public ICollection <TItem> Hide(IEnumerable <TItem> elements)
{
var worker = new WalkerWorker1 <TItem, TEdge> (this.Sink);
foreach (var item in elements)
{
worker.Remove(item);
foreach (var edge in this.Sink.Twig(item))
{
worker.Remove(edge);
}
}
RevoveEdgesOfChanged(worker);
CommitRemove(worker);
//List<TItem> changes = new List<TItem>(WalkerWorker.Changes);
//WalkerWorker.Changes.Clear();
//WalkerWorker.RemoveOrphans(this.View);
//CommitRemove(WalkerWorker);
//changes.AddRange(WalkerWorker.Changes);
//WalkerWorker.Changes.Clear();
return(worker.Affected);
}
protected virtual void RevoveEdgesOfChanged(WalkerWorker1 <TItem, TEdge> worker)
{
foreach (var edge in worker.Affected.OfType <TEdge>().ToArray())
{
if (worker.Changed(edge.Root) || worker.Changed(edge.Leaf))
{
worker.Remove(edge);
}
}
}
public virtual ICollection <TItem> CollapseToFocused(IEnumerable <TItem> elements)
{
var worker = new WalkerWorker1 <TItem, TEdge> (this.Sink);
NeverRemove(worker, elements);
foreach (TItem item in Sink)
{
worker.RemoveCollapsed(item, Sink);
worker.Remove(item);
}
CommitRemove(worker);
return(worker.Affected);
}
