generated from dellevin/template
392 lines
22 KiB
Dart
392 lines
22 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 'package:uuid/uuid.dart';
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import '../../widgets/fade_in_local_image.dart';
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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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import '../../widgets/genre_selector_page.dart';
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class BookAddPage extends StatefulWidget {
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final VoidCallback? onCancel;
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final String? initialStatus;
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const BookAddPage({super.key, this.onCancel, this.initialStatus});
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@override
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State<BookAddPage> createState() => _BookAddPageState();
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}
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class _BookAddPageState extends State<BookAddPage> {
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final _formKey = GlobalKey<FormState>();
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final ImagePicker _picker = ImagePicker();
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late TextEditingController _titleCtrl;
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late TextEditingController _summaryCtrl;
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late TextEditingController _ratingCtrl;
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late TextEditingController _publisherCtrl;
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late TextEditingController _isbnCtrl;
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List<String> _authors = [];
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List<String> _translators = [];
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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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DateTime? _startDate;
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DateTime? _finishDate;
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bool _isDownloading = false;
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String? _tempId;
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@override
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void initState() {
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super.initState();
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_tempId = const Uuid().v4();
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_status = widget.initialStatus ?? 'want_to_read';
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_titleCtrl = TextEditingController();
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_summaryCtrl = TextEditingController();
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_ratingCtrl = TextEditingController();
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_publisherCtrl = TextEditingController();
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_isbnCtrl = TextEditingController();
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}
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@override
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void dispose() {
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_titleCtrl.dispose();
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_summaryCtrl.dispose();
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_ratingCtrl.dispose();
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_publisherCtrl.dispose();
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_isbnCtrl.dispose();
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super.dispose();
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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 hasCover = _coverPath != null && _coverPath!.isNotEmpty;
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return Scaffold(
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backgroundColor: colors.surface,
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body: Form(
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key: _formKey,
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child: Column(
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children: [
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// 顶栏
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Container(height: 48,
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decoration: BoxDecoration(color: colors.surface,
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border: Border(bottom: BorderSide(color: colors.outlineVariant, width: 0.5))),
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child: Row(children: [
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IconButton(icon: Icon(Icons.close, color: colors.onSurface, size: 18),
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onPressed: () => widget.onCancel?.call()),
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Expanded(child: Text('添加书籍',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: colors.onSurface))),
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FilledButton.icon(onPressed: _save,
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icon: const Icon(Icons.check, size: 16), label: const Text('保存'),
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style: FilledButton.styleFrom(padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)))),
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const SizedBox(width: 12),
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]),
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),
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// 主体：左封面+右表单
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Expanded(
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child: Row(crossAxisAlignment: CrossAxisAlignment.start, children: [
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// 左侧
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Container(width: 240, padding: const EdgeInsets.all(20), child: Column(children: [
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GestureDetector(onTap: _showCoverOptions, child: Container(
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width: 200, height: 280,
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(12)),
