//Create an menu item for TNode

TNode/Attribute/AssetMenuCreateAsGraphEditor.cs

@@ -0,0 +1,12 @@
+using System;
+using JetBrains.Annotations;
+using UnityEngine;
+
+namespace TNode.Attribute{
+    [MeansImplicitUse]
+    [AttributeUsage(AttributeTargets.Class, AllowMultiple = true)]
+    [BaseTypeRequired(typeof(ScriptableObject))]
+    public class AssetMenuCreateAsGraphEditorAttribute:System.Attribute{
+        
+    }
+}

TNode/Attribute/AssetMenuCreateAsGraphEditor.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 536eae3bd21b49609d88e3bd24b4d7d0
+timeCreated: 1656038984

TNode/Editor/GraphEditor.cs

@@ -1,6 +1,7 @@
 using Codice.CM.Common;
 using TNode.BaseViews;
 using TNode.Cache;
+using TNode.Editor.Model;
 using TNode.Models;
 using UnityEditor;
 using UnityEngine;
@@ -9,13 +10,18 @@ using UnityEngine.UIElements;
 
 namespace TNode.Editor{
     
+    
     public abstract class GraphEditor<T> : EditorWindow where T:GraphData{ 
         protected DataGraphView<T> _graphView;
         [FormerlySerializedAs("m_VisualTreeAsset")] [SerializeField]
+        
+        
         private VisualTreeAsset mVisualTreeAsset = default;
+        //Persist editor data ,such as node position,node size ,etc ,in this script object
+        public NodeEditorData nodeEditorData;
+    
+        public void CreateGUI(){
             
-        public void CreateGUI()
-        {
             // Each editor window contains a root VisualElement object
             VisualElement root = rootVisualElement;
             
@@ -66,5 +72,6 @@ namespace TNode.Editor{
         protected virtual void OnCreate(){
             
         }
+  
     }
 }

TNode/Editor/Model/NodeEditorData.cs

@@ -5,7 +5,7 @@ using UnityEngine;
 namespace TNode.Editor.Model{
     [Serializable]
     
-    public class NodeEditorData{
+    public class NodeEditorData:ScriptableObject{
         [SerializeReference] public NodeData nodeData;
         public Rect nodePos;
     }

TNode/Editor/Resources/ScriptTemplates.meta

@@ -0,0 +1,3 @@
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+guid: 299cd93109da49408e38effcc26b8287
+timeCreated: 1656052583

TNode/Editor/Resources/ScriptTemplates/NewGraph.cs.txt

@@ -0,0 +1,10 @@
+using TNode.Editor;
+using UnityEditor;
+using UnityEditor.Callbacks;
+using UnityEditor.Experimental.GraphView;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+public class $GraphClassName$ : GraphData{
+    
+}

TNode/Editor/Resources/ScriptTemplates/NewGraph.cs.txt.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 31fa431b7bdc4f1db16057eef0975d36
+timeCreated: 1656054430

TNode/Editor/Resources/ScriptTemplates/NewGraphEditor.cs.txt

@@ -0,0 +1,10 @@
+using TNode.Editor;
+using UnityEditor;
+using UnityEditor.Callbacks;
+using UnityEditor.Experimental.GraphView;
+using UnityEngine;
+using UnityEngine.UIElements;
+
+public class $EditorClassName$ : GraphEditor<$GraphClassName$>{
+
+}

TNode/Editor/Resources/ScriptTemplates/NewGraphEditor.cs.txt.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 574dbcc7c8844b4fa3ded9d767b648bd
+timeCreated: 1656052800

TNode/Editor/Tools.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: ca83c0440a6942dba843d3912d8a246d
+timeCreated: 1656050466

TNode/Editor/Tools/GraphEditorCreator.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: da92e3f72aeb448d90153ed496afaf1f
+timeCreated: 1656050509

