public void HandleSubtraction(Calculator calculator, CalculatorOperations calcOps)
{
if (currentOperation == CalculatorOperations.CurrentOperation.Equals || currentOperation == CalculatorOperations.CurrentOperation.SquareRoot || currentOperation == CalculatorOperations.CurrentOperation.Reciprocal && calculator.CurrentSubTotal != 0)
{
currentOperation = CalculatorOperations.CurrentOperation.Subtraction;
calculator.OperationString = calculator.CurrentSubTotal + " - ";
}
else
{
if (calculator.CurrentSubTotal != 0)
{
calculator.CurrentSubTotal = calcOps.Subtraction(calculator.CurrentSubTotal, (double)calculator.CurrentDigit);
calculator.OperationString += calculator.CurrentDigit + " - ";
}
else
{
calculator.CurrentSubTotal = (double)calculator.CurrentDigit;
calculator.OperationString = calculator.CurrentDigit + " - ";
}
calcOps.DigitEntrySet = false;
SetResultsString(calculator, false, calculator.CurrentSubTotal);
ClearCurrentDigit(calculator);
currentOperation = CalculatorOperations.CurrentOperation.Subtraction;
}
}
public void HandleMultiplication(Calculator calculator, CalculatorOperations calcOps)
{
if (currentOperation == CalculatorOperations.CurrentOperation.Equals || currentOperation == CalculatorOperations.CurrentOperation.SquareRoot || currentOperation == CalculatorOperations.CurrentOperation.Reciprocal)
{
currentOperation = CalculatorOperations.CurrentOperation.Multiplication;
calculator.OperationString = calculator.CurrentSubTotal + " * ";
}
else
{
if (calculator.CurrentSubTotal != 0)
{
calculator.CurrentSubTotal = calcOps.Multiplication(calculator.CurrentSubTotal, (double)calculator.CurrentDigit);
calculator.OperationString += calculator.CurrentDigit + " * ";
}
else
{
Console.WriteLine("0");
calculator.CurrentSubTotal = (double)calculator.CurrentDigit;
calculator.OperationString = calculator.CurrentDigit + " * ";
}
calculator.OperationSet = true;
calcOps.DigitEntrySet = false;
ClearCurrentDigit(calculator);
SetResultsString(calculator, false, calculator.CurrentSubTotal);
currentOperation = CalculatorOperations.CurrentOperation.Multiplication;
}
}
public void HandleEquals(Calculator calculator, CalculatorOperations calcOps)
{
PerformOperation(calculator, calcOps);
calculator.OperationString = "";
currentOperation = CalculatorOperations.CurrentOperation.Equals;
calculator.OperationSet = true;
Console.WriteLine("Current sub equals: " + calculator.CurrentSubTotal);
}
public void HandleClear(Calculator calculator, CalculatorOperations calcOps)
{
calculator.ResultsString = "0";
calculator.OperationString = "";
calculator.CurrentDigit = 0;
calculator.CurrentSubTotal = 0;
calcOps.DecimalUsed = false;
currentOperation = CalculatorOperations.CurrentOperation.NoOperation;
}
public void HandleReciprocal(Calculator calculator, CalculatorOperations calcOps)
{
double numberToBeActioned;
if (calcOps.DigitEntrySet)
{
numberToBeActioned = (double)calculator.CurrentDigit;
calculator.CurrentSubTotal = (double)(1 / (calculator.CurrentDigit));
SetResultsString(calculator, false, calculator.CurrentSubTotal);
}
else
{
numberToBeActioned = calculator.CurrentSubTotal;
calculator.CurrentSubTotal = 1 / (calculator.CurrentSubTotal);
SetResultsString(calculator, false, calculator.CurrentSubTotal);
}
calculator.OperationString = "reciproc(" + numberToBeActioned + ")";
calcOps.DigitEntrySet = false;
ClearCurrentDigit(calculator);
SetResultsString(calculator, false, calculator.CurrentSubTotal);
currentOperation = CalculatorOperations.CurrentOperation.Reciprocal;
}
public void HandleSquareRoot(Calculator calculator, CalculatorOperations calcOps)
{
double numberToBeActioned;
if (calcOps.DigitEntrySet)
{
numberToBeActioned = (double)calculator.CurrentDigit;
calculator.CurrentSubTotal = Math.Sqrt((double)calculator.CurrentDigit);
SetResultsString(calculator, false, calculator.CurrentSubTotal);
}
else
{
numberToBeActioned = calculator.CurrentSubTotal;
calculator.CurrentSubTotal = Math.Sqrt(calculator.CurrentSubTotal);
SetResultsString(calculator, false, calculator.CurrentSubTotal);
}
calculator.OperationString = "√(" + numberToBeActioned + ")";
calcOps.DigitEntrySet = false;
ClearCurrentDigit(calculator);
SetResultsString(calculator, false, calculator.CurrentSubTotal);
currentOperation = CalculatorOperations.CurrentOperation.SquareRoot;
}
public void HandleClearLast(Calculator calculator, CalculatorOperations calcOps)
{
calculator.CurrentDigit = 0;
currentOperation = CalculatorOperations.CurrentOperation.NoOperation;
SetResultsString(calculator, true, (double)calculator.CurrentDigit);
}
