generated from dellevin/template
1260 lines
39 KiB
Dart
1260 lines
39 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:path_provider/path_provider.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 '../../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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/// 添加/编辑书籍页面 - 紧凑双行布局设计
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class BookFormPage extends StatefulWidget {
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final Book? book;
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final String? initialStatus; // 添加时的默认状态
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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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// 输入框控制器
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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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// 多值字段的临时输入控制器
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final Map<String, TextEditingController> _tagControllers = {};
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// 数据
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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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@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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// 如果有传入book，尝试从Provider获取最新数据
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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
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.where((b) => b.id == book!.id)
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.firstOrNull;
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if (latestBook != null) {
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book = latestBook;
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}
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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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// 添加模式：使用传入的默认状态
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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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_tagControllers.values.forEach((c) => c.dispose());
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super.dispose();
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}
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TextEditingController _getTagController(String key) {
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return _tagControllers.putIfAbsent(key, () => TextEditingController());
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}
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/// 构建右上角操作按钮
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Widget _buildActionButton({
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required IconData icon,
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required VoidCallback onPressed,
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required String tooltip,
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Color color = const Color(0xFF1A1A1A),
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}) {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 4, vertical: 8),
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decoration: BoxDecoration(
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color: Colors.white.withOpacity(0.9),
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borderRadius: BorderRadius.circular(8),
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),
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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(
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padding: const EdgeInsets.all(8),
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child: Icon(
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icon,
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color: color,
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size: 22,
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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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@override
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Widget build(BuildContext context) {
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final isEdit = widget.book != null;
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return Scaffold(
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backgroundColor: Colors.white,
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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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// 保存按钮
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_buildActionButton(
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icon: Icons.save_outlined,
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onPressed: _saveBook,
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tooltip: '保存',
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),
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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: 24, vertical: 16),
