render_on (Borges::PluggableSelectBox)

    # File lib/Borges/HTML/PluggableSelectBox.rb, line 13
      def render_on(r)
        array = @model.call(@list).to_a

        r.div_class_with('column-choice') do
          r.form do
            r.attributes[:size] = @size
            r.attributes[:onChange] = 'submit()'
            r.select_from_list_selected_callback(array,
              array[@model.send(@selected)]) do |item|
                @model.send(@change_selected, array.index(item))
              end
          end
        end
      end