Tabs rails

tab_helper.rb

  def link_tab(content, tab_name, options={})
    prefix_active = "active"
    tab_name = tab_name.to_s
    css_class =
      if params[:tab].blank?
        options[:default] ? prefix_active : nil
      elsif params[:tab] == tab_name
        prefix_active
      end
    link_to content, current_path({tab: tab_name}), class: css_class
  end

  def tab_view(tab_name, options={})
    tab_name = tab_name.to_s
    show_tab = params[:tab].blank? ? options[:default] : params[:tab] == tab_name
    if show_tab
      yield
    else
      nil
    end
  end

tab_view.html.erb

<%= link_tab "Tab1", :tab1, default: true %>
<%= link_tab "Tab2", :tab2 %>
<%= tab_view(:tab1, default:true) do %>
  <%= render 'tab1' %>
<% end %>
<%= tab_view(:tab2) do %>
  <%= render 'tab2' %>
<% end %>