private IEnumerable <UiNode> EnumerateNodes(UiNodePath path, int level)
{
UiNodePathElement element = path[level];
if (element == null)
{
yield break;
}
foreach (UiNode node in GetChilds().Where(node => element.IsMatch(node)))
{
if (path.IsLast(level))
{
yield return(node);
}
else
{
UiContainerNode container = node as UiContainerNode;
if (container == null)
{
continue;
}
foreach (UiNode child in container.EnumerateNodes(path, level + 1))
{
yield return(child);
}
}
}
}
public void Add(UiNodePathElement element)
{
_elements.Add(element);
}