public CollectionViewModel(
INotificationCenter notification,
IUserDatabase userDatabase,
ICardDatabase cardDatabase,
IApplicationSettings applicationSettings)
{
_notification = notification;
_userDatabase = userDatabase;
_cardDatabase = cardDatabase;
_applicationSettings = applicationSettings;
Collections = _userDatabase
.GetAllCollections()
.Select(c => new SingleCollectionViewModell(notification, _userDatabase, _cardDatabase, c));
ISingleCollectionViewModel loadedCollection = null;
Task.Factory.StartNew(() =>
{
var currentCollectionName = _applicationSettings.GetCurrentCollection();
var found = Collections.FirstOrDefault(c => c.CollectionName == currentCollectionName);
loadedCollection = LoadCollection(found);
}).ContinueWith((task) =>
{
SelectedCollection = loadedCollection;
}, TaskScheduler.FromCurrentSynchronizationContext());
}