FileLink.php in Open Social 8.4

Namespace

Drupal\socialbase\Plugin\Preprocess

File

themes/socialbase/src/Plugin/Preprocess/FileLink.php

<?php

namespace Drupal\socialbase\Plugin\Preprocess;

use Drupal\file\Entity\File;
use Drupal\bootstrap\Plugin\Preprocess\FileLink as BaseFileLink;

/**
 * Pre-processes variables for the "file_link" theme hook.
 *
 * @ingroup plugins_preprocess
 *
 * @BootstrapPreprocess("file_link",
 *   replace = "template_preprocess_file_link"
 * )
 */
class FileLink extends BaseFileLink {

  /**
   * {@inheritdoc}
   */
  public function preprocess(array &$variables, $hook, array $info) {
    parent::preprocess($variables, $hook, $info);

    // Find out what the active theme is first.
    $theme = \Drupal::theme()
      ->getActiveTheme();

    // Check if socialbase is one of the base themes.
    // Then get the path to socialbase theme and provide a variable
    // that can be used in the template for a path to the icons.
    if (array_key_exists('socialbase', $theme
      ->getBaseThemes())) {
      $basethemes = $theme
        ->getBaseThemes();
      $variables['path_to_socialbase'] = $basethemes['socialbase']
        ->getPath();
    }
    $file = $variables['file'] instanceof File ? $variables['file'] : File::load($variables['file']->fid);
    $mime_type = $file
      ->getMimeType();
    $generic_mime_type = file_icon_class($mime_type);
    if (isset($generic_mime_type)) {

      // Set new icons for the mime types.
      switch ($generic_mime_type) {
        case 'application-pdf':
          $node_icon = 'pdf';
          break;
        case 'x-office-document':
          $node_icon = 'document';
          break;
        case 'x-office-presentation':
          $node_icon = 'presentation';
          break;
        case 'x-office-spreadsheet':
          $node_icon = 'spreadsheet';
          break;
        case 'package-x-generic':
          $node_icon = 'archive';
          break;
        case 'audio':
          $node_icon = 'audio';
          break;
        case 'video':
          $node_icon = 'video';
          break;
        case 'image':
          $node_icon = 'image';
          break;
        default:
          $node_icon = 'text';
      }
    }

    // Set a new variable to be used in the template file.
    $variables['node_icon'] = $node_icon;
  }

}

Classes

Name	Description
FileLink	Pre-processes variables for the "file_link" theme hook.