private void BtnOperators_On_Click(object sender, RoutedEventArgs e)
{
Button button = e.Source as Button;
if (button != null && (OperatorAllowed || (OnlyEqualSignAllowed && button.Content.ToString() == "=")))
{
//Checking to see if Calculator has been reseted
string inputText;
if (IsCalcInResetState)
{
CalcInput.Text = "0";
CalcDisplay.Text = "";
}
if (CalcInput.Text.Contains("√"))
{
inputText = BasicHelper.ConvertNumberToRoot(CalcInput.Text).ToString();
}
else if (CalcInput.Text.Contains("!"))
{
inputText = BasicHelper.DetermineFactorial(CalcInput.Text).ToString();
}
else
{
inputText = CalcInput.Text;
}
var inputTextConvertedToDouble = Convert.ToDouble(inputText);
CalcDisplay.Text += inputText + " ";
InputNumbers.Add(inputTextConvertedToDouble);
if (button.Content.ToString() != "=")
{
CalcDisplay.Text += " " + button.Content + " ";
}
if (InputNumbers.Count() > 1)
{
Result = BasicHelper.DetermineOperatorAndCalculate(Operator, Result, inputTextConvertedToDouble);
if (Result == null)
{
if (Operator == "/")
{
CalcInput.Text = $"∞";
}
else
{
CalcInput.Text = "Syntax Error!";
}
}
else
{
CalcInput.Text = $"{Result}";
}
ResultShowingInCalcInput = true;
}
else if (InputNumbers.Count() > 0 && InputNumbers.Count() < 2)
{
Result += InputNumbers[0];
ResultShowingInCalcInput = true;
}
if (button.Content.ToString() != "=")
{
Operator = button.Content.ToString();
IsCalcInResetState = false;
if (Operator == "^" || Operator == "^-")
{
OperatorAllowed = false;
OnlyEqualSignAllowed = false;
}
}
else
{
InputNumbers = new List <double>();
Result = 0;
Operator = "";
ResultShowingInCalcInput = true;
IsCalcInResetState = true;
}
}
}
