private void SelectWhenLoaded(string id)
{
//put the code onto the main thread so it happens after binding
_autoSelector.Disposable = _transformedCache.Watch(id)
.ObserveOn(_schedulerProvider.MainThread)
.Subscribe(change => SelectedItem = change.Current);
}
public static IObservable <bool> WatchBoolean <TValue, TKey>(this IObservableCache <TValue, TKey> cache, TKey key, Func <TValue, bool> func)
{
return(cache.Watch(key).Scan(false, (state, change) =>
{
switch (change.Reason)
{
case ChangeReason.Remove:
return false;
default:
return func(change.Current);
}
}));
}
public IObservable <Change <TObject, TKey> > Watch(TKey key)
{
return(_cache.Watch(key));
}