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locale_page.dart
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locale_page.dart
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import 'package:flutter/material.dart';
import 'package:flutter_mediator/mediator.dart';
//* Step1: import the var.dart
import '../var.dart';
class LocalePage extends StatelessWidget {
const LocalePage({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
//* Get the watched variable by tag:'tagCount' from `../main.dart`
final mainInt = globalGet(tag: 'tagCount');
return Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
const SizedBox(height: 50),
Text(
'Global Mode: Locale demo',
style: Theme.of(context).textTheme.headlineSmall,
),
const SizedBox(height: 25),
//* `globalConsume` the watched variable from `../main.dart`
globalConsume(
() => Text(
'You have pressed the button at the first page ${mainInt.value} times',
style: const TextStyle(fontSize: 16),
),
),
globalConsume(
() => Text(
'Data length at the second page ${data.value.length}',
style: const TextStyle(fontSize: 16),
),
),
globalConsume(
() => Text(
locstr,
style: const TextStyle(fontSize: 16),
),
),
globalConsumeAll(() {
final txt =
globalFrameAspects.isEmpty ? '' : 'Updated: $globalFrameAspects';
return Text(
txt,
style: const TextStyle(fontSize: 16),
);
}),
const SizedBox(height: 35),
Row(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: const [
RadioGroup(),
LocalePanel(),
],
),
],
);
}
}
class LocalePanel extends StatelessWidget {
const LocalePanel({Key? key}) : super(key: key);
Widget txt(BuildContext context, String name) {
return SizedBox(
width: 250,
child: Row(
children: [
//* Step3: Create a consumer widget with
//* `globalConsume` or `watchedVar.consume` to register the
//* watched variable to the host to rebuild it when updating.
locale.consume(() => Text('${'app.hello'.i18n(context)} ')),
Text('$name, '),
//* Or use the ci18n extension
'app.thanks'.ci18n(context),
],
),
);
}
@override
Widget build(BuildContext context) {
return Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
for (final name in names) txt(context, name),
],
);
}
}
class RadioGroup extends StatefulWidget {
const RadioGroup({
Key? key,
}) : super(key: key);
@override
_RadioGroupState createState() => _RadioGroupState();
}
class _RadioGroupState extends State<RadioGroup> {
final locales = ['en', 'fr', 'nl', 'de', 'it', 'jp', 'kr'];
final languages = [
'English',
'français',
'Dutch',
'Deutsch',
'Italiano',
'日本語',
'한국어',
];
_handleRadioValueChange1(Object? value) async {
await changeLocale(context, value! as String);
setState(() {});
}
@override
Widget build(BuildContext context) {
final _radioValue1 = locale.value;
Widget panel(int index) {
return Row(
mainAxisAlignment: MainAxisAlignment.start,
children: [
Radio(
value: locales[index],
groupValue: _radioValue1,
onChanged: _handleRadioValueChange1,
),
Text(
languages[index],
style: const TextStyle(fontSize: 16.0),
),
],
);
}
return SizedBox(
width: 130,
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: [
for (var i = 0; i < locales.length; i++) panel(i),
],
),
);
}
}
final names = [
'Aarron',
'Josh',
'Ibraheem',
'Rosemary',
'Clement',
'Kayleigh',
'Elisa',
'Pearl',
'Aneesah',
'Tom',
'Jordana',
'Taran',
'Bethan',
'Haydon',
'Olivia-Mae',
'Anam',
'Kelsie',
'Denise',
'Jenson',
'Piotr',
];