From cf6cddeae5ce6595ee1811a30b71b8b07cebc649 Mon Sep 17 00:00:00 2001
From: Icarus <1375400884@qq.com>
Date: Mon, 9 Dec 2019 11:10:25 +0800
Subject: [PATCH] =?UTF-8?q?!BO(Menu=20Tree=20View)=20=E5=8F=AF=E8=83=BD?=
 =?UTF-8?q?=E4=BC=9A=E5=87=BA=E7=8E=B0=E5=A4=9A=E4=B8=AA=E7=9B=B8=E5=90=8C?=
 =?UTF-8?q?=E8=8F=9C=E5=8D=95,=E5=88=A0=E9=99=A4=E4=BA=86`OnFocus`?=
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---
 Scripts/Editor/NodeGraphEditor.cs | 20 +++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/Scripts/Editor/NodeGraphEditor.cs b/Scripts/Editor/NodeGraphEditor.cs
index b7f2077..99986fd 100644
--- a/Scripts/Editor/NodeGraphEditor.cs
+++ b/Scripts/Editor/NodeGraphEditor.cs
@@ -156,6 +156,17 @@ namespace XNodeEditor {
                         break;
                     }
 
+                    if (last.hasChildren)
+                    {
+                        foreach (var child in last.children)
+                        {
+                            if (child.displayName == path)
+                            {
+                                return;
+                            }
+                        }
+                    }
+                    
                     var temp = new TreeViewItem(_id++,depth++,path);
                     
                     last.AddChild(temp);
@@ -248,15 +259,6 @@ namespace XNodeEditor {
         /// <summary> Called when opened by NodeEditorWindow </summary>
         public virtual void OnOpen() { }
 
-        public virtual void OnFocus()
-        {
-            foreach (var targetNode in target.nodes)
-            {
-                var editor = NodeEditor.GetEditor(targetNode, window);
-                editor?.OnInit();
-            }
-        }
-        
         public virtual Texture2D GetGridTexture() {
             return NodeEditorPreferences.GetSettings().gridTexture;
         }