public function CshsFlexibleHierarchyFormatter::viewElements in Client-side Hierarchical Select 8

Same name and namespace in other branches

1. 8.3 src/Plugin/Field/FieldFormatter/CshsFlexibleHierarchyFormatter.php \Drupal\cshs\Plugin\Field\FieldFormatter\CshsFlexibleHierarchyFormatter::viewElements()
2. 8.2 src/Plugin/Field/FieldFormatter/CshsFlexibleHierarchyFormatter.php \Drupal\cshs\Plugin\Field\FieldFormatter\CshsFlexibleHierarchyFormatter::viewElements()

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides FormatterInterface::viewElements

File

src/Plugin/Field/FieldFormatter/CshsFlexibleHierarchyFormatter.php, line 78

Class

CshsFlexibleHierarchyFormatter

Plugin implementation of the "Flexible hierarchy" formatter.

Namespace

Drupal\cshs\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) : array {
  $elements = [];
  $linked = $this
    ->getSetting('linked');
  $format = $this
    ->getSetting('format');
  $clear = $this
    ->getSetting('clear');
  $token = \Drupal::token();
  foreach ($this
    ->getEntitiesToView($items, $langcode) as $delta => $term) {
    $text = $token
      ->replace($format, [
      'term' => $term,
    ], [
      'clear' => $clear,
    ]);
    if ($linked) {
      $text = Link::fromTextAndUrl($text, $term
        ->toUrl())
        ->toString();
    }
    $elements[$delta]['#markup'] = $text;
  }
  return $elements;
}