function DbtngExampleUpdateForm::updateCallback
Same name in other branches
- 8.x-1.x dbtng_example/src/Form/DbtngExampleUpdateForm.php \Drupal\dbtng_example\Form\DbtngExampleUpdateForm::updateCallback()
- 4.0.x modules/dbtng_example/src/Form/DbtngExampleUpdateForm.php \Drupal\dbtng_example\Form\DbtngExampleUpdateForm::updateCallback()
AJAX callback handler for the pid select.
When the pid changes, populates the defaults from the database in the form.
File
-
modules/
dbtng_example/ src/ Form/ DbtngExampleUpdateForm.php, line 136
Class
- DbtngExampleUpdateForm
- Sample UI to update a record.
Namespace
Drupal\dbtng_example\FormCode
public function updateCallback(array $form, FormStateInterface $form_state) {
// Gather the DB results from $form_state.
$entries = $form_state->getValue('entries');
// Use the specific entry for this $form_state.
$entry = $entries[$form_state->getValue('pid')];
// Setting the #value of items is the only way I was able to figure out
// to get replaced defaults on these items. #default_value will not do it
// and shouldn't.
foreach ([
'name',
'surname',
'age',
] as $item) {
$form[$item]['#value'] = $entry->{$item};
}
return $form;
}