509 lines
21 KiB
Dart
509 lines
21 KiB
Dart
import 'package:easy_localization/easy_localization.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_hooks/flutter_hooks.dart';
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import 'package:go_router/go_router.dart';
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import 'package:hooks_riverpod/hooks_riverpod.dart';
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import 'package:island/pods/chat/messages_notifier.dart';
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import 'package:island/pods/chat/chat_rooms.dart';
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import 'package:island/widgets/app_scaffold.dart';
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import 'package:island/widgets/chat/message_list_tile.dart';
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import 'package:material_symbols_icons/material_symbols_icons.dart';
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import 'package:super_sliver_list/super_sliver_list.dart';
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import 'package:island/services/responsive.dart';
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import 'dart:async';
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// Class to represent the result when popping from search messages
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class SearchMessagesResult {
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final String messageId;
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const SearchMessagesResult(this.messageId);
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}
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// Search states for better UX
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enum SearchState { idle, searching, results, noResults, error }
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class _SearchFilters extends StatelessWidget {
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final ValueNotifier<bool> withLinks;
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final ValueNotifier<bool> withAttachments;
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final void Function(String) performSearch;
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final TextEditingController searchController;
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final bool isLarge;
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const _SearchFilters({
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required this.withLinks,
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required this.withAttachments,
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required this.performSearch,
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required this.searchController,
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required this.isLarge,
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});
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@override
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Widget build(BuildContext context) {
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if (isLarge) {
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return Row(
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children: [
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IconButton(
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icon: Icon(
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Symbols.link,
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color:
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withLinks.value
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? Theme.of(context).colorScheme.primary
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: Theme.of(context).iconTheme.color,
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),
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onPressed: () {
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withLinks.value = !withLinks.value;
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performSearch(searchController.text);
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},
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tooltip: 'searchLinks'.tr(),
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),
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IconButton(
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icon: Icon(
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Symbols.file_copy,
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color:
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withAttachments.value
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? Theme.of(context).colorScheme.primary
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: Theme.of(context).iconTheme.color,
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),
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onPressed: () {
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withAttachments.value = !withAttachments.value;
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performSearch(searchController.text);
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},
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tooltip: 'searchAttachments'.tr(),
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),
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],
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);
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} else {
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return Row(
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children: [
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FilterChip(
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avatar: const Icon(Symbols.link, size: 16),
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label: const Text('searchLinks').tr(),
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selected: withLinks.value,
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onSelected: (bool? value) {
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withLinks.value = value!;
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performSearch(searchController.text);
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},
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(20),
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),
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),
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const SizedBox(width: 8),
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FilterChip(
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avatar: const Icon(Symbols.file_copy, size: 16),
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label: const Text('searchAttachments').tr(),
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selected: withAttachments.value,
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onSelected: (bool? value) {
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withAttachments.value = value!;
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performSearch(searchController.text);
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},
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(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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}
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}
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class SearchMessagesScreen extends HookConsumerWidget {
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final String roomId;
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const SearchMessagesScreen({super.key, required this.roomId});
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@override
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Widget build(BuildContext context, WidgetRef ref) {
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final searchController = useTextEditingController();
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final withLinks = useState(false);
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final withAttachments = useState(false);
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final searchState = useState(SearchState.idle);
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final searchResultCount = useState<int?>(null);
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final searchResults = useState<AsyncValue<List<dynamic>>>(
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const AsyncValue.data([]),
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);
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// Debounce timer for search optimization
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final debounceTimer = useRef<Timer?>(null);
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final messagesNotifier = ref.read(
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messagesNotifierProvider(roomId).notifier,
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);
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// Optimized search function with debouncing
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void performSearch(String query) async {
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final trimmedQuery = query.trim();
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final hasFilters = withLinks.value || withAttachments.value;
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if (trimmedQuery.isEmpty && !hasFilters) {
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searchState.value = SearchState.idle;
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searchResultCount.value = null;
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searchResults.value = const AsyncValue.data([]);
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return;
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}
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searchState.value = SearchState.searching;
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searchResults.value = const AsyncValue.loading();
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// Cancel previous search if still active
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debounceTimer.value?.cancel();
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// Debounce search to avoid excessive API calls
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debounceTimer.value = Timer(const Duration(milliseconds: 300), () async {
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try {
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final results = await messagesNotifier.getSearchResults(
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query.trim(),
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withLinks: withLinks.value,
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withAttachments: withAttachments.value,
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);
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searchResults.value = AsyncValue.data(results);
