global_helpers.rb

    %w(text_field password_field hidden_field file_field
    text_area select check_box radio_button radio_group).each do |kind|
      self.class_eval <<-RUBY, __FILE__, __LINE__ + 1
        def labeled_#{kind}(*args)
          options = args.last.is_a?(Hash) ? args.pop : {}
          options[:label] = args.first.to_s.gsub('_', ' ').capitalize.t + ":" unless options[:label]
          args.push(options)
          #{kind}(*args)
        end
      RUBY
    end

    def default_error_messages_for(obj, opts = {})
      error_messages_for obj, :build_li => "<li>%s</li>", :header => "<h3>#{"Oops! There are some errors:".t}</h3>"
    end

inne.haml

- box "Edit translation:".t, :type => :wide do
  = form_for @translation, :action => url(:translation, @translation) do
    = fieldset do
      %p
        = labeled_text_field :id, :disabled => true
        = labeled_text_field :value
      = hidden_field :language, :value => @translation.language
    %p.actions
      = submit 'Save'.t
      = link_to 'Back'.t, url(:translations, :language => @translation.language)
    - if @translation.related.size > 0
      %h3= "Related translations".t
      - @translation.related.each do |t|
        = fields_for(t) do
          = fieldset do
            %p
              = text_field :name => "translation[related][#{t.hash}][id]", :value => t.id, :disabled => true, :label => "#{"Id".t}:"
              = text_field :name => "translation[related][#{t.hash}][value]", :value => t.value, :label => "#{"Value".t}:"
      %p.actions
        = submit 'Save'.t
        = link_to 'Back'.t, url(:translations, :language => @translation.language)

podstawa.haml

- box "Edit article:".t do
  = form_for @article, :action => url(:article, @article) do
    = default_error_messages_for @article
    = fieldset do
      %p= labeled_text_field :title
      %p= labeled_text_area :content
    %p.actions
      = submit 'Save'.t
      = link_to 'Back'.t, url(:articles)

troche wieksze.haml

= default_error_messages_for @product
= fieldset :legend => 'Category'.t do
  %p
    %span#product_categories
  %p
    = text_field :category_id
    %span#product_category_id_label

= fieldset do
  %p
    = label "Product type:".t
    = radio_group :type, Product.types

  %p= labeled_text_field :name
  %p= labeled_text_area :description
  
= fieldset :legend => "Images:" do
  - @product.max_attachments_size.times do |i|
    %p
      - if a = @product.attachments[i]
        = file_field :name => "product[attachments][#{a.id}][data]", :label => a.filename
        = check_box :name => "product[attachments][#{a.id}][delete]", :label => "Delete?".t
      - else
        = file_field :name => "product[attachments][new][]", :label => "Image %d:".t(i+1)
    

  
= fieldset :legend => "Options:".t do
  - Option.all.each do |option|
    %p
      = label option.name
      - if valid = @product.active_option?(option)
        %span.option_info
          = "Option valid until:".t
          = valid.strftime("%Y-%m-%d %H:%M")
      - else
        = select_for_option(option)