public function DataFieldRow::validateOptionsForm

Overrides \Drupal\views\Plugin\views\row\RowPluginBase::validateOptionsForm().

Overrides RowPluginBase::validateOptionsForm

File

drupal/core/modules/rest/lib/Drupal/rest/Plugin/views/row/DataFieldRow.php, line 122

Contains \Drupal\rest\Plugin\views\row\DataFieldRow.

Class

DataFieldRow

Plugin which displays fields as raw data.

Namespace

Code

public function validateOptionsForm(&$form, &$form_state) {

  // Collect an array of aliases to validate.
  $aliases = static::extractFromOptionsArray('alias', $form_state['values']['row_options']['field_options']);

  // If array filter returns empty, no values have been entered. Unique keys
  // should only be validated if we have some.
  if (($filtered = array_filter($aliases)) && array_unique($filtered) !== $filtered) {
    form_set_error('aliases', t('All field aliases must be unique'));
  }
}