public void ShowEditTraining(IFormFactory formFactory,
ITrainingRepository trainingRepository,
IExerciseRepository exerciseRepository,
string trainingName,
IMainController mainController)
{
IEditTrainingForm form = formFactory.CreateEditTrainingForm();
Training training = trainingRepository.GetTrainingWithName(trainingName);
List <Exercise> exercises = exerciseRepository.GetAllExercises();
form.ShowModal(mainController, training, exercises);
}