copy multiple nodes

src/SharpIDE.Godot/Features/SolutionExplorer/SolutionExplorerPanel.Clipboard.cs

@@ -7,37 +7,54 @@ namespace SharpIDE.Godot.Features.SolutionExplorer;
 
 public partial class SolutionExplorerPanel
 {
-    private void CopySelectedNodeToSlnExplorerClipboard()
+    private void CopySelectedNodesToSlnExplorerClipboard() => AddSelectedNodesToSlnExplorerClipboard(ClipboardOperation.Copy);
+    private void CutSelectedNodeToSlnExplorerClipboard() => AddSelectedNodesToSlnExplorerClipboard(ClipboardOperation.Cut);
+    private void AddSelectedNodesToSlnExplorerClipboard(ClipboardOperation clipboardOperation)
     {
-        var selected = _tree.GetSelected();
-        if (selected is null) return;
-        var genericMetadata = selected.GetMetadata(0).As<RefCounted?>();
-        if (genericMetadata is RefCountedContainer<SharpIdeFile> fileContainer)
-        {
-            _itemOnClipboard = (fileContainer.Item, ClipboardOperation.Copy);
-        }
+        var selectedItems = GetSelectedTreeItems();
+        if (selectedItems.Count is 0) return;
+        _itemsOnClipboard = (selectedItems
+            .Select(item => item.GetMetadata(0).As<RefCounted?>())
+            .OfType<RefCountedContainer<SharpIdeFile>>()
+            .Select(s => s.Item)
+            .ToList(),
+            ClipboardOperation.Copy);
     }
     
-    private void CutSelectedNodeToSlnExplorerClipboard()
+    private List<TreeItem> GetSelectedTreeItems()
     {
-        var selected = _tree.GetSelected();
-        if (selected is null) return;
-        var genericMetadata = selected.GetMetadata(0).As<RefCounted?>();
-        if (genericMetadata is RefCountedContainer<SharpIdeFile> fileContainer)
+        var selectedItems = new List<TreeItem>();
+        var currentItem = _tree.GetNextSelected(null);
+        while (currentItem != null)
         {
-            _itemOnClipboard = (fileContainer.Item, ClipboardOperation.Cut);
+            selectedItems.Add(currentItem);
+            currentItem = _tree.GetNextSelected(currentItem);
         }
+        return selectedItems;
+    }
+    
+    private bool HasMultipleNodesSelected()
+    {
+        var selectedCount = 0;
+        var currentItem = _tree.GetNextSelected(null);
+        while (currentItem != null)
+        {
+            selectedCount++;
+            if (selectedCount > 1) return true;
+            currentItem = _tree.GetNextSelected(currentItem);
+        }
+        return false;
     }
     
     private void ClearSlnExplorerClipboard()
     {
-        _itemOnClipboard = null;
+        _itemsOnClipboard = null;
     }
 
     private void CopyNodeFromClipboardToSelectedNode()
     {
         var selected = _tree.GetSelected();
-        if (selected is null || _itemOnClipboard is null) return;
+        if (selected is null || _itemsOnClipboard is null) return;
         var genericMetadata = selected.GetMetadata(0).As<RefCounted?>();
         IFolderOrProject? folderOrProject = genericMetadata switch
         {
@@ -47,13 +64,16 @@ public partial class SolutionExplorerPanel
         };
         if (folderOrProject is null) return;
 			
-        var (fileToPaste, operation) = _itemOnClipboard.Value;
-        _itemOnClipboard = null;
+        var (filesToPaste, operation) = _itemsOnClipboard.Value;
+        _itemsOnClipboard = null;
         _ = Task.GodotRun(async () =>
         {
             if (operation is ClipboardOperation.Copy)
             {
-                await _ideFileOperationsService.CopyFile(folderOrProject, fileToPaste.Path, fileToPaste.Name);
+                foreach (var fileToPaste in filesToPaste)
+                {
+                    await _ideFileOperationsService.CopyFile(folderOrProject, fileToPaste.Path, fileToPaste.Name);
+                }
             }
         });
     }

src/SharpIDE.Godot/Features/SolutionExplorer/SolutionExplorerPanel.cs

@@ -28,7 +28,8 @@ public partial class SolutionExplorerPanel : MarginContainer
 	private Tree _tree = null!;
 	private TreeItem _rootItem = null!;
 	private enum ClipboardOperation { Cut, Copy }
-	private (SharpIdeFile, ClipboardOperation)? _itemOnClipboard;
+
+	private (List<SharpIdeFile>, ClipboardOperation)? _itemsOnClipboard;
 	public override void _Ready()
 	{
 		_tree = GetNode<Tree>("Tree");
@@ -41,7 +42,7 @@ public partial class SolutionExplorerPanel : MarginContainer
 		// Copy
 		if (@event is InputEventKey { Pressed: true, Keycode: Key.C, CtrlPressed: true })
 		{
-			CopySelectedNodeToSlnExplorerClipboard();
+			CopySelectedNodesToSlnExplorerClipboard();
 		}
 		// Cut
 		else if (@event is InputEventKey { Pressed: true, Keycode: Key.X, CtrlPressed: true })
@@ -53,12 +54,21 @@ public partial class SolutionExplorerPanel : MarginContainer
 		{
 			CopyNodeFromClipboardToSelectedNode();
 		}
+		else if (@event is InputEventKey { Pressed: true, Keycode: Key.Delete })
+		{
+			// TODO: DeleteSelectedNodes();
+		}
+		else if (@event is InputEventKey { Pressed: true, Keycode: Key.Escape })
+		{
+			ClearSlnExplorerClipboard();
+		}
 	}
 
 	private void TreeOnItemMouseSelected(Vector2 mousePosition, long mouseButtonIndex)
 	{
 		var selected = _tree.GetSelected();
 		if (selected is null) return;
+		if (HasMultipleNodesSelected()) return;
 		
 		var mouseButtonMask = (MouseButtonMask)mouseButtonIndex;
 

src/SharpIDE.Godot/Features/SolutionExplorer/SolutionExplorerPanel.tscn

@@ -27,3 +27,4 @@ theme_override_constants/v_separation = 1
 theme_override_constants/inner_item_margin_left = 2
 theme_override_constants/draw_guides = 0
 allow_rmb_select = true
+select_mode = 2