localgov_alert_banner.page.inc

<?php

/**
 * @file
 * Contains localgov_alert_banner.page.inc.
 *
 * Page callback for Alert banner entities.
 */

use Drupal\Core\Render\Element;

/**
 * Prepares variables for Alert banner templates.
 *
 * Default template: localgov_alert_banner.html.twig.
 *
 * @param array $variables
 *   An associative array containing:
 *   - elements: An associative array containing the user information and any
 *   - attributes: HTML attributes for the containing element.
 *   eg. To fetch the alert banner element,
 *   use variables['elements']['#localgov_alert_banner'].
 */
function template_preprocess_localgov_alert_banner(array &$variables) {

  // Helpful $content variable for templates.
  foreach (Element::children($variables['elements']) as $key) {
    $variables['content'][$key] = $variables['elements'][$key];
  }

  /** @var \Drupal\localgov_alert_banner\Entity\AlertBannerEntity $entity */
  $entity = $variables['elements']['#localgov_alert_banner'];

  // Non-content variables.
  $variables['display_title'] = $entity->get('display_title')->value;
  $variables['remove_hide_link'] = $entity->get('remove_hide_link')->value;
  // Type of alert is an optional field and may not exist.
  if ($entity->hasField('type_of_alert')) {
    $variables['type_of_alert'] = $entity->get('type_of_alert')->value;
  }

}