pikapika/lib/screens/components/ContentBuilder.dart

37 lines
997 B
Dart

import 'package:flutter/material.dart';
import 'ContentError.dart';
import 'ContentLoading.dart';
class ContentBuilder<T> extends StatelessWidget {
final Future<T> future;
final Future<dynamic> Function() onRefresh;
final AsyncWidgetBuilder<T> successBuilder;
const ContentBuilder(
{Key? key,
required this.future,
required this.onRefresh,
required this.successBuilder})
: super(key: key);
@override
Widget build(BuildContext context) {
return FutureBuilder(
future: future,
builder: (BuildContext context, AsyncSnapshot<T> snapshot) {
if (snapshot.hasError) {
return ContentError(
error: snapshot.error,
stackTrace: snapshot.stackTrace,
onRefresh: onRefresh,
);
}
if (snapshot.connectionState != ConnectionState.done) {
return ContentLoading(label: '加载中');
}
return successBuilder(context, snapshot);
},
);
}
}