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Assets/00.StaryEvo/Editor/FrameWorkEditor/Tools/DragAndDropTool/DragAndDropTool.cs

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+using System;
+using UnityEditor;
+using UnityEngine;
+using Object = UnityEngine.Object;
+
+namespace Stary.Evo.Editor
+{
+    public static class DragAndDropTool 
+    {
+        public class DragInfo
+        {
+            public bool Dragging;
+            public bool EnterArea;
+            public bool Complete;
+            public Object[] ObjectReferences => DragAndDrop.objectReferences;
+            public string[] Paths => DragAndDrop.paths;
+            public DragAndDropVisualMode VisualMode => DragAndDrop.visualMode;
+            public int ActiveControlID => DragAndDrop.activeControlID;
+        }
+
+        private static DragInfo mDragInfo = new DragInfo();
+
+        private static bool mDragging;//拖拽进区域为ture
+        private static bool mEnterArea;//拖拽进content区域为ture
+        private static bool mComplete;
+        /// <summary>
+        /// 拖拽通用方法
+        /// </summary>
+        /// <param name="content">检测区域</param>
+        /// <param name="OnComplete">完成后的时间，利用泛型传进详细的DragInfo</param>
+        /// <param name="mode"></param>
+        public static void Drag(Rect content,Action<DragInfo> onComplete=null, DragAndDropVisualMode mode = DragAndDropVisualMode.Generic)
+        {
+
+            Event e=Event.current;
+            if (e.type == EventType.DragUpdated)
+            {
+                mComplete = false;
+                mDragging = true;
+                mEnterArea = content.Contains(e.mousePosition);
+                if (mEnterArea)
+                {
+                    DragAndDrop.visualMode = DragAndDropVisualMode.Generic;
+                    e.Use();
+                }
+            }
+            else if (e.type == EventType.DragPerform)
+            {
+                mComplete = true;
+                mDragging = false;
+                mEnterArea = content.Contains(e.mousePosition);
+                DragAndDrop.AcceptDrag();
+                e.Use();
+            }
+            else if (e.type == EventType.DragExited)
+            {
+                mComplete = true;
+                mDragging = false;
+                mEnterArea = content.Contains(e.mousePosition);
+            }
+
+            mDragInfo.Complete = mComplete && e.type == EventType.Used;
+            mDragInfo.EnterArea = mEnterArea;
+            mDragInfo.Dragging = mDragging;
+            if (mDragInfo.EnterArea && mDragInfo.Complete && !mDragInfo.Dragging)
+            {
+                onComplete?.Invoke(mDragInfo);
+            }
+        }
+    }
+}

Assets/00.StaryEvo/Editor/FrameWorkEditor/Tools/DragAndDropTool/DragAndDropTool.cs.meta

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