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children: [
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// 封面选择 - 居中显示
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Center(child: _buildCoverPicker()),
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const SizedBox(height: 32),
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// 状态选择（靠左显示）
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_buildStatusSelector(),
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const SizedBox(height: 20),
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// 评分 - 星星选择（靠左显示）
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_buildStarRating(),
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const SizedBox(height: 32),
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// 书名
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_buildHorizontalFormItem(
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label: '书名',
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required: true,
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child: TextFormField(
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controller: _titleController,
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style: const TextStyle(fontSize: 15, color: Color(0xFF1A1A1A)),
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decoration: const InputDecoration(
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hintText: '请输入书名',
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hintStyle: TextStyle(fontSize: 14, color: Color(0xFFCCCCCC)),
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border: InputBorder.none,
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contentPadding: EdgeInsets.zero,
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),
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return '请输入书名';
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}
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return null;
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},
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),
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),
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const SizedBox(height: 16),
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// 别名
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_buildHorizontalMultiValueItem(
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label: '别名',
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values: _alternateTitles,
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hint: '输入别名',
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controllerKey: 'alternateTitles',
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onAdd: (v) => setState(() => _alternateTitles.add(v)),
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onRemove: (i) => setState(() => _alternateTitles.removeAt(i)),
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),
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const SizedBox(height: 16),
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// 作者
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_buildHorizontalMultiValueItem(
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label: '作者',
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values: _authors,
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hint: '输入作者姓名',
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controllerKey: 'authors',
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onAdd: (v) => setState(() => _authors.add(v)),
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onRemove: (i) => setState(() => _authors.removeAt(i)),
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),
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const SizedBox(height: 16),
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// 出版社
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_buildHorizontalFormItem(
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label: '出版社',
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child: TextFormField(
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controller: _publisherController,
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style: const TextStyle(fontSize: 15, color: Color(0xFF1A1A1A)),
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decoration: const InputDecoration(
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hintText: '请输入出版社',
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hintStyle: TextStyle(fontSize: 14, color: Color(0xFFCCCCCC)),
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border: InputBorder.none,
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contentPadding: EdgeInsets.zero,
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),
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),
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),
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const SizedBox(height: 16),
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// 类型
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_buildHorizontalMultiValueItem(
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label: '类型',
