generated from dellevin/template
802 lines
23 KiB
Dart
802 lines
23 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../../widgets/fade_in_local_image.dart';
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import 'package:share_plus/share_plus.dart';
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import 'package:cross_file/cross_file.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/toast_util.dart';
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import 'book_reviews_page.dart';
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import 'book_excerpts_page.dart';
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import 'book_share_page.dart';
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/// 书籍详情页 - 极简主义设计
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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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void didChangeDependencies() {
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super.didChangeDependencies();
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_refreshBookData();
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}
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void _refreshBookData() {
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final provider = context.read<AppProvider>();
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provider.loadBooks();
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}
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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 book = context.watch<AppProvider>().books
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.where((b) => b.id == widget.book.id)
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.firstOrNull ?? widget.book;
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return Scaffold(
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backgroundColor: colors.surface,
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body: Stack(
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children: [
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CustomScrollView(
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slivers: [
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_buildSliverAppBar(book),
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SliverToBoxAdapter(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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_buildBasicInfo(book),
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Divider(height: 0.5, thickness: 0.5, color: colors.outline),
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_buildAuthorsSection(book),
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if (book.genres.isNotEmpty)
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_buildGenresSection(book),
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if (book.isbn != null && book.isbn!.isNotEmpty)
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_buildIsbnSection(book),
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if (book.publisher != null && book.publisher!.isNotEmpty)
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_buildPublisherSection(book),
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if (book.publishDate != null)
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_buildPublishDateSection(book),
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Divider(height: 0.5, thickness: 0.5, color: colors.outline),
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if (book.summary != null && book.summary!.isNotEmpty)
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_buildSummarySection(book),
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Divider(height: 0.5, thickness: 0.5, color: colors.outline),
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_buildExtraSections(book),
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const SizedBox(height: 120),
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],
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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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right: 16,
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bottom: 24,
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child: _buildFloatingActionButtons(book),
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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 _buildFloatingActionButtons(Book book) {
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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: () => _showSharePoster(book),
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tooltip: '分享海报',
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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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Widget _buildBackButton() {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 4, vertical: 8),
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decoration: BoxDecoration(
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color: Colors.black.withOpacity(0.3),
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borderRadius: BorderRadius.circular(8),
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),
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child: Material(
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color: Colors.transparent,
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child: InkWell(
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onTap: () => Navigator.pop(context),
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borderRadius: BorderRadius.circular(8),
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child: Container(
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padding: const EdgeInsets.all(8),
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child: const Icon(
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Icons.arrow_back,
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color: Colors.white,
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size: 22,
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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 _buildSliverAppBar(Book book) {
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final colors = Theme.of(context).colorScheme;
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return SliverAppBar(
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expandedHeight: 320,
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pinned: true,
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backgroundColor: colors.surfaceContainerHighest,
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leading: _buildBackButton(),
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flexibleSpace: FlexibleSpaceBar(
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background: _buildCoverSection(book),
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),
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);
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}
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Widget _buildCoverSection(Book book) {
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return SizedBox.expand(
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child: book.coverPath != null && book.coverPath!.isNotEmpty
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? FadeInLocalImage(
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path: book.coverPath,
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fit: BoxFit.cover,
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)
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: _buildCoverPlaceholder(),
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);
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}
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Widget _buildCoverPlaceholder() {
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final colors = Theme.of(context).colorScheme;
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return 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: 64,
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color: colors.onSurface.withValues(alpha: 0.25),
