function NavigationTestHooks::navigationContentTop

Implements hook_navigation_content_top().

Attributes

File

core/modules/navigation/tests/navigation_test/src/Hook/NavigationTestHooks.php, line 41

Class

NavigationTestHooks

Hooks implementations for navigation_test module.

Namespace

Code

public function navigationContentTop() : array {
  if (\Drupal::keyValue('navigation_test')->get('content_top')) {
    $items = [
      'navigation_foo' => [
        '#markup' => 'foo',
      ],
      'navigation_bar' => [
        '#markup' => 'bar',
      ],
      'navigation_baz' => [
        '#markup' => 'baz',
      ],
    ];
  }
  else {
    $items = [
      'navigation_foo' => [],
      'navigation_bar' => [],
      'navigation_baz' => [],
    ];
  }
  // Add cache tags to our items to express a made up dependency to test
  // cacheability. Note that as we're always returning the same items,
  // sometimes only with cacheability metadata. By doing this we're testing
  // conditional rendering of content_top items.
  foreach ($items as &$element) {
    CacheableMetadata::createFromRenderArray($element)->addCacheTags([
      'navigation_test',
    ])
      ->applyTo($element);
  }
  return $items;
}