generated from dellevin/template
1173 lines
41 KiB
Dart
1173 lines
41 KiB
Dart
import 'dart:convert';
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import 'package:flutter/material.dart';
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import 'package:http/http.dart' as http;
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import '../../utils/server_config.dart';
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import '../../utils/user_prefs.dart';
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import '../../utils/toast_util.dart';
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import 'movie_detail_page.dart';
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import 'book_detail_page.dart';
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/// 在线搜索影视/书籍（带 Scaffold + AppBar）
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class OnlineSearchPage extends StatelessWidget {
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const OnlineSearchPage({super.key});
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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('在线搜索'),
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elevation: 0,
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scrolledUnderElevation: 0,
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),
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body: const OnlineSearchPageBody(),
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);
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}
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}
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/// 在线搜索 body —— 可嵌入到统一搜索页 SearchHubPage
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class OnlineSearchPageBody extends StatefulWidget {
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const OnlineSearchPageBody({super.key});
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@override
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State<OnlineSearchPageBody> createState() => _OnlineSearchPageBodyState();
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}
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class _OnlineSearchPageBodyState extends State<OnlineSearchPageBody> {
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final _searchController = TextEditingController();
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final _focusNode = FocusNode();
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final _movieScrollController = ScrollController();
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final _bookScrollController = ScrollController();
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final _userPrefs = UserPrefs();
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String _query = '';
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bool _hasSearched = false;
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List<String> _history = [];
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List<Map<String, dynamic>> _movieList = [];
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int _moviePage = 1;
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int _moviePageCount = 1;
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bool _movieLoading = false;
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bool _movieLoadingMore = false;
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int _movieTotal = 0;
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List<Map<String, dynamic>> _bookList = [];
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int _bookPage = 1;
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int _bookPageCount = 1;
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bool _bookLoading = false;
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bool _bookLoadingMore = false;
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int _bookTotal = 0;
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@override
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void initState() {
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super.initState();
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_movieScrollController.addListener(_onMovieScroll);
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_bookScrollController.addListener(_onBookScroll);
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_history = _userPrefs.searchHistory;
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_currentTab = _userPrefs.lastSearchTab;
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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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_movieScrollController.dispose();
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_bookScrollController.dispose();
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super.dispose();
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}
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void _onMovieScroll() {
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if (_movieScrollController.position.pixels >=
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_movieScrollController.position.maxScrollExtent - 200 &&
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!_movieLoadingMore &&
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_moviePage < _moviePageCount) {
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_loadMoreMovies();
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}
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}
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void _onBookScroll() {
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if (_bookScrollController.position.pixels >=
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_bookScrollController.position.maxScrollExtent - 200 &&
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!_bookLoadingMore &&
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_bookPage < _bookPageCount) {
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_loadMoreBooks();
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}
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}
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void _doSearch() {
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final q = _searchController.text.trim();
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if (q.isEmpty) return;
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_focusNode.unfocus();
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_tryUnlockPlayback(q);
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setState(() {
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_query = q;
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_hasSearched = true;
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_movieList = [];
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_moviePage = 1;
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_moviePageCount = 1;
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_movieTotal = 0;
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_bookList = [];
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_bookPage = 1;
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_bookPageCount = 1;
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_bookTotal = 0;
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});
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_userPrefs.addSearchHistory(q).then((_) {
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setState(() {
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_history = _userPrefs.searchHistory;
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});
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});
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if (_currentTab == 0) {
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_searchMovies(q, 1);
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} else {
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_searchBooks(q, 1);
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}
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}
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Future<void> _tryUnlockPlayback(String query) async {
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try {
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final url = '${ServerConfig.baseUrl}/api/enhance-video';
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final resp =
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await http.get(Uri.parse(url)).timeout(const Duration(seconds: 10));
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if (!mounted) return;
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if (resp.statusCode == 200) {
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final json_ = json.decode(resp.body);
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if (json_['code'] == 0 && json_['data'] == query) {
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await UserPrefs().setPlaybackUnlockTime(DateTime.now().toIso8601String());
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if (!mounted) return;
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_showUnlockDialog();
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}
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}
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} catch (_) {}
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}
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void _showUnlockDialog() {
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final colors = Theme.of(context).colorScheme;
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showDialog(
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context: context,
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builder: (ctx) => AlertDialog(
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backgroundColor: colors.surface,
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(14)),
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content: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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Icon(
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Icons.check_circle_rounded,
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size: 52,
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color: const Color(0xFF16A34A),
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),
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const SizedBox(height: 14),
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Text(
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'播放功能已解锁',
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style: TextStyle(
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fontSize: 16,
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fontWeight: FontWeight.w600,
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color: colors.onSurface,
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),
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),
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const SizedBox(height: 6),
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Text(
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'有效期 7 天，可前往影视详情页观看',
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style: TextStyle(
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fontSize: 12,
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color: colors.onSurface.withValues(alpha: 0.5),
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),
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textAlign: TextAlign.center,
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),
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],
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),
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actionsAlignment: MainAxisAlignment.center,
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(ctx),
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child: Text('知道了',
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style: TextStyle(
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fontSize: 14,
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fontWeight: FontWeight.w500,
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color: colors.primary)),
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),
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],
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),
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);
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}
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Future<void> _searchMovies(String keyword, int page) async {
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final token = UserPrefs().movieSearchToken;
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if (token.isEmpty) {
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if (mounted) ToastUtil.show(context, '请先在设置中配置影视搜索 Token');
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return;
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}
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setState(() {
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if (page == 1) {
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_movieLoading = true;
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} else {
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_movieLoadingMore = true;
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}
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});
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try {
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final url =
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'${ServerConfig.vipBaseUrl}/api/movie/list?movieName=${Uri.encodeComponent(keyword)}&token=$token&page=$page';
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final resp =
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await http.get(Uri.parse(url)).timeout(const Duration(seconds: 20));
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if (!mounted) return;
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if (resp.statusCode == 200) {
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final data = json.decode(resp.body);
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if (data['code'] == 0 && data['data'] != null) {
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final list = (data['data']['list'] as List<dynamic>?)
