private void DeleteExp_Execute(object o, ExecutedRoutedEventArgs args)
{
if (tabControl.SelectedItem == mathTab)
{
var item = (MathWorkspaceItemViewModel)this.mathControl.mathExpsListBox.SelectedItem;
mathPresenter.Remove(item);
}
else if (tabControl.SelectedItem == graphsTab)
{
var item = (GraphItemViewModel)this.graphsControl.graphsList.SelectedItem;
graphsPresenter.Remove(item);
}
}
private void graphExpBox_KeyUp(object o, KeyEventArgs args)
{
if (args.Key == Key.Enter && !string.IsNullOrWhiteSpace(graphExpressionBox.Text))
{
try
{
presenter.Add(graphExpressionBox.Text);
Status = string.Empty;
}
catch (TokenizeException mle)
{
Status = mle.Message;
}
catch (ParseException mpe)
{
Status = mpe.Message;
}
catch (DivideByZeroException dbze)
{
Status = dbze.Message;
}
catch (ArgumentNullException ane)
{
Status = ane.Message;
}
catch (ArgumentException ae)
{
Status = ae.Message;
}
catch (FormatException fe)
{
Status = fe.Message;
}
catch (OverflowException oe)
{
Status = oe.Message;
}
catch (KeyNotFoundException)
{
presenter.Remove(presenter.CountOfGraphs - 1);
Status = Resource.VariableNotFoundExceptionError;
}
catch (IndexOutOfRangeException)
{
Status = Resource.IndexOutOfRangeExceptionError;
}
catch (InvalidOperationException ioe)
{
Status = ioe.Message;
}
catch (NotSupportedException)
{
presenter.Remove(presenter.CountOfGraphs - 1);
Status = Resource.NotSupportedOperationError;
}
graphExpressionBox.Text = string.Empty;
}
}