【m】框架大更新

Assets/03.YooAsset/Editor/UIElements/TreeViewer/TreeNode.cs

@@ -0,0 +1,77 @@
+#if UNITY_2019_4_OR_NEWER
+using System.IO;
+using System.Linq;
+using System.Collections.Generic;
+using UnityEditor;
+using UnityEngine;
+using UnityEditor.UIElements;
+using UnityEngine.UIElements;
+
+namespace YooAsset.Editor
+{
+    public class TreeNode
+    {
+        /// <summary>
+        /// 子节点集合
+        /// </summary>
+        public List<TreeNode> Children = new List<TreeNode>(10);
+
+        /// <summary>
+        /// 父节点
+        /// </summary>
+        public TreeNode Parent { get; set; }
+
+        /// <summary>
+        /// 用户数据
+        /// </summary>
+        public object UserData { get; set; }
+
+        /// <summary>
+        /// 是否展开
+        /// </summary>
+        public bool IsExpanded { get; set; } = false;
+
+
+        public TreeNode(object userData)
+        {
+            UserData = userData;
+        }
+
+        /// <summary>
+        /// 添加子节点
+        /// </summary>
+        public void AddChild(TreeNode child)
+        {
+            child.Parent = this;
+            Children.Add(child);
+        }
+
+        /// <summary>
+        /// 清理所有子节点
+        /// </summary>
+        public void ClearChildren()
+        {
+            foreach(var child in Children)
+            {
+                child.Parent = null;
+            }
+            Children.Clear();
+        }
+
+        /// <summary>
+        /// 计算节点的深度
+        /// </summary>
+        public int GetDepth()
+        {
+            int depth = 0;
+            TreeNode current = this;
+            while (current.Parent != null)
+            {
+                depth++;
+                current = current.Parent;
+            }
+            return depth;
+        }
+    }
+}
+#endif