Collapsable Bootstrap Panels

open_close_panels.haml

- I18n.available_locales.each_with_index do |locale,i|
  - ulocale = locale.to_s.underscore
  - show_expanded = [:'en-US', I18n.locale].include?(locale)


  .panel.panel-default{id: ulocale}
    %a.panel-default{"data-toggle" => "collapse", "data-parent" => "##{ulocale}", "href" => "#panel-#{ulocale}"}
      .panel-heading
        .panel-title= CONFIG[:display_locales][locale]

    .panel-collapse.collapse{id: "panel-#{ulocale}", class: (show_expanded ? "in" : "out") }
      .panel-body
        = f.input :"title_#{ulocale}", label: "Title"


        = f.label :"excerpt_#{ulocale}", "Short Synopsis"
        %small 300-char limit

        = f.input :"excerpt_#{ulocale}", as: :text, input_html: {'rows' => 5}, label: false