generated from dellevin/template
新增阅读器功能,待优化
This commit is contained in:
182
lib/pages/reader/bookshelf_page.dart
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182
lib/pages/reader/bookshelf_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 '../../service/book_import_service.dart';
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import 'reader_book_detail_page.dart';
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/// 书架页面 — 展示导入的阅读器书籍,支持网格/列表切换
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class BookshelfPage extends StatefulWidget {
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const BookshelfPage({super.key});
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@override
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State<BookshelfPage> createState() => _BookshelfPageState();
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}
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class _BookshelfPageState extends State<BookshelfPage> {
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bool _isGridView = true;
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Future<void> _importBook() async {
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final provider = context.read<AppProvider>();
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await BookImportService.pickAndImportBook(context, provider);
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}
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void _openBookDetail(ReaderBook book) {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => ReaderBookDetailPage(book: book),
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),
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).then((_) {
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context.read<AppProvider>().loadReaderBooks();
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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('阅读器'),
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actions: [
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IconButton(
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icon: Icon(_isGridView ? Icons.view_list : Icons.grid_view),
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tooltip: _isGridView ? '列表视图' : '网格视图',
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onPressed: () {
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setState(() {
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_isGridView = !_isGridView;
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});
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},
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),
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IconButton(
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icon: const Icon(Icons.add),
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tooltip: '导入书籍',
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onPressed: _importBook,
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),
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],
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),
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body: Consumer<AppProvider>(
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builder: (context, provider, child) {
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final books = provider.readerBooks;
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if (books.isEmpty) {
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return Center(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(Icons.menu_book_outlined, size: 64, color: colors.onSurface.withValues(alpha: 0.15)),
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const SizedBox(height: 16),
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Text('点击右上角导入书籍',
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style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.3))),
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],
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),
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);
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}
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if (_isGridView) {
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return GridView.builder(
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padding: const EdgeInsets.all(16),
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gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount(
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crossAxisCount: 3,
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mainAxisSpacing: 16,
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crossAxisSpacing: 12,
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childAspectRatio: 0.65,
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),
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itemCount: books.length,
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itemBuilder: (context, index) => _buildGridViewItem(books[index], colors),
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);
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}
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return ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: books.length,
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itemBuilder: (context, index) => _buildListViewItem(books[index], colors),
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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 _buildGridViewItem(ReaderBook book, ColorScheme colors) {
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return GestureDetector(
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onTap: () => _openBookDetail(book),
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child: Column(
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mainAxisSize: MainAxisSize.min,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Expanded(
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child: Container(
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width: double.infinity,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(10),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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child: Center(
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child: Icon(Icons.menu_book, size: 40, color: colors.onSurface.withValues(alpha: 0.2)),
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),
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),
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),
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const SizedBox(height: 6),
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Text(book.title,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(fontSize: 12, fontWeight: FontWeight.w500, color: colors.onSurface)),
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if (book.readingPercentage > 0)
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Padding(
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padding: const EdgeInsets.only(top: 1),
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child: Text('${(book.readingPercentage * 100).toStringAsFixed(0)}%',
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style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.3))),
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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 _buildListViewItem(ReaderBook book, ColorScheme colors) {
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return GestureDetector(
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onTap: () => _openBookDetail(book),
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child: Container(
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margin: const EdgeInsets.only(bottom: 12),
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padding: const EdgeInsets.all(12),
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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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),
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child: Row(
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children: [
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Container(
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width: 48,
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height: 64,
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(8),
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),
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child: Icon(Icons.menu_book, size: 24, color: colors.onSurface.withValues(alpha: 0.2)),
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),
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const SizedBox(width: 14),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(book.title,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyle(fontSize: 15, fontWeight: FontWeight.w500, color: colors.onSurface)),
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const SizedBox(height: 4),
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Text('.${book.fileExtension}',
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style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.3))),
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],
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),
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),
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if (book.readingPercentage > 0)
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Text('${(book.readingPercentage * 100).toStringAsFixed(0)}%',
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style: TextStyle(fontSize: 13, 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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