class RenderElementHelper in Drupal 8

Provides functionality to process render elements.

Hierarchy

• class \Drupal\inline_form_errors\RenderElementHelper

1 file declares its use of RenderElementHelper

inline_form_errors.module in core/modules/inline_form_errors/inline_form_errors.module

Enables inline form errors.

File

core/modules/inline_form_errors/src/RenderElementHelper.php, line 10

Namespace

Drupal\inline_form_errors

class RenderElementHelper {

  /**
   * Alters the element type info.
   *
   * @param array $info
   *   An associative array with structure identical to that of the return value
   *   of \Drupal\Core\Render\ElementInfoManagerInterface::getInfo().
   */
  public function alterElementInfo(array &$info) {
    foreach ($info as $element_type => $element_info) {
      $info[$element_type]['#process'][] = [
        static::class,
        'processElement',
      ];
    }
  }

  /**
   * Process all render elements.
   *
   * @param array $element
   *   An associative array containing the properties and children of the
   *   element. Note that $element must be taken by reference here, so processed
   *   child elements are taken over into $form_state.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   * @param array $complete_form
   *   The complete form structure.
   *
   * @return array
   *   The processed element.
   */
  public static function processElement(array &$element, FormStateInterface $form_state, array &$complete_form) {

    // Prevent displaying inline form errors when disabled for the whole form.
    if (!empty($complete_form['#disable_inline_form_errors'])) {
      $element['#error_no_message'] = TRUE;
    }
    return $element;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
RenderElementHelper::alterElementInfo	public	function	Alters the element type info.
RenderElementHelper::processElement	public static	function	Process all render elements.