generated from dellevin/template
509 lines
18 KiB
Dart
509 lines
18 KiB
Dart
import 'dart:async';
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import 'dart:io';
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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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/// 搜索页面 - 统一搜索影视/书籍/笔记
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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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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((_) {
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_focusNode.requestFocus();
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});
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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(() {
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_results = [];
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_hasSearched = false;
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});
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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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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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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.content.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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});
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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('搜索'),
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elevation: 0,
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),
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body: Column(
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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 ? _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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}
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Widget _buildSearchBar() {
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return Container(
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padding: const EdgeInsets.fromLTRB(20, 12, 20, 4),
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child: TextField(
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controller: _searchController,
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focusNode: _focusNode,
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style: const TextStyle(fontSize: 15, color: Color(0xFF1A1A1A)),
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decoration: InputDecoration(
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hintText: '搜索标题、别名、内容...',
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hintStyle: const TextStyle(color: Color(0xFFB0B0B0), fontSize: 15),
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prefixIcon: const Padding(
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padding: EdgeInsets.only(left: 12, right: 8),
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child: Icon(Icons.search, color: Color(0xFF1A1A1A), size: 22),
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),
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prefixIconConstraints: const BoxConstraints(minWidth: 42, minHeight: 42),
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suffixIcon: _searchController.text.isNotEmpty
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? GestureDetector(
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onTap: () {
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_searchController.clear();
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_scheduleSearch();
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_focusNode.requestFocus();
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},
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child: Container(
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margin: const EdgeInsets.only(right: 4),
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width: 28,
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height: 28,
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decoration: BoxDecoration(
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color: const Color(0xFFE5E5E5),
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borderRadius: BorderRadius.circular(14),
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),
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child: const Icon(Icons.close, color: Color(0xFF666666), size: 16),
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),
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)
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: null,
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filled: true,
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fillColor: const Color(0xFFF8F8F8),
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border: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide.none,
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),
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enabledBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: BorderSide.none,
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),
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focusedBorder: OutlineInputBorder(
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borderRadius: BorderRadius.circular(14),
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borderSide: const BorderSide(color: Color(0xFF1A1A1A), width: 1.5),
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),
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contentPadding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
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),
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onSubmitted: (_) {
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_debounce?.cancel();
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_performSearch();
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},
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onChanged: (_) {
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_debounce?.cancel();
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setState(() {});
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_scheduleSearch();
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},
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),
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);
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}
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Widget _buildFilterRow() {
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return Padding(
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padding: const EdgeInsets.fromLTRB(20, 6, 20, 12),
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child: Row(
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children: [
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_buildTypeChip('影视', Icons.movie_outlined, _showMovies, (v) {
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setState(() { _showMovies = v; _performSearch(); });
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}),
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const SizedBox(width: 8),
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_buildTypeChip('书籍', Icons.menu_book_outlined, _showBooks, (v) {
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setState(() { _showBooks = v; _performSearch(); });
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}),
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const SizedBox(width: 8),
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_buildTypeChip('笔记', Icons.note_outlined, _showNotes, (v) {
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setState(() { _showNotes = v; _performSearch(); });
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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 _buildTypeChip(String label, IconData icon, bool selected, ValueChanged<bool> onChanged) {
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return GestureDetector(
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onTap: () => onChanged(!selected),
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child: AnimatedContainer(
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duration: const Duration(milliseconds: 200),
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padding: const EdgeInsets.symmetric(horizontal: 14, vertical: 7),
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decoration: BoxDecoration(
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color: selected ? const Color(0xFF1A1A1A) : const Color(0xFFF5F5F5),
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borderRadius: BorderRadius.circular(8),
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),
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child: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(icon, size: 14, color: selected ? Colors.white : const Color(0xFF888888)),
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const SizedBox(width: 5),
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Text(
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label,
