public static bool IsNodeOrGroupedParentNegated(this IFieldQueryNode node)
{
if (!String.IsNullOrEmpty(node.Prefix))
{
return(node.IsNodeNegated());
}
IQueryNode current = node;
do
{
var groupNode = current as GroupNode;
if (groupNode != null && !groupNode.HasParens)
{
current = current.Parent;
continue;
}
var fieldQueryNode = current as IFieldQueryNode;
if (fieldQueryNode != null &&
((fieldQueryNode.IsNegated.HasValue && fieldQueryNode.IsNegated.Value == true) ||
(!String.IsNullOrEmpty(fieldQueryNode.Prefix) && fieldQueryNode.Prefix == "-")))
{
return(true);
}
current = current.Parent;
} while (current.Parent != null);
return(false);
}
