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优化漫步界面

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DelLevin-Home
2026-08-09 14:29:17 +08:00
parent 26ec55dc9b
commit ca95a27b2b
4 changed files with 372 additions and 376 deletions
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280
lib/pages/epub_reader/epub_library_page.dart
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@@ -1,12 +1,15 @@
import 'dart:io';
import 'dart:ui';
import 'dart:io' show Platform;
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/toast_util.dart';
import '../../utils/responsive.dart';
import '../../widgets/fade_in_local_image.dart';
import '../../widgets/shimmer_skeleton.dart';
import 'epub_detail_page.dart';
import 'widgets/book_grid_item.dart';
/// EPUB 书架页面
class EpubLibraryPage extends StatefulWidget {
@@ -25,6 +28,7 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
bool _isSearching = false;
final TextEditingController _searchCtrl = TextEditingController();
int _sortMode = UserPrefs().epubSortMode;
int _viewMode = UserPrefs().epubViewMode; // 0=列表 1=网格
@override
void initState() {
@@ -205,16 +209,6 @@ 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();
@@ -274,8 +268,8 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
]),
),
// 主体
Expanded(child: _isLoading
? Center(child: CircularProgressIndicator(color: colors.primary))
Expanded(child: _isLoading && _books.isEmpty
? const BookSkeletonGrid()
: _books.isEmpty
? _buildEmpty(colors)
: _filteredBooks.isEmpty
@@ -289,196 +283,44 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
);
}
/// 主体内容：继续阅读横幅 + 书架列表
/// 主体内容：书架（列表/网格）
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),
// 书架分隔标题
SliverToBoxAdapter(child: _buildSectionHeader(colors)),
// 书架列表/网格
_viewMode == 0 ? _buildSliverListView(colors) : _buildSliverGrid(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();
/// 书架分隔标题（带计数）
Widget _buildSectionHeader(ColorScheme colors) {
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,
),
),
],
),
),
],
padding: const EdgeInsets.fromLTRB(20, 16, 20, 8),
child: Text(
'书架 (${_filteredBooks.length})',
style: TextStyle(
fontSize: 13,
fontWeight: FontWeight.w600,
color: colors.onSurface.withValues(alpha: 0.4),
),
),
);
}
List<Widget> _buildActions(ColorScheme colors) {
return [
if (!_isSearching)
IconButton(
icon: Icon(_viewMode == 0 ? Icons.grid_view_outlined : Icons.view_list_outlined, size: 20, color: colors.onSurface.withValues(alpha: 0.6)),
tooltip: _viewMode == 0 ? '网格视图' : '列表视图',
onPressed: () {
setState(() => _viewMode = _viewMode == 0 ? 1 : 0);
UserPrefs().setEpubViewMode(_viewMode);
},
),
if (!_isSearching)
IconButton(
icon: Icon(Icons.search, size: 20, color: colors.onSurface.withValues(alpha: 0.6)),
@@ -551,6 +393,35 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
);
}
Widget _buildSliverGrid(ColorScheme colors) {
return SliverPadding(
padding: const EdgeInsets.fromLTRB(16, 8, 16, 100),
sliver: SliverLayoutBuilder(
builder: (context, constraints) {
final crossAxisCount =
responsiveCrossAxisCount(constraints.crossAxisExtent, minItemWidth: 110);
return SliverGrid(
gridDelegate: SliverGridDelegateWithFixedCrossAxisCount(
crossAxisCount: crossAxisCount,
childAspectRatio: 0.55,
crossAxisSpacing: 12,
mainAxisSpacing: 16,
),
delegate: SliverChildBuilderDelegate(
(context, index) => BookGridItem(
book: _filteredBooks[index],
viewMode: ViewMode.relaxed,
onTap: () => _openBook(_filteredBooks[index]),
onLongPress: () => _deleteBook(_filteredBooks[index]),
),
childCount: _filteredBooks.length,
),
);
},
),
);
}
Widget _buildListItem(ColorScheme colors, Map<String, dynamic> book) {
final title = book['title'] as String? ?? '';
final author = book['author'] as String? ?? '';
@@ -679,23 +550,7 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
}
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,
errorBuilder: (_, __, ___) => Container(
color: colors.outlineVariant,
child: Icon(Icons.auto_stories_outlined, size: 22,
color: colors.onSurface.withValues(alpha: 0.25)),
),
),
);
}
return Container(
final placeholder = Container(
decoration: BoxDecoration(
color: colors.outlineVariant,
borderRadius: BorderRadius.circular(6),
@@ -703,6 +558,17 @@ class _EpubLibraryPageState extends State<EpubLibraryPage> {
child: Icon(Icons.auto_stories_outlined, size: 22,
color: colors.onSurface.withValues(alpha: 0.25)),
);
return ClipRRect(
borderRadius: BorderRadius.circular(6),
child: FadeInLocalImage(
path: path,
fit: BoxFit.cover,
width: double.infinity,
height: double.infinity,
placeholder: placeholder,
errorWidget: placeholder,
),
);
}
/// 相对时间格式化