generated from dellevin/template
679 lines
32 KiB
Dart
679 lines
32 KiB
Dart
import 'dart:io';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:path/path.dart' as p;
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import 'package:provider/provider.dart';
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import 'package:http/http.dart' as http;
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import '../../providers/app_provider.dart';
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import '../../widgets/fade_in_local_image.dart';
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import '../../models/data_models.dart';
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import '../../utils/toast_util.dart';
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import '../../utils/image_path_helper.dart';
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import '../../widgets/genre_selector_page.dart';
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import '../../widgets/text_input_panel.dart';
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/// 从多值字段列表中提取去重排序的唯一值（供 compute 使用）
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List<String> _collectUnique(List<List<String>> lists) {
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final s = <String>{};
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for (final l in lists) { s.addAll(l); }
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return s.toList()..sort();
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}
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/// 添加/编辑书籍页面
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class BookFormPage extends StatefulWidget {
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final Book? book;
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final String? initialStatus;
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const BookFormPage({super.key, this.book, this.initialStatus});
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@override
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State<BookFormPage> createState() => _BookFormPageState();
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}
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class _BookFormPageState extends State<BookFormPage> {
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final _formKey = GlobalKey<FormState>();
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final ImagePicker _picker = ImagePicker();
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late TextEditingController _titleController;
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late TextEditingController _publisherController;
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late TextEditingController _summaryController;
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late TextEditingController _ratingController;
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late TextEditingController _isbnController;
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List<String> _authors = [];
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List<String> _alternateTitles = [];
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List<String> _genres = [];
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String? _coverPath;
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String _status = 'want_to_read';
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DateTime? _publishDate;
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bool _isDownloading = false;
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@override
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void initState() {
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super.initState();
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_initializeData();
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}
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void _initializeData() {
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Book? book = widget.book;
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if (book != null) {
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final appProvider = context.read<AppProvider>();
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final latestBook = appProvider.books.where((b) => b.id == book!.id).firstOrNull;
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if (latestBook != null) book = latestBook;
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}
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_titleController = TextEditingController(text: book?.title ?? '');
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_publisherController = TextEditingController(text: book?.publisher ?? '');
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_summaryController = TextEditingController(text: book?.summary ?? '');
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_ratingController = TextEditingController(text: book?.rating?.toString() ?? '');
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_isbnController = TextEditingController(text: book?.isbn ?? '');
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if (book != null) {
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_authors = List.from(book.authors);
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_alternateTitles = List.from(book.alternateTitles);
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_genres = List.from(book.genres);
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_coverPath = book.coverPath;
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_status = book.status;
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_publishDate = book.publishDate;
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} else if (widget.initialStatus != null) {
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_status = widget.initialStatus!;
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}
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}
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@override
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void dispose() {
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_titleController.dispose();
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_publisherController.dispose();
