initial

lib/todo/calendar_old.dart

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+import 'dart:core';
+
+
+/*class CalendarListPage extends StatefulWidget with NavigationDrawerItem {
+
+  final String title = 'Termine';
+
+  @override
+  State<StatefulWidget> createState() => CalendarListPageState();
+}
+
+class CalendarListPageState extends State<CalendarListPage> {
+  List _selectedDayList = [];
+  Map<DateTime, List<EventModel>> _events = {};
+  CalendarController? _calendarController;
+
+  @override
+  void dispose() {
+    _calendarController!.dispose();
+    super.dispose();
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    _calendarController = CalendarController();
+    init();
+  }
+
+  void init() async {
+    EventController.getEventListStream().forEach((events) {
+      setState(() {
+        _events = _mapListToCalendarEvents(events);
+        _selectedDayList = events
+            .where((e) =>
+        DateTime(e.schedule.startTime.year, e.schedule.startTime.month, e.schedule.startTime.day) ==
+            DateTime(
+                _calendarController!.selectedDay.year,
+                _calendarController!.selectedDay.month,
+                _calendarController!.selectedDay.day))
+            .toList();
+      });
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) => SafeArea(
+        bottom: false,
+        child: Padding(
+          padding: const EdgeInsets.fromLTRB(UIShapes.paddingSimple,
+              UIShapes.paddingSimple, UIShapes.paddingSimple, 0),
+          child: ListView(
+            primary: true,
+            children: <Widget>[
+              FormattedCalendar(_events, _calendarController!, _onDaySelected),
+              ColumnExtension.builder(
+                itemCount: _selectedDayList.length,
+                itemBuilder: (context, index) =>
+                    CalendarListTile(_selectedDayList[index]),
+              ),
+            ],
+          ),
+        ),
+      );
+
+  void _onDaySelected(DateTime dateTime, List list, List list2) {
+    setState(() {
+      _selectedDayList = list.isEmpty ? [] : list;
+    });
+  }
+
+  Map<DateTime, List<EventModel>> _mapListToCalendarEvents(List<EventModel> list) {
+    final map = <DateTime, List<EventModel>>{};
+    DateTime dateKey;
+    int i;
+    int j;
+    for (final e in list) {
+      j = 0;
+      dateKey = e.schedule.startTime;
+      do {
+        if (e.schedule.frequency != Frequency.once && e.schedule.interval != null) {
+          if (e.schedule.frequency == Frequency.days) {
+            dateKey = dateKey.add(Duration(days: e.schedule.interval!));
+          } else if (e.schedule.frequency == Frequency.weeks) {
+            dateKey = dateKey.add(Duration(days: 7 * e.schedule.interval!));
+          } else if (e.schedule.frequency == Frequency.months) {
+            dateKey = dateKey =
+                DateTime(dateKey.year, dateKey.month + e.schedule.interval!, dateKey.day);
+          }
+          if (e.schedule.until != null && e.schedule.until!.isBefore(dateKey)) {
+            break;
+          }
+        }
+        i = 0;
+        do {
+          var dateKey2 = dateKey.add(Duration(days: i));
+          dateKey2 = DateTime(dateKey2.year, dateKey2.month, dateKey2.day);
+          if (map.containsKey(dateKey2)) {
+            map[dateKey2]!.add(e);
+          } else {
+            map[dateKey2] = [e];
+          }
+          i++;
+        } while (i < e.schedule.endTime.difference(e.schedule.startTime).inDays);
+        j++;
+      } while (e.schedule.frequency != Frequency.once && e.schedule.interval != null && j < 52);
+    }
+    return map;
+  }
+}
+
+class FormattedCalendar extends StatelessWidget {
+  final Map<DateTime, List> _events;
+  final CalendarController _controller;
+  final void Function(DateTime, List, List) _onDaySelected;
+
+  const FormattedCalendar(this._events, this._controller, this._onDaySelected);
+
+  @override
+  Widget build(BuildContext context) {
+    final defaultCalendar = TableCalendar(
+      calendarController: CalendarController(),
+    );
+    final calendar = TableCalendar(
+      locale: 'de_DE',
+      availableCalendarFormats: const {
+        CalendarFormat.month: 'Month',
+      },
+      headerStyle: HeaderStyle(
+        centerHeaderTitle: true,
+        titleTextBuilder: (date, locale) =>
+            '${getMonthName(date.month)} ${date.year.toString()}'.toUpperCase(),
+        titleTextStyle: UITheme.theme.textTheme.headline5,
+      ),
+      daysOfWeekStyle: DaysOfWeekStyle(
+        weekendStyle: defaultCalendar.daysOfWeekStyle.weekdayStyle,
+        dowTextBuilder: (date, locale) =>
+            getDayName(date.weekday).toUpperCase(),
+      ),
+      startingDayOfWeek: StartingDayOfWeek.monday,
+      calendarStyle: CalendarStyle(
+        outsideWeekendStyle: defaultCalendar.calendarStyle.outsideStyle,
+        weekendStyle: defaultCalendar.calendarStyle.weekdayStyle
+            .apply(color: UIColors.grey5),
+        weekdayStyle: defaultCalendar.calendarStyle.weekdayStyle
+            .apply(color: UIColors.grey5),
+        eventDayStyle: defaultCalendar.calendarStyle.weekdayStyle
+            .apply(color: UIColors.grey5,),
+        todayColor: UIColors.grey3,
+        selectedColor: UIColors.grey5,
+        markersColor: Color(0xFFFFD445),
+      ),
+      events: _events,
+      calendarController: _controller,
+      onDaySelected: _onDaySelected,
+    );
+    return calendar;
+  }
+
+  static String getMonthName(int month) {
+    switch (month) {
+      case 1:
+        return 'Januar';
+      case 2:
+        return 'Februar';
+      case 3:
+        return 'März';
+      case 4:
+        return 'April';
+      case 5:
+        return 'Mai';
+      case 6:
+        return 'Juni';
+      case 7:
+        return 'July';
+      case 8:
+        return 'August';
+      case 9:
+        return 'September';
+      case 10:
+        return 'Oktober';
+      case 11:
+        return 'November';
+      case 12:
+        return 'Dezember';
+      default:
+        return '?';
+    }
+  }
+
+  static String getDayName(int month) {
+    switch (month) {
+      case 1:
+        return 'Mo';
+      case 2:
+        return 'Di';
+      case 3:
+        return 'Mi';
+      case 4:
+        return 'Do';
+      case 5:
+        return 'Fr';
+      case 6:
+        return 'Sa';
+      case 7:
+        return 'So';
+      default:
+        return '?';
+    }
+  }
+}
+*/