generated from dellevin/template
364 lines
11 KiB
Dart
364 lines
11 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 '../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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class _RecycleBinPageState extends State<RecycleBinPage> with SingleTickerProviderStateMixin {
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late TabController _tabController;
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List<Movie> _deletedMovies = [];
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List<Book> _deletedBooks = [];
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List<Note> _deletedNotes = [];
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bool _isLoading = true;
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@override
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void initState() {
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super.initState();
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_tabController = TabController(length: 3, vsync: this);
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_loadDeletedItems();
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}
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@override
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void dispose() {
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_tabController.dispose();
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super.dispose();
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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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setState(() {
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_deletedMovies = movies;
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_deletedBooks = books;
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_deletedNotes = notes;
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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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return Scaffold(
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backgroundColor: Colors.white,
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appBar: AppBar(
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title: const Text('回收站'),
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bottom: TabBar(
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controller: _tabController,
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labelColor: const Color(0xFF1A1A1A),
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unselectedLabelColor: const Color(0xFF999999),
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indicatorColor: const Color(0xFF1A1A1A),
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tabs: [
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Tab(text: '影视 (${_deletedMovies.length})'),
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Tab(text: '书籍 (${_deletedBooks.length})'),
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Tab(text: '笔记 (${_deletedNotes.length})'),
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],
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),
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actions: [
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// 清空全部
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TextButton(
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onPressed: _showClearAllDialog,
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child: const Text(
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'清空',
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style: TextStyle(color: Colors.red),
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),
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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: _isLoading
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? const Center(child: CircularProgressIndicator())
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: TabBarView(
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controller: _tabController,
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children: [
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_buildMovieList(),
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_buildBookList(),
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_buildNoteList(),
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],
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),
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);
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}
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/// 影视列表
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Widget _buildMovieList() {
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if (_deletedMovies.isEmpty) {
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return _buildEmptyState('暂无删除的影视');
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}
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return ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: _deletedMovies.length,
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itemBuilder: (context, index) {
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final movie = _deletedMovies[index];
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return _buildDeletedItemCard(
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title: movie.title,
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subtitle: '删除于 ${_formatDate(movie.updatedAt)}',
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onRestore: () => _restoreMovie(movie),
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onDelete: () => _permanentDeleteMovie(movie),
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);
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},
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);
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}
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/// 书籍列表
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Widget _buildBookList() {
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if (_deletedBooks.isEmpty) {
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return _buildEmptyState('暂无删除的书籍');
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}
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return ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: _deletedBooks.length,
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itemBuilder: (context, index) {
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final book = _deletedBooks[index];
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return _buildDeletedItemCard(
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title: book.title,
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subtitle: '删除于 ${_formatDate(book.updatedAt)}',
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onRestore: () => _restoreBook(book),
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onDelete: () => _permanentDeleteBook(book),
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);
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},
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);
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}
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/// 笔记列表
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Widget _buildNoteList() {
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if (_deletedNotes.isEmpty) {
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return _buildEmptyState('暂无删除的笔记');
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}
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return ListView.builder(
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padding: const EdgeInsets.all(16),
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itemCount: _deletedNotes.length,
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itemBuilder: (context, index) {
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final note = _deletedNotes[index];
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return _buildDeletedItemCard(
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title: note.summary,
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subtitle: '删除于 ${_formatDate(note.updatedAt)}',
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onRestore: () => _restoreNote(note),
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onDelete: () => _permanentDeleteNote(note),
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);
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},
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);
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}
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/// 构建已删除项卡片
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Widget _buildDeletedItemCard({
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required String title,
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required String subtitle,
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required VoidCallback onRestore,
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required VoidCallback onDelete,
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}) {
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return Container(
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margin: const EdgeInsets.only(bottom: 12),
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padding: const EdgeInsets.all(16),
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decoration: BoxDecoration(
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border: Border.all(color: const Color(0xFFE5E5E5)),
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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title,
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style: const TextStyle(
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fontSize: 15,
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color: Color(0xFF1A1A1A),
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),
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maxLines: 2,
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overflow: TextOverflow.ellipsis,
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),
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const SizedBox(height: 8),
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Text(
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subtitle,
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style: const TextStyle(
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fontSize: 12,
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color: Color(0xFF999999),
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),
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),
