protected void ApplyProperties(Namespace ns, Namespace newNamespace)
{
// Copy properties and commit the changes.
ns.CopyProperties(newNamespace);
ns.Commit();
}
private static void CopyElement(INamespaceParent parent, Namespace ns, bool iterate)
{
bool mergeEventStates = false;
// Check whether the namespace already exists.
Namespace thisNamespace = parent.Namespaces[ns.Name];
if (thisNamespace == null)
{
// Doesn't exist so create new clone.
thisNamespace = ns.CloneProperties(parent, ns.Name);
parent.Namespaces.Add(thisNamespace);
}
else
{
if (thisNamespace.IsEnsured)
{
// Already exists, so copy details if "ensured".
thisNamespace.CopyProperties(ns);
}
else
{
// If "ns" has any children then the event states on "thisNamespace" need to be merged from
// "ns", since we may be adding sources.
mergeEventStates = (ns.Sources.Count > 0 || ns.Namespaces.Count > 0);
}
}
string[] eventsToUpdate = null;
if (mergeEventStates)
{
// The status of all events that are enabled or mixed on either target or source needs to be
// merged. To do this first push the "enabled" status right down to the source level then,
// after the children of the source namespace are added to this (target) namespace update
// the event states on the namespace from the states of the children.
eventsToUpdate = Util.AddRangeUnique(
Util.AddRangeUnique(thisNamespace.EnabledEventsInternal, thisNamespace.MixedEventsInternal),
Util.AddRangeUnique(ns.EnabledEventsInternal, ns.MixedEventsInternal));
if (eventsToUpdate != null && eventsToUpdate.Length != 0)
{
thisNamespace.PushAllEnabledEventsToChildren();
ns.PushAllEnabledEventsToChildren();
}
}
// Iterate.
if (iterate)
{
foreach (Source source in ns.Sources)
{
CopyElement(thisNamespace, source);
}
foreach (Namespace childNamespace in ns.Namespaces)
{
CopyElement(thisNamespace, childNamespace, true);
}
}
if (mergeEventStates && eventsToUpdate != null && eventsToUpdate.Length > 0)
{
// Don't go up to the parent at all in this case - we're traversing from bottom up already.
thisNamespace.UpdateEventStates(eventsToUpdate);
}
}