public static string ToStringRepresentation(this DigitButtonType buttonType)
{
switch (buttonType)
{
case DigitButtonType.NUMBER_0:
return("0");
case DigitButtonType.NUMBER_1:
return("1");
case DigitButtonType.NUMBER_2:
return("2");
case DigitButtonType.NUMBER_3:
return("3");
case DigitButtonType.NUMBER_4:
return("4");
case DigitButtonType.NUMBER_5:
return("5");
case DigitButtonType.NUMBER_6:
return("6");
case DigitButtonType.NUMBER_7:
return("7");
case DigitButtonType.NUMBER_8:
return("8");
case DigitButtonType.NUMBER_9:
return("9");
case DigitButtonType.LETTER_A:
return("A");
case DigitButtonType.LETTER_B:
return("B");
case DigitButtonType.LETTER_C:
return("C");
case DigitButtonType.LETTER_D:
return("D");
case DigitButtonType.LETTER_E:
return("E");
case DigitButtonType.LETTER_F:
return("F");
default:
throw new CalculatorException("Unknown button type: " + buttonType);
}
}
//deals with button inputs and sorts out the display accordingly
public void DigitButtonPress(DigitButtonType buttonType)
{
calculatorManager.AppendDigit(buttonType.ToStringRepresentation());
Display = calculatorManager.Display;
}
private bool CanDigitButtonPress(DigitButtonType buttonType)
{
return(calculatorManager.IsValidDigit(buttonType.ToStringRepresentation()));
}
