generated from dellevin/template
v0.2.9
This commit is contained in:
DelLevin-Home
495
lib/pages/playlist/playlist_detail_page.dart
Normal file
495
lib/pages/playlist/playlist_detail_page.dart
Normal file
@@ -0,0 +1,495 @@
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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 '../../widgets/fade_in_local_image.dart';
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import '../../widgets/animated_star_rating.dart';
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import '../movies/movie_detail_page.dart';
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import '../book/book_detail_page.dart';
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import '../game/game_detail_page.dart';
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import 'playlist_add_item_page.dart';
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class PlaylistDetailPage extends StatefulWidget {
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final Playlist playlist;
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const PlaylistDetailPage({super.key, required this.playlist});
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@override
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State<PlaylistDetailPage> createState() => _PlaylistDetailPageState();
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}
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class _PlaylistDetailPageState extends State<PlaylistDetailPage> {
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List<PlaylistItem> _items = [];
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bool _loading = true;
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final Map<String, double> _slideOffsets = {};
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double _dragStartX = 0;
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double _dragStartOffset = 0;
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bool _isHorizontalDrag = false;
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static const _actionWidth = 56.0;
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@override
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void initState() {
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super.initState();
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_loadItems();
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}
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Future<void> _loadItems() async {
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final provider = context.read<AppProvider>();
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final items = await provider.getPlaylistItems(widget.playlist.id);
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if (!mounted) return;
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setState(() {
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_items = items;
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_loading = false;
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});
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}
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/// 解析条目信息
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_ResolvedItem? _resolve(PlaylistItem item, AppProvider provider) {
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final type = widget.playlist.type;
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String? status;
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String title = '';
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String? coverPath;
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double? rating;
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String subtitle = '';
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dynamic entity;
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if (type == 'movie') {
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final movie = provider.movies.where((m) => m.id == item.itemId).firstOrNull;
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if (movie == null) return null;
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entity = movie;
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status = movie.status;
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title = movie.title;
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coverPath = movie.posterPath;
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rating = movie.rating;
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subtitle = movie.directors.isNotEmpty ? movie.directors.take(2).join(' / ') : '';
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} else if (type == 'book') {
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final book = provider.books.where((b) => b.id == item.itemId).firstOrNull;
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if (book == null) return null;
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entity = book;
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status = book.status;
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title = book.title;
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coverPath = book.coverPath;
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rating = book.rating;
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subtitle = book.authors.isNotEmpty ? book.authors.take(2).join(' / ') : '';
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} else if (type == 'game') {
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final game = provider.games.where((g) => g.id == item.itemId).firstOrNull;
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if (game == null) return null;
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entity = game;
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status = game.status;
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title = game.title;
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coverPath = game.coverPath;
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rating = game.rating;
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subtitle = game.developer.isNotEmpty ? game.developer.take(2).join(' / ') : '';
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}
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return _ResolvedItem(
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playlistItem: item,
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entity: entity,
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title: title,
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coverPath: coverPath,
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rating: rating,
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subtitle: subtitle,
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status: status ?? '',
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);
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}
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static String _statusLabel(String type, String status) {
