added list tile to set exposure offset for equipment profile

lib/screens/equipment_profile_edit/bloc_equipment_profile_edit.dart

@@ -42,6 +42,7 @@ class EquipmentProfileEditBloc extends Bloc<EquipmentProfileEditEvent, Equipment
             isoValues: profile.isoValues,
             ndValues: profile.ndValues,
             lensZoom: profile.lensZoom,
+            exposureOffset: profile.exposureOffset,
             canSave: false,
           ),
         ) {
@@ -60,6 +61,8 @@ class EquipmentProfileEditBloc extends Bloc<EquipmentProfileEditEvent, Equipment
             await _onNdValuesChanged(e, emit);
           case final EquipmentProfileLensZoomChangedEvent e:
             await _onLensZoomChanged(e, emit);
+          case final EquipmentProfileExposureOffsetChangedEvent e:
+            await _onExposureOffsetChanged(e, emit);
           case EquipmentProfileSaveEvent():
             await _onSave(event, emit);
           case EquipmentProfileCopyEvent():
@@ -131,6 +134,16 @@ class EquipmentProfileEditBloc extends Bloc<EquipmentProfileEditEvent, Equipment
     );
   }
 
+  Future<void> _onExposureOffsetChanged(EquipmentProfileExposureOffsetChangedEvent event, Emitter emit) async {
+    _newEquipmentProfile = _newEquipmentProfile.copyWith(exposureOffset: event.exposureOffset);
+    emit(
+      state.copyWith(
+        exposureOffset: event.exposureOffset,
+        canSave: _canSave(state.name, event.exposureOffset),
+      ),
+    );
+  }
+
   Future<void> _onSave(EquipmentProfileSaveEvent _, Emitter emit) async {
     emit(state.copyWith(isLoading: true));
     if (_isEdit) {
@@ -143,6 +156,7 @@ class EquipmentProfileEditBloc extends Bloc<EquipmentProfileEditEvent, Equipment
           shutterSpeedValues: state.shutterSpeedValues,
           isoValues: state.isoValues,
           lensZoom: state.lensZoom,
+          exposureOffset: state.exposureOffset,
         ),
       );
     } else {
@@ -155,6 +169,7 @@ class EquipmentProfileEditBloc extends Bloc<EquipmentProfileEditEvent, Equipment
           shutterSpeedValues: state.shutterSpeedValues,
           isoValues: state.isoValues,
           lensZoom: state.lensZoom,
+          exposureOffset: state.exposureOffset,
         ),
       );
     }
@@ -173,6 +188,6 @@ class EquipmentProfileEditBloc extends Bloc<EquipmentProfileEditEvent, Equipment
   }
 
   bool _canSave(String name, double? lensZoom) {
-    return name.isNotEmpty && lensZoom != null && _newEquipmentProfile != _originalEquipmentProfile;
+    return name.isNotEmpty && _newEquipmentProfile != _originalEquipmentProfile;
   }
 }

lib/screens/equipment_profile_edit/event_equipment_profile_edit.dart

@@ -40,6 +40,12 @@ class EquipmentProfileLensZoomChangedEvent extends EquipmentProfileEditEvent {
   const EquipmentProfileLensZoomChangedEvent(this.lensZoom);
 }
 
+class EquipmentProfileExposureOffsetChangedEvent extends EquipmentProfileEditEvent {
+  final double exposureOffset;
+
+  const EquipmentProfileExposureOffsetChangedEvent(this.exposureOffset);
+}
+
 class EquipmentProfileSaveEvent extends EquipmentProfileEditEvent {
   const EquipmentProfileSaveEvent();
 }

