I've just recently added a onEvent mixin to tapestry-stitch... it sounds
like exactly what you're after
http://tapestry-stitch.uklance.cloudbees.net/oneventdemo
On 26 June 2013 18:14, Ben Titmarsh <ben.titma...@hotmail.co.uk> wrote:
> Hi All,
>
> I am generating ~100 select items in a loop and would like to listen for
> the ajax onChange event for each of these. I am getting the event
> successfully using the following:
>
> <t:zone t:id="gridZone">
> ...
> <t:select t:id="colourProfileOverride"
> t:value="cubeCard.colourCombinationOverride" t:zone="gridZone">
> ...
> </t:zone>
>
> public Object onChangeFromColourProfileOverride() {
> ...
> return gridZone.getBody();
> }
>
> The value is set as expected on the cubeCard.colourCombinationOverride
> object, however in order to know which select was updated I need some sort
> of context value.
>
> I have played around with the jquery/bind mixin and can get it to do what
> I would like but it involves setting bind.callback="function(event,ui,url)
> { url.addContext(event.target.value); } on each of my select components.
> This significantly reduces client side performance.
>
> So I'd like to know if anyone has figured out a way to pass a context
> value in onChange Ajax requests from select components? My ideal situation
> would be to end up with something along these lines:
>
> <t:select t:id="colourProfileOverride"
> t:value="cubeCard.colourCombinationOverride" t:context="myId"
> t:zone="gridZone">
>
> public Object onChangeFromColourProfileOverride(Integer myId) {
> ...
> }
>
> Thanks,
> Ben.
>
