app/controllers/admin/categories_controller.rb
class Admin::CategoriesController < Admin::BaseController
expose :categories
expose :category
def index
exhibit_exposed :categories
end
def new
exhibit_exposed :category
end
def create
category.save
exhibit_exposed :categories, :category
respond_with :admin, category
end
def destroy
category.destroy
exhibit_exposed :categories
respond_with :admin, category
end
end