void InitCollections()
{
nodeTypes = new ExtensionNodeTypeCollection(this);
nodeSets = new NodeSetIdCollection();
foreach (XmlNode n in Element.ChildNodes)
{
XmlElement nt = n as XmlElement;
if (nt == null)
{
continue;
}
if (nt.LocalName == "ExtensionNode")
{
ExtensionNodeType etype = new ExtensionNodeType(nt);
nodeTypes.Add(etype);
}
else if (nt.LocalName == "ExtensionNodeSet")
{
string id = nt.GetAttribute("id");
if (id.Length > 0)
{
nodeSets.Add(id);
}
else
{
missingNodeSetId = true;
}
}
}
}
/// <summary>
/// Gets all the allowed node types.
/// </summary>
/// <returns>
/// The allowed node types.
/// </returns>
/// <remarks>
/// Gets all allowed node types, including those defined in included node sets.
/// This method only works for descriptions loaded from a registry.
/// </remarks>
public ExtensionNodeTypeCollection GetAllowedNodeTypes()
{
if (cachedAllowedTypes == null)
{
cachedAllowedTypes = new ExtensionNodeTypeCollection();
GetAllowedNodeTypes(new Hashtable(), cachedAllowedTypes);
}
return(cachedAllowedTypes);
}
void GetAllowedNodeTypes(Hashtable visitedSets, ExtensionNodeTypeCollection col)
{
if (Id.Length > 0)
{
if (visitedSets.Contains(Id))
{
return;
}
visitedSets [Id] = Id;
}
// Gets all allowed node types, including those defined in node sets
// It only works for descriptions generated from a registry
foreach (ExtensionNodeType nt in NodeTypes)
{
col.Add(nt);
}
AddinDescription desc = ParentAddinDescription;
if (desc == null || desc.OwnerDatabase == null)
{
return;
}
foreach (string[] ns in NodeSets.InternalList)
{
string startAddin = ns [1];
if (startAddin == null || startAddin.Length == 0)
{
startAddin = desc.AddinId;
}
ExtensionNodeSet nset = desc.OwnerDatabase.FindNodeSet(ParentAddinDescription.Domain, startAddin, ns[0]);
if (nset != null)
{
nset.GetAllowedNodeTypes(visitedSets, col);
}
}
}
internal override void Read(BinaryXmlReader reader)
{
id = reader.ReadStringValue("Id");
nodeTypes = (ExtensionNodeTypeCollection)reader.ReadValue("NodeTypes", new ExtensionNodeTypeCollection(this));
reader.ReadValue("NodeSets", NodeSets.InternalList);
}
internal void Clear()
{
Element = null;
nodeSets = null;
nodeTypes = null;
}
