[TYPO3-calendar] Restrict records for editors in web>list by cal-categories possible?

[Kerstin Finke]

Hi list,

I have some backend-usergroups with activated access control 
("Kalenderzugriffskontrolle aktivieren). Each BE-usergroup has only one 
cal-category.
When a backend-user creates an event, everything seems ok, because he 
can only chose the category of his group.

But: when he wants to edit an event, he has to go over "Web>List" 
(listrecords). There he sees all events of all groups and even can edit 
every event.

Is it possible to restrict the listed events in "Web>List" for editors 
to only the events of the allowed category?

TYPO3 6.2
cal 1.7.0

Greetings
Kerstin