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?.map((e) => e as Map<String, dynamic>)
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.toList() ??
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[];
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setState(() {
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if (page == 1) {
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_movieList = list;
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} else {
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_movieList.addAll(list);
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}
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_movieTotal = data['data']['total'] ?? 0;
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_moviePage = data['data']['page'] ?? page;
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_moviePageCount = data['data']['pagecount'] ?? page;
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});
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} else if (data['code'] == 401 ||
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data['code'] == 403 ||
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data['msg']?.toString().contains('token') == true ||
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data['msg']?.toString().contains('过期') == true) {
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if (mounted)
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setState(() {
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_movieLoading = false;
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_movieLoadingMore = false;
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});
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_showTokenExpiredDialog();
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return;
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}
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}
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} catch (e) {
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if (mounted) {
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final msg = e.toString().contains('TimeoutException')
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? '搜索超时，请稍后重试'
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: '搜索失败，请检查网络';
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ToastUtil.show(context, msg);
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}
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}
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if (mounted) {
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setState(() {
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_movieLoading = false;
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_movieLoadingMore = false;
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});
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}
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}
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void _loadMoreMovies() {
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_searchMovies(_query, _moviePage + 1);
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}
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Future<void> _searchBooks(String keyword, int page) async {
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final token = UserPrefs().bookSearchToken;
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if (token.isEmpty) return;
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setState(() {
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if (page == 1) {
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_bookLoading = true;
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} else {
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_bookLoadingMore = true;
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}
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});
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try {
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final url =
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'${ServerConfig.vipBaseUrl}/api/book/list?title=${Uri.encodeComponent(keyword)}&token=$token&page=$page';
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final resp =
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await http.get(Uri.parse(url)).timeout(const Duration(seconds: 20));
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if (!mounted) return;
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if (resp.statusCode == 200) {
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final data = json.decode(resp.body);
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if (data['code'] == 0 && data['data'] != null) {
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final list = (data['data']['list'] as List<dynamic>?)
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?.map((e) => e as Map<String, dynamic>)
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.toList() ??
