added option for timetable naming modes

lib/view/pages/timetable/timetable.dart

@@ -19,6 +19,7 @@ import 'customTimetableColors.dart';
 import 'customTimetableEventEditDialog.dart';
 import 'timeRegionComponent.dart';
 import 'timetableEvents.dart';
+import 'timetableNameMode.dart';
 import 'viewCustomTimetableEvents.dart';
 
 class Timetable extends StatefulWidget {
@@ -72,7 +73,6 @@ class _TimetableState extends State<Timetable> {
                       title = 'Kalendereintrag hinzufügen';
                       icon = const Icon(Icons.add);
                     case CalendarActions.viewEvents:
-                    default:
                       title = 'Kalendereinträge anzeigen';
                       icon = const Icon(Icons.perm_contact_calendar_outlined);
                   }
@@ -300,11 +300,20 @@ class _TimetableState extends State<Timetable> {
       try {
         var startTime = _parseWebuntisTimestamp(element.date, element.startTime);
         var endTime = _parseWebuntisTimestamp(element.date, element.endTime);
+
+        var subject = subjects.result.firstWhere((subject) => subject.id == element.su[0].id);
+        var subjectName = {
+          TimetableNameMode.name: subject.name,
+          TimetableNameMode.longName: subject.longName,
+          TimetableNameMode.alternateName: subject.alternateName,
+        }[settings.val().timetableSettings.timetableNameMode];
+
+
         return Appointment(
           id: ArbitraryAppointment(webuntis: element),
           startTime: startTime,
           endTime: endTime,
-          subject: subjects.result.firstWhere((subject) => subject.id == element.su[0].id).name,
+          subject: subjectName!,
           location: ''
               '${rooms.result.firstWhere((room) => room.id == element.ro[0].id).name}'
               '\n'

lib/view/pages/timetable/timetableNameMode.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+
+import '../../../widget/dropdownDisplay.dart';
+
+enum TimetableNameMode {
+  name,
+  longName,
+  alternateName
+}
+
+class TimetableNameModes {
+  static DropdownDisplay getDisplayOptions(TimetableNameMode theme) {
+    switch(theme) {
+      case TimetableNameMode.name:
+        return DropdownDisplay(icon: Icons.device_unknown_outlined, displayName: 'Name');
+
+      case TimetableNameMode.longName:
+        return DropdownDisplay(icon: Icons.perm_device_info_outlined, displayName: 'Langname');
+
+      case TimetableNameMode.alternateName:
+        return DropdownDisplay(icon: Icons.on_device_training_outlined, displayName: 'Kurzform');
+    }
+  }
+}
+

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'),