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values: _genres,
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hint: '如：小说、历史、传记',
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controllerKey: 'genres',
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onAdd: (v) => setState(() => _genres.add(v)),
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onRemove: (i) => setState(() => _genres.removeAt(i)),
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),
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const SizedBox(height: 16),
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// ISBN
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_buildHorizontalFormItem(
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label: 'ISBN',
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child: TextFormField(
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controller: _isbnController,
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style: const TextStyle(fontSize: 15, color: Color(0xFF1A1A1A)),
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decoration: const InputDecoration(
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hintText: '请输入ISBN编号',
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hintStyle: TextStyle(fontSize: 14, color: Color(0xFFCCCCCC)),
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border: InputBorder.none,
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contentPadding: EdgeInsets.zero,
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),
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),
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),
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const SizedBox(height: 16),
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// 出版社
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_buildHorizontalFormItem(
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label: '出版社',
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child: TextFormField(
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controller: _publisherController,
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style: const TextStyle(fontSize: 15, color: Color(0xFF1A1A1A)),
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decoration: const InputDecoration(
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hintText: '请输入出版社名称',
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hintStyle: TextStyle(fontSize: 14, color: Color(0xFFCCCCCC)),
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border: InputBorder.none,
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contentPadding: EdgeInsets.zero,
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),
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),
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),
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const SizedBox(height: 16),
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// 出版时间
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_buildVerticalDateItem(
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label: '出版时间',
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date: _publishDate,
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onTap: _selectPublishDate,
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onClear: () => setState(() => _publishDate = null),
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),
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const SizedBox(height: 16),
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// 书籍简介
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_buildFormItem(
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label: '书籍简介',
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child: TextFormField(
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controller: _summaryController,
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maxLines: 4,
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style: const TextStyle(fontSize: 15, color: Color(0xFF1A1A1A), height: 1.5),
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decoration: const InputDecoration(
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hintText: '写下书籍简介...',
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hintStyle: TextStyle(fontSize: 14, color: Color(0xFFCCCCCC)),
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border: InputBorder.none,
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contentPadding: EdgeInsets.zero,
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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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/// 构建表单条目（标签 + 内容）- 书籍简介使用
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Widget _buildFormItem({required String label, required Widget child}) {
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return Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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label,
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style: const TextStyle(fontSize: 13, color: Color(0xFF666666)),
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),
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const SizedBox(height: 8),
