Contents

module GOVUKDesignSystemFormBuilder
  module Elements
    module Radios
      class CollectionRadioButton < Base
        # @param link_errors [Boolean] used to control the id generated for radio buttons. The
        #   error summary requires that the id of the first radio is linked-to from the corresponding
        #   error message. As when the summary is built what happens later in the form is unknown, we
        #   need to control this to ensure the link is generated correctly
        def initialize(builder, object_name, attribute_name, item, value_method:, text_method:, hint_method:, link_errors: false)
          super(builder, object_name, attribute_name)
          @item        = item
          @value       = item.send(value_method)
          @text        = item.send(text_method)
          @hint_text   = item.send(hint_method) if hint_method.present?
          @link_errors = link_errors
        end

        def html
          @builder.content_tag('div', class: 'govuk-radios__item') do
            @builder.safe_join(
              [
                @builder.radio_button(
                  @attribute_name,
                  @value,
                  id: field_id(link_errors: @link_errors),
                  aria: { describedby: hint_id },
                  class: %w(govuk-radios__input)
                ),
                label_element.html,
                hint_element.html
              ]
            )
          end
        end

      private

        def hint_element
          @hint_element ||= Elements::Hint.new(@builder, @object_name, @attribute_name, @hint_text, @value, radio: true)
        end

        def label_element
          @label_element ||= Elements::Label.new(@builder, @object_name, @attribute_name, text: @text, value: @value, radio: true)
        end
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
govuk_design_system_formbuilder-0.9.2	lib/govuk_design_system_formbuilder/elements/radios/collection_radio_button.rb
govuk_design_system_formbuilder-0.9.1	lib/govuk_design_system_formbuilder/elements/radios/collection_radio_button.rb
govuk_design_system_formbuilder-0.9.0	lib/govuk_design_system_formbuilder/elements/radios/collection_radio_button.rb
govuk_design_system_formbuilder-0.7.10	lib/govuk_design_system_formbuilder/elements/radios/collection_radio_button.rb