[development] Form API: AHAH on fields pulled in via AHAH

Brian Vuyk brian at brianvuyk.com
Wed Sep 22 20:29:28 UTC 2010

On 10-09-22 03:56 PM, Brian Vuyk wrote:
> Hi all.
> I am working on modifying a node form to allow a user to progressively 
> select down through a taxonomy tree, and when they have a final term 
> selected, update the advanced view arguments for a view-backed 
> nodereference field.
> I am using AHAH, so that as the user selects a term, the next set of 
> potential sub terms will show, in a somewhat similar fashion to how 
> Taxonomy Select works.
> However, the new select form elements I pull in via AHAH also have 
> ['#ahah'] attributes themselves. As far as I can tell, the AHAH code 
> doesn't seem to trigger for elements that were themselves brought into 
> the form via AHAH.
> According to http://drupal.org/node/337941, you can get an array from 
> drupal_add_js(NULL, NULL, 'header'); which you can in turn pass on to 
> drupal_json() in order to attach the AHAH behaviours to elements 
> pulled in via AHAH. However, I have tried this with no results.
> I would appreciate it very much if someone could take a look, and 
> hopefully tell me where I've gone wrong, or what I have to do to get 
> AHAH to work on the elements I am pulling in. You can view a copy of 
> the module as it current stands at http://drupalbin.com/16170.
> Thanks,
> Brian

Just a side note, it appears that you get a 404 from drupalbin if you 
use the above URL. Try this instead:



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