active-admin-sample-form-index-show for nested form

gistfile1.txt

ActiveAdmin.register Bar do

  # controller.load_and_authorize_resource
  controller do
  load_and_authorize_resource :except => [:update, :index, :show, :edit]
    def scoped_collection
      end_of_association_chain.accessible_by(current_ability)
    end
  end 

  form(:html => { :multipart => true }) do |f|
     f.inputs "Enter bar details" do
      f.input :admin_user_id, :as => :select, :collection => AdminUser.all.map {|u| [u.name,u.id]}, :include_blank => true
      f.input :name
      f.input :short_name
      f.input :country
      f.input :state
      f.input :address
      f.input :phone
      f.input :fax
      f.input :email
      f.inputs "Weblinks of bar" do
        f.has_many :weblinks do |y|
          y.input :weblink_name
          y.input :weblink_url
        end
      end
      f.inputs "Images of bar" do
        f.has_many :galleries do |g|
          g.input :image, :as => 'file'
        end
      end
    end
    f.buttons
  end

  index do
    column :admin_user_id
    column :name
    column :short_name
    column :country
    column :state
    column :address
    column :phone
    column :fax
    column :email
    default_actions    
  end

  show do |bar|
    panel "Bar details" do
      attributes_table_for bar, :admin_user_id, :country, :state, :address, :email, :fax, :name, :phone, :short_name
    end
    
    panel("Weblinks") do
      table_for(bar.weblinks) do
        column "Weblink Name" do |weblinks| 
          weblinks.weblink_name          
        end
        column "Weblink Url" do |weblinks| 
          weblinks.weblink_url          
        end 
      end
    end
    
    panel("Images") do
      table_for(bar.galleries) do
        column "Image" do |galleries| 
          image_tag(galleries.image, :height => '200', :width => '200')        
        end 
      end
    end
  end

  
end