private void Add(object o)
{
int id = GridViewModel.OriginalItemsSource.Max(model => model.Id) + 1;
var newItem = new CollectionItemModel { Id = id, Name = "Added item" };
GridViewModel.ItemsSource.Add(newItem);
GridViewModel.SelectedItem = newItem;
}
private async Task Remove(CollectionItemModel item)
{
if (item == null)
item = GridViewModel.SelectedItem;
if (await _messagePresenter.ShowAsync(string.Format("Delete {0} {1}?", item.Name, item.Id), "Delete", MessageButton.YesNo) == MessageResult.Yes)
{
GridViewModel.ItemsSource.Remove(item);
GridViewModel.SelectedItem = null;
}
}
private bool Filter(CollectionItemModel item)
{
if (string.IsNullOrEmpty(FilterText))
return true;
return item != null &&
(item.Name.SafeContains(FilterText) ||
item.Id.ToString(CultureInfo.InvariantCulture).SafeContains(FilterText));
}
private bool CanRemove(CollectionItemModel item)
{
return item != null || (GridViewModel != null && GridViewModel.SelectedItem != null);
}