This seems like a good idea but it isn't working out so nicely. If I use
the spix.javaScriptCode proerty on the following javascript fragment:
var prev = 6; var curr = 0; if(arg1 == 0) curr = 5; else curr = prev - 0.4
* arg2; prev = curr; return curr;
the code executes (in a SPARQL window) but doesn't persist the value of
'prev', which was the original need.
If I use the spinx:javaScriptFile on the following (named 'position.js' in
the folder where the SPIN file is located):
function yBoxStart(index, count) {
var prev = 6;
var curr = 0;
if (index == 0) {
curr = 5;
} else {
curr = prev - 0.4 * count;
}
prev = curr;
return curr;
}
Then it doesn't produce any results in the SPARQL window at all. I suspect
that the 'position.js' file cannot be found. I have put it in different
folders and tried a full URL to it with the same [lack of] results. The
documentation goes part way through a full example but leaves out just
enough for me to fail to get it working. Clearly this is the rudimentary of
functions so there must be something very simple that is wrong. I didn't
see anything about the name of the javascript function in the
documentation. Is that maybe related to this problem? Comments?
Jack
On Tuesday, March 10, 2015 at 3:22:50 PM UTC-7, Holger Knublauch wrote:
>
> ui:functionCall is only producing JavaScript source code that would be
> executed client-side. If you want server-side execution of JavaScript
> logic, you could use SPINx
>
> http://spinrdf.org/spinx.html
>
> HTH
> Holger
>
>
> On 3/11/15 7:11 AM, Jack Hodges wrote:
>
> and performs some calculation? I am trying to calculate a display position
> for part of a graphic inside a ui:foreach. The position is based on the
> position of the previous item in the iteration. It is easy enough to write
> a js function that will maintain the variables and their values, and
> calculate the new position, but is using ui:functionCall and appropriate
> way to talk with the function? Thanks,
>
> Jack
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