generated from dellevin/template
497 lines
18 KiB
Dart
497 lines
18 KiB
Dart
import 'dart:io';
|
|
import 'package:flutter/material.dart';
|
|
import 'package:file_picker/file_picker.dart';
|
|
import '../../data/epub/reader_dao.dart';
|
|
import '../../services/epub/epub_service.dart';
|
|
import '../../utils/user_prefs.dart';
|
|
import '../../utils/responsive.dart';
|
|
import '../../utils/toast_util.dart';
|
|
import 'epub_detail_page.dart';
|
|
import 'widgets/book_grid_item.dart';
|
|
|
|
/// EPUB 书架页面
|
|
class EpubLibraryPage extends StatefulWidget {
|
|
const EpubLibraryPage({super.key});
|
|
|
|
@override
|
|
State<EpubLibraryPage> createState() => _EpubLibraryPageState();
|
|
}
|
|
|
|
class _EpubLibraryPageState extends State<EpubLibraryPage> {
|
|
final ReaderDao _dao = ReaderDao();
|
|
final EpubService _service = EpubService();
|
|
List<Map<String, dynamic>> _books = [];
|
|
List<Map<String, dynamic>> _filteredBooks = [];
|
|
bool _isLoading = true;
|
|
bool _isSearching = false;
|
|
final TextEditingController _searchCtrl = TextEditingController();
|
|
ViewMode _viewMode = UserPrefs().epubViewMode == 1
|
|
? ViewMode.compact
|
|
: ViewMode.relaxed;
|
|
int _sortMode = UserPrefs().epubSortMode;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
_loadBooks();
|
|
}
|
|
|
|
Future<void> _loadBooks() async {
|
|
if (mounted) setState(() => _isLoading = true);
|
|
final books = await _dao.getAllReaderBooks(sortMode: _sortMode);
|
|
if (mounted) {
|
|
setState(() {
|
|
_books = books;
|
|
_isLoading = false;
|
|
_applyFilter();
|
|
});
|
|
}
|
|
}
|
|
|
|
void _applyFilter() {
|
|
final query = _searchCtrl.text.trim().toLowerCase();
|
|
if (query.isEmpty) {
|
|
_filteredBooks = _books;
|
|
} else {
|
|
_filteredBooks = _books.where((b) {
|
|
final title = (b['title'] as String? ?? '').toLowerCase();
|
|
final author = (b['author'] as String? ?? '').toLowerCase();
|
|
return title.contains(query) || author.contains(query);
|
|
}).toList();
|
|
}
|
|
}
|
|
|
|
void _onSearchChanged() {
|
|
setState(() => _applyFilter());
|
|
}
|
|
|
|
void _toggleSearch() {
|
|
setState(() {
|
|
_isSearching = !_isSearching;
|
|
if (!_isSearching) {
|
|
_searchCtrl.clear();
|
|
_applyFilter();
|
|
}
|
|
});
|
|
}
|
|
|
|
Future<void> _pickAndImport() async {
|
|
final result = await FilePicker.platform.pickFiles(
|
|
type: FileType.custom,
|
|
allowedExtensions: ['epub'],
|
|
);
|
|
if (result == null || result.files.isEmpty) return;
|
|
final path = result.files.single.path;
|
|
if (path == null) return;
|
|
if (!path.toLowerCase().endsWith('.epub')) {
|
|
if (mounted) {
|
|
ToastUtil.show(context, '\u4EC5\u652F\u6301\u5BFC\u5165 .epub \u683C\u5F0F\u7684\u6587\u4EF6');
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (!mounted) return;
|
|
showDialog(
|
|
context: context,
|
|
barrierDismissible: false,
|
|
builder: (_) => const Center(child: CircularProgressIndicator()),
|
|
);
|
|
|
|
final imported = await _service.importBook(path);
|
|
|
|
if (mounted) Navigator.pop(context);
|
|
|
|
if (imported != null) {
|
|
await _loadBooks();
|
|
} else if (mounted) {
|
|
ToastUtil.show(context, 'EPUB \u89E3\u6790\u5931\u8D25\uFF0C\u8BF7\u68C0\u67E5\u6587\u4EF6');
|
|
}
|
|
}
|
|
|
|
Future<void> _deleteBook(Map<String, dynamic> book) async {
|
|
final colors = Theme.of(context).colorScheme;
|
|
final confirm = await showDialog<bool>(
|
|
context: context,
|
|
builder: (ctx) => AlertDialog(
|
|
backgroundColor: colors.surface,
|
|
elevation: 0,
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
|
|
title: Text('删除书籍',
|
|
style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
|
content: Text('确定删除《${book['title']}》？',
|
|
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.5)),
|
|
actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
|
actions: [
|
|
TextButton(
|
|
style: TextButton.styleFrom(
