WIP: V3 header rows span columns

app/musicmuster.py

@@ -245,6 +245,7 @@ class MusicMusterSignals(QObject):
     """
 
     set_next_track_signal = pyqtSignal(int, int)
+    span_cells_signal = pyqtSignal(int, int, int, int)
 
 
 class PlaylistTrack:

app/playlistmodel.py

@@ -1,6 +1,6 @@
 from datetime import datetime
 from enum import auto, Enum
-from typing import Optional
+from typing import Optional, TYPE_CHECKING
 
 from PyQt6.QtCore import (
     QAbstractTableModel,
@@ -12,7 +12,6 @@ from PyQt6.QtCore import (
 from PyQt6.QtGui import (
     QBrush,
     QColor,
-    QFont,
 )
 
 from config import Config
@@ -27,6 +26,9 @@ from models import (
     PlaylistRows,
 )
 
+if TYPE_CHECKING:
+    from musicmuster import MusicMusterSignals
+
 
 class Col(Enum):
     START_GAP = 0
@@ -40,6 +42,9 @@ class Col(Enum):
     NOTE = auto()
 
 
+HEADER_NOTES_COLUMN = 1
+
+
 class PlaylistRowData:
     def __init__(self, plr: PlaylistRows) -> None:
         """
@@ -77,8 +82,11 @@ class PlaylistRowData:
 
 
 class PlaylistModel(QAbstractTableModel):
-    def __init__(self, playlist_id: int, *args, **kwargs):
+    def __init__(
+        self, playlist_id: int, signals: "MusicMusterSignals", *args, **kwargs
+    ):
         self.playlist_id = playlist_id
+        self.signals = signals
         super().__init__(*args, **kwargs)
 
         self.playlist_rows: dict[int, PlaylistRowData] = {}
@@ -146,6 +154,21 @@ class PlaylistModel(QAbstractTableModel):
         Return text for display
         """
 
+        # Detect whether this is a header row
+        if not prd.path:
+            header = prd.note
+        else:
+            header = ""
+
+        if header:
+            if column == HEADER_NOTES_COLUMN:
+                self.signals.span_cells_signal.emit(
+                    row, HEADER_NOTES_COLUMN, 1, self.columnCount() - 1
+                )
+                return QVariant(prd.note)
+            else:
+                return QVariant()
+
         if column == Col.START_GAP.value:
             return QVariant(prd.start_gap)
         if column == Col.TITLE.value:
@@ -168,7 +191,11 @@ class PlaylistModel(QAbstractTableModel):
         return QVariant()
 
     def background_role(self, row: int, column: int, prd: PlaylistRowData) -> QBrush:
-        """ Return background setting """
+        """Return background setting"""
+
+        # Handle entire row colouring
+        if file_is_unreadable(prd.path):
+            return QBrush(QColor(Config.COLOUR_UNREADABLE))
 
         if column == Col.START_GAP.value:
             if prd.start_gap and prd.start_gap >= Config.START_GAP_WARNING_THRESHOLD:
@@ -199,7 +226,6 @@ class PlaylistModel(QAbstractTableModel):
         #             cell_colour = Config.COLOUR_BITRATE_OK
         #         return QVariant(QColor(cell_colour))
 
-
         # if not rowdata.played:
         #     font = QFont()
         #     font.setBold(True)

app/playlists_v3.py

@@ -146,7 +146,7 @@ class PlaylistTab(QTableView):
         super().__init__()
         self.musicmuster = musicmuster
         self.playlist_id = playlist_id
-        self.setModel(PlaylistModel(playlist_id))
+        self.setModel(PlaylistModel(playlist_id, signals))
         self.signals = signals
 
         # Set up widget
@@ -202,6 +202,7 @@ class PlaylistTab(QTableView):
         self.horizontalHeader().sectionResized.connect(self._column_resize)
         # self.itemSelectionChanged.connect(self._select_event)
         # self.signals.set_next_track_signal.connect(self._reset_next)
+        self.signals.span_cells_signal.connect(self._span_cells)
 
         # Load playlist rows
         # self.populate_display(session, self.playlist_id)
@@ -2379,6 +2380,13 @@ class PlaylistTab(QTableView):
             self.save_playlist(session)
             self._update_start_end_times(session)
 
+    def _span_cells(self, row: int, column: int, rowSpan: int, columnSpan: int) -> None:
+        """
+        Implement spanning of cells, initiated by signal
+        """
+
+        self.setSpan(row, column, rowSpan, columnSpan)
+
     def _track_time_between_rows(
         self, session: scoped_session, from_plr: PlaylistRows, to_plr: PlaylistRows
     ) -> Tuple[int, int]: