/**
* Unmarshall a StatsOperator object into a QTI statsOperator element.
*
* @param \qtism\data\QtiComponent $component The StatsOperator object to marshall.
* @param array $elements An array of child DOMEelement objects.
* @return \DOMElement The marshalled QTI statsOperator element.
*/
protected function marshallChildrenKnown(QtiComponent $component, array $elements)
{
$element = self::getDOMCradle()->createElement($component->getQtiClassName());
self::setDOMElementAttribute($element, 'name', Statistics::getNameByConstant($component->getName()));
foreach ($elements as $elt) {
$element->appendChild($elt);
}
return $element;
}
/**
* Marshall a Param object into a DOMElement object.
*
* @param \qtism\data\QtiComponent $component A Param object.
* @return \DOMElement The according DOMElement object.
* @throws \qtism\data\storage\xml\marshalling\MarshallingException
*/
protected function marshall(QtiComponent $component)
{
$element = self::getDOMCradle()->createElement('param');
self::setDOMElementAttribute($element, 'name', $component->getName());
self::setDOMElementAttribute($element, 'value', $component->getValue());
self::setDOMElementAttribute($element, 'valuetype', ParamType::getNameByConstant($component->getValueType()));
if ($component->hasType() === true) {
self::setDOMElementAttribute($element, 'type', $component->getType());
}
return $element;
}
/**
* Marshall a MathConstant object into a DOMElement object.
*
* @param \qtism\data\QtiComponent $component A MathConstant object.
* @return \DOMElement The according DOMElement object.
*/
protected function marshall(QtiComponent $component)
{
$element = static::getDOMCradle()->createElement($component->getQtiClassName());
self::setDOMElementAttribute($element, 'name', MathEnumeration::getNameByConstant($component->getName()));
return $element;
}