/**
* @param AbstractStep $step
* @return Installer
*/
protected function addStep(AbstractStep $step)
{
if (!$this->firstStep) {
$this->firstStep = $step;
$this->lastStep = $step;
} else {
$this->lastStep->chainNextStep($step);
$this->lastStep = $step;
}
return $this;
}
/**
* @param AbstractStep $step
* @return Installer
*/
protected function addStep(AbstractStep $step)
{
if (!$this->firstStep) {
$this->firstStep = $step;
$this->lastStep = $step;
$step->setPixie($this->pixie);
$step->setView($this->view);
} else {
$this->lastStep->chainNextStep($step);
$this->lastStep = $step;
}
return $this;
}
/**
* @param AbstractStep|null $next
* @return \App\Installation\Step\AbstractStep|null Added step
*/
public function chainNextStep(AbstractStep $next)
{
$this->next = $next;
$next->setPixie($this->pixie);
$next->setView($this->view);
$next->setPrevStep($this);
return $next;
}
