Custom Collection Inputs Simple Form

check_boxes_with_hints.rb

module SimpleForm
  class FormBuilder
    def collection_check_boxes_with_hints(attribute, collection, value_method, text_method, options={}, html_options={})
      rendered_collection = render_collection(
          collection, value_method, text_method, options.merge({:item_wrapper_tag => nil}), html_options
      ) do |item, value, text, default_html_options|
        default_html_options[:multiple] = true
        builder = instantiate_builder(SimpleForm::ActionViewExtensions::CheckBoxBuilder, attribute, item, value, text, default_html_options)
        label = builder.label(:class => 'inline checkbox checkbox_with_hints').split("</")
        [
            label[0],
            builder.check_box,
            "<p class='help-block'> #{options[:hint_method].call(text, value)}</p>".html_safe,
            "</#{label[1]}"
        ].join(' ')
      end

      # Append a hidden field to make sure something will be sent back to the
      # server if all checkboxes are unchecked.
      hidden = @template.hidden_field_tag("#{object_name}[#{attribute}][]", "", :id => nil)

      wrap_rendered_collection(rendered_collection + hidden, options)
    end
  end
end


class CheckBoxesWithHintsInput < SimpleForm::Inputs::CollectionCheckBoxesInput
  def input
    super
  end
end

radio_button_with_hints.rb

module SimpleForm
  class FormBuilder
    def collection_radio_buttons_with_hints(attribute, collection, value_method, text_method, options={}, html_options={})
      rendered_collection = render_collection(
          collection, value_method, text_method, options.merge({:item_wrapper_tag => nil}), html_options
      ) do |item, value, text, default_html_options|
        default_html_options[:multiple] = true
        builder = instantiate_builder(SimpleForm::ActionViewExtensions::RadioButtonBuilder, attribute, item, value, text, default_html_options)
        label = builder.label(:class => 'inline radio radio_with_hints').split(">")
        [
            label[0],
            ">",
            builder.radio_button,
            "<p class='help-block'> #{options[:hint_method].call(text, value)}</p>".html_safe,
            "#{label[1].split("<").join(" <")}>"
        ].join(' ').gsub("[]","")
      end
      wrap_rendered_collection(rendered_collection, options)
    end
  end
end


class RadioButtonsWithHintsInput < SimpleForm::Inputs::CollectionRadioButtonsInput
  def input
    super
  end
end