generated from dellevin/template
616 lines
25 KiB
Dart
616 lines
25 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import '../../utils/epub/reader_dao.dart';
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import '../../utils/epub/epub_parser.dart';
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import '../../utils/epub/reader_models.dart';
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import '../../utils/book/book_dao.dart';
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import '../../utils/book/book_excerpt_dao.dart';
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import '../../models/data_models.dart';
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import '../book/book_detail_page.dart';
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import 'book_link_page.dart';
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import 'epub_edit_page.dart';
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import 'reader_screen.dart';
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/// EPUB 书籍详情页
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class EpubDetailPage extends StatefulWidget {
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final String bookId;
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final Map<String, dynamic> book;
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const EpubDetailPage({
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super.key,
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required this.bookId,
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required this.book,
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});
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@override
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State<EpubDetailPage> createState() => _EpubDetailPageState();
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}
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class _EpubDetailPageState extends State<EpubDetailPage> {
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final ReaderDao _dao = ReaderDao();
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final BookDao _bookDao = BookDao();
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final EpubParser _parser = EpubParser();
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late Map<String, dynamic> _book;
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EpubBookInfo? _bookInfo;
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bool _descriptionExpanded = false;
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Future<List<BookExcerpt>>? _excerptsFuture;
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@override
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void initState() {
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super.initState();
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_book = widget.book;
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_loadBookInfo();
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final linkedBookId = _book['book_id'] as String? ?? '';
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if (linkedBookId.isNotEmpty) {
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_excerptsFuture = BookExcerptDao().getExcerptsByBookId(linkedBookId);
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}
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}
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Future<void> _loadBookInfo() async {
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final filePath = _book['file_path'] as String?;
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if (filePath == null || filePath.isEmpty) return;
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final info = await _parser.parseFromFile(filePath);
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if (mounted && info != null) setState(() => _bookInfo = info);
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}
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Future<void> _refreshBook() async {
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final updated = await _dao.getReaderBookById(widget.bookId);
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if (mounted && updated != null) setState(() => _book = updated);
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}
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void _navigateToReader() {
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => ReaderScreen(
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bookId: _book['id'] as String,
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filePath: _book['file_path'] as String,
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title: _book['title'] as String? ?? '',
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coverPath: _book['cover_path'] as String?,
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bookData: _book,
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),
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),
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).then((_) => _refreshBook());
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}
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void _navigateToEdit() async {
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final changed = await Navigator.push<bool>(
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context,
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MaterialPageRoute(
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builder: (_) => EpubEditPage(bookId: widget.bookId, book: _book),
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),
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);
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if (changed == true && mounted) await _refreshBook();
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}
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// ─── Build ──────────────────────────────────────────────────
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@override
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Widget build(BuildContext context) {
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final colors = Theme.of(context).colorScheme;
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final progress = (_book['reading_percentage'] as num?)?.toDouble() ?? 0.0;
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final title = _book['title'] as String? ?? '';
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final author = _book['author'] as String? ?? '';
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final coverPath = _book['cover_path'] as String?;
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return Scaffold(
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backgroundColor: colors.surface,
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appBar: AppBar(
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backgroundColor: colors.surface,
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elevation: 0,
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leading: IconButton(
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icon: const Icon(Icons.arrow_back, size: 20),
