private void calcAndPushResult(string op = "")
{
// 1
if (calcElement.number2 == null)
{
calcElement.number2 = createNumberFromDigits(inputNumbers);
inputNumbers = new List <int>();
}
calcElements.Add(calcElement);
// calc
int returVal = 0;
foreach (CalcElement tmpCalcElement in calcElements)
{
returVal = tmpCalcElement.chooseCalcMethod();
}
calcElements = new List <CalcElement>();
// 2
calcElement = new CalcElement();
calcElement.number1 = returVal;
if (!String.IsNullOrEmpty(op))
{
calcElement.op = op;
}
}
private void ButtonPlus_Click(object sender, RoutedEventArgs e)
{
calcElement.op = "+";
if (calcElement.number1 == null)
{
calcElement.number1 = createNumberFromDigits(inputNumbers);
inputNumbers = new List <int>();
}
else if (calcElement.number2 == null)
{
calcAndPushResult("+");
}
else
{
calcElements.Add(calcElement);
calcElement = new CalcElement();
}
}