generated from dellevin/template
结构重构
This commit is contained in:
DelLevin-Home
525
lib/pages/online_search/search_page.dart
Normal file
525
lib/pages/online_search/search_page.dart
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@@ -0,0 +1,525 @@
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import 'dart:async';
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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 'movies/movie_detail_page.dart';
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import 'book/book_detail_page.dart';
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import 'note/note_detail_page.dart';
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import '../widgets/fade_in_local_image.dart';
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/// 搜索页面
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class SearchPage extends StatefulWidget {
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const SearchPage({super.key});
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@override
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State<SearchPage> createState() => _SearchPageState();
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}
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class _SearchPageState extends State<SearchPage> {
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final _searchController = TextEditingController();
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final _focusNode = FocusNode();
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bool _showMovies = true;
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bool _showBooks = true;
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bool _showNotes = true;
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List<_SearchResult> _results = [];
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bool _hasSearched = false;
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List<String> _matchingTags = [];
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String? _selectedTag;
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Timer? _debounce;
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addPostFrameCallback((_) => _focusNode.requestFocus());
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}
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@override
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void dispose() {
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_searchController.dispose();
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_focusNode.dispose();
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_debounce?.cancel();
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super.dispose();
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}
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void _scheduleSearch() {
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_debounce?.cancel();
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_debounce = Timer(const Duration(milliseconds: 250), _performSearch);
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}
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void _performSearch() {
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final keyword = _searchController.text.trim();
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if (keyword.isEmpty) {
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setState(() { _results = []; _hasSearched = false; });
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return;
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}
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final provider = context.read<AppProvider>();
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final lowerKeyword = keyword.toLowerCase();
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final results = <_SearchResult>[];
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if (_showMovies) {
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for (final movie in provider.movies.where((m) => !m.isDeleted)) {
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if (movie.title.toLowerCase().contains(lowerKeyword) ||
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movie.alternateTitles.any((t) => t.toLowerCase().contains(lowerKeyword)) ||
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(movie.summary?.toLowerCase().contains(lowerKeyword) ?? false) ||
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movie.genres.any((g) => g.toLowerCase().contains(lowerKeyword)) ||
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movie.directors.any((d) => d.toLowerCase().contains(lowerKeyword)) ||
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movie.writers.any((w) => w.toLowerCase().contains(lowerKeyword)) ||
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movie.actors.any((a) => a.toLowerCase().contains(lowerKeyword))) {
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results.add(_SearchResult(type: 'movie', data: movie));
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}
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}
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}
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if (_showBooks) {
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for (final book in provider.books.where((b) => !b.isDeleted)) {
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if (book.title.toLowerCase().contains(lowerKeyword) ||
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book.alternateTitles.any((t) => t.toLowerCase().contains(lowerKeyword)) ||
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(book.summary?.toLowerCase().contains(lowerKeyword) ?? false) ||
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book.authors.any((a) => a.toLowerCase().contains(lowerKeyword))) {
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results.add(_SearchResult(type: 'book', data: book));
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}
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}
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}
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if (_showNotes) {
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for (final note in provider.notes.where((n) => !n.isDeleted)) {
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if (note.title.toLowerCase().contains(lowerKeyword) ||
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note.content.toLowerCase().contains(lowerKeyword) ||
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note.tags.any((t) => t.toLowerCase().contains(lowerKeyword))) {
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results.add(_SearchResult(type: 'note', data: note));
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}
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}
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}
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setState(() {
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_results = results;
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_hasSearched = true;
