public function InventoryFormatter::viewElements in farmOS 2.x

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

modules/core/inventory/src/Plugin/Field/FieldFormatter/InventoryFormatter.php, line 24

Class

InventoryFormatter

Plugin implementation of the 'inventory' formatter.

Namespace

Drupal\farm_inventory\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  foreach ($items as $delta => $item) {
    $summary = $item->value;
    if (!empty($item->units)) {
      $summary .= ' ' . $item->units;
    }
    if (!empty($item->measure)) {
      $measures = quantity_measures();
      if (!empty($measures[$item->measure]['label'])) {
        $summary .= ' (' . $measures[$item->measure]['label'] . ')';
      }
    }
    $elements[$delta]['value'] = [
      '#markup' => $summary,
    ];
  }
  return $elements;
}