div#tracks
  = form.simple_fields_for :tracks do |ff|
    .col-lg-6
      .panel.panel-default
        .panel-heading
          .panel-title
            = Track.model_name.human.mb_chars.capitalize
            = ff.link_to_remove icon(:remove), class: ['btn', 'btn-danger', 'btn-xs', 'pull-right', ff.object.events.any? ? 'disabled' : nil]

        .panel-body
          = ff.input :name
          = ff.input :color, as: :color
          = ff.input :css_class
          = ff.input :description
.col-lg-6
  .panel.panel-default
    .panel-heading
      .panel-title
        = t 'actions.new.title_m', model: Track.model_name.human
    .panel-body.text-center
      = form.link_to_add t('actions.create.button', model: Track.model_name.human), :tracks, data: {target: '#tracks'}, class: 'btn btn-success'