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

[PM]

Am 12.01.2013 11:17, schrieb Mario Matzulla:
> Hi Patrick,
>
> Am 11.01.13 11:30, schrieb PM:
>> Hi Mario
>>
>> Am 10.01.2013 18:14, schrieb Mario Matzulla:
>>> Hi Patrick,
>>>>
>>> I see what you intend to do. And I think the module__marker described in
>>> the other thread is what you are looking for: a custom way to configure
>>> the category and calendar legend :)
>>
>> Is there also a function that returns all the categories of events of
>> the current month (or of any other defined period of time) ?
>
> Nope, else it would be easy ;)
> I guess you have to walk through all events of the master_array and get
> their categories.
>
> Regards,
> Mario
>
> BTW: if you place the module__marker inside the day,week or month
> template you should get the corresponding view object, which extends the
> base_view, which has all you need: $this->master_array and the
> getCategorySelectionTree function.
>
>>
>>>
>>> Regards,
>>> Mario

Okay found the events in the master_array. But I only need the events of 
the month thats currently selected.
So to choose these events I have to know which month the user currently 
has selected.
But I didn't find the selected month in the master_array.
Can you tell me how I can get it?