calendar_date_picker2 1.0.6 calendar_date_picker2: ^1.0.6 copied to clipboard
A lightweight and customizable calendar picker based on Flutter CalendarDatePicker, with support for single date picker, range picker and multi picker.
import 'package:calendar_date_picker2/calendar_date_picker2.dart';
import 'package:flutter/material.dart';
import 'package:flutter_localizations/flutter_localizations.dart';
final today = DateUtils.dateOnly(DateTime.now());
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'CalendarDatePicker2 Demo',
theme: ThemeData(
primarySwatch: Colors.blue,
),
localizationsDelegates: GlobalMaterialLocalizations.delegates,
supportedLocales: const [
Locale('en', ''),
Locale('zh', ''),
Locale('he', ''),
Locale('es', ''),
Locale('ru', ''),
Locale('ko', ''),
Locale('hi', ''),
],
home: const MyHomePage(title: 'CalendarDatePicker2 Demo'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({Key? key, required this.title}) : super(key: key);
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
List<DateTime?> _dialogCalendarPickerValue = [
DateTime(2021, 8, 10),
DateTime(2021, 8, 13),
];
List<DateTime?> _singleDatePickerValueWithDefaultValue = [
DateTime.now().add(const Duration(days: 1)),
];
List<DateTime?> _multiDatePickerValueWithDefaultValue = [
DateTime(today.year, today.month, 1),
DateTime(today.year, today.month, 5),
DateTime(today.year, today.month, 14),
DateTime(today.year, today.month, 17),
DateTime(today.year, today.month, 25),
];
List<DateTime?> _rangeDatePickerValueWithDefaultValue = [
DateTime(1999, 5, 6),
DateTime(1999, 5, 21),
];
List<DateTime?> _rangeDatePickerWithActionButtonsWithValue = [
DateTime.now(),
DateTime.now().add(const Duration(days: 5)),
];
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.title),
),
body: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Wrap(
alignment: WrapAlignment.center,
children: <Widget>[
_buildCalendarDialogButton(),
_buildSingleDatePickerWithValue(),
_buildMultiDatePickerWithValue(),
_buildRangeDatePickerWithValue(),
_buildCalendarWithActionButtons(),
],
),
Wrap(
alignment: WrapAlignment.center,
children: <Widget>[
_buildScrollCalendarDialogButton(),
_buildScrollSingleDatePickerWithValue(),
_buildScrollMultiDatePickerWithValue(),
_buildScrollRangeDatePickerWithValue(),
_buildScrollCalendarWithActionButtons(),
],
),
],
),
),
);
}
String _getValueText(
CalendarDatePicker2Type datePickerType,
List<DateTime?> values,
) {
values =
values.map((e) => e != null ? DateUtils.dateOnly(e) : null).toList();
var valueText = (values.isNotEmpty ? values[0] : null)
.toString()
.replaceAll('00:00:00.000', '');
if (datePickerType == CalendarDatePicker2Type.multi) {
valueText = values.isNotEmpty
? values
.map((v) => v.toString().replaceAll('00:00:00.000', ''))
.join(', ')
: 'null';
} else if (datePickerType == CalendarDatePicker2Type.range) {
if (values.isNotEmpty) {
final startDate = values[0].toString().replaceAll('00:00:00.000', '');
final endDate = values.length > 1
? values[1].toString().replaceAll('00:00:00.000', '')
: 'null';
valueText = '$startDate to $endDate';
} else {
return 'null';
}
}
return valueText;
}
_buildCalendarDialogButton() {
const dayTextStyle =
TextStyle(color: Colors.black, fontWeight: FontWeight.w700);
final weekendTextStyle =
TextStyle(color: Colors.grey[500], fontWeight: FontWeight.w600);
final anniversaryTextStyle = TextStyle(
color: Colors.red[400],
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
);
final config = CalendarDatePicker2WithActionButtonsConfig(
calendarViewScrollPhysics: const NeverScrollableScrollPhysics(),
dayTextStyle: dayTextStyle,
calendarType: CalendarDatePicker2Type.range,
selectedDayHighlightColor: Colors.purple[800],
closeDialogOnCancelTapped: true,
firstDayOfWeek: 1,
weekdayLabelTextStyle: const TextStyle(
color: Colors.black87,
