flutter_aliplayer/example/lib/widget/aliyun_segment.dart

56 lines
1.9 KiB
Dart

import 'package:flutter/material.dart';
typedef OnSelectAtIdx = void Function(int value);
class AliyunSegment extends StatelessWidget {
final List<String> titles;
final int selIdx;
final OnSelectAtIdx onSelectAtIdx;
const AliyunSegment(
{Key key, this.titles, this.selIdx = 0, this.onSelectAtIdx})
: super(key: key);
@override
Widget build(BuildContext context) {
return Row(
children: titles
.asMap()
.map((i, value) => MapEntry(
i,
Expanded(
child: i == selIdx
? TextButton(
style: TextButton.styleFrom(
backgroundColor: Colors.black12,
shape: RoundedRectangleBorder(),
textStyle: TextStyle(
color: Theme.of(context).canvasColor)),
onPressed: () => _onSelIdx(i),
child: Text(
value,
maxLines: 1,
overflow: TextOverflow.ellipsis,
))
: OutlinedButton(
style: OutlinedButton.styleFrom(
shape: RoundedRectangleBorder(),
textStyle: TextStyle(color: Theme.of(context).colorScheme.secondary)
),
onPressed: () => _onSelIdx(i),
child: Text(
value,
maxLines: 1,
overflow: TextOverflow.ellipsis,
)))))
.values
.toList());
}
_onSelIdx(int idx) {
if (onSelectAtIdx != null) {
onSelectAtIdx(idx);
}
}
}