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clipBehavior: Clip.antiAlias,
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child: Stack(alignment: Alignment.center, children: [
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hasCover ? FadeInLocalImage(path: _coverPath, fit: BoxFit.cover)
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: 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('点击添加封面', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.35))),
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]),
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if (_isDownloading) Container(color: Colors.black.withValues(alpha: 0.4),
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child: const CircularProgressIndicator(strokeWidth: 2, color: Colors.white)),
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]),
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)),
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if (hasCover) Padding(padding: const EdgeInsets.only(top: 8),
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child: GestureDetector(onTap: () => setState(() => _coverPath = null),
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child: Text('移除封面', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.5))))),
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const SizedBox(height: 20),
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_label('状态', colors), const SizedBox(height: 6),
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Container(padding: const EdgeInsets.all(2),
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(6)),
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child: Wrap(spacing: 0, runSpacing: 4, children: [
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_statusChip('想读', 'want_to_read', colors), _statusChip('在读', 'reading', colors),
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_statusChip('已读', 'read', colors), _statusChip('弃读', 'abandoned', colors),
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])),
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const SizedBox(height: 16),
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_label('评分', colors), const SizedBox(height: 6),
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_buildRatingRow(colors),
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])),
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// 右侧表单
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Expanded(child: SingleChildScrollView(
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padding: const EdgeInsets.fromLTRB(0, 20, 24, 80),
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child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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_field('名称', _titleCtrl, hint: '书籍名称', required: true), const SizedBox(height: 16),
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_chipField('别名', _alternateTitles, 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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}), const SizedBox(height: 16),
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_chipField('作者', _authors, onTap: () async {
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final p = context.read<AppProvider>(); final d = p.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, d), initialSelected: _authors, hint: '如：余华');
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if (r != null) setState(() => _authors = r);
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}), const SizedBox(height: 16),
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_chipField('译者', _translators, onTap: () async {
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final p = context.read<AppProvider>(); final d = p.books.map((b) => b.translators).toList();
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final r = await GenreSelectorPage.show(context: context, title: '选择译者', existingTagsFuture: compute(_collectUnique, d), initialSelected: _translators, hint: '如：李继宏');
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if (r != null) setState(() => _translators = r);
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}), const SizedBox(height: 16),
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_chipField('类型', _genres, onTap: () async {
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final p = context.read<AppProvider>();
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final tags = await p.getTags('book_genre', excludeHidden: true);
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final names = tags.map((t) => t['name'] as String).toList();
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if (!mounted) return;
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final r = await GenreSelectorPage.show(context: context, title: '选择类型', existingTags: names, initialSelected: _genres, hint: '如：小说、历史');
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if (r != null) setState(() => _genres = r);
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}), const SizedBox(height: 16),
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_field('出版社', _publisherCtrl, hint: '出版社名称'), const SizedBox(height: 16),
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_field('ISBN', _isbnCtrl, hint: 'ISBN编号'), const SizedBox(height: 16),
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Row(children: [
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Expanded(child: _dateField('出版日期', _publishDate, (d) => setState(() => _publishDate = d))),
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const SizedBox(width: 12),
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Expanded(child: _dateField('开始日期', _startDate, (d) => setState(() => _startDate = d), clearable: true)),
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const SizedBox(width: 12),
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Expanded(child: _dateField('读完日期', _finishDate, (d) => setState(() => _finishDate = d), clearable: true)),
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]), const SizedBox(height: 16),
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_label('简介', colors), const SizedBox(height: 6),
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Container(constraints: const BoxConstraints(minHeight: 120),
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child: TextFormField(controller: _summaryCtrl, maxLines: null,
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style: TextStyle(fontSize: 14, color: colors.onSurface, height: 1.6),
