form builder

gistfile1.rb

  def image_upload(attribute, options={})
    control_group do
      label(attribute, class: 'control-label')+
      controls do
        if(defined?object[attribute] && !object[attribute].blank?)
          # ::TODO:: make this into a real variable!!! (use attribute instead of the hard-coded 'background_image')
          @template.image_tag(object.background_image.url(:thumb))
        end+
        tag('br')+
        file_field(attribute)+
        if options[:help]
          help_block options[:help]
        end
      end
    end
  end

line 7.