private static DicomFilteredAnnotationLayout DeserializeFilteredLayout(XmlElement dicomFilteredLayoutNode)
{
string matchingLayoutId = dicomFilteredLayoutNode.GetAttribute("matching-layout-id");
string filteredLayoutId = dicomFilteredLayoutNode.GetAttribute("id");
DicomFilteredAnnotationLayout filteredLayout = new DicomFilteredAnnotationLayout(filteredLayoutId, matchingLayoutId);
foreach (XmlElement filterNode in dicomFilteredLayoutNode.SelectNodes("filters/filter"))
{
string key = filterNode.GetAttribute("key");
if (String.IsNullOrEmpty(key))
{
continue;
}
string filterValue = filterNode.GetAttribute("value");
if (String.IsNullOrEmpty(filterValue))
{
continue;
}
filteredLayout.Filters.Add(new KeyValuePair <string, string>(key, filterValue));
}
return(filteredLayout);
}
public string GetMatchingStoredLayoutId(List <KeyValuePair <string, string> > filterCandidates)
{
lock (_syncLock)
{
Initialize(false);
string xPath = "dicom-filtered-annotation-layout-configuration/dicom-filtered-annotation-layouts/dicom-filtered-annotation-layout";
XmlNodeList filteredLayoutNodes = _document.SelectNodes(xPath);
foreach (XmlElement filteredLayoutNode in filteredLayoutNodes)
{
DicomFilteredAnnotationLayout filteredAnnotationLayout = DeserializeFilteredLayout(filteredLayoutNode);
if (filteredAnnotationLayout.IsMatch(filterCandidates))
{
return(filteredAnnotationLayout.MatchingLayoutIdentifier);
}
}
}
return("");
}
public void Update(DicomFilteredAnnotationLayout filteredLayout)
{
Platform.CheckForNullReference(filteredLayout, "filteredLayout");
Platform.CheckForEmptyString(filteredLayout.MatchingLayoutIdentifier, "filteredLayout.MatchingLayoutIdentifier");
lock (_syncLock)
{
Initialize(false);
try
{
SerializeFilteredLayout(_document, filteredLayout);
SaveSettings(_document.OuterXml);
}
catch
{
Initialize(true);
throw;
}
}
}
private static void SerializeFilteredLayout(XmlDocument document, DicomFilteredAnnotationLayout dicomFilteredAnnotationLayout)
{
string xPath = "dicom-filtered-annotation-layout-configuration/dicom-filtered-annotation-layouts";
XmlElement filteredLayoutsNode = (XmlElement)document.SelectSingleNode(xPath);
if (filteredLayoutsNode == null)
{
throw new InvalidDataException(String.Format(SR.ExceptionInvalidFilteredAnnotationLayoutXml, "'dicom-filtered-annotation-layouts' node does not exist"));
}
XmlElement newFilteredLayoutNode = document.CreateElement("dicom-filtered-annotation-layout");
newFilteredLayoutNode.SetAttribute("id", dicomFilteredAnnotationLayout.Identifier);
newFilteredLayoutNode.SetAttribute("matching-layout-id", dicomFilteredAnnotationLayout.MatchingLayoutIdentifier);
XmlElement filtersNode = document.CreateElement("filters");
newFilteredLayoutNode.AppendChild(filtersNode);
foreach (KeyValuePair <string, string> keyValuePair in dicomFilteredAnnotationLayout.Filters)
{
XmlElement newFilterNode = document.CreateElement("filter");
newFilterNode.SetAttribute("key", keyValuePair.Key);
newFilterNode.SetAttribute("value", keyValuePair.Value);
filtersNode.AppendChild(newFilterNode);
}
xPath = String.Format("dicom-filtered-annotation-layout[@id='{0}']", dicomFilteredAnnotationLayout.Identifier);
XmlElement existingNode = (XmlElement)filteredLayoutsNode.SelectSingleNode(xPath);
if (existingNode != null)
{
filteredLayoutsNode.ReplaceChild(newFilteredLayoutNode, existingNode);
}
else
{
filteredLayoutsNode.AppendChild(newFilteredLayoutNode);
}
}