From 7fd0977d2d704f518641b9ae3cade9df30777633 Mon Sep 17 00:00:00 2001
From: zengwenjie <1663900244@qq.com>
Date: Fri, 19 Sep 2025 18:36:59 +0800
Subject: [PATCH] =?UTF-8?q?=E7=BC=96=E5=86=99=E9=83=A8=E4=BB=B6=E7=BB=84?=
 =?UTF-8?q?=E8=A3=85=E9=80=BB=E8=BE=91=EF=BC=88=E8=BF=98=E5=B7=AE=E6=8E=92?=
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---
 .../Attribute/CombinePartActionAttribute.cs   |  1 +
 .../Collection/ExpandoMapping.cs              | 11 ++++++
 .../Deedy.Activity/Helpers/ActionHelper.cs    | 37 +++++++++++++++++++
 .../Deedy.Activity/Helpers/ActivityHelper.cs  | 11 ++++++
 4 files changed, 60 insertions(+)

diff --git a/DeedyDesigner/Deedy.Activity/Attribute/CombinePartActionAttribute.cs b/DeedyDesigner/Deedy.Activity/Attribute/CombinePartActionAttribute.cs
index ec6bb3a..f61f5f5 100644
--- a/DeedyDesigner/Deedy.Activity/Attribute/CombinePartActionAttribute.cs
+++ b/DeedyDesigner/Deedy.Activity/Attribute/CombinePartActionAttribute.cs
@@ -10,6 +10,7 @@ namespace Deedy.Activity
     [AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = true)]
     public class CombinePartActionAttribute : Attribute, IInitialSortable
     {
+        public const string CombinePartSign = "CombinePartSign";
         public CombinePartActionAttribute(int initSort) { this.InitialSort = initSort; }
 
         public int InitialSort { get; set; } = 0;
diff --git a/DeedyDesigner/Deedy.Activity/Collection/ExpandoMapping.cs b/DeedyDesigner/Deedy.Activity/Collection/ExpandoMapping.cs
index 21a8fcc..7140068 100644
--- a/DeedyDesigner/Deedy.Activity/Collection/ExpandoMapping.cs
+++ b/DeedyDesigner/Deedy.Activity/Collection/ExpandoMapping.cs
@@ -14,5 +14,16 @@ namespace Deedy.Activity
     [DebuggerDisplay("Count = {Count}")]
     public class ExpandoMapping : Dictionary<string, string>
     {
+        public ExpandoMapping() { }
+        public void SetValue(string key, string value)
+        {
+            if (this.ContainsKey(key)) this[key] = value;
+            else this.Add(key, value);
+        }
+        public string GetValue(string key)
+        {
+            if (!this.ContainsKey(key)) this.Add(key, string.Empty);
+            return this[key];
+        }
     }
 }
diff --git a/DeedyDesigner/Deedy.Activity/Helpers/ActionHelper.cs b/DeedyDesigner/Deedy.Activity/Helpers/ActionHelper.cs
index 6b2c272..49a2477 100644
--- a/DeedyDesigner/Deedy.Activity/Helpers/ActionHelper.cs
+++ b/DeedyDesigner/Deedy.Activity/Helpers/ActionHelper.cs
@@ -127,6 +127,43 @@ namespace Deedy.Activity
             return allow;
         }
         /// <summary>
+        /// 将使用部件声明特性声明的动作部件与主体组装到一起并连接
+        /// </summary>
+        /// <param name="combined"></param>
+        public static void Help_CombineElements(this ICombinedElement combined)
+        {
+            if (combined == null) return;
+            if (combined.Elements == null) combined.Elements = [];
+            var props = combined.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.GetField | BindingFlags.SetField);
+            foreach (var prop in props)
+            {
+                if (prop.CanWrite && prop.CanRead)
+                {
+                    if (!prop.PropertyType.IsAssignableFrom(typeof(IElement))) continue;
+
+                    bool hasPart = false;
+                    foreach (var element in combined.Elements)
+                    {
+                        if (element.Help_GetAttachValue(CombinePartActionAttribute.CombinePartSign) == prop.Name)
+                        {
+                            element.LinkTo(combined);
+                            prop.SetValue(combined, element);
+                            hasPart = true;
+                            break;
+                        }
+                    }
+                    if (!hasPart)
+                    {
+                        IElement? partElement = prop.GetValue(combined) as IElement;
+                        if (partElement == null) continue;
+                        combined.Elements.Add(partElement);
+                        partElement.LinkTo(combined);
+                        partElement.Help_SetAttachValue(CombinePartActionAttribute.CombinePartSign, prop.Name);
+                    }
+                }
+            }
+        }
+        /// <summary>
         /// 将一个元素插入到可变容器的指定位置
         /// </summary>
         /// <param name="this">可变元素容器</param>
diff --git a/DeedyDesigner/Deedy.Activity/Helpers/ActivityHelper.cs b/DeedyDesigner/Deedy.Activity/Helpers/ActivityHelper.cs
index 8a71ba9..fe0b9dd 100644
--- a/DeedyDesigner/Deedy.Activity/Helpers/ActivityHelper.cs
+++ b/DeedyDesigner/Deedy.Activity/Helpers/ActivityHelper.cs
@@ -9,5 +9,16 @@ namespace Deedy.Activity
     public static partial class Helper
     {
         //TODO：管理附加属性与准备方法
+        public static string Help_GetAttachValue(this IActivity activity, string key)
+        {
+            if (activity == null || activity.ExpandoMapping == null) return string.Empty;
+            return activity.ExpandoMapping.GetValue(key);
+        }
+        public static void Help_SetAttachValue(this IActivity activity, string key, string value)
+        {
+            if (activity == null) return;
+            if (activity.ExpandoMapping == null) activity.ExpandoMapping = [];
+            activity.ExpandoMapping.SetValue(key, value);
+        }
     }
 }