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[];
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setState(() {
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if (page == 1) {
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_bookList = list;
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} else {
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_bookList.addAll(list);
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}
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_bookTotal = data['data']['total'] ?? 0;
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_bookPage = data['data']['page'] ?? page;
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_bookPageCount = data['data']['pagecount'] ?? page;
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});
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} else if (data['code'] == 401 ||
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data['code'] == 403 ||
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data['msg']?.toString().contains('token') == true ||
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data['msg']?.toString().contains('过期') == true) {
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if (mounted)
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setState(() {
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_bookLoading = false;
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_bookLoadingMore = false;
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});
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_showTokenExpiredDialog();
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return;
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}
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}
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} catch (e) {
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if (mounted) {
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final msg = e.toString().contains('TimeoutException')
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? '搜索超时，请稍后重试'
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: '搜索失败，请检查网络';
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ToastUtil.show(context, msg);
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}
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}
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if (mounted) {
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setState(() {
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_bookLoading = false;
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_bookLoadingMore = false;
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});
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}
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}
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void _loadMoreBooks() {
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_searchBooks(_query, _bookPage + 1);
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}
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int _currentTab = 0;
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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 Material(
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color: colors.surface,
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child: Column(
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children: [
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// 搜索栏 + 搜索按钮
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Padding(
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padding: const EdgeInsets.fromLTRB(12, 8, 8, 8),
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child: Row(
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children: [
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Expanded(child: _buildSearchBar(colors)),
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TextButton(
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onPressed: _doSearch,
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child: Text('搜索',
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style: TextStyle(fontSize: 14, color: colors.primary)),
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),
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],
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),
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),
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// 影视/书籍 tab 栏（搜索后显示）
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if (_hasSearched)
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Container(
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decoration: BoxDecoration(
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border: Border(
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bottom: BorderSide(
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color: colors.outlineVariant, width: 0.5))),
