generated from dellevin/template
305 lines
9.7 KiB
Dart
305 lines
9.7 KiB
Dart
import 'dart:io';
|
||
import 'package:flutter/material.dart';
|
||
import 'package:provider/provider.dart';
|
||
import '../providers/app_provider.dart';
|
||
import '../models/data_models.dart';
|
||
import '../utils/toast_util.dart';
|
||
|
||
/// 笔记列表项组件 - 极简主义设计
|
||
class NoteListItem extends StatelessWidget {
|
||
final Note note;
|
||
|
||
const NoteListItem({super.key, required this.note});
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
// 使用 RepaintBoundary 减少重绘
|
||
return RepaintBoundary(
|
||
child: _NoteListItemContent(note: note),
|
||
);
|
||
}
|
||
}
|
||
|
||
/// 笔记列表项内容 - 分离出来便于优化
|
||
class _NoteListItemContent extends StatelessWidget {
|
||
final Note note;
|
||
|
||
const _NoteListItemContent({required this.note});
|
||
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
return InkWell(
|
||
onTap: () {
|
||
Navigator.pushNamed(context, '/note-detail', arguments: note).then((_) async {
|
||
// 返回时刷新笔记列表
|
||
await context.read<AppProvider>().loadNotes();
|
||
});
|
||
},
|
||
onLongPress: () => _showDeleteDialog(context),
|
||
child: Container(
|
||
margin: const EdgeInsets.only(bottom: 8),
|
||
padding: const EdgeInsets.fromLTRB(12, 10, 12, 10),
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFFFAFAFA),
|
||
borderRadius: BorderRadius.circular(8),
|
||
border: Border.all(color: const Color(0xFFE8E8E8), width: 0.5),
|
||
),
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
// 顶部：时间 + MD标记
|
||
Row(
|
||
children: [
|
||
// 时间
|
||
Text(
|
||
_formatDateCached(note.updatedAt),
|
||
style: const TextStyle(
|
||
fontSize: 11,
|
||
color: Color(0xFF999999),
|
||
),
|
||
),
|
||
const SizedBox(width: 8),
|
||
// MD标记
|
||
Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 1),
|
||
decoration: BoxDecoration(
|
||
color: Colors.white,
|
||
borderRadius: BorderRadius.circular(3),
|
||
border: Border.all(color: const Color(0xFFE8E8E8), width: 0.5),
|
||
),
|
||
child: const Text(
|
||
'MD',
|
||
style: TextStyle(
|
||
fontSize: 9,
|
||
fontWeight: FontWeight.w600,
|
||
color: Color(0xFF999999),
|
||
),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
|
||
const SizedBox(height: 6),
|
||
|
||
// 标题
|
||
if (note.title.isNotEmpty) ...[
|
||
Text(
|
||
note.title,
|
||
style: const TextStyle(
|
||
fontSize: 15,
|
||
fontWeight: FontWeight.w600,
|
||
color: Color(0xFF1A1A1A),
|
||
height: 1.4,
|
||
),
|
||
maxLines: 1,
|
||
overflow: TextOverflow.ellipsis,
|
||
),
|
||
const SizedBox(height: 4),
|
||
],
|
||
|
||
// 内容摘要（去除Markdown标记），内容为空则不显示
|
||
if (_collapseBlankLines(_cleanMarkdown(note.content).trim()).isNotEmpty)
|
||
Text(
|
||
_collapseBlankLines(_cleanMarkdown(note.content).trim()),
|
||
style: const TextStyle(
|
||
fontSize: 13,
|
||
color: Color(0xFF666666),
|
||
height: 1.5,
|
||
),
|
||
maxLines: 2,
|
||
overflow: TextOverflow.ellipsis,
|
||
),
|
||
|
||
// 底部标签
|
||
if (note.tags.isNotEmpty) ...[
|
||
const SizedBox(height: 6),
|
||
Wrap(
|
||
spacing: 6,
|
||
runSpacing: 4,
|
||
children: note.tags.map((tag) {
|
||
return Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 7, vertical: 2),
|
||
decoration: BoxDecoration(
|
||
color: Colors.white,
|
||
borderRadius: BorderRadius.circular(4),
|
||
border: Border.all(color: const Color(0xFFE8E8E8), width: 0.5),
|
||
),
|
||
child: Text(
|
||
tag,
|
||
style: const TextStyle(
|
||
fontSize: 11,
|
||
color: Color(0xFF666666),
|
||
),
|
||
),
|
||
);
|
||
}).toList(),
|
||
),
|
||
],
|
||
|
||
// 图片预览
|
||
if (note.images.isNotEmpty) ...[
|
||
const SizedBox(height: 8),
|
||
_buildImagePreviewRow(),
|
||
],
|
||
],
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
/// 图片预览行
|
||
Widget _buildImagePreviewRow() {
|
||
final images = note.images;
|
||
final count = images.length.clamp(0, 3);
|
||
return Row(
|
||
children: [
|
||
for (int i = 0; i < count; i++)
|
||
Container(
|
||
width: 48,
|
||
height: 48,
|
||
