Framework for dynamic submenus

app/musicmuster.py

@@ -484,8 +484,8 @@ class Window(QMainWindow):
         with open("menu.yaml", "r") as file:
             menu_data = yaml.safe_load(file)
 
-        # Store references for enabling/disabling actions later
-        self.menu_actions = {}
+        self.menu_actions = {}  # Store reference for enabling/disabling actions
+        self.dynamic_submenus = {}  # Store submenus for dynamic population
 
         for menu_item in menu_data["menus"]:
             menu = menu_bar.addMenu(menu_item["title"])
@@ -495,60 +495,68 @@ class Window(QMainWindow):
                     menu.addSeparator()
                     continue
 
-                # Handle external function calls via lambda
-                if action_item.get("use_lambda"):
-                    handler = lambda: self.active_tab().select_duplicate_rows()  # ✅ Keeps lambda logic
-                else:
-                    handler = getattr(self, action_item["handler"], None)
+                # Check whether this is a submenu first
+                if action_item.get("submenu"):
+                    submenu = QMenu(action_item["text"], self)
+                    menu.addMenu(submenu)
 
+                    # Store submenu reference for dynamic population
+                    self.dynamic_submenus[action_item["handler"]] = submenu
+                    submenu.aboutToShow.connect(self.populate_dynamic_submenu)
+                    continue  # Skip the rest of the loop (no handler needed)
+
+                # Now check for a normal menu action
+                handler = getattr(self, action_item["handler"], None)
                 if handler is None:
                     print(f"Warning: No handler found for {action_item['text']}")
-                    continue  # Skip adding the action if the handler is missing
+                    continue
 
                 action = self.create_action(
                     action_item["text"], handler, action_item.get("shortcut")
                 )
-
+                # Store reference to "Clear Selection" so we can enable/disable it
                 if action_item.get("store_reference"):
-                    self.menu_actions[action_item["handler"]] = action  # Store reference
-
+                    self.menu_actions[action_item["handler"]] = action
 
                 menu.addAction(action)
 
-                # Handle dynamic submenu
-                if action_item.get("submenu"):
-                    submenu = QMenu(action_item["text"], self)
-                    action.setMenu(submenu)
-                    menu.addMenu(submenu)
-
-                    # Store submenu reference for dynamic population
-                    self.dynamic_submenus = getattr(self, "dynamic_submenus", {})
-                    self.dynamic_submenus[action_item["handler"]] = submenu
-
-                    # Connect submenu aboutToShow signal to population function
-                    submenu.aboutToShow.connect(self.populate_dynamic_submenu)
-
     def populate_dynamic_submenu(self):
-        """Dynamically populates the submenu when selected."""
-        submenu = self.dynamic_submenus["populate_dynamic_submenu"]
-        submenu.clear()  # Remove previous items
+        """Dynamically populates submenus when they are selected."""
+        submenu = self.sender()  # Get the submenu that triggered the event
 
-        # Example: Populate submenu with dynamically generated items
-        items = self.get_dynamic_menu_items()  # Assume this method provides a list of items
+        # Find which submenu it is
+        for key, stored_submenu in self.dynamic_submenus.items():
+            if submenu == stored_submenu:
+                submenu.clear()
+                # Dynamically call the correct function
+                items = getattr(self, f"get_{key}_items")()
+                for item in items:
+                    action = QAction(item["text"], self)
+                    action.triggered.connect(
+                        lambda _, i=item["handler"]: getattr(self, i)()
+                    )
+                    submenu.addAction(action)
+                break
 
