private void UpdateLevels()
{
if (SelectedDifficultyLevelScale != null)
{
DifficultyLevels.Clear();
foreach (DifficultyLevel difficultyLevel in _difficultyLevelService.GetAllIn(SelectedDifficultyLevelScale))
{
DifficultyLevels.Add(difficultyLevel);
}
}
}
/// <summary>
/// LÄdt die VM relevanten Daten zu einer Schwierigkeitsgradskale
/// </summary>
/// <param name="difficultyLevelScale"></param>
public void LoadData(DifficultyLevelScale difficultyLevelScale)
{
if (difficultyLevelScale == null)
{
throw new ArgumentNullException(nameof(difficultyLevelScale));
}
_difficultyLevelScale = difficultyLevelScale;
DifficultyLevels.Clear();
foreach (DifficultyLevel difficultyLevel in _difficultyLevelService.GetAllIn(_difficultyLevelScale))
{
IItemWithNameAndScoreViewModel itemViewModel = new ItemWithNameAndScoreViewModel();
itemViewModel.LoadData(difficultyLevel);
DifficultyLevels.Add(itemViewModel);
}
CommandManager.InvalidateRequerySuggested();
}