protected override void ProcessUpdate()
{
ValidationManager vm = editor.ValidationManager;
errorNode = node;
// TODO: M: this is getting silly - confusion over parent/node
if (parent != null && (node == null || node.NodeType != XmlNodeType.Text))
{
errorNode = parent;
}
// TODO: M: optimise this - location may not have changed
if (errorNode == null)
{
return;
}
// TODO: H: check the performance of this for very large doc
// think about going around forward rather than looking back
// TODO: H: have seen this throw null pointer
XmlNodeList l = errorNode.SelectNodes("preceding::node()");
int c = l.Count;
XmlNode[] nodes = new XmlNode[c];
foreach (XmlNode n in l)
{
nodes[--c] = n;
}
preceding = FindErrorInList(nodes);
following = FindErrorInList(errorNode.SelectNodes("following::node() | descendant::node()"));
errors = new ValidationError[] {};
while (errorNode != null)
{
errors = vm.GetErrorDetails(errorNode);
if (errors.Length > 0)
{
break;
}
errorNode = errorNode.ParentNode;
}
}