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Feature: Extract CupertinoDatePicker into an Overrideable Method

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This commit is contained in:
Alexander Scott 2022-02-26 12:06:00 +10:00
parent f9d16e3a0b
commit 6b01c427b8
1 changed files with 33 additions and 18 deletions
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51
lib/src/field.dart
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@ -5,7 +5,7 @@ import 'package:intl/intl.dart';
final DateTime _kDefaultFirstSelectableDate = DateTime(1900);
final DateTime _kDefaultLastSelectableDate = DateTime(2100);
const double _kCupertinoDatePickerHeight = 216;
const double kCupertinoDatePickerHeight = 216;
/// [DateTimeField]
///
@ -106,22 +106,11 @@ class DateTimeField extends StatelessWidget {
}
if (Theme.of(context).platform == TargetPlatform.iOS) {
showModalBottomSheet<void>(
context: context,
builder: (BuildContext builder) {
return SizedBox(
height: _kCupertinoDatePickerHeight,
child: CupertinoDatePicker(
mode: _cupertinoModeFromPickerMode(mode),
onDateTimeChanged: onDateSelected!,
initialDateTime: initialDateTime,
minimumDate: firstDate,
maximumDate: lastDate,
use24hFormat: use24hFormat,
),
);
},
);
final DateTime? _selectedDateTime =
await showCupertinoPicker(context, initialDateTime);
if (_selectedDateTime != null) {
onDateSelected!(_selectedDateTime);
}
} else {
DateTime _selectedDateTime = initialDateTime;
@ -195,6 +184,32 @@ class DateTimeField extends StatelessWidget {
);
}
/// Launches the [CupertinoDatePicker] within a [showModalBottomSheet].
/// Can be @[override]n to allow further customization of the picker options
Future<DateTime?> showCupertinoPicker(
BuildContext context,
DateTime initialDateTime,
) async {
DateTime? pickedDate;
await showModalBottomSheet<DateTime?>(
context: context,
builder: (BuildContext builder) {
return SizedBox(
height: kCupertinoDatePickerHeight,
child: CupertinoDatePicker(
mode: cupertinoModeFromPickerMode(mode),
onDateTimeChanged: (DateTime dt) => pickedDate = dt,
initialDateTime: initialDateTime,
minimumDate: firstDate,
maximumDate: lastDate,
use24hFormat: use24hFormat,
),
);
},
);
return pickedDate;
}
@override
Widget build(BuildContext context) {
String? text;
@ -223,7 +238,7 @@ enum DateTimeFieldPickerMode { time, date, dateAndTime }
/// Returns the [CupertinoDatePickerMode] corresponding to the selected
/// [DateTimeFieldPickerMode]. This exists to prevent redundancy in the [DateTimeField]
/// widget parameters.
CupertinoDatePickerMode _cupertinoModeFromPickerMode(
CupertinoDatePickerMode cupertinoModeFromPickerMode(
DateTimeFieldPickerMode mode) {
switch (mode) {
case DateTimeFieldPickerMode.time: