generated from dellevin/template
525 lines
20 KiB
Dart
525 lines
20 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../providers/app_provider.dart';
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import '../models/data_models.dart';
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import '../models/note_plus_models.dart';
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import '../utils/toast_util.dart';
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/// 回收站页面
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class RecycleBinPage extends StatefulWidget {
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const RecycleBinPage({super.key});
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@override
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State<RecycleBinPage> createState() => _RecycleBinPageState();
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}
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enum _ItemType { movie, book, note, movieReview, bookReview, bookExcerpt, notePlus }
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class _DeletedItem {
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final _ItemType type;
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final String id;
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final String title;
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final String subtitle;
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final IconData icon;
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final String typeLabel;
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_DeletedItem.movie(Movie m)
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: type = _ItemType.movie,
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id = m.id,
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title = m.title,
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subtitle = '删除于 ${m.updatedAt.year}.${m.updatedAt.month.toString().padLeft(2, '0')}.${m.updatedAt.day.toString().padLeft(2, '0')}',
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icon = Icons.movie_outlined,
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typeLabel = '影视';
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_DeletedItem.book(Book b)
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: type = _ItemType.book,
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id = b.id,
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title = b.title,
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subtitle = '删除于 ${b.updatedAt.year}.${b.updatedAt.month.toString().padLeft(2, '0')}.${b.updatedAt.day.toString().padLeft(2, '0')}',
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icon = Icons.menu_book_outlined,
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typeLabel = '书籍';
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_DeletedItem.note(Note n)
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: type = _ItemType.note,
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id = n.id,
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title = n.title.isNotEmpty ? n.title : n.summary,
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subtitle = '删除于 ${n.updatedAt.year}.${n.updatedAt.month.toString().padLeft(2, '0')}.${n.updatedAt.day.toString().padLeft(2, '0')}',
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icon = Icons.description_outlined,
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typeLabel = '笔记';
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_DeletedItem.movieReview(MovieReview r)
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: type = _ItemType.movieReview,
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id = r.id,
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title = r.content.isNotEmpty ? r.content : '影评',
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subtitle = '删除于 ${r.updatedAt.year}.${r.updatedAt.month.toString().padLeft(2, '0')}.${r.updatedAt.day.toString().padLeft(2, '0')}',
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icon = Icons.rate_review_outlined,
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typeLabel = '影评';
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_DeletedItem.bookReview(BookReview r)
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: type = _ItemType.bookReview,
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id = r.id,
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title = r.content.isNotEmpty ? r.content : '书评',
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subtitle = '删除于 ${r.updatedAt.year}.${r.updatedAt.month.toString().padLeft(2, '0')}.${r.updatedAt.day.toString().padLeft(2, '0')}',
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icon = Icons.rate_review_outlined,
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typeLabel = '书评';
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_DeletedItem.bookExcerpt(BookExcerpt e)
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: type = _ItemType.bookExcerpt,
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id = e.id,
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title = e.content.isNotEmpty ? e.content : '摘抄',
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subtitle = '删除于 ${e.updatedAt.year}.${e.updatedAt.month.toString().padLeft(2, '0')}.${e.updatedAt.day.toString().padLeft(2, '0')}',
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icon = Icons.format_quote_outlined,
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typeLabel = '书摘';
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_DeletedItem.notePlus(NotePlusDocument d)
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: type = _ItemType.notePlus,
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id = d.id,
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title = d.title.isNotEmpty ? d.title : '未命名文档',
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subtitle = '删除于 ${d.updatedAt.year}.${d.updatedAt.month.toString().padLeft(2, '0')}.${d.updatedAt.day.toString().padLeft(2, '0')}',
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icon = Icons.edit_note_outlined,
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typeLabel = '高级笔记';
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}
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class _RecycleBinPageState extends State<RecycleBinPage> {
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List<_DeletedItem> _allItems = [];
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_ItemType? _filterType;
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bool _isLoading = true;
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List<_DeletedItem> get _filteredItems =>
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_filterType == null ? _allItems : _allItems.where((i) => i.type == _filterType).toList();
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@override
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void initState() {
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super.initState();
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_loadDeletedItems();
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}
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Future<void> _loadDeletedItems() async {
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setState(() => _isLoading = true);
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final provider = context.read<AppProvider>();
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final movies = await provider.getDeletedMovies();
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final books = await provider.getDeletedBooks();
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final notes = await provider.getDeletedNotes();
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final movieReviews = await provider.getDeletedMovieReviews();
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final bookReviews = await provider.getDeletedBookReviews();
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final bookExcerpts = await provider.getDeletedBookExcerpts();
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final notePlusDocs = await provider.getDeletedNotePlusDocs();
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if (!mounted) return;
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setState(() {