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searchState.value =
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results.isEmpty ? SearchState.noResults : SearchState.results;
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searchResultCount.value = results.length;
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} catch (error, stackTrace) {
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searchResults.value = AsyncValue.error(error, stackTrace);
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searchState.value = SearchState.error;
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}
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});
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}
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// Search state is now managed locally in performSearch
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useEffect(() {
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// Clear search when screen is disposed
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return () {
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debounceTimer.value?.cancel();
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// Note: Don't access ref here as widget may be disposed
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// Flashing messages will be cleared by the next screen or jump operation
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};
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}, []);
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// Clear flashing messages when screen initializes (safer than in dispose)
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useEffect(() {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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// Clear flashing messages when entering search screen
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ref.read(flashingMessagesProvider.notifier).state = {};
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});
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return null;
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}, []);
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final isLarge = isWideScreen(context);
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return AppScaffold(
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appBar: AppBar(
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title: const Text('searchMessages').tr(),
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bottom:
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searchState.value == SearchState.searching
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? const PreferredSize(
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preferredSize: Size.fromHeight(2),
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child: LinearProgressIndicator(),
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)
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: null,
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),
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body: Column(
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children: [
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// Search input section
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Container(
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margin: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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child: Material(
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elevation: 2,
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color: Theme.of(context).colorScheme.surfaceContainerHighest,
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borderRadius: BorderRadius.circular(32),
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child: Padding(
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padding: const EdgeInsets.symmetric(vertical: 6, horizontal: 8),
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child:
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isLarge
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? Row(
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children: [
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Expanded(
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child: TextField(
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controller: searchController,
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autofocus: true,
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decoration: InputDecoration(
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hintText: 'searchMessagesHint'.tr(),
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border: InputBorder.none,
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isDense: true,
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 12,
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),
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suffixIcon: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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if (searchResultCount.value != null &&
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searchState.value ==
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SearchState.results)
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Container(
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margin: const EdgeInsets.only(
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right: 8,
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),
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padding: const EdgeInsets.symmetric(
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horizontal: 8,
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vertical: 2,
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),
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decoration: BoxDecoration(
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color: Theme.of(context)
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.colorScheme
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.primary
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.withOpacity(0.1),
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borderRadius: BorderRadius.circular(
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12,
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),
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),
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child: Text(
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'${searchResultCount.value}',
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.bold,
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color:
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Theme.of(
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context,
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).colorScheme.primary,
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),
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),
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),
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if (searchController.text.isNotEmpty)
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IconButton(
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iconSize: 18,
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visualDensity: VisualDensity.compact,
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icon: const Icon(Icons.clear),
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onPressed: () {
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searchController.clear();
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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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onChanged: performSearch,
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),
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),
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const SizedBox(width: 16),
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SingleChildScrollView(
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scrollDirection: Axis.horizontal,
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child: _SearchFilters(
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withLinks: withLinks,
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withAttachments: withAttachments,
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performSearch: performSearch,
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searchController: searchController,
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isLarge: isLarge,
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),
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),
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],
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)
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: Column(
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children: [
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TextField(
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controller: searchController,
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autofocus: true,
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decoration: InputDecoration(
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hintText: 'searchMessagesHint'.tr(),
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border: InputBorder.none,
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isDense: true,
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contentPadding: const EdgeInsets.symmetric(
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horizontal: 12,
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vertical: 12,
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),
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suffixIcon: Row(
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mainAxisSize: MainAxisSize.min,
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children: [
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if (searchResultCount.value != null &&
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searchState.value ==
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SearchState.results)
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Container(
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margin: const EdgeInsets.only(right: 8),
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padding: const EdgeInsets.symmetric(
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horizontal: 8,
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vertical: 2,
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),
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decoration: BoxDecoration(
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color: Theme.of(context)
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.colorScheme
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.primary
