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DelLevin-Home
2026-07-16 03:13:30 +08:00
parent a8842fe91d
commit 1aab6858a7
12 changed files with 1217 additions and 1306 deletions
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477
lib/pages/epub_reader/epub_library_page.dart
View File

@@ -1,13 +1,12 @@
import 'dart:io';
import 'dart:ui';
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 {
@@ -25,9 +24,6 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
bool _isLoading = true;
bool _isSearching = false;
final TextEditingController _searchCtrl = TextEditingController();
ViewMode _viewMode = UserPrefs().epubViewMode == 1
? ViewMode.compact
: ViewMode.relaxed;
int _sortMode = UserPrefs().epubSortMode;
@override
@@ -156,15 +152,9 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
MaterialPageRoute(
builder: (_) => EpubDetailPage(bookId: book['id'], book: book),
),
).then((_) => _loadBooks());
}
void _toggleViewMode() {
setState(() {
_viewMode =
_viewMode == ViewMode.relaxed ? ViewMode.compact : ViewMode.relaxed;
).then((_) {
if (mounted) _loadBooks();
});
UserPrefs().setEpubViewMode(_viewMode == ViewMode.compact ? 1 : 0);
}
void _showSortMenu() {
@@ -215,6 +205,16 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
);
}
/// 找到最近在读的书（进度 > 0 且 < 1，按更新时间排序取第一本）
Map<String, dynamic>? get _lastReadingBook {
final reading = _books.where((b) {
final p = (b['reading_percentage'] as num?)?.toDouble() ?? 0.0;
return p > 0.0 && p < 1.0;
}).toList();
if (reading.isEmpty) return null;
return reading.first;
}
@override
void dispose() {
_searchCtrl.dispose();
@@ -280,11 +280,203 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
? _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)),
: RefreshIndicator(
color: colors.primary,
onRefresh: _loadBooks,
child: _buildContent(colors),
)),
]),
);
}
/// 主体内容：继续阅读横幅 + 书架列表
Widget _buildContent(ColorScheme colors) {
final lastBook = _lastReadingBook;
return CustomScrollView(
slivers: [
// 继续阅读横幅
if (lastBook != null && !_isSearching)
SliverToBoxAdapter(child: _buildContinueReading(colors, lastBook)),
// 书架列表
_buildSliverListView(colors),
],
);
}
/// 继续阅读横幅卡片 — 封面背景 + 毛玻璃
Widget _buildContinueReading(ColorScheme colors, Map<String, dynamic> book) {
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;
final percentStr = '${(progress * 100).toInt()}%';
final hasCover = coverPath != null && coverPath.isNotEmpty && File(coverPath).existsSync();
return Padding(
padding: const EdgeInsets.fromLTRB(16, 16, 16, 0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
GestureDetector(
onTap: () => _openBook(book),
child: ClipRRect(
borderRadius: BorderRadius.circular(16),
child: Stack(
fit: StackFit.passthrough,
children: [
// 底层：封面图做背景
if (hasCover)
SizedBox(
height: 140,
width: double.infinity,
child: Image.file(
File(coverPath!),
fit: BoxFit.cover,
errorBuilder: (_, __, ___) => Container(color: colors.primaryContainer),
),
),
// 毛玻璃遮罩层
ClipRRect(
child: BackdropFilter(
filter: ImageFilter.blur(sigmaX: 16, sigmaY: 16),
child: Container(
height: 140,
padding: const EdgeInsets.all(16),
decoration: BoxDecoration(
color: colors.surface.withValues(alpha: 0.35),
borderRadius: hasCover ? BorderRadius.zero : BorderRadius.circular(16),
),
child: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 封面
Container(
width: 56,
height: 78,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(8),
color: colors.outlineVariant,
boxShadow: [
BoxShadow(
color: colors.shadow.withValues(alpha: 0.2),
blurRadius: 8,
offset: const Offset(2, 3),
),
],
),
clipBehavior: Clip.antiAlias,
child: _buildCover(coverPath, colors),
),
const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(title,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 16,
fontWeight: FontWeight.w700,
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: 0.55),
)),
],
const Spacer(),
// 进度条 + 百分比
Row(
children: [
Expanded(
child: ClipRRect(
borderRadius: BorderRadius.circular(4),
child: LinearProgressIndicator(
value: progress,
minHeight: 6,
backgroundColor: colors.primary.withValues(alpha: 0.15),
valueColor: AlwaysStoppedAnimation<Color>(colors.primary),
),
),
),
const SizedBox(width: 10),
Text(percentStr,
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.w700,
color: colors.primary,
)),
],
),
const SizedBox(height: 10),
// 继续阅读按钮
Align(
alignment: Alignment.centerRight,
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 7),
decoration: BoxDecoration(
color: colors.primary,
borderRadius: BorderRadius.circular(20),
),
child: Row(
mainAxisSize: MainAxisSize.min,
children: [
Icon(Icons.play_arrow_rounded, size: 16, color: colors.onPrimary),
