function StringFormatter::viewElements

Overrides FormatterInterface::viewElements

File

core/lib/Drupal/Core/Field/Plugin/Field/FieldFormatter/StringFormatter.php, line 123

Class

StringFormatter

Plugin implementation of the 'string' formatter.

Namespace

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];
    $url = NULL;
    $entity = $items->getEntity();
    $entity_type = $entity->getEntityType();
    if ($this->getSetting('link_to_entity') && !$entity->isNew() && $entity_type->hasLinkTemplate('canonical')) {
        $url = $this->getEntityUrl($entity);
    }
    foreach ($items as $delta => $item) {
        $view_value = $this->viewValue($item);
        if ($url) {
            $elements[$delta] = [
                '#type' => 'link',
                '#title' => $view_value,
                '#url' => $url,
            ];
        }
        else {
            $elements[$delta] = $view_value;
        }
    }
    return $elements;
}