mirror of
https://github.com/git-touch/git-touch
synced 2024-12-24 14:51:28 +01:00
87 lines
1.9 KiB
Dart
87 lines
1.9 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/cupertino.dart';
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import 'package:git_touch/scaffolds/common.dart';
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import 'package:git_touch/scaffolds/utils.dart';
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class RefreshStatefulScaffold<T> extends StatefulWidget {
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final Widget title;
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final Widget Function(T data, void Function(VoidCallback fn) setState)
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bodyBuilder;
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final Future<T> Function() fetchData;
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final Widget Function(T data, void Function(VoidCallback fn) setState)
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actionBuilder;
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final canRefresh;
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RefreshStatefulScaffold({
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@required this.title,
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@required this.bodyBuilder,
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@required this.fetchData,
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this.actionBuilder,
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this.canRefresh = true,
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});
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@override
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_RefreshStatefulScaffoldState<T> createState() =>
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_RefreshStatefulScaffoldState();
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}
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class _RefreshStatefulScaffoldState<T>
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extends State<RefreshStatefulScaffold<T>> {
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bool _loading;
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T _data;
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String _error = '';
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@override
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void initState() {
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super.initState();
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_refresh();
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setState(() {});
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}
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Future<void> _refresh() async {
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try {
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setState(() {
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_error = '';
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_loading = true;
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});
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_data = await widget.fetchData();
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} catch (err) {
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_error = err.toString();
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throw err;
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} finally {
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if (mounted) {
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setState(() {
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_loading = false;
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});
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}
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}
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}
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Widget get _action {
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if (widget.actionBuilder == null) return null;
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return widget.actionBuilder(_data, setState);
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}
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@override
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Widget build(BuildContext context) {
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Widget child = ErrorLoadingWrapper(
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bodyBuilder: () => widget.bodyBuilder(_data, setState),
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error: _error,
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loading: _data == null,
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reload: _refresh,
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);
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if (widget.canRefresh) {
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child = RefreshWrapper(
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onRefresh: _refresh,
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body: child,
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);
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}
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return CommonScaffold(
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title: widget.title,
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body: child,
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action: _action,
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);
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}
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}
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