/**
* Creates defined structure of SCOs.
*
* @param \DOMNode $source
* @param \DOMNodeList $resources
*
* @return array of Scorm2004Sco
*
* @throws InvalidScormArchiveException
*/
private function parseItemNodes(\DOMNode $source, \DOMNodeList $resources, Scorm2004Sco $parentSco = null)
{
$item = $source->firstChild;
$scos = array();
while (!is_null($item)) {
if ($item->nodeName === 'item') {
$sco = new Scorm2004Sco();
$scos[] = $sco;
$sco->setScoParent($parentSco);
$this->findAttrParams($sco, $item, $resources);
$this->findNodeParams($sco, $item->firstChild);
if ($sco->getIsBlock()) {
$scos[] = $this->parseItemNodes($item, $resources, $sco);
}
}
$item = $item->nextSibling;
}
return $scos;
}
/**
* Copy given sco and its children.
*
* @param Scorm2004Sco $sco
* @param Scorm2004Resource $resource
* @param Scorm2004Sco $scoParent
*/
private function copySco(Scorm2004Sco $sco, Scorm2004Resource $resource, Scorm2004Sco $scoParent = null)
{
$scoCopy = new Scorm2004Sco();
$scoCopy->setScormResource($resource);
$scoCopy->setScoParent($scoParent);
$scoCopy->setEntryUrl($sco->getEntryUrl());
$scoCopy->setIdentifier($sco->getIdentifier());
$scoCopy->setIsBlock($sco->getIsBlock());
$scoCopy->setLaunchData($sco->getLaunchData());
$scoCopy->setParameters($sco->getParameters());
$scoCopy->setTimeLimitAction($sco->getTimeLimitAction());
$scoCopy->setTitle($sco->getTitle());
$scoCopy->setVisible($sco->isVisible());
$this->om->persist($scoCopy);
foreach ($sco->getScoChildren() as $scoChild) {
$this->copySco($scoChild, $resource, $scoCopy);
}
}
