mirror of
https://github.com/vodemn/m3_lightmeter.git
synced 2024-10-19 23:00:39 +00:00
66 lines
1.8 KiB
Dart
66 lines
1.8 KiB
Dart
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import 'package:flutter/material.dart';
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import 'package:lightmeter/data/models/ev_source_type.dart';
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import 'package:lightmeter/data/shared_prefs_service.dart';
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import 'package:lightmeter/environment.dart';
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import 'package:provider/provider.dart';
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class EvSourceTypeProvider extends StatefulWidget {
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final Widget child;
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const EvSourceTypeProvider({required this.child, super.key});
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static EvSourceTypeProviderState of(BuildContext context) {
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return context.findAncestorStateOfType<EvSourceTypeProviderState>()!;
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}
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@override
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State<EvSourceTypeProvider> createState() => EvSourceTypeProviderState();
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}
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class EvSourceTypeProviderState extends State<EvSourceTypeProvider> {
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late final ValueNotifier<EvSourceType> valueListenable;
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@override
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void initState() {
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super.initState();
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final evSourceType = context.read<UserPreferencesService>().evSourceType;
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valueListenable = ValueNotifier(
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evSourceType == EvSourceType.sensor && !context.read<Environment>().hasLightSensor
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? EvSourceType.camera
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: evSourceType,
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);
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}
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@override
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void dispose() {
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valueListenable.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return ValueListenableBuilder(
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valueListenable: valueListenable,
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builder: (_, value, child) => Provider.value(
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value: value,
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child: child,
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),
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child: widget.child,
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);
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}
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void toggleType() {
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switch (valueListenable.value) {
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case EvSourceType.camera:
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if (context.read<Environment>().hasLightSensor) {
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valueListenable.value = EvSourceType.sensor;
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}
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break;
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case EvSourceType.sensor:
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valueListenable.value = EvSourceType.camera;
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break;
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}
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context.read<UserPreferencesService>().evSourceType = valueListenable.value;
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}
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}
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