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onPressed: () => Navigator.pop(context),
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),
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actions: [
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IconButton(
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icon: Icon(Icons.edit_outlined, size: 20, color: colors.onSurface.withValues(alpha: 0.6)),
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onPressed: _navigateToEdit,
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),
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const SizedBox(width: 4),
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],
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),
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body: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// ── 封面 + 基本信息（横向布局）──
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 8, 16, 16),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 封面
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GestureDetector(
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onTap: _navigateToReader,
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child: SizedBox(
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width: 110, height: 154,
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child: _buildCover(coverPath, colors),
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),
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),
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const SizedBox(width: 16),
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// 信息
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(title, maxLines: 3, overflow: TextOverflow.ellipsis,
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600,
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color: colors.onSurface, height: 1.3)),
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if (author.isNotEmpty) ...[
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const SizedBox(height: 4),
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Text(author, maxLines: 1, overflow: TextOverflow.ellipsis,
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style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.5))),
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],
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// 元数据标签
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if (_bookInfo != null) ...[
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const SizedBox(height: 10),
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Wrap(spacing: 6, runSpacing: 6, children: [
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_buildTag('${_bookInfo!.spine.length}章', colors),
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_buildTag('EPUB ${_bookInfo!.epubVersion}', colors),
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]),
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],
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const SizedBox(height: 12),
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// 进度
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Row(children: [
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Expanded(
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child: ClipRRect(
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borderRadius: BorderRadius.circular(2),
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child: LinearProgressIndicator(
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value: progress > 0 ? progress : 0,
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minHeight: 3,
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backgroundColor: colors.surfaceContainerHighest,
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),
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),
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),
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const SizedBox(width: 8),
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Text(progress > 0 ? '${(progress * 100).toInt()}%' : '未开始',
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style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
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]),
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],
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),
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),
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],
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),
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),
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Divider(height: 0.5, thickness: 0.5, color: colors.outline),
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// ── 描述 ──
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if (_bookInfo?.description != null && _bookInfo!.description!.isNotEmpty) ...[
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_buildSectionHeader('简介', colors),
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 0, 16, 12),
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child: GestureDetector(
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onTap: () => setState(() => _descriptionExpanded = !_descriptionExpanded),
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child: Text(_stripHtmlTags(_bookInfo!.description!),
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maxLines: _descriptionExpanded ? null : 4,
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overflow: _descriptionExpanded ? null : TextOverflow.ellipsis,
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style: TextStyle(fontSize: 14, height: 1.7, color: colors.onSurface)),
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),
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),
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Divider(height: 0.5, thickness: 0.5, color: colors.outline),
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],
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// ── 关联书籍 ──
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_buildSectionHeader('关联书籍', colors),
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 0, 16, 24),
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child: _buildLinkedBookCard(colors),
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),
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// ── 书籍摘抄（仅关联书籍时显示）──
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if ((_book['book_id'] as String? ?? '').isNotEmpty) ...[
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Divider(height: 0.5, thickness: 0.5, color: colors.outline),
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_buildSectionHeader('书籍摘抄', colors),
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Padding(
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padding: const EdgeInsets.fromLTRB(16, 0, 16, 24),
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child: _buildExcerptsList(colors),
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),
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],
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// ── 其他作品（同作者）──
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if (author.isNotEmpty) ...[
