//deals with button inputs and sorts out the display accordingly
public void SingleOperationButtonPress(OperationButtonType buttonType)
{
try
{
var operationType = buttonType.GetOperationType();
calculatorManager.ExecuteSingularOperation(operationType);
Display = calculatorManager.Display;
}
catch (CalculatorException exception)
{
MessageBox.Show(exception.Message, "Calculator", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
public static OperationType GetOperationType(this OperationButtonType buttonType)
{
switch (buttonType)
{
case OperationButtonType.SUM:
return(OperationType.SUM);
case OperationButtonType.SUBTRACTION:
return(OperationType.SUBTRACTION);
case OperationButtonType.MULTIPLICATION:
return(OperationType.MULTIPLICATION);
case OperationButtonType.DIVISION:
return(OperationType.DIVISION);
case OperationButtonType.EQUAL:
return(OperationType.EQUAL);
case OperationButtonType.FACTORIAL:
return(OperationType.FACTORIAL);
case OperationButtonType.INVERSE:
return(OperationType.INVERSE);
case OperationButtonType.POSITION:
return(OperationType.POSITION);
case OperationButtonType.CHANGE_SIGN:
return(OperationType.CHANGE_SIGN);
case OperationButtonType.RADICAL:
return(OperationType.RADICAL);
case OperationButtonType.EXPONENTIATION:
return(OperationType.EXPONENTIATION);
default:
return(OperationType.NONE);
}
}
private bool CanSingleOperationButtonPress(OperationButtonType buttonType)
{
var operationType = buttonType.GetOperationType();
return(calculatorManager.CanOperationBeExecuted(operationType));
}
