public function CountryFlagFormatter::viewElements in Flags 8

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 CountryDefaultFormatter::viewElements

File

flags_country/src/Plugin/Field/FieldFormatter/CountryFlagFormatter.php, line 81

Class

CountryFlagFormatter

Plugin implementation of the 'country' formatter.

Namespace

Drupal\flags_country\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $countries = \Drupal::service('country.field.manager')
    ->getSelectableCountries($this->fieldDefinition);
  $elements = parent::viewElements($items, $langcode);
  $format = $this
    ->getSetting('flag_display');
  $attributes = new Attribute(array(
    'class' => array(
      $format,
    ),
  ));
  foreach ($items as $delta => $item) {
    if (isset($countries[$item->value])) {
      unset($elements[$delta]['#markup']);
      if ('flag-instead' != $format) {
        $elements[$delta]['country'] = array(
          '#markup' => $countries[$item->value],
        );
      }
      $elements[$delta]['flag'] = array(
        '#theme' => 'flags',
        '#code' => strtolower($item->value),
        '#attributes' => clone $attributes,
        '#source' => 'country',
      );
    }
    $elements[$delta]['#prefix'] = '<div class="field__flags__item">';
    $elements[$delta]['#suffix'] = '</div>';
  }
  return $elements;
}