lib/screens/equipment_profile_edit/screen_equipment_profile_edit.dart

@@ -10,9 +10,11 @@ import 'package:lightmeter/screens/equipment_profile_edit/components/slider_pick
 import 'package:lightmeter/screens/equipment_profile_edit/event_equipment_profile_edit.dart';
 import 'package:lightmeter/screens/equipment_profile_edit/flow_equipment_profile_edit.dart';
 import 'package:lightmeter/screens/equipment_profile_edit/state_equipment_profile_edit.dart';
+import 'package:lightmeter/screens/metering/components/camera_container/bloc_container_camera.dart';
 import 'package:lightmeter/screens/shared/sliver_screen/screen_sliver.dart';
 import 'package:lightmeter/screens/shared/text_field/widget_text_field.dart';
 import 'package:lightmeter/utils/double_to_zoom.dart';
+import 'package:lightmeter/utils/to_string_signed.dart';
 import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart';
 
 class EquipmentProfileEditScreen extends StatefulWidget {
@@ -108,6 +110,7 @@ class _EquipmentProfileEditScreenState extends State<EquipmentProfileEditScreen>
                           _ApertureValuesListTileBuilder(),
                           _ShutterSpeedValuesListTileBuilder(),
                           _LensZoomListTileBuilder(),
+                          _ExposureOffsetListTileBuilder(),
                         ],
                       ),
                     ),
@@ -246,7 +249,7 @@ class _LensZoomListTileBuilder extends StatelessWidget {
         title: S.of(context).lensZoom,
         description: S.of(context).lensZoomDescription,
         value: state.lensZoom,
-        range: const RangeValues(1, 7),
+        range: CameraContainerBloc.zoomMaxRange,
         valueAdapter: (context, value) => value.toZoom(context),
         onChanged: (value) {
           context.read<EquipmentProfileEditBloc>().add(EquipmentProfileLensZoomChangedEvent(value));
@@ -255,3 +258,24 @@ class _LensZoomListTileBuilder extends StatelessWidget {
     );
   }
 }
+
+class _ExposureOffsetListTileBuilder extends StatelessWidget {
+  const _ExposureOffsetListTileBuilder();
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocBuilder<EquipmentProfileEditBloc, EquipmentProfileEditState>(
+      builder: (context, state) => SliderPickerListTile(
+        icon: Icons.light_mode_outlined,
+        title: S.of(context).lensZoom,
+        description: S.of(context).lensZoomDescription,
+        value: state.exposureOffset,
+        range: CameraContainerBloc.exposureMaxRange,
+        valueAdapter: (context, value) => S.of(context).evValue(value.toStringSignedAsFixed(1)),
+        onChanged: (value) {
+          context.read<EquipmentProfileEditBloc>().add(EquipmentProfileExposureOffsetChangedEvent(value));
+        },
+      ),
+    );
+  }
+}

lib/screens/equipment_profile_edit/state_equipment_profile_edit.dart

@@ -7,6 +7,7 @@ class EquipmentProfileEditState {
   final List<ShutterSpeedValue> shutterSpeedValues;
   final List<IsoValue> isoValues;
   final double lensZoom;
+  final double exposureOffset;
   final bool canSave;
   final bool isLoading;
   final EquipmentProfile? profileToCopy;
@@ -18,6 +19,7 @@ class EquipmentProfileEditState {
     required this.shutterSpeedValues,
     required this.isoValues,
     required this.lensZoom,
+    required this.exposureOffset,
     required this.canSave,
     this.isLoading = false,
     this.profileToCopy,
@@ -30,6 +32,7 @@ class EquipmentProfileEditState {
     List<ShutterSpeedValue>? shutterSpeedValues,
     List<IsoValue>? isoValues,
     double? lensZoom,
+    double? exposureOffset,
     bool? canSave,
     bool? isLoading,
     EquipmentProfile? profileToCopy,
@@ -41,6 +44,7 @@ class EquipmentProfileEditState {
         shutterSpeedValues: shutterSpeedValues ?? this.shutterSpeedValues,
         isoValues: isoValues ?? this.isoValues,
         lensZoom: lensZoom ?? this.lensZoom,
+        exposureOffset: exposureOffset ?? this.exposureOffset,
         canSave: canSave ?? this.canSave,
         isLoading: isLoading ?? this.isLoading,
         profileToCopy: profileToCopy ?? this.profileToCopy,