/// <summary>
/// Refreshes the view model.
/// </summary>
/// <returns>A task tracking the operation.</returns>
public override Task Refresh()
{
subscription?.Dispose();
var dispose = new CompositeDisposable();
var itemSource = CreateItemSource();
var items = new VirtualizingList <IIssueListItemViewModelBase>(itemSource, null);
var view = new VirtualizingListCollectionView <IIssueListItemViewModelBase>(items);
view.Filter = FilterItem;
Items = items;
ItemsView = view;
dispose.Add(itemSource);
dispose.Add(
Observable.CombineLatest(
itemSource.WhenAnyValue(x => x.IsLoading),
view.WhenAnyValue(x => x.Count),
this.WhenAnyValue(x => x.SearchQuery),
this.WhenAnyValue(x => x.SelectedState),
this.WhenAnyValue(x => x.AuthorFilter.Selected),
(loading, count, _, __, ___) => Tuple.Create(loading, count))
.Subscribe(x => UpdateState(x.Item1, x.Item2)));
subscription = dispose;
return(Task.CompletedTask);
}
/// <summary>
/// Refreshes the view model.
/// </summary>
/// <returns>A task tracking the operation.</returns>
public override Task Refresh()
{
if (RemoteRepository == null)
{
// If an exception occurred reading the parent repository, do nothing.
return(Task.CompletedTask);
}
subscription?.Dispose();
var dispose = new CompositeDisposable();
var itemSource = CreateItemSource();
var items = new VirtualizingList <IIssueListItemViewModelBase>(itemSource, null);
var view = new VirtualizingListCollectionView <IIssueListItemViewModelBase>(items);
view.Filter = FilterItem;
Items = items;
ItemsView = view;
Error = null;
dispose.Add(itemSource);
dispose.Add(
Observable.CombineLatest(
itemSource.WhenAnyValue(x => x.IsLoading),
view.WhenAnyValue(x => x.Count),
this.WhenAnyValue(x => x.SearchQuery),
this.WhenAnyValue(x => x.SelectedState),
this.WhenAnyValue(x => x.AuthorFilter.Selected),
(loading, count, _, __, ___) => Tuple.Create(loading, count))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(x => UpdateState(x.Item1, x.Item2)));
dispose.Add(
Observable.FromEventPattern <ErrorEventArgs>(
x => items.InitializationError += x,
x => items.InitializationError -= x)
.Subscribe(x => Error = x.EventArgs.GetException()));
subscription = dispose;
return(Task.CompletedTask);
}