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_summaryController.dispose();
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_ratingController.dispose();
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_isbnController.dispose();
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super.dispose();
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}
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Widget _buildActionButton({required IconData icon, required VoidCallback onPressed, required String tooltip}) {
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final colors = Theme.of(context).colorScheme;
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 4, vertical: 8),
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decoration: BoxDecoration(color: colors.surface.withValues(alpha: 0.9), borderRadius: BorderRadius.circular(8)),
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child: Material(
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color: Colors.transparent,
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child: InkWell(
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onTap: onPressed,
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borderRadius: BorderRadius.circular(8),
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child: Container(padding: const EdgeInsets.all(8), child: Icon(icon, color: colors.onSurface, size: 22)),
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),
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),
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);
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}
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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 isEdit = widget.book != null;
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return PopScope(
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canPop: false,
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onPopInvokedWithResult: (didPop, result) async {
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if (didPop) return;
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final shouldPop = await _confirmLeave();
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if (shouldPop && context.mounted) Navigator.pop(context);
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},
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child: Scaffold(
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backgroundColor: colors.surface,
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appBar: AppBar(
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title: Text(isEdit ? '编辑书籍' : '添加书籍'),
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actions: [
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_buildActionButton(icon: Icons.save_outlined, onPressed: _saveBook, tooltip: '保存'),
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const SizedBox(width: 8),
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],
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),
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body: Form(
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key: _formKey,
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child: ListView(
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 16),
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children: [
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// 封面
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Center(child: _buildCoverPicker()),
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const SizedBox(height: 20),
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// 状态 + 评分
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_buildStatusRatingRow(),
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const SizedBox(height: 24),
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// 信息卡片网格
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Wrap(
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spacing: 12,
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runSpacing: 12,
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children: [
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// 书名 + 别名
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_halfCard('书名', _titleController.text, Icons.book_outlined, required: true,
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onTap: () async {
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final r = await TextInputPanel.show(context: context, title: '书名', initialValue: _titleController.text, hint: '请输入书名');
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if (r != null) setState(() => _titleController.text = r);
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},
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),
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_halfCard('别名', _alternateTitles.isEmpty ? '' : '${_alternateTitles.length}个：${_alternateTitles.join('、')}', Icons.alternate_email_outlined,
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onTap: () async {
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final r = await GenreSelectorPage.show(context: context, title: '添加别名', existingTags: [], initialSelected: _alternateTitles, hint: '输入别名');
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if (r != null) setState(() => _alternateTitles = r);
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},
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),
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// 作者 + 出版社
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_halfCard('作者', _authors.isEmpty ? '' : '${_authors.length}人：${_authors.join('、')}', Icons.person_outline,
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onTap: () async {
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final provider = context.read<AppProvider>();
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final data = provider.books.map((b) => b.authors).toList();
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final r = await GenreSelectorPage.show(context: context, title: '选择作者', existingTagsFuture: compute(_collectUnique, data), initialSelected: _authors, hint: '如：余华、莫言');
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if (r != null) setState(() => _authors = r);
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},
