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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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453
lib/pages/book/book_excerpts_page.dart
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@@ -3,6 +3,7 @@ import 'package:provider/provider.dart';
import '../../providers/app_provider.dart';
import '../../models/data_models.dart';
import '../../utils/toast_util.dart';
import '../../utils/epub/reader_dao.dart';
import 'book_excerpt_form_page.dart';
/// 书籍摘抄列表页面
@@ -29,13 +30,15 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
setState(() => _isLoading = true);
try {
final excerpts = await context.read<AppProvider>().getBookExcerpts(widget.book.id);
setState(() {
_excerpts = excerpts;
_isLoading = false;
});
if (mounted) {
setState(() {
_excerpts = excerpts;
_isLoading = false;
});
}
} catch (e) {
setState(() => _isLoading = false);
ToastUtil.show(context, '加载失败: $e');
if (mounted) setState(() => _isLoading = false);
if (mounted) ToastUtil.show(context, '加载失败: $e');
}
}
@@ -45,282 +48,280 @@ class _BookExcerptsPageState extends State<BookExcerptsPage> {
return Scaffold(
backgroundColor: colors.surface,
appBar: AppBar(
title: const Text('摘抄'),
actions: [
IconButton(
icon: const Icon(Icons.add),
onPressed: () => _navigateToAddExcerpt(),
),
const SizedBox(width: 8),
],
title: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
const Text('摘抄', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
if (_excerpts.isNotEmpty)
Text('共 ${_excerpts.length} 条', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.4))),
],
),
),
floatingActionButton: FloatingActionButton.extended(
onPressed: _navigateToAddExcerpt,
icon: const Icon(Icons.add, size: 20),
label: const Text('添加摘抄'),
),
body: _isLoading
? const Center(child: CircularProgressIndicator())
? Center(child: CircularProgressIndicator(color: colors.primary))
: _excerpts.isEmpty
? _buildEmptyState()
: _buildExcerptList(),
? _buildEmptyState(colors)
: _buildExcerptList(colors),
);
}
Widget _buildEmptyState() {
final colors = Theme.of(context).colorScheme;
// ── 空状态 ──
Widget _buildEmptyState(ColorScheme colors) {
return Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Container(
width: 80,
height: 80,
decoration: BoxDecoration(
color: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(20),
),
child: Icon(
Icons.format_quote_outlined,
size: 40,
color: colors.onSurface.withValues(alpha: 0.25),
),
),
const SizedBox(height: 20),
Text(
'暂无摘抄',
style: TextStyle(
fontSize: 16,
color: colors.onSurface.withValues(alpha: 0.4),
),
),
const SizedBox(height: 24),
InkWell(
onTap: () => _navigateToAddExcerpt(),
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 12),
child: Padding(
padding: const EdgeInsets.all(40),
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Container(
width: 80,
height: 80,
decoration: BoxDecoration(
color: colors.primary,
borderRadius: BorderRadius.circular(8),
),
child: Text(
'添加记录',
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w500,
color: colors.onPrimary,
),
color: colors.surfaceContainerHighest,
borderRadius: BorderRadius.circular(24),
),
child: Icon(Icons.format_quote_outlined, size: 40, color: colors.onSurface.withValues(alpha: 0.2)),
),
),
],
const SizedBox(height: 20),
Text('暂无摘抄', style: TextStyle(fontSize: 16, color: colors.onSurface.withValues(alpha: 0.4))),
const SizedBox(height: 8),
Text('记录书中触动人心的文字', style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.25))),
],
),
),
);
}
/// 按章节分组摘抄数据
Map<String, List<BookExcerpt>> _groupExcerptsByChapter() {
final Map<String, List<BookExcerpt>> groups = {};
for (final excerpt in _excerpts) {
final chapter = excerpt.chapter.isEmpty ? '未分类' : excerpt.chapter;
if (!groups.containsKey(chapter)) {
groups[chapter] = [];
}
groups[chapter]!.add(excerpt);
}
// 每个章节内的摘抄按时间排序（新的在前）
for (final chapter in groups.keys) {
groups[chapter]!.sort((a, b) => b.createdAt.compareTo(a.createdAt));
}
return groups;
}
Widget _buildExcerptList() {
final groups = _groupExcerptsByChapter();
final chapters = groups.keys.toList();
// ── 摘抄列表 ──
Widget _buildExcerptList(ColorScheme colors) {
final chapters = _groupExcerptsByChapter().keys.toList();
return ListView.builder(
padding: const EdgeInsets.all(16),
padding: const EdgeInsets.fromLTRB(16, 8, 16, 80),