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child,
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],
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);
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}
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/// 构建横向表单条目（标签在左，内容在右）
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Widget _buildHorizontalFormItem({
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required String label,
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required Widget child,
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bool required = false,
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}) {
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return Row(
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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SizedBox(
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width: 48,
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child: Text(
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required ? '$label *' : label,
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style: TextStyle(
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fontSize: 13,
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color: required ? const Color(0xFF1A1A1A) : const Color(0xFF999999),
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fontWeight: required ? FontWeight.w500 : FontWeight.normal,
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),
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),
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),
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const SizedBox(width: 16),
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Expanded(child: child),
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],
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);
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}
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/// 构建横向多值条目（标签在左，内容在右）
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Widget _buildHorizontalMultiValueItem({
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required String label,
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required List<String> values,
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required String hint,
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required String controllerKey,
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required Function(String) onAdd,
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required Function(int) onRemove,
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}) {
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final controller = _getTagController(controllerKey);
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return Row(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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SizedBox(
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width: 48,
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child: Padding(
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padding: const EdgeInsets.only(top: 8),
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child: Text(
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label,
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style: const TextStyle(fontSize: 13, color: Color(0xFF999999)),
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),
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),
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),
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const SizedBox(width: 16),
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Expanded(
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||
child: Wrap(
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spacing: 8,
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runSpacing: 8,
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crossAxisAlignment: WrapCrossAlignment.center,
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children: [
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...values.asMap().entries.map((entry) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 5),
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decoration: BoxDecoration(
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||
color: const Color(0xFFF5F5F5),
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||
borderRadius: BorderRadius.circular(4),
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||
),
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||
child: Row(
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||
mainAxisSize: MainAxisSize.min,
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||
children: [
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||
Text(
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||
entry.value,
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||
style: const TextStyle(fontSize: 14, color: Color(0xFF1A1A1A)),
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||
),
|
||
const SizedBox(width: 4),
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||
GestureDetector(
