isotope_views.module

<?php

/**
 * @file
 * A light-weight, customizable lightbox plugin for jQuery 1.3
 */

use Drupal\Core\Template\Attribute;
use Drupal\Component\Serialization\Json;
use Drupal\file\Entity\File;
use Drupal\image\Entity\ImageStyle;


/**
 * Prepares variables for Views isotope templates.
 *
 * Default template: views-view-isotope.html.twig.
 *
 * @param array $variables
 *   An associative array containing:
 *   - view: A View object.
 */
function template_preprocess_views_view_isotope(&$variables) {
  /** @var \Drupal\isotope_views\Plugin\views\style\Isotope $handler */
  $handler = $variables['view']->style_plugin;

  // Fetch wrapper classes from handler options.
  $wrapper_classes = []; #['isotope-grid'];
  if (!empty($handler->options['wrapper_class'])) {
    $wrapper_classes = array_merge($wrapper_classes, explode(' ', $handler->options['wrapper_class']));
    $wrapper_classes = array_map('\Drupal\Component\Utility\Html::cleanCssIdentifier', $wrapper_classes);
  }

  $variables['attributes'] = new Attribute(['class' => $wrapper_classes]);
  $variables['attributes']['data-isotopesettings'] = Json::encode($handler->filterOptions());
  $variables['#attached']['library'][] = 'isotope_views/isotope_views';

  template_preprocess_views_view_unformatted($variables);

  if ($handler->options['use_load_more']) {
    // Hide rows initially.
    foreach ($variables['rows'] as $id => $row) {
      $variables['rows'][$id]['attributes']->addClass('hidden');
    }
  }
}