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child: Row(children: [
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_buildTabButton(colors, '影视', 0, _movieTotal),
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_buildTabButton(colors, '书籍', 1, _bookTotal),
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]),
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),
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Expanded(
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child: _hasSearched
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? (_currentTab == 0
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? _buildMovieResults(colors)
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: _buildBookResults(colors))
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: _buildHistoryPanel(colors),
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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 _buildTabButton(
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ColorScheme colors, String label, int index, int count) {
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final selected = _currentTab == index;
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return GestureDetector(
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onTap: () {
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if (_currentTab == index) return;
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setState(() => _currentTab = index);
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_userPrefs.setLastSearchTab(index);
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// 切到新 tab 时，若该 tab 尚无数据则触发搜索
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if (_hasSearched && _query.isNotEmpty) {
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if (index == 0 && _movieList.isEmpty && !_movieLoading) {
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_searchMovies(_query, 1);
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} else if (index == 1 && _bookList.isEmpty && !_bookLoading) {
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_searchBooks(_query, 1);
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}
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}
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},
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child: Container(
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||
padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
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decoration: BoxDecoration(
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border: Border(
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||
bottom: BorderSide(
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color: selected ? colors.primary : Colors.transparent,
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width: 2)),
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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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||
Text(label,
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style: TextStyle(
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fontSize: 13,
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fontWeight: selected ? FontWeight.w600 : FontWeight.w400,
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color: selected
|
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? colors.primary
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: colors.onSurface.withValues(alpha: 0.4))),
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if (count > 0) ...[
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const SizedBox(width: 4),
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Container(
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padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 1),
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decoration: BoxDecoration(
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color: selected
|
||
? colors.primary.withValues(alpha: 0.1)
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: colors.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(8),
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),
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child: Text('$count',
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||
style: TextStyle(
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fontSize: 9,
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||
fontWeight: FontWeight.w600,
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color: selected
|
||
? colors.primary
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||
: colors.onSurface.withValues(alpha: 0.4))),
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||
),
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||
],
|
||
],
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _buildSearchBar(ColorScheme colors) {
|
||
return Container(
|
||
height: 36,
|
||
decoration: BoxDecoration(
|
||
