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422 lines
14 KiB
422 lines
14 KiB
import 'package:flutter/material.dart';
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import 'package:get/get.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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import '../controllers/translation_controller.dart';
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import '../views/translation_history_view.dart';
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import '../bindings/translation_history_binding.dart';
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import '../../../core/theme/app_colors.dart';
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// import 'package:intl/intl.dart';
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class TranslationView extends GetView<TranslationController> {
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const TranslationView({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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final isDarkMode = Theme.of(context).brightness == Brightness.dark;
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return Scaffold(
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backgroundColor: isDarkMode ? AppColors.darkBackground : Colors.grey[50],
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appBar: _buildAppBar(isDarkMode),
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body: _buildBody(isDarkMode),
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);
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}
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PreferredSizeWidget _buildAppBar(bool isDarkMode) {
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return AppBar(
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backgroundColor: isDarkMode ? AppColors.cardBackground : Colors.white,
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elevation: 0,
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leading: IconButton(
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icon: Icon(
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Icons.arrow_back_ios,
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color: isDarkMode ? Colors.white : Colors.black,
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size: 20.sp,
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),
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onPressed: () {
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// Stop recognition and TTS before navigating back
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controller.stopAll();
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Get.back();
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},
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),
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title: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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// 源语言选择
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Flexible(
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child: GestureDetector(
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onTap: () => _showLanguageSelectionDialog(true, isDarkMode),
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child: Container(
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padding: EdgeInsets.symmetric(horizontal: 8.w, vertical: 4.h),
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decoration: BoxDecoration(
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color: isDarkMode
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? Colors.white.withOpacity(0.1)
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: Colors.grey[100],
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borderRadius: BorderRadius.circular(16.r),
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),
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child: Obx(() => Text(
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controller.sourceLanguage.value
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.split(' ')[0], // Just show the Chinese part
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style: TextStyle(
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fontSize: 16.sp,
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fontWeight: FontWeight.w600,
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color: isDarkMode ? Colors.white : Colors.black,
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),
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overflow: TextOverflow.ellipsis,
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)),
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),
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),
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),
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// 语言互换按钮
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GestureDetector(
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onTap: controller.swapLanguages,
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child: Container(
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margin: EdgeInsets.symmetric(horizontal: 8.w),
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padding: EdgeInsets.all(4.r),
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decoration: BoxDecoration(
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color: isDarkMode
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? AppColors.primary.withOpacity(0.2)
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: Colors.blue[50],
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shape: BoxShape.circle,
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),
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child: Icon(
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Icons.swap_horiz,
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color: isDarkMode ? AppColors.primary : Colors.blue,
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size: 20.sp,
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),
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),
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),
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// 目标语言选择
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Flexible(
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child: GestureDetector(
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onTap: () => _showLanguageSelectionDialog(false, isDarkMode),
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child: Container(
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padding: EdgeInsets.symmetric(horizontal: 8.w, vertical: 4.h),
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decoration: BoxDecoration(
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color: isDarkMode
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? Colors.white.withOpacity(0.1)
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: Colors.grey[100],
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borderRadius: BorderRadius.circular(16.r),
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),
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child: Obx(() => Text(
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controller.targetLanguage.value
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.split(' ')[0], // Just show the English part
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style: TextStyle(
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fontSize: 16.sp,
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fontWeight: FontWeight.w600,
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color: isDarkMode ? Colors.white : Colors.black,
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),
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overflow: TextOverflow.ellipsis,
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)),
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),
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),
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),
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],
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),
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centerTitle: true,
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actions: [
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// TTS toggle button
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Obx(() => IconButton(
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icon: Icon(
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controller.isTtsEnabled.value
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? Icons.volume_up
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: Icons.volume_off,
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color: isDarkMode ? Colors.white : Colors.black,
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size: 24.sp,
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),
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onPressed: controller.toggleTts,
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tooltip: '自动播放翻译结果',
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)),
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// 历史记录按钮
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IconButton(
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icon: Icon(
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Icons.history,
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color: isDarkMode ? Colors.white : Colors.black,
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size: 24.sp,
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),
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onPressed: () async {
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// 停止语音识别和TTS，释放资源
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await controller.stopAll();
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await Get.to(
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() => const TranslationHistoryView(),
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binding: TranslationHistoryBinding(),
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);
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// 返回时不自动开始翻译，只需重新设置滚动监听器
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controller.setupScrollListener();
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},
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tooltip: '查看历史记录',
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),
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],
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);
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}
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Widget _buildBody(bool isDarkMode) {
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return Column(
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children: [
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Expanded(
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child: _buildTranslationContent(isDarkMode),
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),
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_buildControlBar(isDarkMode),
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],
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);
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}
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Widget _buildTranslationContent(bool isDarkMode) {
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return Obx(() {
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final itemCount = controller.translationHistory.length;
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return ListView.builder(
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controller: controller.scrollController,
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padding: EdgeInsets.only(
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left: 16.w,
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right: 16.w,
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top: 16.h,
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bottom: 16.h,
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),
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itemCount: itemCount,
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itemBuilder: (context, index) {
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// 获取当前项
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final historyItem = controller.translationHistory[index];
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// 构建项目widget
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return _buildTranslationItemWidget(context, historyItem);
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},
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);
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});
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}
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Widget _buildTranslationItemWidget(
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BuildContext context, TranslationItem item) {
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return Container(
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margin: const EdgeInsets.only(bottom: 8),
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: item.isIntermediate
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? Colors.grey.withOpacity(0.1) // 中间结果使用浅灰色底色
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: (item.sourceLanguageCode == controller.sourceLanguageCode.value
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? Theme.of(context)
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.colorScheme
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.primary
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.withOpacity(0.08) // 源语言匹配时使用主题色底色
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: Theme.of(context)
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.colorScheme
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.secondary
