nexus/lib/widgets/radio_dialog.dart

54 lines
1.5 KiB
Dart

import "package:flutter/material.dart";
import "package:flutter_hooks/flutter_hooks.dart";
class RadioDialog<T> extends HookWidget {
final T? value;
final String title;
final List<T> options;
final void Function(T value)? onChanged;
final String Function(T option) getName;
const RadioDialog({
super.key,
required this.title,
required this.value,
required this.options,
required this.onChanged,
required this.getName,
});
@override
Widget build(BuildContext context) {
final mutValue = useState<T?>(null);
return AlertDialog(
title: Text(title),
content: Column(
mainAxisSize: MainAxisSize.min,
children: options
.map(
(option) => RadioListTile<T>(
value: option,
groupValue: mutValue.value ?? value,
onChanged: onChanged == null
? null
: (value) =>
mutValue.value = value ?? mutValue.value ?? value,
title: Text(getName(option)),
dense: true,
),
)
.toList(),
),
actions: [
TextButton(onPressed: Navigator.of(context).pop, child: Text("Cancel")),
if (onChanged != null)
TextButton(
onPressed: () {
if (mutValue.value != null) onChanged!(mutValue.value as T);
Navigator.of(context).pop();
},
child: Text("OK"),
),
],
);
}
}