private void Edit_Function(object sender, RoutedEventArgs e)
{
DlgAddFunction dlg = new DlgAddFunction();
EvaluatedFunction evaluatedFunction = FunctionGrid.SelectedItem as EvaluatedFunction;
int indexOfFunction = evaluatedFunctionsList.IndexOf(evaluatedFunction);
dlg.functionExpression.Text = evaluatedFunction.Function;
dlg.xFirst.Value = evaluatedFunction.xDomain.X;
dlg.xLast.Value = evaluatedFunction.xDomain.Y;
dlg.yFirst.Value = evaluatedFunction.yDomain.X;
dlg.yLast.Value = evaluatedFunction.yDomain.Y;
if (dlg.ShowDialog() == true)
{
evaluatedFunction.setxDomain((double)dlg.xFirst.Value, (double)dlg.xLast.Value);
evaluatedFunction.setyDomain((double)dlg.yFirst.Value, (double)dlg.yLast.Value);
evaluatedFunctionsList[indexOfFunction] = evaluatedFunction;
FunctionGrid.Items.Refresh();
}
}
private void AddFunction(object sender, RoutedEventArgs e)
{
EvaluatedFunction evaluatedFunction;
DlgAddFunction dlg = new DlgAddFunction();
if (dlg.ShowDialog() == true)
{
string functionExpression = dlg.functionExpression.Text;
double xFirstValue = (double)dlg.xFirst.Value;
double xLastValue = (double)dlg.xLast.Value;
double yFirstValue = (double)dlg.yFirst.Value;
double yLastValue = (double)dlg.yLast.Value;
evaluatedFunction = new EvaluatedFunction(functionExpression, xFirstValue, xLastValue, yFirstValue, yLastValue);
evaluatedFunctionsList.Add(evaluatedFunction);
FunctionGrid.Items.Refresh();
if (FunctionGrid.Columns.Count == 4)
{
FunctionGrid.Columns[3].Visibility = Visibility.Hidden;
}
}
}