[support] Changing checkboxes options during hook_node_validate

Jeff Greenberg listmail.ayendesigns at gmail.com
Thu Feb 12 15:18:34 UTC 2015


Got it to work after all using the method of storing the new options in
$form_state[storage] and then, if it isset during the subsequent hook,
force-feeding the field with the values from the form state.

Thanks very much Dave and Jamie!!

On Wed, Feb 11, 2015 at 2:25 PM, Jamie Holly <hovercrafter at earthlink.net>
wrote:

>  Actually you never really know what is going to happen in validation. So
> many modules can do funky things. A lot of times the multi-step type forms
> handle the rebuild through a submit callback.
>
> There's another option here as well, depending upon the criteria that has
> to be met, and that is using the #states system. You can see an example
> here:
>
>
> http://cgit.drupalcode.org/examples/tree/form_example/form_example_states.inc
>
> Jamie Hollyhttp://hollyit.net
>
> On 2/11/2015 11:58 AM, Metzler, David wrote:
>
>  Actually you should be able to alter the form in the validation function
> yes?  Just change the function signature to pass $form by reference and
> make the changes to the form that you need rather than going through the
> later hook?
>
>
> Dave
>
>
>
> *From:* support-bounces at drupal.org [mailto:support-bounces at drupal.org
> <support-bounces at drupal.org>] *On Behalf Of *Jeff Greenberg
> *Sent:* Wednesday, February 11, 2015 8:45 AM
> *To:* support at drupal.org
> *Subject:* Re: [support] Changing checkboxes options during
> hook_node_validate
>
>
>
> Ok, I've tried that. The last thing I do in hook_node_validate is
> $form_state['rebuild'] = true; What I notice is that
> hook_form_node_form_alter does not fire between then and the form being
> redisplayed, so my pulling the options from $form_state['storage'] never
> happens.
>
>
>
> On Wed, Feb 11, 2015 at 10:57 AM, Jamie Holly <hovercrafter at earthlink.net>
> wrote:
>
> The checkboxes have to be added in the form creation stage, so in either
> hook_form or hook_form_alter. Then in the hook_validate, set a variable on
> $form_state['storage'] and set $form_state['rebuild'] = TRUE; and check in
> your hook_form or hook_form_alter for your $form_state['storage'] setting,
> and if set then add your checkboxes.
>
> I suggest looking at the form_example_wizard in the examples module, as
> that's basically what you are after, even though it's not a typical
> multi-step wizard you are after, the logic is still the same.
>
>  Jamie Holly
>
> http://hollyit.net
>
> On 2/11/2015 10:43 AM, Jeff Greenberg wrote:
>
>  One thing that is either part of the issue, or a separate issue that
> impacts this, is that the checkboxes field is added via hook_form_alter. I
> notice that although the field appears in $form_state[values] it does not
> appear in $form_state[field], so I'm wondering where $form_state gets the
> information for the field when rebuilding the form.
>
>
>
> On Wed, Feb 11, 2015 at 9:31 AM, Jeff Greenberg <
> listmail.ayendesigns at gmail.com> wrote:
>
> I have a node form that contains a checkboxes field with options NULL at
> the time the form is displayed.
>
> During node_validate, if certain criteria is met, an array of options
> (checkboxes) is created, and the form needs to be redisplayed with the
> checkboxes as part of it.
>
> I've tried setting #options = the new array in the $form, in
> $form_state[original_form], etc all to no avail. The field doesn't change.
>
> I also set one checkbox in the field at the start, so that I could find it
> in the $form and $form_state structures, changed where I found it to the
> new options array, and again, no change. I am setting $form_state[rebuild]
> to true, and even tried explicitly calling for the form to be rebuilt.
>
>
>
>
>
> --
>
> ---
>
> drupal.org/user/367108
>
> linkedin.com/in/jeffrgreenberg
>
> accidentalcoder.com / ayendesigns.com
>
> @accidentalcoder
>
>
>
>
>
> --
>
> ---
>
> drupal.org/user/367108
>
> linkedin.com/in/jeffrgreenberg
>
> accidentalcoder.com / ayendesigns.com
>
> @accidentalcoder
>
>
>
>
>
>
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> [ Drupal support list | http://lists.drupal.org/ ]
>
>
>
>
>
> --
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> ---
>
> drupal.org/user/367108
>
> linkedin.com/in/jeffrgreenberg
>
> accidentalcoder.com / ayendesigns.com
>
> @accidentalcoder
>
>
>
>
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> [ Drupal support list | http://lists.drupal.org/ ]
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---
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@accidentalcoder
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