private void Evaluate()
{
IEnumerable <string> variablesList = Variables.Split(',').Where(s => !String.IsNullOrEmpty(s));
if (variablesList.Count() == 0)
{
MessageBox.Show("No variable names given.\n\nType all desired variable names (seperated by commas) into the variables textbox.", "Error");
return;
}
Steps1.Clear();
Steps2.Clear();
OnPropertyChanged(nameof(Steps1));
OnPropertyChanged(nameof(Steps2));
if (!String.IsNullOrWhiteSpace(InputText))
{
Steps1 = EvaluateExpression(variablesList, InputText);
OnPropertyChanged(nameof(Steps1));
}
if (!String.IsNullOrWhiteSpace(InputText2))
{
Steps2 = EvaluateExpression(variablesList, InputText2);
OnPropertyChanged(nameof(Steps2));
}
checkEquivalence();
}
private void checkEquivalence()
{
if (Steps1 != null && Steps1.Count > 0 && Steps2 != null && Steps2.Count > 0)
{
if (Steps1.Last().Expression == Steps2.Last().Expression)
{
ResultText = "Equivalent!";
ResultColor = Brushes.LightGreen;
}
else
{
ResultText = "Not equivalent";
ResultColor = Brushes.LightCoral;
}
}
}
