Code hookup

 Edit menu--main.html.twig template file {# /**  * @file  * Bootstrap Barrio's override to display a menu.  *  * Available variables:  * - menu_name: The machine name of the menu.  * - items: A nested list of menu items. Each menu item contains:  *   - attributes: HTML attributes for the menu item.  *   - below: The menu item child items.  *   - title: The menu link title.  *   - url: The menu link url, instance of \Drupal\Core\Url  *   - localized_options: Menu link localized options.  *   - is_expanded: TRUE if the link has visible children within the current  *     menu tree.  *   - is_collapsed: TRUE if the link has children within the current menu tree  *     that are not currently visible.  *   - in_active_trail: TRUE if the link is in the active trail.  */ #} {% import _self as menus...

public function nodeList() {     $header = [       'Nid',       'Title',     ];     $query = \Drupal::database()->select('node', 'n');     $query->fields('n', ['nid']);     $pager = $query->extend('Drupal\Core\Database\Query\PagerSelectExtender')->limit(10);     $results = $pager->execute()->fetchAll();     foreach ($results as $key => $result) {       $node = Node::load($result->nid);       $row = [];       $row = [         'nid' => $node->id(),         'title' => $node->getTitle(),       ];       $rows[] = $row;     }     $build['table_data'] = [       '#type' => 'table',       '#header' => $header,       '#rows' => $rows,     ]; ...

DOCKSAL ======= 1. Drupal installation using composer ref: https://blog.docksal.io/creating-drupal-8-project-from-scratch-using-pre-installed-composer-in-docksal-cli-bfe49b0042e2 # Create new directory for the project mkdir my-new-project # Go to my new dir cd my-new-project # Download Drupal 8 using composer repo recommended in Drupal docs fin run-cli composer create-project drupal-composer/drupal-project:8.x-dev . --stability dev --no-interaction # Initialize Docksal project root mkdir .docksal # Configure DOCROOT to match checked out files fin config set DOCROOT=web # Start my project containers fin project start 2. To start existing project on Docksal   fin project start / fin up 3. DB settings (default)    db name: default    username: user    password: user    host: db 4. Install PHPMyAdmin to project   fin addon install pma   # Then access it like http://pma.project-name.docksal   # T...

Add this code in the settings.php $config['system.logging']['error_level'] = 'verbose';

Use the following configuration

.ajax-progress, .ajax-progress-throbber, .ajax-progress-fullscreen { width: 100%; height: 100%; margin: 0; padding: 0; -webkit-border-radius: 0; border-radius: 0; opacity: 1; background: rgba(255, 255, 255, 0.8); position: fixed; top: 0; left: 0; z-index: 999999; overflow: hidden; text-indent: -99999em; } .ajax-progress-throbber:before, .ajax-progress-fullscreen:before { content: " "; display: block; width: 120px; height: 120px; -webkit-animation: spin 0.8s infinite linear; animation: spin 0.8s infinite linear; border-radius: 120px; border-width: 10px; border-style: solid; border-color: #D6232F transparent #D6232F transparent; overflow: hidden; text-indent: -99999em; margin: auto; position: absolute; top: 0; left: 0; right: 0; bottom: 0; } @-webkit-keyframes spin { to { transform: rotate(360deg); } } @keyframes spin { to { transform: rotate(360deg); } }

Some times HTTP Requests took more than 30 ms execution time that end up with exceptions like : Error message: cURL error 28: Operation timed out after 29992 The solution is very simple, use the following lines in the settings.php /** * HTTP Client config. */ $settings['http_client_config']['timeout'] = 60;

$url_object = \Drupal::service('path.validator')->getUrlIfValid('admin/content'); $route_name = $url_object->getRouteName(); dpm($route_name);

While create REST resource in Drupal 8, ResourceResponse method used to return response. But it cache the response data. If you don't want to store response in cache, use this code $build = [ '#cache' => [ 'max-age' => 0, ], ]; return (new ResourceResponse($response, $response_code))->addCacheableDependency($build);

How to add join condition in views programmatically in Drupal 8? use $query->queueTable to implement joins. function hook_views_query_alterViewExecutable $views, QueryPluginBase $query) { $query->queueTable('node__field_accounts', "node_field_data", NULL, 'node__field_accounts'); $query->addWhere($where_last_key, 'node__field_accounts.field_accounts_target_id', $account_values['target_id'], 'IN'); } Method definition Sql::queueTable($table, $relationship = NULL, JoinPluginBase $join = NULL, $alias = NULL) To use INNER JOIN $configuration = [ 'type' => 'INNER', 'table' => 'user__field_region', 'field' => 'entity_id', 'left_table' => 'users_field_data', 'left_field' => 'uid', 'operator' => '=', ]; $join = Views::pluginManager('join') ->...

How to display raw sql query of a  views in Drupal 8? To see views SQL query, you can use hook_views_pre_execute(ViewExecutable $view) function hook_views_pre_execute(ViewExecutable $view) { print_r($view->query->query()->__toString()); die(); } Use __toString() with query to return raw SQL query.

Database connection can be injected in class object using dependency injection. We can also use service method \Drupal::database() This way of using database is suitable for XXX.module file but in class we can use dependency injection. Using dependency injection :- Drupal\Core\Database\Connection class for database connection. use Drupal\Core\Database\Connection; use Symfony\Component\DependencyInjection\ContainerInterface; class CustomClass { /** * The database connection to be used. * * @var \Drupal\Core\Database\Connection */ protected $database; /** * @param \Drupal\Core\Database\Connection $database * The database connection to be used. */ public function __construct(Connection $database) { $this->database = $database; } /** * {@inheritdoc} */ public static function create(ContainerInterface $container) { $container->get('database') } } $container->get('database') here database is the ...

To get settings of an Entity field in Drupal 8 Use this code: $entity_type='node'; $bundle='article'; $field_name='field_summary_image'; $bundle_fields = \Drupal::getContainer()->get('entity_field.manager')->getFieldDefinitions($entity_type, $bundle); $field_definition = $bundle_fields[$field_name]; $file_directory= $field_definition->getSetting('file_directory');

You might get this error Uncaught TypeError: a.indexOf is not a function at r.fn.init.r.fn.load (jquery.min.js?v=3.2.1:4) at Object.attach (scripts.js?v=8.4.0:1) at Object.Drupal.attachBehaviors (drupal.js?v=8.4.0:25) at drupal.init.js?v=8.4.0:16 at HTMLDocument.t (ready.min.js?v=1.0.8:4) Drupal 8.4  is using latest jQuery version 3.2 which does not support load() function. Instead of using load() , you can use .on(load,function(){})  $(window).on('load', function () { });