margin: const EdgeInsets.only(right: 6),
|
||
decoration: BoxDecoration(
|
||
borderRadius: BorderRadius.circular(6),
|
||
border: Border.all(color: const Color(0xFFE8E8E8), width: 0.5),
|
||
),
|
||
clipBehavior: Clip.antiAlias,
|
||
child: Image.file(
|
||
File(images[i]),
|
||
fit: BoxFit.cover,
|
||
errorBuilder: (_, __, ___) => Container(
|
||
color: const Color(0xFFF5F5F5),
|
||
),
|
||
),
|
||
),
|
||
if (images.length > 3)
|
||
Container(
|
||
width: 48,
|
||
height: 48,
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFFF5F5F5),
|
||
borderRadius: BorderRadius.circular(6),
|
||
),
|
||
child: Center(
|
||
child: Text(
|
||
'+${images.length - 3}',
|
||
style: const TextStyle(fontSize: 12, color: Color(0xFF999999), fontWeight: FontWeight.w500),
|
||
),
|
||
),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
/// 清理 Markdown 标记，提取纯文本
|
||
String _cleanMarkdown(String text) {
|
||
return text
|
||
.replaceAll(RegExp(r'^#+\s+', multiLine: true), '') // 标题
|
||
.replaceAll(RegExp(r'\*\*(.+?)\*\*'), r'$1') // 粗体
|
||
.replaceAll(RegExp(r'\*(.+?)\*'), r'$1') // 斜体
|
||
.replaceAll(RegExp(r'`(.+?)`'), r'$1') // 行内代码
|
||
.replaceAll(RegExp(r'^\s*[-*+]\s', multiLine: true), '') // 列表
|
||
.replaceAll(RegExp(r'^\s*>\s', multiLine: true), '') // 引用
|
||
.replaceAll(RegExp(r'\[([^\]]+)\]\([^)]+\)'), r'$1') // 链接
|
||
.replaceAll(RegExp(r'!\[([^\]]*)\]\([^)]+\)'), '') // 图片
|
||
.trim();
|
||
}
|
||
|
||
/// 合并连续空行为单行
|
||
String _collapseBlankLines(String text) {
|
||
return text.replaceAll(RegExp(r'\n\s*\n+'), '\n');
|
||
}
|
||
|
||
/// 显示删除确认对话框
|
||
void _showDeleteDialog(BuildContext context) {
|
||
showDialog(
|
||
context: context,
|
||
builder: (context) => AlertDialog(
|
||
backgroundColor: Colors.white,
|
||
elevation: 0,
|
||
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
|
||
title: const Text(
|
||
'确认删除',
|
||
style: TextStyle(
|
||
fontSize: 18,
|
||
fontWeight: FontWeight.w600,
|
||
),
|
||
),
|
||
content: const Text(
|
||
'确定要删除这条笔记吗？删除后可在回收站恢复。',
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
color: Color(0xFF666666),
|
||
height: 1.5,
|
||
),
|
||
),
|
||
actions: [
|
||
TextButton(
|
||
onPressed: () => Navigator.pop(context),
|
||
style: TextButton.styleFrom(
|
||
foregroundColor: const Color(0xFF666666),
|
||
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
||
),
|
||
child: const Text('取消'),
|
||
),
|
||
ElevatedButton(
|
||
onPressed: () async {
|
||
await context.read<AppProvider>().removeNote(note.id);
|
||
Navigator.pop(context);
|
||
ToastUtil.show(context, '已删除');
|
||
},
|
||
style: ElevatedButton.styleFrom(
|
||
backgroundColor: Colors.red,
|
||
foregroundColor: Colors.white,
|
||
elevation: 0,
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(8),
|
||
),
|
||
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
||
),
|
||
child: const Text('删除'),
|
||
),
|
||
],
|
||
actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
||
),
|
||
);
|
||
}
|
||
}
|
||
|
||
// 日期格式化缓存
|
||
final Map<DateTime, String> _dateFormatCache = {};
|
||
|
||
/// 格式化日期（带缓存）
|
||
String _formatDateCached(DateTime date) {
|
||
// 使用日期部分作为缓存键（忽略时分秒）
|
||
final cacheKey = DateTime(date.year, date.month, date.day);
|
||
|
||
if (_dateFormatCache.containsKey(cacheKey)) {
|
||
return _dateFormatCache[cacheKey]!;
|
||
}
|
||
|
||
final result = _formatDate(date);
|
||
_dateFormatCache[cacheKey] = result;
|
||
return result;
|
||
}
|
||
|
||
/// 格式化日期
|
||
String _formatDate(DateTime date) {
|
||
final now = DateTime.now();
|
||
final difference = now.difference(date);
|
||
|
||
if (difference.inDays == 0) {
|
||
if (difference.inHours == 0) {
|
||
if (difference.inMinutes == 0) {
|
||
return '刚刚';
|
||
}
|
||
return '${difference.inMinutes}分钟前';
|
||
}
|
||
return '${difference.inHours}小时前';
|
||
} else if (difference.inDays < 7) {
|
||
return '${difference.inDays}天前';
|
||
} else {
|
||
return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
|
||
}
|
||
}
|