internal override void SaveChanges(XmlDocument document, XmlNamespaceManager namespaces)
{
var containerElement = (XmlElement)document.SelectSingleNode("/cpix:CPIX/cpix:" + ContainerName, namespaces);
if (Count == 0 && SignedBy.Count() == 0)
{
// We don't have any contents to put in it AND we don't have any signatures to apply.
// This is the only scenario where we do not need the container element in the document, so remove it
// and consider the save operation completed. All other paths follow the longer logic chain.
if (containerElement != null)
{
containerElement.ParentNode.RemoveChild(containerElement);
}
return;
}
// We need a container element, so create one if it is missing.
if (containerElement == null)
{
var rootElement = document.DocumentElement;
// This namespace must exist, as the root element itself uses it. We will reuse the same prefix.
var prefix = rootElement.GetPrefixOfNamespace(Constants.CpixNamespace);
var element = document.CreateElement(prefix, ContainerName, Constants.CpixNamespace);
containerElement = XmlHelpers.InsertTopLevelCpixXmlElementInCorrectOrder(element, document);
}
// Add any new items and then mark them as loaded items.
foreach (var item in _newItems.ToArray())
{
var element = SerializeEntity(document, namespaces, containerElement, item);
_newItems.Remove(item);
_loadedItemsData.Add(new Tuple <TEntity, XmlElement>(item, element));
}
SaveNewSignatures(document, containerElement);
}
