public function MenuLocalAction::preprocessElement in Express 8

Preprocess the variables array if an element is present.

Parameters

\Drupal\bootstrap\Utility\Element $element: The Element object.

\Drupal\bootstrap\Utility\Variables $variables: The Variables object.

Overrides PreprocessBase::preprocessElement

File

themes/contrib/bootstrap/src/Plugin/Preprocess/MenuLocalAction.php, line 27

Contains \Drupal\bootstrap\Plugin\Preprocess\MenuLocalAction.

Class

MenuLocalAction

Pre-processes variables for the "menu_local_action" theme hook.

Namespace

Drupal\bootstrap\Plugin\Preprocess

Code

public function preprocessElement(Element $element, Variables $variables) {
  $link = $element
    ->getProperty('link');
  $link += [
    'localized_options' => [],
  ];
  $link['localized_options']['set_active_class'] = TRUE;
  $icon = Bootstrap::glyphiconFromString($link['title']);
  $options = isset($link['localized_options']) ? $link['localized_options'] : [];
  if (isset($link['url'])) {

    // Turn link into a mini-button and colorize based on title.
    $class = Bootstrap::cssClassFromString($link['title'], 'default');
    if (!isset($options['attributes']['class'])) {
      $options['attributes']['class'] = [];
    }
    $string = is_string($options['attributes']['class']);
    if ($string) {
      $options['attributes']['class'] = explode(' ', $options['attributes']['class']);
    }
    $options['attributes']['class'][] = 'btn';
    $options['attributes']['class'][] = 'btn-xs';
    $options['attributes']['class'][] = 'btn-' . $class;
    if ($string) {
      $options['attributes']['class'] = implode(' ', $options['attributes']['class']);
    }
    $variables['link'] = [
      '#type' => 'link',
      '#title' => $icon ? new FormattableMarkup(Element::create($icon)
        ->renderPlain() . '@text', [
        '@text' => $link['title'],
      ]) : $link['title'],
      '#options' => $options,
      '#url' => $link['url'],
    ];
  }
  else {
    $variables['link'] = [
      '#type' => 'link',
      '#title' => $link['title'],
      '#options' => $options,
      '#url' => $link['url'],
    ];
  }
}