module-navigation-tool/Editor/Toolbar/MainToolbarElements/Handlers/MainToolbarUIStateChanged.cs

#if UNITY_6000_3_OR_NEWER
using UnityEditor;
using UnityEditor.SceneManagement;
using UnityEngine.SceneManagement;

namespace Module.NavigationTool.Editor.Toolbar
{
    [InitializeOnLoad]
    internal static class MainToolbarUIStateChanged
    {
        static MainToolbarUIStateChanged()
        {
            EditorSceneManager.sceneSaved += OnSceneSaved;
            EditorSceneManager.sceneOpened += OnSceneOpened;
            EditorSceneManager.sceneClosed += OnSceneClosed;

            PrefabStage.prefabStageOpened += OnPrefabStageOpened;
            PrefabStage.prefabStageClosing += OnPrefabStageClosing;
        }

        private static void OnSceneSaved(Scene scene)
        {
            MainToolbarUIElement.Refresh();
        }

        private static void OnSceneOpened(Scene scene, OpenSceneMode mode)
        {
            MainToolbarUIElement.Refresh();
        }

        private static void OnSceneClosed(Scene scene)
        {
            MainToolbarUIElement.Refresh();
        }

        private static void OnPrefabStageOpened(PrefabStage stage)
        {
            MainToolbarUIElement.Refresh();
        }

        private static void OnPrefabStageClosing(PrefabStage stage)
        {
            MainToolbarUIElement.Refresh();
        }
    }
}
#endif