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),
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_halfCard('出版社', _publisherController.text, Icons.business_outlined,
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onTap: () async {
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final r = await TextInputPanel.show(context: context, title: '出版社', initialValue: _publisherController.text, hint: '请输入出版社');
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if (r != null) setState(() => _publisherController.text = r);
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},
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),
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// 类型 + ISBN
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_halfCard('类型', _genres.isEmpty ? '' : '${_genres.length}个：${_genres.join('、')}', Icons.category_outlined,
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onTap: () async {
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final provider = context.read<AppProvider>();
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final tags = await provider.getTags('book_genre', excludeHidden: true);
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if (!mounted) return;
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final r = await GenreSelectorPage.show(context: context, title: '选择类型', existingTags: tags.map((t) => t['name'] as String).toList(), initialSelected: _genres, hint: '如：小说、历史、传记');
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if (r != null) setState(() => _genres = r);
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},
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),
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_halfCard('ISBN', _isbnController.text, Icons.qr_code_outlined,
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onTap: () async {
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final r = await TextInputPanel.show(context: context, title: 'ISBN', initialValue: _isbnController.text, hint: '请输入ISBN编号');
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if (r != null) setState(() => _isbnController.text = r);
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},
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),
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// 出版时间
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SizedBox(
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width: double.infinity, height: 90,
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child: _buildInfoCard(
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label: '出版时间',
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value: _publishDate != null ? '${_publishDate!.year}.${_publishDate!.month.toString().padLeft(2, '0')}.${_publishDate!.day.toString().padLeft(2, '0')}' : '',
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icon: Icons.date_range_outlined,
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trailing: _publishDate != null
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? GestureDetector(onTap: () => setState(() => _publishDate = null), child: Icon(Icons.close, size: 16, color: colors.onSurface.withValues(alpha: 0.35)))
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: null,
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onTap: () => _selectPublishDate(),
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),
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),
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// 书籍简介
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SizedBox(
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width: double.infinity,
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child: _buildInfoCard(label: '书籍简介', value: _summaryController.text, icon: Icons.description_outlined, height: 160, scrollable: true, onTap: () => _editSummary()),
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),
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],
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),
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const SizedBox(height: 48),
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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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/// 半宽卡片快捷方法
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Widget _halfCard(String label, String value, IconData icon, {bool required = false, VoidCallback? onTap}) {
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return SizedBox(
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width: (MediaQuery.of(context).size.width - 52) / 2,
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height: 90,
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child: _buildInfoCard(label: label, value: value, icon: icon, required: required, onTap: onTap ?? () {}),
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);
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}
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// ─── 状态 + 评分合并行 ───
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Widget _buildStatusRatingRow() {
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final colors = Theme.of(context).colorScheme;
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final currentRating = double.tryParse(_ratingController.text) ?? 0;
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final starRating = currentRating / 2;
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final hasRating = _ratingController.text.isNotEmpty;
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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decoration: BoxDecoration(color: colors.surface, borderRadius: BorderRadius.circular(12), border: Border.all(color: colors.outlineVariant, width: 0.5)),
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child: Column(children: [
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// 状态
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Row(children: [
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Text('状态', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
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const SizedBox(width: 12),
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Container(
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padding: const EdgeInsets.all(2),
