Client/lib/view/pages/timetable/timetable.dart

135 lines
4.4 KiB
Dart

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:syncfusion_flutter_calendar/calendar.dart';
import '../../../homescreen_widgets/timetable/timetableHomeWidget.dart';
import '../../../model/timetable/timetableProps.dart';
import '../../../storage/base/settingsProvider.dart';
import '../../../widget/loadingSpinner.dart';
import '../../../widget/placeholderView.dart';
import 'calendar.dart';
import 'customTimetableEventEditDialog.dart';
import 'viewCustomTimetableEvents.dart';
class Timetable extends StatefulWidget {
const Timetable({super.key});
@override
State<Timetable> createState() => _TimetableState();
}
enum CalendarActions { addEvent, viewEvents }
class _TimetableState extends State<Timetable> {
CalendarController controller = CalendarController();
late Timer updateTimings;
late SettingsProvider settings;
@override
void initState() {
settings = Provider.of<SettingsProvider>(context, listen: false);
WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
Provider.of<TimetableProps>(context, listen: false).run();
});
controller.displayDate = DateTime.now().add(const Duration(days: 2));
updateTimings = Timer.periodic(const Duration(seconds: 30), (Timer t) => setState((){}));
super.initState();
}
@override
Widget build(BuildContext context) => Scaffold(
appBar: AppBar(
title: const Text('Stunden & Vertretungsplan'),
actions: [
IconButton(onPressed: () => TimetableHomeWidget.update(context), icon: Icon(Icons.screen_share_outlined)),
IconButton(
icon: const Icon(Icons.home_outlined),
onPressed: () {
controller.displayDate = DateTime.now().add(const Duration(days: 2));
}
),
PopupMenuButton<CalendarActions>(
icon: const Icon(Icons.edit_calendar_outlined),
itemBuilder: (context) => CalendarActions.values.map(
(e) {
String title;
Icon icon;
switch(e) {
case CalendarActions.addEvent:
title = 'Kalendereintrag hinzufügen';
icon = const Icon(Icons.add);
case CalendarActions.viewEvents:
title = 'Kalendereinträge anzeigen';
icon = const Icon(Icons.perm_contact_calendar_outlined);
}
return PopupMenuItem<CalendarActions>(
value: e,
child: ListTile(
title: Text(title),
leading: icon,
)
);
}
).toList(),
onSelected: (value) {
switch(value) {
case CalendarActions.addEvent:
showDialog(
context: context,
builder: (context) => const CustomTimetableEventEditDialog(),
barrierDismissible: false,
);
case CalendarActions.viewEvents:
Navigator.of(context).push(MaterialPageRoute(builder: (context) => const ViewCustomTimetableEvents()));
}
},
)
],
),
body: Consumer<TimetableProps>(
builder: (context, value, child) {
if(value.hasError) {
return PlaceholderView(
icon: Icons.calendar_month,
text: 'Webuntis error: ${value.error.toString()}',
button: TextButton(
child: const Text('Neu laden'),
onPressed: () {
controller.displayDate = DateTime.now().add(const Duration(days: 2));
Provider.of<TimetableProps>(context, listen: false).resetWeek();
},
),
);
}
if(value.primaryLoading()) return const LoadingSpinner();
return RefreshIndicator(
child: Calendar(
controller: controller,
timetableProps: value,
settings: settings,
),
onRefresh: () async {
Provider.of<TimetableProps>(context, listen: false).run(renew: true);
return Future.delayed(const Duration(seconds: 3));
}
);
},
)
);
@override
void dispose() {
updateTimings.cancel();
super.dispose();
}
}