Implemented editing of playlist.

(Changes aren't persistent.)

wobuzz/ui/playlist.py

@@ -39,8 +39,23 @@ class PlaylistView(QTreeWidget):
 
         self.itemActivated.connect(self.on_track_activation)
 
-    def update_track_numbers(self):
-        pass
+    def on_user_sort(self):
+        num_tracks = self.topLevelItemCount()
+
+        i = 0
+
+        while i < num_tracks:
+            track_item = self.topLevelItem(i)
+            track = track_item.track
+
+            track_item.index_user_sort = i
+            track_item.setText(5, str(i + 1))
+
+            self.playlist.tracks[i] = track
+
+            i += 1
+
+        self.app.player.cache_next_track()
 
     def dropEvent(self, event: QDropEvent):
         items = self.selectedItems()  # dragged items are always selected items
@@ -49,11 +64,17 @@ class PlaylistView(QTreeWidget):
 
         super().dropEvent(event)
 
+        self.on_user_sort()
+
         event.accept()
 
     def load_tracks(self):
+        i = 0
+
         for track in self.playlist.tracks:
-            track_item = TrackItem(track, self)
+            track_item = TrackItem(track, i, self)
+
+            i += 1
 
     def on_track_activation(self, item, column):
         index = self.indexOfTopLevelItem(item)