sort and date fixed

app/models/patent.rb

@@ -29,6 +29,8 @@ class Patent
 
   before_validation :add_http
 
+  scope :sort_for_frontend, ->{ where(:is_hidden=>false).order_by(:year => "desc", :publish_date => "desc") }
+
   def get_plugin_data(fields_to_show)
     plugin_datas = []
     fields_to_show.each do |field|
@@ -55,7 +57,7 @@ class Patent
       }
     end
 
-    plugin_datas = datas.where(:is_hidden=>false).order_by(:year=>'desc').collect do |p|
+    plugin_datas = datas.sort_for_frontend.collect do |p|
 
       pd_data = []
       fields_to_show.collect do |t|

app/views/admin/patents/_form.html.erb

@@ -180,7 +180,7 @@
       <div class="control-group">
         <label class="control-label muted"><%= t("personal_patent.publication_date") %></label>
         <div class="controls">
-          <%= f.datetime_picker :publish_date, :no_label => true, :format=>"yyyy/MM" %>
+          <%= f.datetime_picker :publish_date, :no_label => true, :format=>"yyyy/MM", :value => @patent.publish_date, :new_record => @patent.new_record? %>
         </div>
       </div>