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||
onTap: () => onRemove(entry.key),
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||
child: const Icon(Icons.close, size: 14, color: Color(0xFF999999)),
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),
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||
],
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),
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);
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}),
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||
// 输入框
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ConstrainedBox(
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||
constraints: const BoxConstraints(minWidth: 80, maxWidth: 120),
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||
child: TextField(
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||
controller: controller,
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||
style: const TextStyle(fontSize: 14, color: Color(0xFF1A1A1A)),
|
||
decoration: InputDecoration(
|
||
hintText: values.isEmpty ? hint : '',
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||
hintStyle: const TextStyle(fontSize: 13, color: Color(0xFFCCCCCC)),
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||
border: InputBorder.none,
|
||
isDense: true,
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||
contentPadding: const EdgeInsets.symmetric(vertical: 6),
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||
),
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||
onSubmitted: (value) {
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||
final trimmed = value.trim();
|
||
if (trimmed.isNotEmpty && !values.contains(trimmed)) {
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||
onAdd(trimmed);
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||
controller.clear();
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||
}
|
||
},
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||
),
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||
),
|
||
],
|
||
),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
/// 构建多值条目
|
||
Widget _buildMultiValueItem({
|
||
required String label,
|
||
required List<String> values,
|
||
required String hint,
|
||
required String controllerKey,
|
||
required Function(String) onAdd,
|
||
required Function(int) onRemove,
|
||
}) {
|
||
final controller = _getTagController(controllerKey);
|
||
|
||
return Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
// 第一行：标签 + 添加按钮
|
||
Row(
|
||
children: [
|
||
Text(
|
||
label,
|
||
style: const TextStyle(fontSize: 13, color: Color(0xFF666666)),
|
||
),
|
||
const Spacer(),
|
||
// 添加按钮（当输入框有内容时显示）
|
||
ValueListenableBuilder<TextEditingValue>(
|
||
valueListenable: controller,
|
||
builder: (context, value, child) {
|
||
final hasText = value.text.trim().isNotEmpty;
|
||
return GestureDetector(
|
||
onTap: hasText
|
||
? () {
|
||
final text = controller.text.trim();
|
||
if (text.isNotEmpty && !values.contains(text)) {
|
||
onAdd(text);
|
||
controller.clear();
|
||
}
|
||
}
|
||
: null,
|
||
child: Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
|
||
decoration: BoxDecoration(
|
||
border: Border.all(
|
||
color: hasText ? const Color(0xFF1A1A1A) : const Color(0xFFE5E5E5),
|
||
),
|
||
),
|
||
child: Row(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
Icon(
|
||
Icons.add,
|
||
size: 14,
|
||
color: hasText ? const Color(0xFF1A1A1A) : const Color(0xFFCCCCCC),
|
||
),
|
||
const SizedBox(width: 2),
|
||
Text(
|
||
'添加',
|
||
style: TextStyle(
|
||
fontSize: 12,
|
||
color: hasText ? const Color(0xFF1A1A1A) : const Color(0xFFCCCCCC),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
);
|
||
},
|
||
),
|
||
],
|
||
),
|
||
const SizedBox(height: 8),
|
||
// 第二行：已选标签 + 输入框
|
||
Wrap(
|
||
spacing: 8,
|
||
runSpacing: 8,
|
||
crossAxisAlignment: WrapCrossAlignment.center,
|
||
children: [
|
||
...values.asMap().entries.map((entry) {
|
||
return Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 5),
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFFF5F5F5),
|
||
border: Border.all(color: const Color(0xFFE5E5E5)),
|
||
),
|
||
child: Row(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
Text(
|
||
entry.value,
|
||
style: const TextStyle(fontSize: 14, color: Color(0xFF1A1A1A)),
|
||
),
|
||
const SizedBox(width: 4),
|
||
GestureDetector(
|
||
onTap: () => onRemove(entry.key),
|
||
child: const Icon(Icons.close, size: 14, color: Color(0xFF999999)),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
}),
|
||
// 输入框
|
||
ConstrainedBox(
|
||
constraints: const BoxConstraints(minWidth: 100, maxWidth: 150),
|
||
child: TextField(
|
||
controller: controller,
|
||
style: const TextStyle(fontSize: 14, color: Color(0xFF1A1A1A)),
|
||
decoration: InputDecoration(
|
||
hintText: values.isEmpty ? hint : '',
|
||
hintStyle: const TextStyle(fontSize: 14, color: Color(0xFFCCCCCC)),
|
||
border: InputBorder.none,
|
||
isDense: true,
|
||
contentPadding: const EdgeInsets.symmetric(vertical: 5),
|
||
),
|
||
onSubmitted: (value) {
|
||
final trimmed = value.trim();
|
||
if (trimmed.isNotEmpty && !values.contains(trimmed)) {
|
||
onAdd(trimmed);
|
||
controller.clear();
