Added a new helper to UsersHelper.

* project_options_for_select doesn't allow setting the selected project
  so it is replaced with project_options_for_select_with_selected in the views

  #1914

app/views/rates/_form.html.erb

@@ -15,7 +15,7 @@
         <%= # TODO: move to controller once a hook is in place for the Admin panel
           projects = Project.find(:all, :conditions => { :status => Project::STATUS_ACTIVE}, :include => :parent)
   
-          select_tag("rate[project_id]", projects_options_for_select(projects))
+          select_tag("rate[project_id]", project_options_for_select_with_selected(projects, @rate.project))
         %>
       </td>
       <td align="right">

lib/rate_users_helper_patch.rb

@@ -17,6 +17,20 @@ module RateUsersHelperPatch
       return tabs
     end
     
+    # Similar to +project_options_for_select+ but allows selecting the active value
+    def project_options_for_select_with_selected(projects, selected = nil)
+      options = content_tag('option', "--- #{l(:actionview_instancetag_blank_option)} ---")
+      projects_by_root = projects.group_by(&:root)
+      projects_by_root.keys.sort.each do |root|
+        options << content_tag('option', h(root.name), :value => root.id, :disabled => (!projects.include?(root)), :selected => root == selected)
+        projects_by_root[root].sort.each do |project|
+          next if project == root
+          options << content_tag('option', '&#187; ' + h(project.name), :value => project.id, :selected => project == selected)
+        end
+      end
+      options
+    end
+    
   end
 end