AbstractStepAction.php

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<?php
namespace TYPO3\CMS\Install\Controller\Action\Step;

abstract class AbstractStepAction extends \TYPO3\CMS\Install\Controller\Action\AbstractAction implements StepInterface {

    protected $currentStep = 0;

    protected $totalSteps = 0;

    public function setStepsCounter($current, $total) {
        $this->currentStep = $current;
        $this->totalSteps = $total;
    }

    public function getCurrentStep() {
        return $this->currentStep;
    }

    public function getTotalSteps() {
        return $this->totalSteps;
    }

    protected function assignSteps() {
        $steps = array();
        $currentStep = $this->getCurrentStep();
        $totalSteps = $this->getTotalSteps();
        for ($i = 1; $i <= $totalSteps; $i++) {
            $class = '';
            if ($i == $currentStep) {
                $class = 'cur';
            } elseif ($i < $currentStep) {
                $class = 'prev';
            }
            $steps[] = array(
                'number' => $i,
                'class' => $class,
                'total' => $totalSteps,
            );
        }
        $this->view->assign('steps', $steps);
    }
}