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Divider(height: 0.5, thickness: 0.5, color: colors.outline),
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_buildSectionHeader('其他作品', colors),
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_buildOtherWorks(author, colors),
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const SizedBox(height: 24),
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],
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],
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),
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),
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bottomNavigationBar: Container(
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padding: EdgeInsets.fromLTRB(16, 12, 16, 12 + MediaQuery.of(context).padding.bottom),
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decoration: BoxDecoration(
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color: colors.surface,
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border: Border(top: BorderSide(color: colors.outlineVariant, width: 0.5)),
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),
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child: SizedBox(
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height: 48,
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width: double.infinity,
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child: FilledButton(
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onPressed: _navigateToReader,
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style: FilledButton.styleFrom(
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backgroundColor: colors.primary,
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foregroundColor: colors.onPrimary,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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),
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child: Text(
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progress > 0 ? '继续阅读' : '开始阅读',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onPrimary),
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),
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),
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),
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),
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);
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}
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// ─── 构建组件 ────────────────────────────────────────────────
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Widget _buildSectionHeader(String title, ColorScheme colors) {
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return Padding(
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padding: const EdgeInsets.fromLTRB(16, 14, 16, 10),
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child: Row(children: [
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Container(width: 4, height: 14,
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decoration: BoxDecoration(color: colors.onSurface, borderRadius: BorderRadius.circular(2))),
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const SizedBox(width: 8),
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Text(title, style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface)),
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]),
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);
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}
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Widget _buildTag(String label, ColorScheme colors) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(4),
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),
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child: Text(label, style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.5))),
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);
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}
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Widget _buildLinkedBookCard(ColorScheme colors) {
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final linkedBookId = _book['book_id'] as String? ?? '';
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if (linkedBookId.isEmpty) {
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return GestureDetector(
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onTap: _navigateToLinkPage,
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child: Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(10),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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child: Row(children: [
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Container(
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width: 40, height: 40,
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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child: Icon(Icons.link_outlined, size: 20, color: colors.onSurface.withValues(alpha: 0.6)),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text('关联书籍', style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.onSurface)),
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const SizedBox(height: 4),
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Text('点击选择要关联的书籍', style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.4))),
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],
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),
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),
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Icon(Icons.chevron_right, size: 18, color: colors.onSurface.withValues(alpha: 0.25)),
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]),
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),
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);
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}
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return FutureBuilder<Book?>(
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future: _bookDao.getBookById(linkedBookId),
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builder: (context, snapshot) {
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final linkedTitle = snapshot.data?.title ?? '未知书籍';
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final linkedAuthor = snapshot.data?.authors.take(2).join(' / ') ?? '';
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return GestureDetector(
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onTap: () => _showLinkedBookActions(colors, linkedTitle),
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child: Container(
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(10),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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child: Row(children: [
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Container(
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width: 40, height: 40,
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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child: Icon(Icons.link, size: 20, color: colors.primary),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(linkedTitle, maxLines: 1, overflow: TextOverflow.ellipsis,
