From 424b0a67591b9085c834d3b3a286c8ee1882bd14 Mon Sep 17 00:00:00 2001
From: DYH <1742647821@qq.com>
Date: Sat, 10 Sep 2022 21:58:28 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E7=9E=AC=E6=80=81=E7=B1=BB?=
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---
 .../ExtensionMethod/JigExTransient.cs         | 149 ++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 src/IFoxCAD.Cad/ExtensionMethod/JigExTransient.cs

diff --git a/src/IFoxCAD.Cad/ExtensionMethod/JigExTransient.cs b/src/IFoxCAD.Cad/ExtensionMethod/JigExTransient.cs
new file mode 100644
index 0000000..770739a
--- /dev/null
+++ b/src/IFoxCAD.Cad/ExtensionMethod/JigExTransient.cs
@@ -0,0 +1,149 @@
+#if !ac2008
+namespace IFoxCAD.Cad;
+
+/// <summary>
+/// 瞬态容器
+/// </summary>
+public class JigExTransient : IDisposable
+{
+    #region 私有字段
+    // 整数集,暂时不知道有什么意义
+    IntegerCollection _integerCollection;
+    // 维护集合
+    HashSet<Entity> _entities;
+    #endregion
+
+    #region 公开属性
+    /// <summary>
+    /// 对象集合
+    /// </summary>
+    public Entity[] Entities => _entities.ToArray();
+    /// <summary>
+    /// 数量
+    /// </summary>
+    public int Count => _entities.Count;
+    #endregion
+
+    #region 构造函数
+    /// <summary>
+    /// 瞬态容器
+    /// </summary>
+    public JigExTransient()
+    {
+        _integerCollection = new();
+        _entities = new();
+    }
+    #endregion
+
+    #region 方法
+    /// <summary>
+    /// 判断瞬态容器里是否含有对象
+    /// </summary>
+    /// <param name="ent">对象</param>
+    /// <returns>含有返回true</returns>
+    public bool Contains(Entity ent)
+    {
+        return _entities.Contains(ent);
+    }
+
+    /// <summary>
+    /// 向瞬态容器中添加对象
+    /// </summary>
+    /// <param name="ent">图元</param>
+    /// <param name="tdm">绘图模式</param>
+    public void Add(Entity ent, TransientDrawingMode tdm = TransientDrawingMode.Main)
+    {
+        if (_entities.Add(ent))
+        {
+            TransientManager
+            .CurrentTransientManager
+            .AddTransient(ent, tdm, 128, _integerCollection);
+        }
+    }
+
+
+    /// <summary>
+    /// 从瞬态容器中移除图元
+    /// </summary>
+    /// <param name="ent">已经加入瞬态容器的图元</param>
+    public void Remove(Entity ent)
+    {
+        if (!Contains(ent))
+            return;
+        TransientManager
+        .CurrentTransientManager
+        .EraseTransient(ent, _integerCollection);
+        _entities.Remove(ent);
+    }
+
+    /// <summary>
+    /// 清空瞬态容器并移除图元显示
+    /// </summary>
+    public void Clear()
+    {
+        foreach (var ent in _entities)
+        {
+            TransientManager
+            .CurrentTransientManager
+            .EraseTransient(ent, _integerCollection);
+        }
+        _entities.Clear();
+    }
+
+
+    /// <summary>
+    /// 更新单个显示
+    /// </summary>
+    /// <param name="ent">已经加入瞬态容器的图元</param>
+    public void Update(Entity ent)
+    {
+        if (!Contains(ent))
+            return;
+        TransientManager
+        .CurrentTransientManager
+        .UpdateTransient(ent, _integerCollection);
+    }
+
+    /// <summary>
+    /// 更新全部显示
+    /// </summary>
+    public void UpdateAll()
+    {
+        foreach (var ent in _entities)
+            Update(ent);
+    }
+    #endregion
+
+    #region IDisposable接口相关函数
+    public bool IsDisposed { get; private set; } = false;
+
+    /// <summary>
+    /// 手动释放
+    /// </summary>
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+
+    /// <summary>
+    /// 析构函数调用释放
+    /// </summary>
+    ~JigExTransient()
+    {
+        Dispose(false);
+    }
+
+    /// <summary>
+    /// 销毁瞬态容器
+    /// </summary>
+    protected virtual void Dispose(bool disposing)
+    {
+        if (IsDisposed) return;
+        IsDisposed = true;
+
+        Clear();// 清空瞬态容器并移除对象在图纸上的显示
+    }
+    #endregion
+}
+#endif
\ No newline at end of file
-- 
Gitee