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

Same name and namespace in other branches

1. 8.3 src/Plugin/Field/FieldFormatter/CshsFullHierarchyFormatter.php \Drupal\cshs\Plugin\Field\FieldFormatter\CshsFullHierarchyFormatter::viewElements()
2. 8.2 src/Plugin/Field/FieldFormatter/CshsFullHierarchyFormatter.php \Drupal\cshs\Plugin\Field\FieldFormatter\CshsFullHierarchyFormatter::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/CshsFullHierarchyFormatter.php, line 62

Class

CshsFullHierarchyFormatter

Plugin implementation of the "Full hierarchy" formatter.

Namespace

Drupal\cshs\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) : array {
  $linked = $this
    ->getSetting('linked');
  $reverse = $this
    ->getSetting('reverse');
  $separator = $this
    ->getSetting('separator') ?: ' ';
  $elements = [];
  foreach ($this
    ->getEntitiesToView($items, $langcode) as $delta => $term) {
    $terms = $this
      ->getTermsLabels($this
      ->getTermParents($term), $linked);
    $elements[$delta]['#markup'] = \implode($separator, $reverse ? \array_reverse($terms) : $terms);
  }
  return $elements;
}