osem-fcy/app/views/admin/venues/_form.html.haml

.row
  .col-md-12
    .page-header
      %h1 Venue
.row
  .col-md-8
    = semantic_form_for(@venue, url: admin_conference_venue_path(@conference.short_title)) do |f|
      = f.inputs :name, :website
      = f.input :description, input_html: { rows: 5, cols: 20, data: { provide: 'markdown-editable' } }, hint: markdown_hint
      = f.inputs :street, :postalcode, :city, :country, :latitude, :longitude
      - unless @venue.photo.blank?
        = image_tag @venue.photo(:thumb)
      = f.input :photo
      %label
        Additional photos
      - @venue.venue_photos.in_groups_of(4, false).each do |photo_group|
        .row
          - photo_group.each do |photo|
            .col-md-3
              = image_tag photo.photo(:thumb)
              = link_to "Delete", admin_conference_venue_photo_path(@conference.short_title, photo), method: :delete, class: 'btn btn-default', data: { confirm: 'really delete this photo ?' }
      %br
      = file_field_tag "venue_photos[]", type: :file, multiple: true
      %br
      = f.action :submit, as: :button, button_html: { class: 'btn btn-primary' }