/// <summary>
/// Creates an <see cref="AsyncObservableCollectionView{T}"/> and binds the repository changes to the collection
/// </summary>
public static async Task <AsyncObservableCollectionView <T> > ToAsyncObservableCollectionView <T, TKey>(this ICRUDRepository <T, TKey> repo, FilterHandler <T> filter)
where T : IUniqueObject <TKey>
{
var items = await repo.GetItems();
var collection = AsyncObservableCollectionView <T> .Create(filter, items);
collection.BindToRepositoryChanges(repo);
return(collection);
}
/// <inheritdoc />
protected override async Task OnInitialization()
{
await base.OnInitialization();
ExecuteOnUIContext(() =>
{
SearchResults = AsyncObservableCollectionView <SearchItem> .Create((a, b) => true);
SearchResults.CollectionView.SortDescriptions.Add(new SortDescription(nameof(SearchItem.Title), ListSortDirection.Ascending));
});
AttachNavigationHandler(_applicationSearchService.GetIndexedItems());
_applicationSearchService.ItemsIndexed += (sender, args) => AttachNavigationHandler(args);
}
/// <summary>
/// Creates an <see cref="AsyncObservableCollectionView{T}"/> from a collection.
/// </summary>
public static async Task <AsyncObservableCollectionView <T> > ToAsyncObservableCollectionView <T>(this Task <IEnumerable <T> > collection, FilterHandler <T> filterPredicate)
{
return(AsyncObservableCollectionView <T> .Create(filterPredicate, await collection));
}
/// <summary>
/// Creates an <see cref="AsyncObservableCollectionView{T}"/> from a collection.
/// </summary>
public static AsyncObservableCollectionView <T> ToAsyncObservableCollectionView <T>(this IEnumerable <T> collection, FilterHandler <T> filterPredicate)
{
return(AsyncObservableCollectionView <T> .Create(filterPredicate, collection));
}