generated from dellevin/template
394 lines
14 KiB
Dart
394 lines
14 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:flutter_markdown_plus/flutter_markdown_plus.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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import 'note_share_page.dart';
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import '../../widgets/fade_in_local_image.dart';
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/// 笔记详情页
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class NoteDetailPage extends StatefulWidget {
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final Note note;
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const NoteDetailPage({super.key, required this.note});
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@override
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State<NoteDetailPage> createState() => _NoteDetailPageState();
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}
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class _NoteDetailPageState extends State<NoteDetailPage> {
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static const _weekdays = ['一', '二', '三', '四', '五', '六', '日'];
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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 note = context.watch<AppProvider>().notes.firstWhere(
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(n) => n.id == widget.note.id,
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orElse: () => widget.note,
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);
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return Scaffold(
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backgroundColor: colors.surface,
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appBar: AppBar(
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title: Text(
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note.title.isNotEmpty
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? note.title
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: _truncateContent(note.content),
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overflow: TextOverflow.ellipsis,
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maxLines: 1,
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),
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),
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body: Stack(
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children: [
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Column(
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children: [
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
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decoration: BoxDecoration(
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border: Border(
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bottom: BorderSide(color: colors.outlineVariant, width: 0.5),
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),
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),
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child: Row(
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children: [
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Text(
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'${note.createdAt.day}',
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style: TextStyle(
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fontSize: 30,
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fontWeight: FontWeight.w200,
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color: colors.onSurface.withValues(alpha: 0.75),
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height: 1.0,
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),
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),
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const SizedBox(width: 8),
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Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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'${note.createdAt.year}/${note.createdAt.month.toString().padLeft(2, '0')} 周${_weekdays[note.createdAt.weekday - 1]}',
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style: TextStyle(fontSize: 11, fontWeight: FontWeight.w500, color: colors.onSurface.withValues(alpha: 0.55)),
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),
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const SizedBox(height: 1),
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Text(
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'${note.createdAt.hour.toString().padLeft(2, '0')}:${note.createdAt.minute.toString().padLeft(2, '0')}',
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style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4)),
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),
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],
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),
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const Spacer(),
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Text(
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'${note.content.length} 字',
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style: TextStyle(fontSize: 11, 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.tags.isNotEmpty)
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Padding(
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padding: const EdgeInsets.only(top: 6),
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child: _buildTagRow(note.tags),
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),
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Expanded(
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child: Markdown(
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data: note.content,
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styleSheet: _buildMarkdownStyleSheet(colors),
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padding: const EdgeInsets.all(16),
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// ignore: deprecated_member_use
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imageBuilder: (uri, title, alt) => _buildMarkdownImage(uri, note),
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),
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),
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if (note.images.isNotEmpty) _buildImageRow(note.images),
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],
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),
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Positioned(
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right: 16,
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bottom: 24,
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child: _buildFloatingActionButtons(),
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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 _buildTagRow(List<String> tags) {
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final colors = Theme.of(context).colorScheme;
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return Container(
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height: 28,
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margin: const EdgeInsets.only(bottom: 2),
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child: ListView.separated(
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scrollDirection: Axis.horizontal,
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padding: const EdgeInsets.symmetric(horizontal: 16),
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itemCount: tags.length,
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separatorBuilder: (_, __) => const SizedBox(width: 6),
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itemBuilder: (context, index) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(6),
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),
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child: Text(
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tags[index],
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style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.6)),
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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 _buildImageRow(List<String> images) {
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final colors = Theme.of(context).colorScheme;
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return Container(
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height: 80,
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decoration: BoxDecoration(
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color: colors.surface,
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border: Border(
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top: BorderSide(color: colors.outlineVariant, width: 0.5),
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),
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boxShadow: [
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BoxShadow(
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color: Colors.black.withValues(alpha: 0.03),
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blurRadius: 6,
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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: ListView.separated(
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scrollDirection: Axis.horizontal,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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itemCount: images.length,
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separatorBuilder: (_, __) => const SizedBox(width: 8),
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itemBuilder: (context, index) {
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return InkWell(
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onTap: () => _showImagePreview(images, index),
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child: Container(
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width: 64,
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height: 64,
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decoration: BoxDecoration(
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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clipBehavior: Clip.antiAlias,
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child: Image.file(
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File(images[index]),
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fit: BoxFit.cover,
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errorBuilder: (_, __, ___) => Container(
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color: colors.surfaceContainerHighest,
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child: Icon(Icons.broken_image_outlined, size: 20, color: colors.onSurface.withValues(alpha: 0.25)),
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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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MarkdownStyleSheet _buildMarkdownStyleSheet(ColorScheme colors) {
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return MarkdownStyleSheet(
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h1: TextStyle(fontSize: 24, fontWeight: FontWeight.w600, color: colors.onSurface, height: 1.4),
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h2: TextStyle(fontSize: 20, fontWeight: FontWeight.w600, color: colors.onSurface, height: 1.4),
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h3: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface, height: 1.4),
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h4: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface, height: 1.4),
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p: TextStyle(fontSize: 15, color: colors.onSurface.withValues(alpha: 0.75), height: 1.8),
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code: TextStyle(fontSize: 14, color: colors.onSurface, backgroundColor: colors.surfaceContainerHighest, fontFamily: 'monospace'),
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codeblockDecoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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border: Border.all(color: colors.outline),
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borderRadius: BorderRadius.circular(6),
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),
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codeblockPadding: const EdgeInsets.all(12),
