private void DisplayNumber(int num)
{
RemoveError();
if (isCarreting)
{
power += num.ToString();
}
if (isOnFirstNum)
{
BottomTextBox.AppendText(num.ToString());
firstNum = BottomTextBox.Text;
Console.WriteLine(1);
}
else
{
BottomTextBox.AppendText(num.ToString());
if (!isCarreting)
{
secondNum = BottomTextBox.Text;
}
}
OneButton.IsTabStop = false;
TwoButton.IsTabStop = false;
ThreeButton.IsTabStop = false;
FourButton.IsTabStop = false;
FiveButton.IsTabStop = false;
SixButton.IsTabStop = false;
SevenButton.IsTabStop = false;
EightButton.IsTabStop = false;
NineButton.IsTabStop = false;
ZeroButton.IsTabStop = false;
}
private void DisplayNumber(object sender, RoutedEventArgs routedEventArgs)
{
RemoveError();
var tag = ((Button)sender).Tag;
if (isCarreting)
{
power += tag.ToString();
}
if (isOnFirstNum)
{
BottomTextBox.AppendText(tag.ToString());
firstNum = BottomTextBox.Text;
}
else
{
BottomTextBox.AppendText(tag.ToString());
if (!isCarreting)
{
secondNum = BottomTextBox.Text;
}
}
OneButton.IsTabStop = false;
TwoButton.IsTabStop = false;
ThreeButton.IsTabStop = false;
FourButton.IsTabStop = false;
FiveButton.IsTabStop = false;
SixButton.IsTabStop = false;
SevenButton.IsTabStop = false;
EightButton.IsTabStop = false;
NineButton.IsTabStop = false;
ZeroButton.IsTabStop = false;
}
private void Divide(object sender, RoutedEventArgs routedEventArgs)
{
RemoveError();
if (BottomTextBox.Text.Equals(""))
{
return;
}
if (firstNum.Equals("-"))
{
firstNum = "0";
}
if (counter < 1)
{
ClearOperators();
isDividing = true;
isOnFirstNum = false;
TopTextBox.Text = firstNum;
BottomTextBox.Clear();
TopTextBox.AppendText(" / ");
}
else
{
isOnFirstNum = false;
Equals(sender, routedEventArgs);
isDividing = true;
isOnFirstNum = false;
TopTextBox.Text = firstNum;
BottomTextBox.Clear();
TopTextBox.AppendText(" / ");
}
counter++;
DivideButton.IsTabStop = false;
}
private void Caret(object sender, RoutedEventArgs routedEventArgs)
{
RemoveError();
if (!isCarreting)
{
if (isOnFirstNum)
{
if (firstNum.Equals("") || firstNum.Contains("^"))
{
return;
}
BottomTextBox.AppendText("^");
isCarreting = true;
}
else
{
if (secondNum.Equals("") || secondNum.Contains("^"))
{
return;
}
BottomTextBox.AppendText("^");
isCarreting = true;
}
}
CaretButton.IsTabStop = false;
}
private void RemoveError()
{
if (BottomTextBox.Text.Equals("Error", StringComparison.CurrentCultureIgnoreCase))
{
BottomTextBox.Clear();
TopTextBox.Clear();
firstNum = "";
secondNum = "";
}
}
private void ClearDisplay(object sender, RoutedEventArgs routedEventArgs)
{
TopTextBox.Clear();
BottomTextBox.Clear();
firstNum = "";
secondNum = "";
power = "";
isOnFirstNum = true;
isAdding = false;
isSubtracting = false;
isMultiplying = false;
isDividing = false;
isCarreting = false;
counter = 0;
}
private void Decimal(object sender, RoutedEventArgs routedEventArgs)
{
RemoveError();
if (isOnFirstNum)
{
if (firstNum.Contains("."))
{
return;
}
if (!firstNum.Equals(""))
{
if (!firstNum.Equals("0."))
{
firstNum += ".";
BottomTextBox.AppendText(".");
}
}
else
{
firstNum = "0.";
BottomTextBox.Text = "0.";
}
}
else
{
if (secondNum.Contains("."))
{
return;
}
if (!secondNum.Equals(""))
{
if (!secondNum.Equals("0."))
{
secondNum += ".";
BottomTextBox.AppendText(".");
}
}
else
{
secondNum = "0.";
BottomTextBox.Text = "0.";
}
}
DecimalButton.IsTabStop = false;
}
private void SwitchSigns(object sender, RoutedEventArgs routedEventArgs)
{
RemoveError();
if (!isCarreting)
{
if (isOnFirstNum)
{
if (!firstNum.Equals(""))
{
if (firstNum.Substring(0, 1).Equals("-"))
{
if (firstNum.Equals("-"))
{
firstNum = "";
BottomTextBox.Text = firstNum;
}
else
{
firstNum = (Double.Parse(firstNum) * -1).ToString();
BottomTextBox.Text = firstNum;
}
}
else
{
firstNum = (Double.Parse(firstNum) * -1).ToString();
BottomTextBox.Text = firstNum;
}
}
else
{
firstNum = "-";
BottomTextBox.Text = firstNum;
}
}
else
{
if (!secondNum.Equals(""))
{
if (secondNum.Substring(0, 1).Equals("-"))
{
if (secondNum.Equals("-"))
{
secondNum = "";
BottomTextBox.Text = secondNum;
}
else
{
secondNum = (-Double.Parse(secondNum)).ToString();
BottomTextBox.Text = secondNum;
}
}
else
{
secondNum = (Double.Parse(secondNum) * -1).ToString();
BottomTextBox.Text = secondNum;
}
}
else
{
secondNum = "-";
BottomTextBox.Text = secondNum;
}
}
}
else
{
if (power.Equals(""))
{
power = "-";
BottomTextBox.AppendText(power);
}
else if (power.Equals("-"))
{
string currentString = BottomTextBox.Text.Substring(0, BottomTextBox.Text.Length - 1);
power = "";
BottomTextBox.Text = currentString;
}
else if (power.Contains("-"))
{
string currentString = BottomTextBox.Text.Substring(0, BottomTextBox.Text.Length - power.Length);
power = (-Double.Parse(power)).ToString();
BottomTextBox.Text = currentString + power;
}
else
{
string currentString = BottomTextBox.Text.Substring(0, BottomTextBox.Text.Length - power.Length);
power = (-Double.Parse(power)).ToString();
BottomTextBox.Text = currentString + power;
}
}
SwitchSignButton.IsTabStop = false;
}
