Create CustomRectTransformCopyInspector.cs

Author: unitycoder

Assets/Scripts/Editor/CustomInspector/CustomRectTransformCopyInspector.cs

@@ -0,0 +1,114 @@
+#if UNITY_EDITOR
+using System;
+using System.Reflection;
+using UnityEngine;
+
+namespace UnityEditor
+{
+    [CustomEditor(typeof(RectTransform), true)]
+    [CanEditMultipleObjects]
+    public class CustomRectTransformCopyInspector : Editor
+    {
+        // Unity's built-in editor
+        Editor defaultEditor = null;
+        RectTransform rectTransform;
+
+        private static RectTransformData copiedData;
+
+        void OnEnable()
+        {
+            // Use reflection to get the default Unity RectTransform editor
+            defaultEditor = Editor.CreateEditor(targets, Type.GetType("UnityEditor.RectTransformEditor, UnityEditor"));
+            rectTransform = target as RectTransform;
+        }
+
+        void OnDisable()
+        {
+            // Destroy the default editor to avoid memory leaks
+            if (defaultEditor != null)
+            {
+                MethodInfo disableMethod = defaultEditor.GetType().GetMethod("OnDisable",
+                    BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
+                if (disableMethod != null)
+                    disableMethod.Invoke(defaultEditor, null);
+
+                DestroyImmediate(defaultEditor);
+            }
+        }
+
+        public override void OnInspectorGUI()
+        {
+            // Draw Unity's default RectTransform Inspector
+            defaultEditor.OnInspectorGUI();
+
+            // Add Copy and Paste buttons
+            EditorGUILayout.Space();
+            GUILayout.BeginHorizontal();
+
+            if (GUILayout.Button("C", GUILayout.Width(30))) // Copy
+            {
+                CopyRectTransform(rectTransform);
+            }
+
+            if (GUILayout.Button("P", GUILayout.Width(30))) // Paste
+            {
+                PasteRectTransform(rectTransform);
+            }
+
+            GUILayout.EndHorizontal();
+        }
+
+        private void CopyRectTransform(RectTransform rectTransform)
+        {
+            copiedData = new RectTransformData(rectTransform);
+            Debug.Log("RectTransform copied!");
+        }
+
+        private void PasteRectTransform(RectTransform rectTransform)
+        {
+            if (copiedData == null)
+            {
+                Debug.LogWarning("No RectTransform data to paste!");
+                return;
+            }
+
+            Undo.RecordObject(rectTransform, "Paste RectTransform");
+
+            copiedData.ApplyTo(rectTransform);
+            Debug.Log("RectTransform pasted!");
+
+            EditorUtility.SetDirty(rectTransform);
+        }
+
+        private class RectTransformData
+        {
+            public Vector2 anchorMin;
+            public Vector2 anchorMax;
+            public Vector2 anchoredPosition;
+            public Vector2 sizeDelta;
+            public Vector2 pivot;
+            public Quaternion rotation;
+
+            public RectTransformData(RectTransform rectTransform)
+            {
+                anchorMin = rectTransform.anchorMin;
+                anchorMax = rectTransform.anchorMax;
+                anchoredPosition = rectTransform.anchoredPosition;
+                sizeDelta = rectTransform.sizeDelta;
+                pivot = rectTransform.pivot;
+                rotation = rectTransform.rotation;
+            }
+
+            public void ApplyTo(RectTransform rectTransform)
+            {
+                rectTransform.anchorMin = anchorMin;
+                rectTransform.anchorMax = anchorMax;
+                rectTransform.anchoredPosition = anchoredPosition;
+                rectTransform.sizeDelta = sizeDelta;
+                rectTransform.pivot = pivot;
+                rectTransform.rotation = rotation;
+            }
+        }
+    }
+}
+#endif