CshsGroupByRootFormatter.php in Client-side Hierarchical Select 8
File
src/Plugin/Field/FieldFormatter/CshsGroupByRootFormatter.php
View source
<?php
namespace Drupal\cshs\Plugin\Field\FieldFormatter;
use Drupal\Core\Field\FieldItemListInterface;
class CshsGroupByRootFormatter extends CshsFormatterBase {
public function viewElements(FieldItemListInterface $items, $langcode) : array {
$linked = $this
->getSetting('linked');
$reverse = $this
->getSetting('reverse');
$elements = [];
foreach ($this
->getEntitiesToView($items, $langcode) as $delta => $term) {
$parents = $this
->getTermParents($term);
$parents = $reverse ? \array_reverse($parents) : $parents;
$root = \array_shift($parents);
$elements[$root
->id()] = [
'#theme' => 'cshs_term_group',
'#title' => $this
->getTranslationFromContext($root)
->label(),
'#terms' => $this
->getTermsLabels($parents, $linked),
];
}
return $elements;
}
}