I was reading in Graphica Java 2 last night that a calculator is
currently sitting in the javax.swing.pending package, all things there
are being evaluated for a next release. And I think 1.3 will support it.
If what you are talking about is have to behave like a spreadsheet, would
it be possible to add a listener to that JTextField so when focus is
lost, it will compute the current equation and give a result in the box?
-Riyad
Joost Helberg wrote:
> Hi,
>
> I'm developing a system for small IT businesses and I need to enter
> numbers into fields.
>
> Currently I use a JTextField to enter the number into, converting it
> to Integer or Double when needed.
>
> I want to implement a speciliazed version of JTextField which will
> evaluate integer expressions.
>
> So entering
> (3 * 14 + 2) / (5+6)
>
> will display (upon leaving the field)
> 4
>
> Anyone familiar with Open Source Code to (partly) implement this?
>
> Joost Helberg
>
> PS: I don't understand why not all number-entering fields in all
> applications support this. It is so obvious! Applications with a
> pop-up calculator are so improductive!
>
> THANKS in advance
>
> --
> Joost Helberg Unix consultants v v
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[ Riyad Kalla ]
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[ University of Arizona ]
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