KazukyAkayashi/m3_lightmeter
KazukyAkayashi/m3_lightmeter
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Vadim 2023-06-09 13:55:11 +02:00
parent abf4d77342
commit b30d9ceb2e
1 changed files with 82 additions and 91 deletions
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161
lib/screens/metering/screen_metering.dart
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@ -30,24 +30,16 @@ class MeteringScreen extends StatelessWidget {
children: [ children: [
Expanded( Expanded(
child: BlocBuilder<MeteringBloc, MeteringState>( child: BlocBuilder<MeteringBloc, MeteringState>(
builder: (_, state) { builder: (_, state) => _MeteringContainerBuidler(
final exposurePairs = state is MeteringDataState && state.ev != null ev: state is MeteringDataState ? state.ev : null,
? buildExposureValues(context, state.ev!, state.film)
: <ExposurePair>[];
return _MeteringContainerBuidler(
fastest: exposurePairs.isNotEmpty ? exposurePairs.first : null,
slowest: exposurePairs.isNotEmpty ? exposurePairs.last : null,
exposurePairs: exposurePairs,
film: state.film, film: state.film,
iso: state.iso, iso: state.iso,
nd: state.nd, nd: state.nd,
onFilmChanged: (value) => onFilmChanged: (value) =>
context.read<MeteringBloc>().add(FilmChangedEvent(value)), context.read<MeteringBloc>().add(FilmChangedEvent(value)),
onIsoChanged: (value) => onIsoChanged: (value) => context.read<MeteringBloc>().add(IsoChangedEvent(value)),
context.read<MeteringBloc>().add(IsoChangedEvent(value)),
onNdChanged: (value) => context.read<MeteringBloc>().add(NdChangedEvent(value)), onNdChanged: (value) => context.read<MeteringBloc>().add(NdChangedEvent(value)),
); ),
},
), ),
), ),
BlocBuilder<MeteringBloc, MeteringState>( BlocBuilder<MeteringBloc, MeteringState>(
@ -66,6 +58,78 @@ class MeteringScreen extends StatelessWidget {
), ),
); );
} }
}
class _InheritedListeners extends StatelessWidget {
final Widget child;
const _InheritedListeners({required this.child});
@override
Widget build(BuildContext context) {
return InheritedWidgetListener<EquipmentProfile>(
onDidChangeDependencies: (value) {
context.read<MeteringBloc>().add(EquipmentProfileChangedEvent(value));
},
child: InheritedModelAspectListener<MeteringScreenLayoutFeature, bool>(
aspect: MeteringScreenLayoutFeature.filmPicker,
onDidChangeDependencies: (value) {
if (!value) context.read<MeteringBloc>().add(const FilmChangedEvent(Film.other()));
},
child: child,
),
);
}
}
class _MeteringContainerBuidler extends StatelessWidget {
final double? ev;
final Film film;
final IsoValue iso;
final NdValue nd;
final ValueChanged<Film> onFilmChanged;
final ValueChanged<IsoValue> onIsoChanged;
final ValueChanged<NdValue> onNdChanged;
const _MeteringContainerBuidler({
required this.ev,
required this.film,
required this.iso,
required this.nd,
required this.onFilmChanged,
required this.onIsoChanged,
required this.onNdChanged,
});
@override
Widget build(BuildContext context) {
final exposurePairs = ev != null ? buildExposureValues(context, ev!, film) : <ExposurePair>[];
final fastest = exposurePairs.isNotEmpty ? exposurePairs.first : null;
final slowest = exposurePairs.isNotEmpty ? exposurePairs.last : null;
return context.listen<EvSourceType>() == EvSourceType.camera
? CameraContainerProvider(
fastest: fastest,
slowest: slowest,
film: film,
iso: iso,
nd: nd,
onFilmChanged: onFilmChanged,
onIsoChanged: onIsoChanged,
onNdChanged: onNdChanged,
exposurePairs: exposurePairs,
)
: LightSensorContainerProvider(
fastest: fastest,
slowest: slowest,
film: film,
iso: iso,
nd: nd,
onFilmChanged: onFilmChanged,
onIsoChanged: onIsoChanged,
onNdChanged: onNdChanged,
exposurePairs: exposurePairs,
);
}
List<ExposurePair> buildExposureValues(BuildContext context, double ev, Film film) { List<ExposurePair> buildExposureValues(BuildContext context, double ev, Film film) {
if (ev.isNaN || ev.isInfinite) { if (ev.isNaN || ev.isInfinite) {
@ -131,76 +195,3 @@ class MeteringScreen extends StatelessWidget {
); );
} }
} }
class _InheritedListeners extends StatelessWidget {
final Widget child;
const _InheritedListeners({required this.child});
@override
Widget build(BuildContext context) {
return InheritedWidgetListener<EquipmentProfile>(
onDidChangeDependencies: (value) {
context.read<MeteringBloc>().add(EquipmentProfileChangedEvent(value));
},
child: InheritedModelAspectListener<MeteringScreenLayoutFeature, bool>(
aspect: MeteringScreenLayoutFeature.filmPicker,
onDidChangeDependencies: (value) {
if (!value) context.read<MeteringBloc>().add(const FilmChangedEvent(Film.other()));
},
child: child,
),
);
}
}
class _MeteringContainerBuidler extends StatelessWidget {
final ExposurePair? fastest;
final ExposurePair? slowest;
final Film film;
final IsoValue iso;
final NdValue nd;
final ValueChanged<Film> onFilmChanged;
final ValueChanged<IsoValue> onIsoChanged;
final ValueChanged<NdValue> onNdChanged;
final List<ExposurePair> exposurePairs;
const _MeteringContainerBuidler({
required this.fastest,
required this.slowest,
required this.film,
required this.iso,
required this.nd,
required this.onFilmChanged,
required this.onIsoChanged,
required this.onNdChanged,
required this.exposurePairs,
});
@override
Widget build(BuildContext context) {
return context.listen<EvSourceType>() == EvSourceType.camera
? CameraContainerProvider(
fastest: fastest,
slowest: slowest,
film: film,
iso: iso,
nd: nd,
onFilmChanged: onFilmChanged,
onIsoChanged: onIsoChanged,
onNdChanged: onNdChanged,
exposurePairs: exposurePairs,
)
: LightSensorContainerProvider(
fastest: fastest,
slowest: slowest,
film: film,
iso: iso,
nd: nd,
onFilmChanged: onFilmChanged,
onIsoChanged: onIsoChanged,
onNdChanged: onNdChanged,
exposurePairs: exposurePairs,
);
}
}