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decoration: InputDecoration(hintText: '写下书籍简介...', hintStyle: TextStyle(color: colors.onSurface.withValues(alpha: 0.25)),
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filled: true, fillColor: colors.surfaceContainerHighest.withValues(alpha: 0.5),
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(8), borderSide: BorderSide.none), contentPadding: const EdgeInsets.all(12)))),
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]),
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)),
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]),
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),
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],
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),
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),
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);
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}
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Widget _label(String l, ColorScheme c) => Text(l, style: TextStyle(fontSize: 12, color: c.onSurface.withValues(alpha: 0.4)));
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Widget _statusChip(String label, String value, ColorScheme c) {
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final sel = _status == value;
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return GestureDetector(onTap: () => setState(() => _status = value),
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child: Container(padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 6),
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decoration: BoxDecoration(color: sel ? c.surface : Colors.transparent, borderRadius: BorderRadius.circular(6),
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boxShadow: sel ? [BoxShadow(color: c.onSurface.withValues(alpha: 0.03), blurRadius: 4, offset: const Offset(0, 2))] : null),
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child: Text(label, style: TextStyle(fontSize: 13, fontWeight: sel ? FontWeight.w500 : FontWeight.normal,
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color: sel ? c.onSurface : c.onSurface.withValues(alpha: 0.4)))));
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}
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Widget _buildRatingRow(ColorScheme colors) {
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return Row(children: [
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...List.generate(5, (i) {
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final sv = i + 1; final cr = double.tryParse(_ratingCtrl.text) ?? 0; final sr = cr / 2;
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final f = sv <= sr; final h = sv == sr.ceil() && sr % 1 != 0;
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return GestureDetector(onTap: () => setState(() => _ratingCtrl.text = (sv * 2).toString()),
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child: Padding(padding: const EdgeInsets.symmetric(horizontal: 1),
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child: Icon(h ? Icons.star_half : (f ? Icons.star : Icons.star_border), size: 20, color: (f || h) ? const Color(0xFFFFB800) : colors.outline)));
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}),
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const SizedBox(width: 8),
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Container(width: 48, height: 28, decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(6)),
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child: TextFormField(controller: _ratingCtrl, keyboardType: const TextInputType.numberWithOptions(decimal: true),
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textAlign: TextAlign.center, 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)),
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border: InputBorder.none, contentPadding: const EdgeInsets.symmetric(vertical: 6), isDense: true),
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onChanged: (_) => setState(() {}))),
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if (_ratingCtrl.text.isNotEmpty) ...[
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const SizedBox(width: 4),
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GestureDetector(onTap: () => setState(() => _ratingCtrl.clear()),
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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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Widget _field(String label, TextEditingController ctrl, {String hint = '', bool required = false}) {
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final c = Theme.of(context).colorScheme;
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return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Text(required ? '$label *' : label, style: TextStyle(fontSize: 12, color: c.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 6),
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TextFormField(controller: ctrl, style: TextStyle(fontSize: 14, color: c.onSurface),
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validator: required ? (v) => (v == null || v.trim().isEmpty) ? '请输入$label' : null : null,
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decoration: InputDecoration(hintText: hint, hintStyle: TextStyle(color: c.onSurface.withValues(alpha: 0.25)),
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filled: true, fillColor: c.surfaceContainerHighest.withValues(alpha: 0.5),
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(8), borderSide: BorderSide.none),
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contentPadding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10), isDense: true)),
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]);
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}
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Widget _chipField(String label, List<String> chips, {required VoidCallback onTap}) {
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final c = Theme.of(context).colorScheme;
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return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Text(label, style: TextStyle(fontSize: 12, color: c.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 6),
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GestureDetector(onTap: onTap,
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child: Container(width: double.infinity, padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 8),
