public IOrderableNotifyEnumerable <T> AsNotifiable()
{
if (notifyEnumerable == null)
{
notifyEnumerable = Source.AsNotifiable().ThenBy(Predicate, Comparer);
}
return(notifyEnumerable);
}
public ObservableThenBy(IOrderableNotifyEnumerable <TItem> source, ObservingFunc <TItem, TKey> keySelector, IComparer <TKey> comparer)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (keySelector == null)
{
throw new ArgumentNullException("keySelector");
}
this.source = source;
this.keySelector = keySelector;
this.comparer = comparer;
}
public ObservableThenBy(IOrderableNotifyEnumerable <TItem> source, ObservingFunc <TItem, TKey> keySelector, IComparer <TKey> comparer)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (keySelector == null)
{
throw new ArgumentNullException("keySelector");
}
this.source = source;
this.keySelector = keySelector;
this.comparer = comparer;
manualNotifier = new ManualObservableCollectionView <IEnumerable <TItem> >(SL.SelectMany(source.Sequences,
sequence => searchTrees[sequence].Values));
Attach();
}
public static IOrderableNotifyEnumerable <TItem> ThenByDescendingWithComparer <TItem, TKey>(IOrderableNotifyEnumerable <TItem> source, ObservingFunc <TItem, TKey> keySelector, IComparer <TKey> comparer)
{
return(new ObservableThenBy <TItem, TKey>(source, keySelector, new ReverseComparer <TKey>(comparer)));
}
public static IOrderableNotifyEnumerable <TItem> ThenByDescending <TItem, TKey>(IOrderableNotifyEnumerable <TItem> source, ObservingFunc <TItem, TKey> keySelector)
{
return(ThenByDescendingWithComparer(source, keySelector, null));
}
