panel/app/views/posts/_form.haml

- unless post.errors.empty?
  .alert.alert-danger
    %h4= t('.errors.title')
    %p= t('.errors.help')

    %ul
      - post.errors.each do |attribute, errors|
        - if errors.size > 1
          %li
            %strong= post_label_t attribute, post: post
            %ul
              - errors.each do |error|
                %li= error
        - else
          %li
            %strong= post_label_t attribute, post: post
            = errors.first

-# TODO: habilitar form_for
:ruby
  if post.new?
    url = site_posts_path(site, locale: @locale)
    method = :post
    extra_class = 'new'
  else
    url = site_post_path(site, post.id, locale: @locale)
    method = :patch
    extra_class = 'edit'
  end

- dir = t("locales.#{@locale}.dir")

-# Comienza el formulario
= form_tag url, method: method, class: 'form post ' + extra_class, multipart: true do

  -# Botones de guardado
  = render 'posts/submit', site: site, post: post

  = hidden_field_tag 'post[layout]', post.layout.name

  -# Dibuja cada atributo
  - post.attributes.each do |attribute|
    - metadata = post.send(attribute)
    - type = metadata.type

    = render("posts/attributes/#{type}",
             post: post, attribute: attribute,
             metadata: metadata, site: site,
             dir: dir, locale: @locale,
             autofocus: (post.attributes.first == attribute))

  -# Botones de guardado
  = render 'posts/submit', site: site, post: post