Module: BreadcrumbsHelper

Defined in:
app/helpers/breadcrumbs_helper.rb

Instance Method Summary collapse

Instance Method Details



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# File 'app/helpers/breadcrumbs_helper.rb', line 36

def breadcrumb_lis_for_breadcrumb_hashes( breadcrumbs )
  breadcrumbs.collect do |breadcrumb|
    css_class = "crumb"
    css_class = "root crumb" if breadcrumb == breadcrumbs.first
    css_class = "last crumb" if breadcrumb == breadcrumbs.last
    css_class += " slim" if breadcrumb[ :slim ]
    c = content_tag :li, :class => css_class do

      # Do not use turbolinks for external links, since they are directed by the PagesController.
      # The redirect to external sites causes a 'forbidden' error when using turbolinks.
      #
      if breadcrumb[:navable].kind_of?(Page) && breadcrumb[:navable].redirect_to.kind_of?(String)
        link_options = {'data-no-turbolink' => true}
      else
        link_options = {}
      end

      link_to breadcrumb[ :title ], breadcrumb[ :navable ], link_options
    end
    unless breadcrumb == breadcrumbs.last
      c+= content_tag :li, " ".html_safe, :class => "crumb sep"
    end
    c
  end.join.html_safe
end

#breadcrumb_ul ⇒ Object

This returns the html code for an unordered list containing the bread crumb elements.



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# File 'app/helpers/breadcrumbs_helper.rb', line 7

def breadcrumb_ul
  cached_breadcrumb_ul
end

#breadcrumb_ul_for_navable(navable) ⇒ Object 



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# File 'app/helpers/breadcrumbs_helper.rb', line 20

def breadcrumb_ul_for_navable( navable )
  content_tag :ul do
    breadcrumbs = navable.nav_node.breadcrumbs   # => [ { title: 'foo', navable: ... }, ... ]
    breadcrumb_lis_for_breadcrumb_hashes( breadcrumbs )
  end
end

#breadcrumb_ul_for_navables(navables = []) ⇒ Object 



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# File 'app/helpers/breadcrumbs_helper.rb', line 27

def breadcrumb_ul_for_navables( navables = [] )
  breadcrumbs = navables.collect do |navable|
    breadcrumb = { title: navable.title, navable: navable }
  end
  content_tag :ul do
    breadcrumb_lis_for_breadcrumb_hashes( breadcrumbs )
  end
end

#cached_breadcrumb_ul ⇒ Object 



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# File 'app/helpers/breadcrumbs_helper.rb', line 11

def cached_breadcrumb_ul
  return cached_breadcrumb_ul_for_navable @navable if @navable
  return breadcrumb_ul_for_navables @navables if @navables
end

#cached_breadcrumb_ul_for_navable(navable) ⇒ Object 



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# File 'app/helpers/breadcrumbs_helper.rb', line 16

def cached_breadcrumb_ul_for_navable(navable)
  Rails.cache.fetch([navable, 'breadcrumb_ul_for_navable', navable.ancestors_cache_key]) { breadcrumb_ul_for_navable(navable) }
end