|
|
foregroundColor: colors.onSurface.withValues(alpha: 0.6),
|
|
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
|
),
|
|
onPressed: () => Navigator.pop(ctx, false),
|
|
child: const Text('取消'),
|
|
),
|
|
ElevatedButton(
|
|
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),
|
|
),
|
|
onPressed: () => Navigator.pop(ctx, true),
|
|
child: const Text('删除'),
|
|
),
|
|
],
|
|
),
|
|
);
|
|
if (confirm == true) {
|
|
await _service.deleteBook(book['id']);
|
|
await _loadBooks();
|
|
}
|
|
}
|
|
|
|
void _openBook(Map<String, dynamic> book) {
|
|
Navigator.push(
|
|
context,
|
|
MaterialPageRoute(
|
|
builder: (_) => EpubDetailPage(bookId: book['id'], book: book),
|
|
),
|
|
).then((_) => _loadBooks());
|
|
}
|
|
|
|
void _toggleViewMode() {
|
|
setState(() {
|
|
_viewMode =
|
|
_viewMode == ViewMode.relaxed ? ViewMode.compact : ViewMode.relaxed;
|
|
});
|
|
UserPrefs().setEpubViewMode(_viewMode == ViewMode.compact ? 1 : 0);
|
|
}
|
|
|
|
void _showSortMenu() {
|
|
final colors = Theme.of(context).colorScheme;
|
|
final options = [
|
|
(0, '按更新时间排序', Icons.update),
|
|
(1, '按创建时间排序', Icons.calendar_today_outlined),
|
|
(2, '按阅读进度排序', Icons.auto_stories_outlined),
|
|
(3, '按书名排序', Icons.sort_by_alpha),
|
|
];
|
|
showModalBottomSheet(
|
|
context: context,
|
|
backgroundColor: colors.surface,
|
|
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(16))),
|
|
builder: (ctx) => SafeArea(
|
|
child: Column(mainAxisSize: MainAxisSize.min, children: [
|
|
Container(width: 36, height: 4, margin: const EdgeInsets.only(top: 12, bottom: 16),
|
|
decoration: BoxDecoration(color: colors.onSurface.withValues(alpha: 0.15), borderRadius: BorderRadius.circular(2))),
|
|
Align(alignment: Alignment.centerLeft, child: Padding(padding: const EdgeInsets.symmetric(horizontal: 20),
|
|
child: Text('书架排序', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface)))),
|
|
const SizedBox(height: 8),
|
|
for (int i = 0; i < options.length; i++) ...[
|
|
if (i > 0) Divider(height: 0.5, indent: 20, endIndent: 20, color: colors.outlineVariant),
|
|
_sortOption(ctx, options[i].$1, options[i].$2, options[i].$3, colors),
|
|
],
|
|
const SizedBox(height: 12),
|
|
]),
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _sortOption(BuildContext ctx, int value, String label, IconData icon, ColorScheme colors) {
|
|
final selected = _sortMode == value;
|
|
return ListTile(
|
|
contentPadding: const EdgeInsets.symmetric(horizontal: 20),
|
|
leading: Container(width: 36, height: 36, decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)),
|
|
child: Icon(icon, size: 20, color: selected ? colors.primary : colors.onSurface.withValues(alpha: 0.6))),
|
|
title: Text(label, style: TextStyle(fontSize: 14, fontWeight: selected ? FontWeight.w600 : FontWeight.w400, color: colors.onSurface)),
|
|
trailing: selected ? Icon(Icons.check, size: 20, color: colors.primary) : null,
|
|
onTap: () {
|
|
Navigator.pop(ctx);
|
|
if (_sortMode != value) {
|
|
setState(() => _sortMode = value);
|
|
UserPrefs().setEpubSortMode(value);
|
|
_loadBooks();
|
|
}
|
|
},
|
|
);
|
|
}
|
|
|
|
@override
|
|
void dispose() {
|
|
_searchCtrl.dispose();
|
|
super.dispose();
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final colors = Theme.of(context).colorScheme;
|
|
final isWin = Platform.isWindows;
|
|
return Scaffold(
|
|
backgroundColor: colors.surface,
|
|
appBar: isWin ? null : AppBar(
|
|
backgroundColor: colors.surface,
|
|
elevation: 0,
|
|
title: _isSearching
|
|
? TextField(
|
|
controller: _searchCtrl,
|
|
autofocus: true,
|
|
style: TextStyle(fontSize: 16, color: colors.onSurface),
|
|
decoration: InputDecoration(
|
|
hintText: '搜索书名或作者',
|
|
hintStyle: TextStyle(color: colors.onSurface.withValues(alpha: 0.35)),
|
|
border: InputBorder.none,
|
|
),
|
|
onChanged: (_) => _onSearchChanged(),
|
|
)
|
|
: Text('EPUB 阅读',
