You are here

class ContextualLinks in Drupal 9

Same name in this branch
  1. 9 core/modules/contextual/src/Element/ContextualLinks.php \Drupal\contextual\Element\ContextualLinks
  2. 9 core/modules/contextual/src/Plugin/views/field/ContextualLinks.php \Drupal\contextual\Plugin\views\field\ContextualLinks
Same name and namespace in other branches
  1. 8 core/modules/contextual/src/Element/ContextualLinks.php \Drupal\contextual\Element\ContextualLinks

Provides a contextual_links element.

Plugin annotation



Expanded class hierarchy of ContextualLinks

2 #type uses of ContextualLinks
ContextualController::render in core/modules/contextual/src/ContextualController.php
Returns the requested rendered contextual links.
TestControllers::testContextual in core/modules/system/tests/modules/menu_test/src/TestControllers.php
Prints out test data with contextual links.


core/modules/contextual/src/Element/ContextualLinks.php, line 14


View source
class ContextualLinks extends RenderElement {

   * {@inheritdoc}
  public function getInfo() {
    $class = static::class;
    return [
      '#pre_render' => [
      '#theme' => 'links__contextual',
      '#links' => [],
      '#attributes' => [
        'class' => [
      '#attached' => [
        'library' => [

   * Pre-render callback: Builds a renderable array for contextual links.
   * @param array $element
   *   A renderable array containing a #contextual_links property, which is a
   *   keyed array. Each key is the name of the group of contextual links to
   *   render (based on the 'group' key in the *.links.contextual.yml files for
   *   all enabled modules). The value contains an associative array containing
   *   the following keys:
   *   - route_parameters: The route parameters passed to the url generator.
   *   - metadata: Any additional data needed in order to alter the link.
   *   @code
   *     array('#contextual_links' => array(
   *       'block' => array(
   *         'route_parameters' => array('block' => ''),
   *       ),
   *       'menu' => array(
   *         'route_parameters' => array('menu' => 'tools'),
   *       ),
   *     ))
   *   @endcode
   * @return array
   *   A renderable array representing contextual links.
  public static function preRenderLinks(array $element) {

    // Retrieve contextual menu links.
    $items = [];
    $contextual_links_manager = static::contextualLinkManager();
    foreach ($element['#contextual_links'] as $group => $args) {
      $args += [
        'route_parameters' => [],
        'metadata' => [],
      $items += $contextual_links_manager
        ->getContextualLinksArrayByGroup($group, $args['route_parameters'], $args['metadata']);

    // Transform contextual links into parameters suitable for links.html.twig.
    $links = [];
    foreach ($items as $class => $item) {
      $class = Html::getClass($class);
      $links[$class] = [
        'title' => $item['title'],
        'url' => Url::fromRoute(isset($item['route_name']) ? $item['route_name'] : '', isset($item['route_parameters']) ? $item['route_parameters'] : [], $item['localized_options']),
    $element['#links'] = $links;

    // Allow modules to alter the renderable contextual links element.
      ->alter('contextual_links_view', $element, $items);

    // If there are no links, tell drupal_render() to abort rendering.
    if (empty($element['#links'])) {
      $element['#printed'] = TRUE;
    return $element;

   * Wraps the contextual link manager.
   * @return \Drupal\Core\Menu\ContextualLinkManager
  protected static function contextualLinkManager() {
    return \Drupal::service('');

   * Wraps the module handler.
   * @return \Drupal\Core\Extension\ModuleHandlerInterface
  protected static function moduleHandler() {
    return \Drupal::moduleHandler();



Namesort descending Modifiers Type Description Overrides
ContextualLinks::contextualLinkManager protected static function Wraps the contextual link manager.
ContextualLinks::getInfo public function Returns the element properties for this element. Overrides ElementInterface::getInfo
ContextualLinks::moduleHandler protected static function Wraps the module handler.
ContextualLinks::preRenderLinks public static function Pre-render callback: Builds a renderable array for contextual links.
DependencySerializationTrait::$_entityStorages protected property
DependencySerializationTrait::$_serviceIds protected property
DependencySerializationTrait::__sleep public function 2
DependencySerializationTrait::__wakeup public function 2
MessengerTrait::$messenger protected property The messenger. 27
MessengerTrait::messenger public function Gets the messenger. 27
MessengerTrait::setMessenger public function Sets the messenger.
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 2
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginBase::__construct public function Constructs a \Drupal\Component\Plugin\PluginBase object. 98
RenderElement::preRenderAjaxForm public static function Adds Ajax information about an element to communicate with JavaScript.
RenderElement::preRenderGroup public static function Adds members of this group as actual elements for rendering.
RenderElement::processAjaxForm public static function Form element processing handler for the #ajax form property. 1
RenderElement::processGroup public static function Arranges elements into groups.
RenderElement::setAttributes public static function Sets a form element's class attribute. Overrides ElementInterface::setAttributes
StringTranslationTrait::$stringTranslation protected property The string translation service. 4
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.