mirror of
https://gitlab.com/comunic/comunicmobile
synced 2024-11-25 06:19:22 +00:00
58 lines
1.6 KiB
Dart
58 lines
1.6 KiB
Dart
import 'dart:convert';
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import 'package:flutter/services.dart';
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import 'package:intl/date_symbol_data_local.dart';
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import 'package:intl/intl_standalone.dart';
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/// Internationalization utilities
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///
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/// @author Pierre HUBERT
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String? _currLang;
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late Map<String, Map<String, String>> translations;
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/// Initialize translations system
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///
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/// This method currently fetch the current user language
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Future<void> initTranslations() async {
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_currLang = await findSystemLocale();
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await initializeDateFormatting(_currLang, null);
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// Load the list of translations
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final list = Map<String, String>.from(
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jsonDecode(await rootBundle.loadString("assets/langs.json")));
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translations = new Map();
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for (final entry in list.entries) {
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translations[entry.key] = Map<String, String>.from(jsonDecode(
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await rootBundle.loadString("assets/langs/${entry.value}.json")));
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}
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}
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/// Translate a string
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///
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/// Translate a given [string] into the current language, if available
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///
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/// Then apply the list of [args] to the string, each argument name is
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/// surrounded by '%'
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String? tr(String? string, {Map<String, String?>? args}) {
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// Check if a translation is available
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if (_currLang != null &&
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translations.containsKey(_currLang) &&
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translations[_currLang!]!.containsKey(string))
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string = translations[_currLang!]![string!];
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//Apply arguments
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if (args != null)
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args.forEach((key, value) => string = string!.replaceAll("%$key%", value!));
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return string;
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}
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/// Get current lang, in format aa_BB
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String get lang => _currLang != null ? _currLang! : "en_US";
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/// Get short lang format, in format aa
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String get shortLang => lang.split("_")[0];
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