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_allItems = [
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for (final m in movies) _DeletedItem.movie(m),
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for (final b in books) _DeletedItem.book(b),
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for (final n in notes) _DeletedItem.note(n),
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for (final r in movieReviews) _DeletedItem.movieReview(r),
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for (final r in bookReviews) _DeletedItem.bookReview(r),
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for (final e in bookExcerpts) _DeletedItem.bookExcerpt(e),
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for (final d in notePlusDocs) _DeletedItem.notePlus(d),
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];
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_isLoading = false;
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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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return Scaffold(
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backgroundColor: colors.surface,
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appBar: AppBar(
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title: const Text('回收站'),
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actions: [
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if (_allItems.isNotEmpty)
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Padding(
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padding: const EdgeInsets.only(right: 12),
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child: TextButton(
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onPressed: _showClearAllDialog,
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style: TextButton.styleFrom(
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backgroundColor: colors.surface,
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foregroundColor: Colors.red,
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padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 6),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(20),
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side: BorderSide(color: colors.error.withValues(alpha: 0.15), width: 0.5),
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),
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minimumSize: Size.zero,
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),
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child: const Text('清空', style: TextStyle(fontSize: 12, fontWeight: FontWeight.w500)),
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),
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),
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],
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),
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body: _isLoading
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? Center(child: CircularProgressIndicator(strokeWidth: 2, color: colors.primary))
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: Column(
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children: [
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if (_allItems.isNotEmpty) _buildFilterRow(),
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Expanded(
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child: _filteredItems.isEmpty
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? _buildEmptyState()
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: RefreshIndicator(
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onRefresh: _loadDeletedItems,
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child: ListView.builder(
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padding: const EdgeInsets.symmetric(vertical: 8),
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itemCount: _filteredItems.length,
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itemBuilder: (_, i) => _buildCard(_filteredItems[i]),
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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 _buildFilterRow() {
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final colors = Theme.of(context).colorScheme;
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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decoration: BoxDecoration(
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border: Border(bottom: BorderSide(color: colors.outlineVariant, width: 0.5)),
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),
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child: Wrap(
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spacing: 8,
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runSpacing: 8,
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children: [
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_filterChip('全部', null),
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_filterChip('影视', _ItemType.movie),
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_filterChip('书籍', _ItemType.book),
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_filterChip('笔记', _ItemType.note),
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_filterChip('影评', _ItemType.movieReview),
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_filterChip('书评', _ItemType.bookReview),
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_filterChip('书摘', _ItemType.bookExcerpt),
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_filterChip('高级笔记', _ItemType.notePlus),
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],
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),
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);
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}
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Widget _filterChip(String label, _ItemType? type) {
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final colors = Theme.of(context).colorScheme;
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final active = _filterType == type;
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final count = type == null ? _allItems.length : _allItems.where((i) => i.type == type).length;
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return GestureDetector(
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onTap: () => setState(() => _filterType = type),
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 5),
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decoration: BoxDecoration(
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color: active ? colors.primary : colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(16),
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),
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child: Text(
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'$label · $count',
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.w500,
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color: active ? colors.onPrimary : colors.onSurface.withValues(alpha: 0.5),
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),
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),
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),
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);
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}
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Widget _buildCard(_DeletedItem item) {
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final colors = Theme.of(context).colorScheme;
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return Dismissible(
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key: Key('${item.type.name}_${item.id}'),
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direction: DismissDirection.endToStart,
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background: _buildDismissBackground(),
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confirmDismiss: (_) async => _showConfirmDialog('确定要彻底删除吗？此操作不可恢复。'),
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onDismissed: (_) => _permanentDelete(item),
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child: Container(
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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child: Padding(
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 12),
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child: Row(
