PanelizerWidget.php in Lightning Layout 8

Namespace

Drupal\lightning_layout\Plugin\Field\FieldWidget

File

src/Plugin/Field/FieldWidget/PanelizerWidget.php

<?php

namespace Drupal\lightning_layout\Plugin\Field\FieldWidget;

use Drupal\Core\Entity\Entity\EntityViewMode;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element;
use Drupal\panelizer\Plugin\Field\FieldWidget\PanelizerWidget as BaseWidget;

/**
 * A Panelizer field widget plugin that supports view mode descriptions.
 */
class PanelizerWidget extends BaseWidget {

  /**
   * {@inheritdoc}
   */
  public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
    $element = parent::formElement($items, $delta, $element, $form, $form_state);
    foreach (Element::children($element) as $i) {
      $item =& $element[$i];

      // If the item is associated with a view mode, display the view mode
      // description if no description is set already.
      if ($item['view_mode']['#value'] && empty($item['default']['#description'])) {
        $view_mode = $items
          ->getEntity()
          ->getEntityTypeId() . '.' . $item['view_mode']['#value'];
        if ($view_mode = EntityViewMode::load($view_mode)) {
          $element[$i]['default']['#description'] = $view_mode
            ->getThirdPartySetting('lightning_core', 'description');
        }
      }
    }
    return $element;
  }

}

Classes

Name	Description
PanelizerWidget	A Panelizer field widget plugin that supports view mode descriptions.