On 11/1/2012 3:46, Jack Hodges wrote:
The SWP user guide says that the content in ui:headIncludes is copied
into the <head> portion of the html when it is constructed. If I refer
to one of the spin constraint variables (e.g. ?resource) in the
javascript, will it be resolved properly in the page? --
Hi Jack,
ui:headIncludes cannot access variables from the element instance, so
even if your SWP element takes arguments they will be unbound in the
ui:headIncludes. This is because the headIncludes are only inserted once
for a page, and many components in the same class hierarchy may share
the same headIncludes by inheritance.
Also note that in order to use SPARQL variables in JavaScript, they are
(of course) not evaluated client-side, but server side. So a typical
scenario is to have something like
<script>
function myFunction(resource) {
doSomething(resource);
}
</script>
in your ui:headIncludes and then use
<script>myFunction('{= ?resource }')</script>
in the ui:prototype to call the static JavaScript code from the head.
This will hopefully address your scenario. If not please provide details.
HTH
Holger
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