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// 收集匹配的标签
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_matchingTags = _collectMatchingTags(lowerKeyword);
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_selectedTag = null;
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});
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}
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/// 收集所有包含关键词的标签
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List<String> _collectMatchingTags(String lowerKeyword) {
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final provider = context.read<AppProvider>();
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final tagSet = <String>{};
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for (final m in provider.movies.where((m) => !m.isDeleted)) {
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for (final g in m.genres) {
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if (g.toLowerCase().contains(lowerKeyword)) tagSet.add(g);
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}
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}
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for (final b in provider.books.where((b) => !b.isDeleted)) {
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for (final g in b.genres) {
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if (g.toLowerCase().contains(lowerKeyword)) tagSet.add(g);
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}
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}
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for (final n in provider.notes.where((n) => !n.isDeleted)) {
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for (final t in n.tags) {
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if (t.toLowerCase().contains(lowerKeyword)) tagSet.add(t);
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}
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}
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return tagSet.toList()..sort();
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}
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/// 按标签筛选：点击标签后只显示包含该标签的结果
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void _filterByTag(String tag) {
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final provider = context.read<AppProvider>();
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setState(() {
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_selectedTag = tag;
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final results = <_SearchResult>[];
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for (final m in provider.movies.where((m) => !m.isDeleted)) {
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if (m.genres.contains(tag)) results.add(_SearchResult(type: 'movie', data: m));
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}
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for (final b in provider.books.where((b) => !b.isDeleted)) {
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if (b.genres.contains(tag)) results.add(_SearchResult(type: 'book', data: b));
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}
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for (final n in provider.notes.where((n) => !n.isDeleted)) {
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if (n.tags.contains(tag)) results.add(_SearchResult(type: 'note', data: n));
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}
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_results = results;
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});
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}
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// ═══════════════════════════════════════════════════════════════════
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@override
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Widget build(BuildContext context) {
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final 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('搜索'),
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elevation: 0,
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scrolledUnderElevation: 0,
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),
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body: Column(children: [
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_buildSearchBar(),
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_buildFilterRow(),
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Expanded(
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child: _hasSearched
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? _results.isEmpty && _matchingTags.isEmpty ? _buildEmptyState() : _buildResultList()
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: _buildInitialState(),
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),
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]),
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);
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}
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Widget _buildSearchBar() {
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final colors = Theme.of(context).colorScheme;
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return Padding(
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padding: const EdgeInsets.fromLTRB(16, 0, 16, 8),
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child: TextField(
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controller: _searchController,
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focusNode: _focusNode,
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style: TextStyle(fontSize: 15, color: colors.onSurface),
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decoration: InputDecoration(
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hintText: '搜索标题、作者、标签...',
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hintStyle: TextStyle(color: colors.onSurface.withValues(alpha: 0.3), fontSize: 15),
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prefixIcon: Icon(Icons.search, color: colors.onSurface.withValues(alpha: 0.4), size: 22),
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suffixIcon: _searchController.text.isNotEmpty
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? GestureDetector(
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onTap: () { _searchController.clear(); setState(() {}); _scheduleSearch(); _focusNode.requestFocus(); },
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child: Container(
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margin: const EdgeInsets.all(8),
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(14)),
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child: Icon(Icons.close, color: colors.onSurface.withValues(alpha: 0.5), size: 16),
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),
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)
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: null,
