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MookNote/lib/widgets/note_list_item.dart
2026-06-26 23:46:37 +08:00

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import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import '../providers/app_provider.dart';
import '../models/data_models.dart';
import 'fade_in_local_image.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) {
return RepaintBoundary(
child: _NoteListItemContent(note: note),
);
}
}
class _NoteListItemContent extends StatelessWidget {
final Note note;
const _NoteListItemContent({required this.note});
@override
Widget build(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return InkWell(
onTap: () async {
final provider = context.read<AppProvider>();
await Navigator.pushNamed(context, '/note-detail', arguments: note);
await provider.loadNotes();
},
onLongPress: () => _showActions(context),
child: Container(
margin: const EdgeInsets.only(bottom: 8),
padding: const EdgeInsets.fromLTRB(12, 10, 12, 10),
decoration: BoxDecoration(
color: colors.surfaceContainerHigh,
borderRadius: BorderRadius.circular(8),
border: Border.all(color: colors.outlineVariant, width: 0.5),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisSize: MainAxisSize.min,
children: [
// 日期行
Row(
children: [
Text(
_formatDate(note.createdAt),
style: TextStyle(
fontSize: 11,
color: colors.onSurface.withValues(alpha: 0.4),
),
),
const SizedBox(width: 8),
Container(
padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 1),
decoration: BoxDecoration(
color: colors.surface,
borderRadius: BorderRadius.circular(3),
border: Border.all(color: colors.outlineVariant, width: 0.5),
),
child: Text(
'MD',
style: TextStyle(
fontSize: 9,
fontWeight: FontWeight.w600,
color: colors.onSurface.withValues(alpha: 0.4),
),
),
),
if (note.isPinned) ...[
const SizedBox(width: 6),
Icon(Icons.push_pin, size: 12, color: colors.primary),
],
],
),
const SizedBox(height: 6),
if (note.title.isNotEmpty) ...[
Text(
note.title,
style: TextStyle(
fontSize: 15,
fontWeight: FontWeight.w600,
color: colors.onSurface,
height: 1.4,
),
maxLines: 1,
overflow: TextOverflow.ellipsis,
),
const SizedBox(height: 4),
],
if (_collapseBlankLines(_cleanMarkdown(note.content).trim()).isNotEmpty)
Text(
_collapseBlankLines(_cleanMarkdown(note.content).trim()),
style: TextStyle(
fontSize: 13,
color: colors.onSurface.withValues(alpha: 0.6),
height: 1.5,
),
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
// 图片缩略图最多3张超出显示 +N
if (note.images.isNotEmpty) ...[
const SizedBox(height: 8),
Row(
children: [
for (int i = 0; i < note.images.length.clamp(0, 3); i++) ...[
if (i > 0) const SizedBox(width: 6),
ClipRRect(
borderRadius: BorderRadius.circular(6),
child: Stack(
children: [
FadeInLocalImage(
path: note.images[i],
width: 56, height: 56,
fit: BoxFit.cover,
errorWidget: Container(width: 56, height: 56, color: colors.surfaceContainerHighest),
),
// 第3张且有更多时显示 +N
if (i == 2 && note.images.length > 3)
Positioned.fill(
child: Container(
decoration: BoxDecoration(
color: Colors.black.withValues(alpha: 0.45),
borderRadius: BorderRadius.circular(6),
),
alignment: Alignment.center,
child: Text('+${note.images.length - 3}',
style: const TextStyle(fontSize: 13, color: Colors.white, fontWeight: FontWeight.w600)),
),
),
],
),
),
],
],
),
],
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.surface,
borderRadius: BorderRadius.circular(4),
border: Border.all(color: colors.outlineVariant, width: 0.5),
),
child: Text(
tag,
style: TextStyle(
fontSize: 11,
color: colors.onSurface.withValues(alpha: 0.6),
),
),
);
}).toList(),
),
],
],
),
),
);
}
void _showActions(BuildContext context) {
final colors = Theme.of(context).colorScheme;
showModalBottomSheet(
context: context,
backgroundColor: colors.surface,
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(16))),
builder: (ctx) => Padding(
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
child: Column(mainAxisSize: MainAxisSize.min, children: [
Container(width: 36, height: 4, decoration: BoxDecoration(color: colors.onSurface.withValues(alpha: 0.15), borderRadius: BorderRadius.circular(2))),
const SizedBox(height: 16),
ListTile(
contentPadding: EdgeInsets.zero,
leading: Container(width: 36, height: 36, decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)),
child: Icon(note.isPinned ? Icons.push_pin_outlined : Icons.push_pin, size: 20, color: colors.onSurface.withValues(alpha: 0.6))),
title: Text(note.isPinned ? '取消置顶' : '置顶', style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface)),
subtitle: Text(note.isPinned ? '取消置顶后按时间排序' : '置顶后始终显示在最前', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))),
trailing: Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.25)),
onTap: () {
Navigator.pop(ctx);
context.read<AppProvider>().toggleNotePin(note.id, !note.isPinned);
},
),
Divider(height: 0.5, color: colors.outlineVariant),
ListTile(
contentPadding: EdgeInsets.zero,
leading: Container(width: 36, height: 36, decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)),
child: Icon(Icons.delete_outline, size: 20, color: colors.error)),
title: Text('删除', style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: colors.error)),
subtitle: Text('删除后可在回收站恢复', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))),
trailing: Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.25)),
onTap: () {
Navigator.pop(ctx);
_showDeleteConfirm(context);
},
),
const SizedBox(height: 12),
]),
),
);
}
void _showDeleteConfirm(BuildContext context) {
final colors = Theme.of(context).colorScheme;
showDialog(
context: context,
builder: (ctx) => AlertDialog(
backgroundColor: colors.surface, elevation: 0,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
title: Text('确认删除', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
content: 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: colors.onSurface.withValues(alpha: 0.6), height: 1.5)),
actions: [
TextButton(onPressed: () => Navigator.pop(ctx),
child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6)))),
ElevatedButton(
onPressed: () async {
await context.read<AppProvider>().removeNote(note.id);
Navigator.pop(ctx);
},
style: ElevatedButton.styleFrom(backgroundColor: colors.error, foregroundColor: colors.onError, 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),
),
);
}
String _cleanMarkdown(String text) {
return text
.replaceAll(RegExp(r'^#+\s+', multiLine: true), '')
.replaceAll(RegExp(r'\*\*(.+?)\*\*'), r'$1')
.replaceAll(RegExp(r'\*(.+?)\*'), r'$1')
.replaceAll(RegExp(r'`(.+?)`'), r'$1')
.replaceAll(RegExp(r'^\s*[-*+]\s', multiLine: true), '')
.replaceAll(RegExp(r'^\s*>\s', multiLine: true), '')
.replaceAll(RegExp(r'\[([^\]]+)\]\([^)]+\)'), r'$1')
.replaceAll(RegExp(r'!\[([^\]]*)\]\([^)]+\)'), '')
.trim();
}
String _collapseBlankLines(String text) {
return text.replaceAll(RegExp(r'\n\s*\n+'), '\n');
}
}
String _formatDate(DateTime date) {
final now = DateTime.now();
final difference = now.difference(date);
if (difference.isNegative) {
return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
}
if (difference.inDays == 0) {
if (difference.inHours == 0) {
if (difference.inMinutes == 0) {
return '刚刚';
}
return '${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')}';
}
}