private void HandleOperatorPressed(object sender, OperatorPressedEventArgs e)
{
entry = Entry.Integer;
decimalCount = 1;
switch (e.Operator)
{
case Operator.Add:
if (parenClosed)
{
this.view.Display = parenStack[0].Result.ToString("0.####");
AddOperation parenAdd = new AddOperation();
parenAdd.LeftOperand = parenStack[0];
current = parenAdd;
mode = Mode.Replace;
parenClosed = false;
break;
}
AddOperation add = new AddOperation();
add.LeftOperand = storedOperation;
current = add;
mode = Mode.Replace;
break;
case Operator.Subtract:
if (parenClosed)
{
this.view.Display = parenStack[0].Result.ToString("0.####");
SubtractOperation parenSubtract = new SubtractOperation();
parenSubtract.LeftOperand = parenStack[0];
current = parenSubtract;
mode = Mode.Replace;
parenClosed = false;
break;
}
SubtractOperation subtract = new SubtractOperation();
subtract.LeftOperand = storedOperation;
current = subtract;
mode = Mode.Replace;
break;
case Operator.Multiply:
if (parenClosed)
{
MultiplyOperation parenMultiply = new MultiplyOperation();
parenMultiply.LeftOperand = parenStack[0];
current = parenMultiply;
mode = Mode.Replace;
parenClosed = false;
break;
}
MultiplyOperation multiply = new MultiplyOperation();
multiply.LeftOperand = storedOperation;
current = multiply;
mode = Mode.Replace;
break;
case Operator.Divide:
if (parenClosed)
{
DivideOperation parenDivide = new DivideOperation();
parenDivide.LeftOperand = parenStack[0];
current = parenDivide;
mode = Mode.Replace;
parenClosed = false;
break;
}
DivideOperation divide = new DivideOperation();
divide.LeftOperand = storedOperation;
current = divide;
mode = Mode.Replace;
break;
}
}
private void HandleOperatorPressed(object sender, OperatorPressedEventArgs e)
{
HasSomethingBeenPressed = true;
entry = Entry.Integer;
decimalCount = 1;
switch (e.Operator)
{
case Operator.Add: //convert to switches....
if (parenFlag) //if inside parentheses, do paren math
{
UpdateCurrentOperands(new AddOperation(), current, null);
}
else if (equalFlag) //do math correctly in weird situations ( ...x = + 3 should give x+3)
{
UpdateCurrentOperands(new AddOperation(), current.Result, null);
equalFlag = false;
}
else if (current.LeftOperand != null && current.RightOperand == null)
{
UpdateCurrentOperands(current, current.LeftOperand, storedOperation);
UpdateCurrentOperands(new AddOperation(), current.Result, null);
}
else if (current.LeftOperand == null && current.RightOperand == null) //first entry (or entry after clear)
{
UpdateCurrentOperands(new AddOperation(), storedOperation, null);
}
break;
case Operator.Subtract:
if (parenFlag)
{
UpdateCurrentOperands(new SubtractOperation(), current, null);
}
else if (equalFlag)
{
UpdateCurrentOperands(new SubtractOperation(), current.Result, null);
equalFlag = false;
}
else if (current.LeftOperand != null && current.RightOperand == null)
{
UpdateCurrentOperands(current, current.LeftOperand, storedOperation);
UpdateCurrentOperands(new SubtractOperation(), current.Result, null);
}
else if (current.LeftOperand == null && current.RightOperand == null)
{
UpdateCurrentOperands(new SubtractOperation(), storedOperation, null);
}
break;
case Operator.Multiply:
if (parenFlag)
{
UpdateCurrentOperands(new MultiplyOperation(), current, null);
}
else if (equalFlag)
{
UpdateCurrentOperands(new MultiplyOperation(), current.Result, null);
equalFlag = false;
}
else if (current.LeftOperand != null && current.RightOperand == null)
{
UpdateCurrentOperands(current, current.LeftOperand, storedOperation);
UpdateCurrentOperands(new MultiplyOperation(), current.Result, null);
}
else if (current.LeftOperand == null && current.RightOperand == null)
{
UpdateCurrentOperands(new MultiplyOperation(), storedOperation, null);
}
break;
case Operator.Divide:
if (parenFlag)
{
UpdateCurrentOperands(new DivideOperation(), current, null);
}
else if (equalFlag)
{
UpdateCurrentOperands(new DivideOperation(), current.Result, null);
equalFlag = false;
}
else if (current.LeftOperand != null && current.RightOperand == null)
{
UpdateCurrentOperands(current, current.LeftOperand, storedOperation);
UpdateCurrentOperands(new DivideOperation(), current.Result, null);
}
else if (current.LeftOperand == null && current.RightOperand == null)
{
UpdateCurrentOperands(new DivideOperation(), storedOperation, null);
}
break;
}
}