AssetDatabase.CanOpenAssetInEditor

参数

返回

bool 如果 Unity 可以在编辑器中成功打开该资产，则返回 true，否则返回 false。

介绍

检查 Unity 是否可以在编辑器中打开资产。

如果执行 AssetDatabase.OpenAsset，则检查 Unity 是否可以在编辑器中打开给定的资产实例。注意：必须将资产写入磁盘，否则此函数始终返回 false。

using UnityEditor;
using UnityEditor.Callbacks;
using UnityEngine;

[CreateAssetMenu(fileName = "MyObject", menuName = "ScriptableObjects/MyObject", order = 1)]
public class MyObject : ScriptableObject
{
    public string myData;

    [OnOpenAsset]
    public static bool Open(int instanceID)
    {
        if (AssetDatabase.GetMainAssetTypeAtPath(AssetDatabase.GetAssetPath(instanceID)) == typeof(MyObject))
        {
            Debug.Log("Opening asset");
            return true;
        }
        else  return false; // This method doesn't handle opening of different asset types
    }

    [OnOpenAsset(OnOpenAssetAttributeMode.Validate)]
    public static bool WillOpen(int instanceID)
    {
        if (AssetDatabase.GetMainAssetTypeAtPath(AssetDatabase.GetAssetPath(instanceID)) == typeof(MyObject))
        {
            // We can open MyObject asset using MyObject opening method
            Debug.Log("This asset can be opened by OnOpenAsset marked method");
            return true;
        }
        else  return false; // The passed instance doesn't belong to MyObject type asset so we won't be able to open it using opening method inside MyObject
    }

    [MenuItem("Test/WillOpenInUnity")]
    public static void WillSelectionBeOpenedInUnity()
    {
        AssetDatabase.CanOpenAssetInEditor(Selection.activeObject.GetInstanceID());
    }
}