public BreadcrumbManager::build(RouteMatchInterface $route_match)
Builds the breadcrumb.
Parameters
\Drupal\Core\Routing\RouteMatchInterface $route_match: The current route match.
Return value
\Drupal\Core\Breadcrumb\Breadcrumb A breadcrumb.
Overrides BreadcrumbBuilderInterface::build
File
- core/lib/Drupal/Core/Breadcrumb/BreadcrumbManager.php, line 72
Class
- BreadcrumbManager
- Provides a breadcrumb manager.
Namespace
Drupal\Core\Breadcrumb
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | public function build(RouteMatchInterface $route_match) { $breadcrumb = new Breadcrumb(); $context = array('builder' => NULL); // Call the build method of registered breadcrumb builders, // until one of them returns an array. foreach ($this->getSortedBuilders() as $builder) { if (!$builder->applies($route_match)) { // The builder does not apply, so we continue with the other builders. continue; } $breadcrumb = $builder->build($route_match); if ($breadcrumb instanceof Breadcrumb) { $context['builder'] = $builder; break; } else { throw new \UnexpectedValueException('Invalid breadcrumb returned by ' . get_class($builder) . '::build().'); } } // Allow modules to alter the breadcrumb. $this->moduleHandler->alter('system_breadcrumb', $breadcrumb, $route_match, $context); return $breadcrumb;} |
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