/// <summary>
/// after a child has been replaced by a new chain spliced in place of it, this method will attempt to append the original child
/// at the end of the chain which was spliced in. If that's not possible, then the original child is ejected
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="originalChild">The child which has been displaced from its parent</param>
/// <param name="newChild">The head of the chainable chain which took the place of the original child</param>
/// <returns></returns>
public static void UpdateOriginalChildAfterSplice <T>(IChainableSeries <T> originalChild, IChainableSeries <T> newChild)
{
if (originalChild != null)
{
originalChild.SetParent(null);
var newTerminator = GetChainTerminator(newChild);
if (newTerminator.GetCanHaveChildren())
{
//May not need to go full recursive here -- at this point, newTerminator has no children and originaChild has no parents
// Could end up being a simple linking method??
newTerminator.SimpleAppendChild(originalChild);
}
else
{
//the new chain has a no-append terminator. Kick out the old chain after to replacing it with the new
originalChild.OnSelfEjected();
}
}
}
