From 49e2eb0187f7e8a8b963f172a0ef15a358d589c1 Mon Sep 17 00:00:00 2001
From: Christophe Vilayphiou <chris.vilayphiou@gmail.com>
Date: Tue, 8 May 2012 21:46:24 +0800
Subject: [PATCH] Add class 'active' in the menu for current page

---
 lib/parsers/parser_common.rb | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/lib/parsers/parser_common.rb b/lib/parsers/parser_common.rb
index 1825d9fd..2d131098 100644
--- a/lib/parsers/parser_common.rb
+++ b/lib/parsers/parser_common.rb
@@ -1,7 +1,7 @@
 module ParserCommon
  include ActionView::Helpers::TagHelper
 
-  def menu_level(page, current, menu, edit = false)
+  def menu_level(page, current_page_id, current, menu, edit = false)
     res = ''
     if page.ordered_and_visible_children.size > 0
       res << "<ul class='"
@@ -10,10 +10,10 @@ module ParserCommon
       i = nil
       i = 1 if menu.values["li_incremental_#{current}"]
       if menu.values['home'] && current == 1
-        res << menu_li(page, current, menu, i, edit)
+        res << menu_li(page, current_page_id, current, menu, i, edit)
       end
       page.ordered_and_visible_children.each do |child|
-        res << menu_li(child, current, menu, i, edit)
+        res << menu_li(child, current_page_id, current, menu, i, edit)
         i += 1 if i
       end
       res << "</ul>"
@@ -21,15 +21,16 @@ module ParserCommon
     res
   end
   
-  def menu_li(page, current, menu, i, edit)
-    res = "<li class="
+  def menu_li(page, current_page_id, current, menu, i, edit)
+    res = "<li class='"
     res << menu.values["li_class_#{current}"] rescue nil
     res << "_#{i}" if i
-    res << ">"
+    res << " active" if page.id.eql?(current_page_id)
+    res << "'>"
     res << "<a href='#{edit ? admin_page_path(page.id) : page.full_name}'><span>#{page.i18n_variable[I18n.locale]}</span></a>"
     if page.ordered_and_visible_children.size > 0 && current <= menu.levels
       res << "<span class='dot'></span>"
-      res << menu_level(page, current + 1, menu, edit)
+      res << menu_level(page, current_page_id, current + 1, menu, edit)
     end unless (page.is_home? rescue nil)
     res << "</li>"
   end
@@ -92,7 +93,7 @@ module ParserCommon
     page_menu = body.css('.page_menu').first
     home = get_homepage
     menu = page.design.layout.menu
-    fragment = Nokogiri::HTML::DocumentFragment.new(body, menu_level(home, 1, menu, edit))
+    fragment = Nokogiri::HTML::DocumentFragment.new(body, menu_level(home, page.id, 1, menu, edit))
     page_menu.swap(fragment)
   end