private void ListPhrases(PhraseCategoryViewModel category) { if (category != null) { if (!_phraseCache.ContainsKey(category)) { var model = new ObservableCollection<PhraseViewModel>(Service.GetPhrases(category.CategoryID).ConvertAll<PhraseViewModel>((p) => new PhraseViewModel(p))); _phraseCache[category] = model; } lvwPhrases.ItemsSource = _phraseCache[category]; } else { lvwPhrases.ItemsSource = null; } }
private void DeleteCategory(PhraseCategoryViewModel category) { if (category.Fixed) { ErrorMessage.Show("The phrase category '{0}' is required by the system, and cannot be deleted.", category.Category); return; } if (this.Question(String.Format("Are you sure you want to delete the phrase category \"{0}\"?", category.Category), "Delete category?")) { RegisterPendingChange(new DeletePhraseCategoryCommand(category.Model)); category.IsDeleted = true; } }