const SizedBox(width: 4),
Text('继续阅读',
style: TextStyle(
fontSize: 12,
fontWeight: FontWeight.w600,
color: colors.onPrimary,
)),
],
),
),
),
],
),
),
],
),
),
),
),
],
),
),
),
// 书架分隔
Padding(
padding: const EdgeInsets.only(top: 20, left: 4, bottom: 4),
child: Row(
children: [
Text('书架',
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
color: colors.onSurface.withValues(alpha: 0.45),
)),
const SizedBox(width: 8),
Expanded(
child: Container(
height: 0.5,
color: colors.outlineVariant,
),
),
],
),
),
],
),
);
}
List<Widget> _buildActions(ColorScheme colors) {
return [
if (!_isSearching)
@@ -292,16 +484,6 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
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,
@@ -355,104 +537,90 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
);
}
Widget _buildGrid(ColorScheme colors) {
final bool showList = _viewMode == ViewMode.compact;
// ─── Sliver 书架 ────────────────────────────────────────────────────
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 _buildSliverListView(ColorScheme colors) {
return SliverPadding(
padding: const EdgeInsets.fromLTRB(12, 8, 12, 100),
sliver: SliverList(
delegate: SliverChildBuilderDelegate(
(context, index) => _buildListItem(colors, _filteredBooks[index]),
childCount: _filteredBooks.length,
),
),
);
}
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;
Widget _buildListItem(ColorScheme colors, Map<String, dynamic> book) {
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;
final updatedAt = book['updated_at'] as String?;
// 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);
}
// 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),
// 最后阅读时间
String? lastReadText;
if (updatedAt != null && updatedAt.isNotEmpty) {
try {
final dt = DateTime.parse(updatedAt);
lastReadText = _formatRelativeDate(dt);
} catch (_) {}
}
return RepaintBoundary(
child: 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),
),
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,
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 + 最后阅读时间
Row(
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(
@@ -462,16 +630,51 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
child: Text(statusLabel,
style: TextStyle(fontSize: 11, fontWeight: FontWeight.w500, color: statusColor)),
),
if (lastReadText != null) ...[
const SizedBox(width: 8),
Text(lastReadText,
style: TextStyle(
fontSize: 11,
color: colors.onSurface.withValues(alpha: 0.3),
)),
],
],
),
),
const SizedBox(width: 8),
Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.2), size: 20),
],
// 进度条
if (progress > 0 && progress < 1.0) ...[
const SizedBox(height: 6),
Row(
children: [
Expanded(
child: ClipRRect(
borderRadius: BorderRadius.circular(2),
child: LinearProgressIndicator(
value: progress,
minHeight: 3,
backgroundColor: colors.outlineVariant,
valueColor: AlwaysStoppedAnimation<Color>(colors.primary),
),
),
),
const SizedBox(width: 8),
Text('${(progress * 100).toInt()}%',
style: TextStyle(
fontSize: 11,
fontWeight: FontWeight.w500,
color: colors.primary,
)),
],
),
],
],
),
),
),
);
},
const SizedBox(width: 8),
Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.2), size: 20),
],
),
),
),
);
}
@@ -479,8 +682,17 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
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),
child: Image.file(
File(path),
fit: BoxFit.cover,
width: double.infinity,
height: double.infinity,
errorBuilder: (_, __, ___) => Container(
color: colors.outlineVariant,
child: Icon(Icons.auto_stories_outlined, size: 22,
color: colors.onSurface.withValues(alpha: 0.25)),
),
),
);
}
return Container(
@@ -493,4 +705,23 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
);
}
/// 相对时间格式化
String _formatRelativeDate(DateTime date) {
final now = DateTime.now();
final diff = now.difference(date);
if (diff.isNegative) return '${date.month}月${date.day}日';
if (diff.inDays == 0) {
if (diff.inHours == 0) {
if (diff.inMinutes == 0) return '刚刚';
return '${diff.inMinutes}分钟前';
}
return '${diff.inHours}小时前';
} else if (diff.inDays < 7) {
return '${diff.inDays}天前';
} else if (diff.inDays < 30) {
return '${(diff.inDays / 7).floor()}周前';
} else {
return '${date.month}月${date.day}日';
}
}
}

115
lib/pages/epub_reader/widgets/book_grid_item.dart
View File

@@ -24,13 +24,15 @@ class BookGridItem extends StatelessWidget {
@override
Widget build(BuildContext context) {
return GestureDetector(
return RepaintBoundary(
child: GestureDetector(
onTap: onTap,
onLongPress: onLongPress,
child: switch (viewMode) {
ViewMode.relaxed => _buildRelaxed(context),
ViewMode.compact => _buildCompact(context),
},
),
);
}
@@ -41,6 +43,7 @@ class BookGridItem extends StatelessWidget {
