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); }