TNode/Editor/Tools/GraphEditorCreator/SourceGeneratorForGraphEditor.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using System.Text.RegularExpressions;
+using Microsoft.CodeAnalysis;
+using UnityEngine;
+
+namespace TNode.Editor.Tools.GraphEditorCreator{
+    public class SourceGeneratorForGraphEditor{
+        private readonly Regex Regex = new System.Text.RegularExpressions.Regex("^[a-zA-Z0-9_]+$");
+        public string GenerateGraphEditor(string editorClassName,string graphClassName,string templateName="NewGraphEditor.cs"){
+            //Load Text Asset by Name
+            TextAsset template = Resources.Load<TextAsset>("ScriptTemplates/"+templateName);
+            //Check if the class name is valid
+            if(!Regex.IsMatch(editorClassName)){
+                Debug.LogError("The editor class name is invalid. It must be a valid C# identifier.");
+            }
+            //Check if the graph class name is valid
+            if(!Regex.IsMatch(graphClassName)){
+                Debug.LogError("The graph class name is invalid. It must be a valid C# identifier.");
+            }
+            var source = template.text.Replace("$EditorClassName$",editorClassName).Replace("$GraphClassName$",graphClassName);
+            return source;
+        }
+        public string GenerateGraph(string graphClassName,string templatePath){
+            //Check if graph class name is valid
+            var regex = new System.Text.RegularExpressions.Regex("^[a-zA-Z0-9_]+$");
+            if(!Regex.IsMatch(graphClassName)){
+                Debug.LogError("The graph class name is invalid. It must be a valid C# identifier.");
+            }
+            var template = File.ReadAllText(templatePath);
+            var source = template.Replace("$GraphClassName$",graphClassName);
+            return source;
+        }
+    }
+}

TNode/Editor/Tools/GraphEditorCreator/SourceGeneratorForGraphEditor.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 00c37e0c9a6445af80e17a617dfd1b04
+timeCreated: 1656052182

Usage/Hello.asset

@@ -1,23 +0,0 @@
-%YAML 1.1
-%TAG !u! tag:unity3d.com,2011:
---- !u!114 &11400000
-MonoBehaviour:
-  m_ObjectHideFlags: 0
-  m_CorrespondingSourceObject: {fileID: 0}
-  m_PrefabInstance: {fileID: 0}
-  m_PrefabAsset: {fileID: 0}
-  m_GameObject: {fileID: 0}
-  m_Enabled: 1
-  m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: b991a97e1e8f4ac7bbebd5263dafb1c3, type: 3}
-  m_Name: Hello
-  m_EditorClassIdentifier: 
-  nodes: []
-  nodeLinks: []
-  entryNode:
-    rid: -2
-  references:
-    version: 2
-    RefIds:
-    - rid: -2
-      type: {class: , ns: , asm: }

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Usage/TestGraphEditor.cs

@@ -1,30 +0,0 @@
-using UnityEditor;
-using UnityEngine;
-using UnityEngine.UIElements;
-
-public class TestGraphEditor : EditorWindow
-{
-    [SerializeField]
-    private VisualTreeAsset m_VisualTreeAsset = default;
-
-    [MenuItem("Window/UI Toolkit/TestGraphEditor")]
-    public static void ShowExample()
-    {
-        TestGraphEditor wnd = GetWindow<TestGraphEditor>();
-        wnd.titleContent = new GUIContent("TestGraphEditor");
-    }
-
-    public void CreateGUI()
-    {
-        // Each editor window contains a root VisualElement object
-        VisualElement root = rootVisualElement;
-
-        // VisualElements objects can contain other VisualElement following a tree hierarchy.
-        VisualElement label = new Label("Hello World! From C#");
-        root.Add(label);
-
-        // Instantiate UXML
-        VisualElement labelFromUXML = m_VisualTreeAsset.Instantiate();
-        root.Add(labelFromUXML);
-    }
-}

Usage/TestGraphEditor.cs.meta

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Usage/TestGraphEditor.uss

@@ -1,5 +0,0 @@
-.custom-label {
-    font-size: 20px;
-    -unity-font-style: bold;
-    color: rgb(68, 138, 255);
-}

Usage/TestGraphEditor.uss.meta

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Usage/TestGraphEditor.uxml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<engine:UXML
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-    xmlns:engine="UnityEngine.UIElements"
-    xmlns:editor="UnityEditor.UIElements"
-    xsi:noNamespaceSchemaLocation="../../UIElementsSchema/UIElements.xsd"
->
-    <Style src="project://database/Assets/Usage/TestGraphEditor.uss?fileID=7433441132597879392&amp;guid=867e511d719e0f14e871be51fb547391&amp;type=3#TestGraphEditor" />
-	<engine:Label text="Hello World! From UXML" />
-	<engine:Label class="custom-label" text="Hello World! With Style" />
-
-</engine:UXML>

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