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style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.onSurface)),
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const SizedBox(height: 4),
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Text(
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linkedAuthor.isNotEmpty ? '已关联 · $linkedAuthor' : '已关联',
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style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.4)),
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),
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],
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),
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),
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Icon(Icons.chevron_right, size: 18, color: colors.onSurface.withValues(alpha: 0.25)),
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]),
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),
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);
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},
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);
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}
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Widget _buildExcerptsList(ColorScheme colors) {
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if (_excerptsFuture == null) return const SizedBox.shrink();
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return FutureBuilder<List<BookExcerpt>>(
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future: _excerptsFuture,
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builder: (context, snapshot) {
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if (!snapshot.hasData || snapshot.data!.isEmpty) {
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return Container(
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padding: const EdgeInsets.symmetric(vertical: 20, horizontal: 16),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(10),
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(Icons.format_quote, size: 18, color: colors.onSurface.withValues(alpha: 0.2)),
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const SizedBox(width: 8),
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Text('暂无摘抄', style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.35))),
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],
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),
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);
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}
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final excerpts = snapshot.data!;
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final showCount = excerpts.length > 5 ? 5 : excerpts.length;
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return Column(
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children: [
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for (int i = 0; i < showCount; i++)
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Padding(
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padding: EdgeInsets.only(bottom: i < showCount - 1 ? 8 : 0),
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child: Container(
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width: double.infinity,
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(10),
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),
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child: Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Container(
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width: 3,
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height: 16,
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margin: const EdgeInsets.only(top: 2, right: 10),
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decoration: BoxDecoration(
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color: colors.primary.withValues(alpha: 0.6),
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borderRadius: BorderRadius.circular(1.5),
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),
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),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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excerpts[i].content,
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maxLines: 3,
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overflow: TextOverflow.ellipsis,
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textAlign: TextAlign.left,
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style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.75), height: 1.6),
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),
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if (excerpts[i].chapter.isNotEmpty)
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Padding(
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padding: const EdgeInsets.only(top: 6),
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child: Text(
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excerpts[i].chapter,
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style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.35)),
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),
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),
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],
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),
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),
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],
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),
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),
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),
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if (excerpts.length > 5)
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Padding(
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padding: const EdgeInsets.only(top: 8),
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child: Text(
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'共 ${excerpts.length} 条摘抄',
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style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.35)),
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),
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),
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],
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);
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},
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);
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}
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void _showLinkedBookActions(ColorScheme colors, String title) {
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showModalBottomSheet(
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context: context,
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backgroundColor: colors.surface,
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(16))),
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builder: (ctx) => SafeArea(
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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Container(width: 36, height: 4, margin: const EdgeInsets.only(top: 12, bottom: 16),