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style: TextStyle(
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fontSize: 13,
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fontWeight: FontWeight.w500,
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color: selected ? Colors.white : const Color(0xFF888888),
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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 _buildInitialState() {
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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: 88,
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height: 88,
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decoration: BoxDecoration(
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color: const Color(0xFFF8F8F8),
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borderRadius: BorderRadius.circular(24),
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),
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child: const Icon(Icons.search_rounded, size: 44, color: Color(0xFFD0D0D0)),
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),
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const SizedBox(height: 24),
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const Text('输入关键词搜索', style: TextStyle(fontSize: 15, color: Color(0xFF999999))),
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const SizedBox(height: 6),
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const Text('可同时筛选影视、书籍、笔记', style: TextStyle(fontSize: 13, color: Color(0xFFCCCCCC))),
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],
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),
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);
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}
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Widget _buildEmptyState() {
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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: 88,
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height: 88,
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decoration: BoxDecoration(
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color: const Color(0xFFF8F8F8),
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borderRadius: BorderRadius.circular(24),
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),
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child: const Icon(Icons.search_off_rounded, size: 44, color: Color(0xFFD0D0D0)),
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),
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const SizedBox(height: 24),
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const Text('未找到相关内容', style: TextStyle(fontSize: 15, color: Color(0xFF999999))),
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const SizedBox(height: 6),
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const Text('换个关键词试试', style: TextStyle(fontSize: 13, color: Color(0xFFCCCCCC))),
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],
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),
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);
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}
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Widget _buildResultList() {
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return ListView.builder(
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padding: const EdgeInsets.fromLTRB(20, 4, 20, 24),
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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':
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return _buildMovieItem(item.data as Movie);
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case 'book':
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return _buildBookItem(item.data as Book);
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case 'note':
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return _buildNoteItem(item.data as Note);
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default:
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return const SizedBox.shrink();
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}
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},
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);
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}
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// ─── 影视结果项 ──────────────────────────────────────────────────────
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Widget _buildMovieItem(Movie movie) {
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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: 8),
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: const Color(0xFFFAFAFA),
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borderRadius: BorderRadius.circular(14),
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),
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child: Row(
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children: [
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_buildPosterThumb(movie.posterPath, Icons.movie_outlined),
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const SizedBox(width: 14),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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_typeBadge('影视', const Color(0xFF4A90D9)),
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const Spacer(),
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_statusBadge(movie.status),
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],
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),
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const SizedBox(height: 8),
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Text(movie.title, maxLines: 1, overflow: TextOverflow.ellipsis,
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style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: Color(0xFF1A1A1A))),
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if (movie.alternateTitles.isNotEmpty) ...[
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const SizedBox(height: 3),
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Text(movie.alternateTitles.take(2).join('、'), maxLines: 1, overflow: TextOverflow.ellipsis,
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style: const TextStyle(fontSize: 12, color: Color(0xFFAAAAAA))),
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],
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],
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),
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),
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const SizedBox(width: 8),
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const Icon(Icons.chevron_right, color: Color(0xFFD0D0D0), size: 20),
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],
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),
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),
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);
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}
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// ─── 书籍结果项 ──────────────────────────────────────────────────────
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Widget _buildBookItem(Book book) {
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return GestureDetector(
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onTap: () => Navigator.push(context, MaterialPageRoute(builder: (_) => BookDetailPage(book: book))),
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child: Container(
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margin: const EdgeInsets.only(bottom: 8),
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: const Color(0xFFFAFAFA),
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borderRadius: BorderRadius.circular(14),
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),
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child: Row(
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children: [
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_buildPosterThumb(book.coverPath, Icons.menu_book_outlined),
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const SizedBox(width: 14),
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Row(
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children: [
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_typeBadge('书籍', const Color(0xFF7E57C2)),
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const Spacer(),
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_bookStatusBadge(book.status),
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],
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),
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const SizedBox(height: 8),
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Text(book.title, maxLines: 1, overflow: TextOverflow.ellipsis,
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style: const TextStyle(fontSize: 15, fontWeight: FontWeight.w600, color: Color(0xFF1A1A1A))),
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if (book.authors.isNotEmpty) ...[
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const SizedBox(height: 3),