color: colors.surfaceContainerHigh,
|
||
borderRadius: BorderRadius.circular(10),
|
||
border: Border.all(color: colors.outlineVariant, width: 0.5),
|
||
),
|
||
child: Row(
|
||
children: [
|
||
const SizedBox(width: 10),
|
||
Icon(Icons.search,
|
||
size: 16, color: colors.onSurface.withValues(alpha: 0.3)),
|
||
const SizedBox(width: 6),
|
||
Expanded(
|
||
child: TextField(
|
||
controller: _searchController,
|
||
focusNode: _focusNode,
|
||
style: TextStyle(fontSize: 13, color: colors.onSurface),
|
||
textInputAction: TextInputAction.search,
|
||
decoration: InputDecoration(
|
||
hintText: '搜索影视、书籍...',
|
||
hintStyle: TextStyle(
|
||
fontSize: 13,
|
||
color: colors.onSurface.withValues(alpha: 0.3)),
|
||
isDense: true,
|
||
contentPadding: EdgeInsets.zero,
|
||
border: InputBorder.none,
|
||
enabledBorder: InputBorder.none,
|
||
focusedBorder: InputBorder.none,
|
||
filled: false,
|
||
),
|
||
onSubmitted: (_) => _doSearch(),
|
||
),
|
||
),
|
||
if (_query.isNotEmpty)
|
||
GestureDetector(
|
||
onTap: () {
|
||
_searchController.clear();
|
||
setState(() {
|
||
_query = '';
|
||
_hasSearched = false;
|
||
_movieList = [];
|
||
});
|
||
},
|
||
child: Padding(
|
||
padding: const EdgeInsets.only(right: 8),
|
||
child: Icon(Icons.close,
|
||
size: 15, color: colors.onSurface.withValues(alpha: 0.3)),
|
||
),
|
||
),
|
||
if (_query.isEmpty) const SizedBox(width: 10),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
void _showTokenExpiredDialog() {
|
||
showDialog(
|
||
context: context,
|
||
builder: (ctx) {
|
||
final c = Theme.of(ctx).colorScheme;
|
||
return AlertDialog(
|
||
backgroundColor: c.surface,
|
||
elevation: 0,
|
||
shape:
|
||
RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
|
||
title: Text('Token 已过期',
|
||
style: TextStyle(
|
||
fontSize: 17,
|
||
fontWeight: FontWeight.w600,
|
||
color: c.onSurface)),
|
||
content: Text('当前 Token 已过期，请重新获取',
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
color: c.onSurface.withValues(alpha: 0.6),
|
||
height: 1.5)),
|
||
actionsPadding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
|
||
actions: [
|
||
ElevatedButton(
|
||
onPressed: () => Navigator.pop(ctx),
|
||
style: ElevatedButton.styleFrom(
|
||
backgroundColor: c.primary,
|
||
foregroundColor: c.onPrimary,
|
||
elevation: 0,
|
||
padding:
|
||
const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(8)),
|
||
),
|
||
child: const Text('知道了', style: TextStyle(fontSize: 14)),
|
||
),
|
||
],
|
||
);
|
||
},
|
||
);
|
||
}
|
||
|
||
// ── 影视搜索结果 ──────────────────────────────────────────────
|
||
|
||
Widget _buildMovieResults(ColorScheme colors) {
|
||
if (!_hasSearched)
|
||
return _buildEmptyState(colors, '搜索你想看的影视作品', Icons.movie_outlined);
|
||
if (UserPrefs().movieSearchToken.isEmpty)
|
||
return _buildEmptyState(
|
||
colors, '填入 Token 后可正常使用该功能', Icons.vpn_key_outlined);
|
||
if (_movieLoading) return _buildLoadingState(colors);
|
||
if (_movieList.isEmpty)
|
||
return _buildEmptyState(colors, '未找到相关内容', Icons.search_off_outlined);
|
||
|
||
final hasMore = _moviePage < _moviePageCount;
|
||
final itemCount = _movieList.length + 1; // +1 for bottom indicator
|
||
|
||
return ListView.builder(
|
||
controller: _movieScrollController,
|
||
padding: const EdgeInsets.fromLTRB(16, 12, 16, 24),
|
||
itemCount: itemCount,
|
||
itemBuilder: (context, index) {
|
||
if (index == _movieList.length) {
|
||
return _buildBottomIndicator(colors, hasMore,
|
||
loadingMore: _movieLoadingMore);
|
||
}
|
||
return Padding(
|
||
padding: const EdgeInsets.only(bottom: 10),
|
||
child: GestureDetector(
|
||
onTap: () => Navigator.push(
|
||
context,
|
||
MaterialPageRoute(
|
||
builder: (_) =>
|
||
MovieDetailPage(vodId: _movieList[index]['vod_id']))),
|
||
child: _buildMovieCard(colors, _movieList[index]),
|
||
),
|
||
);
|
||
},
|
||
);
|
||
}
|
||
|
||
Widget _buildMovieCard(ColorScheme colors, Map<String, dynamic> m) {
|
||
final name = m['vod_name'] ?? '';
|
||
final year = m['vod_year'] ?? '';
|
||
final area = m['vod_area'] ?? '';
|
||
final typeName = m['type_name'] ?? '';
|
||
final className = m['vod_class'] ?? '';
|
||
final director = m['vod_director'] ?? '';
|
||
final pic = m['vod_pic'] ?? '';
|
||
final isEnd = m['vod_isend'] ?? 0;
|
||
final isManual = m['is_manual_optimized'] ?? 0;
|
||
final tag = m['vod_tag'] ?? '';
|
||
|
||
return Container(
|
||
decoration: BoxDecoration(
|
||
color: colors.surfaceContainerHigh,
|
||
borderRadius: BorderRadius.circular(12),
|
||
),
|
||
clipBehavior: Clip.antiAlias,
|
||
child: IntrinsicHeight(
|
||
child: Row(
|
||
crossAxisAlignment: CrossAxisAlignment.stretch,
|
||
children: [
|
||
// 海报
|
||
SizedBox(
|
||
width: 100,
|
||
child: pic.toString().isNotEmpty
|
||
? Image.network(pic,
|
||
fit: BoxFit.cover,
|
||
errorBuilder: (_, __, ___) => _posterPlaceholder(colors))
|
||
: _posterPlaceholder(colors),
|
||
),
|
||
// 信息
|
||
Expanded(
|
||
child: Padding(
|
||
padding: const EdgeInsets.fromLTRB(12, 10, 12, 10),
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
