internal void CalculateBaseCollectionForSeries()
{
if (_instanceList.Count < 2)
{
return;
}
// Optimization: a base collection has already been created, just return.
if (_seriesTagsStream != null)
{
return;
}
IEnumerator <InstanceXml> iterator = GetEnumerator();
if (false == iterator.MoveNext())
{
return;
}
DicomAttributeCollection collect1 = iterator.Current.Collection;
if (false == iterator.MoveNext())
{
return;
}
DicomAttributeCollection collect2 = iterator.Current.Collection;
_seriesTagsStream = new BaseInstanceXml(collect1, collect2);
}
internal void SetBaseInstance(BaseInstanceXml baseInstance)
{
if (_baseInstance != baseInstance)
{
// force the element to be regenerated when GetMemento() is called
_cachedElement = null;
}
_baseInstance = baseInstance;
}
internal void SetMemento(XmlNode theSeriesNode)
{
_dirty = true;
_seriesInstanceUid = theSeriesNode.Attributes["UID"].Value;
if (!theSeriesNode.HasChildNodes)
{
return;
}
XmlNode childNode = theSeriesNode.FirstChild;
while (childNode != null)
{
// Just search for the first study node, parse it, then break
if (childNode.Name.Equals("BaseInstance"))
{
if (childNode.HasChildNodes)
{
XmlNode instanceNode = childNode.FirstChild;
if (instanceNode.Name.Equals("Instance"))
{
_seriesTagsStream = new BaseInstanceXml(instanceNode);
}
}
}
else if (childNode.Name.Equals("Instance"))
{
// This assumes the BaseInstance is in the xml ahead of the actual instances, note, however,
// that if there is only 1 instance in the series, there will be no base instance value
InstanceXml instanceStream;
if (_seriesTagsStream == null)
{
instanceStream = new InstanceXml(childNode, null);
}
else
{
instanceStream = new InstanceXml(childNode, _seriesTagsStream.Collection);
}
_instanceList.Add(instanceStream.SopInstanceUid, instanceStream);
}
childNode = childNode.NextSibling;
}
}
