Modifications for menu in Design

app/controllers/admin/items_controller.rb

@@ -12,7 +12,7 @@ class Admin::ItemsController < ApplicationController
     if params[:item_id]
       @item = Item.find(params[:item_id])
     else
-      @item = Item.first(:conditions => {:parent_id => nil})
+      @item = get_homepage
     end
   end
 

app/controllers/application_controller.rb

@@ -74,4 +74,8 @@ class ApplicationController < ActionController::Base
     end
   end
   
+  def get_homepage
+    Item.first(:conditions => {:parent_id => nil})
+  end
+
 end

app/models/design/design_file.rb

@@ -1,5 +1,6 @@
 class DesignFile
   include Mongoid::Document
+  include Mongoid::Timestamps
 
   mount_uploader :file, AssetUploader
   

app/models/design/layout.rb

@@ -1,5 +1,6 @@
 class Layout < DesignFile
   include Parser
+  embeds_one :menu
   embedded_in :design
 
   attr_reader :content

app/models/design/menu.rb

@@ -0,0 +1,10 @@
+class Menu
+  include Mongoid::Document
+  include Mongoid::Timestamps
+
+  field :levels, :type => Integer
+  field :values, :type => Hash
+
+  embedded_in :layout
+
+end

lib/parser.rb

@@ -205,8 +205,44 @@ module Parser
         ret << item.i18n_variable[I18n.locale]
         ret << "</a>"
       end
+      c.define_tag 'menu' do |tag|
+        home = get_homepage
+        menu = page.design.layout.menu
+        menu_level(home, 1, menu)
       end
     end
+  end
+  
+  def menu_level(page, current, menu)
+    if current <= menu.levels
+      res = "<ul id="
+      res << menu.values["id_#{current}"]
+      res << " class="
+      res << menu.values["class_#{current}"]
+      res << ">"
+      i = nil
+      i = 1 if menu.values["li_recursive_#{current}"]
+      if current == 1 && menu.values['home'].eql?('true')
+        res << menu_li(page, current, menu, i)
+        i += 1 if i
+      end
+      page.children.each do |child|
+        res << menu_li(child, current, menu, i)
+        i += 1 if i
+      end
+      res << "</ul>"
+    end
+  end
+  
+  def menu_li(page, current, menu, i)
+    res = "<li class="
+    res << menu.values["li_class_#{current}"]
+    res << "_#{i}" if i
+    res << ">"
+    res << page.name
+    res << menu_level(page, current + 1, menu) if page.children.size > 0
+    res << "</li>"
+  end
   
   #=============
   def parse_layout_layout_part(layout)
@@ -222,6 +258,14 @@ module Parser
       end
       c.define_tag 'stylesheets' do |tag|
       end
+      c.define_tag 'menu' do |tag|
+        layout.build_menu(:levels => 0, :values => {}) unless layout.menu
+        layout.menu.levels = i = tag.attr['level'].to_i
+        layout.menu.values.merge!({'home' => tag.attr['home']}) if i == 1
+        layout.menu.values.merge!({"id_#{i}" => tag.attr['id'], "class_#{i}" => tag.attr['class'], "li_class_#{i}" => tag.attr['li_class'], "li_recursive_#{i}" => tag.attr['li_recursive']})
+        layout.menu.save
+        tag.expand
+      end
       c.define_tag 'layout_part' do |tag|
         data={}
         data[:class_tag]=tag.attr['class'].to_s