Automatically changing parameter field dimension based on Slicer Selection

I hacked together a functioning solution. It is not optimal but solves this concrete task.

I did it by creating a table called DateAxisSwitch:

Modifying my DateAxis:

And connecting the Year column of DateAxisSwitch table to my Calendar and DateAxisKey with DateAxisOrder of DateAxis.

Now it looks like this without a year selected: 

And this with: