view example

gistfile1.haml

-# Expects: resource
= form_for resource, remote: true, validate: true, html: { class: "lab_test edit_#{resource.label}" } do |f|
  = resource_form_header(resource)

  - teaser = t("tests.#{resource.label}_resource.new_record_description")
  - if resource.new_record? && teaser.exclude?('New Record')
    %p= teaser

  = render partial: 'generic_data/control_buttons', locals: { resource: resource }  

  .fields
    .inputs
      - resource.class.inputs.each do |input|
        = f.text_field input.to_sym, class: :number, disabled: (input == 'total_ratio'), placeholder: '—', onfocus: "this.placeholder = ''", onblur: "this.placeholder = '—'"
    .labels
      - resource.class.inputs.each do |input|
        = f.label input.to_sym
    = render partial: 'generic_data/gender_field'

  .taken_on.pull-left
    = f.label :taken_at, 'Taken on'
    = f.date_select :taken_at, { order: [:month, :day, :year], default: display_taken_at(resource) }, { class: :required }

  .form_actions.pull-right= resource_actions(f)