public CalcPageViewModel(INavigationService navigationService,
IPageDialogService dialogService,
IBinaryOperationService binaryOperationService,
FormatService formatService,
DedicationService dedicationService,
ConstantsPurchasingService purchasingService)
: base(navigationService)
{
_dialogService = dialogService;
_binaryOperation = binaryOperationService;
_formatService = formatService;
_dedicationService = dedicationService;
_purchasingService = purchasingService;
//defaults
Title = "Calculator for Life";
Display = "0";
canBackSpace = true;
canChangeSign = true;
mustClearDisplay = false;
DecimalSeparator = CultureInfo.CurrentCulture.NumberFormat.NumberDecimalSeparator;
ConstCommand = new DelegateCommand(ConstCommandExecute);
OptionsCommand = new DelegateCommand(OptionsCommandExecute);
EnterFiguresCommand = new DelegateCommand <string>(EnterFiguresExecute);
BackSpaceCommand = new DelegateCommand(BackSpaceExecute);
EnterOperatorCommand = new DelegateCommand <string>(EnterOperatorExecute);
CalcCommand = new DelegateCommand(CalcExecute);
SignCommand = new DelegateCommand(SignExecute);
MemoryCommand = new DelegateCommand <string>(MemoryExecute);
AddConstantCommand = new DelegateCommand(AddConstExecute);
ClearCommand = new DelegateCommand(ClearExecute);
NaigateToDedicationCommand = new DelegateCommand(NavigateToDedicationExecute);
//подписываемся на событие изменения настроек калькулятора, для того чтобы отформатировать Display
//на основе новых настроек
MessagingCenter.Subscribe <SettingsPageViewModel>(this, AppConstants.SETTINGS_CHANGED_MESSAGE, (settingsVm) => UpdateDisplayText());
}
public DedicationPageViewModel(INavigationService navigationService, DedicationService dedicationService)
: base(navigationService)
{
_dedicationService = dedicationService;
}