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filled: true, fillColor: colors.surfaceContainerHighest,
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border: OutlineInputBorder(borderRadius: BorderRadius.circular(14), borderSide: BorderSide.none),
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enabledBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(14), borderSide: BorderSide.none),
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focusedBorder: OutlineInputBorder(borderRadius: BorderRadius.circular(14), borderSide: BorderSide(color: colors.primary, width: 1.5)),
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
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),
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onSubmitted: (_) { _debounce?.cancel(); _performSearch(); },
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onChanged: (_) { _debounce?.cancel(); setState(() {}); _scheduleSearch(); },
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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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final keyword = _searchController.text.trim();
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final provider = context.read<AppProvider>();
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int movieCount = 0, bookCount = 0, noteCount = 0;
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if (keyword.isNotEmpty) {
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final kw = keyword.toLowerCase();
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movieCount = provider.movies.where((m) => !m.isDeleted && (m.title.toLowerCase().contains(kw) || m.alternateTitles.any((t) => t.toLowerCase().contains(kw)) || (m.summary?.toLowerCase().contains(kw) ?? false) || m.genres.any((g) => g.toLowerCase().contains(kw)) || m.directors.any((d) => d.toLowerCase().contains(kw)) || m.writers.any((w) => w.toLowerCase().contains(kw)) || m.actors.any((a) => a.toLowerCase().contains(kw)))).length;
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bookCount = provider.books.where((b) => !b.isDeleted && (b.title.toLowerCase().contains(kw) || b.alternateTitles.any((t) => t.toLowerCase().contains(kw)) || (b.summary?.toLowerCase().contains(kw) ?? false) || b.authors.any((a) => a.toLowerCase().contains(kw)))).length;
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noteCount = provider.notes.where((n) => !n.isDeleted && (n.title.toLowerCase().contains(kw) || n.content.toLowerCase().contains(kw) || n.tags.any((t) => t.toLowerCase().contains(kw)))).length;
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}
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return Padding(
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padding: const EdgeInsets.fromLTRB(16, 0, 16, 8),
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child: Row(children: [
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_filterChip('影视', Icons.movie_outlined, _showMovies, movieCount, () { setState(() { _showMovies = !_showMovies; _performSearch(); }); }),
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const SizedBox(width: 8),
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_filterChip('书籍', Icons.menu_book_outlined, _showBooks, bookCount, () { setState(() { _showBooks = !_showBooks; _performSearch(); }); }),
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const SizedBox(width: 8),
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_filterChip('笔记', Icons.note_outlined, _showNotes, noteCount, () { setState(() { _showNotes = !_showNotes; _performSearch(); }); }),
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]),
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);
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}
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Widget _filterChip(String label, IconData icon, bool selected, int count, VoidCallback onTap) {
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final colors = Theme.of(context).colorScheme;
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final showCount = _searchController.text.trim().isNotEmpty;
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return GestureDetector(
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onTap: onTap,
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child: AnimatedContainer(
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duration: const Duration(milliseconds: 200),
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padding: const EdgeInsets.symmetric(horizontal: 12, vertical: 7),
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decoration: BoxDecoration(
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color: selected ? colors.primary : colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(8),
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),
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child: Row(mainAxisSize: MainAxisSize.min, children: [
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Icon(icon, size: 14, color: selected ? colors.onPrimary : colors.onSurface.withValues(alpha: 0.4)),
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const SizedBox(width: 5),
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Text(label, style: TextStyle(fontSize: 13, fontWeight: FontWeight.w500, color: selected ? colors.onPrimary : colors.onSurface.withValues(alpha: 0.4))),
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if (showCount) ...[const SizedBox(width: 4), Text('$count', style: TextStyle(fontSize: 11, fontWeight: FontWeight.w600, color: selected ? colors.onPrimary.withValues(alpha: 0.7) : 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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Widget _buildInitialState() {
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final colors = Theme.of(context).colorScheme;
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return Center(
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child: Column(mainAxisSize: MainAxisSize.min, children: [
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Container(
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width: 80, height: 80,
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(20)),
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child: Icon(Icons.search_rounded, size: 40, color: colors.onSurface.withValues(alpha: 0.2)),
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),
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const SizedBox(height: 20),
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Text('输入关键词搜索', style: TextStyle(fontSize: 15, color: colors.onSurface.withValues(alpha: 0.35))),
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const SizedBox(height: 4),
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Text('支持标题、导演、作者、标签、简介', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.2))),
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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(mainAxisSize: MainAxisSize.min, children: [
