public override void OnActivated()
{
base.OnActivated(); // CollectionModuleBase handles activation of common parts
Series = state_manager.CurrentCollection.Series.Select(s => new SeriesViewModel(s)).ToObservableCollection();
SelectedSeries = Series.FirstOrDefault();
collection_subscription = state_manager.CurrentCollection.Series.SomethingChanged.Subscribe(_ => Update());
}
public override void OnDeactivated()
{
base.OnDeactivated(); // CollectionModuleBase handles deactivation of common parts
collection_subscription.Dispose();
collection_subscription = null;
Series.DisposeAll();
Series = null;
SelectedSeries = null;
}
private void Update()
{
var selected_series = SelectedSeries?.Obj;
Series.DisposeAll();
Series = state_manager.CurrentCollection.Series.Select(s => new SeriesViewModel(s)).ToObservableCollection();
SelectedSeries = Series.FirstOrDefault(s => s.Metadata["GoodreadsSeriesId"] == selected_series?.Metadata["GoodreadsSeriesId"]);
// If selected_series was null, we will end up here
if (SelectedSeries == null)
{
SelectedSeries = Series.FirstOrDefault();
}
}