function TestFieldEmptyFormatter::viewElements

Same name in other branches
  1. 8.9.x core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldEmptyFormatter.php \Drupal\field_test\Plugin\Field\FieldFormatter\TestFieldEmptyFormatter::viewElements()
  2. 10 core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldEmptyFormatter.php \Drupal\field_test\Plugin\Field\FieldFormatter\TestFieldEmptyFormatter::viewElements()
  3. 11.x core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldEmptyFormatter.php \Drupal\field_test\Plugin\Field\FieldFormatter\TestFieldEmptyFormatter::viewElements()

Overrides FormatterInterface::viewElements

File

core/modules/field/tests/modules/field_test/src/Plugin/Field/FieldFormatter/TestFieldEmptyFormatter.php, line 34

Class

TestFieldEmptyFormatter
Plugin implementation of the 'field_empty_test' formatter.

Namespace

Drupal\field_test\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
    $elements = [];
    if ($items->isEmpty()) {
        // For fields with no value, just add the configured "empty" value.
        $elements[0] = [
            '#markup' => $this->getSetting('test_empty_string'),
        ];
    }
    else {
        foreach ($items as $delta => $item) {
            // This formatter only needs to output raw for testing.
            $elements[$delta] = [
                '#markup' => $item->value,
            ];
        }
    }
    return $elements;
}

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