itemCount: chapters.length,
itemBuilder: (context, index) {
final chapter = chapters[index];
final excerpts = groups[chapter]!;
return _buildChapterSection(chapter, excerpts);
final excerpts = _groupExcerptsByChapter()[chapter]!;
return _buildChapterSection(chapter, excerpts, colors, index);
},
);
}
Widget _buildChapterSection(String chapter, List<BookExcerpt> excerpts) {
final colors = Theme.of(context).colorScheme;
return Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 章节标题
Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(vertical: 12, horizontal: 16),
decoration: BoxDecoration(
color: colors.surfaceContainerHighest,
border: Border(
left: BorderSide(color: colors.primary, width: 4),
),
),
child: Text(
chapter,
style: TextStyle(
fontSize: 14,
fontWeight: FontWeight.w600,
color: colors.onSurface,
),
),
),
const SizedBox(height: 12),
// 该章节下的摘抄列表
...excerpts.map((excerpt) => _buildExcerptItem(excerpt)),
const SizedBox(height: 24),
],
);
/// 按章节分组
Map<String, List<BookExcerpt>> _groupExcerptsByChapter() {
final groups = <String, List<BookExcerpt>>{};
for (final e in _excerpts) {
final chapter = e.chapter.isEmpty ? '未分类' : e.chapter;
(groups[chapter] ??= []).add(e);
}
for (final key in groups.keys) {
groups[key]!.sort((a, b) => b.createdAt.compareTo(a.createdAt));
}
return groups;
}
Widget _buildExcerptItem(BookExcerpt excerpt) {
final colors = Theme.of(context).colorScheme;
return Container(
margin: const EdgeInsets.only(bottom: 8),
padding: const EdgeInsets.all(12),
decoration: BoxDecoration(
border: Border.all(color: colors.outline),
),
// ── 章节分组 ──
Widget _buildChapterSection(String chapter, List<BookExcerpt> excerpts, ColorScheme colors, int chapterIndex) {
return Padding(
padding: EdgeInsets.only(bottom: 20),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 摘抄内容
Text(
excerpt.content,
maxLines: 3,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 14,
color: colors.onSurface,
height: 1.5,
// 章节标题
Padding(
padding: const EdgeInsets.only(left: 4, bottom: 12),
child: Row(
children: [
Container(
width: 3,
height: 14,
decoration: BoxDecoration(
color: colors.primary,
borderRadius: BorderRadius.circular(1.5),
),
),
const SizedBox(width: 8),
Text(chapter, style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface)),
const SizedBox(width: 8),
Container(
padding: const EdgeInsets.symmetric(horizontal: 7, vertical: 1),
decoration: BoxDecoration(
color: colors.primary.withValues(alpha: 0.1),
borderRadius: BorderRadius.circular(10),
),
child: Text(
'${excerpts.length}',
style: TextStyle(fontSize: 11, fontWeight: FontWeight.w600, color: colors.primary),
),
),
],
),
),
// 评论/感悟
if (excerpt.comment.isNotEmpty) ...[
const SizedBox(height: 8),
Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 6),
decoration: BoxDecoration(
color: colors.surfaceContainerHighest,
),
child: Text(
excerpt.comment,
maxLines: 1,
overflow: TextOverflow.ellipsis,
style: TextStyle(
fontSize: 12,
color: colors.onSurface.withValues(alpha: 0.6),
),
),
),
],
const SizedBox(height: 8),
// 底部：时间 + 操作按钮
Row(
children: [
Text(
_formatDate(excerpt.createdAt),
style: TextStyle(
fontSize: 11,
color: colors.onSurface.withValues(alpha: 0.4),
),
),
const Spacer(),
// 编辑按钮
GestureDetector(
onTap: () => _navigateToEditExcerpt(excerpt),
child: Icon(
Icons.edit_outlined,
size: 16,
color: colors.onSurface.withValues(alpha: 0.4),
),
),
const SizedBox(width: 12),
// 删除按钮
GestureDetector(
onTap: () => _showDeleteDialog(excerpt),
child: Icon(
Icons.delete_outline,
size: 16,
color: colors.error,
),
),
],
),
// 摘抄卡片
...excerpts.map((excerpt) => Padding(
padding: const EdgeInsets.only(bottom: 10),
child: _buildExcerptCard(excerpt, colors),
)),
],
),
);
}
String _formatDate(DateTime date) {
return '${date.year}.${date.month.toString().padLeft(2, '0')}.${date.day.toString().padLeft(2, '0')}';
// ── 摘抄卡片 ──
Widget _buildExcerptCard(BookExcerpt excerpt, ColorScheme colors) {
return Dismissible(
key: ValueKey(excerpt.id),
direction: DismissDirection.endToStart,
background: Container(
alignment: Alignment.centerRight,
padding: const EdgeInsets.only(right: 20),
decoration: BoxDecoration(
color: colors.error,
borderRadius: BorderRadius.circular(14),
),
child: const Icon(Icons.delete_outline, color: Colors.white),
),
confirmDismiss: (direction) => _showDeleteDialog(excerpt),
