Added in more locking/unlocking logic.

Harmonia.WinUI/ViewModels/PlaylistDetailViewModel.cs

@@ -132,6 +132,13 @@ public partial class PlaylistDetailViewModel : ViewModelBase
         }
     ];
 
+    private bool _isPlaylistLocked;
+    public bool IsPlaylistLocked
+    {
+        get => _isPlaylistLocked;
+        private set => SetProperty(ref _isPlaylistLocked, value);
+    }
+
     public IAsyncRelayCommand PlaySongCommand { get; }
     public IAsyncRelayCommand NewPlaylistCommand { get; }
     public IAsyncRelayCommand AddFilesCommand { get; }
@@ -151,7 +158,8 @@ public partial class PlaylistDetailViewModel : ViewModelBase
     public IRelayCommand RandomizeSelectedCommand { get; }
     public IRelayCommand ReverseAllCommand { get; }
     public IRelayCommand ReverseSelectedCommand { get; }
-    public IRelayCommand ToggleLockCommand { get; }
+    public IRelayCommand LockPlaylistCommand { get; }
+    public IRelayCommand UnlockPlaylistCommand { get; }
 
     public bool IsUserUpdating { get; set; }
     private bool _isUserInitiatingSongChange;
@@ -204,7 +212,8 @@ public partial class PlaylistDetailViewModel : ViewModelBase
         RandomizeSelectedCommand = new RelayCommand(RandomizeSelectedSongs, AreMultipleSongsSelected);
         ReverseAllCommand = new RelayCommand(ReverseAllSongs);
         ReverseSelectedCommand = new RelayCommand(ReverseSelectedSongs, AreMultipleSongsSelected);
-        ToggleLockCommand = new RelayCommand(ToggleLock);
+        LockPlaylistCommand = new RelayCommand(LockPlaylist);
+        UnlockPlaylistCommand = new RelayCommand(UnlockPlaylist);
 
         FilteredPlaylistSongs.CollectionChanged += OnFilteredPlaylistSongsCollectionChanged;
 
@@ -267,6 +276,8 @@ public partial class PlaylistDetailViewModel : ViewModelBase
         Playlist = _playlistManager.CurrentPlaylist;
         Playlist?.PlaylistUpdated += OnPlaylistUpdated;
 
+        IsPlaylistLocked = Playlist?.IsLocked ?? false;
+
         UpdateFilteredSongs();
     }
 
@@ -286,6 +297,10 @@ public partial class PlaylistDetailViewModel : ViewModelBase
             case PlaylistUpdateAction.Reset:
                 _dispatcherQueue.TryEnqueue(() => ApplyReorderedSongs(e.Songs));
                 break;
+            case PlaylistUpdateAction.Lock:
+            case PlaylistUpdateAction.Unlock:
+                IsPlaylistLocked = Playlist?.IsLocked ?? false;
+                break;
         }
     }
 
@@ -737,19 +752,14 @@ public partial class PlaylistDetailViewModel : ViewModelBase
         RestoreSelectedSongs(selectedPlaylistSongIds);
     }
 
-    private void ToggleLock()
+    private void LockPlaylist()
     {
-        if (Playlist == null)
-            return;
+        Playlist?.Lock();
+    }
 
-        if (Playlist.IsLocked)
-        {
-            Playlist.Unlock();
-        }
-        else
-        {
-            Playlist.Lock();
-        }
+    private void UnlockPlaylist()
+    {
+        Playlist?.Unlock();
     }
 
     #endregion