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(6)),
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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_buildStatusOption('想读', 'want_to_read'),
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_buildStatusOption('在读', 'reading'),
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_buildStatusOption('已读', 'read'),
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]),
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),
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]),
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const SizedBox(height: 12),
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// 评分
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Row(children: [
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Text('评分', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
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const SizedBox(width: 12),
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...List.generate(5, (i) {
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final sv = i + 1;
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final filled = sv <= starRating;
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final half = sv == starRating.ceil() && starRating % 1 != 0;
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return GestureDetector(
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onTap: () => setState(() => _ratingController.text = (sv * 2).toString()),
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 1),
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child: Icon(half ? Icons.star_half : (filled ? Icons.star : Icons.star_border), size: 22, color: (filled || half) ? const Color(0xFFFFB800) : colors.outline),
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),
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);
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}),
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const SizedBox(width: 8),
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Container(
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width: 48, height: 28,
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(6)),
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child: TextFormField(
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controller: _ratingController,
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keyboardType: const TextInputType.numberWithOptions(decimal: true),
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textAlign: TextAlign.center,
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inputFormatters: [_RatingInputFormatter()],
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style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: colors.onSurface),
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decoration: InputDecoration(hintText: '0-10', hintStyle: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.25)), border: InputBorder.none, contentPadding: const EdgeInsets.symmetric(vertical: 6), isDense: true),
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onChanged: (_) => setState(() {}),
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),
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),
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if (hasRating) ...[
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const SizedBox(width: 6),
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GestureDetector(onTap: () => setState(() => _ratingController.clear()), child: Icon(Icons.close, size: 14, color: colors.onSurface.withValues(alpha: 0.3))),
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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 _buildStatusOption(String label, String value) {
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final isSelected = _status == value;
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final colors = Theme.of(context).colorScheme;
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return GestureDetector(
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onTap: () => setState(() => _status = value),
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child: AnimatedContainer(
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duration: const Duration(milliseconds: 200),
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padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 8),
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decoration: BoxDecoration(
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color: isSelected ? colors.surface : Colors.transparent,
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borderRadius: BorderRadius.circular(6),
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boxShadow: isSelected ? [BoxShadow(color: colors.onSurface.withValues(alpha: 0.03), blurRadius: 4, offset: const Offset(0, 2))] : null,
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),
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child: Text(label, style: TextStyle(fontSize: 14, fontWeight: isSelected ? FontWeight.w500 : FontWeight.normal, color: isSelected ? colors.onSurface : colors.onSurface.withValues(alpha: 0.4))),
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),
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);
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}
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// ─── 封面选择器 ───
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Widget _buildCoverPicker() {
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final hasCover = _coverPath != null && _coverPath!.isNotEmpty;
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final colors = Theme.of(context).colorScheme;
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return Column(mainAxisSize: MainAxisSize.min, children: [
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GestureDetector(
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onTap: _pickCover,
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child: Container(
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width: 120, height: 170,
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(8)),
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clipBehavior: Clip.antiAlias,
