[TYPO3-calendar] Show in Legend only categories used this month

[Mario Matzulla]

Hi Patrick,

Am 08.01.13 15:10, schrieb PM:
> Is it possible to show in the legend in month view only the categories
> that are really used by events during this month?
>
> Example:
> There exist 3 categories Cat1,Cat2,Cat3
>
> Jan: Event1->Cat1, Event2->Cat2
> Legend shows Cat1, Cat2
>
> Feb: Event3->Cat1, Event4->Cat3
> Legend shows Cat1,Cat3

Nope, this is not possible with the standard cal extension. But you 
could use a list view and group by category...

Regards,
Mario