70 lines
1.8 KiB
Dart
70 lines
1.8 KiB
Dart
import 'package:flutter/material.dart';
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class SelectDialog<T> extends StatefulWidget {
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final T value;
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final String title;
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final List<dynamic> values;
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const SelectDialog(
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{super.key,
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required this.value,
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required this.values,
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required this.title});
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@override
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_SelectDialogState<T> createState() => _SelectDialogState<T>();
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}
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class _SelectDialogState<T> extends State<SelectDialog<T>> {
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late T _tempValue;
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@override
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void initState() {
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super.initState();
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_tempValue = widget.value;
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}
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@override
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Widget build(BuildContext context) {
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TextStyle titleStyle = Theme.of(context).textTheme.titleMedium!;
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return AlertDialog(
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title: Text(widget.title),
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contentPadding: const EdgeInsets.fromLTRB(0, 12, 0, 12),
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content: StatefulBuilder(builder: (context, StateSetter setState) {
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return SingleChildScrollView(
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child: Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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for (var i in widget.values) ...[
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RadioListTile(
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value: i['value'],
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title: Text(i['title'], style: titleStyle),
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groupValue: _tempValue,
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onChanged: (value) {
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setState(() {
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_tempValue = value as T;
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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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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: Text(
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'取消',
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style: TextStyle(color: Theme.of(context).colorScheme.outline),
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),
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),
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TextButton(
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onPressed: () => Navigator.pop(context, _tempValue),
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child: const Text('确定'),
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)
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],
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);
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}
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}
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