cjgunzel at gmail.com
Tue Dec 22 20:57:32 UTC 2020
Thanks Scott for the advice. I played a little with that but didn't think
about using it in that way. I'll investigate more. I think it is a work
around that should not be necessary but I'll check'er out. Thanks.
On Tue, Dec 22, 2020 at 12:22 PM Scott Palmer <swpalmer at gmail.com> wrote:
> You might consider supplying your own sortPolicy (see sortPolicyProperty
> It could remove your "total" object, call the DEFAULT_SORT_POLICY
> <https://openjfx.io/javadoc/15/javafx.controls/javafx/scene/control/TableView.html#DEFAULT_SORT_POLICY> and
> then add your total object back.
> On Sun, Dec 20, 2020 at 4:50 PM Chuck Davis <cjgunzel at gmail.com> wrote:
>> Thanks guys for the link to the digest.
>> I've looked through a couple of years and find nothing that addresses my
>> interest. As background, I write financial applications and usually when
>> user selects something to display in a table it's because they're
>> interested in the total amount. And it is easy to provide that
>> to them on the initial display.
>> The rub comes when they select a column header or otherwise sort the
>> table. I need, first of all, to eliminate the total object from the model
>> (this is done easily by listening to the onSort property). Then, after
>> sort is complete I need to add the total object back to the model. If I
>> don't eliminate the total object from the model the sort puts it in very
>> strange places..... What I need to know is when the sort is complete so
>> that I can add the total object back into the model and get it displayed.
>> I've been looking at the TableView source and find the following code near
>> the start of the sort() method:
>> SortEvent<TableView<S>> sortEvent = new
>> It seems to me it would be trivial to invent another event type
>> SORT_COMPLETE and emit it at the end of the sort() method to notify the
>> program that the sort has been completed. And that would certainly solve
>> major headache with showing a total amount for financial tables. What I
>> don't know is whether the sort is done on another thread in which case a
>> Future would probably be required to detect the sort completion.
>> If this were implemented we programmers would be able to detect both the
>> start and completion of a sort of the table and proceed accordingly. It
>> would be VERY helpful.
>> Thanks for reading.
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