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const SizedBox(height: 12),
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Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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// 恢复按钮
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OutlinedButton(
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onPressed: onRestore,
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style: OutlinedButton.styleFrom(
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foregroundColor: const Color(0xFF1A1A1A),
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side: const BorderSide(color: Color(0xFF1A1A1A)),
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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),
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child: const Text('恢复'),
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),
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const SizedBox(width: 12),
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// 彻底删除按钮
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OutlinedButton(
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onPressed: onDelete,
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style: OutlinedButton.styleFrom(
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foregroundColor: Colors.red,
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side: const BorderSide(color: Colors.red),
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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),
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child: const Text('彻底删除'),
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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 _buildEmptyState(String message) {
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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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const Icon(
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Icons.delete_outline,
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size: 64,
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color: Color(0xFFCCCCCC),
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),
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const SizedBox(height: 16),
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Text(
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message,
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style: const TextStyle(
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fontSize: 16,
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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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}
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String _formatDate(DateTime date) {
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return '${date.year}.${date.month.toString().padLeft(2, '0')}.${date.day.toString().padLeft(2, '0')}';
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}
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/// 恢复影视
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Future<void> _restoreMovie(Movie movie) async {
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await context.read<AppProvider>().restoreMovie(movie.id);
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_loadDeletedItems();
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if (mounted) {
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ToastUtil.show(context, '影视已恢复');
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}
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}
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/// 彻底删除影视
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Future<void> _permanentDeleteMovie(Movie movie) async {
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final confirmed = await _showConfirmDialog('确定要彻底删除这部影视吗？此操作不可恢复。');
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if (confirmed) {
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await context.read<AppProvider>().permanentDeleteMovie(movie.id);
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_loadDeletedItems();
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if (mounted) {
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ToastUtil.show(context, '已彻底删除');
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}
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}
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}
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/// 恢复书籍
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Future<void> _restoreBook(Book book) async {
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await context.read<AppProvider>().restoreBook(book.id);
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_loadDeletedItems();
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if (mounted) {
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ToastUtil.show(context, '书籍已恢复');
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}
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}
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/// 彻底删除书籍
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Future<void> _permanentDeleteBook(Book book) async {
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final confirmed = await _showConfirmDialog('确定要彻底删除这本书籍吗？此操作不可恢复。');
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if (confirmed) {
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await context.read<AppProvider>().permanentDeleteBook(book.id);
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_loadDeletedItems();
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if (mounted) {
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ToastUtil.show(context, '已彻底删除');
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}
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}
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}
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/// 恢复笔记
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Future<void> _restoreNote(Note note) async {
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await context.read<AppProvider>().restoreNote(note.id);
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_loadDeletedItems();
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if (mounted) {
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ToastUtil.show(context, '笔记已恢复');
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}
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}
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/// 彻底删除笔记
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Future<void> _permanentDeleteNote(Note note) async {
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final confirmed = await _showConfirmDialog('确定要彻底删除这条笔记吗？此操作不可恢复。');
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if (confirmed) {
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await context.read<AppProvider>().permanentDeleteNote(note.id);
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_loadDeletedItems();
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if (mounted) {
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ToastUtil.show(context, '已彻底删除');
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}
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}
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}
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/// 显示确认对话框
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Future<bool> _showConfirmDialog(String message) async {
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final result = await showDialog<bool>(
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context: context,
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builder: (context) => AlertDialog(
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backgroundColor: Colors.white,
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elevation: 0,
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
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title: const Text('确认删除'),
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content: Text(message),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context, false),
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child: const Text('取消', style: TextStyle(color: Color(0xFF666666))),
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),
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TextButton(
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onPressed: () => Navigator.pop(context, true),
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child: const Text('删除', style: TextStyle(color: Colors.red)),
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),
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],
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),
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);
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return result ?? false;
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}
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/// 显示清空全部对话框
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void _showClearAllDialog() {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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backgroundColor: Colors.white,
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elevation: 0,
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shape: const RoundedRectangleBorder(borderRadius: BorderRadius.zero),
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title: const Text('清空回收站'),
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content: const 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。'),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('取消', style: TextStyle(color: Color(0xFF666666))),
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),
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TextButton(
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onPressed: () async {
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Navigator.pop(context);
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await context.read<AppProvider>().clearRecycleBin();
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_loadDeletedItems();
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if (mounted) {
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ToastUtil.show(context, '回收站已清空');
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}
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},
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child: const Text('清空', style: TextStyle(color: Colors.red)),
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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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