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Container(
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width: 80, height: 80,
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decoration: BoxDecoration(color: colors.surfaceContainerHighest, borderRadius: BorderRadius.circular(20)),
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child: Icon(Icons.search_off_rounded, size: 40, color: colors.onSurface.withValues(alpha: 0.2)),
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),
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const SizedBox(height: 20),
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Text('未找到相关内容', style: TextStyle(fontSize: 15, color: colors.onSurface.withValues(alpha: 0.35))),
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const SizedBox(height: 4),
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Text('换个关键词试试', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.2))),
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]),
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);
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}
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Widget _buildResultList() {
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final colors = Theme.of(context).colorScheme;
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return Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
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// 标签筛选区
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if (_matchingTags.isNotEmpty) _buildTagSection(colors),
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Padding(
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padding: const EdgeInsets.fromLTRB(20, 4, 20, 8),
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child: Text(_selectedTag != null
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? '标签 "$_selectedTag" 共 ${_results.length} 条'
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: '找到 ${_results.length} 条结果',
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style: TextStyle(fontSize: 13, color: colors.onSurface.withValues(alpha: 0.35))),
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),
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Expanded(
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child: _results.isEmpty
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? _buildEmptyState()
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: ListView.builder(
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padding: const EdgeInsets.fromLTRB(16, 0, 16, 24),
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keyboardDismissBehavior: ScrollViewKeyboardDismissBehavior.onDrag,
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itemCount: _results.length,
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itemBuilder: (context, index) {
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final item = _results[index];
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switch (item.type) {
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case 'movie': return _buildMovieItem(item.data as Movie);
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case 'book': return _buildBookItem(item.data as Book);
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case 'note': return _buildNoteItem(item.data as Note);
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default: return const SizedBox.shrink();
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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 _buildTagSection(ColorScheme colors) {
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return Container(
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width: double.infinity,
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padding: const EdgeInsets.fromLTRB(16, 4, 16, 8),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(children: [
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Icon(Icons.label_outline, size: 14, color: colors.onSurface.withValues(alpha: 0.35)),
|
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const SizedBox(width: 4),
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Text('匹配标签', style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.35))),
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if (_selectedTag != null) ...[
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const Spacer(),
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GestureDetector(
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onTap: () { setState(() { _selectedTag = null; }); _performSearch(); },
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child: Text('清除筛选', style: TextStyle(fontSize: 12, color: colors.primary)),
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),
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],
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]),
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const SizedBox(height: 6),
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Wrap(
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spacing: 8,
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runSpacing: 6,
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children: _matchingTags.map((tag) {
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final isSelected = _selectedTag == tag;
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return GestureDetector(
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onTap: () => _filterByTag(tag),
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child: Container(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 10, vertical: 5),
|
||||
decoration: BoxDecoration(
|
||||
color: isSelected ? colors.primary : colors.surfaceContainerHighest,
|
||||
borderRadius: BorderRadius.circular(12),
|
||||
border: Border.all(
|
||||
color: isSelected ? colors.primary : colors.outline.withValues(alpha: 0.15),
|
||||
),
|
||||
),
|
||||
child: Text(tag, style: TextStyle(
|
||||
fontSize: 12,
|
||||
color: isSelected ? colors.onPrimary : colors.onSurface.withValues(alpha: 0.6),
|
||||
)),
|
||||
),
|
||||
);
|
||||
}).toList(),
|
||||
),
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||||
],
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||||
),
|
||||
);
|
||||
}
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||||
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||||
Widget _buildMovieItem(Movie movie) {
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final colors = Theme.of(context).colorScheme;
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return GestureDetector(
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onTap: () => Navigator.push(context, MaterialPageRoute(builder: (_) => MovieDetailPage(movie: movie))),
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child: Container(
|
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margin: const EdgeInsets.only(bottom: 10),
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||||
padding: const EdgeInsets.all(12),
|
