private void Ok_Click(object sender, RoutedEventArgs e)
{
var op = (string)((ComboBoxItem)Operator.SelectedItem).Content;
var d1 = new Helper.Expression.DataExpression();
d1.ColumnName = (Tuple <string, string>)((ComboBoxItem)Parameter1.SelectedItem).Tag;
var d2 = new Helper.Expression.DataExpression();
d2.ColumnName = (Tuple <string, string>)((ComboBoxItem)Parameter2.SelectedItem).Tag;
Helper.Expression.Expression exp = null;
switch (op)
{
case "+":
exp = new Helper.Expression.AddExpression(d1, d2);
break;
case "*":
exp = new Helper.Expression.MultipleExpression(d1, d2);
break;
case "/":
exp = new Helper.Expression.DivideExpression(d1, d2);
break;
case "-":
exp = new Helper.Expression.SubstractExpression(d1, d2);
break;
default:
break;
}
Column.SetExpression(exp);
}
public void SetExpression(Helper.Expression.Expression E)
{
Exp = E;
LblName.Content = E.getFunctionAsString();
}
public override void setValue(Tuple <string, string> t)
{
DataBaseData = t;
LblName.Content = t.Item2;
Exp = null;
}