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decoration: BoxDecoration(color: c.surfaceContainerHighest.withValues(alpha: 0.5), borderRadius: BorderRadius.circular(8)),
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child: chips.isEmpty
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? Text('点击选择$label', style: TextStyle(fontSize: 14, color: c.onSurface.withValues(alpha: 0.25)))
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: Wrap(spacing: 4, runSpacing: 4, children: chips.map((e) => Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 4),
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decoration: BoxDecoration(color: c.surface, borderRadius: BorderRadius.circular(4)),
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child: Text(e, style: TextStyle(fontSize: 12, color: c.onSurface)))).toList()))),
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]);
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}
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Widget _dateField(String label, DateTime? date, ValueChanged<DateTime?> onChanged, {bool clearable = false}) {
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final c = Theme.of(context).colorScheme; final has = date != null;
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return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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Text(label, style: TextStyle(fontSize: 12, color: c.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 6),
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GestureDetector(onTap: () async {
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final picked = await showDatePicker(context: context, initialDate: date ?? DateTime.now(),
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firstDate: DateTime(1900), lastDate: DateTime.now().add(const Duration(days: 365 * 5)));
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if (picked != null) onChanged(picked);
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}, child: Container(width: double.infinity, padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 10),
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decoration: BoxDecoration(color: c.surfaceContainerHighest.withValues(alpha: 0.5), borderRadius: BorderRadius.circular(8)),
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child: Row(children: [
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Icon(Icons.calendar_today_outlined, size: 14, color: c.onSurface.withValues(alpha: 0.4)),
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const SizedBox(width: 8),
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Text(has ? '${date!.year}.${date!.month.toString().padLeft(2, '0')}.${date!.day.toString().padLeft(2, '0')}' : '选择日期',
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style: TextStyle(fontSize: 14, color: has ? c.onSurface : c.onSurface.withValues(alpha: 0.25))),
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const Spacer(),
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if (clearable && has) GestureDetector(onTap: () => onChanged(null),
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child: Icon(Icons.close, size: 14, color: c.onSurface.withValues(alpha: 0.3))),
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]))),
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]);
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}
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void _showCoverOptions() {
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final c = Theme.of(context).colorScheme;
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showModalBottomSheet(context: context, backgroundColor: c.surface,
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.vertical(top: Radius.circular(16))),
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builder: (ctx) => SafeArea(child: Padding(padding: const EdgeInsets.symmetric(vertical: 16),
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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Container(width: 40, height: 4, decoration: BoxDecoration(color: c.outline, borderRadius: BorderRadius.circular(2))),
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const SizedBox(height: 20),
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Padding(padding: const EdgeInsets.symmetric(horizontal: 24), child: Align(alignment: Alignment.centerLeft,
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child: Text('添加封面', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: c.onSurface)))),
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const SizedBox(height: 16),
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ListTile(leading: Icon(Icons.photo_library_outlined, color: c.onSurface.withValues(alpha: 0.6)),
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title: Text('从相册选择'), onTap: () { Navigator.pop(ctx); _pickCover(); }),
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ListTile(leading: Icon(Icons.link_outlined, color: c.onSurface.withValues(alpha: 0.6)),
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title: Text('网络链接'), onTap: () { Navigator.pop(ctx); _pickCoverFromUrl(); }),
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]))));
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}
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Future<void> _pickCover() async {
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try {
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final XFile? picked = await _picker.pickImage(source: ImageSource.gallery, maxWidth: 800, maxHeight: 1200, imageQuality: 85);
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if (picked == null) return;
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final fileName = 'cover_${DateTime.now().millisecondsSinceEpoch}.jpg';
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final targetPath = await ImagePathHelper.instance.getBookCoverPath(_tempId!, 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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if (mounted) setState(() => _coverPath = targetPath);
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} catch (e) { if (mounted) ToastUtil.show(context, '选择封面失败: $e'); }
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}
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Future<void> _pickCoverFromUrl() async {
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final ctrl = TextEditingController();
