WIP: RapidTravel, ModalService

src/AppCommon/FileTime.App.Core.Abstraction/Models/BindedCollection.cs

@@ -1,12 +1,17 @@
 using System.Collections.ObjectModel;
+using System.ComponentModel;
 using DynamicData;
+using PropertyChanged.SourceGenerator;
 
 namespace FileTime.App.Core.Models;
 
-public class BindedCollection<T> : IDisposable
+public partial class BindedCollection<T> : IDisposable, INotifyPropertyChanged
 {
     private readonly IDisposable _disposable;
-    public ReadOnlyObservableCollection<T> Collection { get; }
+    private IDisposable? _innerDisposable;
+
+    [Notify] private ReadOnlyObservableCollection<T>? _collection;
+
     public BindedCollection(IObservable<IChangeSet<T>> dynamicList)
     {
         _disposable = dynamicList
@@ -14,12 +19,34 @@ public class BindedCollection<T> : IDisposable
             .DisposeMany()
             .Subscribe();
 
-        Collection = collection;
+        _collection = collection;
+    }
+
+    public BindedCollection(IObservable<IObservable<IChangeSet<T>>?> dynamicListSource)
+    {
+        _disposable = dynamicListSource.Subscribe(dynamicList =>
+        {
+            _innerDisposable?.Dispose();
+            if (dynamicList is not null)
+            {
+                _innerDisposable = dynamicList
+                    .Bind(out var collection)
+                    .DisposeMany()
+                    .Subscribe();
+
+                Collection = collection;
+            }
+            else
+            {
+                Collection = null;
+            }
+        });
     }
 
     public void Dispose()
     {
         _disposable.Dispose();
+        _innerDisposable?.Dispose();
         GC.SuppressFinalize(this);
     }
 }