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笔记功能初步完善

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DelLevin-Home
2026-03-06 13:49:13 +08:00
parent 3ebc71da7d
commit 17de976d4b
20 changed files with 3058 additions and 1951 deletions
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632
lib/pages/book_detail_page.dart
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@@ -1,272 +1,474 @@
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/app_theme.dart';
/// 书籍详情页
/// 书籍详情页 - 极简主义设计
class BookDetailPage extends StatefulWidget {
final Book book;
const BookDetailPage({super.key, required this.book});
@override
State<BookDetailPage> createState() => _BookDetailPageState();
}
class _BookDetailPageState extends State<BookDetailPage> {
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(widget.book.title),
actions: [
IconButton(
icon: const Icon(Icons.edit),
onPressed: () => _navigateToEdit(context),
),
IconButton(
icon: const Icon(Icons.delete_outline),
onPressed: () => _showDeleteDialog(context),
),
],
),
body: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 封面区域
_buildCoverSection(context),
// 基本信息
_buildInfoSection(context),
// 笔记区域
if (widget.book.note != null && widget.book.note!.isNotEmpty)
_buildNoteSection(context),
],
),
),
);
}
/// 构建封面区域
Widget _buildCoverSection(BuildContext context) {
return Container(
width: double.infinity,
height: 250,
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: [
Theme.of(context).colorScheme.primaryContainer,
Theme.of(context).colorScheme.surface,
],
),
),
child: Stack(
children: [
Center(
backgroundColor: Colors.white,
body: CustomScrollView(
slivers: [
// 顶部封面区域
_buildSliverAppBar(),
// 内容区域
SliverToBoxAdapter(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Icon(
Icons.menu_book,
size: 80,
color: Theme.of(context).colorScheme.primary.withOpacity(0.6),
),
const SizedBox(height: 16),
Text(
widget.book.title,
style: Theme.of(context).textTheme.headlineSmall?.copyWith(
fontWeight: FontWeight.bold,
color: Theme.of(context).colorScheme.onSurface,
),
textAlign: TextAlign.center,
maxLines: 2,
overflow: TextOverflow.ellipsis,
),
// 基本信息
_buildBasicInfo(),
const Divider(height: 0.5, thickness: 0.5, color: Color(0xFFE5E5E5)),
// 作者信息
_buildAuthorsSection(),
// 出版社
if (widget.book.publisher != null && widget.book.publisher!.isNotEmpty)
_buildPublisherSection(),
// 类型
if (widget.book.genres.isNotEmpty)
_buildGenresSection(),
const Divider(height: 0.5, thickness: 0.5, color: Color(0xFFE5E5E5)),
// 简介
if (widget.book.summary != null && widget.book.summary!.isNotEmpty)
_buildSummarySection(),
// 别名
if (widget.book.alternateTitles.isNotEmpty)
_buildAlternateTitlesSection(),
const SizedBox(height: 48),
],
),
),
Positioned(
top: 16,
right: 16,
child: _buildStatusTag(context),
),
],
),
// 底部操作栏
bottomNavigationBar: _buildBottomBar(),
);
}
/// 构建状态标签
Widget _buildStatusTag(BuildContext context) {
Color statusColor;
String statusText;
switch (widget.book.status) {
case 'read':
statusColor = AppTheme.readColor;
statusText = '读完';
break;
case 'reading':
statusColor = AppTheme.readingColor;
statusText = '在读';
break;
case 'want_to_read':
statusColor = AppTheme.wantToReadColor;
statusText = '准备读';
break;
default:
statusColor = Colors.grey;
statusText = '未知';
}
return Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
decoration: BoxDecoration(
color: statusColor.withOpacity(0.9),
borderRadius: BorderRadius.circular(20),
/// 构建顶部 AppBar
Widget _buildSliverAppBar() {
return SliverAppBar(
expandedHeight: 280,
pinned: true,
backgroundColor: Colors.white,
flexibleSpace: FlexibleSpaceBar(
background: _buildCoverSection(),
),
child: Text(
statusText,
style: const TextStyle(
fontSize: 14,
color: Colors.white,
fontWeight: FontWeight.bold,
),
),
);
}
/// 构建信息区域
Widget _buildInfoSection(BuildContext context) {
return Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 作者
if (widget.book.author != null && widget.book.author!.isNotEmpty) ...[
_buildInfoItem(
context,
icon: Icons.person,
label: widget.book.author!,
),
const SizedBox(height: 12),
],
// 评分
if (widget.book.rating != null) ...[
_buildInfoItem(
context,
icon: Icons.star,
