145 lines
3.8 KiB
Dart
145 lines
3.8 KiB
Dart
import 'package:flutter/material.dart';
|
|
|
|
import '../controllers/scheduler_read_controller.dart';
|
|
|
|
class ReadStateView<T> extends StatelessWidget {
|
|
const ReadStateView({
|
|
required this.controller,
|
|
required this.title,
|
|
required this.emptyTitle,
|
|
required this.emptyMessage,
|
|
required this.dataBuilder,
|
|
super.key,
|
|
});
|
|
|
|
final UiReadController<T> controller;
|
|
final String title;
|
|
final String emptyTitle;
|
|
final String emptyMessage;
|
|
final Widget Function(BuildContext context, T value) dataBuilder;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return AnimatedBuilder(
|
|
animation: controller,
|
|
builder: (context, _) {
|
|
return switch (controller.state) {
|
|
SchedulerReadLoading<T>() => const Center(
|
|
child: CircularProgressIndicator(),
|
|
),
|
|
SchedulerReadData<T>(value: final value) => dataBuilder(
|
|
context,
|
|
value,
|
|
),
|
|
SchedulerReadEmpty<T>(value: final value) => EmptyStatePanel(
|
|
title: emptyTitle,
|
|
message: emptyMessage,
|
|
child: dataBuilder(context, value),
|
|
),
|
|
SchedulerReadFailure<T>(failure: final failure, error: final error) =>
|
|
FailureStatePanel(
|
|
title: 'Could not load $title',
|
|
code: failure?.detailCode ?? failure?.code.name ?? 'unexpected',
|
|
technicalDetail: error?.toString(),
|
|
onRetry: controller.retry,
|
|
),
|
|
};
|
|
},
|
|
);
|
|
}
|
|
}
|
|
|
|
class EmptyStatePanel extends StatelessWidget {
|
|
const EmptyStatePanel({
|
|
required this.title,
|
|
required this.message,
|
|
this.child,
|
|
super.key,
|
|
});
|
|
|
|
final String title;
|
|
final String message;
|
|
final Widget? child;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
final panel = Padding(
|
|
padding: const EdgeInsets.all(16),
|
|
child: Card(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(16),
|
|
child: Column(
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(title, style: Theme.of(context).textTheme.titleMedium),
|
|
const SizedBox(height: 8),
|
|
Text(message),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
final content = child;
|
|
if (content == null) {
|
|
return Center(child: panel);
|
|
}
|
|
|
|
return Column(
|
|
children: [
|
|
Expanded(child: content),
|
|
panel,
|
|
],
|
|
);
|
|
}
|
|
}
|
|
|
|
class FailureStatePanel extends StatelessWidget {
|
|
const FailureStatePanel({
|
|
required this.title,
|
|
required this.code,
|
|
required this.onRetry,
|
|
this.technicalDetail,
|
|
super.key,
|
|
});
|
|
|
|
final String title;
|
|
final String code;
|
|
final String? technicalDetail;
|
|
final Future<void> Function() onRetry;
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return Center(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(16),
|
|
child: Card(
|
|
child: Padding(
|
|
padding: const EdgeInsets.all(16),
|
|
child: Column(
|
|
mainAxisSize: MainAxisSize.min,
|
|
crossAxisAlignment: CrossAxisAlignment.start,
|
|
children: [
|
|
Text(title, style: Theme.of(context).textTheme.titleMedium),
|
|
const SizedBox(height: 8),
|
|
Text('Status: $code'),
|
|
if (technicalDetail != null) ...[
|
|
const SizedBox(height: 8),
|
|
Text(technicalDetail!),
|
|
],
|
|
const SizedBox(height: 12),
|
|
FilledButton.icon(
|
|
onPressed: () async {
|
|
await onRetry();
|
|
},
|
|
icon: const Icon(Icons.refresh),
|
|
label: const Text('Retry'),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
}
|