private void button_MouseClick(object sender, EventArgs e)
{
String strLabelValue = ((Label)sender).Text;
Char firstCharLabelValue = strLabelValue.ToCharArray()[0];
int labelNumValue = 0;
if (int.TryParse(strLabelValue, out labelNumValue))
{
if (labelNumValue >= 0 && labelNumValue <= 9)
{
calculator.addDisplayNumber(labelNumValue);
}
printDisplays(calculator.getDisplays());
return;
}
if (strLabelValue.Equals("CE"))
{
calculator.removeDisplayNumber();
printDisplays(calculator.getDisplays());
return;
}
switch (firstCharLabelValue)
{
case (char)Calculator.Symbols.REMOVE_LAST:
calculator.removeLastDisplayNumber();
break;
case (char)Calculator.Symbols.REMOVE_DISPLAY:
calculator.removeDisplays();
break;
case (char)Calculator.Symbols.PLUS_MINUS:
calculator.toggleDisplayNumberSymbol();
break;
case (char)Calculator.Symbols.COMMA:
calculator.appendDisplayComma();
break;
case (char)Calculator.Symbols.ADD:
case (char)Calculator.Symbols.SUBSTRACT:
case (char)Calculator.Symbols.MULTIPLY:
case (char)Calculator.Symbols.DIVIDE:
calculator.addOperator(firstCharLabelValue);
break;
case (char)Calculator.Symbols.EQUAL:
calculator.calculateResult();
break;
}
printDisplays(calculator.getDisplays());
}