fontWeight: FontWeight.bold,
),
controlsTextStyle: const TextStyle(
color: Colors.black,
fontSize: 15,
fontWeight: FontWeight.bold,
),
centerAlignModePicker: true,
customModePickerIcon: const SizedBox(),
selectedDayTextStyle: dayTextStyle.copyWith(color: Colors.white),
dayTextStylePredicate: ({required date}) {
TextStyle? textStyle;
if (date.weekday == DateTime.saturday ||
date.weekday == DateTime.sunday) {
textStyle = weekendTextStyle;
}
if (DateUtils.isSameDay(date, DateTime(2021, 1, 25))) {
textStyle = anniversaryTextStyle;
}
return textStyle;
},
dayBuilder: ({
required date,
textStyle,
decoration,
isSelected,
isDisabled,
isToday,
}) {
Widget? dayWidget;
if (date.day % 3 == 0 && date.day % 9 != 0) {
dayWidget = Container(
decoration: decoration,
child: Center(
child: Stack(
alignment: AlignmentDirectional.center,
children: [
Text(
MaterialLocalizations.of(context).formatDecimal(date.day),
style: textStyle,
),
Padding(
padding: const EdgeInsets.only(top: 27.5),
child: Container(
height: 4,
width: 4,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(5),
color: isSelected == true
? Colors.white
: Colors.grey[500],
),
),
),
],
),
),
);
}
return dayWidget;
},
yearBuilder: ({
required year,
decoration,
isCurrentYear,
isDisabled,
isSelected,
textStyle,
}) {
return Center(
child: Container(
decoration: decoration,
height: 36,
width: 72,
child: Center(
child: Semantics(
selected: isSelected,
button: true,
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
year.toString(),
style: textStyle,
),
if (isCurrentYear == true)
Container(
padding: const EdgeInsets.all(5),
margin: const EdgeInsets.only(left: 5),
decoration: const BoxDecoration(
shape: BoxShape.circle,
color: Colors.redAccent,
),
),
],
),
),
),
),
);
},
);
return SizedBox(
width: 375,
child: Padding(
padding: const EdgeInsets.all(15),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
ElevatedButton(
onPressed: () async {
final values = await showCalendarDatePicker2Dialog(
context: context,
config: config,
dialogSize: const Size(325, 370),
borderRadius: BorderRadius.circular(15),
value: _dialogCalendarPickerValue,
dialogBackgroundColor: Colors.white,
);
if (values != null) {
// ignore: avoid_print
print(_getValueText(
config.calendarType,
values,
));
setState(() {
_dialogCalendarPickerValue = values;
});
}
},
child: const Text('Open Calendar Dialog'),
),
],
),
),
);
}
_buildScrollCalendarDialogButton() {
const dayTextStyle =
TextStyle(color: Colors.black, fontWeight: FontWeight.w700);
final weekendTextStyle =
TextStyle(color: Colors.grey[500], fontWeight: FontWeight.w600);
final anniversaryTextStyle = TextStyle(
color: Colors.red[400],
fontWeight: FontWeight.w700,
decoration: TextDecoration.underline,
);
final config = CalendarDatePicker2WithActionButtonsConfig(
calendarViewScrollPhysics: const NeverScrollableScrollPhysics(),
dayTextStyle: dayTextStyle,
calendarType: CalendarDatePicker2Type.range,
calendarViewMode: CalendarDatePicker2Mode.scroll,
hideScrollCalendarMonthWeekHeader: true,
scrollCalendarConstraints: const BoxConstraints(maxHeight: 800),
selectedDayHighlightColor: Colors.purple[800],
closeDialogOnCancelTapped: true,
firstDayOfWeek: 1,
weekdayLabelTextStyle: const TextStyle(
color: Colors.black87,
fontWeight: FontWeight.bold,
),
controlsTextStyle: const TextStyle(
color: Colors.black,
fontSize: 15,
fontWeight: FontWeight.bold,
),
centerAlignModePicker: true,
customModePickerIcon: const SizedBox(),
selectedDayTextStyle: dayTextStyle.copyWith(color: Colors.white),
dayTextStylePredicate: ({required date}) {
TextStyle? textStyle;
if (date.weekday == DateTime.saturday ||
date.weekday == DateTime.sunday) {
textStyle = weekendTextStyle;
}
if (DateUtils.isSameDay(date, DateTime(2021, 1, 25))) {
textStyle = anniversaryTextStyle;
}
return textStyle;
},
dayBuilder: ({
required date,
textStyle,
