[libreoffice-users] Re: What's syntax of xforms Edit Element Constraint Condition?

On 10/12/13 09:45, Larry Evans wrote:
> I'm using LibreOffice 3.5.7.2 with Build ID: 350m1(Build:2) running on
> ubuntu:
>
> ~/temp $ uname -a
> Linux evansl-Inspiron-531 3.2.0-54-generic #82-Ubuntu SMP Tue Sep 10
> 20:08:42 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
>
> When creating an XML Form Document, I'm having trouble using the
> editor for my instance data.  The interface looked about like the
> following:
>
> Element ---------------
>   Name           [Tax]
>   Default Value  [.01]
> Settings --------------
> Data Type       [Floating point]
> [ ] Required    [Condition]
> [ ] Relevant    [Condition]
> [ ] Constraint  [Condition]
> [ ] Read-only   [Condition]
> [ ] Calculate   [Condition]
>
> I checked the Constraint row, expecting that when I then
> clicked on the [Condition] button, I would be able to provide
> some expression, such as:
>
>    0 < Tax
>
> However, when I started to enter this, I got as far as:
>
>    0 <
>
> and the message:
>
>    Error during evaluation
>
> appeared in the Result window.  When I completed the entry to arrive
> at:
>
>    0 < Tax
>
> the message:
>
>    False
>
> appeared in the Result window.  So, I just tried:
>
>    Tax
>
> and got a blank Result window.
>
> What sort of expression is expected in the Condition window?
> The help button just sent me to:
>
>    _Condition_
>
>    Enter a condition
>
>    _Result_
>
>    Displays a preview of the result
>
> which wasn't any help.
>
> Thanks for any help.
>
> -regards,
> Larry
The links on page 25 of:


https://wiki.documentfoundation.org/images/e/e3/WG4015-UsingFormsInWriter.pdf

are being a big help.

Other's might find them useful.

-Larry



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