add nokogiri into Gemfile and fixing dup bug again...

app/assets/javascripts/design_temp.js

@@ -15,7 +15,7 @@ function r_editor(tgetUrl,tpostUrl,tfilename,toption){
     html = $(code);
     html.children("textarea").load(editor.getUrl);
     html.children("input.discard").click(function(){
-      editor.reload();
+      editor.destroy();
     });
     html.children("input.send").click(function(){
       editor.send();

app/controllers/admin/designs_controller.rb

@@ -23,6 +23,13 @@ class Admin::DesignsController < ApplicationController
     end
   end
 
+  def apply
+    @design = Design.find(params[:id])
+    #TODO do somehting to validate 
+    debugger
+    doc = Nokogiri::HTML(@design.layout.file.read)
+  end
+
   def edit_file
     @design = Design.find(params[:id])
     filename = params[:filename]

app/models/design.rb

@@ -36,8 +36,10 @@ class Design
   def files=(attrs)
     files = eval(attrs.last)
     attrs[0].each do |a|
-      if(a[:id]=='' && !a[:file].nil?)
-        files.build(:file => a[:file], :to_save => true)
+      if(a[:id]=='' && !a[:file].nil? )
+        if(a[:file]!='')
+          files.build(:file => a[:file], :to_save => true)
+        end
       else
         files.each do |file|
           if file.id.to_s == a[:id]