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),
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const SizedBox(height: 16),
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Text(
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'暂无封面',
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style: TextStyle(
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fontSize: 14,
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color: colors.onSurface.withValues(alpha: 0.4),
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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 _buildBasicInfo(Book book) {
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final colors = Theme.of(context).colorScheme;
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return Padding(
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padding: const EdgeInsets.all(24),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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book.title,
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style: TextStyle(
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fontSize: 24,
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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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),
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if (book.alternateTitles.isNotEmpty) ...[
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const SizedBox(height: 8),
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Text(
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book.alternateTitles.join(' / '),
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style: TextStyle(
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fontSize: 14,
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color: colors.onSurface.withValues(alpha: 0.4),
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height: 1.4,
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),
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),
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],
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const SizedBox(height: 16),
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Row(
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children: [
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if (book.rating != null) ...[
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Icon(
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Icons.star,
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size: 20,
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color: colors.onSurface,
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),
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const SizedBox(width: 4),
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Text(
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book.rating!.toStringAsFixed(1),
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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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),
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),
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const SizedBox(width: 16),
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],
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_buildStatusTag(book),
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],
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),
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const SizedBox(height: 8),
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Text(
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'添加于 ${_formatDate(book.createdAt)}',
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style: TextStyle(
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fontSize: 12,
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color: colors.onSurface.withValues(alpha: 0.4),
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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 _buildStatusTag(Book book) {
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final colors = Theme.of(context).colorScheme;
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String label;
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Color bgColor;
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Color textColor;
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switch (book.status) {
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case 'read':
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label = '已读';
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bgColor = colors.primary;
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textColor = colors.onPrimary;
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break;
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case 'reading':
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label = '在读';
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bgColor = colors.outlineVariant;
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textColor = colors.onSurface.withValues(alpha: 0.6);
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break;
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case 'want_to_read':
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label = '想读';
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bgColor = colors.surfaceContainerHighest;
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textColor = colors.onSurface.withValues(alpha: 0.4);
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break;
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default:
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label = '未知';
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bgColor = colors.outlineVariant;
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textColor = colors.onSurface.withValues(alpha: 0.25);
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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: bgColor,
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borderRadius: BorderRadius.circular(6),
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),
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child: Text(
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label,
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style: TextStyle(
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fontSize: 12,
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color: textColor,
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fontWeight: FontWeight.w600,
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),
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),
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);
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}
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Widget _buildAuthorsSection(Book book) {
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final colors = Theme.of(context).colorScheme;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(
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width: 64,
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child: Text(
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'作者',
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style: TextStyle(
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fontSize: 13,
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color: colors.onSurface.withValues(alpha: 0.4),
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),
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),
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),
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Expanded(
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child: Text(
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book.authors.join('，'),
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style: TextStyle(
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fontSize: 15,
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color: colors.onSurface,
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height: 1.5,
