Files
sendico/frontend/pweb/lib/pages/settings/widgets/base.dart
2025-12-18 15:15:33 +03:00

138 lines
3.9 KiB
Dart

import 'package:flutter/material.dart';
import 'package:flutter_settings_ui/flutter_settings_ui.dart';
import 'package:pweb/models/edit_state.dart';
import 'package:pweb/utils/error/snackbar.dart';
import 'package:pweb/generated/i18n/app_localizations.dart';
abstract class BaseEditTile<T> extends AbstractSettingsTile {
const BaseEditTile({
super.key,
required this.icon,
required this.title,
required this.valueGetter,
required this.valueSetter,
required this.errorSituation,
});
final IconData icon;
final String title;
final ValueGetter<T?> valueGetter;
final Future<void> Function(T) valueSetter;
final String errorSituation;
Widget buildView(BuildContext context, T? value);
Widget buildEditor(
BuildContext context,
T? initial,
void Function(T) onSave,
VoidCallback onCancel,
bool isSaving,
);
bool get useDialogEditor => false;
@override
Widget build(BuildContext context) => _BaseEditTileBody<T>(delegate: this);
}
class _BaseEditTileBody<T> extends StatefulWidget {
const _BaseEditTileBody({required this.delegate});
final BaseEditTile<T> delegate;
@override
State<_BaseEditTileBody<T>> createState() => _BaseEditTileBodyState<T>();
}
class _BaseEditTileBodyState<T> extends State<_BaseEditTileBody<T>> {
EditState _state = EditState.view;
bool get _isSaving => _state == EditState.saving;
Future<void> _performSave(T newValue) async {
final current = widget.delegate.valueGetter();
if (newValue == current) {
setState(() => _state = EditState.view);
return;
}
setState(() => _state = EditState.saving);
final sms = ScaffoldMessenger.of(context);
final locs = AppLocalizations.of(context)!;
try {
await widget.delegate.valueSetter(newValue);
sms.showSnackBar(SnackBar(
content: Text(locs.settingsSuccessfullyUpdated),
duration: const Duration(milliseconds: 1200),
));
} catch (e) {
notifyUserOfErrorX(
scaffoldMessenger: sms,
errorSituation: widget.delegate.errorSituation,
appLocalizations: locs,
exception: e,
);
} finally {
if (mounted) setState(() => _state = EditState.view);
}
}
Future<void> _openDialogEditor() async {
final initial = widget.delegate.valueGetter();
final T? result = await showDialog<T>(
context: context,
barrierDismissible: true,
builder: (ctx) {
return Dialog(
insetPadding: const EdgeInsets.symmetric(horizontal: 24, vertical: 24),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(28)),
child: Padding(
padding: const EdgeInsets.all(16),
child: widget.delegate.buildEditor(
ctx,
initial,
(v) => Navigator.of(ctx).pop(v),
() => Navigator.of(ctx).pop(),
_isSaving,
),
),
);
},
);
if (result != null) await _performSave(result);
}
@override
Widget build(BuildContext context) {
final delegate = widget.delegate;
final current = delegate.valueGetter();
if (delegate.useDialogEditor) {
return SettingsTile.navigation(
leading: Icon(delegate.icon),
title: Text(delegate.title),
value: delegate.buildView(context, current),
onPressed: (_) => _openDialogEditor(),
);
}
return SettingsTile.navigation(
leading: Icon(delegate.icon),
title: Text(delegate.title),
value: _state == EditState.view
? delegate.buildView(context, current)
: delegate.buildEditor(
context,
current,
_performSave,
() => setState(() => _state = EditState.view),
_isSaving,
),
onPressed: (_) {
if (_state == EditState.view) setState(() => _state = EditState.edit);
},
);
}
}