public function PriceModifiedDefaultFormatter::viewElements in Price 8

Same name and namespace in other branches

1. 3.x src/Plugin/Field/FieldFormatter/PriceModifiedDefaultFormatter.php \Drupal\price\Plugin\Field\FieldFormatter\PriceModifiedDefaultFormatter::viewElements()
2. 3.0.x src/Plugin/Field/FieldFormatter/PriceModifiedDefaultFormatter.php \Drupal\price\Plugin\Field\FieldFormatter\PriceModifiedDefaultFormatter::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/PriceModifiedDefaultFormatter.php, line 169

Class

PriceModifiedDefaultFormatter

Plugin implementation of the 'price_modified' formatter.

Namespace

Drupal\price\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $currency_codes = [];
  $modifier_codes = [];
  foreach ($items as $delta => $item) {
    $currency_codes[] = $item->currency_code;
    $modifier_codes[] = $item->modifier;
  }
  $currencies = $currency_codes ? $this->currencyStorage
    ->loadMultiple($currency_codes) : [];
  $modifiers = $modifier_codes ? $this->modifierStorage
    ->loadMultiple($modifier_codes) : [];
  $elements = [];
  foreach ($items as $delta => $item) {
    $currency = $currencies[$item->currency_code];
    $modifier = $modifiers[$item->modifier];
    $elements[$delta] = [
      '#markup' => ($modifier
        ->id() != 'empty' ? $modifier
        ->label() : '') . ' ' . $this->numberFormatter
        ->formatCurrency($item->number, $currency),
      '#cache' => [
        'contexts' => [
          'languages:' . LanguageInterface::TYPE_INTERFACE,
          'price_country',
        ],
      ],
    ];
  }
  return $elements;
}