又重写Mvvm UIModel

Author: coding2233

GameFramework/Runtime/UI/MVVM/UIModel.cs

@@ -0,0 +1,114 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Wanderer.GameFramework
+{
+    public class UIModel<T> 
+    {
+        private T _variable;
+        private Action<T> _onVariableChanged;
+
+        public T Variable
+        {
+            get
+            {
+                return _variable;
+            }
+            set
+            {
+                _variable = value;
+                _onVariableChanged?.Invoke(_variable);
+            }
+        }
+
+        public UIModel<T> OnVariableChanged(Action<T> onVariableChanged)
+        {
+            _onVariableChanged = onVariableChanged;
+            return this;
+        }
+    }
+
+    public class ModelViewBind<T1,T2>
+    {
+        public UIModel<T1> Model { get; private set; }
+        public T2 Target { get; private set; }
+
+        private Func<UIModel<T1>, T2, T1> _getCallback;
+        private Action<T1, T2> _setCallback;
+        private bool _oneWayBinding;
+
+        public T1 Variable 
+        { 
+            get 
+            {
+                T1 t1 = _getCallback(Model, Target);
+                if (!t1.Equals(Model.Variable))
+                {
+                    Model.Variable = t1;
+                }
+                return t1;
+            }
+            set
+            {
+                Model.Variable = value;
+            }
+        }
+
+      
+
+
+        public ModelViewBind(T2 target)
+        {
+            Model = new UIModel<T1>();
+
+            Model.OnVariableChanged((t1)=> {
+                if (!_oneWayBinding)
+                {
+                    _setCallback?.Invoke(Model.Variable, Target);
+                }
+            });
+
+            Target = target;
+        }
+
+        public ModelViewBind<T1,T2> Get(Func<UIModel<T1>, T2, T1> callback)
+        {
+            _getCallback = callback;
+            return this;
+        }
+
+        public ModelViewBind<T1, T2> Set(Action<T1,T2> callback)
+        {
+            _setCallback = callback;
+            return this;
+        }
+
+
+        public ModelViewBind<T1, T2> OneWay()
+        {
+            _oneWayBinding = true;
+            return this;
+        }
+
+    }
+
+
+    public static class ModelViewBinding
+    {
+        public static ModelViewBind<TValue, TComponent> Bind<TValue, TComponent>(TComponent target, TValue value = default(TValue))
+        {
+            var mvb = new ModelViewBind<TValue, TComponent>(target);
+            if (!value.Equals(default(TValue)))
+            {
+                mvb.Variable = value;
+            }
+            return mvb;
+        }
+    }
+
+}
+
+

GameFramework/Runtime/UI/MVVM/UIModel.cs.meta

@@ -42,7 +42,6 @@ public JsonData Json
 
         private void Awake()
         {
-
         }
 
         public void Set(string key, JsonData value)
@@ -74,9 +73,16 @@ private BindResult Bind(string key,GameObject target)
             return buildResult;
         }
 
-        //public void Add(string key, JsonData value)
+
+        //private ModelViewBind<TValue, TComponent> Bind<TValue, TComponent>(string key,TComponent target, TValue value = default(TValue))
         //{
-        //    Json[key].Add(value);
+        //    var mvb = new ModelViewBind<TValue, TComponent>(target);
+        //    if (!value.Equals(default(TValue)))
+        //    {
+        //        mvb.Variable = value;
+        //    }
+        //    return mvb;
         //}
+
     }
 }