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child: Stack(alignment: Alignment.center, children: [
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if (hasCover) FadeInLocalImage(path: _coverPath, fit: BoxFit.cover) else _buildCoverPlaceholder(),
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if (_isDownloading) Container(color: Colors.black.withValues(alpha: 0.4), child: const CircularProgressIndicator(strokeWidth: 2, color: Colors.white)),
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]),
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),
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),
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if (hasCover)
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Padding(
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padding: const EdgeInsets.only(top: 10),
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child: GestureDetector(
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onTap: () => setState(() => _coverPath = null),
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(16)),
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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Icon(Icons.delete_outline, size: 14, color: colors.onSurface.withValues(alpha: 0.6)),
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const SizedBox(width: 4),
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Text('移除封面', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.6))),
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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 _buildCoverPlaceholder() {
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final colors = Theme.of(context).colorScheme;
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return Column(mainAxisAlignment: MainAxisAlignment.center, children: [
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Icon(Icons.image_outlined, size: 32, color: colors.onSurface.withValues(alpha: 0.25)),
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const SizedBox(height: 8),
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Text('封面', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.35))),
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]);
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}
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Future<void> _pickCover() async {
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final colors = Theme.of(context).colorScheme;
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await 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) {
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final c = Theme.of(ctx).colorScheme;
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return SafeArea(
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 12),
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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Container(width: 36, height: 4, decoration: BoxDecoration(color: c.onSurface.withValues(alpha: 0.15), borderRadius: BorderRadius.circular(2))),
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const SizedBox(height: 16),
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Align(alignment: Alignment.centerLeft, child: Padding(padding: const EdgeInsets.symmetric(horizontal: 20), child: Text('添加封面', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: c.onSurface)))),
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const SizedBox(height: 8),
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ListTile(
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leading: Container(width: 36, height: 36, decoration: BoxDecoration(color: c.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)), child: Icon(Icons.photo_library_outlined, size: 20, color: c.onSurface.withValues(alpha: 0.6))),
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title: Text('从相册选择', style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: c.onSurface)),
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trailing: Icon(Icons.chevron_right, color: c.onSurface.withValues(alpha: 0.25)),
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onTap: () { Navigator.pop(ctx); _pickCoverFromGallery(); },
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),
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Divider(height: 0.5, color: c.outlineVariant),
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ListTile(
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leading: Container(width: 36, height: 36, decoration: BoxDecoration(color: c.surfaceContainerHighest, borderRadius: BorderRadius.circular(10)), child: Icon(Icons.link_outlined, size: 20, color: c.onSurface.withValues(alpha: 0.6))),
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title: Text('网络链接', style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: c.onSurface)),
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trailing: Icon(Icons.chevron_right, color: c.onSurface.withValues(alpha: 0.25)),
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onTap: () { Navigator.pop(ctx); _pickCoverFromUrl(); },
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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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Future<void> _pickCoverFromGallery() async {
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try {
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final picked = await _picker.pickImage(source: ImageSource.gallery, maxWidth: 800, maxHeight: 1200, imageQuality: 85);
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if (picked != null) {
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final fileName = 'cover_${DateTime.now().millisecondsSinceEpoch}.jpg';
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final bookId = widget.book?.id ?? DateTime.now().millisecondsSinceEpoch.toString();
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final targetPath = await ImagePathHelper.instance.getBookCoverPath(bookId, fileName);
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await ImagePathHelper.instance.ensureDirExists(p.dirname(targetPath));
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await File(picked.path).copy(targetPath);
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setState(() => _coverPath = targetPath);
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}
