generated from dellevin/template
基础功能
This commit is contained in:
DelLevin-Home
293
lib/pages/book_detail_page.dart
Normal file
293
lib/pages/book_detail_page.dart
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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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import '../utils/app_theme.dart';
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/// 书籍详情页
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class BookDetailPage extends StatefulWidget {
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final Book book;
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const BookDetailPage({super.key, required this.book});
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@override
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State<BookDetailPage> createState() => _BookDetailPageState();
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}
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class _BookDetailPageState extends State<BookDetailPage> {
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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appBar: AppBar(
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title: Text(widget.book.title),
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actions: [
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IconButton(
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icon: const Icon(Icons.edit),
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onPressed: () => _navigateToEdit(context),
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),
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IconButton(
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icon: const Icon(Icons.delete_outline),
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onPressed: () => _showDeleteDialog(context),
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),
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],
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),
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body: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 封面区域
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_buildCoverSection(context),
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// 基本信息
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_buildInfoSection(context),
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// 笔记区域
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if (widget.book.note != null && widget.book.note!.isNotEmpty)
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_buildNoteSection(context),
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],
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),
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),
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);
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}
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/// 构建封面区域
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Widget _buildCoverSection(BuildContext context) {
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return Container(
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width: double.infinity,
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height: 250,
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topLeft,
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end: Alignment.bottomRight,
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colors: [
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Theme.of(context).colorScheme.primaryContainer,
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Theme.of(context).colorScheme.surface,
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],
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),
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),
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child: Stack(
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children: [
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Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.menu_book,
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size: 80,
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color: Theme.of(context).colorScheme.primary.withOpacity(0.6),
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),
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const SizedBox(height: 16),
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Text(
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widget.book.title,
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style: Theme.of(context).textTheme.headlineSmall?.copyWith(
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fontWeight: FontWeight.bold,
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color: Theme.of(context).colorScheme.onSurface,
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),
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textAlign: TextAlign.center,
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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],
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),
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),
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Positioned(
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top: 16,
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right: 16,
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child: _buildStatusTag(context),
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),
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],
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),
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);
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}
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/// 构建状态标签
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Widget _buildStatusTag(BuildContext context) {
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Color statusColor;
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String statusText;
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switch (widget.book.status) {
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case 'read':
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statusColor = AppTheme.readColor;
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statusText = '读完';
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break;
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case 'reading':
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statusColor = AppTheme.readingColor;
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statusText = '在读';
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break;
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case 'want_to_read':
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statusColor = AppTheme.wantToReadColor;
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statusText = '准备读';
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break;
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default:
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statusColor = Colors.grey;
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statusText = '未知';
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}
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(
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color: statusColor.withOpacity(0.9),
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borderRadius: BorderRadius.circular(20),
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),
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child: Text(
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statusText,
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style: const TextStyle(
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fontSize: 14,
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color: Colors.white,
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fontWeight: FontWeight.bold,
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),
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),
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);
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}
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/// 构建信息区域
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Widget _buildInfoSection(BuildContext context) {
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return Padding(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 作者
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if (widget.book.author != null && widget.book.author!.isNotEmpty) ...[
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_buildInfoItem(
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context,
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icon: Icons.person,
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label: widget.book.author!,
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),
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const SizedBox(height: 12),
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],
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// 评分
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if (widget.book.rating != null) ...[
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_buildInfoItem(
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context,
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icon: Icons.star,
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label: widget.book.rating.toString(),
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iconColor: Colors.amber[700],
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textColor: Colors.amber[700],
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),
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const SizedBox(height: 12),
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],
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// 阅读日期
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if (widget.book.readDate != null)
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_buildInfoItem(
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context,
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icon: Icons.event,
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label: '阅读日期：${_formatDate(widget.book.readDate!)}',
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),
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],
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),
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);
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}
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/// 构建信息项
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Widget _buildInfoItem(
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BuildContext context, {
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required IconData icon,
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required String label,
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Color? iconColor,
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Color? textColor,
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}) {
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return Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(icon, size: 18, color: iconColor),
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const SizedBox(width: 4),
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Text(
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label,
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style: TextStyle(
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fontSize: 14,
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color: textColor ?? Theme.of(context).colorScheme.onSurfaceVariant,
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),
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),
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],
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);
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}
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/// 构建笔记区域
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Widget _buildNoteSection(BuildContext context) {
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return Container(
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margin: const EdgeInsets.all(16),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Theme.of(context).colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(12),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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Icon(
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Icons.edit_note,
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size: 20,
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color: Theme.of(context).colorScheme.primary,
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),
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const SizedBox(width: 8),
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Text(
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'笔记',
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style: Theme.of(context).textTheme.titleMedium?.copyWith(
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fontWeight: FontWeight.bold,
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),
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),
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],
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),
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const SizedBox(height: 12),
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Text(
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widget.book.note!,
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style: Theme.of(context).textTheme.bodyMedium,
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),
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],
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),
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);
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}
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/// 格式化日期
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String _formatDate(DateTime date) {
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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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/// 跳转到编辑页面
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void _navigateToEdit(BuildContext context) {
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Navigator.pushNamed(context, '/book-form', arguments: widget.book).then((_) {
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context.read<AppProvider>().loadBooks();
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});
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}
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/// 显示删除对话框
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void _showDeleteDialog(BuildContext context) {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('确认删除'),
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content: Text('确定要删除"${widget.book.title}"吗？此操作不可恢复。'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('取消'),
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),
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TextButton(
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onPressed: () async {
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await context.read<AppProvider>().removeBook(widget.book.id);
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if (!mounted) return;
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Navigator.pop(context);
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Navigator.pop(context);
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('已删除'),
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behavior: SnackBarBehavior.floating,
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),
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);
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},
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child: const Text(
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'删除',
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style: TextStyle(color: Colors.red),
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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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