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.withOpacity(0.08)), // 否则使用次要色底色
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borderRadius: BorderRadius.circular(12),
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border: Border.all(
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color: item.isIntermediate
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? Colors.grey.withOpacity(0.2)
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: Colors.transparent,
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width: 1,
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),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 源文本
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Text(
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item.sourceText,
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style: TextStyle(
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fontSize: 16,
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color: Theme.of(context).textTheme.bodyLarge?.color,
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),
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),
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if (item.translatedText.isNotEmpty) ...[
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const SizedBox(height: 8),
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// 翻译文本
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Text(
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item.translatedText,
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style: TextStyle(
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fontSize: 16,
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color: Theme.of(context).textTheme.bodyMedium?.color,
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fontWeight: FontWeight.w500,
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),
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),
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],
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// 语言信息和时间戳
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const SizedBox(height: 4),
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Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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children: [
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Text(
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'${item.sourceLanguageName} → ${item.targetLanguageName}',
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style: TextStyle(
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fontSize: 12,
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color: Theme.of(context).textTheme.bodySmall?.color,
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),
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),
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if (!item.isIntermediate)
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GestureDetector(
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onTap: () => controller.playTranslationItem(item),
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child: Icon(
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Icons.volume_up,
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size: 18,
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color: Theme.of(context).colorScheme.primary,
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),
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),
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],
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),
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],
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),
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);
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}
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Widget _buildControlBar(bool isDarkMode) {
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// 使用GlobalKey来获取控制栏的高度
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final controlBarKey = GlobalKey();
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// 在构建完成后获取控制栏的高度并设置到控制器中
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (controlBarKey.currentContext != null) {
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final RenderBox renderBox =
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controlBarKey.currentContext!.findRenderObject() as RenderBox;
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final height = renderBox.size.height;
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controller.setBottomBarHeight(height);
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}
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});
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return Container(
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key: controlBarKey,
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padding: EdgeInsets.symmetric(horizontal: 16.w, vertical: 16.h),
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decoration: BoxDecoration(
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color: isDarkMode ? AppColors.cardBackground : Colors.white,
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boxShadow: [
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BoxShadow(
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color: Colors.black.withAlpha(isDarkMode ? 30 : 13),
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blurRadius: 4,
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offset: const Offset(0, -2),
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),
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],
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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// 主要控制按钮 - 开始/暂停语音识别
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Obx(() {
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final isRecognizing = controller.isRecognizing.value;
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return GestureDetector(
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onTap: () {
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if (isRecognizing) {
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controller.stopAll();
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} else {
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controller.startRecognition();
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}
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},
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child: Container(
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width: 60.w,
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height: 60.w,
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decoration: BoxDecoration(
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color: isRecognizing
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? (isDarkMode ? Colors.red[700] : Colors.red)
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: (isDarkMode ? AppColors.primary : Colors.blue),
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shape: BoxShape.circle,
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),
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child: Icon(
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isRecognizing ? Icons.pause : Icons.play_arrow,
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color: Colors.white,
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size: 30.sp,
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),
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),
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);
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}),
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],
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),
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);
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}
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// 显示语言选择对话框
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void _showLanguageSelectionDialog(bool isSource, bool isDarkMode) {
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Get.dialog(
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Dialog(
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(24.r),
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),
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insetPadding: EdgeInsets.symmetric(horizontal: 20.w),
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backgroundColor: isDarkMode ? AppColors.cardBackground : Colors.white,
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child: Container(
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width: 0.9.sw,
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padding: EdgeInsets.only(top: 32.h, bottom: 16.h),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Padding(
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padding: EdgeInsets.symmetric(horizontal: 24.w),
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child: Text(
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isSource
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? 'selectSourceLanguage'.tr // 选择源语言
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: 'selectTargetLanguage'.tr, // 选择目标语言
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style: TextStyle(
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fontSize: 20.sp,
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fontWeight: FontWeight.bold,
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color: isDarkMode ? Colors.white : Colors.black,
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),
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),
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),
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SizedBox(height: 16.h),
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Container(
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constraints: BoxConstraints(maxHeight: 0.5.sh),
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child: SingleChildScrollView(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children:
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controller.supportedLanguages.keys.map((language) {
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return ListTile(
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title: Text(
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language,
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style: TextStyle(
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color: isDarkMode ? Colors.white : Colors.black,
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),
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),
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trailing: Obx(() {
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final currentLanguage = isSource
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? controller.sourceLanguage.value
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: controller.targetLanguage.value;
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return currentLanguage == language
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? Icon(
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Icons.check_circle,
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color: isDarkMode
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? AppColors.primary
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: Colors.blue,
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)
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: const SizedBox.shrink();
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}),
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onTap: () {
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if (isSource) {
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controller.setSourceLanguage(language);
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} else {
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controller.setTargetLanguage(language);
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}
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Get.back();
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},
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);
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}).toList(),
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),
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),
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),
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SizedBox(height: 16.h),
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Align(
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alignment: Alignment.centerRight,
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child: Padding(
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padding: EdgeInsets.only(right: 24.w),
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child: TextButton(
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onPressed: () => Get.back(),
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child: Text(
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'cancel'.tr, // 取消
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style: TextStyle(
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color: isDarkMode ? AppColors.primary : Colors.blue,
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fontSize: 16.sp,
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),
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),
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),
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),
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),
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],
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),
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),
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),
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);
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}
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}
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