107 lines
3.8 KiB
C#
107 lines
3.8 KiB
C#
// NOTE: managedReferenceValue getter is available only in Unity 2021.3 or later.
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#if UNITY_2021_3_OR_NEWER
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using System;
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using UnityEditor;
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using UnityEngine;
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namespace MackySoft.SerializeReferenceExtensions.Editor
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{
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public static class ManagedReferenceContextualPropertyMenu
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{
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const string kCopiedPropertyPathKey = "SerializeReferenceExtensions.CopiedPropertyPath";
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const string kClipboardKey = "SerializeReferenceExtensions.CopyAndPasteProperty";
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static readonly GUIContent kPasteContent = new GUIContent("Paste Property");
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static readonly GUIContent kNewInstanceContent = new GUIContent("New Instance");
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static readonly GUIContent kResetAndNewInstanceContent = new GUIContent("Reset and New Instance");
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[InitializeOnLoadMethod]
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static void Initialize ()
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{
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EditorApplication.contextualPropertyMenu += OnContextualPropertyMenu;
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}
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static void OnContextualPropertyMenu (GenericMenu menu, SerializedProperty property)
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{
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if (property.propertyType == SerializedPropertyType.ManagedReference)
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{
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// NOTE: When the callback function is called, the SerializedProperty is rewritten to the property that was being moused over at the time,
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// so a new SerializedProperty instance must be created.
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SerializedProperty clonedProperty = property.Copy();
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menu.AddItem(new GUIContent($"Copy \"{property.propertyPath}\" property"), false, Copy, clonedProperty);
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string copiedPropertyPath = SessionState.GetString(kCopiedPropertyPathKey, string.Empty);
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if (!string.IsNullOrEmpty(copiedPropertyPath))
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{
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menu.AddItem(new GUIContent($"Paste \"{copiedPropertyPath}\" property"), false, Paste, clonedProperty);
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}
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else
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{
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menu.AddDisabledItem(kPasteContent);
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}
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menu.AddSeparator("");
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bool hasInstance = clonedProperty.managedReferenceValue != null;
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if (hasInstance)
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{
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menu.AddItem(kNewInstanceContent, false, NewInstance, clonedProperty);
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menu.AddItem(kResetAndNewInstanceContent, false, ResetAndNewInstance, clonedProperty);
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}
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else
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{
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menu.AddDisabledItem(kNewInstanceContent);
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menu.AddDisabledItem(kResetAndNewInstanceContent);
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}
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}
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}
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static void Copy (object customData)
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{
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SerializedProperty property = (SerializedProperty)customData;
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string json = JsonUtility.ToJson(property.managedReferenceValue);
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SessionState.SetString(kCopiedPropertyPathKey, property.propertyPath);
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SessionState.SetString(kClipboardKey, json);
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}
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static void Paste (object customData)
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{
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SerializedProperty property = (SerializedProperty)customData;
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string json = SessionState.GetString(kClipboardKey, string.Empty);
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if (string.IsNullOrEmpty(json))
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{
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return;
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}
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Undo.RecordObject(property.serializedObject.targetObject, "Paste Property");
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JsonUtility.FromJsonOverwrite(json, property.managedReferenceValue);
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property.serializedObject.ApplyModifiedProperties();
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}
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static void NewInstance (object customData)
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{
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SerializedProperty property = (SerializedProperty)customData;
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string json = JsonUtility.ToJson(property.managedReferenceValue);
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Undo.RecordObject(property.serializedObject.targetObject, "New Instance");
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property.managedReferenceValue = JsonUtility.FromJson(json, property.managedReferenceValue.GetType());
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property.serializedObject.ApplyModifiedProperties();
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Debug.Log($"Create new instance of \"{property.propertyPath}\".");
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}
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static void ResetAndNewInstance (object customData)
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{
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SerializedProperty property = (SerializedProperty)customData;
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Undo.RecordObject(property.serializedObject.targetObject, "Reset and New Instance");
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property.managedReferenceValue = Activator.CreateInstance(property.managedReferenceValue.GetType());
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property.serializedObject.ApplyModifiedProperties();
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Debug.Log($"Reset property and created new instance of \"{property.propertyPath}\".");
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}
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}
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}
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#endif |