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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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Widget _buildIsbnSection(Book book) {
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final colors = Theme.of(context).colorScheme;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(
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width: 64,
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child: Text(
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'ISBN',
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style: TextStyle(
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fontSize: 13,
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color: colors.onSurface.withValues(alpha: 0.4),
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),
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),
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),
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Expanded(
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child: Text(
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book.isbn!,
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style: TextStyle(
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fontSize: 15,
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color: colors.onSurface,
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height: 1.5,
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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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Widget _buildPublisherSection(Book book) {
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final colors = Theme.of(context).colorScheme;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(
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width: 64,
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child: Text(
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'出版社',
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style: TextStyle(
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fontSize: 13,
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color: colors.onSurface.withValues(alpha: 0.4),
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),
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),
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),
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Expanded(
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child: Text(
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book.publisher!,
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style: TextStyle(
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fontSize: 15,
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color: colors.onSurface,
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height: 1.5,
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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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Widget _buildPublishDateSection(Book book) {
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final colors = Theme.of(context).colorScheme;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(
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width: 64,
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child: Text(
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'出版时间',
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style: TextStyle(
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fontSize: 13,
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color: colors.onSurface.withValues(alpha: 0.4),
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),
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),
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),
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Expanded(
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child: Text(
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'${book.publishDate!.year}年${book.publishDate!.month.toString().padLeft(2, '0')}月',
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style: TextStyle(
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fontSize: 15,
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color: colors.onSurface,
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height: 1.5,
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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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Widget _buildGenresSection(Book book) {
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final colors = Theme.of(context).colorScheme;
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return Padding(
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padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(
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width: 64,
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child: Text(
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'类型',
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style: TextStyle(
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fontSize: 13,
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color: colors.onSurface.withValues(alpha: 0.4),
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),
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),
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),
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Expanded(
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child: Wrap(
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spacing: 8,
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runSpacing: 8,
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children: book.genres.map((genre) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 4),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(4),
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),
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child: Text(
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genre,
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style: TextStyle(
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fontSize: 13,
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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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Widget _buildSummarySection(Book book) {
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final colors = Theme.of(context).colorScheme;
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return Padding(
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padding: const EdgeInsets.all(24),
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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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Container(
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width: 4,
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height: 16,
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decoration: BoxDecoration(
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color: colors.onSurface,
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borderRadius: BorderRadius.circular(2),
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),
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),
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const SizedBox(width: 8),
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Text(
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'简介',
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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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),
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),
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],
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),
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const SizedBox(height: 16),
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Container(
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padding: const EdgeInsets.all(20),
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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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),
