TrackDaFilesFormatter.php in Track da files 8

Namespace

Drupal\track_da_files\Plugin\Field\FieldFormatter

File

src/Plugin/Field/FieldFormatter/TrackDaFilesFormatter.php

<?php

namespace Drupal\track_da_files\Plugin\Field\FieldFormatter;

use Drupal\Core\Field\FieldItemListInterface;
use Drupal\file\Plugin\Field\FieldFormatter\FileFormatterBase;
use Drupal\Core\Entity\Plugin\DataType\EntityAdapter;
use Drupal\Core\Url;

/**
 * Plugin implementation of the 'TDF Generic files' formatter.
 *
 * @FieldFormatter(
 *   id = "track_da_files",
 *   label = @Translation("TDF Generic files"),
 *   field_types = {
 *     "file"
 *   },
 * )
 */
class TrackDaFilesFormatter extends FileFormatterBase {

  /**
   * {@inheritdoc}
   */
  public function viewElements(FieldItemListInterface $files, $langcode) {
    $elements = array();
    foreach ($this
      ->getEntitiesToView($files, $langcode) as $delta => $file) {
      $entity = $files
        ->getEntity();
      $type = $entity
        ->getEntityTypeId();
      $entity_bundle = $entity
        ->getType();
      $id = $entity
        ->id();
      $mime_type = $file
        ->getMimeType();
      $filesize = $file
        ->getSize();
      $filename = $file
        ->getFilename();
      $url = track_da_files_create_url($file
        ->getFileUri());
      $options['attributes']['type'] = $mime_type . '; length=' . $filesize;
      $options['query']['file'] = '1';
      $item = $file->_referringItem;
      if (isset($type)) {
        $options['query']['type'] = $type;
      }
      if (isset($id)) {
        $options['query']['id'] = $id;
      }
      $text = isset($item->description) ? $item->description : $filename;
      $link = \Drupal::l($text, Url::fromUri($url, $options));
      $elements[$delta] = array(
        '#markup' => $link,
        '#file' => $file,
        '#description' => $file->description,
        '#entity_type' => $type,
        '#entity_bundle' => $entity_bundle,
        '#entity_id' => $id,
      );

      // Pass field item attributes to the theme function.
      if (isset($item->_attributes)) {
        $elements[$delta] += array(
          '#attributes' => array(),
        );
        $elements[$delta]['#attributes'] += $item->_attributes;

        // Unset field item attributes since they have been included in the
        // formatter output and should not be rendered in the field template.
        unset($item->_attributes);
      }
    }
    if (!empty($elements)) {
      $elements['#attached'] = array(
        'library' => array(
          'file/drupal.file.formatter.generic',
        ),
      );
    }
    return $elements;
  }

}

Classes

Name	Description
TrackDaFilesFormatter	Plugin implementation of the 'TDF Generic files' formatter.