decoration,
isSelected,
isDisabled,
isToday,
}) {
Widget? dayWidget;
if (date.day % 3 == 0 && date.day % 9 != 0) {
dayWidget = Container(
decoration: decoration,
child: Center(
child: Stack(
alignment: AlignmentDirectional.center,
children: [
Text(
MaterialLocalizations.of(context).formatDecimal(date.day),
style: textStyle,
),
Padding(
padding: const EdgeInsets.only(top: 27.5),
child: Container(
height: 4,
width: 4,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(5),
color: isSelected == true
? Colors.white
: Colors.grey[500],
),
),
),
],
),
),
);
}
return dayWidget;
},
yearBuilder: ({
required year,
decoration,
isCurrentYear,
isDisabled,
isSelected,
textStyle,
}) {
return Center(
child: Container(
decoration: decoration,
height: 36,
width: 72,
child: Center(
child: Semantics(
selected: isSelected,
button: true,
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
year.toString(),
style: textStyle,
),
if (isCurrentYear == true)
Container(
padding: const EdgeInsets.all(5),
margin: const EdgeInsets.only(left: 5),
decoration: const BoxDecoration(
shape: BoxShape.circle,
color: Colors.redAccent,
),
),
],
),
),
),
),
);
},
);
return SizedBox(
width: 375,
child: Padding(
padding: const EdgeInsets.all(15),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
ElevatedButton(
onPressed: () async {
final values = await showCalendarDatePicker2Dialog(
context: context,
config: config,
dialogSize: const Size(325, 860),
borderRadius: BorderRadius.circular(15),
value: _dialogCalendarPickerValue,
dialogBackgroundColor: Colors.white,
);
if (values != null) {
// ignore: avoid_print
print(_getValueText(
config.calendarType,
values,
));
setState(() {
_dialogCalendarPickerValue = values;
});
}
},
child: const Text('Open Scroll Calendar Dialog'),
),
],
),
),
);
}
Widget _buildSingleDatePickerWithValue() {
final config = CalendarDatePicker2Config(
selectedDayHighlightColor: Colors.amber[900],
weekdayLabels: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
weekdayLabelTextStyle: const TextStyle(
color: Colors.black87,
fontWeight: FontWeight.bold,
),
firstDayOfWeek: 1,
controlsHeight: 50,
controlsTextStyle: const TextStyle(
color: Colors.black,
fontSize: 15,
fontWeight: FontWeight.bold,
),
dayTextStyle: const TextStyle(
color: Colors.amber,
fontWeight: FontWeight.bold,
),
disabledDayTextStyle: const TextStyle(
color: Colors.grey,
),
centerAlignModePicker: true,
useAbbrLabelForMonthModePicker: true,
firstDate: DateTime(DateTime.now().year - 2, DateTime.now().month - 1,
DateTime.now().day - 5),
lastDate: DateTime(DateTime.now().year + 3, DateTime.now().month + 2,
DateTime.now().day + 10),
selectableDayPredicate: (day) => !day
.difference(DateTime.now().subtract(const Duration(days: 3)))
.isNegative,
);
return SizedBox(
width: 375,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 10),
const Text('Single Date Picker'),
SizedBox(
width: 270,
child: CalendarDatePicker2(
config: config.copyWith(
dayMaxWidth: 32,
controlsHeight: 40,
),
value: _singleDatePickerValueWithDefaultValue,
onValueChanged: (dates) => setState(
() => _singleDatePickerValueWithDefaultValue = dates),
),
),
const SizedBox(height: 10),
Row(
mainAxisSize: MainAxisSize.min,
children: [
const Text('Selection(s): '),
const SizedBox(width: 10),
Text(
_getValueText(
config.calendarType,
_singleDatePickerValueWithDefaultValue,
),
),
],
),
const SizedBox(height: 25),
],
),
);
}
Widget _buildScrollSingleDatePickerWithValue() {
final config = CalendarDatePicker2Config(
calendarViewMode: CalendarDatePicker2Mode.scroll,
scrollCalendarConstraints: const BoxConstraints(maxHeight: 800),
selectedDayHighlightColor: Colors.amber[900],
weekdayLabels: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
weekdayLabelTextStyle: const TextStyle(
color: Colors.black87,
fontWeight: FontWeight.bold,
),
firstDayOfWeek: 1,
