<?php

class stPositioningBackendBreadcrumbsBuilder extends autoStPositioningBackendBreadcrumbsBuilder
{
    /**
     * {@inheritDoc}
     *
     */
    public function getDefaultBreadcrumbs()
    {
        if (null === $this->defaultBreadcrumbs)
        {
            $this->defaultBreadcrumbs = parent::getDefaultBreadcrumbs();
            $breadcrumbs = $this->defaultBreadcrumbs->getBreadcrumbs();

            $breadcrumbs[count($breadcrumbs) - 1]->setUrl($this->context->getController()->genUrl('@stPositioningPlugin?action=edit&id='.$this->relatedObject->getId()));
        }

        return $this->defaultBreadcrumbs;
    }   
}