$ ->
  # Display a placeholder for empty CMS attributes. The placeholder can be overwritten by
  # defining a +data-placeholder+ HTML attribute on the DOM element generated by +scrivito_tag+.
  #
  # For example:
  #   scrivito_tag(:div, @obj, :my_attribute, data: { placeholder: 'My custom placeholder text.' })
  addPlaceholder = ->
    cmsFields = $('[data-scrivito-field-type]')
      .not('[data-scrivito-field-type$=enum]:not([data-values])')

    cmsFields.each ->
      cmsField = $(@)
      fieldName = cmsField.attr('data-scrivito-field-name')
      defaultPlaceholder = 'Click to edit the "' + fieldName + '" attribute ...'
      placeholder = cmsField.attr('data-placeholder') || defaultPlaceholder

      cmsField.attr('data-placeholder', placeholder)

  scrivito.on 'content', ->
    if scrivito.in_editable_view()
      addPlaceholder()