include CollectiveIdea::Acts::NestedSet::Helper 

if defined?(ActiveAdmin)
  ActiveAdmin.register Ecm::CmsNavigation::NavigationItem do
    menu :label => Ecm::CmsNavigation::NavigationItem.model_name.human(:count => 10), :parent => I18n.t('ecm.cms.active_admin.menu')

    member_action :move_up do
      @navigation_item = Ecm::CmsNavigation::NavigationItem.find(params[:id])
      
      unless @navigation_item.left_sibling
        redirect_to :back, :notice => I18n.t('awesome_nested_set.illegal_move_up', :resource => @navigation_item.class.model_name.human ) 
        return
      end  
      
      @navigation_item.move_left
      redirect_to :back, :notice => I18n.t('awesome_nested_set.moved_up', :resource => @navigation_item.class.model_name.human )
    end

    member_action :move_down do
      @navigation_item = Ecm::CmsNavigation::NavigationItem.find(params[:id])
      
      unless @navigation_item.right_sibling
        redirect_to :back, :notice => I18n.t('awesome_nested_set.illegal_move_down', :resource => @navigation_item.class.model_name.human ) 
        return
      end  
      
      @navigation_item.move_right
      redirect_to :back, :notice => I18n.t('awesome_nested_set.moved_down', :resource => @navigation_item.class.model_name.human )
    end

    form do |f|
      f.inputs do
        f.input :navigation
        f.input :parent, :as => :select, :collection => nested_set_options(Ecm::CmsNavigation::NavigationItem, f.object) { |ni| "#{'    ' * ni.level} |-- [#{ni.navigation}] #{ni.name}".html_safe }
        f.input :name
        f.input :url
        f.input :key
        f.input :options
      end
      f.buttons
    end
    
    index :title => Ecm::CmsNavigation::NavigationItem.model_name.human(:count => 10) do
      column :navigation do |navigation_item|
        link_to navigation_item.navigation, admin_ecm_cms_navigation_navigation_path(navigation_item.navigation)
      end
      column :indented_name
      column :url
      column :key
      column :options
      default_actions
    end
    
    show :title => :name do
      attributes_table do
        row :navigation do |navigation_item|
          link_to navigation_item.navigation, admin_ecm_cms_navigation_navigation_path(navigation_item.navigation)
        end
        row :parent do |navigation_item|
          link_to_if navigation_item.parent, navigation_item.parent, admin_ecm_cms_navigation_navigation_item_path(navigation_item.parent)
        end
        row :name
        row :url
        row :key
        row :options
      end
    end
  end
end