Adds permissions for viewing the watcher list and adding new watchers on the issue detail view (#398).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1712 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/helpers/watchers_helper.rb

@@ -24,7 +24,7 @@ module WatchersHelper
     return '' unless user && user.logged? && object.respond_to?('watched_by?')
     watched = object.watched_by?(user)
     url = {:controller => 'watchers',
-           :action => (watched ? 'remove' : 'add'),
+           :action => (watched ? 'unwatch' : 'watch'),
            :object_type => object.class.to_s.underscore,
            :object_id => object.id}           
     link_to_remote((watched ? l(:button_unwatch) : l(:button_watch)),
@@ -33,4 +33,9 @@ module WatchersHelper
                    :class => (watched ? 'icon icon-fav' : 'icon icon-fav-off'))
   
   end
+  
+  # Returns a comma separated list of users watching the given object
+  def watchers_list(object)
+    object.watcher_users.collect {|u| content_tag('span', link_to_user(u), :class => 'user') }.join(",\n")
+  end
 end