Is these (both the INSERT and the SELECT something that would be embedded
inside my SWP forEach? Even if it is its going to be messy and ugly. Can I
take the ui:update block and the other code and put them into SPIN
functions or magic properties to unclutter the SWP? So far it isn't
working...
Its just sad that there isn't a clean (this is hardly what I'd call clean)
mechanism to persist a variable value in the same context you mentioned for
ui:tempGraph. That is, within the scope of the SWP construction.
Jack
On Thursday, March 12, 2015 at 4:16:22 PM UTC-7, Holger Knublauch wrote:
>
> I don't think SPINX would be helping you, even with a stand-alone file -
> each invocation of such a SPIN function would get its own JavaScript
> engine, and all intermediate values will be lost.
>
> Your computation below looks like easily done in SPARQL. All you need to
> do is remember the intermediate values in a graph such as ui:tempGraph.
>
> Holger
>
>
> On 3/13/15 8:24 AM, Jack Hodges wrote:
>
> 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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