function DataFieldRow::validateAliasName

Same name in other branches
  1. 9 core/modules/rest/src/Plugin/views/row/DataFieldRow.php \Drupal\rest\Plugin\views\row\DataFieldRow::validateAliasName()
  2. 8.9.x core/modules/rest/src/Plugin/views/row/DataFieldRow.php \Drupal\rest\Plugin\views\row\DataFieldRow::validateAliasName()
  3. 11.x core/modules/rest/src/Plugin/views/row/DataFieldRow.php \Drupal\rest\Plugin\views\row\DataFieldRow::validateAliasName()

Form element validation handler for \Drupal\rest\Plugin\views\row\DataFieldRow::buildOptionsForm().

File

core/modules/rest/src/Plugin/views/row/DataFieldRow.php, line 114

Class

DataFieldRow
Plugin which displays fields as raw data.

Namespace

Drupal\rest\Plugin\views\row

Code

public function validateAliasName($element, FormStateInterface $form_state) {
    if (preg_match('@[^A-Za-z0-9_-]+@', $element['#value'])) {
        $form_state->setError($element, $this->t('The machine-readable name must contain only letters, numbers, dashes and underscores.'));
    }
}

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