m3_lightmeter/lib/providers/equipment_profile_provider.dart
2023-11-01 21:10:27 +01:00

129 lines
3.8 KiB
Dart

import 'package:flutter/material.dart';
import 'package:lightmeter/utils/selectable_provider.dart';
import 'package:m3_lightmeter_iap/m3_lightmeter_iap.dart';
import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
import 'package:uuid/uuid.dart';
class EquipmentProfileProvider extends StatefulWidget {
final IAPStorageService storageService;
final Widget child;
const EquipmentProfileProvider({
required this.storageService,
required this.child,
super.key,
});
static EquipmentProfileProviderState of(BuildContext context) {
return context.findAncestorStateOfType<EquipmentProfileProviderState>()!;
}
@override
State<EquipmentProfileProvider> createState() => EquipmentProfileProviderState();
}
class EquipmentProfileProviderState extends State<EquipmentProfileProvider> {
static const EquipmentProfile _defaultProfile = EquipmentProfile(
id: '',
name: '',
apertureValues: ApertureValue.values,
ndValues: NdValue.values,
shutterSpeedValues: ShutterSpeedValue.values,
isoValues: IsoValue.values,
);
List<EquipmentProfile> _customProfiles = [];
String _selectedId = '';
EquipmentProfile get _selectedProfile => _customProfiles.firstWhere(
(e) => e.id == _selectedId,
orElse: () => _defaultProfile,
);
@override
void initState() {
super.initState();
_selectedId = widget.storageService.selectedEquipmentProfileId;
_customProfiles = widget.storageService.equipmentProfiles;
}
@override
Widget build(BuildContext context) {
return EquipmentProfiles(
values: [
_defaultProfile,
if (IAPProducts.isPurchased(context, IAPProductType.paidFeatures)) ..._customProfiles,
],
selected: IAPProducts.isPurchased(context, IAPProductType.paidFeatures) ? _selectedProfile : _defaultProfile,
child: widget.child,
);
}
void setProfile(EquipmentProfile data) {
if (_selectedId != data.id) {
setState(() {
_selectedId = data.id;
});
widget.storageService.selectedEquipmentProfileId = _selectedProfile.id;
}
}
/// Creates a default equipment profile
void addProfile(String name, [EquipmentProfile? copyFrom]) {
_customProfiles.add(
EquipmentProfile(
id: const Uuid().v1(),
name: name,
apertureValues: copyFrom?.apertureValues ?? ApertureValue.values,
ndValues: copyFrom?.ndValues ?? NdValue.values,
shutterSpeedValues: copyFrom?.shutterSpeedValues ?? ShutterSpeedValue.values,
isoValues: copyFrom?.isoValues ?? IsoValue.values,
),
);
_refreshSavedProfiles();
}
void updateProfile(EquipmentProfile data) {
final indexToUpdate = _customProfiles.indexWhere((element) => element.id == data.id);
if (indexToUpdate >= 0) {
_customProfiles[indexToUpdate] = data;
_refreshSavedProfiles();
}
}
void deleteProfile(EquipmentProfile data) {
if (data.id == _selectedId) {
_selectedId = _defaultProfile.id;
widget.storageService.selectedEquipmentProfileId = _defaultProfile.id;
}
_customProfiles.remove(data);
_refreshSavedProfiles();
}
void _refreshSavedProfiles() {
widget.storageService.equipmentProfiles = _customProfiles;
setState(() {});
}
}
class EquipmentProfiles extends SelectableInheritedModel<EquipmentProfile> {
const EquipmentProfiles({
super.key,
required super.values,
required super.selected,
required super.child,
});
/// [_defaultProfile] + profiles created by the user
static List<EquipmentProfile> of(BuildContext context) {
return InheritedModel.inheritFrom<EquipmentProfiles>(context, aspect: SelectableAspect.list)!.values;
}
static EquipmentProfile selectedOf(BuildContext context) {
return InheritedModel.inheritFrom<EquipmentProfiles>(
context,
aspect: SelectableAspect.selected,
)!
.selected;
}
}