From 94f1dff497e91a564233eede25f54a824c4852b5 Mon Sep 17 00:00:00 2001
From: Chandler Cox <mr.chandlercox@gmail.com>
Date: Tue, 21 Nov 2023 15:40:34 -0600
Subject: [PATCH] Add main content nodes to not be duplicated.

---
 Source/Editor/Content/Tree/ContentTreeNode.cs     | 7 ++++++-
 Source/Editor/Content/Tree/MainContentTreeNode.cs | 3 +++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/Source/Editor/Content/Tree/ContentTreeNode.cs b/Source/Editor/Content/Tree/ContentTreeNode.cs
index f13aec2d4..4560d35c9 100644
--- a/Source/Editor/Content/Tree/ContentTreeNode.cs
+++ b/Source/Editor/Content/Tree/ContentTreeNode.cs
@@ -28,6 +28,11 @@ namespace FlaxEditor.Content
         /// Whether this node can be deleted.
         /// </summary>
         protected virtual bool _canDelete => true;
+        
+        /// <summary>
+        /// Whether this node can be duplicated.
+        /// </summary>
+        protected virtual bool _canDuplicate => true;
 
         /// <summary>
         /// Gets the content folder item.
@@ -315,7 +320,7 @@ namespace FlaxEditor.Content
                     switch (key)
                     {
                     case KeyboardKeys.D:
-                        if (Folder.Exists)
+                        if (Folder.Exists && _canDuplicate)
                             Editor.Instance.Windows.ContentWin.Duplicate(Folder);
                         return true;
                     }
diff --git a/Source/Editor/Content/Tree/MainContentTreeNode.cs b/Source/Editor/Content/Tree/MainContentTreeNode.cs
index 23895a669..16115e1cf 100644
--- a/Source/Editor/Content/Tree/MainContentTreeNode.cs
+++ b/Source/Editor/Content/Tree/MainContentTreeNode.cs
@@ -15,6 +15,9 @@ namespace FlaxEditor.Content
         /// <inheritdoc />
         protected override bool _canDelete => false;
 
+        /// <inheritdoc />
+        protected override bool _canDuplicate => false;
+
         /// <summary>
         /// Initializes a new instance of the <see cref="MainContentTreeNode"/> class.
         /// </summary>