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children: [
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Container(
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width: 40,
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height: 40,
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(8),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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child: Icon(item.icon, size: 20, color: colors.onSurface.withValues(alpha: 0.5)),
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),
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const SizedBox(width: 12),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Row(
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children: [
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Expanded(
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child: Text(
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item.title,
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style: TextStyle(fontSize: 14, fontWeight: FontWeight.w500, color: colors.onSurface, height: 1.3),
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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),
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),
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const SizedBox(width: 6),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 1),
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(3),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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child: Text(
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item.typeLabel,
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style: TextStyle(fontSize: 9, fontWeight: FontWeight.w600, color: colors.onSurface.withValues(alpha: 0.4)),
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),
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),
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],
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),
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const SizedBox(height: 3),
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Text(
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item.subtitle,
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style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.35)),
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),
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],
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),
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),
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const SizedBox(width: 8),
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_actionBtn(Icons.restore, '恢复', colors.primary, () => _restore(item)),
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const SizedBox(width: 6),
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_actionBtn(Icons.delete_outline, '删除', colors.error, () => _permanentDelete(item)),
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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 _buildDismissBackground() {
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return Container(
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 4),
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decoration: BoxDecoration(
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color: Colors.red,
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borderRadius: BorderRadius.circular(8),
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),
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alignment: Alignment.centerRight,
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padding: const EdgeInsets.only(right: 24),
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child: const Icon(Icons.delete_forever, color: Colors.white, size: 22),
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);
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}
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Widget _actionBtn(IconData icon, String tooltip, Color color, VoidCallback onTap) {
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final colors = Theme.of(context).colorScheme;
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return Material(
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color: Colors.transparent,
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child: InkWell(
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onTap: onTap,
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borderRadius: BorderRadius.circular(6),
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child: Tooltip(
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message: tooltip,
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child: Container(
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width: 32,
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height: 32,
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decoration: BoxDecoration(
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color: colors.surface,
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borderRadius: BorderRadius.circular(6),
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border: Border.all(color: colors.outlineVariant, width: 0.5),
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),
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child: Icon(icon, size: 16, color: color),
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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 _buildEmptyState() {
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final colors = Theme.of(context).colorScheme;
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Container(
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width: 72,
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height: 72,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHigh,
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borderRadius: BorderRadius.circular(18),
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),
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child: Icon(Icons.delete_outline, size: 32, color: colors.onSurface.withValues(alpha: 0.15)),
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),
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const SizedBox(height: 16),
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Text(
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_filterType == null ? '回收站是空的' : '没有删除的项目',
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style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.35)),
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),
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const SizedBox(height: 4),
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Text('删除的项目会显示在这里', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.25))),
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],
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),
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);
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}
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Future<void> _restore(_DeletedItem item) async {
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final confirmed = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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backgroundColor: Theme.of(context).colorScheme.surface,
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elevation: 0,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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title: Text('确认恢复', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: Theme.of(context).colorScheme.onSurface)),
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content: Text('确定要恢复"${item.title}"到${item.typeLabel}里面吗？', style: TextStyle(fontSize: 14, color: Theme.of(context).colorScheme.onSurface.withValues(alpha: 0.6), height: 1.5)),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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style: TextButton.styleFrom(foregroundColor: Theme.of(context).colorScheme.onSurface.withValues(alpha: 0.6)),
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child: const Text('取消'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(ctx, true),
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style: ElevatedButton.styleFrom(
