ParagraphsTrimmedFormatter.php in Paragraphs Trimmed 8

Namespace

Drupal\paragraphs_trimmed\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/ParagraphsTrimmedFormatter.php

<?php

namespace Drupal\paragraphs_trimmed\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\paragraphs_trimmed\Plugin\Field\FieldFormatter\ParagraphsTrimmedFormatterBase;
use Drupal\field\Entity\FieldStorageConfig;

/**
 * Plugin implementation of the 'paragraphs_trimmed' formatter.
 *
 * @FieldFormatter(
 *   id = "paragraphs_trimmed",
 *   label = @Translation("Paragraphs Trimmed"),
 *   field_types = {
 *     "entity_reference_revisions"
 *   }
 * )
 */
class ParagraphsTrimmedFormatter extends ParagraphsTrimmedFormatterBase {

  /**
   * {inheritdoc}
   */
  public static function getTrimFormatterType() {
    return 'text_trimmed';
  }

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $items, $langcode) {

    // If we have a summary field, just render it and send it out
    if ($this
      ->getSummaryFieldValue($items)) {
      return $this
        ->getSummaryFieldElement($items);
    }

    // Render the paragraphs output
    $elements = parent::viewElements($items, $langcode);
    $output = \Drupal::service('renderer')
      ->render($elements);

    // Create a basic text field item list
    $definition = \Drupal::typedDataManager()
      ->createListDataDefinition('field_item:text');
    $text_items = \Drupal::typedDataManager()
      ->create($definition, [
      $output,
    ], NULL, $items
      ->getEntity()
      ->getTypedData());

    // Set the text format of our new text field item list item and process
    // using the smart trim formatter viewElements method with our settings.
    $text_items->format = $this
      ->getSetting('format');
    return $this->formatter
      ->setSettings($this
      ->getSettings())
      ->viewElements($text_items, $langcode);
  }

}

Classes

Name	Description
ParagraphsTrimmedFormatter	Plugin implementation of the 'paragraphs_trimmed' formatter.