private void EquationButtonHandler(string expression)
{
if (!ValidateStr(mainDisplay) && !ValidateStr(secondNum))
{
if (expressionQueue == false)
{
secondNum = mainDisplay;
UpdateTextBoxes(firstNum, secondNum, expression);
}
else
{
string temp = expression;
expression = Equations.GetQueueExpression();
secondNum = mainDisplay;
UpdateTextBoxes(firstNum, secondNum, expression);
Equations.SetExpression(temp);
//expressionQueue = false;
}
}
else if (!ValidateStr(mainDisplay) && ValidateStr(secondNum))
{
firstNum = mainDisplay;
txtBox_History.Text = Equations.Builder(firstNum, expression);
if (ValidateStr(secondNum))
{
secondNum = mainDisplay;
}
mainDisplay = "";
Equations.SetExpression(expression);
expressionQueue = true;
}
else if (ValidateStr(mainDisplay))
{
Equations.SetExpression(expression);
expressionQueue = true;
}
//if (numSaved == false)
//{
// if (ValidateStr(firstNum)) firstNum = mainDisplay;
// txtBox_History.Text = Equations.Builder(firstNum, expression);
// numSaved = true;
// mainDisplay = "";
//}
//else
//{
// if (!ValidateStr(mainDisplay))
// {
// secondNum = mainDisplay;
// txtBox_History.Text = Equations.HistoryBuilder(firstNum, secondNum, expression);
// firstNum = txtBox_Equation.Text = Equations.Builder(firstNum, secondNum, expression);
// mainDisplay = "";
// }
//}
}
private void UpdateTextBoxes(string _firstNum, string _secondNum, string _expression)
{
txtBox_History.Text = Equations.HistoryBuilder(_firstNum, _secondNum, _expression);
firstNum = txtBox_Equation.Text = Equations.Builder(_firstNum, _secondNum, _expression);
mainDisplay = "";
}