lib/rails_admin/adapters/mongoid/extension.rb in obitum-rails_admin-0.0.4 vs lib/rails_admin/adapters/mongoid/extension.rb in obitum-rails_admin-0.0.5

@@ -20,8 +20,29 @@
           else
             self.send(value)
           end
         end
       end
+
+      module NestedAttributesExtension
+        extend ActiveSupport::Concern
+
+        included do
+          attr_reader :nested_attributes_options
+          alias_method_chain :accepts_nested_attributes_for, :rails_admin
+        end
+
+        # Mongoid accepts_nested_attributes_for does not store options in accessible scope,
+        # so we intercept the call and store it in instance variable which can be accessed from outside
+        def accepts_nested_attributes_for_with_rails_admin(*args)
+          @nested_attributes_options = {}
+          options = args.extract_options!
+          args.each do |arg|
+            @nested_attributes_options[arg.to_sym] = options.reverse_merge(:allow_destroy=>false, :update_only=>false)
+          end
+          args << options
+          accepts_nested_attributes_for_without_rails_admin(*args)
+        end
+      end
     end
   end
 end