80 lines
2.1 KiB
Dart
80 lines
2.1 KiB
Dart
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:get/get.dart';
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import 'package:encrypt_shared_preferences/provider.dart';
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const Map<String, Locale> supportedLocales = {
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'en_US': Locale('en', 'US'),
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'de_DE': Locale('de', 'DE'),
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'fr_FR': Locale('fr', 'FR'),
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'nl_NL': Locale('nl', 'NL'),
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};
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class MyTranslations extends Translations {
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static final MyTranslations instance = MyTranslations._internal();
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MyTranslations._internal();
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static final Map<String, Map<String, String>> _translations = {};
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static Future<void> loadTranslations() async {
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for (final localeKey in supportedLocales.keys) {
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try {
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final String jsonString = await rootBundle.loadString(
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'assets/i18n/$localeKey.json',
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);
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final Map<String, dynamic> jsonMap = json.decode(jsonString);
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_translations[localeKey] = jsonMap.map(
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(key, value) => MapEntry(key, value.toString()),
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);
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} catch (e) {
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debugPrint('Konnte Übersetzung für $localeKey nicht laden: $e');
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}
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}
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}
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@override
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Map<String, Map<String, String>> get keys => _translations;
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}
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class LocalizationController extends GetxController {
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final EncryptedSharedPreferencesAsync storage =
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EncryptedSharedPreferencesAsync.getInstance();
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Rx<Locale> currentLocale = supportedLocales['en_US']!.obs;
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@override
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void onInit() {
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super.onInit();
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loadLocale();
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}
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Future<void> loadLocale() async {
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String? savedLocaleKey = await storage.getString(
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'locale',
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defaultValue: 'en_US',
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);
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final Locale locale =
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supportedLocales[savedLocaleKey ?? 'en_US'] ??
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supportedLocales['en_US']!;
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currentLocale.value = locale;
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Get.locale = locale;
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}
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Future<void> changeLocale(Locale newLocale) async {
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final String localeKey = supportedLocales.entries
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.firstWhere(
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(entry) => entry.value == newLocale,
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orElse: () => supportedLocales.entries.first,
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)
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.key;
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currentLocale.value = newLocale;
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Get.updateLocale(newLocale);
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await storage.setString('locale', localeKey);
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}
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}
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