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if (type == 'movie') {
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return switch (status) {
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'watched' => '已看',
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'watching' => '在看',
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'want_to_watch' => '想看',
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_ => '',
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};
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} else if (type == 'book') {
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return switch (status) {
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'read' => '已读',
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'reading' => '在读',
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'want_to_read' => '想读',
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_ => '',
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};
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} else {
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return switch (status) {
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'completed' => '已完',
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'playing' => '在玩',
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'want_to_play' => '想玩',
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'abandoned' => '已弃',
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_ => '',
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};
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}
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}
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static Color _statusColor(String status) {
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return switch (status) {
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'watched' || 'read' || 'completed' => const Color(0xFF4CAF50),
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'watching' || 'reading' || 'playing' => const Color(0xFF42A5F5),
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'want_to_watch' || 'want_to_read' || 'want_to_play' => const Color(0xFFFF9800),
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'abandoned' => const Color(0xFFEF5350),
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_ => Colors.grey,
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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 provider = context.watch<AppProvider>();
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final playlist = provider.playlists.firstWhere(
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(p) => p.id == widget.playlist.id,
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orElse: () => widget.playlist,
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);
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return Scaffold(
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appBar: AppBar(
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title: Text(playlist.name),
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actions: [
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IconButton(
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icon: const Icon(Icons.add, size: 22),
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onPressed: () async {
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await Navigator.push<bool>(
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context,
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MaterialPageRoute(builder: (_) => PlaylistAddItemPage(playlist: playlist)),
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);
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if (mounted) {
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_loadItems();
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provider.loadPlaylists();
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}
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},
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),
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],
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),
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body: _loading
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? const Center(child: SizedBox(width: 20, height: 20, child: CircularProgressIndicator(strokeWidth: 2)))
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: _items.isEmpty
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? _buildEmpty(context)
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: _buildList(context, provider),
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);
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}
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Widget _buildEmpty(BuildContext context) {
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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, height: 72,
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decoration: BoxDecoration(
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color: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(18),
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),
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child: Icon(Icons.playlist_add_check_outlined, size: 36, color: colors.onSurface.withValues(alpha: 0.2)),
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),
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const SizedBox(height: 16),
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Text('还没有添加条目', style: TextStyle(fontSize: 15, color: colors.onSurface.withValues(alpha: 0.4))),
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const SizedBox(height: 6),
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Text('点击右上角 + 添加', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.3))),
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],
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),
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);
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}
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Widget _buildList(BuildContext context, AppProvider provider) {
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final type = widget.playlist.type;
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final resolved = _items
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.map((item) => _resolve(item, provider))
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.whereType<_ResolvedItem>()
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.toList();
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return ReorderableListView.builder(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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itemCount: resolved.length,
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onReorder: (oldIndex, newIndex) {
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if (newIndex > oldIndex) newIndex--;
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final list = List<_ResolvedItem>.from(resolved);
