public function FormsStepsManager::getPreviousStep in Forms Steps 8

Get the forms_steps previous step.

Parameters

mixed $route_name: Current route.

Return value

null|\Drupal\forms_steps\Step Previous Step.

File

src/Service/FormsStepsManager.php, line 139

Class

FormsStepsManager

Class FormsStepsManager.

Namespace

Drupal\forms_steps\Service

Code

public function getPreviousStep($route_name) {
  $matches = self::getRouteParameters($route_name);
  if ($matches) {

    /** @var \Drupal\forms_steps\Entity\FormsSteps $formsSteps */
    $formsSteps = FormsSteps::load($matches[1]);
    if (!$formsSteps) {

      /** @var \Drupal\forms_steps\Step $nextStep */
      return $formsSteps
        ->getPreviousStep($formsSteps
        ->getStep($matches[2]));
    }
  }
  return NULL;
}