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blockquote: TextStyle(fontSize: 15, color: colors.onSurface.withValues(alpha: 0.6), fontStyle: FontStyle.italic, height: 1.8),
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blockquoteDecoration: BoxDecoration(
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border: Border(left: BorderSide(color: colors.onSurface.withValues(alpha: 0.4), width: 4)),
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),
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blockquotePadding: const EdgeInsets.only(left: 12, top: 4, bottom: 4),
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listBullet: TextStyle(fontSize: 15, color: colors.onSurface),
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listIndent: 24,
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a: const TextStyle(fontSize: 15, color: Color(0xFF4A90D9), decoration: TextDecoration.underline),
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tableHead: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface),
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tableBody: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.75)),
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tableBorder: TableBorder.all(color: colors.outline, width: 0.5),
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tableColumnWidth: const FlexColumnWidth(),
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tableCellsDecoration: BoxDecoration(color: colors.surface),
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tablePadding: const EdgeInsets.all(8),
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strong: TextStyle(fontWeight: FontWeight.w600, color: colors.onSurface),
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em: TextStyle(fontStyle: FontStyle.italic, color: colors.onSurface.withValues(alpha: 0.75)),
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del: TextStyle(decoration: TextDecoration.lineThrough, color: colors.onSurface.withValues(alpha: 0.4)),
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);
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}
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Widget _buildMarkdownImage(Uri uri, Note note) {
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final path = uri.toString();
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if (path.isEmpty) return const SizedBox.shrink();
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for (final imgPath in note.images) {
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if (imgPath.contains(path) || path.contains(imgPath)) {
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return ClipRRect(
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borderRadius: BorderRadius.circular(8),
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child: FadeInLocalImage(path: imgPath, fit: BoxFit.cover),
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);
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}
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}
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if (path.startsWith('http')) {
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return ClipRRect(
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borderRadius: BorderRadius.circular(8),
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child: Image.network(path, fit: BoxFit.cover, errorBuilder: (_, __, ___) => const SizedBox.shrink()),
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);
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}
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return const SizedBox.shrink();
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}
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void _showImagePreview(List<String> images, int initialIndex) {
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showDialog(
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context: context,
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barrierDismissible: true,
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builder: (context) => GestureDetector(
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onTap: () => Navigator.pop(context),
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child: Container(
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color: Colors.black.withValues(alpha: 0.9),
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child: Center(
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child: InteractiveViewer(
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panEnabled: true,
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boundaryMargin: const EdgeInsets.all(20),
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minScale: 0.5,
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maxScale: 4,
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child: FadeInLocalImage(path: images[initialIndex], fit: BoxFit.contain),
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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 _truncateContent(String content) {
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final cleaned = content
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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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if (cleaned.isEmpty) return '无标题';
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return cleaned.length > 20 ? '${cleaned.substring(0, 20)}…' : cleaned;
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}
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void _navigateToEdit(BuildContext context) {
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final currentNote = context.read<AppProvider>().notes.firstWhere(
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(n) => n.id == widget.note.id,
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orElse: () => widget.note,
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);
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Navigator.pushNamed(context, '/note-form', arguments: currentNote).then((_) async {
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await context.read<AppProvider>().loadNotes();
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});
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}
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Widget _buildFloatingActionButtons() {
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final colors = Theme.of(context).colorScheme;
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return Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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_buildFloatingButton(
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icon: Icons.edit_outlined,
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onPressed: () => _navigateToEdit(context),
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tooltip: '编辑',
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backgroundColor: colors.primary,
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foregroundColor: colors.onPrimary,
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),
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const SizedBox(height: 12),
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_buildFloatingButton(
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icon: Icons.delete_outline,
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onPressed: () => _showDeleteDialog(context),
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tooltip: '删除',
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backgroundColor: colors.error,
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foregroundColor: colors.onError,
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),
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const SizedBox(height: 12),
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_buildFloatingButton(
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icon: Icons.share_outlined,
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onPressed: _shareNote,
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tooltip: '分享',
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backgroundColor: const Color(0xFF4CAF50),
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foregroundColor: Colors.white,
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),
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],
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);
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}
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Widget _buildFloatingButton({
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required IconData icon,
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required VoidCallback onPressed,
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required String tooltip,
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required Color backgroundColor,
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required Color foregroundColor,
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}) {
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return Material(
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color: Colors.transparent,
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child: Ink(
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width: 40,
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height: 40,
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decoration: BoxDecoration(
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color: backgroundColor,
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shape: BoxShape.circle,
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boxShadow: [
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BoxShadow(
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color: backgroundColor.withValues(alpha: 0.3),
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blurRadius: 8,
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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: IconButton(
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icon: Icon(icon, size: 18, color: foregroundColor),
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onPressed: onPressed,
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padding: EdgeInsets.zero,
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tooltip: tooltip,
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),
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),
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);
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}
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void _showDeleteDialog(BuildContext context) {
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showDialog(
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context: context,
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builder: (ctx) => AlertDialog(
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title: const Text('删除笔记'),
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content: const Text('删除后将移至回收站，确定要删除吗？'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx),
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child: const Text('取消'),
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),
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TextButton(
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onPressed: () {
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Navigator.pop(ctx);
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context.read<AppProvider>().removeNote(widget.note.id);
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Navigator.pop(context);
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},
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child: Text('删除', style: TextStyle(color: Theme.of(context).colorScheme.error)),
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),
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],
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),
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);
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}
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void _shareNote() {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => NoteSharePage(note: widget.note)),
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);
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}
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}
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