JSpinner + SpinnerDateModel not working as expected

Hi,

I want to perform a supposedly simple (?) task:
I need the client to select a timespan in which a certain taks is to be performed. Therefore, I have create 4 JSpinners with SpinnerDateModelS, in order to let the user select a start date, a start time, an end date and an end time.

Of course, I want the Spinners to roll the date according to its displayed granularity, e.g. in the date fields by DAY_OF_MONTH and in the time fields by MINUTE.

However, regardless to which value I set the calendarField attribute of the SpinnerDateModelS, when spinning the dates/times with the spinners, the unit is always DAY_OF_MONTH.

If I manually check the amount of change performed by getPreviousValue() and getNextValue() (which I suppose are called when someone spins the field?!), then the amount of change is correct (that means as indicated by calendarField).

How come? Where is the logic in having a field to specify the amount of change of one spin, when it is simply ignored when I actually spin the field? Ain't the getPreviousValue() and getNextValue() called by the JSpinner change listeners?

Thanks,
Matthias
.

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