Implemented loading of tracks via the window's top menubar.

wobuzz/player/playlist.py

@@ -36,6 +36,7 @@ class Playlist:
         self.current_track: Track | None = None
         self.views = {}  # dict of id(LibraryDock): PlaylistView
         self.loaded = False
+        self.loading = False
 
         self.path = os.path.expanduser(
             f"{app.settings.library_path}/playlists/{self.title.replace(" ", "_")}.wbz.m3u"
@@ -78,9 +79,11 @@ class Playlist:
         loading_thread.start()
 
     def loading_thread(self):
-        if self.loaded:
+        if self.loaded or self.loading:
             return
 
+        self.loading = True
+
         if self.load_from is None:  # if the playlist is in the library
             self.load_from_wbz(self.path)
 
@@ -90,6 +93,8 @@ class Playlist:
         elif isinstance(self.load_from, list):  # if it's created from tracks
             self.load_from_paths(self.load_from)
 
+        self.loading = False
+
         for dock_id in self.views:  # enable drag and drop on every view
             view = self.views[dock_id]
 
@@ -297,13 +302,16 @@ class Playlist:
         if os.path.exists(self.path):
             os.remove(self.path)
 
-        self.app.utils.unique_names.remove(self.title)
-        self.app.library.playlists.remove(self)
-
         if self.app.player.current_playlist == self:  # stop if this is the current playlist
             self.app.player.stop()
             self.app.player.current_playlist = None
 
+        for view in self.views.values():  # close views (and PyQt automatically closes the corresponding tabs)
+            view.deleteLater()
+
+        self.app.utils.unique_names.remove(self.title)
+        self.app.library.playlists.remove(self)
+
     def append_track(self, track):
         for dock_id in self.views:
             view = self.views[dock_id]
@@ -316,3 +324,4 @@ class Playlist:
 
         if len(self.tracks) > 1:
             return self.tracks[-2]
+