完成参数映射及参数组的构建

DeedyDesigner/Deedy.Activity/Attribute/ParamDefineAttribute.cs

@@ -1,20 +1,64 @@
 using System;
 using System.Collections.Generic;
+using System.ComponentModel;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
+using System.Reflection;
+using System.Runtime.CompilerServices;
 using System.Text;
 using System.Threading.Tasks;
 
 namespace Deedy.Activity
 {
     [AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = true)]
-    public class ParamDefineAttribute : Attribute, IInitialSortable
+    public class ParamDefineAttribute : Attribute, IInitialSortable, INotifyPropertyChanged
     {
-        public int InitialSort { get; set; } = 0;
         public ParamDefineAttribute() { }
+        public event PropertyChangedEventHandler? PropertyChanged;
+        #region 定义属性通知事件相关方法
+        //public event PropertyChangedEventHandler? PropertyChanged;
+        protected virtual void OnPropertyChanged([CallerMemberName, AllowNull] string propertyName = null)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+        protected virtual T GetField<T>(ref T field, [CallerMemberName, AllowNull] string propertyName = null)
+        {
+            return field;
+        }
+        protected virtual bool SetField<T>(ref T field, T value, [CallerMemberName, AllowNull] string propertyName = null)
+        {
+            if (EqualityComparer<T>.Default.Equals(field, value)) return false;
+            field = value;
+            OnPropertyChanged(propertyName);
+            return true;
+        }
+        #endregion
+
+        public int InitialSort { get; set; } = 0;
+        public ParamDefineAttribute(string title, string remark, string @default) { }
+        public string Name { get; set; } = "";
         public string Title { get; set; } = "参数名称";
         public string Remark { get; set; } = "参数描述";
+        public string Identify { get; set; } = "";
         public string Default { get; set; } = "";
-        public string DesignValue { get; set; } = "";
-        public string GroupName { get; set; } = "";
+        protected internal string _DesignValue = "";
+        /// <summary>
+        /// 设计期值
+        /// </summary>
+        public string DesignValue
+        {
+            get { return GetField<string>(ref _DesignValue); }
+            set
+            {
+                if (SetField<string>(ref _DesignValue, value))
+                {
+                    // 这里可以加入属性变更后的处理逻辑
+                }
+            }
+        }
+        public string GroupName { get; set; } = ParamGroupAttribute.DefaultParams;
+
+        public object? Target { get; protected internal set; }
+        public PropertyInfo? Property { get; protected internal set; }
     }
 }

DeedyDesigner/Deedy.Activity/Collection/ParamDefineCollection.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Collections.Specialized;
 using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -16,5 +17,23 @@ namespace Deedy.Activity
     {
         private readonly SortedList<int, ParamDefineAttribute> _SoredList = new();
         internal ParamDefineCollection() { }
+        public bool TryGetParamDefine(string name, [NotNull] out ParamDefineAttribute value)
+        {
+            ParamDefineAttribute pda = new();
+            bool result = false;
+
+            foreach (var item in this)
+            {
+                if (item.Name == name)
+                {
+                    pda = item;
+                    result = true;
+                    break;
+                }
+            }
+
+            value = pda;
+            return result;
+        }
     }
 }

DeedyDesigner/Deedy.Activity/Helpers/ElementHelper.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Reflection;
 using System.Runtime.CompilerServices;
 using System.Text;
 using System.Threading.Tasks;
@@ -98,9 +99,24 @@ namespace Deedy.Activity
         /// <param name="output">消息输出器</param>
         public static void Help_BuildParamMapping(this IElement element, Output? output = null)
         {
-            //TODO：构建元素的参数映射表
             if (element == null) return;
             if (element.ParamsMapping == null) element.ParamsMapping = new();
+            var props = element.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.GetProperty | BindingFlags.SetProperty);
+            foreach (var prop in props)
+            {
+                if (prop.CanWrite && prop.CanRead)
+                {
+                    var pda = prop.GetCustomAttribute<ParamDefineAttribute>();
+                    if (pda != null)
+                    {
+                        pda.Name = prop.Name;
+                        if (element.ParamsMapping.TryGetParamDefine(prop.Name, out var value)) pda = value;
+                        else element.ParamsMapping.Add(pda);
+                        value.Target = element;
+                        value.Property = prop;
+                    }
+                }
+            }
         }
         /// <summary>
         /// 构建一个元素的参数分组，为设计器准备的辅助方法