class FormTestLimitValidationErrorsForm in Drupal 9

Builds a simple form with a button triggering partial validation.

@internal

Hierarchy

• class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
  • class \Drupal\form_test\Form\FormTestLimitValidationErrorsForm

1 string reference to 'FormTestLimitValidationErrorsForm'

form_test.routing.yml in core/modules/system/tests/modules/form_test/form_test.routing.yml

core/modules/system/tests/modules/form_test/form_test.routing.yml

File

core/modules/system/tests/modules/form_test/src/Form/FormTestLimitValidationErrorsForm.php, line 13

Namespace

Drupal\form_test\Form

class FormTestLimitValidationErrorsForm extends FormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'form_test_limit_validation_errors_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['title'] = [
      '#type' => 'textfield',
      '#title' => 'Title',
      '#required' => TRUE,
    ];
    $form['test'] = [
      '#title' => 'Test',
      '#type' => 'textfield',
      '#element_validate' => [
        '::elementValidateLimitValidationErrors',
      ],
    ];
    $form['test_numeric_index'] = [
      '#tree' => TRUE,
    ];
    $form['test_numeric_index'][0] = [
      '#title' => 'Test (numeric index)',
      '#type' => 'textfield',
      '#element_validate' => [
        '::elementValidateLimitValidationErrors',
      ],
    ];
    $form['test_substring'] = [
      '#tree' => TRUE,
    ];
    $form['test_substring']['foo'] = [
      '#title' => 'Test (substring) foo',
      '#type' => 'textfield',
      '#element_validate' => [
        '::elementValidateLimitValidationErrors',
      ],
    ];
    $form['test_substring']['foobar'] = [
      '#title' => 'Test (substring) foobar',
      '#type' => 'textfield',
      '#element_validate' => [
        '::elementValidateLimitValidationErrors',
      ],
    ];
    $form['actions']['partial'] = [
      '#type' => 'submit',
      '#limit_validation_errors' => [
        [
          'test',
        ],
      ],
      '#submit' => [
        '::partialSubmitForm',
      ],
      '#value' => t('Partial validate'),
    ];
    $form['actions']['partial_numeric_index'] = [
      '#type' => 'submit',
      '#limit_validation_errors' => [
        [
          'test_numeric_index',
          0,
        ],
      ],
      '#submit' => [
        '::partialSubmitForm',
      ],
      '#value' => t('Partial validate (numeric index)'),
    ];
    $form['actions']['substring'] = [
      '#type' => 'submit',
      '#limit_validation_errors' => [
        [
          'test_substring',
          'foo',
        ],
      ],
      '#submit' => [
        '::partialSubmitForm',
      ],
      '#value' => t('Partial validate (substring)'),
    ];
    $form['actions']['full'] = [
      '#type' => 'submit',
      '#value' => t('Full validate'),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function elementValidateLimitValidationErrors($element, FormStateInterface $form_state) {
    if ($element['#value'] == 'invalid') {
      $form_state
        ->setError($element, t('@label element is invalid', [
        '@label' => $element['#title'],
      ]));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
  }

  /**
   * {@inheritdoc}
   */
  public function partialSubmitForm(array &$form, FormStateInterface $form_state) {

    // The title has not been validated, thus its value - in case of the test case
    // an empty string - may not be set.
    if (!$form_state
      ->hasValue('title') && $form_state
      ->hasValue('test')) {
      $this
        ->messenger()
        ->addStatus('Only validated values appear in the form values.');
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
FormBase::$configFactory	protected	property	The config factory.	3
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	3
FormBase::container	private	function	Returns the service container.
FormBase::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	105
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route.
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
FormBase::validateForm	public	function	Form validation handler. Overrides FormInterface::validateForm	72
FormTestLimitValidationErrorsForm::buildForm	public	function	Form constructor. Overrides FormInterface::buildForm
FormTestLimitValidationErrorsForm::elementValidateLimitValidationErrors	public	function
FormTestLimitValidationErrorsForm::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId
FormTestLimitValidationErrorsForm::partialSubmitForm	public	function
FormTestLimitValidationErrorsForm::submitForm	public	function	Form submission handler. Overrides FormInterface::submitForm
LoggerChannelTrait::$loggerFactory	protected	property	The logger channel factory service.
LoggerChannelTrait::getLogger	protected	function	Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory	public	function	Injects the logger channel factory.
MessengerTrait::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.	1
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.	4
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.