generated from dellevin/template
327 lines
12 KiB
Dart
327 lines
12 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../providers/app_provider.dart';
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import '../models/data_models.dart';
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/// 笔记列表项组件 - 卡片式设计,内容展示在卡片内
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class NoteListItem extends StatelessWidget {
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final Note note;
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final bool selected;
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final VoidCallback? onTap;
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const NoteListItem({super.key, required this.note, this.selected = false, this.onTap});
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@override
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Widget build(BuildContext context) {
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return RepaintBoundary(
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child: _NoteListItemContent(note: note, selected: selected, onTap: onTap),
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);
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}
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}
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class _NoteListItemContent extends StatelessWidget {
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final Note note;
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final bool selected;
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final VoidCallback? onTap;
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const _NoteListItemContent({required this.note, this.selected = false, this.onTap});
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@override
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Widget build(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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final previewText = _getPreviewText(note);
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return GestureDetector(
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onTap: onTap ?? () async {
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final provider = context.read<AppProvider>();
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await Navigator.pushNamed(context, '/note-detail', arguments: note);
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await provider.loadNotes();
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},
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onLongPress: () => _showActions(context),
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child: Container(
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margin: const EdgeInsets.only(bottom: 8),
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(12),
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border: selected ? Border.all(color: colors.primary, width: 1.5) : null,
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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// 标题(带置顶图标)
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if (note.title.isNotEmpty) ...[
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const SizedBox(height: 6),
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Row(
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children: [
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if (note.isPinned)
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Padding(
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padding: const EdgeInsets.only(right: 4),
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child: Icon(Icons.push_pin, size: 14, color: colors.primary),
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),
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Expanded(
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child: Text(
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note.title,
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style: TextStyle(
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fontSize: 15,
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fontWeight: FontWeight.w600,
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color: colors.onSurface,
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height: 1.3,
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),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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),
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const SizedBox(width: 12),
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Text(
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_formatDate(note.createdAt),
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style: TextStyle(
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fontSize: 11,
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color: colors.onSurface.withValues(alpha: 0.35),
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),
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),
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],
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),
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],
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// 内容预览(无标题时才显示置顶和时间,替换原本只有置顶的逻辑)
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if (previewText.isNotEmpty) ...[
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const SizedBox(height: 6),
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if (note.title.isEmpty)
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Row(
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children: [
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if (note.isPinned)
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Padding(
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padding: const EdgeInsets.only(right: 4),
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child: Icon(Icons.push_pin, size: 14, color: colors.primary),
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),
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const Spacer(),
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Text(
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_formatDate(note.createdAt),
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style: TextStyle(
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fontSize: 11,
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color: colors.onSurface.withValues(alpha: 0.35),
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),
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),
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],
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),
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if (note.title.isEmpty)
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const SizedBox(height: 2),
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Text(
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previewText,
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style: TextStyle(
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fontSize: 13,
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color: colors.onSurface.withValues(alpha: 0.5),
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height: 1.5,
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),
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maxLines: 3,
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overflow: TextOverflow.ellipsis,
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),
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],
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// 标签(换行显示)
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if (note.tags.isNotEmpty) ...[
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const SizedBox(height: 8),
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Wrap(
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spacing: 6,
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runSpacing: 4,
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children: note.tags.map((tag) {
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return Container(
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padding: const EdgeInsets.symmetric(
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horizontal: 7, vertical: 2),
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(4),
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),
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child: Text(
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tag,
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style: TextStyle(
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fontSize: 11,
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color: colors.onSurface.withValues(alpha: 0.6),
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),
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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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),
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),
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);
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}
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String _getPreviewText(Note note) {
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return _collapseBlankLines(_cleanMarkdown(note.content).trim());
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}
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void _showActions(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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showModalBottomSheet(
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context: context,
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backgroundColor: colors.surface,
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.vertical(top: Radius.circular(16))),
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builder: (ctx) => Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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Container(
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width: 36,
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height: 4,
