app/menus/event_orders_submenu.rb
class EventOrdersSubmenu < TabsOnRails::Tabs::Builder
def open_tabs(options = {})
@context.tag("ul", {class: ['nav', 'nav-list']}.merge(options), open = true)
end
def tab_for(tab, name, path, current_path, item_options = {})
item_options[:class] = (path == current_path ? 'active' : '')
@context.content_tag(:li, item_options) do
@context.link_to(name, path)
end
end
end