pulibrary / orangelight / 00dbc10b-d747-4ad7-b211-7b26d753abbb

module Orangelight

  class JoinProcessor < Blacklight::Rendering::AbstractStep

    include ActionView::Context

    include ActionView::Helpers::TextHelper

    def render

      return next_step(values) if values.blank?

      return next_step(values.first) if values.length == 1

      joined = content_tag :ul, id: "#{config.key}-list" do

        values.each_with_index do |value, index|

          list_item = content_tag(:li, value, class: css_class(index), dir: direction(value))

          concat list_item

        end

      end

      next_step(joined)

    end

    private

      def direction(value)

        return 'rtl' if value.dir == 'rtl' || value.include?('dir="rtl"')

        'ltr'

      end

      def css_class(index)

        class_string = "blacklight-#{config.key}"

        class_string = "#{class_string} d-none" if config.maxInitialDisplay && index >= config.maxInitialDisplay

        class_string

      end

  end

end