-        for item in items:
-            action = QAction(item["text"], self)
-            action.triggered.connect(lambda _, i=item["handler"]: getattr(self, i)())
-            submenu.addAction(action)
-
-    def get_dynamic_menu_items(self):
-        """Returns dynamically generated menu items (replace with real logic)."""
+    def get_new_playlist_dynamic_submenu_items(self):
+        """Returns dynamically generated menu items for Submenu 1."""
         return [
-            {"text": "Dynamic Option 1", "handler": "dynamic_option_1"},
-            {"text": "Dynamic Option 2", "handler": "dynamic_option_2"},
-            {"text": "Dynamic Option 3", "handler": "dynamic_option_3"},
+            {"text": "Option A", "handler": "option_a_handler"},
+            {"text": "Option B", "handler": "option_b_handler"},
         ]
 
+    def get_query_dynamic_submenu_items(self):
+        """Returns dynamically generated menu items for Submenu 2."""
+        return [
+            {"text": "Action X", "handler": "action_x_handler"},
+            {"text": "Action Y", "handler": "action_y_handler"},
+        ]
+
+    def select_duplicate_rows(self) -> None:
+        """Call playlist to select duplicate rows"""
+
+        self.active_tab().select_duplicate_rows()
+
     def about(self) -> None:
         """Get git tag and database name"""
 
@@ -838,7 +846,8 @@ class Window(QMainWindow):
 
         log.debug(f"enable_escape({enabled=})")
 
-        self.action_Clear_selection.setEnabled(enabled)
+        if "clear_selection" in self.menu_actions:
+            self.menu_actions["clear_selection"].setEnabled(enabled)
 
     def end_of_track_actions(self) -> None:
         """

app/playlists.py

@@ -364,7 +364,7 @@ class PlaylistTab(QTableView):
         Override closeEditor to enable play controls and update display.
         """
 
-        self.musicmuster.action_Clear_selection.setEnabled(True)
+        self.musicmuster.enable_escape(True)
 
         super(PlaylistTab, self).closeEditor(editor, hint)
 

menu.yaml

@@ -1,11 +1,23 @@
 menus:
   - title: "&File"
+    actions:
+      - text: "Save as Template"
+        handler: "save_as_template"
+      - text: "Manage Templates"
+        handler: "manage_templates"
+      - separator: true
+      - separator: true
+      - text: "Exit"
+        handler: "close"
+
+  - title: "&Playlist"
     actions:
       - text: "Open Playlist"
         handler: "open_playlist"
         shortcut: "Ctrl+O"
       - text: "New Playlist"
-        handler: "new_playlist"
+        handler: "new_playlist_dynamic_submenu"
+        submenu: true
       - text: "Close Playlist"
         handler: "close_playlist_tab"
       - text: "Rename Playlist"
@@ -13,31 +25,18 @@ menus:
       - text: "Delete Playlist"
         handler: "delete_playlist"
       - separator: true
-      - text: "Save as Template"
-        handler: "save_as_template"
-      - text: "Manage Templates"
-        handler: "manage_templates"
-      - separator: true
-      - text: "Import Files"
-        handler: "import_files_wrapper"
-        shortcut: "Ctrl+Shift+I"
-      - separator: true
-      - text: "Dynamic Submenu"
-        handler: "populate_dynamic_submenu"
-        submenu: true
-      - separator: true
-      - text: "Exit"
-        handler: "close"
-
-  - title: "&Playlist"
-    actions:
-      - separator: true
       - text: "Insert Track"
         handler: "insert_track"
         shortcut: "Ctrl+T"
+      - text: "Select Track from Query"
+        handler: "query_dynamic_submenu"
+        submenu: true
       - text: "Insert Section Header"
         handler: "insert_header"
         shortcut: "Ctrl+H"
+      - text: "Import Files"
+        handler: "import_files_wrapper"
+        shortcut: "Ctrl+Shift+I"
       - separator: true
       - text: "Mark for Moving"
         handler: "mark_rows_for_moving"
@@ -53,7 +52,6 @@ menus:
       - separator: true
       - text: "Select Duplicate Rows"
         handler: "select_duplicate_rows"
-        use_lambda: true
       - text: "Move Selected"
         handler: "move_selected"
       - text: "Move Unplayed"