public function SimpleTextFormatter::viewElements in Examples for Developers 8

Same name in this branch

1. 8 field_example/src/Plugin/Field/FieldFormatter/SimpleTextFormatter.php \Drupal\field_example\Plugin\Field\FieldFormatter\SimpleTextFormatter::viewElements()
2. 8 field_permission_example/src/Plugin/Field/FieldFormatter/SimpleTextFormatter.php \Drupal\field_permission_example\Plugin\Field\FieldFormatter\SimpleTextFormatter::viewElements()

Same name and namespace in other branches

1. 3.x modules/field_permission_example/src/Plugin/Field/FieldFormatter/SimpleTextFormatter.php \Drupal\field_permission_example\Plugin\Field\FieldFormatter\SimpleTextFormatter::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

field_permission_example/src/Plugin/Field/FieldFormatter/SimpleTextFormatter.php, line 25

Class

SimpleTextFormatter

Plugin implementation of our "sticky-note" formatter.

Namespace

Drupal\field_permission_example\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  foreach ($items as $delta => $item) {
    $elements[$delta] = [
      // We wrap the fieldnote content up in a div tag.
      '#type' => 'html_tag',
      '#tag' => 'div',
      // This text is auto-XSS escaped.  See docs for the html_tag element.
      '#value' => $item->value,
      // Let's give the note a nice sticky-note CSS appearance.
      '#attributes' => [
        'class' => 'stickynote',
      ],
      // ..And this is the CSS for the stickynote.
      '#attached' => [
        'library' => [
          'field_permission_example/fieldnote_sticky',
        ],
      ],
    ];
  }
  return $elements;
}