|
|
style: TextStyle(fontSize: 17, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
|
leading: IconButton(
|
|
icon: Icon(_isSearching ? Icons.close : Icons.arrow_back, size: 20),
|
|
onPressed: _isSearching ? _toggleSearch : () => Navigator.pop(context),
|
|
),
|
|
actions: _buildActions(colors),
|
|
),
|
|
body: Column(children: [
|
|
// Windows: 自定义顶栏
|
|
if (isWin)
|
|
Container(
|
|
height: 52,
|
|
decoration: BoxDecoration(color: colors.surface,
|
|
border: Border(bottom: BorderSide(color: colors.outlineVariant, width: 0.5))),
|
|
child: Row(children: [
|
|
const SizedBox(width: 8),
|
|
IconButton(icon: Icon(_isSearching ? Icons.close : Icons.arrow_back, color: colors.onSurface, size: 18),
|
|
onPressed: _isSearching ? _toggleSearch : () => Navigator.pop(context)),
|
|
Expanded(child: _isSearching
|
|
? TextField(controller: _searchCtrl, autofocus: true,
|
|
style: TextStyle(fontSize: 14, color: colors.onSurface),
|
|
decoration: InputDecoration(hintText: '搜索书名或作者',
|
|
hintStyle: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.35)),
|
|
border: InputBorder.none, isDense: true, contentPadding: EdgeInsets.zero),
|
|
onChanged: (_) => _onSearchChanged())
|
|
: Text('EPUB 阅读',
|
|
style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: colors.onSurface.withValues(alpha: 0.6)))),
|
|
..._buildActions(colors),
|
|
]),
|
|
),
|
|
// 主体
|
|
Expanded(child: _isLoading
|
|
? Center(child: CircularProgressIndicator(color: colors.primary))
|
|
: _books.isEmpty
|
|
? _buildEmpty(colors)
|
|
: _filteredBooks.isEmpty
|
|
? Center(child: Text('无搜索结果', style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.35))))
|
|
: _buildGrid(colors)),
|
|
]),
|
|
);
|
|
}
|
|
|
|
List<Widget> _buildActions(ColorScheme colors) {
|
|
return [
|
|
if (!_isSearching)
|
|
IconButton(
|
|
icon: Icon(Icons.search, size: 20, color: colors.onSurface.withValues(alpha: 0.6)),
|
|
onPressed: _toggleSearch,
|
|
),
|
|
IconButton(
|
|
icon: Icon(
|
|
_viewMode == ViewMode.relaxed
|
|
? Icons.view_compact_outlined
|
|
: Icons.view_agenda_outlined,
|
|
size: 20,
|
|
color: colors.onSurface.withValues(alpha: 0.6),
|
|
),
|
|
onPressed: _toggleViewMode,
|
|
),
|
|
IconButton(
|
|
icon: Icon(Icons.sort, size: 20, color: colors.onSurface.withValues(alpha: 0.6)),
|
|
onPressed: _showSortMenu,
|
|
),
|
|
IconButton(
|
|
icon: Icon(Icons.add_outlined, size: 20, color: colors.onSurface.withValues(alpha: 0.6)),
|
|
onPressed: _pickAndImport,
|
|
),
|
|
const SizedBox(width: 4),
|
|
];
|
|
}
|
|
|
|
Widget _buildEmpty(ColorScheme colors) {
|
|
return Center(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(40),
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
children: [
|
|
Container(
|
|
width: 80, height: 80,
|
|
decoration: BoxDecoration(
|
|
color: colors.surfaceContainerHighest,
|
|
borderRadius: BorderRadius.circular(20),
|
|
),
|
|
child: Icon(Icons.auto_stories_outlined,
|
|
size: 40, color: colors.onSurface.withValues(alpha: 0.25)),
|
|
),
|
|
const SizedBox(height: 24),
|
|
Text('EPUB 阅读',
|
|
style: TextStyle(fontSize: 20, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
|
const SizedBox(height: 8),
|
|
Text('点击右上角导入 .epub 文件',
|
|
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.4))),
|
|
const SizedBox(height: 32),
|
|
GestureDetector(
|
|
onTap: _pickAndImport,
|
|
child: Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 32, vertical: 14),
|
|
decoration: BoxDecoration(
|
|
color: colors.primary,
|
|
borderRadius: BorderRadius.circular(24),
|
|
),
|
|
child: Text('导入 EPUB',
|
|
style: TextStyle(fontSize: 15, color: colors.onPrimary, fontWeight: FontWeight.w500)),
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Widget _buildGrid(ColorScheme colors) {
|
|
final bool showList = _viewMode == ViewMode.compact;
|
|
|
|
if (showList) {
|
|
return _buildListView(colors);
|
|
