private DefaultMutableTreeNode createNode(@Nullable PatternDescriptor descriptor) {
DefaultMutableTreeNode root =
new DefaultMutableTreeNode(descriptor) {
@NotNull
@Override
public String toString() {
Object object = getUserObject();
return object == null ? "" : ((PatternDescriptor) object).getName();
}
};
String id = descriptor == null ? PatternDescriptor.ROOT : descriptor.getId();
Collection<PatternDescriptor> collection = myMap.get(id);
for (PatternDescriptor childDescriptor : collection) {
root.add(createNode(childDescriptor));
}
return root;
}
