[development] Form altering in ajax

Gordon Heydon gordon at heydon.com.au
Thu Jul 21 15:49:25 UTC 2011


Take a look at the examples project, there is a couple of examples on how to dis this in D7, they are actually quite elegant, and usually only require a very few lines of code to do it.


I think it is example 8,9 that show this.


On 21/07/2011, at 4:31 PM, luca capra wrote:

> Hi all,
> I'm trying to include a form from a module trought a ajax callback on D7 [1].
> Actually I got a button #ajax-ed which load the form in a wrapper on the page.
> The form is altered in callback to make it ajax enabled, specifing #ajax settings plus custom #submit & #validate callback.
> The form loads correctly, but, when submitting, it post the whole page to /system/ajax, on a blank page (or without ajax it post to the correct path but not triggering the custom #submit).
> I've tryed both drupal_get_form and drupal_build_form with custom form_state settings (eg. no_cache, rebuild) to skip/force rebuild of form (and cache).
> Thanks in advance,
> Luca
> [1] http://drupal.org/node/1218474#comment-4744608

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