225 lines
7.0 KiB
Dart
225 lines
7.0 KiB
Dart
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import 'package:flutter/material.dart';
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import '../models/speaking_scenario.dart';
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class SpeakingTaskCard extends StatelessWidget {
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final SpeakingTask task;
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final VoidCallback? onTap;
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final VoidCallback? onFavorite;
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const SpeakingTaskCard({
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super.key,
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required this.task,
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this.onTap,
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this.onFavorite,
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});
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@override
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Widget build(BuildContext context) {
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return Card(
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elevation: 2,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12),
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),
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child: InkWell(
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onTap: onTap,
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borderRadius: BorderRadius.circular(12),
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child: Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 标题和收藏按钮
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Row(
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children: [
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Expanded(
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child: Text(
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task.title,
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.bold,
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),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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),
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IconButton(
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icon: Icon(
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task.isFavorite ? Icons.favorite : Icons.favorite_border,
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color: task.isFavorite ? Colors.red : Colors.grey,
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),
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onPressed: onFavorite,
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tooltip: task.isFavorite ? '取消收藏' : '收藏',
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),
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],
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),
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const SizedBox(height: 8),
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// 描述
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Text(
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task.description,
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style: Theme.of(context).textTheme.bodyMedium?.copyWith(
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color: Colors.grey[600],
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),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 12),
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// 标签行
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Row(
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children: [
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// 场景标签
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_buildTag(
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context,
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task.scenario.displayName,
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Colors.blue,
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),
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const SizedBox(width: 8),
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// 难度标签
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_buildTag(
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context,
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task.difficulty.displayName,
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_getDifficultyColor(task.difficulty),
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),
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const Spacer(),
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// 推荐标签
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if (task.isRecommended)
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Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 8,
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vertical: 4,
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),
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decoration: BoxDecoration(
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color: Colors.orange.withOpacity(0.1),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(
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color: Colors.orange.withOpacity(0.3),
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),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.star,
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size: 12,
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color: Colors.orange[700],
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),
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const SizedBox(width: 4),
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Text(
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'推荐',
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style: TextStyle(
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fontSize: 10,
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color: Colors.orange[700],
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fontWeight: FontWeight.w500,
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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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const SizedBox(height: 12),
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// 底部信息
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Row(
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children: [
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Icon(
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Icons.access_time,
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size: 16,
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color: Colors.grey[500],
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),
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const SizedBox(width: 4),
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Text(
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'${task.estimatedDuration}分钟',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Colors.grey[600],
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),
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),
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const SizedBox(width: 16),
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Icon(
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Icons.people_outline,
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size: 16,
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color: Colors.grey[500],
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),
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const SizedBox(width: 4),
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Text(
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'${task.completionCount}人完成',
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style: Theme.of(context).textTheme.bodySmall?.copyWith(
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color: Colors.grey[600],
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),
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),
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const Spacer(),
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// 开始按钮
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ElevatedButton(
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onPressed: onTap,
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.symmetric(
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horizontal: 16,
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vertical: 8,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(20),
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),
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),
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child: const Text(
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'开始练习',
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style: TextStyle(fontSize: 12),
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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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Widget _buildTag(BuildContext context, String text, Color color) {
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return Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 8,
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vertical: 4,
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),
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decoration: BoxDecoration(
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color: color.withOpacity(0.1),
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borderRadius: BorderRadius.circular(12),
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border: Border.all(
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color: color.withOpacity(0.3),
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),
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),
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child: Text(
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text,
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style: TextStyle(
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fontSize: 10,
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color: color,
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fontWeight: FontWeight.w500,
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),
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),
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);
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}
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Color _getDifficultyColor(SpeakingDifficulty difficulty) {
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switch (difficulty) {
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case SpeakingDifficulty.beginner:
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return Colors.green;
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case SpeakingDifficulty.elementary:
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return Colors.lightGreen;
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case SpeakingDifficulty.intermediate:
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return Colors.orange;
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case SpeakingDifficulty.upperIntermediate:
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return Colors.deepOrange;
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case SpeakingDifficulty.advanced:
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return Colors.red;
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}
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}
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}
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