import 'package:flutter/material.dart'; import 'package:m3_lightmeter_resources/m3_lightmeter_resources.dart'; import 'package:uuid/uuid.dart'; class EquipmentProfileProvider extends StatefulWidget { final Widget child; const EquipmentProfileProvider({required this.child, super.key}); static EquipmentProfileProviderState of(BuildContext context) { return context.findAncestorStateOfType()!; } @override State createState() => EquipmentProfileProviderState(); } class EquipmentProfileProviderState extends State { final List _profiles = []; late EquipmentProfileData _selectedProfile = _profiles.isNotEmpty ? _profiles.first : const EquipmentProfileData( id: 'default', name: '', apertureValues: apertureValues, ndValues: ndValues, shutterSpeedValues: shutterSpeedValues, isoValues: isoValues, ); @override Widget build(BuildContext context) { return EquipmentProfiles( profiles: _profiles, child: EquipmentProfile( data: _selectedProfile, child: widget.child, ), ); } void setProfile(EquipmentProfileData data) { setState(() { _selectedProfile = data; }); } /// Creates a default equipment profile void addProfile(String name) { _profiles.add(EquipmentProfileData( id: const Uuid().v1(), name: name, apertureValues: apertureValues, ndValues: ndValues, shutterSpeedValues: shutterSpeedValues, isoValues: isoValues, )); setState(() {}); } void updateProdile(EquipmentProfileData data) { final indexToUpdate = _profiles.indexWhere((element) => element.id == data.id); if (indexToUpdate >= 0) { _profiles[indexToUpdate] = data; setState(() {}); } } void deleteProfile(EquipmentProfileData data) { _profiles.remove(data); setState(() {}); } } class EquipmentProfiles extends InheritedWidget { final List profiles; const EquipmentProfiles({ required this.profiles, required super.child, super.key, }); static List? of(BuildContext context, {bool listen = true}) { if (listen) { return context.dependOnInheritedWidgetOfExactType()?.profiles; } else { return context.findAncestorWidgetOfExactType()?.profiles; } } @override bool updateShouldNotify(EquipmentProfiles oldWidget) => true; } class EquipmentProfile extends InheritedWidget { final EquipmentProfileData? data; const EquipmentProfile({ required this.data, required super.child, super.key, }); static EquipmentProfileData? of(BuildContext context, {bool listen = true}) { if (listen) { return context.dependOnInheritedWidgetOfExactType()?.data; } else { return context.findAncestorWidgetOfExactType()?.data; } } @override bool updateShouldNotify(EquipmentProfile oldWidget) => true; }