add delete directory

src/SharpIDE.Application/Features/FileWatching/IdeFileOperationsService.cs

@@ -12,4 +12,10 @@ public class IdeFileOperationsService(SharpIdeSolutionModificationService sharpI
 		Directory.CreateDirectory(newDirectoryPath);
 		var newFolder = await _sharpIdeSolutionModificationService.AddDirectory(parentFolder, newDirectoryName);
 	}
+
+	public async Task DeleteDirectory(SharpIdeFolder folder)
+	{
+		Directory.Delete(folder.Path, true);
+		await _sharpIdeSolutionModificationService.RemoveDirectory(folder);
+	}
 }

src/SharpIDE.Application/Features/FileWatching/SharpIdeSolutionModificationService.cs

@@ -17,4 +17,11 @@ public class SharpIdeSolutionModificationService
 		SolutionModel.AllFolders.Add(sharpIdeFolder);
 		return sharpIdeFolder;
 	}
+
+	public async Task RemoveDirectory(SharpIdeFolder folder)
+	{
+		var parentFolderOrProject = (IFolderOrProject)folder.Parent;
+		parentFolderOrProject.Folders.Remove(folder);
+		SolutionModel.AllFolders.Remove(folder);
+	}
 }

src/SharpIDE.Application/Features/SolutionDiscovery/SharpIdeFolder.cs

@@ -5,7 +5,7 @@ using SharpIDE.Application.Features.SolutionDiscovery.VsPersistence;
 
 namespace SharpIDE.Application.Features.SolutionDiscovery;
 
-public class SharpIdeFolder : ISharpIdeNode, IExpandableSharpIdeNode, IChildSharpIdeNode
+public class SharpIdeFolder : ISharpIdeNode, IExpandableSharpIdeNode, IChildSharpIdeNode, IFolderOrProject
 {
 	public required IExpandableSharpIdeNode Parent { get; set; }
 	public required string Path { get; set; }

src/SharpIDE.Application/Features/SolutionDiscovery/VsPersistence/SharpIdeModels.cs

@@ -14,6 +14,12 @@ public interface IExpandableSharpIdeNode
 {
 	public bool Expanded { get; set; }
 }
+
+public interface IFolderOrProject
+{
+	public ObservableHashSet<SharpIdeFolder> Folders { get; init; }
+	public ObservableHashSet<SharpIdeFile> Files { get; init; }
+}
 public interface IChildSharpIdeNode
 {
 	public IExpandableSharpIdeNode Parent { get; set; }

src/SharpIDE.Godot/Features/Common/TreeItemContainer.cs

@@ -15,7 +15,7 @@ public static class ObservableTreeExtensions
     {
         foreach (var existing in hashSet)
         {
-            var viewChangedEvent = new ViewChangedEvent<T, TreeItemContainer>(NotifyCollectionChangedAction.Add, (existing, new TreeItemContainer()), (null!, null!), 0, 0, new SortOperation<T>());
+            var viewChangedEvent = new ViewChangedEvent<T, TreeItemContainer>(NotifyCollectionChangedAction.Add, (existing, new TreeItemContainer()), (null!, null!), -1, -1, new SortOperation<T>());
             func(viewChangedEvent);
         }
         return hashSet;

src/SharpIDE.Godot/Features/SolutionExplorer/ContextMenus/FolderContextMenu.cs

@@ -1,4 +1,5 @@
 using Godot;
+using SharpIDE.Application.Features.FileWatching;
 using SharpIDE.Application.Features.SolutionDiscovery;
 using SharpIDE.Godot.Features.SolutionExplorer.ContextMenus.Dialogs;
 
@@ -7,7 +8,8 @@ namespace SharpIDE.Godot.Features.SolutionExplorer;
 file enum FolderContextMenuOptions
 {
     CreateNew = 1,
-    RevealInFileExplorer = 2
+    RevealInFileExplorer = 2,
+    Delete = 3
 }
 
 file enum CreateNewSubmenuOptions
@@ -18,6 +20,7 @@ file enum CreateNewSubmenuOptions
 
 public partial class SolutionExplorerPanel
 {
+    [Inject] private readonly IdeFileOperationsService _ideFileOperationsService = null!;
     private void OpenContextMenuFolder(SharpIdeFolder folder)
     {
         var menu = new PopupMenu();
@@ -30,6 +33,7 @@ public partial class SolutionExplorerPanel
         createNewSubmenu.IdPressed += id => OnCreateNewSubmenuPressed(id, folder);
         
         menu.AddItem("Reveal in File Explorer", (int)FolderContextMenuOptions.RevealInFileExplorer);
+        menu.AddItem("Delete", (int)FolderContextMenuOptions.Delete);
         menu.PopupHide += () => menu.QueueFree();
         menu.IdPressed += id =>
         {
@@ -38,6 +42,31 @@ public partial class SolutionExplorerPanel
             {
                 OS.ShellOpen(folder.Path);
             }
+            else if (actionId is FolderContextMenuOptions.Delete)
+            {
+                var confirmedTcs = new TaskCompletionSource<bool>();
+                var confirmationDialog = new ConfirmationDialog();
+                confirmationDialog.Title = "Delete";
+                confirmationDialog.DialogText = $"Delete '{folder.Name}' file?";
+                confirmationDialog.Confirmed += () =>
+                {
+                    confirmedTcs.SetResult(true);
+                };
+                confirmationDialog.Canceled += () =>
+                {
+                    confirmedTcs.SetResult(false);
+                };
+                AddChild(confirmationDialog);
+                confirmationDialog.PopupCentered();
+                _ = Task.GodotRun(async () =>
+                {
+                    var confirmed = await confirmedTcs.Task;
+                    if (confirmed)
+                    {
+                        await _ideFileOperationsService.DeleteDirectory(folder);
+                    }
+                });
+            }
         };
 			
         var globalMousePosition = GetGlobalMousePosition();