|
||
}
|
||
},
|
||
),
|
||
),
|
||
],
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
|
||
/// 构建状态选择器（靠左显示，带标签）
|
||
Widget _buildStatusSelector() {
|
||
return Row(
|
||
children: [
|
||
const Text(
|
||
'状态',
|
||
style: TextStyle(fontSize: 14, color: Color(0xFF666666)),
|
||
),
|
||
const SizedBox(width: 16),
|
||
Container(
|
||
padding: const EdgeInsets.all(4),
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFFF5F5F5),
|
||
borderRadius: BorderRadius.circular(8),
|
||
),
|
||
child: Row(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
_buildStatusOption('想读', 'want_to_read'),
|
||
_buildStatusOption('在读', 'reading'),
|
||
_buildStatusOption('已读', 'read'),
|
||
],
|
||
),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
/// 构建星星评分（5星制，每星2分，支持手动输入）
|
||
Widget _buildStarRating() {
|
||
return Row(
|
||
children: [
|
||
const Text(
|
||
'评分',
|
||
style: TextStyle(fontSize: 14, color: Color(0xFF666666)),
|
||
),
|
||
const SizedBox(width: 16),
|
||
// 星星选择
|
||
_buildStarSelector(),
|
||
const SizedBox(width: 12),
|
||
// 手动输入框
|
||
_buildRatingInputField(),
|
||
],
|
||
);
|
||
}
|
||
|
||
/// 构建星星选择器
|
||
Widget _buildStarSelector() {
|
||
final currentRating = double.tryParse(_ratingController.text) ?? 0;
|
||
final starRating = currentRating / 2;
|
||
|
||
return Container(
|
||
padding: const EdgeInsets.symmetric(vertical: 8),
|
||
child: Row(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: List.generate(5, (index) {
|
||
final starValue = index + 1;
|
||
final scoreValue = starValue * 2;
|
||
final isFilled = starValue <= starRating;
|
||
final isHalf = starValue == starRating.ceil() && starRating % 1 != 0;
|
||
|
||
return InkWell(
|
||
onTap: () {
|
||
setState(() {
|
||
_ratingController.text = scoreValue.toString();
|
||
});
|
||
},
|
||
borderRadius: BorderRadius.circular(4),
|
||
child: Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 2, vertical: 4),
|
||
child: Icon(
|
||
isHalf
|
||
? Icons.star_half
|
||
: isFilled
|
||
? Icons.star
|
||
: Icons.star_border,
|
||
size: 24,
|
||
color: isFilled || isHalf
|
||
? const Color(0xFFFFB800)
|
||
: const Color(0xFFE5E5E5),
|
||
),
|
||
),
|
||
);
|
||
}),
|
||
),
|
||
);
|
||
}
|
||
|
||
/// 构建评分输入框
|
||
Widget _buildRatingInputField() {
|
||
return Container(
|
||
width: 56,
|
||
height: 36,
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFFF5F5F5),
|
||
borderRadius: BorderRadius.circular(8),
|
||
),
|
||
child: TextFormField(
|
||
controller: _ratingController,
|
||
keyboardType: const TextInputType.numberWithOptions(decimal: true),
|
||
textAlign: TextAlign.center,
|
||
style: const TextStyle(
|
||
fontSize: 15,
|
||
fontWeight: FontWeight.w500,
|
||
color: Color(0xFF1A1A1A),
|
||
),
|
||
decoration: const InputDecoration(
|
||
hintText: '-',
|
||
hintStyle: TextStyle(fontSize: 15, color: Color(0xFFCCCCCC)),
|
||
border: InputBorder.none,
|
||
contentPadding: EdgeInsets.symmetric(horizontal: 8, vertical: 8),
|
||
),
|
||
validator: (value) {
|
||
if (value != null && value.isNotEmpty) {
|
||
final rating = double.tryParse(value);
|
||
if (rating == null || rating < 0 || rating > 10) {
|
||
return '0-10';
|
||
}
|
||
}
|
||
return null;
|
||
},
|
||
onChanged: (value) {
|
||
// 限制输入范围
|
||
if (value.isNotEmpty) {
|
||
final rating = double.tryParse(value);
|
||
if (rating != null) {
|
||
if (rating > 10) {
|
||
_ratingController.text = '10';
|
||
} else if (rating < 0) {
|
||
_ratingController.text = '0';
|
||
}
|
||
}
|
||
}
|
||
setState(() {}); // 更新星星显示
|
||
},
|
||
),
|
||
);
|
||
}
|
||
|
||
/// 构建纵向日期条目（标签在上，日期在下）
|
||
Widget _buildVerticalDateItem({
|
||
required String label,
|
||
required DateTime? date,
|
||
required VoidCallback onTap,
|
||
required VoidCallback onClear,
|
||
}) {
|
||
return Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
Text(
|
||
label,
|
||
style: const TextStyle(fontSize: 13, color: Color(0xFF999999)),
|
||
),
|
||
const SizedBox(height: 8),
|
||
GestureDetector(
|
||
onTap: onTap,
|
||
child: Row(
|
||
children: [
|
||
Expanded(
|
||
child: Text(
|
||
date != null
|
||
? '${date.year}.${date.month.toString().padLeft(2, '0')}.${date.day.toString().padLeft(2, '0')}'
|
||
: '选择日期',
|
||
style: TextStyle(
|
||
fontSize: 15,
|
||
color: date != null
|
||
? const Color(0xFF1A1A1A)
|
||
: const Color(0xFFCCCCCC),
|
||
),
|
||
),
|
||
),
|
||
if (date != null)
|
||
GestureDetector(
|
||
onTap: onClear,
|
||
child: const Icon(Icons.close, size: 18, color: Color(0xFF999999)),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
/// 选择出版时间
|
||
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)),
|
||
builder: (context, child) {
|
||
return Theme(
|
||
data: Theme.of(context).copyWith(
|
||
colorScheme: const ColorScheme.light(
|
||
primary: Color(0xFF1A1A1A),
|
||
),
|
||
),
|
||
child: child!,
|
||
);
|
||
},
|
||
);
|
||
|
||
if (picked != null) {
|
||
setState(() => _publishDate = picked);
|
||
}
|
||
}
|
||
|
||
/// 构建状态选项
|
||
Widget _buildStatusOption(String label, String value) {
|
||
final isSelected = _status == value;
|
||
|
||
return GestureDetector(
|
||
onTap: () => setState(() => _status = value),
|
||
child: AnimatedContainer(
|
||
duration: const Duration(milliseconds: 200),
