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- <?php
- namespace Drupal\Core\Render\Element;
- use Drupal\Core\Form\FormStateInterface;
- use Drupal\Core\Render\Element;
- /**
- * Provides a form element for entering a password, with hidden text.
- *
- * Properties:
- * - #size: The size of the input element in characters.
- * - #pattern: A string for the native HTML5 pattern attribute.
- *
- * Usage example:
- * @code
- * $form['pass'] = array(
- * '#type' => 'password',
- * '#title' => $this->t('Password'),
- * '#size' => 25,
- * '#pattern' => '[01]+',
- * );
- * @endcode
- *
- * @see \Drupal\Core\Render\Element\PasswordConfirm
- * @see \Drupal\Core\Render\Element\Textfield
- *
- * @FormElement("password")
- */
- class Password extends FormElement {
- /**
- * {@inheritdoc}
- */
- public function getInfo() {
- $class = get_class($this);
- return [
- '#input' => TRUE,
- '#size' => 60,
- '#maxlength' => 128,
- '#process' => [
- [$class, 'processAjaxForm'],
- [$class, 'processPattern'],
- ],
- '#pre_render' => [
- [$class, 'preRenderPassword'],
- ],
- '#theme' => 'input__password',
- '#theme_wrappers' => ['form_element'],
- ];
- }
- /**
- * Prepares a #type 'password' 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 $element with prepared variables ready for input.html.twig.
- */
- public static function preRenderPassword($element) {
- $element['#attributes']['type'] = 'password';
- Element::setAttributes($element, ['id', 'name', 'size', 'maxlength', 'placeholder']);
- static::setAttributes($element, ['form-text']);
- return $element;
- }
- /**
- * {@inheritdoc}
- */
- public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
- if ($input !== FALSE && $input !== NULL) {
- // This should be a string, but allow other scalars since they might be
- // valid input in programmatic form submissions.
- return is_scalar($input) ? (string) $input : '';
- }
- return NULL;
- }
- }
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