Custom simple-nav renderer for foundation 5

foundation_breadcrumbs.rb

# Renders an ItemContainer as a <ul> element and its containing items as
# <li><a> elements.
# It only renders 'selected' elements.
#
# It's suited to work with foundation 5 out of the box
class FoundationBreadcrumbs < SimpleNavigation::Renderer::Base

  # logic from SimpleNavigation::Renderer::List
  def render(item_container)
    if skip_if_empty? && item_container.empty?
      ''
    else
      tag = options[:ordered] ? :ol : :ul

      dom_attributes = item_container.dom_attributes
      if dom_attributes[:class]
        dom_attributes[:class] += " breadcrumbs"
      else
        dom_attributes[:class] = "breadcrumbs"
      end

      content = list_content(item_container)
      content_tag(tag, content, dom_attributes)
    end
  end

  private

  def list_content(item_container)
    li_tags(item_container).join
  end

  # logic from SimpleNavigation::Renderer::Breadcrumbs
  def li_tags(item_container)
    item_container.items.each_with_object([]) do |item, list|
      next unless item.selected?

      li_options = item.html_options.except(:link)
      li_content = tag_for(item)
      list << content_tag(:li, li_content, li_options)

      if include_sub_navigation?(item)
        list.concat li_tags(item.sub_navigation)
      end
    end
  end


  protected

  # from SimpleNavigation::Renderer::Breadcrumbs
  def suppress_link?(item)
    super || (options[:static_leaf] && item.active_leaf_class)
  end

end