implemented CalibrationDialog

lib/screens/metering/ev_source/camera/bloc_camera.dart

@@ -44,6 +44,7 @@ class CameraBloc extends EvSourceBloc<CameraEvent, CameraState> {
     on<InitializeEvent>(_onInitialize);
     on<ZoomChangedEvent>(_onZoomChanged);
     on<ExposureOffsetChangedEvent>(_onExposureOffsetChanged);
+    on<ExposureOffsetResetEvent>(_onExposureOffsetResetEvent);
 
     add(const InitializeEvent());
   }
@@ -119,10 +120,14 @@ class CameraBloc extends EvSourceBloc<CameraEvent, CameraState> {
   Future<void> _onExposureOffsetChanged(ExposureOffsetChangedEvent event, Emitter emit) async {
     _cameraController!.setExposureOffset(event.value);
     _currentExposureOffset = event.value;
-    if (event.value == 0.0) _meteringInteractor.quickVibration();
     _emitActiveState(emit);
   }
 
+  Future<void> _onExposureOffsetResetEvent(ExposureOffsetResetEvent event, Emitter emit) async {
+    _meteringInteractor.quickVibration();
+    add(const ExposureOffsetChangedEvent(0));
+  }
+
   void _emitActiveState(Emitter emit) {
     emit(CameraActiveState(
       minZoom: _zoomRange!.start,

lib/screens/metering/ev_source/camera/event_camera.dart

@@ -17,3 +17,7 @@ class ExposureOffsetChangedEvent extends CameraEvent {
 
   const ExposureOffsetChangedEvent(this.value);
 }
+
+class ExposureOffsetResetEvent extends CameraEvent {
+  const ExposureOffsetResetEvent();
+}

lib/screens/metering/screen_metering.dart

@@ -2,7 +2,6 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lightmeter/data/models/photography_values/photography_value.dart';
 import 'package:lightmeter/res/dimens.dart';
-import 'package:lightmeter/screens/settings/screen_settings.dart';
 
 import 'components/bottom_controls/widget_bottom_controls.dart';
 import 'components/camera/widget_exposure_slider.dart';
@@ -87,9 +86,7 @@ class _MeteringScreenState extends State<MeteringScreen> {
                   ),
                   MeteringBottomControls(
                     onMeasure: () => context.read<MeteringBloc>().add(const MeasureEvent()),
-                    onSettings: () {
+                    onSettings: () => Navigator.pushNamed(context, 'settings'),
-                      Navigator.pushNamed(context, 'settings');
-                    },
                   ),
                 ],
               ),

lib/screens/settings/components/calibration/components/calibration_dialog/bloc_dialog_calibration.dart

@@ -0,0 +1,33 @@
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:lightmeter/interactors/settings_interactor.dart';
+
+import 'event_dialog_calibration.dart';
+import 'state_dialog_calibration.dart';
+
+class CalibrationDialogBloc extends Bloc<CalibrationDialogEvent, CalibrationDialogState> {
+  final SettingsInteractor _settingsInteractor;
+
+  late double _cameraEvCalibration = _settingsInteractor.cameraEvCalibration;
+
+  CalibrationDialogBloc(this._settingsInteractor)
+      : super(CalibrationDialogState(_settingsInteractor.cameraEvCalibration)) {
+    on<CameraEvCalibrationChangedEvent>(_onCameraEvCalibrationChanged);
+    on<CameraEvCalibrationResetEvent>(_onCameraEvCalibrationReset);
+    on<SaveCalibrationDialogEvent>(_onSaveCalibration);
+  }
+
+  void _onCameraEvCalibrationChanged(CameraEvCalibrationChangedEvent event, Emitter emit) {
+    _cameraEvCalibration = event.value;
+    emit(CalibrationDialogState(event.value));
+  }
+
+  void _onCameraEvCalibrationReset(CameraEvCalibrationResetEvent event, Emitter emit) {
+    _settingsInteractor.quickVibration();
+    _cameraEvCalibration = _settingsInteractor.cameraEvCalibration;
+    emit(CalibrationDialogState(_cameraEvCalibration));
+  }
+
+  void _onSaveCalibration(SaveCalibrationDialogEvent event, __) {
+    _settingsInteractor.setCameraEvCalibration(_cameraEvCalibration);
+  }
+}

lib/screens/settings/components/calibration/components/calibration_dialog/event_dialog_calibration.dart

@@ -0,0 +1,17 @@
+abstract class CalibrationDialogEvent {
+  const CalibrationDialogEvent();
+}
+
+class CameraEvCalibrationChangedEvent extends CalibrationDialogEvent {
+  final double value;
+
+  const CameraEvCalibrationChangedEvent(this.value);
+}
+
+class CameraEvCalibrationResetEvent extends CalibrationDialogEvent {
+  const CameraEvCalibrationResetEvent();
+}
+
+class SaveCalibrationDialogEvent extends CalibrationDialogEvent {
+  const SaveCalibrationDialogEvent();
+}

lib/screens/settings/components/calibration/components/calibration_dialog/provider_dialog_calibration.dart

@@ -0,0 +1,18 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:lightmeter/interactors/settings_interactor.dart';
+
+import 'bloc_dialog_calibration.dart';
+import 'widget_dialog_calibration.dart';
+
+class CalibrationDialogProvider extends StatelessWidget {
+  const CalibrationDialogProvider({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocProvider(
+      create: (context) => CalibrationDialogBloc(context.read<SettingsInteractor>()),
+      child: const CalibrationDialog(),
+    );
+  }
+}

lib/screens/settings/components/calibration/components/calibration_dialog/state_dialog_calibration.dart