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child: Text(
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book.summary!,
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style: TextStyle(
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fontSize: 15,
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color: colors.onSurface,
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height: 1.8,
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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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Widget _buildExtraSections(Book book) {
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final colors = Theme.of(context).colorScheme;
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return Padding(
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padding: const EdgeInsets.all(24),
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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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Container(
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width: 4,
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height: 16,
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decoration: BoxDecoration(
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color: colors.onSurface,
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borderRadius: BorderRadius.circular(2),
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),
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),
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const SizedBox(width: 8),
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Text(
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'更多',
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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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),
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),
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],
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),
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const SizedBox(height: 16),
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_buildExtraSectionItem(
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icon: Icons.rate_review_outlined,
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title: '书评',
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subtitleFuture: context.read<AppProvider>().getBookReviewCount(book.id),
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emptyText: '暂无书评',
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unit: '条书评',
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onTap: () => _navigateToReviews(book),
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),
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const SizedBox(height: 12),
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_buildExtraSectionItem(
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icon: Icons.format_quote_outlined,
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title: '摘抄',
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subtitleFuture: context.read<AppProvider>().getBookExcerptCount(book.id),
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emptyText: '暂无摘抄',
|
||
unit: '条摘抄',
|
||
onTap: () => _navigateToExcerpts(book),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _buildExtraSectionItem({
|
||
required IconData icon,
|
||
required String title,
|
||
required Future<int> subtitleFuture,
|
||
required String emptyText,
|
||
required String unit,
|
||
required VoidCallback onTap,
|
||
}) {
|
||
final colors = Theme.of(context).colorScheme;
|
||
return GestureDetector(
|
||
onTap: onTap,
|
||
child: Container(
|
||
padding: const EdgeInsets.all(16),
|
||
decoration: BoxDecoration(
|
||
color: colors.surfaceContainerHigh,
|
||
borderRadius: BorderRadius.circular(10),
|
||
border: Border.all(color: colors.outlineVariant, width: 0.5),
|
||
),
|
||
child: Row(
|
||
children: [
|
||
Container(
|
||
width: 40,
|
||
height: 40,
|
||
decoration: BoxDecoration(
|
||
color: colors.surface,
|
||
borderRadius: BorderRadius.circular(8),
|
||
border: Border.all(color: colors.outlineVariant, width: 0.5),
|
||
),
|
||
child: Icon(
|
||
icon,
|
||
size: 20,
|
||
color: colors.onSurface.withValues(alpha: 0.6),
|
||
),
|
||
),
|
||
const SizedBox(width: 12),
|
||
Expanded(
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
Text(
|
||
title,
|
||
style: TextStyle(
|
||
fontSize: 15,
|
||
fontWeight: FontWeight.w600,
|
||
color: colors.onSurface,
|
||
),
|
||
),
|
||
const SizedBox(height: 4),
|
||
FutureBuilder<int>(
|
||
future: subtitleFuture,
|
||
builder: (context, snapshot) {
|
||
final count = snapshot.data ?? 0;
|
||
return Text(
|
||
count > 0 ? '$count $unit' : emptyText,
|
||
style: TextStyle(
|
||
fontSize: 13,
|
||
color: colors.onSurface.withValues(alpha: 0.4),
|
||
),
|
||
);
|
||
},
|
||
),
|
||
],
|
||
),
|
||
),
|
||
Icon(
|
||
Icons.chevron_right,
|
||
color: colors.onSurface.withValues(alpha: 0.25),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
void _navigateToReviews(Book book) {
|
||
Navigator.push(
|
||
context,
|
||
MaterialPageRoute(
|
||
builder: (context) => BookReviewsPage(book: book),
|
||
),
|
||
);
|
||
}
|
||
|
||
void _navigateToExcerpts(Book book) {
|
||
Navigator.push(
|
||
context,
|
||
MaterialPageRoute(
|
||
builder: (context) => BookExcerptsPage(book: book),
|
||
),
|
||
);
|
||
}
|
||
|
||
String _formatDate(DateTime date) {
|
||
return '${date.year}-${date.month.toString().padLeft(2, '0')}-${date.day.toString().padLeft(2, '0')}';
|
||
}
|
||
|
||
void _navigateToEdit(BuildContext context) {
|
||
Navigator.pushNamed(context, '/book-form', arguments: widget.book).then((_) {
|
||
context.read<AppProvider>().loadBooks();
|
||
});
|
||
}
|
||
|
||
void _showDeleteDialog(BuildContext context) {
|
||
final colors = Theme.of(context).colorScheme;
|
||
showDialog(
|
||
context: context,
|
||
builder: (context) => 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"${widget.book.title}"吗？删除后可在回收站恢复。',
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
color: colors.onSurface.withValues(alpha: 0.6),
|
||
height: 1.5,
|
||
),
|
||
),
|
||
actions: [
|
||
TextButton(
|
||
onPressed: () => Navigator.pop(context),
|
||
style: TextButton.styleFrom(
|
||
foregroundColor: colors.onSurface.withValues(alpha: 0.6),
|
||
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
||
),
|
||
child: const Text('取消'),
|
||
),
|
||
ElevatedButton(
|
||
onPressed: () async {
|
||
await context.read<AppProvider>().removeBook(widget.book.id);
|
||
if (!mounted) return;
|
||
Navigator.pop(context);
|
||
Navigator.pop(context);
|
||
ToastUtil.show(context, '已删除');
|
||
},
|
||
style: ElevatedButton.styleFrom(
|
||
backgroundColor: colors.error,
|
||
foregroundColor: colors.onError,
|
||
elevation: 0,
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(8),
|
||
),
|
||
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
||
),
|
||
child: const Text('删除'),
|
||
),
|
||
],
|
||
actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
||
),
|
||
);
|
||
}
|
||
|
||
Future<void> _downloadCover(Book book) async {
|
||
if (book.coverPath == null || book.coverPath!.isEmpty) {
|
||
ToastUtil.show(context, '没有可下载的封面');
|
||
return;
|
||
}
|
||
|
||
try {
|
||
final sourceFile = File(book.coverPath!);
|
||
if (!await sourceFile.exists()) {
|
||
ToastUtil.show(context, '封面文件不存在');
|
||
return;
|
||
}
|
||
|
||
final timestamp = DateTime.now().millisecondsSinceEpoch;
|
||
final fileName = '${book.title}_${timestamp}_封面.jpg';
|
||
|
||
final tempDir = await Directory.systemTemp.createTemp();
|
||
final tempFile = File('${tempDir.path}/$fileName');
|
||
await sourceFile.copy(tempFile.path);
|
||
|
||
await Share.shareXFiles(
|
||
[XFile(tempFile.path)],
|
||
subject: '${book.title} 封面',
|
||
text: '下载自 MookNote',
|
||
);
|
||
} catch (e) {
|
||
ToastUtil.show(context, '下载失败: $e');
|
||
}
|
||
}
|
||
|
||
void _showSharePoster(Book book) {
|
||
Navigator.push(
|
||
context,
|
||
MaterialPageRoute(
|
||
builder: (context) => BookSharePage(book: book),
|
||
),
|
||
);
|
||
}
|
||
}
|