User groups feature initial commit.

git-svn-id: http://redmine.rubyforge.org/svn/branches/work@1373 e93f8b46-1217-0410-a6f0-8f06a7374b81

groups/app/helpers/custom_fields_helper.rb

@@ -20,7 +20,8 @@ module CustomFieldsHelper
   def custom_fields_tabs
     tabs = [{:name => 'IssueCustomField', :label => :label_issue_plural},
             {:name => 'ProjectCustomField', :label => :label_project_plural},
-            {:name => 'UserCustomField', :label => :label_user_plural}
+            {:name => 'UserCustomField', :label => :label_user_plural},
+            {:name => 'GroupCustomField', :label => :label_group_plural}
             ]
   end
   

groups/app/helpers/groups_helper.rb

@@ -0,0 +1,19 @@
+# redMine - project management software
+# Copyright (C) 2008  FreeCode
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module GroupsHelper
+end

groups/app/helpers/projects_helper.rb

@@ -42,6 +42,19 @@ module ProjectsHelper
     tabs.select {|tab| User.current.allowed_to?(tab[:action], @project)}     
   end
   
+  def principal_select_tag(groups, users)
+    options = ''
+    options << "<optgroup label=\"#{l(:label_group_plural)}\" class=\"groups\">" + 
+                 options_for_select(groups.collect {|g| [g.name, "group_#{g.id}"]}) +
+                 "</optgroup>" unless groups.empty?
+
+    options << "<optgroup label=\"#{l(:label_user_plural)}\" class=\"users\">" + 
+                 options_for_select(users.collect {|u| [u.name, "user_#{u.id}"]}) +
+                 "</optgroup>" unless users.empty?
+                
+    select_tag 'principal', options
+  end
+  
   # Generates a gantt image
   # Only defined if RMagick is avalaible
   def gantt_image(events, date_from, months, zoom)