diff --git a/UI/Scheduler/UIxAppointmentEditor.m b/UI/Scheduler/UIxAppointmentEditor.m
index c9fad63ab..be2f8421a 100644
--- a/UI/Scheduler/UIxAppointmentEditor.m
+++ b/UI/Scheduler/UIxAppointmentEditor.m
@@ -548,6 +548,7 @@
  * @apiSuccess (Success 200) {String} endDate                 End date (ISO8601)
  * @apiSuccess (Success 200) {String} localizedEndDate        Formatted end date
  * @apiSuccess (Success 200) {String} [localizedEndTime]      Formatted end time
+ * @apiSuccess (Success 200) {Number} isReadOnly              1 if event is read-only
  *
  * From [iCalEvent+SOGo attributes]
  *
@@ -669,6 +670,7 @@
                          [co nameInContainer], @"id",
                        [componentCalendar nameInContainer], @"pid",
                        [componentCalendar displayName], @"calendar",
+                       [NSNumber numberWithBool: [self isReadOnly]], @"isReadOnly",
                        [dateFormatter formattedDate: eventStartDate], @"localizedStartDate",
                        [dateFormatter formattedDate: eventEndDate], @"localizedEndDate",
                        nil];
diff --git a/UI/Scheduler/UIxComponentEditor.h b/UI/Scheduler/UIxComponentEditor.h
index 5ce3d5855..a9744ef30 100644
--- a/UI/Scheduler/UIxComponentEditor.h
+++ b/UI/Scheduler/UIxComponentEditor.h
@@ -29,10 +29,12 @@
 
 @interface UIxComponentEditor : UIxComponent
 {
+  id item;
   iCalRepeatableEntityObject *component;
   SOGoAppointmentFolder *componentCalendar;
 }
 
+- (BOOL) isReadOnly;
 - (void) setAttributes: (NSDictionary *) attributes;
 
