public static BehaviorsDisposable <IEnumerable <TCollItem> > AddBehavior <TCollItem>
(
this IEnumerable <TCollItem> collection,
DoForEachItemCollectionBehavior <TCollItem> behavior
)
{
return(collection.AddBehaviorImpl(behavior));
}
private static BehaviorsDisposable <IEnumerable <TCollItem> > AddBehaviorImpl <TCollItem>
(
this IEnumerable <TCollItem> collection,
Action <TCollItem> onAdd,
Action <TCollItem> onRemove = null,
BehaviorsDisposable <IEnumerable <TCollItem> > previousBehavior = null
)
{
DoForEachItemCollectionBehavior <TCollItem> behavior =
new DoForEachItemCollectionBehavior <TCollItem>(onAdd, onRemove);
return(collection?.AddBehaviorImpl <TCollItem>(behavior, previousBehavior));
}
private static BehaviorsDisposable <IEnumerable <TCollItem> > AddBehaviorImpl <TCollItem>
(
this IEnumerable <TCollItem> collection,
DoForEachItemCollectionBehavior <TCollItem> behavior,
BehaviorsDisposable <IEnumerable <TCollItem> > previousBehavior = null
)
{
if (collection == null)
{
return(null);
}
DisposableBehaviorContainer <IEnumerable <TCollItem> > behaviorContainer =
new DisposableBehaviorContainer <IEnumerable <TCollItem> >(behavior, collection);
BehaviorsDisposable <IEnumerable <TCollItem> > behaviorsDisposable =
new BehaviorsDisposable <IEnumerable <TCollItem> >(behaviorContainer, previousBehavior);
return(behaviorsDisposable);
}