96 lines
3.1 KiB
Dart
96 lines
3.1 KiB
Dart
import 'dart:convert';
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import 'package:ef/ef.dart';
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import 'package:flutter/services.dart';
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import 'package:json_annotation/json_annotation.dart';
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import 'package:path/path.dart' as path;
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import 'package:vbvs_app/language/AppLanguage.dart';
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part 'language_controller.g.dart'; // 由json_serializable自动生成的部分
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@JsonSerializable()
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class LanguageModel {
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String? filename; // 语言文件名称
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String? language_name; // 语言名称
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bool? selected; // 是否选中
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String? language_code;//语言简称
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LanguageModel();
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factory LanguageModel.fromJson(Map<String, dynamic> json) {
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try {
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return _$LanguageModelFromJson(json);
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} catch (e) {
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return LanguageModel(); // 或者返回一个带有错误信息的特定实例
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}
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}
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Map<String, dynamic> toJson() => _$LanguageModelToJson(this);
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}
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class LanguageController extends GetControllerEx<LanguageModel> {
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LanguageController() {
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attr = GetModel(LanguageModel()).obs;
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}
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RxList languageList = [].obs;
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var selectLanguage = Rx<LanguageModel?>(null);
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Future<void> initLanuageList() async {
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try {
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String currentLanguageCode = AppLanguage().getCurrentLanguageCode();
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languageList.clear(); // 清空现有列表
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// 1. 获取 assets/langs/ 目录下所有 .json 文件
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final manifestContent = await rootBundle.loadString('AssetManifest.json');
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final Map<String, dynamic> manifestMap = json.decode(manifestContent);
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// 筛选出 langs 目录下的 .json 文件
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final langFiles = manifestMap.keys
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.where((String key) =>
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key.startsWith('assets/langs/') && key.endsWith('.json'))
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.toList();
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// 2. 遍历所有语言文件
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for (final filePath in langFiles) {
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try {
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// 加载 JSON 文件内容
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final jsonString = await rootBundle.loadString(filePath);
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final jsonMap = json.decode(jsonString);
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// 提取语言名称（假设 JSON 文件中有 "语言名称" 字段）
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final languageName = jsonMap['语言名称'] as String? ??
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path.basenameWithoutExtension(filePath);
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// 3. 构造 LanguageModel 并添加到列表
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final languageModel = LanguageModel()
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..filename = path.basename(filePath) // 如 "zh-CN.json"
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..language_name = languageName // 如 "简体中文"
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..selected =
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(path.basename(filePath) == '$currentLanguageCode.json')
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..language_code =
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path.basenameWithoutExtension(filePath); // 如 "zh-CN"
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if (languageModel.selected == true) {
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selectLanguage.value = languageModel;
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}
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languageList.add(languageModel);
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} catch (e) {
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print('加载语言文件失败: $filePath, 错误: $e');
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}
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}
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print("object");
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} catch (e) {
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print('初始化语言列表失败: $e');
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// 可选：添加默认语言（如英文）作为后备
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languageList.add(
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LanguageModel()
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..filename = 'en-US.json'
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..language_name = 'English'
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..selected = true, // 默认语言为选中状态
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);
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}
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}
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}
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