public override void OnActivated()
{
base.OnActivated(); // CollectionModuleBase handles activation of common parts
ShelvesList.Activate();
BookDetails.Activate();
UpdateSelectedShelves();
// Show message if there are no books in the collection
if (!state_manager.CurrentCollection.Books.Any())
{
MessageBus.Current.SendMessage(new InformationMessage("No books in collection, import here", "Go", () => MessageBus.Current.SendMessage(NavigationMessage.Import)));
}
book_view_models = state_manager.CurrentCollection
.Books
.Select(b => new BookViewModel(b))
.ToList();
Books = CollectionViewSource.GetDefaultView(book_view_models);
Books.Filter = Filter;
current_book_disposable = Books.Events()
.WhenAnyObservable(x => x.CurrentChanged)
.Select(_ => Books.CurrentItem as BookViewModel)
.Subscribe(vm => BookDetails.CurrentBook = vm?.Obj);
// This is needed to update the book details
Books.Refresh();
}
public override void OnDeactivated()
{
base.OnDeactivated(); // CollectionModuleBase handles deactivation of common parts
ShelvesList.Deactivate();
BookDetails.Deactivate();
selected_shelves = null;
current_book_disposable.Dispose();
current_book_disposable = null;
SearchField.Clear(); // This will also clear the search_results
Books = null;
book_view_models.DisposeAll();
book_view_models = null;
}
