show portlet only if there are any notifications

organize/personal/README.txt

@@ -146,9 +146,14 @@ When the notification is marked as read the read timestamp will be set.
 It's possible to store more than one notification concerning the same object.
 
   >>> notifications.add(d001, person, 'I send myself another letter.')
-  >>> len(list(notifications.listTracks()))
+  >>> len(list(notifications.listTracks(unreadOnly=False)))
   2
 
+Only unread notifications are listed by default.
+
+  >>> len(list(notifications.listTracks()))
+  1
+
 User interface
 --------------
 

organize/personal/browser/configurator.py

@@ -30,6 +30,7 @@ from cybertools.browser.configurator import ViewConfigurator, MacroViewProperty
 from cybertools.meta.interfaces import IOptions
 from loops.browser.node import NodeView
 from loops.organize.party import getPersonForUser
+from loops.organize.personal.notification import Notifications
 from loops.util import _
 
 
@@ -105,6 +106,8 @@ class PortletConfigurator(ViewConfigurator):
         notif = self.view.globalOptions.organize.showNotifications
         if not notif:
             return []
+        if not Notifications(self.person).listTracks(unreadOnly=False):
+            return []
         if isinstance(notif, list):
             notifPage = notif[0]
         else:

organize/personal/notification.py

@@ -33,7 +33,7 @@ class Notifications(Favorites):
         self.context = (baseObject(person).
                             getLoopsRoot().getRecordManager()['favorites'])
 
-    def listTracks(self, unreadOnly=False):
+    def listTracks(self, unreadOnly=True):
         tracks = super(Notifications, self).listTracks(
                         baseObject(self.person), type='notification')
         if unreadOnly: