Merged nested projects branch. Removes limit on subproject nesting (#594).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2304 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/users_helper.rb

@@ -25,15 +25,10 @@ module UsersHelper
   end
   
   # Options for the new membership projects combo-box
-  def projects_options_for_select(projects)
+  def options_for_membership_project_select(user, projects)
     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)))
-      projects_by_root[root].sort.each do |project|
-        next if project == root
-        options << content_tag('option', '&#187; ' + h(project.name), :value => project.id)
-      end
+    options << project_tree_options_for_select(projects) do |p|
+      {:disabled => (user.projects.include?(p))}
     end
     options
   end