/** Reads a list of dataobjects from this nodes child of given name, returns null if not found. Can be referenced, or full. */
protected List <T> ReadNamedDataObjectList <T>(XElement node, string name, FieldReferenceType referenceType, DataLibrary <T> library = null) where T : NamedDataObject
{
node = node.Element(name);
if (node == null)
{
return(null);
}
var list = new List <T>();
string subNodeName = GetClassAttributesForType(typeof(T)).NodeName;
library = library ?? NamedDataObject.GetLibraryForType <T>();
if (library == null && referenceType != FieldReferenceType.Full)
{
throw new Exception("Can not load type " + typeof(T) + " as no default library is defined, and it is stored referenced.");
}
foreach (var subNode in node.Elements(subNodeName))
{
T item = null;
switch (referenceType)
{
case FieldReferenceType.Full:
item = (T)Activator.CreateInstance(typeof(T));
item.ReadNode(subNode);
break;
case FieldReferenceType.ID:
var fieldId = int.Parse(subNode.Value);
item = (T)library._byID(fieldId);
break;
case FieldReferenceType.Name:
var fieldName = subNode.Value;
item = (T)library._byName(fieldName);
break;
}
list.Add(item);
}
return(list);
}
/**
* Adds a reference linking given library to given NamedDataObject type. This use used to link up objects
* during deserialization.
*/
public static void AddGlobalLibrary <T>(DataLibrary <T> library) where T : NamedDataObject
{
GlobalLibrary[typeof(T)] = library;
}