1.finally an inspector can inspect nodes

Sample/Editor/HelloGraphView.cs

@@ -1,13 +1,13 @@
 using TNode.Attribute;
 using TNode.Editor.BaseViews;
 using TNode.Editor.Inspector;
+using UnityEngine;
 
 namespace Sample.Editor{
     [NodeComponent]
     public class HelloGraphView : DataGraphView<HelloGraph>{
         public override void OnGraphViewCreate(){
-            NodeInspector inspector = new NodeInspector();
-            this.Add(inspector);
+            CreateInspector();
         }
     }
 }

TNode/Editor/BaseViews/DataGraphView.cs

@@ -2,6 +2,7 @@
 using System.Collections.Generic;
 using TNode.BaseViews;
 using TNode.Cache;
+using TNode.Editor.Inspector;
 using TNode.Models;
 using UnityEditor;
 using UnityEditor.Experimental.GraphView;
@@ -102,9 +103,11 @@ namespace TNode.Editor.BaseViews{
         }
     }
      */
-    public  abstract  class DataGraphView<T>:GraphView where T:GraphData{
+    public  abstract  class DataGraphView<T>:GraphView,IDataGraphView where T:GraphData{
         private T _data;
         private SearchWindowProvider _searchWindowProvider;
+        private bool _isInspectorOn;
+        private NodeInspector _nodeInspector;
         public T Data{
             get{ return _data; }
             set{
@@ -172,8 +175,16 @@ namespace TNode.Editor.BaseViews{
             ConstructDefaultBehaviour();
             OnGraphViewCreate();
         }
-  
-        
+
+        public virtual void CreateInspector(){
+            NodeInspector nodeInspector = new NodeInspector();
+            nodeInspector.SetPosition(new Rect(200,200,200,600));
+            this.Add(nodeInspector);
+            _nodeInspector = nodeInspector;
+            _isInspectorOn = true;
+        }
+
+
         
         public virtual void OnGraphViewCreate(){
             
@@ -184,14 +195,28 @@ namespace TNode.Editor.BaseViews{
         ~DataGraphView(){
             OnGraphViewDestroy();
         }
-        //rewrite function of the derived class in the comment  on the top of this script file in this class
-        // public abstract override List<Port> GetCompatiblePorts(Port startPort, NodeAdapter nodeAdapter);
-        //
-        // public void AddNode(NodeData nodeData){
-        //     
-        // }
-      
-        
+
+        public void AddTNode(NodeData nodeData, Rect rect){
+            if (NodeEditorExtensions.CreateNodeViewFromNodeType(nodeData.GetType()) is GraphElement nodeView){
+                nodeView.SetPosition(rect);
+                AddElement(nodeView);
+                //Add a select callback to the nodeView
+                nodeView.RegisterCallback<MouseDownEvent>(evt => {
+                    Debug.Log("NodeView Selected");
+                    if (evt.clickCount == 1){
+                        if (_isInspectorOn){
+                            _nodeInspector.Data = nodeData;
+                        }
+                    }
+                });
+                
+            }
+        }
+
+    }
+
+    public interface IDataGraphView{
+        public void AddTNode(NodeData nodeData, Rect rect);
     }
 
     public class DataChangedEventArgs<T>{

TNode/Editor/BaseViews/SimpleGraphSubWindow.cs

@@ -7,7 +7,7 @@ namespace TNode.BaseViews{
         private readonly Dragger _dragger = new Dragger();
 
         protected void ConstructWindowBasicSetting(){
-            style.position = new StyleEnum<Position>(Position.Absolute);
+            
             RegisterCallback<WheelEvent>(evt => { evt.StopPropagation(); });
             focusable = false;
             capabilities |= Capabilities.Movable | Capabilities.Resizable;
@@ -20,6 +20,7 @@ namespace TNode.BaseViews{
         }
   
         public SimpleGraphSubWindow(string defaultUxml=null){
+            style.position = new StyleEnum<Position>(Position.Absolute);
             ConstructWindowBasicSetting();
             if (defaultUxml != null){
                 var uxml = AssetDatabase.LoadAssetAtPath<VisualTreeAsset>(defaultUxml);
@@ -27,6 +28,7 @@ namespace TNode.BaseViews{
             }
         }
         public SimpleGraphSubWindow(VisualTreeAsset visualTreeAsset){
+            style.position = new StyleEnum<Position>(Position.Absolute);
             ConstructWindowBasicSetting();
             BuildWindow(visualTreeAsset);
         }

