public MainWindowViewModel(string repositotyFileName)
        {
            _repositoryFileName  = repositotyFileName;
            _repositoryViewModel = new RepositoryViewModel(_repositoryFileName);
            _repositoryViewModel.FuncSqlViewModelSelected += _repositoryViewModel_RequestSelected;

            base.DisplayName = "Тестирование сервиса jqsbyt";

            Tabs.Add(new SearchViewModel());
            Tabs.Add(new ShemaUchetViewModel());
            Tabs.Add(new ManualRequestViewModel()
            {
                DisplayName = "Ручной запрос"
            });
            SelectedItem = Tabs[0];

            CreateNewManualRequestTabCommand = new DelegateCommand(() =>
            {
                var list = Tabs.Where((t) => (t is ManualRequestViewModel) && (t.DisplayName.StartsWith("Запрос данных"))).ToList();
                ManualRequestViewModel mrvm = new ManualRequestViewModel();
                if (list != null)
                {
                    mrvm.DisplayName += " (" + (list.Count + 1) + ")";
                }
                Tabs.Add(mrvm);
            });
        }
        private void _repositoryViewModel_RequestSelected(object sender, SelectFuncSqlViewModelEventArgs e)
        {
            ManualRequestViewModel mrvm = new ManualRequestViewModel(e.ViewModel);

            mrvm.DisplayName = e.Name;

            // скрытие панели выбора функции сервиса - уже выбрана функция sql
            mrvm.IsServiceFunctionSelectorVisible = false;
            Tabs.Add(mrvm);
            SelectedItem = mrvm;
        }