public ObservableOrderBy(INotifyEnumerable <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.searchTree = new SortedDictionary <TKey, ObservableCollection <TItem> >(comparer);
this.manualRaiseSequences = new ManualObservableCollectionView <IEnumerable <TItem> >(searchTree.Values);
Attach();
}
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 KeyGroup()
{
collectionView = new ManualObservableCollectionView <TInner>(InnerKeys.Select(key => key.Tag));
}