flutter_khmer_chankitec 0.0.8
flutter_khmer_chankitec: ^0.0.8 copied to clipboard
A Flutter plugin for Khmer lunar calendar (Chhankitek/ចន្ទគតិ) calculations. Convert Gregorian dates to Khmer lunar dates with full support for Buddhist calendar features including Sila days detection.
example/lib/main.dart
import 'package:flutter/material.dart';
import 'package:flutter_khmer_chankitec/flutter_khmer_chankitec.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Flutter Khmer Chankitec Demo',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true,
),
home: const MyHomePage(title: 'Khmer Lunar Calendar Demo'),
);
}
}
class MyHomePage extends StatefulWidget {
const MyHomePage({super.key, required this.title});
final String title;
@override
State<MyHomePage> createState() => _MyHomePageState();
}
class _MyHomePageState extends State<MyHomePage> {
late KhmerLunarDate _lunarDate;
@override
void initState() {
super.initState();
// Get current date in Khmer lunar calendar
_lunarDate = Chhankitek.now();
}
void _refreshDate() {
setState(() {
_lunarDate = Chhankitek.now();
});
}
@override
Widget build(BuildContext context) {
final now = DateTime.now();
return Scaffold(
appBar: AppBar(
backgroundColor: Theme.of(context).colorScheme.inversePrimary,
title: Text(widget.title),
),
body: Center(
child: SingleChildScrollView(
padding: const EdgeInsets.all(20.0),
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
const Text(
'Today\'s Date',
style: TextStyle(fontSize: 28, fontWeight: FontWeight.bold),
),
const SizedBox(height: 30),
// Gregorian Date
Card(
elevation: 4,
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
children: [
const Text(
'Gregorian Calendar',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
),
),
const SizedBox(height: 10),
Text(
'${now.day}/${now.month}/${now.year}',
style: const TextStyle(fontSize: 24),
),
],
),
),
),
const SizedBox(height: 20),
// Khmer Lunar Date
Card(
elevation: 4,
color: Colors.deepPurple.shade50,
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
children: [
Text(
'Khmer Lunar Calendar',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Colors.deepPurple.shade700,
),
),
const SizedBox(height: 15),
Column(
children: [
Text(
_lunarDate.toString(),
style: const TextStyle(fontSize: 16),
textAlign: TextAlign.center,
),
const SizedBox(height: 10),
/// display shortLunarDay with space
Text(
'With space: ${Chhankitek.fromDate(DateTime(now.year, now.month, now.day)).shortLunarDay}',
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
textAlign: TextAlign.center,
),
/// display shortLunarDay compact (no space)
Text(
'Compact: ${Chhankitek.fromDate(DateTime(now.year, now.month, now.day)).shortLunarDayCompact}',
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.bold,
),
textAlign: TextAlign.center,
),
],
),
const SizedBox(height: 15),
if (_lunarDate.isSilaDay)
Container(
padding: const EdgeInsets.symmetric(
horizontal: 12,
vertical: 6,
),
decoration: BoxDecoration(
color: Colors.orange.shade100,
borderRadius: BorderRadius.circular(20),
border: Border.all(color: Colors.orange.shade700),
),
child: Text(
'ថ្ងៃសីល (Sila Day)',
style: TextStyle(
color: Colors.orange.shade900,
fontWeight: FontWeight.bold,
),
),
),
],
),
),
),
const SizedBox(height: 20),
// Lunar Date Details
Card(
elevation: 4,
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'Lunar Date Details',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
),
),
const Divider(height: 20),
_buildDetailRow('Day of Week:', _lunarDate.dayOfWeek),
_buildDetailRow('Lunar Day:', '${_lunarDate.lunarDay}'),
_buildDetailRow('Lunar Month:', _lunarDate.lunarMonth),
_buildDetailRow('Lunar Zodiac:', _lunarDate.lunarZodiac),
_buildDetailRow('Lunar Era:', _lunarDate.lunarEra),
_buildDetailRow('Lunar Year:', _lunarDate.lunarYear),
const Divider(height: 20),
_buildDetailRow('Solar Day:', _lunarDate.solarDay),
_buildDetailRow('Solar Month:', _lunarDate.solarMonth),
_buildDetailRow('Solar Year:', _lunarDate.solarYear),
],
),
),
),
const SizedBox(height: 20),
// Special Days Info
Card(
elevation: 4,
color: Colors.amber.shade50,
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
children: [
const Text(
'Special Day Checks',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
),
),
const Divider(height: 20),
_buildSpecialDayRow(
'Sila Day (ថ្ងៃសីល)',
_lunarDate.isSilaDay,
),
_buildSpecialDayRow(
'Full Moon (ថ្ងៃពេញបូណ៌មី)',
_lunarDate.isFullMoon,
),
_buildSpecialDayRow(
'New Moon (ថ្ងៃបាតមាស)',
_lunarDate.isNewMoon,
),
],
),
),
),
const SizedBox(height: 20),
// Number Conversion Example
Card(
elevation: 4,
color: Colors.green.shade50,
child: Padding(
padding: const EdgeInsets.all(20.0),
child: Column(
children: [
const Text(
'Number Conversion',
style: TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
),
),
const Divider(height: 20),
_buildDetailRow(
'Number 2024:',
KhmerNumberUtils.toKhmerNumber(2024),
),
_buildDetailRow(
'Number 12345:',
KhmerNumberUtils.toKhmerNumber(12345),
),
_buildDetailRow(
'Current Year:',
KhmerNumberUtils.toKhmerNumber(now.year),
),
_buildDetailRow(
'Current Day:',
KhmerNumberUtils.toKhmerNumber(now.day),
),
],
),
),
),
const SizedBox(height: 30),
ElevatedButton.icon(
onPressed: _refreshDate,
icon: const Icon(Icons.refresh),
label: const Text('Refresh'),
style: ElevatedButton.styleFrom(
padding: const EdgeInsets.symmetric(
horizontal: 30,
vertical: 15,
),
),
),
],
),
),
),
);
}
Widget _buildDetailRow(String label, String value) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 4.0),
child: Row(
children: [
Expanded(
flex: 2,
child: Text(
label,
style: const TextStyle(fontWeight: FontWeight.w500),
),
),
Expanded(
flex: 3,
child: Text(value, style: const TextStyle(color: Colors.blue)),
),
],
),
);
}
Widget _buildSpecialDayRow(String label, bool isSpecial) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 6.0),
child: Row(
children: [
Expanded(
child: Text(
label,
style: const TextStyle(fontWeight: FontWeight.w500),
),
),
Icon(
isSpecial ? Icons.check_circle : Icons.cancel,
color: isSpecial ? Colors.green : Colors.grey,
size: 24,
),
],
),
);
}
}