function Callbacks::validateName
Same name in other branches
- 8.9.x core/modules/system/tests/modules/form_test/src/Callbacks.php \Drupal\form_test\Callbacks::validateName()
- 10 core/modules/system/tests/modules/form_test/src/Callbacks.php \Drupal\form_test\Callbacks::validateName()
- 11.x core/modules/system/tests/modules/form_test/src/Callbacks.php \Drupal\form_test\Callbacks::validateName()
Form element validation handler for 'name' in form_test_validate_form().
File
-
core/
modules/ system/ tests/ modules/ form_test/ src/ Callbacks.php, line 15
Class
- Callbacks
- Simple class for testing methods as Form API callbacks.
Namespace
Drupal\form_testCode
public function validateName(&$element, FormStateInterface $form_state) {
$triggered = FALSE;
if ($form_state->getValue('name') == 'element_validate') {
// Alter the form element.
$element['#value'] = '#value changed by #element_validate';
// Alter the submitted value in $form_state.
$form_state->setValueForElement($element, 'value changed by setValueForElement() in #element_validate');
$triggered = TRUE;
}
if ($form_state->getValue('name') == 'element_validate_access') {
$form_state->set('form_test_name', $form_state->getValue('name'));
// Alter the form element.
$element['#access'] = FALSE;
$triggered = TRUE;
}
elseif ($form_state->has('form_test_name')) {
// To simplify this test, just take over the element's value into $form_state.
$form_state->setValueForElement($element, $form_state->get('form_test_name'));
$triggered = TRUE;
}
if ($triggered) {
// Output the element's value from $form_state.
\Drupal::messenger()->addStatus(t('@label value: @value', [
'@label' => $element['#title'],
'@value' => $form_state->getValue('name'),
]));
// Trigger a form validation error to see our changes.
$form_state->setErrorByName('');
}
}
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