//Helper function used by other components if need to update import context item
public static void AddImport(string importedNamespace, EditingContext editingContext)
{
//For types defined without any namespace, Type.Namespace is null instead of empty. We don't need to add any namespace to Import list in this case
if (string.IsNullOrEmpty(importedNamespace))
{
return;
}
Fx.Assert(editingContext != null, "EditingContext shouldn't be null.");
ModelService modelService = editingContext.Services.GetService <ModelService>();
Fx.Assert(modelService != null, "EditingContext should contains ModelService.");
ModelItemCollection importsCollection = modelService.Root.Properties[NamespaceListPropertyDescriptor.ImportCollectionPropertyName].Collection;
NamespaceList namespaceList = importsCollection.GetCurrentValue() as NamespaceList;
if (namespaceList.Lookup(importedNamespace) == -1)
{
importsCollection.Add(new NamespaceData {
Namespace = importedNamespace
});
}
else
{
namespaceList.UpdateAssemblyInfo(importedNamespace);
}
}