Posted by jdidelet on December 21, 2010 at 8:17am
Hi everyone,
Anyone knows how we can use after_build to modify the value of an nodereference widget field? I would like to overwrite a select field (nodereference widget) and I don't know why.
after_build
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My use case of #after_build
My use case of #after_build in reCAPTCHA module patch: http://edin.no-ip.com/blog/hswong3i/patching-drupal-recaptcha-module-lib.... As your reference:
Index: recaptcha.admin.inc
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/recaptcha/Attic/recaptcha.admin.inc,v
retrieving revision 1.1.2.2
diff -u -p -r1.1.2.2 recaptcha.admin.inc
--- recaptcha.admin.inc 19 May 2010 17:29:37 -0000 1.1.2.2
+++ recaptcha.admin.inc 22 Dec 2010 13:11:06 -0000
@@ -14,6 +14,14 @@ function recaptcha_admin_settings() {
_recaptcha_load_library();
$form = array();
+ $form['recaptcha_library_path'] = array(
+ '#type' => 'textfield',
+ '#title' => t('recaptcha-php library path'),
+ '#default_value' => variable_get('recaptcha_library_path', RECAPTCHA_DEFAULT_LIBRARY_PATH),
+ '#description' => t('The location where recaptcha-php is installed. Relative paths are from the Drupal root directory.'),
+ '#required' => TRUE,
+ '#after_build' => array('_recaptcha_admin_settings_check_library_path'),
+ );
$form['recaptcha_public_key'] = array(
'#type' => 'textfield',
'#title' => t('Public Key'),
@@ -84,3 +92,11 @@ function recaptcha_admin_settings_valida
form_set_error('recaptcha_tabindex', t('The Tab Index must be an integer.'));
}
}
+
+function _recaptcha_admin_settings_check_library_path($form_element) {
+ $library_path = $form_element['#value'];
+ if (!is_dir($library_path) || !(file_exists($library_path .'/recaptchalib.php'))) {
+ form_set_error($form_element['#parents'][0], t('The recaptcha-php files <em>recaptchalib.php</em> could not be found in the %library_path directory.', array('%library_path' => $library_path)));
+ }
+ return $form_element;
+}
Edison Wong
CEO, Co-founder
PantaRei Design Limited
Finally, I founded. I
Finally, I founded. I copy/paste if I can help someone:
function your_module_name_form_alter(&$form, &$form_state, $form_id) {
$form['#after_build'][] = 'your_module_name_your_function';
}
function your_module_name_your_function($form, &$form_state) {
switch ($form['form_id']['#value']) {
case 'the_name_of_your_form':
$form['the_name_of_your_field']['nid']['nid']['#options'] = your_value; //(or your function)
break;
}
return $form;
}
Julien Didelet
Founder
Weblaa.com
api.drupal.org has a great
api.drupal.org has a great reference for all your FAPI questions:
http://api.drupal.org/api/drupal/developer--topics--forms_api_reference....
--
Dave Hansen-Lange
Director of Technical Strategy, Advomatic.com
Pronouns: he/him/his