HAML and simple_form

simple form example with HAML

%h1= content_for :title, DocumentRequest.model_name.human

.fieldset
  = simple_form_for @document_request, :validation => true do |f|
    = f.input :ExternalDocument
    = f.input :project_code,          disabled: true
    = f.input :company_name,          disabled: true
    = f.input :comercial_entity_name, disabled: true
    = f.input :Requested,             as: :boolean
    = f.input :Performed,             as: :boolean
    = f.input :RequestDate,           as: :date
    = f.input :PerformeDate,          as: :date
    = f.input :PrevisionalDate,       as: :date
    = f.input :Local
    = f.input :City
    = f.input :PostalCode
    = f.input :Fax
    = f.input :Phone
    = f.input :Email
    = f.input :Notes,                 as: :text

    %p
      = f.button :submit
      = link_to 'Cancel', :back