Incremental item loading, movement does not respect order

src/Core/FileTime.Core.Abstraction/ContentAccess/IContentProvider.cs

@@ -22,7 +22,6 @@ public interface IContentProvider : IContainer, IOnContainerEnter
         AbsolutePathType forceResolvePathType = AbsolutePathType.Unknown,
         ItemInitializationSettings itemInitializationSettings = default);
 
-    Task<List<AbsolutePath>> GetItemsByContainerAsync(FullName fullName, PointInTime pointInTime);
     NativePath GetNativePath(FullName fullName);
 
     Task<byte[]?> GetContentAsync(IElement element, int? maxLength = null, CancellationToken cancellationToken = default);

src/Core/FileTime.Core.ContentAccess/ContentProviderBase.cs

@@ -78,7 +78,6 @@ public abstract class ContentProviderBase : IContentProvider
         AbsolutePathType forceResolvePathType = AbsolutePathType.Unknown,
         ItemInitializationSettings itemInitializationSettings = default);
 
-    public abstract Task<List<AbsolutePath>> GetItemsByContainerAsync(FullName fullName, PointInTime pointInTime);
     public abstract NativePath GetNativePath(FullName fullName);
 
     public abstract Task<byte[]?> GetContentAsync(IElement element,

src/Core/FileTime.Core.Models/Container.cs

@@ -26,7 +26,14 @@ public record Container(
     ReadOnlyExtensionCollection Extensions,
     IObservable<IObservable<IChangeSet<AbsolutePath, string>>?> Items) : IContainer
 {
-    BehaviorSubject<bool> IsLoading { get; } = new(false);
+    private readonly CancellationTokenSource _loadingCancellationTokenSource = new();
+    public CancellationToken LoadingCancellationToken => _loadingCancellationTokenSource.Token;
+    public BehaviorSubject<bool> IsLoading { get; } = new(false);
     IObservable<bool> IContainer.IsLoading => IsLoading.AsObservable();
     public AbsolutePathType Type => AbsolutePathType.Container;
+
+    public void CancelLoading()
+    {
+        _loadingCancellationTokenSource.Cancel();
+    }
 }

src/Core/FileTime.Core.Services/Tab.cs

@@ -2,6 +2,7 @@ using System.Reactive.Linq;
 using System.Reactive.Subjects;
 using DynamicData;
 using DynamicData.Alias;
+using DynamicData.Binding;
 using FileTime.Core.Helper;
 using FileTime.Core.Models;
 using FileTime.Core.Timeline;
@@ -52,7 +53,11 @@ public class Tab : ITab
                             .Switch()
                             .Select(items => items?.TransformAsync(MapItem)),
                         _itemFilters.Connect().StartWithEmpty().ToCollection(),
-                        (items, filters) => items?.Where(i => filters.All(f => f.Filter(i)))),
+                        (items, filters) =>
+                            items
+                                ?.Where(i => filters.All(f => f.Filter(i)))
+                                .Sort(SortItems())
+                    ),
                     CurrentLocation
                         .Where(c => c is null)
                         .Select(_ => (IObservable<IChangeSet<IItem, string>>?)null)
@@ -89,6 +94,12 @@ public class Tab : ITab
         });
     }
 
+    private static SortExpressionComparer<IItem> SortItems()
+        //TODO: Order
+        => SortExpressionComparer<IItem>
+            .Ascending(i => i.Type)
+            .ThenByAscending(i => i.DisplayName?.ToLower() ?? "");
+
     private async Task<IItem> MapItem(AbsolutePath item) => await item.ResolveAsync(true);
 
     public void Init(IContainer currentLocation)