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} catch (e) {
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if (mounted) ToastUtil.show(context, '选择封面失败: $e');
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}
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}
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Future<void> _pickCoverFromUrl() async {
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final urlController = TextEditingController();
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) {
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final c = Theme.of(ctx).colorScheme;
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return AlertDialog(
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backgroundColor: c.surface, elevation: 0,
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||
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
|
||
title: Text('添加网络图片', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: c.onSurface)),
|
||
content: Column(mainAxisSize: MainAxisSize.min, crossAxisAlignment: CrossAxisAlignment.start, children: [
|
||
Text('请输入图片链接地址', style: TextStyle(fontSize: 14, color: c.onSurface.withValues(alpha: 0.6))),
|
||
const SizedBox(height: 12),
|
||
TextField(
|
||
controller: urlController, keyboardType: TextInputType.url,
|
||
style: TextStyle(fontSize: 14, color: c.onSurface),
|
||
decoration: InputDecoration(
|
||
hintText: 'https://example.com/image.jpg',
|
||
hintStyle: TextStyle(color: c.onSurface.withValues(alpha: 0.25)),
|
||
filled: true, fillColor: c.surfaceContainerHigh,
|
||
contentPadding: const EdgeInsets.symmetric(horizontal: 14, vertical: 12),
|
||
border: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: BorderSide.none),
|
||
enabledBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: BorderSide.none),
|
||
focusedBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: BorderSide(color: c.primary, width: 1)),
|
||
),
|
||
),
|
||
]),
|
||
actions: [
|
||
TextButton(onPressed: () => Navigator.pop(ctx, false), child: Text('取消', style: TextStyle(color: c.onSurface.withValues(alpha: 0.6)))),
|
||
ElevatedButton(
|
||
onPressed: () => Navigator.pop(ctx, true),
|
||
style: ElevatedButton.styleFrom(backgroundColor: c.primary, foregroundColor: c.onPrimary, elevation: 0, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)), padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8)),
|
||
child: const Text('确定'),
|
||
),
|
||
],
|
||
);
|
||
},
|
||
);
|
||
|
||
final url = urlController.text.trim();
|
||
urlController.dispose();
|
||
if (confirmed != true || url.isEmpty) return;
|
||
|
||
setState(() => _isDownloading = true);
|
||
try {
|
||
final response = await http.get(Uri.parse(url), headers: {
|
||
'User-Agent': 'Mozilla/5.0 (iPhone; CPU iPhone OS 18_5 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.5 Mobile/15E148 Safari/604.1',
|
||
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8',
|
||
'Referer': Uri.parse(url).replace(path: '/').toString(),
|
||
});
|
||
if (response.statusCode != 200) throw Exception('下载失败: HTTP ${response.statusCode}');
|
||
final ct = response.headers['content-type'];
|
||
if (ct != null && !ct.startsWith('image/')) throw Exception('链接返回的不是图片');
|
||
if (response.bodyBytes.length > 10 * 1024 * 1024) throw Exception('图片太大');
|
||
|
||
final fileName = 'cover_${DateTime.now().millisecondsSinceEpoch}.jpg';
|
||
final bookId = widget.book?.id ?? DateTime.now().millisecondsSinceEpoch.toString();
|
||
final targetPath = await ImagePathHelper.instance.getBookCoverPath(bookId, fileName);
|
||
await ImagePathHelper.instance.ensureDirExists(p.dirname(targetPath));
|
||
await File(targetPath).writeAsBytes(response.bodyBytes);
|
||
setState(() => _coverPath = targetPath);
|
||
} catch (e) {
|
||
debugPrint('封面下载失败: $e');
|
||
if (mounted) ToastUtil.show(context, '下载失败: $e');
|
||
} finally {
|
||
if (mounted) setState(() => _isDownloading = false);
|
||
}
|
||
}
|
||
|
||
// ─── Info Card ───
|
||
|
||
Widget _buildInfoCard({
|
||
required String label,
|
||
required String value,
|
||
required VoidCallback onTap,
|
||
bool required = false,
|
||
IconData? icon,
|
||
Widget? trailing,
|
||
double? height,
|
||
bool scrollable = false,
|
||
}) {
|
||
final hasValue = value.isNotEmpty;
|
||
final colors = Theme.of(context).colorScheme;
|
||
|
||
Widget buildContent() {
|
||
if (scrollable && height != null) {
|
||
return Flexible(
|
||
child: SingleChildScrollView(physics: const BouncingScrollPhysics(),
|
||
child: Text(hasValue ? value : '点击填写', style: TextStyle(fontSize: 15, color: hasValue ? colors.onSurface : colors.onSurface.withValues(alpha: 0.25), fontWeight: hasValue ? FontWeight.w500 : FontWeight.normal))),
|
||
);
|
||
}
|
||
return Text(hasValue ? value : '点击填写', style: TextStyle(fontSize: 15, color: hasValue ? colors.onSurface : colors.onSurface.withValues(alpha: 0.25), fontWeight: hasValue ? FontWeight.w500 : FontWeight.normal), maxLines: 1, overflow: TextOverflow.ellipsis);
|
||
}
|
||
|
||
return GestureDetector(
|
||
onTap: onTap,
|
||
child: Container(
|
||
height: height,
|
||
padding: const EdgeInsets.all(16),
|
||
decoration: BoxDecoration(
|
||
color: colors.surface, borderRadius: BorderRadius.circular(12), border: Border.all(color: colors.outline),
|
||
boxShadow: [BoxShadow(color: colors.onSurface.withValues(alpha: 0.018), blurRadius: 8, offset: const Offset(0, 2))],
|
||
),
|
||
child: Column(crossAxisAlignment: CrossAxisAlignment.start, mainAxisSize: height != null ? MainAxisSize.max : MainAxisSize.min, children: [
|
||
Row(children: [
|
||
if (icon != null) ...[Icon(icon, size: 14, color: colors.onSurface.withValues(alpha: 0.4)), const SizedBox(width: 6)],
|
||
Text(required ? '$label *' : label, style: TextStyle(fontSize: 12, color: required ? colors.onSurface : colors.onSurface.withValues(alpha: 0.4), fontWeight: required ? FontWeight.w500 : FontWeight.normal)),
|
||
if (trailing != null) ...[const Spacer(), trailing],
|
||
]),
|
||
const SizedBox(height: 8),
|
||
buildContent(),
|
||
]),
|
||
),
|
||
);
|
||
}
|
||
|
||
// ─── 数据操作 ───
|
||
|
||
Future<void> _selectPublishDate() async {
|
||
final picked = await showDatePicker(context: context, initialDate: _publishDate ?? DateTime.now(), firstDate: DateTime(1900), lastDate: DateTime.now().add(const Duration(days: 365 * 5)));