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final ok = await showDialog<bool>(context: context, builder: (ctx) {
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final c = Theme.of(ctx).colorScheme;
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return AlertDialog(backgroundColor: c.surface, elevation: 0, shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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title: Text('添加网络图片', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: c.onSurface)),
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content: TextField(controller: ctrl, keyboardType: TextInputType.url, style: TextStyle(fontSize: 14, color: c.onSurface),
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decoration: InputDecoration(hintText: 'https://example.com/image.jpg', filled: true, fillColor: c.surfaceContainerHigh,
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(10), borderSide: BorderSide.none))),
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actions: [
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TextButton(onPressed: () => Navigator.pop(ctx, false), child: Text('取消')),
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ElevatedButton(onPressed: () => Navigator.pop(ctx, true), child: const Text('确定')),
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]);
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});
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final url = ctrl.text.trim(); ctrl.dispose();
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if (ok != true || url.isEmpty) return;
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await _downloadCover(url);
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}
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Future<void> _downloadCover(String url) async {
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setState(() => _isDownloading = true);
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try {
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final res = await http.get(Uri.parse(url), headers: {
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'User-Agent': 'Mozilla/5.0', 'Accept': 'image/*,*/*;q=0.8', 'Referer': Uri.parse(url).replace(path: '/').toString(),
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});
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if (res.statusCode != 200) throw Exception('HTTP ${res.statusCode}');
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final fileName = 'cover_${DateTime.now().millisecondsSinceEpoch}.jpg';
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final targetPath = await ImagePathHelper.instance.getBookCoverPath(_tempId!, fileName);
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await ImagePathHelper.instance.ensureDirExists(p.dirname(targetPath));
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await File(targetPath).writeAsBytes(res.bodyBytes);
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if (mounted) setState(() => _coverPath = targetPath);
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} catch (e) { if (mounted) ToastUtil.show(context, '下载失败: $e'); }
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finally { if (mounted) setState(() => _isDownloading = false); }
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}
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Future<void> _save() async {
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if (!_formKey.currentState!.validate()) return;
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try {
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final bookId = const Uuid().v4();
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// 移动封面到正式目录
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String? finalCoverPath;
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if (_coverPath != null) {
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final normalized = _coverPath!.replaceAll('\\', '/');
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if (!normalized.contains('/books/$bookId/')) {
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final fileName = p.basename(_coverPath!);
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final newPath = await ImagePathHelper.instance.getBookCoverPath(bookId, fileName);
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await ImagePathHelper.instance.ensureDirExists(p.dirname(newPath));
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final src = File(_coverPath!);
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if (await src.exists()) { await src.rename(newPath); finalCoverPath = newPath; }
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// 清理临时目录
|
|
final tempDir = Directory(p.dirname(_coverPath!));
|
|
if (await tempDir.exists()) { try { await tempDir.delete(recursive: true); } catch (_) {} }
|
|
} else { finalCoverPath = _coverPath; }
|
|
}
|
|
final rating = _ratingCtrl.text.isNotEmpty ? double.tryParse(_ratingCtrl.text) : null;
|
|
final publisher = _publisherCtrl.text.trim().isEmpty ? null : _publisherCtrl.text.trim();
|
|
final isbn = _isbnCtrl.text.trim().isEmpty ? null : _isbnCtrl.text.trim();
|
|
final now = DateTime.now();
|
|
final book = Book(
|
|
id: bookId, title: _titleCtrl.text.trim(), coverPath: finalCoverPath,
|
|
authors: _authors, translators: _translators, alternateTitles: _alternateTitles,
|
|
genres: _genres, publisher: publisher, isbn: isbn,
|
|
summary: _summaryCtrl.text.trim(), rating: rating,
|
|
status: _status, publishDate: _publishDate, startDate: _startDate, finishDate: _finishDate,
|
|
createdAt: now, updatedAt: now,
|
|
);
|
|
await context.read<AppProvider>().addBook(book);
|
|
await context.read<AppProvider>().loadBooks();
|
|
if (!mounted) return;
|
|
context.read<AppProvider>().finishAdding();
|
|
ToastUtil.show(context, '添加成功');
|
|
} catch (e) { if (mounted) ToastUtil.show(context, '保存失败: $e'); }
|
|
}
|
|
|
|
static List<String> _collectUnique(List<List<String>> lists) {
|
|
final s = <String>{}; for (final l in lists) { s.addAll(l); } return s.toList()..sort();
|
|
}
|
|
}
|
|
|
|
class _RatingInputFormatter extends TextInputFormatter {
|
|
@override
|
|
TextEditingValue formatEditUpdate(TextEditingValue oldValue, TextEditingValue newValue) {
|
|
final text = newValue.text;
|
|
if (text.isEmpty) return newValue;
|
|
if (!RegExp(r'^\d{0,2}\.?\d{0,1}$').hasMatch(text)) return oldValue;
|
|
final n = double.tryParse(text);
|
|
if (n != null && n > 10) return oldValue;
|
|
return newValue;
|
|
}
|
|
}
|