private void UpdateEditorState()
        {
            UpdateDocumentState();

            if (CurrentEditorView != null)
            {
                CurrentEditorView.Focus();
            }
        }
        private async void ToolsGenerateParserTestMenuItem_OnClick(object sender, RoutedEventArgs e)
        {
            var documentView = CurrentEditorView?.GetDocumentView();

            if (documentView == null)
            {
                return;
            }

            var test = await documentView.GenerateParserTest();

            Clipboard.SetText(test);
        }