PMU_PIbd32_Kamcharova_K.A/lib/character_search_delegate.dart

57 lines
1.3 KiB
Dart

import 'package:flutter/material.dart';
class CharacterSearchDelegate extends SearchDelegate<String> {
final List<String> suggestions;
CharacterSearchDelegate(this.suggestions);
@override
List<Widget>? buildActions(BuildContext context) {
return [
IconButton(
icon: Icon(Icons.clear),
onPressed: () {
query = '';
},
),
];
}
@override
Widget? buildLeading(BuildContext context) {
return IconButton(
icon: Icon(Icons.arrow_back),
onPressed: () {
close(context, '');
},
);
}
@override
Widget buildResults(BuildContext context) {
return Center(
child: Text('Search result for: $query'),
);
}
@override
Widget buildSuggestions(BuildContext context) {
final filteredSuggestions = suggestions
.where((suggestion) => suggestion.toLowerCase().contains(query.toLowerCase()))
.toList();
return ListView.builder(
itemCount: filteredSuggestions.length,
itemBuilder: (context, index) {
final suggestion = filteredSuggestions[index];
return ListTile(
title: Text(suggestion),
onTap: () {
query = suggestion;
showResults(context);
},
);
},
);
}
}