public void ShowEditClient(IFormFactory formFactory,
IClientRepository clientRepository,
ITrainingGroupRepository trainingGroupRepository,
string oib,
IMainController mainController)
{
IEditClientForm form = formFactory.CreateEditClientForm();
Client client = clientRepository.GetClientWithOib(oib);
List <TrainingGroup> trainingGroups = trainingGroupRepository.GetAllTrainingGroups();
form.ShowModal(mainController, client, trainingGroups);
}