/**
* Marshall an OutcomeProcessing object into a DOMElement object.
*
* @param \qtism\data\QtiComponent $component An OutcomeProcessing object.
* @return \DOMElement The according DOMElement object.
* @throws \qtism\data\storage\xml\marshalling\MarshallingException
*/
protected function marshall(QtiComponent $component)
{
$element = self::getDOMCradle()->createElement($component->getQtiClassName());
foreach ($component->getOutcomeRules() as $outcomeRule) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($outcomeRule);
$element->appendChild($marshaller->marshall($outcomeRule));
}
return $element;
}
protected function getChildrenComponents(QtiComponent $component)
{
if ($component instanceof OutcomeIf || $component instanceof OutcomeElseIf || $component instanceof OutcomeElse) {
// OutcomeControl
return $component->getOutcomeRules()->getArrayCopy();
} else {
// OutcomeCondition
$returnValue = array($component->getOutcomeIf());
if (count($component->getOutcomeElseIfs()) > 0) {
$returnValue = array_merge($returnValue, $component->getOutcomeElseIfs()->getArrayCopy());
}
if ($component->getOutcomeElse() !== null) {
$returnValue[] = $component->getOutcomeElse();
}
return $returnValue;
}
}
/**
* @see \qtism\data\storage\xml\marshalling\RecursiveMarshaller::getChildrenComponents()
*/
protected function getChildrenComponents(QtiComponent $component)
{
return $component->getOutcomeRules()->getArrayCopy();
}