WIP V3: remove references to HEADER_NOTES_COLUMN in playlists.py

When a header row moved down to make room for a track row,
the column spanning is now reset on the now-track row.

app/playlistmodel.py

@@ -375,6 +375,11 @@ class PlaylistModel(QAbstractTableModel):
         Return text for editing
         """
 
+        # If this is a header row and we're being asked for the
+        # HEADER_NOTES_COLUMN, return the note value
+        if self.is_header_row(row) and column == HEADER_NOTES_COLUMN:
+            return QVariant(prd.note)
+
         if column == Col.TITLE.value:
             return QVariant(prd.title)
         if column == Col.ARTIST.value:
@@ -497,16 +502,34 @@ class PlaylistModel(QAbstractTableModel):
                         # There was no start of section
                         return prd.note
                     if row_prd.note.endswith(("+", "=")):
+                        # If we are playing this section, also
+                        # calculate end time if all tracks are played.
+                        end_time_str = ""
+                        if (
+                            track_sequence.now.plr_rownum
+                            and track_sequence.now.end_time
+                            and (
+                                row_number
+                                < track_sequence.now.plr_rownum
+                                < prd.plr_rownum
+                            )
+                        ):
+                            section_end_time = track_sequence.now.end_time + timedelta(
+                                milliseconds=duration
+                            )
+                            end_time_str = ", section end time " + section_end_time.strftime(
+                                Config.TRACK_TIME_FORMAT
+                            )
                         stripped_note = prd.note[:-1].strip()
                         if stripped_note:
                             return (
                                 f"{stripped_note} [{count} track{'s' if count > 1 else ''}, "
-                                f"{ms_to_mmss(duration)} unplayed]"
+                                f"{ms_to_mmss(duration)} unplayed{end_time_str}]"
                             )
                         else:
                             return (
                                 f"[Subtotal: {count} track{'s' if count > 1 else ''}, "
-                                f"{ms_to_mmss(duration, none='none')} unplayed]"
+                                f"{ms_to_mmss(duration, none='none')} unplayed{end_time_str}]"
                             )
                     else:
                         continue
@@ -633,6 +656,11 @@ class PlaylistModel(QAbstractTableModel):
             # Optimise: only add to map if there is a change
             if old_row != new_row:
                 row_map[old_row] = new_row
+                if self.is_header_row(old_row):
+                    # Reset column span
+                    self.signals.span_cells_signal.emit(
+                        old_row, HEADER_NOTES_COLUMN, 1, 1
+                    )
 
         # For SQLAlchemy, build a list of dictionaries that map plrid to
         # new row number:

app/playlists.py

@@ -55,7 +55,7 @@ if TYPE_CHECKING:
     from musicmuster import Window
 from playlistmodel import PlaylistModel
 
-HEADER_NOTES_COLUMN = 2
+# HEADER_NOTES_COLUMN = 2
 
 
 class EscapeDelegate(QStyledItemDelegate):
@@ -1369,18 +1369,18 @@ class PlaylistTab(QTableView):
 
         return self._get_row_userdata(row_number, self.ROW_LAST_PLAYED)
 
-    def _get_row_note(self, row_number: int) -> str:
-        """Return note on this row_number or null string if none"""
+    # def _get_row_note(self, row_number: int) -> str:
+    #     """return note on this row_number or null string if none"""
 
-        track_id = self._get_row_track_id(row_number)
-        if track_id:
-            item_note = self.item(row_number, ROW_NOTES)
-        else:
-            item_note = self.item(row_number, HEADER_NOTES_COLUMN)
-        if not item_note:
-            return ""
+    #     track_id = self._get_row_track_id(row_number)
+    #     if track_id:
+    #         item_note = self.item(row_number, row_notes)
+    #     else:
+    #         item_note = self.item(row_number, header_notes_column)
+    #     if not item_note:
+    #         return ""
 
-        return item_note.text()
+    #     return item_note.text()
 
     def _get_row_path(self, row_number: int) -> str:
         """
@@ -1678,47 +1678,47 @@ class PlaylistTab(QTableView):
 
         return None
 
-    def _remove_track(self, row_number: int) -> None:
-        """Remove track from row, making it a section header"""
+    # def _remove_track(self, row_number: int) -> None:
+    #     """Remove track from row, making it a section header"""
 
-        # Get confirmation
-        if not ask_yes_no(
-            "Remove music", "Really remove the music track from this row?"
-        ):
-            return
+    #     # Get confirmation
+    #     if not ask_yes_no(
+    #         "Remove music", "Really remove the music track from this row?"
+    #     ):
+    #         return
 
-        # Update playlist_rows record
-        with Session() as session:
-            plr = self._get_row_plr(session, row_number)
-            if not plr:
-                return
+    #     # Update playlist_rows record
+    #     with Session() as session:
+    #         plr = self._get_row_plr(session, row_number)
+    #         if not plr:
+    #             return
 