child: Material(
color: colors.surfaceContainerHigh,
borderRadius: BorderRadius.circular(14),
clipBehavior: Clip.antiAlias,
child: InkWell(
onTap: () => _navigateToEditExcerpt(excerpt),
child: Container(
width: double.infinity,
padding: const EdgeInsets.fromLTRB(16, 14, 14, 12),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
// 引号 + 摘抄内容
Stack(
children: [
Positioned(
left: -6,
top: -6,
child: Text(
'"',
style: TextStyle(
fontSize: 32,
color: colors.primary.withValues(alpha: 0.15),
fontWeight: FontWeight.bold,
height: 1,
),
),
),
Padding(
padding: const EdgeInsets.only(left: 10),
child: Text(
excerpt.content,
style: TextStyle(
fontSize: 14,
color: colors.onSurface.withValues(alpha: 0.85),
height: 1.8,
),
),
),
],
),
// 感悟
if (excerpt.comment.isNotEmpty) ...[
const SizedBox(height: 10),
Container(
width: double.infinity,
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 8),
decoration: BoxDecoration(
color: colors.surface,
borderRadius: BorderRadius.circular(8),
border: Border(
left: BorderSide(color: colors.primary.withValues(alpha: 0.3), width: 2),
),
),
child: Text(
excerpt.comment,
style: TextStyle(
fontSize: 12,
color: colors.onSurface.withValues(alpha: 0.55),
height: 1.6,
),
),
),
],
// 底部：日期 + 操作
const SizedBox(height: 8),
Row(
children: [
Icon(Icons.access_time, size: 12, color: colors.onSurface.withValues(alpha: 0.25)),
const SizedBox(width: 4),
Text(
_formatDate(excerpt.createdAt),
style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.3)),
),
const Spacer(),
GestureDetector(
onTap: () => _navigateToEditExcerpt(excerpt),
child: Padding(
padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
child: Icon(Icons.edit_outlined, size: 16, color: colors.onSurface.withValues(alpha: 0.35)),
),
),
],
),
],
),
),
),
),
);
}
String _formatDate(DateTime date) => '${date.year}.${date.month.toString().padLeft(2, '0')}.${date.day.toString().padLeft(2, '0')}';
void _navigateToAddExcerpt() {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => BookExcerptFormPage(bookId: widget.book.id),
),
).then((_) => _loadExcerpts());
Navigator.push(context, MaterialPageRoute(builder: (ctx) => BookExcerptFormPage(bookId: widget.book.id))).then((_) => _loadExcerpts());
}
void _navigateToEditExcerpt(BookExcerpt excerpt) {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) => BookExcerptFormPage(
bookId: widget.book.id,
excerpt: excerpt,
),
),
).then((_) => _loadExcerpts());
Navigator.push(context, MaterialPageRoute(builder: (ctx) => BookExcerptFormPage(bookId: widget.book.id, excerpt: excerpt))).then((_) => _loadExcerpts());
}
void _showDeleteDialog(BookExcerpt excerpt) {
showDialog(
Future<bool?> _showDeleteDialog(BookExcerpt excerpt) {
final colors = Theme.of(context).colorScheme;
return showDialog<bool>(
context: context,
builder: (context) {
final colors = Theme.of(context).colorScheme;
return AlertDialog(
backgroundColor: colors.surface,
elevation: 0,
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
title: Text('确认删除', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
content: Text('确定要删除这条摘抄吗？删除后可在回收站恢复。',
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.5)),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
title: const Text('删除摘抄', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
content: Text('确定删除这条摘抄吗？', style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6))),
actions: [
TextButton(onPressed: () => Navigator.pop(context, false), child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.4)))),
TextButton(
onPressed: () => Navigator.pop(context),
child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6))),
),
ElevatedButton(
onPressed: () async {
Navigator.pop(context, true);
final readerBook = await ReaderDao().getReaderBookByBookId(widget.book.id);
if (readerBook != null) {
await ReaderDao().deleteExcerptHighlightByContent(
readerBook['id'] as String,
excerpt.content,
);
}
await context.read<AppProvider>().removeBookExcerpt(excerpt.id);
Navigator.pop(context);
_loadExcerpts();
ToastUtil.show(context, '已删除');
if (mounted) ToastUtil.show(context, '已删除');
},
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),
),
child: const Text('删除'),
child: Text('删除', style: TextStyle(color: colors.error, fontWeight: FontWeight.w600)),
),
],
actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
);
},
);