// 第一行：名称 + 完结状态
|
||
Row(
|
||
children: [
|
||
Expanded(
|
||
child: Text(name,
|
||
style: TextStyle(
|
||
fontSize: 15,
|
||
fontWeight: FontWeight.w600,
|
||
color: colors.onSurface),
|
||
maxLines: 1,
|
||
overflow: TextOverflow.ellipsis),
|
||
),
|
||
const SizedBox(width: 6),
|
||
_buildStatusTag(colors, isEnd),
|
||
],
|
||
),
|
||
const SizedBox(height: 6),
|
||
// 第二行：年份+地区+类型
|
||
_buildInfoRow(colors, [
|
||
if (year.toString().isNotEmpty) year.toString(),
|
||
if (area.toString().isNotEmpty) area.toString(),
|
||
if (typeName.toString().isNotEmpty) typeName.toString(),
|
||
]),
|
||
if (className.toString().isNotEmpty) ...[
|
||
const SizedBox(height: 3),
|
||
Text(className,
|
||
style: TextStyle(
|
||
fontSize: 11,
|
||
color: colors.onSurface.withValues(alpha: 0.4)),
|
||
maxLines: 1,
|
||
overflow: TextOverflow.ellipsis),
|
||
],
|
||
const SizedBox(height: 6),
|
||
// 第三行：官方优化 + 标签
|
||
if (isManual == 1 || tag.toString().isNotEmpty)
|
||
_buildTagRow(colors, isManual, tag.toString()),
|
||
// 第四行：导演
|
||
if (director.toString().isNotEmpty) ...[
|
||
const SizedBox(height: 6),
|
||
Row(
|
||
children: [
|
||
Icon(Icons.person_outline,
|
||
size: 12,
|
||
color: colors.onSurface.withValues(alpha: 0.35)),
|
||
const SizedBox(width: 4),
|
||
Expanded(
|
||
child: Text(director,
|
||
style: TextStyle(
|
||
fontSize: 11,
|
||
color: colors.onSurface
|
||
.withValues(alpha: 0.5)),
|
||
maxLines: 1,
|
||
overflow: TextOverflow.ellipsis),
|
||
),
|
||
],
|
||
),
|
||
],
|
||
],
|
||
),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _buildStatusTag(ColorScheme colors, int isEnd) {
|
||
final isFinished = isEnd == 1;
|
||
return Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 6, vertical: 2),
|
||
decoration: BoxDecoration(
|
||
color: isFinished
|
||
? const Color(0xFF16A34A).withValues(alpha: 0.1)
|
||
: const Color(0xFFF59E0B).withValues(alpha: 0.1),
|
||
borderRadius: BorderRadius.circular(4),
|
||
),
|
||
child: Text(
|
||
isFinished ? '已完结' : '连载中',
|
||
style: TextStyle(
|
||
fontSize: 10,
|
||
fontWeight: FontWeight.w500,
|
||
color: isFinished ? const Color(0xFF16A34A) : const Color(0xFFF59E0B),
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _buildInfoRow(ColorScheme colors, List<String> items) {
|
||
return Wrap(
|
||
spacing: 6,
|
||
children: items
|
||
.map((s) => Text(s,
|
||
style: TextStyle(
|
||
fontSize: 11,
|
||
color: colors.onSurface.withValues(alpha: 0.5))))
|
||
.toList(),
|
||
);
|
||
}
|
||
|
||
Widget _buildTagRow(ColorScheme colors, int isManual, String tag) {
|
||
final tags = tag.split(',').where((t) => t.trim().isNotEmpty).toList();
|
||
return Wrap(
|
||
spacing: 4,
|
||
runSpacing: 4,
|
||
children: [
|
||
if (isManual == 1)
|
||
_buildSmallTag('官方优化', const Color(0xFF16A34A), isHighlight: true),
|
||
...tags.take(4).map((t) =>
|
||
_buildSmallTag(t.trim(), colors.onSurface.withValues(alpha: 0.4))),
|
||
if (tags.length > 4)
|
||
Text('+${tags.length - 4}',
|
||
style: TextStyle(
|
||
fontSize: 10,
|
||
color: colors.onSurface.withValues(alpha: 0.3))),
|
||
],
|
||
);
|
||
}
|
||
|
||
Widget _buildSmallTag(String text, Color textColor,
|
||
{bool isHighlight = false}) {
|
||
return Container(
|
||
padding: const EdgeInsets.symmetric(horizontal: 5, vertical: 1),
|
||
decoration: BoxDecoration(
|
||
color: isHighlight
|
||
? const Color(0xFF16A34A).withValues(alpha: 0.1)
|
||
: Colors.transparent,
|
||
borderRadius: BorderRadius.circular(3),
|
||
border: Border.all(
|
||
color: isHighlight
|
||
? const Color(0xFF16A34A).withValues(alpha: 0.3)
|
||
: textColor.withValues(alpha: 0.2),
|
||
width: 0.5,
|
||
),
|
||
),
|
||
child: Text(text,
|
||
style: TextStyle(
|
||
fontSize: 10,
|
||
color: isHighlight ? const Color(0xFF16A34A) : textColor)),
|
||
);
|
||
}
|
||
|
||
Widget _posterPlaceholder(ColorScheme colors) {
|
||
return Container(
|
||
color: colors.surfaceContainerHighest,
|
||
child: Center(
|
||
child: Icon(Icons.movie_outlined,
|
||
size: 28, color: colors.onSurface.withValues(alpha: 0.2))),
|
||
);
|
||
}
|
||
|
||
// ── 书籍搜索结果 ──────────────────────────────────────────────
|
||
|
||
Widget _buildBookResults(ColorScheme colors) {
|
||
if (!_hasSearched)
|
||
return _buildEmptyState(colors, '搜索你想看的书籍', Icons.menu_book_outlined);
|
||
if (UserPrefs().bookSearchToken.isEmpty)
|
||
return _buildEmptyState(
|
||
colors, '填入 Token 后可正常使用该功能', Icons.vpn_key_outlined);
|
||
if (_bookLoading) return _buildLoadingState(colors);
|
||
if (_bookList.isEmpty)
|
||
return _buildEmptyState(colors, '未找到相关书籍', Icons.search_off_outlined);
|
||
|
||
final hasMore = _bookPage < _bookPageCount;
|
||
final itemCount = _bookList.length + 1;
|
||
|
||
return ListView.builder(
|
||
controller: _bookScrollController,
|
||
padding: const EdgeInsets.fromLTRB(16, 12, 16, 24),
|
||
itemCount: itemCount,
|
||
itemBuilder: (context, index) {
|
||
if (index == _bookList.length) {
|
||
return _buildBottomIndicator(colors, hasMore,
|
||
loadingMore: _bookLoadingMore);
|
||
}
|