 + (NSArray *) reminderValues;
diff --git a/UI/Scheduler/UIxComponentEditor.m b/UI/Scheduler/UIxComponentEditor.m
index 81fff249b..9de1eb26f 100644
--- a/UI/Scheduler/UIxComponentEditor.m
+++ b/UI/Scheduler/UIxComponentEditor.m
@@ -714,93 +714,92 @@ static NSArray *reminderValues = nil;
 //
 //  return toolbarFilename;
 //}
-//
-//
-//- (int) ownerIsAttendee: (SOGoUser *) ownerUser
-//        andClientObject: (SOGoContentObject
-//                          <SOGoComponentOccurence> *) clientObject
-//{
-//  BOOL isOrganizer;
-//  iCalPerson *ownerAttendee;
-//  int rc;
-//
-//  rc = 0;
-//
-//  isOrganizer = [component userIsOrganizer: ownerUser];
-//  if (isOrganizer)
-//    isOrganizer = ![ownerUser hasEmail: [[component organizer] sentBy]];
-//
-//  if (!isOrganizer && ![[component tag] isEqualToString: @"VTODO"])
-//    {
-//      ownerAttendee = [component userAsAttendee: ownerUser];
-//      if (ownerAttendee)
-//        rc = 1;
-//    }
-//
-//  return rc;
-//}
-//
-//- (int) delegateIsAttendee: (SOGoUser *) ownerUser
-//           andClientObject: (SOGoContentObject
-//                             <SOGoComponentOccurence> *) clientObject
-//{
-//  SoSecurityManager *sm;
-//  iCalPerson *ownerAttendee;
-//  int rc;
-//
-//  rc = 0;
-//
-//  sm = [SoSecurityManager sharedSecurityManager];
-//  if (![sm validatePermission: SOGoCalendarPerm_ModifyComponent
-//                     onObject: clientObject
-//                    inContext: context])
-//    rc = [self ownerIsAttendee: ownerUser
-//               andClientObject: clientObject];
-//  else if (![sm validatePermission: SOGoCalendarPerm_RespondToComponent
-//                          onObject: clientObject
-//                         inContext: context])
-//    {
-//      ownerAttendee = [component userAsAttendee: ownerUser];
-//      if ([[ownerAttendee rsvp] isEqualToString: @"true"]
-//          && ![component userIsOrganizer: ownerUser])
-//        rc = 1;
-//      else
-//        rc = 2;
-//    }
-//  else
-//    rc = 2; // not invited, just RO
-//
-//  return rc;
-//}
-//
-//- (int) getEventRWType
-//{
-//  SOGoContentObject <SOGoComponentOccurence> *clientObject;
-//  SOGoUser *ownerUser;
-//  int rc;
-//
-//  clientObject = [self clientObject];
-//  ownerUser
-//    = [SOGoUser userWithLogin: [clientObject ownerInContext: context]];
-//  if ([componentCalendar isKindOfClass: [SOGoWebAppointmentFolder class]])
-//    rc = 2;
-//  else
-//    {
-//      if ([ownerUser isEqual: [context activeUser]])
-//        rc = [self ownerIsAttendee: ownerUser
-//                   andClientObject: clientObject];
-//      else
-//        rc = [self delegateIsAttendee: ownerUser
-//                      andClientObject: clientObject];
-//    }
-//
-//  return rc;
-//}
-//
-//- (BOOL) eventIsReadOnly
-//{
-//  return [self getEventRWType] != 0;
-//}
+
+
+- (int) ownerIsAttendee: (SOGoUser *) ownerUser
+       andClientObject: (SOGoContentObject
+                         <SOGoComponentOccurence> *) clientObject
+{
+ BOOL isOrganizer;
+ iCalPerson *ownerAttendee;
+ int rc;
+
+ rc = 0;
+
+ isOrganizer = [component userIsOrganizer: ownerUser];
+ if (isOrganizer)
+   isOrganizer = ![ownerUser hasEmail: [[component organizer] sentBy]];
+
+ if (!isOrganizer && ![[component tag] isEqualToString: @"VTODO"])
+   {
+     ownerAttendee = [component userAsAttendee: ownerUser];
+     if (ownerAttendee)
+       rc = 1;
+   }
+
+ return rc;
+}
+
+- (int) delegateIsAttendee: (SOGoUser *) ownerUser
+          andClientObject: (SOGoContentObject
+                            <SOGoComponentOccurence> *) clientObject
+{
+ SoSecurityManager *sm;
+ iCalPerson *ownerAttendee;
+ int rc;
+
+ rc = 0;
+
+ sm = [SoSecurityManager sharedSecurityManager];
+ if (![sm validatePermission: SOGoCalendarPerm_ModifyComponent
+                    onObject: clientObject
+                   inContext: context])
+   rc = [self ownerIsAttendee: ownerUser
+              andClientObject: clientObject];
+ else if (![sm validatePermission: SOGoCalendarPerm_RespondToComponent
+                         onObject: clientObject
+                        inContext: context])
+   {
+     ownerAttendee = [component userAsAttendee: ownerUser];
+     if ([[ownerAttendee rsvp] isEqualToString: @"true"]
+         && ![component userIsOrganizer: ownerUser])
+       rc = 1;
+     else
+       rc = 2;
+   }
+ else
+   rc = 2; // not invited, just RO
+
+ return rc;
+}
+
+- (int) getEventRWType
+{
+ SOGoContentObject <SOGoComponentOccurence> *clientObject;
+ SOGoUser *ownerUser;
+ int rc;
+
+ clientObject = [self clientObject];
+ ownerUser = [SOGoUser userWithLogin: [clientObject ownerInContext: context]];
+ if ([componentCalendar isKindOfClass: [SOGoWebAppointmentFolder class]])
+   rc = 2;
+ else
+   {
+     if ([ownerUser isEqual: [context activeUser]])
+       rc = [self ownerIsAttendee: ownerUser
+                  andClientObject: clientObject];
+     else
+       rc = [self delegateIsAttendee: ownerUser
+                     andClientObject: clientObject];
+   }
+
+ return rc;
+}
+
+- (BOOL) isReadOnly
+{
+ return [self getEventRWType] != 0;
+}
 //
 //- (NSString *) emailAlarmsEnabled
 //{
diff --git a/UI/Scheduler/UIxTaskEditor.m b/UI/Scheduler/UIxTaskEditor.m
index c3c74a445..75aa6e507 100644
--- a/UI/Scheduler/UIxTaskEditor.m
+++ b/UI/Scheduler/UIxTaskEditor.m
@@ -402,6 +402,7 @@
  * @apiSuccess (Success 200) {String} completedTime           Formatted completed time
  * @apiSuccess (Success 200) {String} status                  Status (needs-action, in-process, completed, or cancelled)
  * @apiSuccess (Success 200) {Number} percentComplete         Percent completion
+ * @apiSuccess (Success 200) {Number} isReadOnly              1 if task is read-only
  *
  * From [iCalEntityObject+SOGo attributes]
  *
@@ -519,6 +520,7 @@
                          [co nameInContainer], @"id",
                        [thisFolder nameInContainer], @"pid",
                        [thisFolder displayName], @"calendar",
+                       [NSNumber numberWithBool: [self isReadOnly]], @"isReadOnly",
 		       nil];
 
   if (startDate)