layout_builder_boolean-1.0.x-dev/layout_builder_boolean.module

<?php

/**
 * @file
 * Primary module hooks for Layout Builder Boolean module.
 *
 * @DCG
 * This file is no longer required in Drupal 8.
 * @see https://www.drupal.org/node/2217931
 */

/**
 * Implements template_preprocess_hook().
 */
function template_preprocess_layout__layout_builder_boolean(&$variables) {
  $variables['_true'] = $variables['content']['#true'];
  $variables['_false'] = $variables['content']['#false'];
  foreach ($variables['content'] as $key => $value) {
    if (strpos($key, 'true:') > -1) {
      $variables['_true'][substr($key, 5)] = $value;
    }
    elseif (strpos($key, 'false:') > -1) {
      $variables['_false'][substr($key, 6)] = $value;
    }
  }
  if (!isset($variables['attributes']['data-layout-update-url'])) {
    $entity = $variables['content']['#entity'];
    $field_name = $variables['settings']['switch_field'];
    if ($entity->hasField($field_name) && !$entity->get($field_name)->isEmpty() && $entity->get($field_name)->{$entity->get($field_name)->getFieldDefinition()->getFieldStorageDefinition()->getMainPropertyName()}) {
      $variables['render'] = $variables['_true'];
    }
    else {
      $variables['render'] = $variables['_false'];
    }
  }
  else {
    $variables['help_text'] = [
      '#type' => 'html_tag',
      '#tag' => 'h2',
      '#value' => 'Section conditioned on: ' . $variables['settings']['switch_field'],
      '#attributes' => [
        'class' => 'help-text',
      ],
    ];
  }
}