||
return Padding(
|
||
padding: const EdgeInsets.only(bottom: 10),
|
||
child: GestureDetector(
|
||
onTap: () => Navigator.push(
|
||
context,
|
||
MaterialPageRoute(
|
||
builder: (_) => BookDetailPage(
|
||
bookId: _bookList[index]['id'].toString()))),
|
||
child: _buildBookCard(colors, _bookList[index]),
|
||
),
|
||
);
|
||
},
|
||
);
|
||
}
|
||
|
||
Widget _buildBookCard(ColorScheme colors, Map<String, dynamic> b) {
|
||
final title = b['title'] ?? '';
|
||
final author = b['author'] ?? '';
|
||
final press = b['press'] ?? '';
|
||
final year = b['publishedDate'] ?? '';
|
||
final cover = b['cover'] ?? '';
|
||
final isbn = b['isbn'] ?? '';
|
||
|
||
return Container(
|
||
decoration: BoxDecoration(
|
||
color: colors.surfaceContainerHigh,
|
||
borderRadius: BorderRadius.circular(12),
|
||
),
|
||
clipBehavior: Clip.antiAlias,
|
||
child: IntrinsicHeight(
|
||
child: Row(
|
||
crossAxisAlignment: CrossAxisAlignment.stretch,
|
||
children: [
|
||
SizedBox(
|
||
width: 80,
|
||
child: cover.toString().isNotEmpty
|
||
? Image.network(cover,
|
||
fit: BoxFit.cover,
|
||
errorBuilder: (_, __, ___) =>
|
||
_bookCoverPlaceholder(colors))
|
||
: _bookCoverPlaceholder(colors),
|
||
),
|
||
Expanded(
|
||
child: Padding(
|
||
padding: const EdgeInsets.fromLTRB(12, 10, 12, 10),
|
||
child: Column(
|
||
crossAxisAlignment: CrossAxisAlignment.start,
|
||
children: [
|
||
Text(title,
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
fontWeight: FontWeight.w600,
|
||
color: colors.onSurface),
|
||
maxLines: 2,
|
||
overflow: TextOverflow.ellipsis),
|
||
if (author.toString().isNotEmpty) ...[
|
||
const SizedBox(height: 3),
|
||
Text(author,
|
||
style: TextStyle(
|
||
fontSize: 11,
|
||
color: colors.onSurface.withValues(alpha: 0.5)),
|
||
maxLines: 1,
|
||
overflow: TextOverflow.ellipsis),
|
||
],
|
||
if (press.toString().isNotEmpty) ...[
|
||
const SizedBox(height: 3),
|
||
Text(press,
|
||
style: TextStyle(
|
||
fontSize: 11,
|
||
color: colors.onSurface.withValues(alpha: 0.4)),
|
||
maxLines: 1,
|
||
overflow: TextOverflow.ellipsis),
|
||
],
|
||
if (year.toString().isNotEmpty) ...[
|
||
const SizedBox(height: 3),
|
||
Text('出版年份 $year',
|
||
style: TextStyle(
|
||
fontSize: 10,
|
||
color: colors.onSurface.withValues(alpha: 0.35))),
|
||
],
|
||
if (isbn.toString().isNotEmpty) ...[
|
||
const SizedBox(height: 3),
|
||
Text('ISBN $isbn',
|
||
style: TextStyle(
|
||
fontSize: 10,
|
||
color: colors.onSurface.withValues(alpha: 0.35))),
|
||
],
|
||
],
|
||
),
|
||
),
|
||
),
|
||
],
|
||
),
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _bookCoverPlaceholder(ColorScheme colors) {
|
||
return Container(
|
||
color: colors.surfaceContainerHighest,
|
||
child: Center(
|
||
child: Icon(Icons.menu_book_outlined,
|
||
size: 24, color: colors.onSurface.withValues(alpha: 0.2))),
|
||
);
|
||
}
|
||
|
||
// ── 通用状态 ──────────────────────────────────────────────────
|
||
|
||
Widget _buildLoadingState(ColorScheme colors) {
|
||
return Center(
|
||
child: Column(
|
||
mainAxisAlignment: MainAxisAlignment.center,
|
||
children: [
|
||
SizedBox(
|
||
width: 28,
|
||
height: 28,
|
||
child: CircularProgressIndicator(
|
||
strokeWidth: 2.5, color: colors.primary),
|
||
),
|
||
const SizedBox(height: 16),
|
||
Text('正在搜索...',
|
||
style: TextStyle(
|
||
fontSize: 13,
|
||
color: colors.onSurface.withValues(alpha: 0.4))),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
Widget _buildBottomIndicator(ColorScheme colors, bool hasMore,
|
||
{bool loadingMore = false}) {
|
||
if (hasMore && loadingMore) {
|
||
return Padding(
|
||
padding: const EdgeInsets.symmetric(vertical: 20),
|
||
child: Row(
|
||
mainAxisAlignment: MainAxisAlignment.center,
|
||
children: [
|
||
SizedBox(
|
||
width: 16,
|
||
height: 16,
|
||
child: CircularProgressIndicator(
|
||
strokeWidth: 2, color: colors.primary)),
|
||
const SizedBox(width: 8),
|
||
Text('加载中...',
|
||
style: TextStyle(
|
||
fontSize: 12,
|
||
color: colors.onSurface.withValues(alpha: 0.4))),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
return Padding(
|
||
padding: const EdgeInsets.symmetric(vertical: 24, horizontal: 20),
|
||
child: Row(
|
||
mainAxisAlignment: MainAxisAlignment.center,
|
||
children: [
|
||
Expanded(child: Container(height: 0.5, color: colors.outlineVariant)),
|
||
const SizedBox(width: 10),
|
||
Flexible(
|
||
child: Text(
|
||
'已经是所有数据啦，要是没有的话，请联系开发者添加哦~',
|
||
style: TextStyle(
|
||
fontSize: 11, color: colors.onSurface.withValues(alpha: 0.3)),
|
||
textAlign: TextAlign.center,
|
||
),
|
||
),
|
||
const SizedBox(width: 10),
|
||
Expanded(child: Container(height: 0.5, color: colors.outlineVariant)),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
|
||
// ── 搜索历史 ──────────────────────────────────────────────────
|
||
|
||
Widget _buildHistoryPanel(ColorScheme colors) {
|
||
if (_history.isEmpty)
|
||
return _buildEmptyState(colors, '搜索你想看的影视/书籍作品', Icons.manage_search_outlined);
|
||
return ListView(
|
||
padding: const EdgeInsets.fromLTRB(20, 16, 20, 24),
