added option for timetable naming modes

lib/view/settings/defaultSettings.dart

@@ -11,6 +11,7 @@ import '../../storage/notification/notificationSettings.dart';
 import '../../storage/talk/talkSettings.dart';
 import '../../storage/timetable/timetableSettings.dart';
 import '../pages/files/files.dart';
+import '../pages/timetable/timetableNameMode.dart';
 
 class DefaultSettings {
   static Settings get() => Settings(
@@ -18,6 +19,7 @@ class DefaultSettings {
       devToolsEnabled: false,
       timetableSettings: TimetableSettings(
         connectDoubleLessons: false,
+        timetableNameMode: TimetableNameMode.name
       ),
       talkSettings: TalkSettings(
         sortFavoritesToTop: true,

lib/view/settings/settings.dart

@@ -14,6 +14,7 @@ import '../../theming/appTheme.dart';
 import '../../widget/centeredLeading.dart';
 import '../../widget/confirmDialog.dart';
 import '../../widget/debug/cacheView.dart';
+import '../pages/timetable/timetableNameMode.dart';
 import 'defaultSettings.dart';
 import 'devToolsSettingsDialog.dart';
 import 'privacyInfo.dart';
@@ -95,6 +96,29 @@ class _SettingsState extends State<Settings> {
 
             const Divider(),
 
+            ListTile(
+              leading: const Icon(Icons.abc_outlined),
+              title: const Text('Fachbezeichnung'),
+              trailing: DropdownButton<TimetableNameMode>(
+                value: settings.val().timetableSettings.timetableNameMode,
+                icon: Icon(Icons.arrow_drop_down),
+                items: TimetableNameMode.values.map((e) => DropdownMenuItem(
+                  value: e,
+                  enabled: e != settings.val().timetableSettings.timetableNameMode,
+                  child: Row(
+                    children: [
+                      Icon(TimetableNameModes.getDisplayOptions(e).icon),
+                      const SizedBox(width: 10),
+                      Text(TimetableNameModes.getDisplayOptions(e).displayName),
+                    ],
+                  ),
+                )).toList(),
+                onChanged: (value) {
+                  settings.val(write: true).timetableSettings.timetableNameMode = value!;
+                  Provider.of<TimetableProps>(context, listen: false).run(renew: false);
+                },
+              )
+            ),
             ListTile(
               leading: const Icon(Icons.calendar_view_day_outlined),
               title: const Text('Doppelstunden zusammenhängend anzeigen'),