private void Init()
{
var keyObservable = KeySubject.DistinctUntilChanged()
.Merge(DataSubject
.Select(_ => GetKey(_))
.Where(_ => _ != null))
.DistinctUntilChanged();
ReplaySubject <Unit> one = new ReplaySubject <Unit>();
ReplaySubject <Unit> two = new ReplaySubject <Unit>();
Build(keyObservable)
.ObserveOnDispatcher()
.Subscribe(a =>
{
interactiveCollectionBase = a;
one.OnNext(Unit.Default);
});
GroupSubject.Where(a => a != null).Take(1)
.Subscribe(a =>
{
BuildGroup(keyObservable)
.ObserveOnDispatcher()
.Subscribe(a =>
{
interactivecollectionGroupBase = a;
two.OnNext(Unit.Default);
});
});
GroupSubject.Subscribe(g =>
{
if (g == null)
{
one.Take(1).CombineLatest(InteractiveCollectionBaseSubject.Where(a => a == null), (a, b) => (a, b)).Subscribe(a =>
CollectionChanged(interactiveCollectionBase));
}
else
{
two.Take(1).Subscribe(a =>
CollectionChanged(interactivecollectionGroupBase));
}
});
InteractiveCollectionBaseSubject
.Where(a => a != null)
.Subscribe(a =>
{
interactiveCollectionBase = a;
CollectionChanged(interactiveCollectionBase);
});
}
private void CollectionChanged(InteractiveCollectionBase <object> interactiveCollection)
{
ItemsSource = interactiveCollection.Items;
interactiveCollection.SelectDoubleClicked().Subscribe(a =>
Dispatcher.InvokeAsync(() => DoubleClickedItem = a, System.Windows.Threading.DispatcherPriority.Background, default));
interactiveCollection.SelectSelected().Subscribe(a =>
Dispatcher.InvokeAsync(() => SelectedItem = a, System.Windows.Threading.DispatcherPriority.Background, default));
interactiveCollection.SelectRemoved().Subscribe(a =>
Dispatcher.InvokeAsync(() => Deleted = a, System.Windows.Threading.DispatcherPriority.Background, default));
interactiveCollection.Changes.Subscribe(a => { changes.OnNext(a); changeCollection.Add(a); });
Dispatcher.InvokeAsync(() => AllChanges = changeCollection, System.Windows.Threading.DispatcherPriority.Background, default);
Dispatcher.InvokeAsync(() => Checked = interactiveCollection.Checked, System.Windows.Threading.DispatcherPriority.Background, default);
}