@@ -0,0 +1,5 @@
+class CalibrationDialogState {
+  final double cameraEvCalibration;
+
+  const CalibrationDialogState(this.cameraEvCalibration);
+}

lib/screens/settings/components/calibration/components/calibration_dialog/widget_dialog_calibration.dart

@@ -1,24 +1,22 @@
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lightmeter/generated/l10n.dart';
 import 'package:lightmeter/res/dimens.dart';
+import 'package:lightmeter/screens/settings/components/calibration/components/calibration_dialog/event_dialog_calibration.dart';
 import 'package:lightmeter/screens/shared/centered_slider/widget_slider_centered.dart';
 import 'package:lightmeter/utils/to_string_signed.dart';
 
-class CalibrationDialog extends StatefulWidget {
+import 'bloc_dialog_calibration.dart';
-  final double cameraEvCalibration;
+import 'state_dialog_calibration.dart';
 
-  const CalibrationDialog({
+class CalibrationDialog extends StatefulWidget {
-    required this.cameraEvCalibration,
+  const CalibrationDialog({super.key});
-    super.key,
-  });
 
   @override
   State<CalibrationDialog> createState() => _CalibrationDialogState();
 }
 
 class _CalibrationDialogState extends State<CalibrationDialog> {
-  late double _cameraEvCalibration = widget.cameraEvCalibration;
-
   @override
   Widget build(BuildContext context) {
     return AlertDialog(
@@ -30,22 +28,21 @@ class _CalibrationDialogState extends State<CalibrationDialog> {
       ),
       title: Text(S.of(context).calibration),
       contentPadding: const EdgeInsets.symmetric(horizontal: Dimens.paddingL),
-      content: Column(
+      content: BlocBuilder<CalibrationDialogBloc, CalibrationDialogState>(
+        builder: (context, state) => Column(
           mainAxisSize: MainAxisSize.min,
           children: [
             Text(S.of(context).calibrationMessage),
             const SizedBox(height: Dimens.grid16),
             _CalibrationUnit(
               title: S.of(context).camera,
-            value: _cameraEvCalibration,
+              value: state.cameraEvCalibration,
-            onChanged: (value) {
+              onChanged: (value) => context.read<CalibrationDialogBloc>().add(CameraEvCalibrationChangedEvent(value)),
-              setState(() {
+              onReset: () => context.read<CalibrationDialogBloc>().add(const CameraEvCalibrationResetEvent()),
-                _cameraEvCalibration = value;
-              });
-            },
             ),
           ],
         ),
+      ),
       actionsPadding: const EdgeInsets.fromLTRB(
         Dimens.paddingL,
         Dimens.paddingM,
@@ -58,7 +55,10 @@ class _CalibrationDialogState extends State<CalibrationDialog> {
           child: Text(S.of(context).cancel),
         ),
         TextButton(
-          onPressed: () => Navigator.of(context).pop(_cameraEvCalibration),
+          onPressed: () {
+            context.read<CalibrationDialogBloc>().add(const SaveCalibrationDialogEvent());
+            Navigator.of(context).pop();
+          },
           child: Text(S.of(context).save),
         ),
       ],
@@ -70,11 +70,13 @@ class _CalibrationUnit extends StatelessWidget {
   final String title;
   final double value;
   final ValueChanged<double> onChanged;
+  final VoidCallback onReset;
 
   const _CalibrationUnit({
     required this.title,
     required this.value,
     required this.onChanged,
+    required this.onReset,
   });
 
   @override
@@ -99,9 +101,7 @@ class _CalibrationUnit extends StatelessWidget {
               ),
             ),
             IconButton(
-              onPressed: () {
+              onPressed: onReset,
-                onChanged(0.0);
-              },
               icon: const Icon(Icons.sync),
             ),
           ],

lib/screens/settings/components/calibration/event_list_tile_calibration.dart

@@ -1,9 +0,0 @@
-abstract class CalibrationEvent {
-  const CalibrationEvent();
-}
-
-class CameraEvCalibrationChangedEvent extends CalibrationEvent {
-  final double value;
-
-  const CameraEvCalibrationChangedEvent(this.value);
-}

lib/screens/settings/components/calibration/widget_list_tile_calibration.dart

@@ -1,7 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:lightmeter/generated/l10n.dart';
+import 'package:lightmeter/interactors/settings_interactor.dart';
+import 'package:provider/provider.dart';
 
-import 'components/calibration_dialog/widget_dialog_calibration.dart';
+import 'components/calibration_dialog/provider_dialog_calibration.dart';
 
 class CalibrationListTile extends StatelessWidget {
   const CalibrationListTile({super.key});
@@ -14,12 +16,11 @@ class CalibrationListTile extends StatelessWidget {
       onTap: () {
         showDialog<double>(
           context: context,
-          builder: (_) => CalibrationDialog(
+          builder: (_) => Provider.value(
-            cameraEvCalibration: 0.0,
+            value: context.read<SettingsInteractor>(),
+            child: const CalibrationDialogProvider(),
           ),
-        ).then((value) {
+        );
-          if (value != null) {}
-        });
       },
     );
   }

lib/screens/settings/flow_settings.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:lightmeter/data/haptics_service.dart';
 import 'package:lightmeter/data/shared_prefs_service.dart';
 import 'package:lightmeter/interactors/settings_interactor.dart';