showCalendarDialog static method

Future<Calendar?> showCalendarDialog(BuildContext context, String title, String? notSetString, List<Calendar> calendars, Calendar? selected,)

Implementation

static Future<Calendar?> showCalendarDialog(
  BuildContext context,
  String title,
  String? notSetString,
  List<Calendar> calendars,
  Calendar? selected,
) async {

  return showDialog<Calendar>(
    context: context,
    builder: (BuildContext context) {
      final startIndex = notSetString == null ? 0 : 1;
      return AlertDialog(
        title: Text(title),
        contentPadding: const EdgeInsets.fromLTRB(0, 20, 0, 0),
        content: SizedBox(
          width: double.maxFinite,
          child: ListView.builder(
            shrinkWrap: true,
            itemCount: calendars.length + startIndex,
            itemBuilder: (BuildContext context, int index) {
              final calendar = calendars.atIndexOrNull(index - startIndex);
              return RadioListTile<Calendar?>.adaptive(
                title: Row(
                  children: [
                    if (calendar != null)
                      Padding(
                        padding: const EdgeInsets.only(right: 4.0),
                        child: Container(
                          alignment: Alignment.center,
                          width: 10,
                          height: 10,
                          decoration: BoxDecoration(
                              shape: BoxShape.circle,
                              color: Color(calendar.color ?? 0)),
                        ),
                      ),
                    Text(calendar?.name ?? notSetString ?? '')
                  ],
                ),
                value: calendar,
                groupValue: selected,
                onChanged: (Calendar? value) {
                  if (value == null) {
                    Navigator.pop(context, Calendar());
                  } else {
                    Navigator.pop(context, value);
                  }
                },
              );
            },
          ),
        ),
      );
    },
  );
}