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新增epub书摘，高亮文字，适配平板

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This commit is contained in:
DelLevin-Home
2026-07-02 05:22:21 +08:00
parent a0a146854b
commit a7e4845e46
27 changed files with 3712 additions and 505 deletions
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64
lib/pages/book/book_tab_page.dart
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@@ -32,7 +32,9 @@ class _BookTabPageState extends State<BookTabPage> {
late ScrollController _scrollController;
AppProvider? _provider;
int _lastScrollSignal = 0;
int _lastEditRefreshCounter = 0;
int _prevBookCount = -1;
double _dragDelta = 0.0; // 当前拖动偏移量
void _onBookTap(Book book) {
if (Breakpoint.isWideContent(context)) {
@@ -79,10 +81,14 @@ class _BookTabPageState extends State<BookTabPage> {
// 仅在数据实际变化时刷新列表，避免底部导航栏显隐等UI变化误触发重载
final statusChanged = provider.bookStatusIndex != _lastStatusIndex;
final countChanged = provider.books.length != _prevBookCount;
if (statusChanged || countChanged) {
final editRefreshed = provider.editRefreshCounter > _lastEditRefreshCounter;
if (statusChanged || countChanged || editRefreshed) {
_prevBookCount = provider.books.length;
_loadFirst();
}
if (editRefreshed) {
_lastEditRefreshCounter = provider.editRefreshCounter;
}
}
void _onScroll() {
@@ -140,19 +146,49 @@ class _BookTabPageState extends State<BookTabPage> {
Widget _buildBody(BuildContext context) {
final colors = Theme.of(context).colorScheme;
return Consumer<AppProvider>(builder: (context, provider, _) {
if (_initialized && provider.bookStatusIndex != _lastStatusIndex) {
_lastStatusIndex = provider.bookStatusIndex;
WidgetsBinding.instance.addPostFrameCallback((_) => _loadFirst());
}
if (_items.isEmpty && _isLoading) return _buildSkeleton();
if (_items.isEmpty) {
return RefreshIndicator(onRefresh: _refresh, color: colors.primary, backgroundColor: colors.surface,
child: ListView(physics: const AlwaysScrollableScrollPhysics(), children: [_buildEmptyState(context, provider.bookStatusIndex)]));
}
return RefreshIndicator(onRefresh: _refresh, color: colors.primary, backgroundColor: colors.surface,
child: _layoutStyle == 1 ? _buildListView() : _buildGridView());
});
// 用 GestureDetector 包裹，左右滑动切换状态
return GestureDetector(
onHorizontalDragStart: (_) => _dragDelta = 0.0,
onHorizontalDragUpdate: (details) => setState(() => _dragDelta += details.primaryDelta ?? 0),
onHorizontalDragEnd: (details) {
final velocity = details.primaryVelocity;
if ((velocity ?? 0).abs() < 80) {
setState(() => _dragDelta = 0.0);
return;
}
final direction = (velocity ?? 0) > 0 ? -1 : 1; // 右滑→上一个，左滑→下一个
final provider = context.read<AppProvider>();
final currentIndex = provider.bookStatusIndex;
final newIndex = (currentIndex + direction + 3) % 3;
setState(() => _dragDelta = 0.0);
provider.setBookStatusIndex(newIndex);
},
child: TweenAnimationBuilder<double>(
tween: Tween(begin: 0.0, end: _dragDelta.clamp(-100.0, 100.0)),
duration: const Duration(milliseconds: 150),
curve: Curves.easeOut,
builder: (context, value, child) {
return Transform.translate(offset: Offset(value, 0), child: child);
},
child: Consumer<AppProvider>(builder: (context, provider, _) {
if (_initialized && provider.bookStatusIndex != _lastStatusIndex) {
_lastStatusIndex = provider.bookStatusIndex;
WidgetsBinding.instance.addPostFrameCallback((_) => _loadFirst());
}
final content = () {
if (_items.isEmpty && _isLoading) return _buildSkeleton();
if (_items.isEmpty) {
return RefreshIndicator(onRefresh: _refresh, color: colors.primary, backgroundColor: colors.surface,
child: ListView(physics: const AlwaysScrollableScrollPhysics(), children: [_buildEmptyState(context, provider.bookStatusIndex)]));
}
return RefreshIndicator(onRefresh: _refresh, color: colors.primary, backgroundColor: colors.surface,
child: _layoutStyle == 1 ? _buildListView() : _buildGridView());
}();
return content;
}),
),
);
}
Widget _buildGridView() {