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backgroundColor: Theme.of(context).colorScheme.primary,
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foregroundColor: Theme.of(context).colorScheme.onPrimary,
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elevation: 0,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
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),
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child: const Text('恢复'),
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),
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],
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actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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),
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);
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if (confirmed != true || !mounted) return;
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final provider = context.read<AppProvider>();
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switch (item.type) {
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case _ItemType.movie:
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await provider.restoreMovie(item.id);
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if (mounted) ToastUtil.show(context, '影视已恢复');
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case _ItemType.book:
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await provider.restoreBook(item.id);
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if (mounted) ToastUtil.show(context, '书籍已恢复');
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case _ItemType.note:
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await provider.restoreNote(item.id);
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if (mounted) ToastUtil.show(context, '笔记已恢复');
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case _ItemType.movieReview:
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await provider.restoreMovieReview(item.id);
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if (mounted) ToastUtil.show(context, '影评已恢复');
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case _ItemType.bookReview:
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await provider.restoreBookReview(item.id);
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if (mounted) ToastUtil.show(context, '书评已恢复');
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case _ItemType.bookExcerpt:
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await provider.restoreBookExcerpt(item.id);
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if (mounted) ToastUtil.show(context, '书摘已恢复');
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case _ItemType.notePlus:
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await provider.restoreNotePlusDoc(item.id);
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if (mounted) ToastUtil.show(context, '高级笔记已恢复');
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}
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_loadDeletedItems();
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}
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Future<void> _permanentDelete(_DeletedItem item) async {
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final confirmed = await _showConfirmDialog('确定要彻底删除吗？此操作不可恢复。');
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if (!confirmed) return;
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final provider = context.read<AppProvider>();
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switch (item.type) {
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case _ItemType.movie:
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await provider.permanentDeleteMovie(item.id);
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case _ItemType.book:
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await provider.permanentDeleteBook(item.id);
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case _ItemType.note:
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await provider.permanentDeleteNote(item.id);
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case _ItemType.movieReview:
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await provider.permanentDeleteMovieReview(item.id);
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case _ItemType.bookReview:
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await provider.permanentDeleteBookReview(item.id);
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case _ItemType.bookExcerpt:
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await provider.permanentDeleteBookExcerpt(item.id);
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case _ItemType.notePlus:
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await provider.permanentDeleteNotePlusDoc(item.id);
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}
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_loadDeletedItems();
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if (mounted) ToastUtil.show(context, '已彻底删除');
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}
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Future<bool> _showConfirmDialog(String message) async {
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final colors = Theme.of(context).colorScheme;
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final result = await showDialog<bool>(
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context: context,
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builder: (ctx) => AlertDialog(
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backgroundColor: colors.surface,
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elevation: 0,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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title: Text('确认删除', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
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content: Text(message, style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.5)),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx, false),
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style: TextButton.styleFrom(foregroundColor: colors.onSurface.withValues(alpha: 0.6)),
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child: const Text('取消'),
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),
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ElevatedButton(
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onPressed: () => Navigator.pop(ctx, true),
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|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: colors.error,
|
|
foregroundColor: colors.onError,
|
|
elevation: 0,
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
|
|
),
|
|
child: const Text('删除'),
|
|
),
|
|
],
|
|
actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
|
),
|
|
);
|
|
return result ?? false;
|
|
}
|
|
|
|
void _showClearAllDialog() {
|
|
final pageContext = context;
|
|
final colors = Theme.of(pageContext).colorScheme;
|
|
showDialog(
|
|
context: pageContext,
|
|
builder: (ctx) => AlertDialog(
|
|
backgroundColor: colors.surface,
|
|
elevation: 0,
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
|
|
title: Row(
|
|
children: [
|
|
const Icon(Icons.warning_amber_rounded, color: Colors.red, size: 22),
|
|
const SizedBox(width: 8),
|
|
Text('清空回收站', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
|
],
|
|
),
|
|
content: Text(
|
|
'确定要清空回收站吗？所有项目将被彻底删除，此操作不可恢复。',
|
|
style: TextStyle(fontSize: 14, color: colors.onSurface.withValues(alpha: 0.6), height: 1.5),
|
|
),
|
|
actions: [
|
|
TextButton(
|
|
onPressed: () => Navigator.pop(ctx),
|
|
style: TextButton.styleFrom(foregroundColor: colors.onSurface.withValues(alpha: 0.6)),
|
|
child: const Text('取消'),
|
|
),
|
|
ElevatedButton(
|
|
onPressed: () async {
|
|
Navigator.pop(ctx);
|
|
await pageContext.read<AppProvider>().clearRecycleBin();
|
|
_loadDeletedItems();
|
|
if (mounted) ToastUtil.show(pageContext, '回收站已清空');
|
|
},
|
|
style: ElevatedButton.styleFrom(
|
|
backgroundColor: colors.error,
|
|
foregroundColor: colors.onError,
|
|
elevation: 0,
|
|
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
|
|
),
|
|
child: const Text('清空'),
|
|
),
|
|
],
|
|
actionsPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
|
|
),
|
|
);
|
|
}
|
|
}
|