multi-column sort

components/MusicTable.py

@@ -105,6 +105,7 @@ class MusicTable(QTableView):
         self.current_song_filepath = ""
         self.horizontalHeader().setStretchLastSection(True)
         self.horizontalHeader().setSectionResizeMode(QHeaderView.Interactive)
+        self.setSortingEnabled(False)
         # self.horizontalHeader().setCascadingSectionResizes(True)
         # CONNECTIONS
         self.clicked.connect(self.set_selected_song_filepath)
@@ -132,6 +133,35 @@ class MusicTable(QTableView):
         for i in range(self.model.columnCount() - 1):
             self.setColumnWidth(i, int(table_view_column_widths[i]))
 
+    def sort_table_by_multiple_columns(self):
+        """
+        Sorts the data in QTableView (self) by multiple columns
+        as defined in config.ini
+        """
+        self.setSortingEnabled(False)
+        self.setSortingEnabled(True)
+        sort_orders = []
+        config_sort_orders: list[int] = [
+            int(x) for x in self.config["table"]["sort_orders"].split(",")
+        ]
+        print(f"config sort orders = {config_sort_orders}")
+        for order in config_sort_orders:
+            if order == 0:
+                sort_orders.append(None)
+            elif order == 1:
+                sort_orders.append(Qt.SortOrder.AscendingOrder)
+            elif order == 2:
+                sort_orders.append(Qt.SortOrder.DescendingOrder)
+
+        print(f"sort_orders = {sort_orders}")
+        for i, order in enumerate(sort_orders):
+            print(f"i = {i}, order = {order}")
+            if order is not None:
+                print(f"sorting column {i} by {order}")
+                self.sortByColumn(i, order)
+
+        self.model.layoutChanged.emit()
+
     def resizeEvent(self, e: typing.Optional[QResizeEvent]) -> None:
         """Do something when the QTableView is resized"""
         if e is None:

main.py

@@ -211,6 +211,9 @@ class ApplicationWindow(QMainWindow, Ui_MainWindow):
         self.actionScanLibraries.triggered.connect(self.scan_libraries)
         self.actionDeleteLibrary.triggered.connect(self.clear_database)
         self.actionDeleteDatabase.triggered.connect(self.delete_database)
+        self.actionSortColumns.triggered.connect(
+            self.tableView.sort_table_by_multiple_columns
+        )
 
         # QTableView
         self.tableView.viewport().installEventFilter(

sample_config.ini

@@ -17,3 +17,4 @@ extensions = mp3,wav,ogg,flac
 # Music table options
 columns = title,artist,album,track_number,genre,codec,album_date,filepath
 column_widths = 181,116,222,76,74,72,287,150
+sort_orders = None,Qt.AscendingOrder,Qt.AscendingOrder,Qt.AscendingOrder,None,None,None,None

ui.py

@@ -181,6 +181,8 @@ class Ui_MainWindow(object):
         self.actionScanLibraries.setObjectName("actionScanLibraries")
         self.actionDeleteLibrary = QtWidgets.QAction(MainWindow)
         self.actionDeleteLibrary.setObjectName("actionDeleteLibrary")
+        self.actionSortColumns = QtWidgets.QAction(MainWindow)
+        self.actionSortColumns.setObjectName("actionSortColumns")
         self.actionOpenFiles = QtWidgets.QAction(MainWindow)
         self.actionOpenFiles.setObjectName("actionOpenFiles")
         self.actionDeleteDatabase = QtWidgets.QAction(MainWindow)
@@ -196,6 +198,7 @@ class Ui_MainWindow(object):
         self.menuQuick_Actions.addAction(self.actionScanLibraries)
         self.menuQuick_Actions.addAction(self.actionDeleteLibrary)
         self.menuQuick_Actions.addAction(self.actionDeleteDatabase)
+        self.menuQuick_Actions.addAction(self.actionSortColumns)
         self.menubar.addAction(self.menuFile.menuAction())
         self.menubar.addAction(self.menuEdit.menuAction())
         self.menubar.addAction(self.menuView.menuAction())
@@ -224,6 +227,7 @@ class Ui_MainWindow(object):
         self.actionPreferences.setStatusTip(_translate("MainWindow", "Open preferences"))
         self.actionScanLibraries.setText(_translate("MainWindow", "Scan libraries"))
         self.actionDeleteLibrary.setText(_translate("MainWindow", "Delete Library"))
+        self.actionSortColumns.setText(_translate("MainWindow", "Sort Columns"))
         self.actionOpenFiles.setText(_translate("MainWindow", "Open file(s)"))
         self.actionDeleteDatabase.setText(_translate("MainWindow", "Delete Database"))
         self.actionNewPlaylist.setText(_translate("MainWindow", "New playlist"))

ui.ui

@@ -316,6 +316,7 @@
     <addaction name="actionScanLibraries"/>
     <addaction name="actionDeleteLibrary"/>
 	<addaction name="actionDeleteDatabase"/>
+				<addaction name="actionSortColumns"/>
    </widget>
    <addaction name="menuFile"/>
    <addaction name="menuEdit"/>
@@ -341,6 +342,11 @@
     <string>Delete Library</string>
    </property>
   </action>
+  <action name="actionSortColumns">
+   <property name="text">
+    <string>Sort Columns</string>
+   </property>
+  </action>
   <action name="actionOpenFiles">
    <property name="text">
     <string>Open file(s)</string>

utils/create_blank_mp3.sh

@@ -1,2 +1,3 @@
 #!/bin/bash
+# creates a 5 second long empty mp3 file
 ffmpeg -f lavfi -i anullsrc=r=44100:cl=mono -t 5 -q:a 9 -acodec libmp3lame out.mp3