public function RssFields::validate

Validate that the plugin is correct and can be saved.

Return value

An array of error strings to tell the user what is wrong with this plugin.

Overrides PluginBase::validate

File

drupal/core/modules/views/lib/Drupal/views/Plugin/views/row/RssFields.php, line 114

Definition of Drupal\views\Plugin\views\row\RssFields.

Class

RssFields

Renders an RSS item based on fields.

Namespace

Code

public function validate() {
  $errors = parent::validate();
  $required_options = array(
    'title_field',
    'link_field',
    'description_field',
    'creator_field',
    'date_field',
  );
  foreach ($required_options as $required_option) {
    if (empty($this->options[$required_option])) {
      $errors[] = t('Row style plugin requires specifying which views fields to use for RSS item.');
      break;
    }
  }

  // Once more for guid.
  if (empty($this->options['guid_field_options']['guid_field'])) {
    $errors[] = t('Row style plugin requires specifying which views fields to use for RSS item.');
  }
  return $errors;
}