/**
  * Implements EditEntityFieldAccessCheckInterface::accessEditEntityField().
  */
 public function accessEditEntityField($entity_type, $entity, $field_name)
 {
     $is_extra_field = _quickedit_is_extra_field($entity_type, $field_name);
     $entity_access = entity_access('update', $entity_type, $entity);
     $field_access = $is_extra_field ? TRUE : field_access('edit', $field_name, $entity_type, $entity);
     return $entity_access && $field_access;
 }
 /**
  * Implements QuickEditMetadataGeneratorInterface::generateFieldMetadata().
  */
 public function generateFieldMetadata($entity_type, $entity, array $instance, $langcode, $view_mode)
 {
     $field_name = $instance['field_name'];
     // Early-return if user does not have access.
     $access = $this->accessChecker->accessEditEntityField($entity_type, $entity, $field_name);
     if (!$access) {
         return array('access' => FALSE);
     }
     // Early-return if no editor is available.
     if (!_quickedit_is_extra_field($entity_type, $field_name)) {
         $display = field_get_display($instance, $view_mode, $entity);
         $formatter_type = field_info_formatter_types($display['type']);
         $items = field_get_items($entity_type, $entity, $field_name, $langcode);
         $items = $items === FALSE ? array() : $items;
         $editor_id = $this->editorSelector->getEditor($formatter_type, $instance, $items);
     } else {
         // @see hook_quickedit_extra_fields_info()
         $extra = quickedit_extra_field_info($entity_type, $field_name);
         if (isset($extra['view mode dependent editor'][$view_mode])) {
             $editor_id = $extra['view mode dependent editor'][$view_mode];
         } else {
             $editor_id = $extra['default editor'];
         }
     }
     if (!isset($editor_id)) {
         return array('access' => FALSE);
     }
     // Gather metadata, allow the editor to add additional metadata of its own.
     if (!_quickedit_is_extra_field($entity_type, $field_name)) {
         $label = $instance['label'];
     } else {
         $label = quickedit_extra_field_info($entity_type, $field_name, 'label');
     }
     list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
     $metadata = array('label' => check_plain($label), 'access' => TRUE, 'editor' => $editor_id, 'aria' => t('Entity @type @id, field @field', array('@type' => $entity_type, '@id' => $id, '@field' => $label)));
     $alter_hook_context = array('entity_type' => $entity_type, 'entity' => $entity, 'field_name' => $field_name);
     if (!_quickedit_is_extra_field($entity_type, $field_name)) {
         $editor_plugin = _quickedit_get_editor_plugin($editor_id);
         $attachments[$editor_id] = $editor_plugin->getAttachments();
         $custom_metadata = $editor_plugin->getMetadata($instance, $items);
         if (count($custom_metadata)) {
             $metadata['custom'] = $custom_metadata;
         }
         $alter_hook_context += array('field' => $instance, 'items' => $items);
     }
     // Allow the metadata to be altered.
     drupal_alter('quickedit_editor_metadata', $metadata, $alter_hook_context);
     return $metadata;
 }