final colors = Theme.of(context).colorScheme;
final title = book['title'] as String? ?? '';
final author = book['author'] as String? ?? '';
final progress = _readingProgress;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
@@ -59,8 +62,16 @@ class BookGridItem extends StatelessWidget {
),
clipBehavior: Clip.antiAlias,
child: _buildCoverStack(context, fit: StackFit.expand, extras: [
// 阅读状态角标
_buildStatusBadge(context),
// 阅读状态圆点
_buildStatusDot(context),
// 底部进度条
if (progress > 0 && progress < 1.0)
Positioned(
bottom: 0,
left: 0,
right: 0,
child: _buildProgressBar(context, progress, height: 3),
),
]),
),
),
@@ -95,13 +106,22 @@ class BookGridItem extends StatelessWidget {
Widget _buildCompact(BuildContext context) {
final title = book['title'] as String? ?? '';
final author = book['author'] as String? ?? '';
final progress = _readingProgress;
return _buildCoverStack(
context,
fit: StackFit.expand,
extras: [
// 阅读状态角标
_buildStatusBadge(context),
// 阅读状态圆点
_buildStatusDot(context),
// 底部进度条
if (progress > 0 && progress < 1.0)
Positioned(
bottom: 0,
left: 0,
right: 0,
child: _buildProgressBar(context, progress, height: 3),
),
Positioned(
bottom: 0,
left: 0,
@@ -193,23 +213,30 @@ class BookGridItem extends StatelessWidget {
}
Widget _buildPlaceholder(BuildContext context) {
final colors = Theme.of(context).colorScheme;
final title = book['title'] as String? ?? '';
final initial = title.isNotEmpty ? title.substring(0, 1) : '';
// 根据书名首字生成渐变色
final gradientColors = _generateGradientColors(initial);
return Container(
color: colors.surfaceContainerHighest,
decoration: BoxDecoration(
gradient: LinearGradient(
begin: Alignment.topLeft,
end: Alignment.bottomRight,
colors: gradientColors,
),
),
child: Center(
child: initial.isNotEmpty
? Text(initial,
style: TextStyle(
fontSize: 32,
fontWeight: FontWeight.w600,
color: colors.onSurface.withValues(alpha: 0.2),
color: Colors.white.withValues(alpha: 0.85),
))
: Icon(
Icons.auto_stories_outlined,
size: 36,
color: colors.onSurface.withValues(alpha: 0.2),
color: Colors.white.withValues(alpha: 0.5),
),
),
);
@@ -217,44 +244,76 @@ class BookGridItem extends StatelessWidget {
// ─── badge helpers ────────────────────────────────────────────────────────
/// 阅读状态角标（左上角，含百分比）
Widget _buildStatusBadge(BuildContext context) {
/// 阅读状态圆点（左上角，三色）
Widget _buildStatusDot(BuildContext context) {
final colors = Theme.of(context).colorScheme;
final progress = _readingProgress;
final String label;
final Color color;
final Color dotColor;
if (progress >= 1.0) {
label = '已读';
color = const Color(0xFF16A34A);
dotColor = const Color(0xFF16A34A);
} else if (progress > 0.0) {
label = '在读 ${(progress * 100).toInt()}%';
color = colors.primary;
dotColor = colors.primary;
} else {
label = '未读';
color = const Color(0xFFDC2626);
dotColor = const Color(0xFFDC2626);
}
return Positioned(
top: 6,
left: 6,
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 2),
width: 8,
height: 8,
decoration: BoxDecoration(
color: color.withValues(alpha: 0.85),
borderRadius: BorderRadius.circular(4),
color: dotColor,
shape: BoxShape.circle,
boxShadow: [
BoxShadow(
color: dotColor.withValues(alpha: 0.4),
blurRadius: 3,
offset: const Offset(0, 1),
),
],
),
child: Text(label,
style: const TextStyle(
color: Colors.white,
fontSize: 9,
fontWeight: FontWeight.w600,
)),
),
);
}
/// 底部进度条
Widget _buildProgressBar(BuildContext context, double progress, {double height = 3}) {
final colors = Theme.of(context).colorScheme;
return Column(
mainAxisSize: MainAxisSize.min,
children: [
LinearProgressIndicator(
value: progress,
minHeight: height,
backgroundColor: Colors.black26,
valueColor: AlwaysStoppedAnimation<Color>(colors.primary),
borderRadius: BorderRadius.zero,
),
],
);
}
// ─── helpers ──────────────────────────────────────────────────────────────
double get _readingProgress =>
(book['reading_percentage'] as num?)?.toDouble() ?? 0.0;
/// 根据首字符生成渐变色
List<Color> _generateGradientColors(String initial) {
if (initial.isEmpty) return [const Color(0xFF6B7280), const Color(0xFF9CA3AF)];
final code = initial.codeUnitAt(0);
final palettes = [
[const Color(0xFF6366F1), const Color(0xFF8B5CF6)], // 靛蓝-紫
[const Color(0xFF3B82F6), const Color(0xFF06B6D4)], // 蓝-青
[const Color(0xFF10B981), const Color(0xFF34D399)], // 绿
[const Color(0xFFF59E0B), const Color(0xFFF97316)], // 琥珀-橙
[const Color(0xFFEF4444), const Color(0xFFF472B6)], // 红-粉
[const Color(0xFF8B5CF6), const Color(0xFFEC4899)], // 紫-粉
[const Color(0xFF14B8A6), const Color(0xFF3B82F6)], // 青-蓝
[const Color(0xFFF97316), const Color(0xFFEF4444)], // 橙-红
];
return palettes[code % palettes.length];
}
}