}
|
|
return _buildGridView(colors);
|
|
}
|
|
|
|
Widget _buildGridView(ColorScheme colors) {
|
|
return LayoutBuilder(
|
|
builder: (context, constraints) {
|
|
final count = responsiveCrossAxisCount(constraints.maxWidth, minItemWidth: 120);
|
|
return GridView.builder(
|
|
padding: const EdgeInsets.fromLTRB(16, 16, 16, 100),
|
|
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
|
|
crossAxisCount: count,
|
|
crossAxisSpacing: 12,
|
|
mainAxisSpacing: 16,
|
|
childAspectRatio: 0.55,
|
|
),
|
|
itemCount: _filteredBooks.length,
|
|
itemBuilder: (context, index) {
|
|
final book = _filteredBooks[index];
|
|
return BookGridItem(
|
|
book: book,
|
|
viewMode: ViewMode.relaxed,
|
|
onTap: () => _openBook(book),
|
|
onLongPress: () => _deleteBook(book),
|
|
);
|
|
},
|
|
);
|
|
},
|
|
);
|
|
}
|
|
|
|
Widget _buildListView(ColorScheme colors) {
|
|
return ListView.builder(
|
|
padding: const EdgeInsets.fromLTRB(12, 8, 12, 100),
|
|
itemCount: _filteredBooks.length,
|
|
itemBuilder: (context, index) {
|
|
final book = _filteredBooks[index];
|
|
final title = book['title'] as String? ?? '';
|
|
final author = book['author'] as String? ?? '';
|
|
final coverPath = book['cover_path'] as String?;
|
|
final progress = (book['reading_percentage'] as num?)?.toDouble() ?? 0.0;
|
|
|
|
// 阅读状态推断
|
|
final String statusLabel;
|
|
final Color statusColor;
|
|
if (progress >= 1.0) {
|
|
statusLabel = '已读';
|
|
statusColor = const Color(0xFF16A34A);
|
|
} else if (progress > 0.0) {
|
|
statusLabel = '在读';
|
|
statusColor = colors.primary;
|
|
} else {
|
|
statusLabel = '未读';
|
|
statusColor = const Color(0xFFDC2626);
|
|
}
|
|
|
|
return GestureDetector(
|
|
onTap: () => _openBook(book),
|
|
onLongPress: () => _deleteBook(book),
|
|
child: Container(
|
|
margin: const EdgeInsets.only(bottom: 8),
|
|
padding: const EdgeInsets.all(12),
|
|
decoration: BoxDecoration(
|
|
color: colors.surfaceContainerHigh,
|
|
borderRadius: BorderRadius.circular(12),
|
|
),
|
|
child: Row(
|
|
children: [
|
|
// 封面
|
|
Container(
|
|
width: 48, height: 64,
|
|
decoration: BoxDecoration(
|
|
color: colors.outlineVariant,
|
|
borderRadius: BorderRadius.circular(6),
|
|
),
|
|
clipBehavior: Clip.antiAlias,
|
|
child: _buildCover(coverPath, colors),
|
|
),
|
|
const SizedBox(width: 12),
|
|
// 信息
|
|
Expanded(
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(title, maxLines: 1, overflow: TextOverflow.ellipsis,
|
|
style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
|
if (author.isNotEmpty) ...[
|
|
const SizedBox(height: 3),
|
|
Text(author, maxLines: 1, overflow: TextOverflow.ellipsis,
|
|
style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.35))),
|
|
],
|
|
const SizedBox(height: 6),
|
|
// 状态标签
|
|
Container(
|
|
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
|
|
decoration: BoxDecoration(
|
|
color: statusColor.withValues(alpha: 0.1),
|
|
borderRadius: BorderRadius.circular(4),
|
|
),
|
|
child: Text(statusLabel,
|
|
style: TextStyle(fontSize: 11, fontWeight: FontWeight.w500, color: statusColor)),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
const SizedBox(width: 8),
|
|
Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.2), size: 20),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
},
|
|
);
|
|
}
|
|
|
|
Widget _buildCover(String? path, ColorScheme colors) {
|
|
if (path != null && path.isNotEmpty && File(path).existsSync()) {
|
|
return ClipRRect(
|
|
borderRadius: BorderRadius.circular(6),
|
|
child: Image.file(File(path), fit: BoxFit.cover,
|
|
width: double.infinity, height: double.infinity),
|
|
);
|
|
}
|
|
return Container(
|
|
decoration: BoxDecoration(
|
|
color: colors.outlineVariant,
|
|
borderRadius: BorderRadius.circular(6),
|
|
),
|
|
child: Icon(Icons.auto_stories_outlined, size: 22,
|
|
color: colors.onSurface.withValues(alpha: 0.25)),
|
|
);
|
|
}
|
|
|
|
}
|