public static function Callback::preRenderMenuLinkContent in Menu item content fields 8

Fill the the link field with values from the menu item.

#pre_render callback.

File

src/Render/Callback.php, line 26

Class

Callback

Provides a trusted callbacks to alter some elements markup.

Namespace

Drupal\menu_item_fields\Render

Code

public static function preRenderMenuLinkContent($element) {

  // We skip processing if link field is not in display output.
  if (!isset($element['link'])) {
    return $element;
  }
  $contentLink =& $element['link'][0];
  $contentUrl =& $contentLink['#url'];

  // Set the title attribute (description field) from the menu item.
  $menuItemAttributes = $element['#menu_item']['url']
    ->getOption('attributes');
  if (isset($menuItemAttributes['title'])) {
    $contentLinkAttributes = $contentUrl
      ->getOption('attributes');
    $contentLinkAttributes['title'] = $menuItemAttributes['title'];
    $contentUrl
      ->setOption('attributes', $contentLinkAttributes);
  }
  $contentUrl
    ->setOption('set_active_class', $element['#menu_item']['url']
    ->getOption('set_active_class'));
  if (is_string($contentLink['#title'])) {
    $contentLink['#title'] = $element['#menu_item']['title'];
  }
  return $element;
}