-            plr.track_id = None
-            # We can't have null text
-            if not plr.note:
-                plr.note = Config.TEXT_NO_TRACK_NO_NOTE
-            session.flush()
+    #         plr.track_id = None
+    #         # We can't have null text
+    #         if not plr.note:
+    #             plr.note = Config.TEXT_NO_TRACK_NO_NOTE
+    #         session.flush()
 
-            # Clear track text items
-            for i in range(2, len(columns)):
-                _ = self._set_item_text(row_number, i, "")
-            # Remove row duration
-            self._set_row_duration(row_number, 0)
-            # Remove row start gap
-            self._set_row_start_gap(row_number, None)
-            # Remote track_id from row
-            _ = self._set_row_userdata(row_number, self.ROW_TRACK_ID, 0)
-            # Span the rows
-            self.setSpan(row_number, HEADER_NOTES_COLUMN, 1, len(columns) - 1)
-            # Set note text in correct column for section head
-            self._set_row_header_text(session, row_number, plr.note)
-            self.clear_selection()
+    #         # Clear track text items
+    #         for i in range(2, len(columns)):
+    #             _ = self._set_item_text(row_number, i, "")
+    #         # Remove row duration
+    #         self._set_row_duration(row_number, 0)
+    #         # Remove row start gap
+    #         self._set_row_start_gap(row_number, None)
+    #         # Remote track_id from row
+    #         _ = self._set_row_userdata(row_number, self.ROW_TRACK_ID, 0)
+    #         # Span the rows
+    #         self.setSpan(row_number, HEADER_NOTES_COLUMN, 1, len(columns) - 1)
+    #         # Set note text in correct column for section head
+    #         self._set_row_header_text(session, row_number, plr.note)
+    #         self.clear_selection()
 
-            # Save playlist to ensure correct detection of new header
-            # row
-            self.save_playlist(session)
-            # Set track start/end times after track list is populated
-            self._update_start_end_times(session)
+    #         # Save playlist to ensure correct detection of new header
+    #         # row
+    #         self.save_playlist(session)
+    #         # Set track start/end times after track list is populated
+    #         self._update_start_end_times(session)
 
     def _reorder_rows(self, source_row_numbers: List[int]) -> None:
         """
@@ -2107,38 +2107,38 @@ class PlaylistTab(QTableView):
 
         return self._set_item_text(row_number, END_TIME, time_str)
 
-    def _set_row_header_text(
-        self, session: scoped_session, row_number: int, text: str
-    ) -> None:
-        """
-        Set header text and row colour
-        """
+    # def _set_row_header_text(
+    #     self, session: scoped_session, row_number: int, text: str
+    # ) -> None:
+    #     """
+    #     Set header text and row colour
+    #     """
 
-        # Sanity check: this should be a header row and thus not have a
-        # track associate
-        if self._get_row_track_id(row_number):
-            if os.environ["MM_ENV"] == "PRODUCTION":
-                send_mail(
-                    Config.ERRORS_TO,
-                    Config.ERRORS_FROM,
-                    "playlists:_set_row_header_text() called on track row",
-                    stackprinter.format(),
-                )
-            print(
-                f"playists:_set_row_header_text() called on track row ({row_number=}, {text=}"
-            )
-            # stackprinter.show(add_summary=True, style="darkbg")
-            return
+    #     # Sanity check: this should be a header row and thus not have a
+    #     # track associate
+    #     if self._get_row_track_id(row_number):
+    #         if os.environ["MM_ENV"] == "PRODUCTION":
+    #             send_mail(
+    #                 Config.ERRORS_TO,
+    #                 Config.ERRORS_FROM,
+    #                 "playlists:_set_row_header_text() called on track row",
+    #                 stackprinter.format(),
+    #             )
+    #         print(
+    #             f"playists:_set_row_header_text() called on track row ({row_number=}, {text=}"
+    #         )
+    #         # stackprinter.show(add_summary=True, style="darkbg")
+    #         return
 
-        # Set text
-        _ = self._set_item_text(row_number, HEADER_NOTES_COLUMN, text)
+    #     # Set text
+    #     _ = self._set_item_text(row_number, HEADER_NOTES_COLUMN, text)
 
-        # Set colour
-        note_colour = NoteColours.get_colour(session, text)
-        if not note_colour:
-            note_colour = Config.COLOUR_NOTES_PLAYLIST
+    #     # Set colour
+    #     note_colour = NoteColours.get_colour(session, text)
+    #     if not note_colour:
+    #         note_colour = Config.COLOUR_NOTES_PLAYLIST
 
-        self._set_row_colour(row_number, note_colour)
+    #     self._set_row_colour(row_number, note_colour)
 
     def _set_row_last_played_time(
         self, row_number: int, last_played: datetime