label: widget.book.rating.toString(),
iconColor: Colors.amber[700],
textColor: Colors.amber[700],
),
const SizedBox(height: 12),
],
// 阅读日期
if (widget.book.readDate != null)
_buildInfoItem(
context,
icon: Icons.event,
label: '阅读日期：${_formatDate(widget.book.readDate!)}',
),
],
),
);
}
/// 构建信息项
Widget _buildInfoItem(
BuildContext context, {
required IconData icon,
required String label,
Color? iconColor,
Color? textColor,
}) {
return Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(icon, size: 18, color: iconColor),
const SizedBox(width: 4),
Text(
label,
style: TextStyle(
fontSize: 14,
color: textColor ?? Theme.of(context).colorScheme.onSurfaceVariant,
),
actions: [
IconButton(
icon: const Icon(Icons.edit_outlined),
onPressed: () => _navigateToEdit(context),
),
const SizedBox(width: 8),
],
);
}
/// 构建笔记区域
Widget _buildNoteSection(BuildContext context) {
/// 构建封面区域
Widget _buildCoverSection() {
return Container(
margin: const EdgeInsets.all(16),
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: Theme.of(context).colorScheme.surfaceContainerHighest,
borderRadius: BorderRadius.circular(12),
),
width: double.infinity,
color: const Color(0xFFF5F5F5),
child: widget.book.coverPath != null && widget.book.coverPath!.isNotEmpty
? Image.file(
File(widget.book.coverPath!),
fit: BoxFit.contain,
errorBuilder: (_, __, ___) => _buildCoverPlaceholder(),
)
: _buildCoverPlaceholder(),
);
}
Widget _buildCoverPlaceholder() {
return const Center(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.center,
children: [
Row(
children: [
Icon(
Icons.edit_note,
size: 20,
color: Theme.of(context).colorScheme.primary,
),
const SizedBox(width: 8),
Text(
'笔记',
style: Theme.of(context).textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.bold,
),
),
],
Icon(
Icons.menu_book,
size: 64,
color: Color(0xFFCCCCCC),
),
const SizedBox(height: 12),
SizedBox(height: 16),
Text(
widget.book.note!,
style: Theme.of(context).textTheme.bodyMedium,
'暂无封面',
style: TextStyle(
fontSize: 14,
color: Color(0xFF999999),
),
),
],
),
);
}
/// 构建基本信息
Widget _buildBasicInfo() {
return Padding(
padding: const EdgeInsets.all(24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 书名
Text(
widget.book.title,
style: const TextStyle(
fontSize: 24,
fontWeight: FontWeight.w600,
color: Color(0xFF1A1A1A),
height: 1.3,
),
),
const SizedBox(height: 16),
// 评分和状态
Row(
children: [
if (widget.book.rating != null) ...[
const Icon(
Icons.star,
size: 20,
color: Color(0xFF1A1A1A),
),
const SizedBox(width: 4),
Text(
widget.book.rating!.toStringAsFixed(1),
style: const TextStyle(
fontSize: 18,
fontWeight: FontWeight.w600,
color: Color(0xFF1A1A1A),
),
),
const SizedBox(width: 16),
],
_buildStatusTag(),
],
),
const SizedBox(height: 8),
// 时间信息
Text(
'添加于 ${_formatDate(widget.book.createdAt)}',
style: const TextStyle(
fontSize: 12,
color: Color(0xFF999999),
),
),
],
),
);
}
/// 构建状态标签
Widget _buildStatusTag() {
String label;
Color color;
switch (widget.book.status) {
case 'read':
label = '已读';
color = const Color(0xFF1A1A1A);
break;
case 'reading':
label = '在读';
color = const Color(0xFF666666);
break;
case 'want_to_read':
label = '想读';
color = const Color(0xFF999999);
break;
default:
label = '未知';
color = const Color(0xFFCCCCCC);
}
return Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 4),
decoration: BoxDecoration(
color: color,
),
child: Text(
label,
style: const TextStyle(
fontSize: 12,
color: Colors.white,
fontWeight: FontWeight.w500,
),
),
);
}
/// 构建作者区域
Widget _buildAuthorsSection() {
return Padding(
padding: const EdgeInsets.all(24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'作者',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w600,
color: Color(0xFF999999),
letterSpacing: 1,
),
),
const SizedBox(height: 12),
Wrap(
spacing: 8,
runSpacing: 8,
children: widget.book.authors.map((author) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
decoration: BoxDecoration(
color: const Color(0xFFF5F5F5),
border: Border.all(color: const Color(0xFFE5E5E5)),
),
child: Text(
author,
style: const TextStyle(
fontSize: 14,
color: Color(0xFF1A1A1A),
),
),
);
}).toList(),
),
],
),
);
}
/// 构建出版社区域
Widget _buildPublisherSection() {
return Padding(
