@Override
@Nullable
public RefClass getOwnerClass(RefElement refElement) {
RefEntity parent = refElement.getOwner();
while (!(parent instanceof RefClass) && parent instanceof RefElement) {
parent = parent.getOwner();
}
if (parent instanceof RefClass) return (RefClass) parent;
return null;
}
@Override
public RefClass getTopLevelClass(RefElement refElement) {
RefEntity refParent = refElement.getOwner();
while (refParent != null
&& refParent instanceof RefElement
&& !(refParent instanceof RefFile)) {
refElement = (RefElementImpl) refParent;
refParent = refParent.getOwner();
}
return refElement instanceof RefClass ? (RefClass) refElement : null;
}
@Override
@Nullable
public String getGroupName(final RefElement entity) {
for (RefManagerExtension extension : myExtensions.values()) {
final String groupName = extension.getGroupName(entity);
if (groupName != null) return groupName;
}
final LinkedList<String> containingDirs = new LinkedList<>();
RefEntity parent = entity.getOwner();
while (parent != null && !(parent instanceof RefDirectory)) {
parent = parent.getOwner();
}
while (parent instanceof RefDirectory) {
containingDirs.addFirst(parent.getName());
parent = parent.getOwner();
}
return containingDirs.isEmpty() ? null : StringUtil.join(containingDirs, File.separator);
}