controlsHeight: 50,
controlsTextStyle: const TextStyle(
color: Colors.black,
fontSize: 15,
fontWeight: FontWeight.bold,
),
dayTextStyle: const TextStyle(
color: Colors.amber,
fontWeight: FontWeight.bold,
),
disabledDayTextStyle: const TextStyle(
color: Colors.grey,
),
centerAlignModePicker: true,
useAbbrLabelForMonthModePicker: true,
firstDate: DateTime(DateTime.now().year - 2, DateTime.now().month - 1,
DateTime.now().day - 5),
lastDate: DateTime(DateTime.now().year + 3, DateTime.now().month + 2,
DateTime.now().day + 10),
selectableDayPredicate: (day) => !day
.difference(DateTime.now().subtract(const Duration(days: 3)))
.isNegative,
);
return SizedBox(
width: 375,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 10),
const Text('Scroll Single Date Picker'),
SizedBox(
width: 270,
child: CalendarDatePicker2(
config: config.copyWith(
dayMaxWidth: 32,
controlsHeight: 40,
hideScrollCalendarTopHeader: true,
),
value: _singleDatePickerValueWithDefaultValue,
onValueChanged: (dates) => setState(
() => _singleDatePickerValueWithDefaultValue = dates),
),
),
const SizedBox(height: 10),
Row(
mainAxisSize: MainAxisSize.min,
children: [
const Text('Selection(s): '),
const SizedBox(width: 10),
Text(
_getValueText(
config.calendarType,
_singleDatePickerValueWithDefaultValue,
),
),
],
),
const SizedBox(height: 25),
],
),
);
}
Widget _buildMultiDatePickerWithValue() {
final config = CalendarDatePicker2Config(
disableMonthPicker: true,
calendarType: CalendarDatePicker2Type.multi,
selectedDayHighlightColor: Colors.indigo,
);
return SizedBox(
width: 375,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 10),
const Text('Multi Date Picker'),
CalendarDatePicker2(
config: config,
value: _multiDatePickerValueWithDefaultValue,
onValueChanged: (dates) =>
setState(() => _multiDatePickerValueWithDefaultValue = dates),
),
const SizedBox(height: 10),
Wrap(
children: [
const Text('Selection(s): '),
const SizedBox(width: 10),
Text(
_getValueText(
config.calendarType,
_multiDatePickerValueWithDefaultValue,
),
overflow: TextOverflow.ellipsis,
maxLines: 1,
softWrap: false,
),
],
),
const SizedBox(height: 25),
],
),
);
}
Widget _buildScrollMultiDatePickerWithValue() {
final config = CalendarDatePicker2Config(
disableMonthPicker: true,
calendarType: CalendarDatePicker2Type.multi,
calendarViewMode: CalendarDatePicker2Mode.scroll,
scrollCalendarConstraints: const BoxConstraints(maxHeight: 800),
selectedDayHighlightColor: Colors.indigo,
);
return SizedBox(
width: 375,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 10),
const Text('Scroll Multi Date Picker'),
CalendarDatePicker2(
config: config,
value: _multiDatePickerValueWithDefaultValue,
onValueChanged: (dates) =>
setState(() => _multiDatePickerValueWithDefaultValue = dates),
),
const SizedBox(height: 10),
Wrap(
children: [
const Text('Selection(s): '),
const SizedBox(width: 10),
Text(
_getValueText(
config.calendarType,
_multiDatePickerValueWithDefaultValue,
),
overflow: TextOverflow.ellipsis,
maxLines: 1,
softWrap: false,
),
],
),
const SizedBox(height: 25),
],
),
);
}
Widget _buildRangeDatePickerWithValue() {
final config = CalendarDatePicker2Config(
centerAlignModePicker: true,
calendarType: CalendarDatePicker2Type.range,
selectedDayHighlightColor: Colors.teal[800],
weekdayLabelTextStyle: const TextStyle(
color: Colors.black87,
fontWeight: FontWeight.bold,
),
controlsTextStyle: const TextStyle(
color: Colors.black,
fontSize: 15,
fontWeight: FontWeight.bold,
),
);
return SizedBox(
width: 375,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 10),
const Text('Range Date Picker'),
CalendarDatePicker2(
config: config,
value: _rangeDatePickerValueWithDefaultValue,
onValueChanged: (dates) =>
setState(() => _rangeDatePickerValueWithDefaultValue = dates),
),
const SizedBox(height: 10),
Row(
mainAxisSize: MainAxisSize.min,
