Contains \Drupal\entity_reference\Plugin\field\formatter\EntityReferenceEntityFormatter.
<?php /** * @file * Contains \Drupal\entity_reference\Plugin\field\formatter\EntityReferenceEntityFormatter. */ namespace Drupal\entity_reference\Plugin\field\formatter; use Drupal\field\Annotation\FieldFormatter; use Drupal\Core\Annotation\Translation; use Drupal\Core\Entity\EntityInterface; use Drupal\entity_reference\RecursiveRenderingException; use Drupal\entity_reference\Plugin\field\formatter\EntityReferenceFormatterBase; /** * Plugin implementation of the 'entity reference rendered entity' formatter. * * @FieldFormatter( * id = "entity_reference_entity_view", * module = "entity_reference", * label = @Translation("Rendered entity"), * description = @Translation("Display the referenced entities rendered by entity_view()."), * field_types = { * "entity_reference" * }, * settings = { * "view_mode" = "", * "link" = FALSE * } * ) */ class EntityReferenceEntityFormatter extends EntityReferenceFormatterBase { /** * {@inheritdoc} */ public function settingsForm(array $form, array &$form_state) { $view_modes = entity_get_view_modes($this->field['settings']['target_type']); $options = array(); foreach ($view_modes as $view_mode => $view_mode_settings) { $options[$view_mode] = $view_mode_settings['label']; } $elements['view_mode'] = array( '#type' => 'select', '#options' => $options, '#title' => t('View mode'), '#default_value' => $this ->getSetting('view_mode'), '#required' => TRUE, ); $elements['links'] = array( '#type' => 'checkbox', '#title' => t('Show links'), '#default_value' => $this ->getSetting('links'), ); return $elements; } /** * {@inheritdoc} */ public function settingsSummary() { $summary = array(); $view_modes = entity_get_view_modes($this->field['settings']['target_type']); $view_mode = $this ->getSetting('view_mode'); $summary[] = t('Rendered as @mode', array( '@mode' => isset($view_modes[$view_mode]['label']) ? $view_modes[$view_mode]['label'] : $view_mode, )); $summary[] = $this ->getSetting('links') ? t('Display links') : t('Do not display links'); return $summary; } /** * {@inheritdoc} */ public function viewElements(EntityInterface $entity, $langcode, array $items) { // Remove un-accessible items. parent::viewElements($entity, $langcode, $items); $view_mode = $this ->getSetting('view_mode'); $links = $this ->getSetting('links'); $target_type = $this->field['settings']['target_type']; $elements = array(); foreach ($items as $delta => $item) { // Protect ourselves from recursive rendering. static $depth = 0; $depth++; if ($depth > 20) { throw new RecursiveRenderingException(format_string('Recursive rendering detected when rendering entity @entity_type(@entity_id). Aborting rendering.', array( '@entity_type' => $entity_type, '@entity_id' => $item['target_id'], ))); } if (!empty($item['target_id'])) { $entity = clone $item['entity']; unset($entity->content); $elements[$delta] = entity_view($entity, $view_mode, $langcode); if (empty($links) && isset($result[$delta][$target_type][$item['target_id']]['links'])) { // Hide the element links. $elements[$delta][$target_type][$item['target_id']]['links']['#access'] = FALSE; } } else { // This is an "auto_create" item. $elements[$delta] = array( '#markup' => $entity ->label(), ); } $depth = 0; } return $elements; } }