|
||
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 8),
|
||
decoration: BoxDecoration(
|
||
color: isSelected ? Colors.white : Colors.transparent,
|
||
borderRadius: BorderRadius.circular(6),
|
||
boxShadow: isSelected
|
||
? [
|
||
BoxShadow(
|
||
color: Colors.black.withOpacity(0.05),
|
||
blurRadius: 4,
|
||
offset: const Offset(0, 2),
|
||
),
|
||
]
|
||
: null,
|
||
),
|
||
child: Text(
|
||
label,
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
fontWeight: isSelected ? FontWeight.w500 : FontWeight.normal,
|
||
color: isSelected ? const Color(0xFF1A1A1A) : const Color(0xFF999999),
|
||
),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
/// 构建封面选择器
|
||
Widget _buildCoverPicker() {
|
||
final hasCover = _coverPath != null && _coverPath!.isNotEmpty;
|
||
|
||
return Column(
|
||
children: [
|
||
GestureDetector(
|
||
onTap: _pickCover,
|
||
child: Container(
|
||
width: 140,
|
||
height: 200,
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFFF5F5F5),
|
||
border: Border.all(color: const Color(0xFFE5E5E5), width: 0.5),
|
||
),
|
||
child: hasCover
|
||
? Image.file(
|
||
File(_coverPath!),
|
||
fit: BoxFit.cover,
|
||
errorBuilder: (_, __, ___) => _buildCoverPlaceholder(),
|
||
)
|
||
: _buildCoverPlaceholder(),
|
||
),
|
||
),
|
||
// 清空封面按钮（仅当有封面时显示）
|
||
if (hasCover)
|
||
Padding(
|
||
padding: const EdgeInsets.only(top: 12),
|
||
child: GestureDetector(
|
||
onTap: () => setState(() => _coverPath = null),
|
||
child: Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 6),
|
||
decoration: BoxDecoration(
|
||
border: Border.all(color: const Color(0xFFE5E5E5)),
|
||
),
|
||
child: const Row(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
Icon(
|
||
Icons.hide_image_outlined,
|
||
size: 16,
|
||
color: Color(0xFF666666),
|
||
),
|
||
SizedBox(width: 4),
|
||
Text(
|
||
'清空封面',
|
||
style: TextStyle(
|
||
fontSize: 13,
|
||
color: Color(0xFF666666),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
Widget _buildCoverPlaceholder() {
|
||
return const Column(
|
||
mainAxisAlignment: MainAxisAlignment.center,
|
||
children: [
|
||
Icon(
|
||
Icons.add_photo_alternate_outlined,
|
||
size: 40,
|
||
color: Color(0xFF999999),
|
||
),
|
||
SizedBox(height: 12),
|
||
Text(
|
||
'点击添加封面',
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
color: Color(0xFF999999),
|
||
),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
/// 选择封面
|
||
Future<void> _pickCover() async {
|
||
// 显示选择对话框
|
||
final result = await showModalBottomSheet<int>(
|
||
context: context,
|
||
backgroundColor: Colors.white,
|
||
shape: const RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.vertical(top: Radius.circular(16)),
|
||
),
|
||
builder: (context) => SafeArea(
|
||
child: Padding(
|
||
padding: const EdgeInsets.symmetric(vertical: 16),
|
||
child: Column(
|
||
mainAxisSize: MainAxisSize.min,
|
||
children: [
|
||
// 顶部指示条
|
||
Container(
|
||
width: 40,
|
||
height: 4,
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFFE0E0E0),
|
||
borderRadius: BorderRadius.circular(2),
|
||
),
|
||
),
|
||
const SizedBox(height: 20),
|
||
// 标题
|
||
const Padding(
|
||
padding: EdgeInsets.symmetric(horizontal: 24),
|
||
child: Align(
|
||
alignment: Alignment.centerLeft,
|
||
child: Text(
|
||
'添加封面',
|
||
style: TextStyle(
|
||
fontSize: 18,
|
||
fontWeight: FontWeight.w600,
|
||
color: Color(0xFF1A1A1A),
|
||
),
|
||
),
|
||
),
|
||
),
|
||
const SizedBox(height: 16),
|
||
// 本地图片选项
|
||
_buildCoverOption(
|
||
icon: Icons.photo_library_outlined,
|
||
title: '从相册选择',
|
||
onTap: () {
|
||
Navigator.pop(context, 0);
|
||
},
|
||
),
|
||
// 网络链接选项
|
||
_buildCoverOption(
|
||
icon: Icons.link_outlined,
|
||
title: '网络链接',
|
||
onTap: () {
|
||
Navigator.pop(context, 1);
|
||
},
|
||
),
|
||
],
|
||
),
|
||
),
|
||
),
|
||
);
|
||
|
||
if (result == null) return;
|
||
|
||
if (result == 0) {
|
||
await _pickCoverFromGallery();
|
||
} else if (result == 1) {
|
||
await _pickCoverFromUrl();
|
||
}
|
||
}
|
||
|
||
/// 从相册选择封面
|
||
Future<void> _pickCoverFromGallery() async {
|
||
try {
|
||
final XFile? pickedFile = await _picker.pickImage(
|
||
source: ImageSource.gallery,
|
||
maxWidth: 800,
|
||
maxHeight: 1200,
|
||
imageQuality: 85,
|
||
);
|
||
|
||
if (pickedFile != null) {
|
||
// 生成文件名
|
||
final fileName = 'cover_${DateTime.now().millisecondsSinceEpoch}.jpg';
|
||
|
||
// 如果是编辑模式，使用现有书籍ID；如果是新建模式，使用临时ID（保存时会替换）
|
||
final bookId = widget.book?.id ?? DateTime.now().millisecondsSinceEpoch.toString();
|
||
|
||
// 保存到新的路径结构: images/books/{bookId}/{fileName}
|
||
final targetPath = await ImagePathHelper.instance.getBookCoverPath(
|
||
bookId,
|
||
fileName
|
||
);
|
||
await ImagePathHelper.instance.ensureDirExists(p.dirname(targetPath));
|
||
|
||
await File(pickedFile.path).copy(targetPath);
|
||
|
||
setState(() => _coverPath = targetPath);
|
||
}
|
||
} catch (e) {
|
||
if (mounted) {
|
||
ToastUtil.show(context, '选择封面失败: $e');
|
||
}
|
||
}
|
||
}
|
||
|
||
/// 从网络链接选择封面
|
||
Future<void> _pickCoverFromUrl() async {
|
||
final urlController = TextEditingController();
|
||
|
||
final confirmed = await showDialog<bool>(
|
||
context: context,
|
||
builder: (context) => AlertDialog(
|
||