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Text(book.authors.take(2).join('、'), maxLines: 1, overflow: TextOverflow.ellipsis,
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style: const TextStyle(fontSize: 12, color: Color(0xFFAAAAAA))),
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],
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],
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),
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),
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const SizedBox(width: 8),
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const Icon(Icons.chevron_right, color: Color(0xFFD0D0D0), size: 20),
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],
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),
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),
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);
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}
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// ─── 笔记结果项 ──────────────────────────────────────────────────────
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Widget _buildNoteItem(Note note) {
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return GestureDetector(
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onTap: () => Navigator.push(context, MaterialPageRoute(builder: (_) => NoteDetailPage(note: note))),
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child: Container(
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margin: const EdgeInsets.only(bottom: 8),
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padding: const EdgeInsets.all(14),
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decoration: BoxDecoration(
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color: const Color(0xFFFAFAFA),
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borderRadius: BorderRadius.circular(14),
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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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Row(
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children: [
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_typeBadge('笔记', const Color(0xFF66BB6A)),
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const Spacer(),
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const Icon(Icons.chevron_right, color: Color(0xFFD0D0D0), size: 20),
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],
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),
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const SizedBox(height: 10),
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Text(
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note.summary.trim().isEmpty ? '(无内容)' : note.summary.trim(),
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maxLines: 3,
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overflow: TextOverflow.ellipsis,
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style: const TextStyle(fontSize: 14, color: Color(0xFF333333), height: 1.6),
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),
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if (note.tags.isNotEmpty) ...[
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const SizedBox(height: 10),
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Wrap(
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spacing: 6,
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runSpacing: 6,
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children: note.tags.map((tag) => Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(6),
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),
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child: Text(tag, style: const TextStyle(fontSize: 11, color: Color(0xFF888888))),
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)).toList(),
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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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// ─── 通用组件 ────────────────────────────────────────────────────────
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Widget _buildPosterThumb(String? path, IconData fallback) {
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return Container(
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width: 48,
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height: 64,
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decoration: BoxDecoration(
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color: const Color(0xFFF0F0F0),
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borderRadius: BorderRadius.circular(8),
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),
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clipBehavior: Clip.antiAlias,
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child: path != null && path.isNotEmpty
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? Image.file(File(path), fit: BoxFit.cover,
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errorBuilder: (_, __, ___) => Icon(fallback, size: 22, color: const Color(0xFFCCCCCC)))
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: Icon(fallback, size: 22, color: const Color(0xFFCCCCCC)),
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);
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}
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Widget _typeBadge(String label, Color color) {
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 7, vertical: 3),
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decoration: BoxDecoration(
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color: color.withValues(alpha: 0.08),
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borderRadius: BorderRadius.circular(5),
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),
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child: Text(label, style: TextStyle(fontSize: 11, fontWeight: FontWeight.w600, color: color)),
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);
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}
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Widget _statusBadge(String status) {
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final (label, bg, fg) = switch (status) {
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'watched' => ('已看', const Color(0xFF1A1A1A), Colors.white),
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'watching' => ('在看', const Color(0xFFF0F0F0), const Color(0xFF666666)),
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'want_to_watch' => ('想看', const Color(0xFFF5F5F5), const Color(0xFF999999)),
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_ => ('', const Color(0xFFF5F5F5), const Color(0xFFBBBBBB)),
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};
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if (label.isEmpty) return const SizedBox.shrink();
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
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decoration: BoxDecoration(color: bg, borderRadius: BorderRadius.circular(5)),
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child: Text(label, style: TextStyle(fontSize: 10, fontWeight: FontWeight.w600, color: fg)),
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);
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}
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Widget _bookStatusBadge(String status) {
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final (label, bg, fg) = switch (status) {
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'read' => ('已读', const Color(0xFF1A1A1A), Colors.white),
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'reading' => ('在读', const Color(0xFFF0F0F0), const Color(0xFF666666)),
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'want_to_read' => ('想读', const Color(0xFFF5F5F5), const Color(0xFF999999)),
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_ => ('', const Color(0xFFF5F5F5), const Color(0xFFBBBBBB)),
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};
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if (label.isEmpty) return const SizedBox.shrink();
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return Container(
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padding: const EdgeInsets.symmetric(horizontal: 8, vertical: 3),
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decoration: BoxDecoration(color: bg, borderRadius: BorderRadius.circular(5)),
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child: Text(label, style: TextStyle(fontSize: 10, fontWeight: FontWeight.w600, color: fg)),
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);
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}
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}
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class _SearchResult {
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final String type;
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final dynamic data;
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_SearchResult({required this.type, required this.data});
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}
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