public function UserFlagWidget::build in Flag Search API 8

Builds the facet widget for rendering.

Parameters

\Drupal\facets\FacetInterface $facet: The facet we need to build.

Return value

array A renderable array.

Overrides WidgetPluginBase::build

File

src/Plugin/facets/widget/UserFlagWidget.php, line 63

Class

UserFlagWidget

The user_flag widget.

Namespace

Drupal\flag_search_api\Plugin\facets\widget

Code

public function build(FacetInterface $facet) {

  // Get current user ID.
  $uid = $this->currentUser
    ->id();
  $userFlagResult = FALSE;

  // Get results.
  $results = $facet
    ->getResults();
  foreach ($results as $result) {

    // Select a result that matches the current user.
    if ($result
      ->getRawValue() == $uid) {
      $userFlagResult = $result;
      $userFlagResult
        ->setDisplayValue($this
        ->getConfiguration()['flags_label']);
    }
  }
  if ($userFlagResult) {

    // Replace all results with the selected result.
    $facet
      ->setResults([
      $userFlagResult,
    ]);
  }
  else {

    // Replace all results with an empty result.
    $emptyResult = new Result($facet, $uid, $this
      ->getConfiguration()['no_flags_label'], 0);
    $facet
      ->setResults([
      $emptyResult,
    ]);
  }

  // Go through normal build process with checkboxes.
  $build = parent::build($facet);
  $build['#attributes']['class'][] = 'js-facets-checkbox-links';
  $build['#attached']['library'][] = 'facets/drupal.facets.checkbox-widget';
  return $build;
}