= form_tag collection_path, method: :put, class: 'form-horizontal' do |f|
  .tabbable.tabs-left
    ul.nav.nav-tabs
      - collection.each_key do |key|
        li
          a href="#settings_#{key}" data-toggle='tab' = t(key, scope: [:admin, :settings, :keys], default: key.to_s.humanize)
    .tab-content
      - collection.each do |root_key, nested|
        .tab-pane id="settings_#{root_key}"
          - nested.each do |key, value|
            .control-group
              label.control-label for="settings_#{root_key}_#{key}"
                = t(key, scope: [:admin, :settings, :keys], default: key.to_s.humanize)
              .controls
                - if [true, false].include?(value)
                  = check_box "settings[#{root_key}]", key, {checked: value}, 'true', 'false'
                - elsif value.is_a?(Numeric)
                  = number_field_tag "settings[#{root_key}][#{key}]", value, step: 'any'
                - else
                  = text_field_tag "settings[#{root_key}][#{key}]", value, class: 'input-xlarge'

  br
  br
  =' submit_tag(t('admin.form.save'), class: 'btn btn-primary')
  =' link_to t('admin.cache_clear'), cache_clear_admin_settings_path, class: 'btn btn-danger', method: :post, remote: true

= init_js('$("form ul.nav-tabs li:first, form .tab-pane:first").addClass("active")')