[development] resetting a form

Si Hobbs simon at hobbs.id.au
Wed Mar 7 01:26:52 UTC 2012

Oh yes, I'm talking about Drupal 7. I used to do all this with ctools
in Drupal 6.

Yes it works if I clean up the $form_state['values']. It feels a
little weird but thanks heaps for that.


On 7 March 2012 12:12, David Metzler <metzler.dl at gmail.com> wrote:
> Tools are substantially different for the based on drupal 6 vs. 7.   Could you specify the version?
> Is there a reason not to simply alter $form_state['values'] as part of your submit handler?   I would've done it the other way around.  Imbed the thank you message in the form as a markup item, rather than trying to put it outside of the form.
> On Mar 6, 2012, at 4:57 PM, Si Hobbs wrote:
>> Hi
>> I am doing an ajax callback, and I want to return a fresh version of a
>> form as content. This is after the form has successfully submitted.
>> So instead of something like:
>>  return 'Thanks for your submission';
>> Which works, I want to do:
>>  return 'Thanks for your submission' . drupal_render(drupal_get_form('foo'));
>> However when I get that that form, it is not fresh. The form system
>> reprocesses the form, re-runs the submit handler, and returns a form
>> with the $form_state['values'] all populated.
>> So, I've been trying to work out how to reset the form. For example,
>> this sort of thing doesn't successfully clear the form:
>>    cache_clear_all('form_' . $form_state['values']['form_build_id'],
>> 'cache_form');
>>    cache_clear_all('form_state_' .
>> $form_state['values']['form_build_id'], 'cache_form');
>>    drupal_static_reset('drupal_retrieve_form');
>> Thanks for any tips.
>> Simon

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