2 files changed, 18 insertions, 1 deletions

diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 7bcec461e..f5ce7ecda 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -177,7 +177,8 @@ module ApplicationHelper
   end
   
   def breadcrumb(*args)
-    content_tag('p', args.join(' » ') + ' » ', :class => 'breadcrumb')
+    elements = args.flatten
+    elements.any? ? content_tag('p', args.join(' » ') + ' » ', :class => 'breadcrumb') : nil
   end
   
   def html_title(*args)
diff --git a/app/helpers/wiki_helper.rb b/app/helpers/wiki_helper.rb
index 980035bd4..d27ce3ea3 100644
--- a/app/helpers/wiki_helper.rb
+++ b/app/helpers/wiki_helper.rb
@@ -17,6 +17,22 @@
 
 module WikiHelper
 
+  def render_page_hierarchy(pages, node=nil)
+    content = ''
+    if pages[node]
+      content << "<ul class=\"pages-hierarchy\">\n"
+      pages[node].each do |page|
+        content << "<li>"
+        content << link_to(h(page.pretty_title), {:action => 'index', :page => page.title},
+                           :title => l(:label_updated_time, distance_of_time_in_words(Time.now, page.updated_on)))
+        content << "\n" + render_page_hierarchy(pages, page.id) if pages[page.id]
+        content << "</li>\n"
+      end
+      content << "</ul>\n"
+    end
+    content
+  end
+  
   def html_diff(wdiff)
     words = wdiff.words.collect{|word| h(word)}
     words_add = 0