3 namespace Drupal\field_test\Plugin\Field\FieldFormatter;
5 use Drupal\Core\Field\FormatterBase;
6 use Drupal\Core\Field\FieldItemListInterface;
7 use Drupal\Core\Form\FormStateInterface;
10 * Plugin implementation of the 'field_test_multiple' formatter.
13 * id = "field_test_multiple",
14 * label = @Translation("Multiple"),
15 * description = @Translation("Multiple formatter"),
18 * "test_field_with_preconfigured_options"
23 class TestFieldMultipleFormatter extends FormatterBase {
28 public static function defaultSettings() {
30 'test_formatter_setting_multiple' => 'dummy test string',
32 ] + parent::defaultSettings();
38 public function settingsForm(array $form, FormStateInterface $form_state) {
39 $element['test_formatter_setting_multiple'] = [
40 '#title' => t('Setting'),
41 '#type' => 'textfield',
43 '#default_value' => $this->getSetting('test_formatter_setting_multiple'),
52 public function settingsSummary() {
54 $summary[] = t('@setting: @value', ['@setting' => 'test_formatter_setting_multiple', '@value' => $this->getSetting('test_formatter_setting_multiple')]);
61 public function viewElements(FieldItemListInterface $items, $langcode) {
66 foreach ($items as $delta => $item) {
67 $array[] = $delta . ':' . $item->value;
69 $elements[0] = ['#markup' => $this->getSetting('test_formatter_setting_multiple') . '|' . implode('|', $array)];