children: [
const Text('Selection(s): '),
const SizedBox(width: 10),
Text(
_getValueText(
config.calendarType,
_rangeDatePickerValueWithDefaultValue,
),
),
],
),
const SizedBox(height: 25),
],
),
);
}
Widget _buildScrollRangeDatePickerWithValue() {
final config = CalendarDatePicker2Config(
centerAlignModePicker: true,
calendarType: CalendarDatePicker2Type.range,
calendarViewMode: CalendarDatePicker2Mode.scroll,
rangeBidirectional: true,
scrollCalendarConstraints: const BoxConstraints(maxHeight: 800),
selectedDayHighlightColor: Colors.teal[800],
weekdayLabelTextStyle: const TextStyle(
color: Colors.black87,
fontWeight: FontWeight.bold,
),
controlsTextStyle: const TextStyle(
color: Colors.black,
fontSize: 15,
fontWeight: FontWeight.bold,
),
);
return SizedBox(
width: 375,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 10),
const Text('Scroll Range Date Picker'),
CalendarDatePicker2(
config: config,
value: _rangeDatePickerValueWithDefaultValue,
onValueChanged: (dates) =>
setState(() => _rangeDatePickerValueWithDefaultValue = dates),
),
const SizedBox(height: 10),
Row(
mainAxisSize: MainAxisSize.min,
children: [
const Text('Selection(s): '),
const SizedBox(width: 10),
Text(
_getValueText(
config.calendarType,
_rangeDatePickerValueWithDefaultValue,
),
),
],
),
const SizedBox(height: 25),
],
),
);
}
Widget _buildCalendarWithActionButtons() {
final config = CalendarDatePicker2WithActionButtonsConfig(
calendarType: CalendarDatePicker2Type.range,
disableModePicker: true,
);
return SizedBox(
width: 375,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 10),
const Text('Date Picker With Action Buttons'),
CalendarDatePicker2WithActionButtons(
config: config,
value: _rangeDatePickerWithActionButtonsWithValue,
onValueChanged: (dates) => setState(
() => _rangeDatePickerWithActionButtonsWithValue = dates),
),
const SizedBox(height: 10),
Row(
mainAxisSize: MainAxisSize.min,
children: [
const Text('Selection(s): '),
const SizedBox(width: 10),
Flexible(
child: Text(
_getValueText(
config.calendarType,
_rangeDatePickerWithActionButtonsWithValue,
),
),
),
],
),
const SizedBox(height: 25),
],
),
);
}
Widget _buildScrollCalendarWithActionButtons() {
final config = CalendarDatePicker2WithActionButtonsConfig(
calendarType: CalendarDatePicker2Type.range,
calendarViewMode: CalendarDatePicker2Mode.scroll,
rangeBidirectional: true,
scrollCalendarConstraints: const BoxConstraints(maxHeight: 800),
scrollViewMonthYearBuilder: (monthDate) {
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
margin: const EdgeInsets.only(bottom: 5),
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 5),
decoration: BoxDecoration(
color: const Color.fromARGB(255, 11, 69, 117),
borderRadius: BorderRadius.circular(5),
),
child: Row(
children: [
Text(
getLocaleShortMonthFormat(const Locale('en'))
.format(monthDate),
style: const TextStyle(
color: Colors.white,
fontSize: 15,
fontWeight: FontWeight.w600,
),
),
const SizedBox(width: 5),
Text(
monthDate.year.toString(),
style: const TextStyle(
color: Colors.white,
fontSize: 15,
fontWeight: FontWeight.w600,
),
),
],
),
),
],
);
},
hideScrollCalendarMonthWeekHeader: true,
disableModePicker: true,
);
return SizedBox(
width: 375,
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
const SizedBox(height: 10),
const Text('Date Picker With Action Buttons'),
CalendarDatePicker2WithActionButtons(
config: config,
value: _rangeDatePickerWithActionButtonsWithValue,
onValueChanged: (dates) => setState(
() => _rangeDatePickerWithActionButtonsWithValue = dates),
),
const SizedBox(height: 10),
Row(
mainAxisSize: MainAxisSize.min,
children: [
const Text('Selection(s): '),
const SizedBox(width: 10),
Flexible(
child: Text(
_getValueText(
config.calendarType,
_rangeDatePickerWithActionButtonsWithValue,
),
),
),
],
),
const SizedBox(height: 25),
],
),
);
}
}