Example #1
0
        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);
            }
        }
Example #2
0
        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;
            }
        }