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;
}
}