|
||
if (picked != null) setState(() => _publishDate = picked);
|
||
}
|
||
|
||
Future<void> _editSummary() async {
|
||
final result = await Navigator.push<String>(context, MaterialPageRoute(builder: (_) => _SummaryEditorPage(initialText: _summaryController.text)));
|
||
if (result != null) setState(() => _summaryController.text = result);
|
||
}
|
||
|
||
bool _hasContent() {
|
||
if (widget.book != null) return true;
|
||
if (_titleController.text.trim().isNotEmpty) return true;
|
||
if (_summaryController.text.trim().isNotEmpty) return true;
|
||
if (_ratingController.text.trim().isNotEmpty) return true;
|
||
if (_isbnController.text.trim().isNotEmpty) return true;
|
||
if (_publisherController.text.trim().isNotEmpty) return true;
|
||
if (_coverPath != null) return true;
|
||
if (_authors.isNotEmpty || _alternateTitles.isNotEmpty || _genres.isNotEmpty) return true;
|
||
if (_publishDate != null) return true;
|
||
return false;
|
||
}
|
||
|
||
Future<bool> _confirmLeave() async {
|
||
if (!_hasContent()) return true;
|
||
final colors = Theme.of(context).colorScheme;
|
||
final result = await showDialog<bool>(
|
||
context: context,
|
||
builder: (ctx) => AlertDialog(
|
||
backgroundColor: colors.surface, elevation: 0, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
|
||
title: Text('未保存', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
||
content: Text('当前内容未保存，确定要离开吗？', style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.5)),
|
||
actions: [
|
||
TextButton(onPressed: () => Navigator.pop(ctx, false), child: Text('取消', style: TextStyle(color: colors.onSurface.withValues(alpha: 0.6)))),
|
||
ElevatedButton(onPressed: () => Navigator.pop(ctx, true),
|
||
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('离开'),
|
||
),
|
||
],
|
||
actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
||
),
|
||
);
|
||
return result ?? false;
|
||
}
|
||
|
||
Future<void> _saveBook() async {
|
||
if (!_formKey.currentState!.validate()) return;
|
||
|
||
try {
|
||
final rating = _ratingController.text.isNotEmpty ? double.tryParse(_ratingController.text) : null;
|
||
final now = DateTime.now();
|
||
|
||
if (widget.book == null) {
|
||
final newBookId = now.millisecondsSinceEpoch.toString();
|
||
String? finalCoverPath;
|
||
if (_coverPath != null && _coverPath!.isNotEmpty) {
|
||
finalCoverPath = await _moveCoverToNewId(_coverPath!, newBookId);
|
||
}
|
||
final newBook = Book(
|
||
id: newBookId, title: _titleController.text.trim(), coverPath: finalCoverPath,
|
||
authors: _authors, alternateTitles: _alternateTitles, publisher: _publisherController.text.trim(),
|
||
genres: _genres, summary: _summaryController.text.trim(), rating: rating, status: _status,
|
||
isbn: _isbnController.text.trim().isNotEmpty ? _isbnController.text.trim() : null,
|
||
publishDate: _publishDate, createdAt: now, updatedAt: now,
|
||
);
|
||
await context.read<AppProvider>().addBook(newBook);
|
||
} else {
|
||
final updatedBook = widget.book!.copyWith(
|
||
title: _titleController.text.trim(), coverPath: _coverPath,
|
||
authors: _authors, alternateTitles: _alternateTitles, publisher: _publisherController.text.trim(),
|
||
genres: _genres, summary: _summaryController.text.trim(), rating: rating, status: _status,
|
||
isbn: _isbnController.text.trim().isNotEmpty ? _isbnController.text.trim() : null,
|
||
publishDate: _publishDate, updatedAt: now,
|
||
);
|
||
await context.read<AppProvider>().updateBook(updatedBook);
|
||
}
|
||
|
||
if (!mounted) return;
|
||
ToastUtil.show(context, widget.book == null ? '添加成功' : '更新成功');
|
||
Navigator.pop(context);
|
||
} catch (e) {
|
||
if (!mounted) return;
|
||
ToastUtil.show(context, '保存失败: $e');
|
||
}
|
||
}
|
||
|
||
Future<String?> _moveCoverToNewId(String currentPath, String newBookId) async {
|
||
final normalizedPath = currentPath.replaceAll('\\', '/');
|
||
if (normalizedPath.contains('/books/$newBookId/')) return currentPath;
|
||
final fileName = p.basename(currentPath);
|
||
final newPath = await ImagePathHelper.instance.getBookCoverPath(newBookId, fileName);
|
||
await ImagePathHelper.instance.ensureDirExists(p.dirname(newPath));
|
||
final currentFile = File(currentPath);
|
||
if (await currentFile.exists()) {
|
||
await currentFile.rename(newPath);
|
||
try { await Directory(p.dirname(currentPath)).delete(recursive: true); } catch (_) {}
|
||
return newPath;
|
||
}
|
||
return null;
|
||
}
|
||
}
|
||
|
||
/// 书籍简介编辑页
|
||
class _SummaryEditorPage extends StatefulWidget {
|
||
final String initialText;
|
||
const _SummaryEditorPage({required this.initialText});
|
||
@override
|
||
State<_SummaryEditorPage> createState() => _SummaryEditorPageState();
|
||
}
|
||
|
||
class _SummaryEditorPageState extends State<_SummaryEditorPage> {
|
||
late final TextEditingController _controller;
|
||
@override
|
||
void initState() { super.initState(); _controller = TextEditingController(text: widget.initialText); }
|
||
@override
|
||
void dispose() { _controller.dispose(); super.dispose(); }
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
final colors = Theme.of(context).colorScheme;
|
||
return Scaffold(
|
||
backgroundColor: colors.surface,
|
||
appBar: AppBar(title: const Text('书籍简介'), actions: [
|
||
TextButton(onPressed: () => Navigator.pop(context, _controller.text.trim()), child: Text('完成', style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.primary))),
|
||
const SizedBox(width: 8),
|
||
]),
|
||
body: TextField(controller: _controller, maxLines: null, expands: true, textAlignVertical: TextAlignVertical.top,
|
||
style: TextStyle(fontSize: 15, color: colors.onSurface, height: 1.6),
|
||
decoration: InputDecoration(hintText: '写下书籍简介...', hintStyle: TextStyle(color: colors.onSurface.withValues(alpha: 0.3)), contentPadding: const EdgeInsets.all(20), border: InputBorder.none),
|
||
),
|
||
);
|
||
}
|
||
}
|
||
|
||
/// 评分输入格式化器：只允许 0-10，最多1位小数
|
||
class _RatingInputFormatter extends TextInputFormatter {
|
||
@override
|
||
TextEditingValue formatEditUpdate(TextEditingValue oldValue, TextEditingValue newValue) {
|
||
final text = newValue.text;
|
||
if (text.isEmpty) return newValue;
|
||
if (!RegExp(r'^\d{0,2}\.?\d{0,1}$').hasMatch(text)) return oldValue;
|
||
final n = double.tryParse(text);
|
||
if (n != null && n > 10) return oldValue;
|
||
return newValue;
|
||
}
|
||
}
|