backgroundColor: Colors.white,
|
||
elevation: 0,
|
||
shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
|
||
title: const Text('添加网络图片'),
|
||
content: Column(
|
||
mainAxisSize: MainAxisSize.min,
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
const Text(
|
||
'请输入图片链接地址',
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
color: Color(0xFF666666),
|
||
),
|
||
),
|
||
const SizedBox(height: 12),
|
||
TextField(
|
||
controller: urlController,
|
||
decoration: const InputDecoration(
|
||
hintText: 'https://book.doban.com/image.jpg',
|
||
hintStyle: TextStyle(color: Color(0xFFCCCCCC)),
|
||
border: UnderlineInputBorder(),
|
||
enabledBorder: UnderlineInputBorder(
|
||
borderSide: BorderSide(color: Color.fromARGB(255, 58, 49, 49)),
|
||
),
|
||
focusedBorder: UnderlineInputBorder(
|
||
borderSide: BorderSide(color: Color(0xFF1A1A1A)),
|
||
),
|
||
),
|
||
style: const TextStyle(fontSize: 14),
|
||
keyboardType: TextInputType.url,
|
||
),
|
||
],
|
||
),
|
||
actions: [
|
||
TextButton(
|
||
onPressed: () => Navigator.pop(context, false),
|
||
child: const Text('取消', style: TextStyle(color: Color(0xFF666666))),
|
||
),
|
||
TextButton(
|
||
onPressed: () => Navigator.pop(context, true),
|
||
child: const Text('确定', style: TextStyle(color: Color(0xFF1A1A1A))),
|
||
),
|
||
],
|
||
),
|
||
);
|
||
|
||
if (confirmed != true) return;
|
||
|
||
final url = urlController.text.trim();
|
||
if (url.isEmpty) {
|
||
ToastUtil.show(context, '请输入图片链接');
|
||
return;
|
||
}
|
||
|
||
try {
|
||
// 下载网络图片
|
||
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': 'https://book.douban.com/',
|
||
},
|
||
);
|
||
|
||
if (response.statusCode != 200) {
|
||
throw Exception('下载失败: HTTP ${response.statusCode}');
|
||
}
|
||
|
||
// 检查内容类型
|
||
final contentType = response.headers['content-type'];
|
||
if (contentType != null && !contentType.startsWith('image/')) {
|
||
throw Exception('链接返回的不是图片');
|
||
}
|
||
|
||
// 检查文件大小（最大 10MB）
|
||
if (response.bodyBytes.length > 10 * 1024 * 1024) {
|
||
throw Exception('图片太大');
|
||
}
|
||
|
||
// 生成文件名
|
||
final fileName = 'cover_${DateTime.now().millisecondsSinceEpoch}.jpg';
|
||
|
||
// 如果是编辑模式，使用现有书籍ID；如果是新建模式，使用临时ID
|
||
final bookId = widget.book?.id ?? DateTime.now().millisecondsSinceEpoch.toString();
|
||
|
||
// 保存到新的路径结构
|
||
final targetPath = await ImagePathHelper.instance.getBookCoverPath(
|
||
bookId,
|
||
fileName
|
||
);
|
||
await ImagePathHelper.instance.ensureDirExists(p.dirname(targetPath));
|
||
|
||
// 写入文件
|
||
await File(targetPath).writeAsBytes(response.bodyBytes);
|
||
|
||
setState(() => _coverPath = targetPath);
|
||
|
||
if (mounted) {
|
||
ToastUtil.show(context, '添加成功');
|
||
}
|
||
} catch (e) {
|
||
if (mounted) {
|
||
ToastUtil.show(context, '添加失败: $e');
|
||
}
|
||
}
|
||
}
|
||
|
||
/// 构建封面选项
|
||
Widget _buildCoverOption({
|
||
required IconData icon,
|
||
required String title,
|
||
required VoidCallback onTap,
|
||
}) {
|
||
return InkWell(
|
||
onTap: onTap,
|
||
child: Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 24, vertical: 16),
|
||
child: Row(
|
||
children: [
|
||
Container(
|
||
width: 44,
|
||
height: 44,
|
||
decoration: BoxDecoration(
|
||
color: const Color(0xFFF5F5F5),
|
||
borderRadius: BorderRadius.circular(10),
|
||
),
|
||
child: Icon(
|
||
icon,
|
||
size: 22,
|
||
color: const Color(0xFF666666),
|
||
),
|
||
),
|
||
const SizedBox(width: 16),
|
||
Text(
|
||
title,
|
||
style: const TextStyle(
|
||
fontSize: 16,
|
||
color: Color(0xFF1A1A1A),
|
||
),
|
||
),
|
||
const Spacer(),
|
||
const Icon(
|
||
Icons.chevron_right,
|
||
color: Color(0xFFCCCCCC),
|
||
size: 20,
|
||
),
|
||
],
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
/// 保存书籍
|
||
Future<void> _saveBook() async {
|
||
if (!_formKey.currentState!.validate()) {
|
||
return;
|
||
}
|
||
|
||
final rating = _ratingController.text.isNotEmpty
|
||
? double.tryParse(_ratingController.text)
|
||
: null;
|
||
|
||
final now = DateTime.now();
|
||
|
||
if (widget.book == null) {
|
||
// 生成新的书籍ID
|
||
final newBookId = now.millisecondsSinceEpoch.toString();
|
||
|
||
// 如果有封面，需要移动到正确的ID目录
|
||
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);
|
||
}
|
||
|
||
/// 将封面从临时ID目录移动到新的书籍ID目录
|
||
Future<String?> _moveCoverToNewId(String currentPath, String newBookId) async {
|
||
// 检查是否已经在正确的目录中（兼容 Windows 路径分隔符）
|
||
final normalizedPath = currentPath.replaceAll('\\', '/');
|
||
if (normalizedPath.contains('/books/$newBookId/')) {
|
||
return currentPath;
|
||
}
|
||
|
||
// 提取文件名
|
||
final fileName = p.basename(currentPath);
|
||
|
||
// 获取新路径
|
||
final newPath = await ImagePathHelper.instance.getBookCoverPath(
|
||
newBookId,
|
||
fileName
|
||
);
|
||
|
||
// 确保目标目录存在
|
||
await ImagePathHelper.instance.ensureDirExists(p.dirname(newPath));
|
||
|
||
// 移动文件
|
||
final currentFile = File(currentPath);
|
||
if (await currentFile.exists()) {
|
||
await currentFile.rename(newPath);
|
||
|
||
// 删除空的临时目录
|
||
final tempDir = Directory(p.dirname(currentPath));
|
||
if (await tempDir.exists()) {
|
||
try {
|
||
await tempDir.delete(recursive: true);
|
||
} catch (e) {
|
||
// 忽略删除目录失败的情况
|
||
}
|
||
}
|
||
|
||
return newPath;
|
||
}
|
||
|
||
return null;
|
||
}
|
||
}
|