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.withOpacity(0.1),
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borderRadius: BorderRadius.circular(
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12,
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),
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),
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child: Text(
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'${searchResultCount.value}',
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style: TextStyle(
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fontSize: 12,
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fontWeight: FontWeight.bold,
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color:
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Theme.of(
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context,
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).colorScheme.primary,
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),
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),
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),
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if (searchController.text.isNotEmpty)
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IconButton(
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iconSize: 18,
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visualDensity: VisualDensity.compact,
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icon: const Icon(Icons.clear),
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onPressed: () {
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searchController.clear();
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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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onChanged: performSearch,
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),
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Padding(
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padding: const EdgeInsets.only(
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left: 8,
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right: 8,
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top: 8,
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bottom: 8,
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),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.end,
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children: [
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_SearchFilters(
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withLinks: withLinks,
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withAttachments: withAttachments,
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performSearch: performSearch,
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searchController: searchController,
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isLarge: false,
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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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),
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),
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// Search results section
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Expanded(
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child: searchResults.value.when(
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data: (messageList) {
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switch (searchState.value) {
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case SearchState.idle:
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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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Icon(
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Icons.search,
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size: 64,
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color: Theme.of(context).disabledColor,
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),
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const SizedBox(height: 16),
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Text(
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'searchMessagesHint'.tr(),
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style: Theme.of(
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context,
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).textTheme.bodyLarge?.copyWith(
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color: Theme.of(context).disabledColor,
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),
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),
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],
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),
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);
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case SearchState.noResults:
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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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Icon(
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Icons.search_off,
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size: 64,
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color: Theme.of(context).disabledColor,
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),
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const SizedBox(height: 16),
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Text(
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'noMessagesFound'.tr(),
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style: Theme.of(
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context,
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).textTheme.bodyLarge?.copyWith(
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color: Theme.of(context).disabledColor,
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),
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),
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const SizedBox(height: 8),
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Text(
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'tryDifferentKeywords'.tr(),
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style: Theme.of(
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context,
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).textTheme.bodySmall?.copyWith(
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color: Theme.of(context).disabledColor,
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),
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),
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],
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),
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);
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case SearchState.results:
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return SuperListView.builder(
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padding: const EdgeInsets.symmetric(vertical: 16),
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reverse: false, // Show newest messages at the top
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itemCount: messageList.length,
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itemBuilder: (context, index) {
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final message = messageList[index];
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return MessageListTile(
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message: message,
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onJump: (messageId) {
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// Return the search result and pop back to room detail
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context.pop(SearchMessagesResult(messageId));
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},
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);
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},
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);
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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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loading: () {
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if (searchState.value == SearchState.searching) {
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return const Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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CircularProgressIndicator(),
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SizedBox(height: 16),
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Text('Searching...'),
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],
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),
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);
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}
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return const Center(child: CircularProgressIndicator());
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},
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error: (error, _) {
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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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Icon(
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Icons.error_outline,
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size: 64,
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color: Theme.of(context).colorScheme.error,
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),
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const SizedBox(height: 16),
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Text(
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'searchError'.tr(),
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style: Theme.of(context).textTheme.bodyLarge?.copyWith(
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color: Theme.of(context).colorScheme.error,
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),
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),
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const SizedBox(height: 8),
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ElevatedButton.icon(
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onPressed: () => performSearch(searchController.text),
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icon: const Icon(Icons.refresh),
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label: const Text('retry').tr(),
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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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],
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),
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);
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}
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}
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