padding: const EdgeInsets.fromLTRB(24, 0, 24, 24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'出版社',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w600,
color: Color(0xFF999999),
letterSpacing: 1,
),
),
const SizedBox(height: 8),
Text(
widget.book.publisher!,
style: const TextStyle(
fontSize: 15,
color: Color(0xFF1A1A1A),
),
),
],
),
);
}
/// 构建类型区域
Widget _buildGenresSection() {
return Padding(
padding: const EdgeInsets.fromLTRB(24, 0, 24, 24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'类型',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w600,
color: Color(0xFF999999),
letterSpacing: 1,
),
),
const SizedBox(height: 12),
Wrap(
spacing: 8,
runSpacing: 8,
children: widget.book.genres.map((genre) {
return Container(
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
decoration: BoxDecoration(
border: Border.all(color: const Color(0xFFE5E5E5)),
),
child: Text(
genre,
style: const TextStyle(
fontSize: 13,
color: Color(0xFF666666),
),
),
);
}).toList(),
),
],
),
);
}
/// 构建简介区域
Widget _buildSummarySection() {
return Padding(
padding: const EdgeInsets.all(24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'简介',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w600,
color: Color(0xFF999999),
letterSpacing: 1,
),
),
const SizedBox(height: 12),
Text(
widget.book.summary!,
style: const TextStyle(
fontSize: 15,
color: Color(0xFF1A1A1A),
height: 1.6,
),
),
],
),
);
}
/// 构建别名区域
Widget _buildAlternateTitlesSection() {
return Padding(
padding: const EdgeInsets.fromLTRB(24, 0, 24, 24),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text(
'别名',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w600,
color: Color(0xFF999999),
letterSpacing: 1,
),
),
const SizedBox(height: 8),
Wrap(
spacing: 8,
runSpacing: 8,
children: widget.book.alternateTitles.map((title) {
return Text(
title,
style: const TextStyle(
fontSize: 14,
color: Color(0xFF666666),
),
);
}).toList(),
),
],
),
);
}
/// 构建底部操作栏
Widget _buildBottomBar() {
return Container(
decoration: const BoxDecoration(
border: Border(
top: BorderSide(color: Color(0xFFE5E5E5), width: 0.5),
),
),
child: SafeArea(
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
child: Row(
children: [
Expanded(
child: OutlinedButton(
onPressed: () => _navigateToEdit(context),
style: OutlinedButton.styleFrom(
foregroundColor: const Color(0xFF1A1A1A),
side: const BorderSide(color: Color(0xFF1A1A1A)),
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
padding: const EdgeInsets.symmetric(vertical: 12),
),
child: const Text('编辑'),
),
),
const SizedBox(width: 16),
Expanded(
child: OutlinedButton(
onPressed: () => _showDeleteDialog(context),
style: OutlinedButton.styleFrom(
foregroundColor: Colors.red,
side: const BorderSide(color: Colors.red),
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
padding: const EdgeInsets.symmetric(vertical: 12),
),
child: const Text('删除'),
),
),
],
),
),
),
);
}
/// 格式化日期
String _formatDate(DateTime date) {
return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
}
/// 跳转到编辑页面
void _navigateToEdit(BuildContext context) {
Navigator.pushNamed(context, '/book-form', arguments: widget.book).then((_) {
context.read<AppProvider>().loadBooks();
});
}
/// 显示删除对话框
void _showDeleteDialog(BuildContext context) {
showDialog(
context: context,
builder: (context) => AlertDialog(
backgroundColor: Colors.white,
elevation: 0,
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
title: const Text('确认删除'),
content: Text('确定要删除"${widget.book.title}"吗？此操作不可恢复。'),
content: Text('确定要删除"${widget.book.title}"吗？'),
actions: [
TextButton(
onPressed: () => Navigator.pop(context),
child: const Text('取消'),
child: const Text('取消', style: TextStyle(color: Color(0xFF666666))),
),
TextButton(
onPressed: () async {
@@ -275,16 +477,10 @@ class _BookDetailPageState extends State<BookDetailPage> {
Navigator.pop(context);
Navigator.pop(context);
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(
content: Text('已删除'),
behavior: SnackBarBehavior.floating,
),
const SnackBar(content: Text('已删除')),
);
},
child: const Text(
'删除',
style: TextStyle(color: Colors.red),
),
child: const Text('删除', style: TextStyle(color: Colors.red)),
),
],
),