public MainWindowViewModel(ItemRepository itemRepository, IUserInteraction userInteraction)
{
_itemRepository = itemRepository;
_userInteraction = userInteraction;
Title = "This is a title";
LoadItemsCommand = new RelayCommand(_ =>
{
var items = _itemRepository.GetItems(); // this returns the models! // we have to wrap them by a viewmodel
var itemViewModels = items.Select(item => new ItemViewModel(item)); // no we wrapped them in a viewmodel
Items.Clear();
foreach (var itemViewModel in itemViewModels)
{
Items.Add(itemViewModel);
}
});
ClearItemsCommand = new RelayCommand(_ =>
{
const string title = "Items will be deleted";
const string prompt = "Are you shure that you want to delete the item?";
var result = _userInteraction.DisplayAlert(title, prompt);
if (result == UserInteractionResult.OK || result == UserInteractionResult.Yes)
{
Items.Clear();
}
});
}