Scroll events fired in TableView although there is nothing to scroll
swpalmer at gmail.com
Sat Jan 24 20:33:10 UTC 2015
You are probably only seeing the event when the TableView's internal ScrollPane doesn't consume it.
> On Jan 24, 2015, at 11:50 AM, Robert Krüger <krueger at lesspain.de> wrote:
> yes, I just now realized that setOnScroll is Node API and not TableView so
> I obviously sent my Mail too early.
> Sorry about the noise.
> Another observation, though: The onscroll-eventhandler is not called when
> the tableview actually does scroll. It does fire again, when I reach one
> end of the data and keep using scroll gestures. Interesting but irrelevant
> for my case.
> Thanks for your response,
> On Sat, Jan 24, 2015 at 4:17 PM, Tom Schindl <tom.schindl at bestsolution.at>
>> [sorry sent the other mail too early]
>> I don't really see why you need to know about this all view classes are
>> virtual so a TableCell, ListCell is only requested when shown - and then
>> IIRC this virtuallity is row based only but the otn request also only
>> talks about rows.
>> One more note on the onScroll which has nothing todo with the scrollbars
>> - it simply tells you that:
>> a) someone used the scrollwheel on the mouse
>> b) used the scroll gesture eg on the touch pad
>> So I think you did not really get what onScroll is doing.
>>> On 24.01.15 14:15, Robert Krüger wrote:
>>> I am a bit surprised by the behaviour of the onScroll event handling of
>>> TableView. I just printed the events I received there to standard out and
>>> although the table does not display any scrollbars because it is large
>>> enough to fit all content into it, I receive events as if it were
>>> (even with the physics/inertia I would expect from a scrollbar, i.e. it
>>> takes a while after the scroll gesture for the events to stop firing).
>>> As an API user I would never have expected this. This makes me wonder how
>>> useful the event handler is in the first place as I cannot use it to see
>>> there is actually any scrolling going on in the table. How do I do that?
>>> This is somewhat related to a post on OTN (
>>> https://community.oracle.com/message/12810930#12810930) if anyone wants
>>> know what the broader context of this is.
>>> Best regards,
>> Thomas Schindl, CTO
>> BestSolution.at EDV Systemhaus GmbH
>> Eduard-Bodem-Gasse 5-7, A-6020 Innsbruck
>> Reg. Nr. FN 222302s am Firmenbuchgericht Innsbruck
> Robert Krüger
> Managing Partner
> Lesspain GmbH & Co. KG
More information about the openjfx-dev