TNode/Editor/Cache/NodeEditorExtensions.cs

@@ -89,8 +89,8 @@ namespace TNode.Cache{
             return instance;
         }
         public static bool HasSpecificType<T>() where T : class{
-            var implementedType = NodeEditorSingleton.Instance.FromGenericToSpecific[typeof(T)] as T;
-            return (T)implementedType!=null;
+
+            return NodeEditorSingleton.Instance.FromGenericToSpecific.ContainsKey(typeof(T));
         }
         public static List<Type> GetGraphDataUsage(Type t){
             if (NodeEditorSingleton.Instance.GraphDataUsage.ContainsKey(t)){

TNode/Editor/Inspector/NodeInspector.cs

@@ -13,17 +13,19 @@ namespace TNode.Editor.Inspector{
             set{
                 _data = value;
                 UpdateData();
+                
             }
         }
 
         private void UpdateData(){
+            Debug.Log(_data);
             if (_data != null){
                 RefreshInspector();
             }
         }
         public NodeInspector(){
+            style.position = new StyleEnum<Position>(Position.Absolute);
             var visualTreeAsset = Resources.Load<VisualTreeAsset>("NodeInspector");
-            
             Debug.Log(visualTreeAsset);
             ConstructWindowBasicSetting();
             BuildWindow(visualTreeAsset);
@@ -31,8 +33,10 @@ namespace TNode.Editor.Inspector{
 
         private void RefreshInspector(){
             //iterate field of data and get name of every fields,create a new inspector item of appropriate type and add it to the inspector for each field
-            foreach (var field in GetType().GetFields(BindingFlags.Instance | BindingFlags.Public)){
+            this.Q("InspectorBody").Clear();
+            foreach (var field in _data.GetType().GetFields(BindingFlags.Instance | BindingFlags.Public)){
                 var bindingPath = field.Name;
+          
                 var type = field.FieldType;
                 DefaultInspectorItemFactory defaultInspectorItemFactory = new DefaultInspectorItemFactory();
                 //Invoke generic function Create<> of default inspector item factory to create an inspector item of appropriate type by reflection
@@ -40,7 +44,7 @@ namespace TNode.Editor.Inspector{
                 if (methodInfo != null){
                     var genericMethod = methodInfo.MakeGenericMethod(type);
                     var createdInspector  = genericMethod.Invoke(defaultInspectorItemFactory,null) as VisualElement;
-                    Add(createdInspector);
+                    this.Q("InspectorBody").Add(createdInspector);
                     if (createdInspector is INodeDataBindingBase castedInspector){
                         castedInspector.BindingNodeData = _data;
                         castedInspector.BindingPath = bindingPath;

TNode/Editor/SearchWindowProvider.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Drawing;
 using TNode.BaseViews;
 using TNode.Cache;
+using TNode.Editor.BaseViews;
 using TNode.Models;
 using UnityEditor;
 using UnityEditor.Experimental.GraphView;
@@ -43,11 +44,14 @@ namespace TNode.Editor{
             var relativePos = context.screenMousePosition - _editor.position.position;
             var localPos = _graphView.WorldToLocal(relativePos);
             if (userData is Type type){
-                if (NodeEditorExtensions.CreateNodeViewFromNodeType(type) is GraphElement nodeView){
-                    nodeView.SetPosition(
-                        new Rect(localPos.x, localPos.y, nodeView.layout.width, nodeView.layout.height));
-                    _graphView.AddElement(nodeView);
+                //Check if type is derived from NodeData
+                if (typeof(NodeData).IsAssignableFrom(type)){
+                    //Make an instance of the type
+                    var nodeData = (NodeData) Activator.CreateInstance(type);
+                    nodeData.nodeName = "New Node";
+                    ((IDataGraphView)_graphView).AddTNode(nodeData,new Rect(localPos.x,localPos.y,100,100));
                 }
+
                 return true;
             }
             return false;