/**
* Finds the node in the current breadcrumb path between current site node and
* current node whose level matches the specified entry level.
*
* @param integer $givenSiteLevel The site level child nodes of the to be found parent node should have. See $this->entryLevel for possible values.
* @param \TYPO3\TYPO3\Domain\Service\ContentContext $contentContext
* @return \TYPO3\TYPO3CR\Domain\Model\NodeInterface The parent node of the node at the specified level or NULL if none was found
*/
private function findParentNodeInBreadcrumbPathByLevel($givenSiteLevel, \TYPO3\TYPO3\Domain\Service\ContentContext $contentContext)
{
$parentNode = NULL;
$breadcrumbNodes = $contentContext->getNodesOnPath($contentContext->getCurrentSiteNode(), $contentContext->getCurrentNode());
if ($givenSiteLevel > 0 && isset($breadcrumbNodes[$givenSiteLevel - 1])) {
$parentNode = $breadcrumbNodes[$givenSiteLevel - 1];
} elseif ($givenSiteLevel <= 0) {
$currentSiteLevel = count($breadcrumbNodes) - 1;
if ($currentSiteLevel + $givenSiteLevel < 1) {
$parentNode = $breadcrumbNodes[0];
} else {
$parentNode = $breadcrumbNodes[$currentSiteLevel + $givenSiteLevel - 1];
}
}
return $parentNode;
}
