public function ExtractedText::viewElements in Search API attachments 8

Same name and namespace in other branches

1. 9.0.x src/Plugin/Field/FieldFormatter/ExtractedText.php \Drupal\search_api_attachments\Plugin\Field\FieldFormatter\ExtractedText::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/ExtractedText.php, line 157

Class

ExtractedText

File formatter displaying text extracted form attachment document.

Namespace

Drupal\search_api_attachments\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  $host_entity = $items
    ->getParent()
    ->getValue();
  foreach ($this
    ->getEntitiesToView($items, $langcode) as $delta => $file) {
    if ($contents = $this
      ->extractFileContents($host_entity, $file)) {
      $elements[$delta] = [
        '#markup' => $contents,
        '#cache' => [
          'tags' => $file
            ->getCacheTags(),
        ],
      ];
    }
  }
  return $elements;
}