lib/simple_admin.rb in simple_admin-0.3.0 vs lib/simple_admin.rb in simple_admin-0.3.1

@@ -76,12 +76,14 @@
     #     SimpleAdmin.register :post do
     #     end
     #
     # Various configuration options are available within the block
     def register(resource, options={}, &block)
-      interface = SimpleAdmin::Interface.new(resource, options, &block)
-      self.registered << interface
-      interface
+      if defined?(@@registered)
+        interface = SimpleAdmin::Interface.new(resource, options, &block)
+        self.registered << interface
+        interface
+      end
     end
   end
 
   class ConfigurationNotFound < StandardError
     attr_accessor :message