generated from dellevin/template
新增阅读器功能，待优化
This commit is contained in:
DelLevin-Home
187
lib/pages/reader/reader_book_detail_page.dart
Normal file
187
lib/pages/reader/reader_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 '../../models/reader_book.dart';
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import '../../providers/app_provider.dart';
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import '../../utils/book_file_helper.dart';
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import 'reading_page.dart';
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/// 阅读器书籍详情页
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class ReaderBookDetailPage extends StatefulWidget {
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final ReaderBook book;
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const ReaderBookDetailPage({super.key, required this.book});
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@override
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State<ReaderBookDetailPage> createState() => _ReaderBookDetailPageState();
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}
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class _ReaderBookDetailPageState extends State<ReaderBookDetailPage> {
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late String _title;
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late ReaderBook _book;
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@override
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void initState() {
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super.initState();
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_book = widget.book;
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_title = _book.title;
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}
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Future<void> _startReading() async {
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// 确保获取最新的book数据
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final provider = context.read<AppProvider>();
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final latest = provider.readerBooks.firstWhere(
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(b) => b.id == _book.id,
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orElse: () => _book,
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);
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if (context.mounted) {
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await Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => ReadingPage(book: latest),
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),
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);
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// 返回后刷新
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if (mounted) {
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await provider.loadReaderBooks();
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final updated = provider.readerBooks.firstWhere(
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(b) => b.id == _book.id,
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orElse: () => _book,
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);
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setState(() {
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_book = updated;
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});
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}
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}
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}
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Future<void> _deleteBook() async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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title: const Text('删除书籍'),
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content: Text('确定要删除「$_title」吗？\n此操作将同时删除书籍文件。'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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child: const Text('取消'),
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),
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TextButton(
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onPressed: () => Navigator.pop(ctx, true),
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child: const Text('删除', 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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if (confirmed == true) {
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await BookFileHelper.instance.deleteBookFiles(_book.id);
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await context.read<AppProvider>().removeReaderBook(_book.id);
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if (mounted) {
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Navigator.pop(context);
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}
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}
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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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return Scaffold(
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backgroundColor: colors.surface,
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appBar: AppBar(
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title: const Text('书籍详情'),
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),
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body: SingleChildScrollView(
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padding: const EdgeInsets.all(20),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 占位书封
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Center(
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child: Container(
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width: 140,
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height: 200,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(12),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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child: Icon(Icons.menu_book, size: 64, color: colors.onSurface.withValues(alpha: 0.2)),
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),
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),
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const SizedBox(height: 24),
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// 书名
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Text('书名', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 4),
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Text(_title, style: TextStyle(fontSize: 20, fontWeight: FontWeight.w600, color: colors.onSurface)),
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const SizedBox(height: 16),
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// 文件名
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Text('文件', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 4),
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Text('${_book.fileName} (.${_book.fileExtension})',
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style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6))),
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const SizedBox(height: 16),
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// 阅读进度
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Text('阅读进度', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 8),
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Row(
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children: [
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Expanded(
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child: ClipRRect(
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borderRadius: BorderRadius.circular(4),
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child: LinearProgressIndicator(
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value: _book.readingPercentage,
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minHeight: 8,
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backgroundColor: colors.surfaceContainerHighest,
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),
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),
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),
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const SizedBox(width: 12),
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Text('${(_book.readingPercentage * 100).toStringAsFixed(1)}%',
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style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: colors.onSurface)),
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],
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),
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const SizedBox(height: 16),
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// 导入时间
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Text('导入时间', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 4),
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Text(_book.createdAt.toString().substring(0, 10),
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style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6))),
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const SizedBox(height: 40),
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// 底部按钮
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Row(
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children: [
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Expanded(
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child: OutlinedButton(
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onPressed: _deleteBook,
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style: OutlinedButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 14),
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),
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child: const Text('删除'),
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),
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),
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const SizedBox(width: 16),
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Expanded(
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flex: 2,
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child: FilledButton(
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onPressed: _startReading,
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style: FilledButton.styleFrom(
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padding: const EdgeInsets.symmetric(vertical: 14),
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),
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child: const Text('阅读'),
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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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}
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}
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