diff app/helpers/.svn/text-base/watchers_helper.rb.svn-base @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/helpers/.svn/text-base/watchers_helper.rb.svn-base	Fri Jul 23 15:52:44 2010 +0100
@@ -0,0 +1,69 @@
+# redMine - project management software
+# Copyright (C) 2006-2007  Jean-Philippe Lang
+#
+# 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 WatchersHelper
+
+  # Valid options
+  # * :id - the element id
+  # * :replace - a string or array of element ids that will be
+  #   replaced
+  def watcher_tag(object, user, options={:replace => 'watcher'})
+    id = options[:id]
+    id ||= options[:replace] if options[:replace].is_a? String
+    content_tag("span", watcher_link(object, user, options), :id => id)
+  end
+  
+  # Valid options
+  # * :replace - a string or array of element ids that will be
+  #   replaced
+  def watcher_link(object, user, options={:replace => 'watcher'})
+    return '' unless user && user.logged? && object.respond_to?('watched_by?')
+    watched = object.watched_by?(user)
+    url = {:controller => 'watchers',
+           :action => (watched ? 'unwatch' : 'watch'),
+           :object_type => object.class.to_s.underscore,
+           :object_id => object.id,
+           :replace => options[:replace]}
+    link_to_remote((watched ? l(:button_unwatch) : l(:button_watch)),
+                   {:url => url},
+                   :href => url_for(url),
+                   :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)
+    remove_allowed = User.current.allowed_to?("delete_#{object.class.name.underscore}_watchers".to_sym, object.project)
+    lis = object.watcher_users.collect do |user|
+      s = avatar(user, :size => "16").to_s + link_to_user(user, :class => 'user').to_s
+      if remove_allowed
+        url = {:controller => 'watchers',
+               :action => 'destroy',
+               :object_type => object.class.to_s.underscore,
+               :object_id => object.id,
+               :user_id => user}
+        s += ' ' + link_to_remote(image_tag('delete.png'),
+                                  {:url => url},
+                                  :href => url_for(url),
+                                  :style => "vertical-align: middle",
+                                  :class => "delete")
+      end
+      "<li>#{ s }</li>"
+    end
+    lis.empty? ? "" : "<ul>#{ lis.join("\n") }</ul>"
+  end
+end