Files
fl-query/packages/fl_query/lib/query_builder.dart
T
2022-05-27 12:51:13 +06:00

37 lines
1.0 KiB
Dart

import 'package:fl_query/query.dart';
import 'package:fl_query/query_bowl.dart';
import 'package:flutter/widgets.dart';
class QueryBuilder<T> extends StatefulWidget {
final Widget Function(BuildContext, Query<T>) builder;
final QueryTaskFunction<T> task;
final String queryKey;
const QueryBuilder({
required this.builder,
required this.task,
required this.queryKey,
Key? key,
}) : super(key: key);
@override
State<QueryBuilder<T>> createState() => _QueryBuilderState<T>();
}
class _QueryBuilderState<T> extends State<QueryBuilder<T>> {
late Query<T> query;
@override
void initState() {
super.initState();
query = Query<T>(queryKey: widget.queryKey, task: widget.task);
WidgetsBinding.instance.addPostFrameCallback((_) async {
await QueryBowl.of(context).fetchQuery(query);
});
}
@override
Widget build(BuildContext context) {
final queryRT = QueryBowl.of(context).getQuery<T>(widget.queryKey) ?? query;
return widget.builder(context, queryRT);
}
}