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final item = list.removeAt(oldIndex);
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list.insert(newIndex, item);
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setState(() {
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_items = list.map((r) => r.playlistItem).toList();
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});
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provider.reorderPlaylistItems(
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widget.playlist.id,
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_items.map((i) => i.id).toList(),
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);
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},
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proxyDecorator: (child, index, animation) {
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return AnimatedBuilder(
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animation: animation,
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builder: (_, __) {
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final t = Curves.easeInOut.transform(animation.value);
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return Transform.scale(
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scale: 1.0 + 0.03 * t,
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child: Opacity(opacity: 1.0 - 0.15 * t, child: child),
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);
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},
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);
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},
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itemBuilder: (context, index) {
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return _buildItem(context, resolved[index], type, provider);
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},
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);
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}
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Widget _buildItem(BuildContext context, _ResolvedItem item, String type, AppProvider provider) {
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final colors = Theme.of(context).colorScheme;
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final statusColor = _statusColor(item.status);
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final statusLabel = _statusLabel(type, item.status);
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final itemId = item.playlistItem.id;
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return Padding(
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key: Key(itemId),
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padding: const EdgeInsets.only(bottom: 10),
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child: Stack(
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clipBehavior: Clip.hardEdge,
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children: [
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// 底层：删除按钮
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Positioned(
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right: 0,
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top: 0,
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bottom: 0,
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child: Align(
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alignment: Alignment.centerRight,
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child: Padding(
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padding: const EdgeInsets.only(right: 8),
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child: GestureDetector(
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onTap: () async {
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setState(() => _slideOffsets[itemId] = 0.0);
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await provider.removePlaylistItem(item.playlistItem.id, item.playlistItem.playlistId);
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if (mounted) _loadItems();
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},
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child: Container(
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width: 40, height: 40,
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decoration: BoxDecoration(
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color: colors.error.withValues(alpha: 0.12),
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shape: BoxShape.circle,
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),
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child: Icon(Icons.delete_outline, size: 20, color: colors.error),
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),
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),
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),
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),
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),
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// 上层：卡片内容（左滑 + 长按拖动排序）
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AnimatedContainer(
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duration: const Duration(milliseconds: 150),
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curve: Curves.easeOut,
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transform: Matrix4.translationValues(_slideOffsets[itemId] ?? 0, 0, 0),
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child: Listener(
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behavior: HitTestBehavior.translucent,
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onPointerDown: (event) {
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_dragStartX = event.position.dx;
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_dragStartOffset = _slideOffsets[itemId] ?? 0;
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_isHorizontalDrag = false;
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},
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onPointerMove: (event) {
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final dx = event.position.dx - _dragStartX;
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if (!_isHorizontalDrag && dx.abs() > 10) {
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if (dx < 0 || _dragStartOffset < 0) {
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_isHorizontalDrag = true;
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}
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}
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if (_isHorizontalDrag) {
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setState(() {
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_slideOffsets[itemId] = (_dragStartOffset + dx).clamp(-_actionWidth * 2, 0.0);
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});
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}
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},
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onPointerUp: (_) {
