/**
* Unmarshall a DOMElement object corresponding to a QTI sectionPart element.
*
* @param DOMElement $element A DOMElement object.
* @return QtiComponent A SectionPart object.
* @throws UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
if (($identifier = static::getDOMElementAttributeAs($element, 'identifier')) !== null) {
$object = new SectionPart($identifier);
if (($required = static::getDOMElementAttributeAs($element, 'required', 'boolean')) !== null) {
$object->setRequired($required);
}
if (($fixed = static::getDOMElementAttributeAs($element, 'fixed', 'boolean')) !== null) {
$object->setFixed($fixed);
}
$preConditionElts = self::getChildElementsByTagName($element, 'preCondition');
if (count($preConditionElts) > 0) {
$preConditions = new PreConditionCollection();
for ($i = 0; $i < count($preConditionElts); $i++) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($preConditionElts[$i]);
$preConditions[] = $marshaller->unmarshall($preConditionElts[$i]);
}
$object->setPreConditions($preConditions);
}
$branchRuleElts = self::getChildElementsByTagName($element, 'branchRule');
if (count($branchRuleElts) > 0) {
$branchRules = new BranchRuleCollection();
for ($i = 0; $i < count($branchRuleElts); $i++) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($branchRuleElts[$i]);
$branchRules[] = $marshaller->unmarshall($branchRuleElts[$i]);
}
$object->setBranchRules($branchRules);
}
$itemSessionControlElts = self::getChildElementsByTagName($element, 'itemSessionControl');
if (count($itemSessionControlElts) == 1) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($itemSessionControlElts[0]);
$object->setItemSessionControl($marshaller->unmarshall($itemSessionControlElts[0]));
}
$timeLimitsElts = self::getChildElementsByTagName($element, 'timeLimits');
if (count($timeLimitsElts) == 1) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($timeLimitsElts[0]);
$object->setTimeLimits($marshaller->unmarshall($timeLimitsElts[0]));
}
return $object;
} else {
$msg = "The mandatory attribute 'identifier' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
}