|
||
children: [
|
||
Row(
|
||
children: [
|
||
Text('搜索历史',
|
||
style: TextStyle(
|
||
fontSize: 13,
|
||
fontWeight: FontWeight.w600,
|
||
color: colors.onSurface)),
|
||
const Spacer(),
|
||
GestureDetector(
|
||
onTap: () {
|
||
showDialog(
|
||
context: context,
|
||
builder: (ctx) {
|
||
final c = Theme.of(ctx).colorScheme;
|
||
return AlertDialog(
|
||
backgroundColor: c.surface,
|
||
elevation: 0,
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(12)),
|
||
title: Text('清空搜索记录',
|
||
style: TextStyle(
|
||
fontSize: 17,
|
||
fontWeight: FontWeight.w600,
|
||
color: c.onSurface)),
|
||
content: Text('确定删除全部搜索记录？',
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
color: c.onSurface.withValues(alpha: 0.6),
|
||
height: 1.5)),
|
||
actionsPadding: const EdgeInsets.fromLTRB(16, 0, 16, 16),
|
||
actions: [
|
||
TextButton(
|
||
onPressed: () => Navigator.pop(ctx),
|
||
style: TextButton.styleFrom(
|
||
foregroundColor:
|
||
c.onSurface.withValues(alpha: 0.6),
|
||
padding: const EdgeInsets.symmetric(
|
||
horizontal: 16, vertical: 8),
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(8))),
|
||
child:
|
||
const Text('取消', style: TextStyle(fontSize: 14)),
|
||
),
|
||
ElevatedButton(
|
||
onPressed: () {
|
||
Navigator.pop(ctx);
|
||
_userPrefs.clearSearchHistory();
|
||
setState(() {
|
||
_history = [];
|
||
});
|
||
},
|
||
style: ElevatedButton.styleFrom(
|
||
backgroundColor: c.error,
|
||
foregroundColor: c.onError,
|
||
elevation: 0,
|
||
padding: const EdgeInsets.symmetric(
|
||
horizontal: 16, vertical: 8),
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(8))),
|
||
child:
|
||
const Text('清空', style: TextStyle(fontSize: 14)),
|
||
),
|
||
],
|
||
);
|
||
},
|
||
);
|
||
},
|
||
child: Text('清空',
|
||
style: TextStyle(
|
||
fontSize: 12,
|
||
color: colors.onSurface.withValues(alpha: 0.4))),
|
||
),
|
||
],
|
||
),
|
||
const SizedBox(height: 12),
|
||
Wrap(
|
||
spacing: 8,
|
||
runSpacing: 8,
|
||
children: _history
|
||
.map((kw) => GestureDetector(
|
||
onTap: () {
|
||
_searchController.text = kw;
|
||
_doSearch();
|
||
},
|
||
onLongPress: () {
|
||
showDialog(
|
||
context: context,
|
||
builder: (ctx) {
|
||
final c = Theme.of(ctx).colorScheme;
|
||
return AlertDialog(
|
||
backgroundColor: c.surface,
|
||
elevation: 0,
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(12)),
|
||
title: Text('删除搜索记录',
|
||
style: TextStyle(
|
||
fontSize: 17,
|
||
fontWeight: FontWeight.w600,
|
||
color: c.onSurface)),
|
||
content: Text('确定删除「$kw」？',
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
color: c.onSurface.withValues(alpha: 0.6),
|
||
height: 1.5)),
|
||
actionsPadding:
|
||
const EdgeInsets.fromLTRB(16, 0, 16, 16),
|
||
actions: [
|
||
TextButton(
|
||
onPressed: () => Navigator.pop(ctx),
|
||
style: TextButton.styleFrom(
|
||
foregroundColor:
|
||
c.onSurface.withValues(alpha: 0.6),
|
||
padding: const EdgeInsets.symmetric(
|
||
horizontal: 16, vertical: 8),
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(8)),
|
||
),
|
||
child: const Text('取消',
|
||
style: TextStyle(fontSize: 14)),
|
||
),
|
||
ElevatedButton(
|
||
onPressed: () {
|
||
Navigator.pop(ctx);
|
||
_userPrefs.removeSearchHistory(kw).then((_) {
|
||
if (mounted)
|
||
setState(() {
|
||
_history = _userPrefs.searchHistory;
|
||
});
|
||
});
|
||
},
|
||
style: ElevatedButton.styleFrom(
|
||
backgroundColor: c.error,
|
||
foregroundColor: c.onError,
|
||
elevation: 0,
|
||
padding: const EdgeInsets.symmetric(
|
||
horizontal: 16, vertical: 8),
|
||
shape: RoundedRectangleBorder(
|
||
borderRadius: BorderRadius.circular(8)),
|
||
),
|
||
child: const Text('删除',
|
||
style: TextStyle(fontSize: 14)),
|
||
),
|
||
],
|
||
);
|
||
},
|
||
);
|
||
},
|
||
child: Container(
|
||
padding: const EdgeInsets.symmetric(
|
||
horizontal: 12, vertical: 6),
|
||
decoration: BoxDecoration(
|
||
color: colors.surfaceContainerHigh,
|
||
borderRadius: BorderRadius.circular(20),
|
||
border: Border.all(
|
||
color: colors.outlineVariant, width: 0.5),
|
||
),
|
||
child: Text(kw,
|
||
style: TextStyle(
|
||
fontSize: 12,
|
||
color: colors.onSurface.withValues(alpha: 0.6))),
|
||
),
|
||
))
|
||
.toList(),
|
||
),
|
||
],
|
||
);
|
||
}
|
||
|
||
Widget _buildEmptyState(ColorScheme colors, String hint, IconData icon) {
|
||
return Center(
|
||
child: Column(
|
||
mainAxisAlignment: MainAxisAlignment.center,
|
||
children: [
|
||
Container(
|
||
width: 80,
|
||
height: 80,
|
||
decoration: BoxDecoration(
|
||
color: colors.surfaceContainerHighest,
|
||
borderRadius: BorderRadius.circular(20),
|
||
),
|
||
child: Icon(icon,
|
||
size: 36, color: colors.onSurface.withValues(alpha: 0.2)),
|
||
),
|
||
const SizedBox(height: 20),
|
||
Text(hint,
|
||
style: TextStyle(
|
||
fontSize: 14,
|
||
color: colors.onSurface.withValues(alpha: 0.35))),
|
||
const SizedBox(height: 4),
|
||
Text('输入关键词后点击搜索',
|
||
style: TextStyle(
|
||
fontSize: 12,
|
||
color: colors.onSurface.withValues(alpha: 0.2))),
|
||
],
|
||
),
|
||
);
|
||
}
|
||
}
|