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if (_isHorizontalDrag) {
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final offset = _slideOffsets[itemId] ?? 0.0;
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final target = offset < -_actionWidth ? -_actionWidth * 2 : 0.0;
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setState(() => _slideOffsets[itemId] = target);
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}
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_isHorizontalDrag = false;
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},
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child: ReorderableDelayedDragStartListener(
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index: _items.indexOf(item.playlistItem),
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child: Material(
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||||
color: Colors.transparent,
|
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child: InkWell(
|
||||
onTap: () {
|
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if ((_slideOffsets[itemId] ?? 0) < 0) {
|
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setState(() => _slideOffsets[itemId] = 0.0);
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return;
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}
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final page = switch (type) {
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'movie' => MovieDetailPage(movie: item.entity as Movie),
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'book' => BookDetailPage(book: item.entity as Book),
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'game' => GameDetailPage(game: item.entity as Game),
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_ => null,
|
||||
};
|
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if (page != null) Navigator.push(context, MaterialPageRoute(builder: (_) => page));
|
||||
},
|
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borderRadius: BorderRadius.circular(14),
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child: Container(
|
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padding: const EdgeInsets.fromLTRB(12, 12, 8, 12),
|
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decoration: BoxDecoration(
|
||||
color: colors.surfaceContainerLow,
|
||||
borderRadius: BorderRadius.circular(14),
|
||||
border: Border.all(color: colors.outlineVariant.withValues(alpha: 0.5), width: 0.5),
|
||||
),
|
||||
child: Row(
|
||||
children: [
|
||||
// 封面
|
||||
ClipRRect(
|
||||
borderRadius: BorderRadius.circular(8),
|
||||
child: SizedBox(
|
||||
width: 48, height: 64,
|
||||
child: item.coverPath != null && item.coverPath!.isNotEmpty
|
||||
? FadeInLocalImage(
|
||||
path: item.coverPath,
|
||||
fit: BoxFit.cover,
|
||||
errorWidget: _buildPlaceholder(type, colors),
|
||||
)
|
||||
: _buildPlaceholder(type, colors),
|
||||
),
|
||||
),
|
||||
const SizedBox(width: 12),
|
||||
// 信息
|
||||
Expanded(
|
||||
child: SizedBox(
|
||||
height: 64,
|
||||
child: Column(
|
||||
crossAxisAlignment: CrossAxisAlignment.start,
|
||||
children: [
|
||||
Text(item.title,
|
||||
maxLines: 1,
|
||||
overflow: TextOverflow.ellipsis,
|
||||
style: TextStyle(fontSize: 14, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
||||
if (item.subtitle.isNotEmpty) ...[
|
||||
const SizedBox(height: 3),
|
||||
Text(item.subtitle,
|
||||
maxLines: 1,
|
||||
overflow: TextOverflow.ellipsis,
|
||||
style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.4))),
|
||||
],
|
||||
const Spacer(),
|
||||
if (item.rating != null)
|
||||
AnimatedStarRating(rating: item.rating!, starSize: 11, showNumber: true)
|
||||
else
|
||||
Text('未评分', style: TextStyle(fontSize: 11, color: colors.onSurface.withValues(alpha: 0.25))),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
const SizedBox(width: 8),
|
||||
// 状态章
|
||||
if (statusLabel.isNotEmpty) _buildStamp(statusLabel, statusColor),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
/// 章形状的状态标签 — 双圈外圆 + 内长方框，模拟印章效果
|
||||
Widget _buildStamp(String label, Color color) {
|
||||
return Transform.rotate(
|
||||
angle: -0.12,
|
||||
child: SizedBox(
|
||||
width: 52, height: 52,
|
||||
child: CustomPaint(
|
||||
painter: _StampPainter(color: color),
|
||||
child: Center(
|
||||
child: Container(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 4, vertical: 2),
|
||||
margin: const EdgeInsets.all(10),
|
||||
decoration: BoxDecoration(
|
||||
borderRadius: BorderRadius.circular(1.5),
|
||||
border: Border.all(color: color.withValues(alpha: 0.55), width: 0.8),
|
||||
),
|
||||
child: Column(
|
||||
mainAxisSize: MainAxisSize.min,
|
||||
children: [
|
||||
Text(label,
|
||||
style: TextStyle(
|
||||
fontSize: 7,
|
||||
fontWeight: FontWeight.w900,
|
||||
color: color.withValues(alpha: 0.85),
|
||||
height: 1.1,
|
||||
letterSpacing: 0.8,
|
||||
)),
|
||||
const SizedBox(height: 0.5),
|
||||
Text('MOOKNOTE',
|
||||
style: TextStyle(
|
||||
fontSize: 2,
|
||||
fontWeight: FontWeight.w700,
|
||||
color: color.withValues(alpha: 0.45),
|
||||
height: 1,
|
||||
letterSpacing: 1,
|
||||
)),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildPlaceholder(String type, ColorScheme colors) {
|
||||
final icon = switch (type) {
|
||||
'movie' => Icons.movie_outlined,
|
||||
'book' => Icons.menu_book_outlined,
|
||||
'game' => Icons.sports_esports_outlined,
|
||||
_ => Icons.list_outlined,
|
||||
};
|
||||
return Container(
|
||||
color: colors.surfaceContainerHighest,
|
||||
child: Center(child: Icon(icon, size: 20, color: colors.onSurface.withValues(alpha: 0.25))),
|
||||
);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
class _ResolvedItem {
|
||||
final PlaylistItem playlistItem;
|
||||
final dynamic entity;
|
||||
final String title;
|
||||
final String? coverPath;
|
||||
final double? rating;
|
||||
final String subtitle;
|
||||
final String status;
|
||||
|
||||
_ResolvedItem({
|
||||
required this.playlistItem,
|
||||
this.entity,
|
||||
required this.title,
|
||||
this.coverPath,
|
||||
this.rating,
|
||||
this.subtitle = '',
|
||||
required this.status,
|
||||
});
|
||||
}
|
||||
|
||||
/// 印章绘制器 — 双圈外圆
|
||||
class _StampPainter extends CustomPainter {
|
||||
final Color color;
|
||||
_StampPainter({required this.color});
|
||||
|
||||
@override
|
||||
void paint(Canvas canvas, Size size) {
|
||||
final cx = size.width / 2;
|
||||
final cy = size.height / 2;
|
||||
final paint = Paint()
|
||||
..color = color.withValues(alpha: 0.7)
|
||||
..style = PaintingStyle.stroke
|
||||
..strokeWidth = 1.8;
|
||||
|
||||
// 外圈
|
||||
canvas.drawCircle(Offset(cx, cy), size.width / 2 - 2, paint);
|
||||
|
||||
// 内圈
|
||||
final innerPaint = Paint()
|
||||
..color = color.withValues(alpha: 0.45)
|
||||
..style = PaintingStyle.stroke
|
||||
..strokeWidth = 1;
|
||||
canvas.drawCircle(Offset(cx, cy), size.width / 2 - 5, innerPaint);
|
||||
}
|
||||
|
||||
@override
|
||||
bool shouldRepaint(covariant _StampPainter old) => old.color != color;
|
||||
}
|
||||
Reference in New Issue
Block a user