);
if (author.BooksList.Count > 0)
{
MessageBox.Show("Author cannot be removed. Associated books must be removed first.");
}
else if (MessageBox.Show("Are you sure you want to remove the author?", "Remove author", MessageBoxButton.YesNo) == MessageBoxResult.Yes)
{
Authors.RemoveAuthor(author.AuthorId);
Authors.AreRemovedItems = true;
var mw = Application.Current.Windows
.Cast <Window>()
.FirstOrDefault(window => window is MainWindow) as MainWindow;
mw.DataContext = new
{
collection = new AuthorsListViewModel(),
detail = new AuthorDetailViewModel(Authors.GetAuthor(Authors.AuthorsList.Count))
};
}
}
/// <summary>
/// Loading right context to the main window
/// </summary>
private void ActivateMainWindow()
{
var mw = Application.Current.Windows
.Cast <Window>()
.FirstOrDefault(window => window is MainWindow) as MainWindow;
switch (mw.comboBox.SelectedIndex)
{
case 0:
mw.DataContext = new
{
collection = new BooksListViewModel(),
detail = new BookDetailViewModel(Books.GetBook(1))
};
break;
case 1:
mw.DataContext = new
{
collection = new AuthorsListViewModel(),
detail = new AuthorDetailViewModel(Authors.GetAuthor(1))
};
break;
case 2:
mw.DataContext = new
{
collection = new GenresListViewModel(),
detail = new GenreDetailViewModel(Genres.GetGenre(1))
};
break;
default:
break;
}
}