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decoration: BoxDecoration(
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color: colors.onSurface.withValues(alpha: 0.15),
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borderRadius: BorderRadius.circular(2))),
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const SizedBox(height: 16),
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ListTile(
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contentPadding: EdgeInsets.zero,
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leading: Container(
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width: 36,
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height: 36,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(10)),
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child: Icon(
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note.isPinned
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? Icons.push_pin_outlined
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: Icons.push_pin,
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size: 20,
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color: colors.onSurface.withValues(alpha: 0.6))),
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title: Text(note.isPinned ? '取消置顶' : '置顶',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: colors.onSurface)),
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subtitle: Text(
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note.isPinned ? '取消置顶后按时间排序' : '置顶后始终显示在最前',
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style: TextStyle(
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fontSize: 11,
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color: colors.onSurface.withValues(alpha: 0.4))),
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trailing: Icon(Icons.chevron_right,
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color: colors.onSurface.withValues(alpha: 0.25)),
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onTap: () {
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Navigator.pop(ctx);
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context
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.read<AppProvider>()
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.toggleNotePin(note.id, !note.isPinned);
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},
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),
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Divider(height: 0.5, color: colors.outlineVariant),
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ListTile(
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contentPadding: EdgeInsets.zero,
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leading: Container(
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width: 36,
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height: 36,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(10)),
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child: Icon(Icons.delete_outline,
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size: 20, color: colors.error)),
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title: Text('删除',
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: colors.error)),
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subtitle: Text('删除后可在回收站恢复',
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style: TextStyle(
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fontSize: 11,
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color: colors.onSurface.withValues(alpha: 0.4))),
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trailing: Icon(Icons.chevron_right,
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color: colors.onSurface.withValues(alpha: 0.25)),
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onTap: () {
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Navigator.pop(ctx);
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_showDeleteConfirm(context);
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},
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),
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const SizedBox(height: 12),
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]),
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),
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);
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}
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void _showDeleteConfirm(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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showDialog(
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context: context,
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builder: (ctx) => AlertDialog(
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backgroundColor: colors.surface,
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elevation: 0,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(12)),
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title: Text('确认删除',
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style: TextStyle(
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fontSize: 18,
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fontWeight: FontWeight.w600,
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color: colors.onSurface)),
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content: Text('确定要删除这条笔记吗?删除后可在回收站恢复。',
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style: TextStyle(
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fontSize: 14,
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color: colors.onSurface.withValues(alpha: 0.6),
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height: 1.5)),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx),
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child: Text('取消',
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style: TextStyle(
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color: colors.onSurface.withValues(alpha: 0.6)))),
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ElevatedButton(
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onPressed: () async {
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await context.read<AppProvider>().removeNote(note.id);
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Navigator.pop(ctx);
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: colors.error,
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foregroundColor: colors.onError,
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elevation: 0,
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(8)),
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padding: const EdgeInsets.symmetric(
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horizontal: 16, vertical: 8)),
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child: const Text('删除'),
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),
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],
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actionsPadding:
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const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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),
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);
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}
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String _cleanMarkdown(String text) {
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return text
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.replaceAll(RegExp(r'^#+\s+', multiLine: true), '')
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.replaceAll(RegExp(r'\*\*(.+?)\*\*'), r'$1')
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.replaceAll(RegExp(r'\*(.+?)\*'), r'$1')
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.replaceAll(RegExp(r'`(.+?)`'), r'$1')
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.replaceAll(RegExp(r'^\s*[-*+]\s', multiLine: true), '')
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.replaceAll(RegExp(r'^\s*>\s', multiLine: true), '')
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.replaceAll(RegExp(r'\[([^\]]+)\]\([^)]+\)'), r'$1')
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.replaceAll(RegExp(r'!\[([^\]]*)\]\([^)]+\)'), '')
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.trim();
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}
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String _collapseBlankLines(String text) {
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return text.replaceAll(RegExp(r'\n\s*\n+'), '\n');
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}
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}
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String _formatDate(DateTime date) {
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final now = DateTime.now();
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final difference = now.difference(date);
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if (difference.isNegative) {
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return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
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}
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if (difference.inDays == 0) {
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if (difference.inHours == 0) {
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if (difference.inMinutes == 0) {
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return '刚刚';
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}
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return '${difference.inMinutes}分钟前';
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}
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return '${difference.inHours}小时前';
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} else if (difference.inDays < 7) {
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return '${difference.inDays}天前';
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} else {
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return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
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}
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}
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