public function Populate::validate in Views filters populate 8

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 FilterPluginBase::validate

File

src/Plugin/views/filter/Populate.php, line 188

Class

Populate

Filter handler which allows to search on multiple fields.

Namespace

Drupal\views_filters_populate\Plugin\views\filter

Code

public function validate() {
  $errors = parent::validate();
  $filters = $this->displayHandler
    ->getHandlers('filter');

  // Only perform these validatiosn if the query is not being built
  // @see ViewExecutable::build()
  if (empty($this->view->build_info)) {
    foreach ($this->options['filters'] as $id) {

      // Make sure are populate filters are properly configured/available
      if (!isset($filters[$id])) {
        $errors[] = $this
          ->t('%display: Filter %filter set in %name is not available.', [
          '%filter' => $id,
          '%name' => $this
            ->adminLabel(),
          '%display' => $this->displayHandler->display['display_title'],
        ]);
      }
      else {
        $filter = $filters[$id];
        if ($filter->options['exposed']) {
          $errors[] = $this
            ->t('%display: Filter %filter set in %name is not usable when exposed.', [
            '%filter' => $filter
              ->adminLabel(),
            '%name' => $this
              ->adminLabel(),
            '%display' => $this->displayHandler->display['display_title'],
          ]);
        }
      }
    }
  }
  return $errors;
}