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decoration: BoxDecoration(color: colors.onSurface.withValues(alpha: 0.15), borderRadius: BorderRadius.circular(2))),
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Padding(
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padding: const EdgeInsets.symmetric(horizontal: 20),
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child: Align(alignment: Alignment.centerLeft,
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child: Text(title, maxLines: 1, overflow: TextOverflow.ellipsis,
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface))),
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),
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const SizedBox(height: 12),
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Divider(height: 0.5, color: colors.outlineVariant),
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ListTile(
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contentPadding: const EdgeInsets.symmetric(horizontal: 20),
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leading: Container(width: 36, height: 36,
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)),
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child: Icon(Icons.menu_book_outlined, size: 18, color: colors.onSurface.withValues(alpha: 0.6))),
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title: Text('查看书籍详情', style: TextStyle(fontSize: 13, color: colors.onSurface)),
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onTap: () async {
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Navigator.pop(ctx);
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final bookId = _book['book_id'] as String? ?? '';
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if (bookId.isEmpty) return;
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final book = await _bookDao.getBookById(bookId);
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if (book != null && mounted) {
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Navigator.push(context, MaterialPageRoute(builder: (_) => BookDetailPage(book: book)));
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}
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},
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),
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Divider(height: 0.5, indent: 20, endIndent: 20, color: colors.outlineVariant),
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ListTile(
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contentPadding: const EdgeInsets.symmetric(horizontal: 20),
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leading: Container(width: 36, height: 36,
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)),
|
||
child: Icon(Icons.link_off, size: 18, color: colors.error)),
|
||
title: Text('取消关联', style: TextStyle(fontSize: 13, color: colors.error)),
|
||
onTap: () { Navigator.pop(ctx); _unlinkBook(); },
|
||
),
|
||
const SizedBox(height: 8),
|
||
]),
|
||
),
|
||
);
|
||
}
|
||
|
||
Future<void> _navigateToLinkPage() async {
|
||
final linked = await Navigator.push<bool>(
|
||
context,
|
||
MaterialPageRoute(builder: (_) => BookLinkPage(readerBookId: widget.bookId)),
|
||
);
|
||
if (linked == true && mounted) await _refreshBook();
|
||
}
|
||
|
||
Future<void> _unlinkBook() async {
|
||
await _dao.unlinkBook(widget.bookId);
|
||
await _refreshBook();
|
||
}
|
||
|
||
Widget _buildOtherWorks(String author, ColorScheme colors) {
|
||
final linkedBookId = _book['book_id'] as String? ?? '';
|
||
return FutureBuilder<List<Book>>(
|
||
future: _bookDao.getBooksByAuthor(author),
|
||
builder: (context, snapshot) {
|
||
if (!snapshot.hasData || snapshot.data!.isEmpty) {
|
||
return Padding(
|
||
padding: const EdgeInsets.fromLTRB(16, 0, 16, 0),
|
||
child: Text('暂未收藏该作者其他作品',
|
||
style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.35))),
|
||
);
|
||
}
|
||
final books = snapshot.data!.where((b) => b.id != linkedBookId).toList();
|
||
if (books.isEmpty) {
|
||
return Padding(
|
||
padding: const EdgeInsets.fromLTRB(16, 0, 16, 0),
|
||
child: Text('暂未收藏该作者其他作品',
|
||
style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.35))),
|
||
);
|
||
}
|
||
return SizedBox(
|
||
height: 160,
|
||
child: ListView.builder(
|
||
scrollDirection: Axis.horizontal,
|
||
padding: const EdgeInsets.symmetric(horizontal: 16),
|
||
itemCount: books.length,
|
||
itemBuilder: (context, index) {
|
||
final book = books[index];
|
||
return GestureDetector(
|
||
onTap: () => Navigator.push(context,
|
||
MaterialPageRoute(builder: (_) => BookDetailPage(book: book))),
|
||
child: Container(
|
||
width: 90,
|
||
margin: const EdgeInsets.only(right: 12),
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
SizedBox(
|
||
width: 90, height: 126,
|
||
child: ClipRRect(
|
||
borderRadius: BorderRadius.circular(6),
|
||
child: book.coverPath != null && book.coverPath!.isNotEmpty
|
||
? Image.file(File(book.coverPath!), fit: BoxFit.cover,
|
||
errorBuilder: (_, __, ___) => _buildBookCoverPlaceholder(colors))
|
||
: _buildBookCoverPlaceholder(colors),
|
||
),
|
||
),
|
||
const SizedBox(height: 6),
|
||
Text(book.title, maxLines: 1, overflow: TextOverflow.ellipsis,
|
||
style: TextStyle(fontSize: 11, color: colors.onSurface)),
|
||
],
|
||
),
|
||
),
|
||
);
|
||
},
|
||
),
|
||
);
|
||
},
|
||
);
|
||
}
|
||
|
||
Widget _buildBookCoverPlaceholder(ColorScheme colors) {
|
||
return Container(
|
||
decoration: BoxDecoration(
|
||
color: colors.surfaceContainerHighest,
|
||
borderRadius: BorderRadius.circular(6),
|
||
),
|
||
child: Icon(Icons.menu_book_outlined, size: 28, color: colors.onSurface.withValues(alpha: 0.2)),
|
||
);
|
||
}
|
||
|
||
Widget _buildCover(String? coverPath, ColorScheme colors) {
|
||
if (coverPath != null && coverPath.isNotEmpty && File(coverPath).existsSync()) {
|
||
return ClipRRect(
|
||
borderRadius: BorderRadius.circular(6),
|
||
child: Image.file(File(coverPath), fit: BoxFit.cover,
|
||
width: double.infinity, height: double.infinity),
|
||
);
|
||
}
|
||
return Container(
|
||
decoration: BoxDecoration(
|
||
color: colors.surfaceContainerHighest,
|
||
borderRadius: BorderRadius.circular(6),
|
||
),
|
||
child: Icon(Icons.auto_stories_outlined, size: 36, color: colors.onSurface.withValues(alpha: 0.2)),
|
||
);
|
||
}
|
||
|
||
static String _stripHtmlTags(String? htmlContent) {
|
||
if (htmlContent == null || htmlContent.isEmpty) return '';
|
||
String text = htmlContent;
|
||
text = text.replaceAll(RegExp(r'<br\s*/?>', caseSensitive: false), '\n');
|
||
text = text.replaceAll(RegExp(r'</(p|div|h[1-6]|tr|blockquote)>', caseSensitive: false), '\n\n');
|
||
text = text.replaceAll(RegExp(r'<li[^>]*>', caseSensitive: false), '• ');
|
||
text = text.replaceAll(RegExp(r'</li>', caseSensitive: false), '\n');
|
||
text = text.replaceAll(RegExp(r'<[^>]*>'), '');
|
||
text = text
|
||
.replaceAll(' ', ' ').replaceAll('<', '<').replaceAll('>', '>')
|
||
.replaceAll('&', '&').replaceAll('"', '"').replaceAll(''', "'")
|
||
.replaceAll(''', "'").replaceAll('—', '—').replaceAll('–', '–');
|
||
text = text.replaceAll(RegExp(r'[ \t]+'), ' ');
|
||
text = text.replaceAll(RegExp(r'\n\s*\n+'), '\n\n');
|
||
return text.trim();
|
||
}
|
||
}
|