/// <summary>
/// Returns the cumulative counter position object of a child node with all counter values.
/// </summary>
/// <param name="node">The node.</param>
/// <returns></returns>
public ITreeTableCounter GetCounterPositionOfChild(ITreeTableNode node)
{
ITreeTableCounter pos = GetCounterPosition();
if (Object.ReferenceEquals(node, Right))
{
return(pos.Combine(GetLeftC().GetCounterTotal(), TreeTableCounterCookies.CountAll));
}
else if (Object.ReferenceEquals(node, Left))
{
return(pos);
}
throw new ArgumentException("must be a child node", "node");
}
/// <summary>
/// Returns the total of this node's counter and child nodes (cached).
/// </summary>
public ITreeTableCounter GetCounterTotal()
{
if (Tree.IsInitializing)
{
return(null);
}
else if (_counter == null)
{
ITreeTableCounter left = GetLeftC().GetCounterTotal();
ITreeTableCounter right = GetRightC().GetCounterTotal();
if (left != null && right != null)
{
_counter = left.Combine(right, TreeTableCounterCookies.CountAll);
}
}
return(_counter);
}
