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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Render\Element\Email. | |
| */ | |
| namespace Drupal\Core\Render\Element; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Render\Element; | |
| /** | |
| * Provides a form input element for entering an email address. | |
| * | |
| * Properties: | |
| * - #default_value: An RFC-compliant email address. | |
| * | |
| * Example usage: | |
| * @code | |
| * $form['email'] = array( | |
| * '#type' => 'email', | |
| * '#title' => t('Email'), | |
| * ); | |
| * @end | |
| * | |
| * @see \Drupal\Core\Render\Element\Render\Textfield | |
| * | |
| * @FormElement("email") | |
| */ | |
| class Email extends FormElement { | |
| /** | |
| * Defines the max length for an email address | |
| * | |
| * The maximum length of an email address is 254 characters. RFC 3696 | |
| * specifies a total length of 320 characters, but mentions that | |
| * addresses longer than 256 characters are not normally useful. Erratum | |
| * 1690 was then released which corrected this value to 254 characters. | |
| * @see http://tools.ietf.org/html/rfc3696#section-3 | |
| * @see http://www.rfc-editor.org/errata_search.php?rfc=3696&eid=1690 | |
| */ | |
| const EMAIL_MAX_LENGTH = 254; | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getInfo() { | |
| $class = get_class($this); | |
| return array( | |
| '#input' => TRUE, | |
| '#size' => 60, | |
| '#maxlength' => self::EMAIL_MAX_LENGTH, | |
| '#autocomplete_route_name' => FALSE, | |
| '#process' => array( | |
| array($class, 'processAutocomplete'), | |
| array($class, 'processAjaxForm'), | |
| array($class, 'processPattern'), | |
| ), | |
| '#element_validate' => array( | |
| array($class, 'validateEmail'), | |
| ), | |
| '#pre_render' => array( | |
| array($class, 'preRenderEmail'), | |
| ), | |
| '#theme' => 'input__email', | |
| '#theme_wrappers' => array('form_element'), | |
| ); | |
| } | |
| /** | |
| * Form element validation handler for #type 'email'. | |
| * | |
| * Note that #maxlength and #required is validated by _form_validate() already. | |
| */ | |
| public static function validateEmail(&$element, FormStateInterface $form_state, &$complete_form) { | |
| $value = trim($element['#value']); | |
| $form_state->setValueForElement($element, $value); | |
| if ($value !== '' && !\Drupal::service('email.validator')->isValid($value)) { | |
| $form_state->setError($element, t('The email address %mail is not valid.', array('%mail' => $value))); | |
| } | |
| } | |
| /** | |
| * Prepares a #type 'email' render element for input.html.twig. | |
| * | |
| * @param array $element | |
| * An associative array containing the properties of the element. | |
| * Properties used: #title, #value, #description, #size, #maxlength, | |
| * #placeholder, #required, #attributes. | |
| * | |
| * @return array | |
| * The $element with prepared variables ready for input.html.twig. | |
| */ | |
| public static function preRenderEmail($element) { | |
| $element['#attributes']['type'] = 'email'; | |
| Element::setAttributes($element, array('id', 'name', 'value', 'size', 'maxlength', 'placeholder')); | |
| static::setAttributes($element, array('form-email')); | |
| return $element; | |
| } | |
| } |