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decoration: BoxDecoration(color: colors.surfaceContainerHigh, borderRadius: BorderRadius.circular(12)),
|
||||
child: Row(children: [
|
||||
_posterThumb(movie.posterPath, Icons.movie_outlined),
|
||||
const SizedBox(width: 12),
|
||||
Expanded(
|
||||
child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
|
||||
Row(children: [
|
||||
_typeBadge('影视'),
|
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const Spacer(),
|
||||
_statusBadge(movie.status, colors),
|
||||
]),
|
||||
const SizedBox(height: 6),
|
||||
Text(movie.title, maxLines: 1, overflow: TextOverflow.ellipsis, style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
||||
const SizedBox(height: 4),
|
||||
Row(children: [
|
||||
if (movie.rating != null) ...[
|
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Icon(Icons.star, size: 13, color: const Color(0xFFFFB800)),
|
||||
const SizedBox(width: 2),
|
||||
Text('${movie.rating}', style: TextStyle(fontSize: 12, fontWeight: FontWeight.w600, color: const Color(0xFFFFB800))),
|
||||
const SizedBox(width: 8),
|
||||
],
|
||||
if (movie.genres.isNotEmpty)
|
||||
Expanded(child: Text(movie.genres.take(2).join(' · '), maxLines: 1, overflow: TextOverflow.ellipsis, style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.35)))),
|
||||
]),
|
||||
]),
|
||||
),
|
||||
const SizedBox(width: 4),
|
||||
Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.15), size: 18),
|
||||
]),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildBookItem(Book book) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
return GestureDetector(
|
||||
onTap: () => Navigator.push(context, MaterialPageRoute(builder: (_) => BookDetailPage(book: book))),
|
||||
child: Container(
|
||||
margin: const EdgeInsets.only(bottom: 10),
|
||||
padding: const EdgeInsets.all(12),
|
||||
decoration: BoxDecoration(color: colors.surfaceContainerHigh, borderRadius: BorderRadius.circular(12)),
|
||||
child: Row(children: [
|
||||
_posterThumb(book.coverPath, Icons.menu_book_outlined),
|
||||
const SizedBox(width: 12),
|
||||
Expanded(
|
||||
child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
|
||||
Row(children: [
|
||||
_typeBadge('书籍'),
|
||||
const Spacer(),
|
||||
_statusBadge(book.status, colors),
|
||||
]),
|
||||
const SizedBox(height: 6),
|
||||
Text(book.title, maxLines: 1, overflow: TextOverflow.ellipsis, style: TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: colors.onSurface)),
|
||||
const SizedBox(height: 4),
|
||||
Row(children: [
|
||||
if (book.rating != null) ...[
|
||||
Icon(Icons.star, size: 13, color: const Color(0xFFFFB800)),
|
||||
const SizedBox(width: 2),
|
||||
Text('${book.rating}', style: TextStyle(fontSize: 12, fontWeight: FontWeight.w600, color: const Color(0xFFFFB800))),
|
||||
const SizedBox(width: 8),
|
||||
],
|
||||
if (book.authors.isNotEmpty)
|
||||
Expanded(child: Text(book.authors.take(2).join(' · '), maxLines: 1, overflow: TextOverflow.ellipsis, style: TextStyle(fontSize: 12, color: colors.onSurface.withValues(alpha: 0.35)))),
|
||||
]),
|
||||
]),
|
||||
),
|
||||
const SizedBox(width: 4),
|
||||
Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.15), size: 18),
|
||||
]),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _buildNoteItem(Note note) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
final summary = note.summary.trim().isEmpty ? '(无内容)' : note.summary.trim();
|
||||
return GestureDetector(
|
||||
onTap: () => Navigator.push(context, MaterialPageRoute(builder: (_) => NoteDetailPage(note: note))),
|
||||
child: Container(
|
||||
margin: const EdgeInsets.only(bottom: 10),
|
||||
padding: const EdgeInsets.all(12),
|
||||
decoration: BoxDecoration(color: colors.surfaceContainerHigh, borderRadius: BorderRadius.circular(12)),
|
||||
child: Row(crossAxisAlignment: CrossAxisAlignment.start, children: [
|
||||
Padding(
|
||||
padding: const EdgeInsets.only(top: 2),
|
||||
child: _typeBadge('笔记'),
|
||||
),
|
||||
const SizedBox(width: 10),
|
||||
Expanded(
|
||||
child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
|
||||
Text(summary, maxLines: 2, overflow: TextOverflow.ellipsis, style: TextStyle(fontSize: 14, color: colors.onSurface, height: 1.5)),
|
||||
if (note.tags.isNotEmpty) ...[
|
||||
const SizedBox(height: 8),
|
||||
Wrap(spacing: 6, runSpacing: 4, children: note.tags.map((t) => Container(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 7, vertical: 2),
|
||||
decoration: BoxDecoration(color: colors.surface, borderRadius: BorderRadius.circular(4)),
|
||||
child: Text(t, style: TextStyle(fontSize: 10, color: colors.onSurface.withValues(alpha: 0.4))),
|
||||
)).toList()),
|
||||
],
|
||||
]),
|
||||
),
|
||||
const SizedBox(width: 4),
|
||||
Padding(
|
||||
padding: const EdgeInsets.only(top: 2),
|
||||
child: Icon(Icons.chevron_right, color: colors.onSurface.withValues(alpha: 0.15), size: 18),
|
||||
),
|
||||
]),
|
||||
),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _posterThumb(String? path, IconData fallback) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
return Container(
|
||||
width: 44, height: 58,
|
||||
decoration: BoxDecoration(color: colors.outlineVariant, borderRadius: BorderRadius.circular(6)),
|
||||
clipBehavior: Clip.antiAlias,
|
||||
child: path != null && path.isNotEmpty
|
||||
? FadeInLocalImage(path: path, fit: BoxFit.cover,
|
||||
errorWidget: Icon(fallback, size: 20, color: colors.onSurface.withValues(alpha: 0.25)))
|
||||
: Icon(fallback, size: 20, color: colors.onSurface.withValues(alpha: 0.25)),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _typeBadge(String label) {
|
||||
final colors = Theme.of(context).colorScheme;
|
||||
return Container(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 7, vertical: 2),
|
||||
decoration: BoxDecoration(color: colors.primary.withValues(alpha: 0.08), borderRadius: BorderRadius.circular(4)),
|
||||
child: Text(label, style: TextStyle(fontSize: 10, fontWeight: FontWeight.w600, color: colors.primary)),
|
||||
);
|
||||
}
|
||||
|
||||
Widget _statusBadge(String status, ColorScheme colors) {
|
||||
final (label, bg, fg) = switch (status) {
|
||||
'watched' || 'read' => ('已看' , colors.primary, colors.onPrimary),
|
||||
'watching' || 'reading' => ('在看', colors.outlineVariant, colors.onSurface.withValues(alpha: 0.6)),
|
||||
'want_to_watch' || 'want_to_read' => ('想看', colors.surfaceContainerHighest, colors.onSurface.withValues(alpha: 0.4)),
|
||||
_ => ('', colors.surfaceContainerHighest, colors.onSurface.withValues(alpha: 0.3)),
|
||||
};
|
||||
if (label.isEmpty) return const SizedBox.shrink();
|
||||
return Container(
|
||||
padding: const EdgeInsets.symmetric(horizontal: 7, vertical: 2),
|
||||
decoration: BoxDecoration(color: bg, borderRadius: BorderRadius.circular(4)),
|
||||
child: Text(label, style: TextStyle(fontSize: 10, fontWeight: FontWeight.w600, color: fg)),
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
class _SearchResult {
|
||||
final String type;
|
||||
final dynamic data;
|
||||
_SearchResult({required this.type, required this.data});
|
||||
}
|
||||
Reference in New Issue
Block a user