/**
* Marshall a PreCondition object into a DOMElement object.
*
* @param QtiComponent $component A PreCondition object.
* @return DOMElement The according DOMElement object.
*/
protected function marshall(QtiComponent $component)
{
$element = static::getDOMCradle()->createElement($component->getQtiClassName());
$marshaller = $this->getMarshallerFactory()->createMarshaller($component->getExpression());
$element->appendChild($marshaller->marshall($component->getExpression()));
return $element;
}
/**
* @see \qtism\data\storage\xml\marshalling\RecursiveMarshaller::marshallChildrenKnown()
*/
protected function marshallChildrenKnown(QtiComponent $component, array $elements)
{
$element = self::getDOMCradle()->createElement($component->getQtiClassName());
if ($component instanceof ResponseIf || $component instanceof ResponseElseIf) {
$marshaller = $this->getMarshallerFactory()->createMarshaller($component->getExpression());
$element->appendChild($marshaller->marshall($component->getExpression()));
}
foreach ($elements as $elt) {
$element->appendChild($elt);
}
return $element;
}
/**
* Marshall a TemplateDefault object into a DOMElement object.
*
* @param QtiComponent $component A TemplateDefault object.
* @return DOMElement The according DOMElement object.
*/
protected function marshall(QtiComponent $component)
{
$element = static::getDOMCradle()->createElement($component->getQtiClassName());
self::setDOMElementAttribute($element, 'templateIdentifier', $component->getTemplateIdentifier());
$expr = $component->getExpression();
$exprMarshaller = $this->getMarshallerFactory()->createMarshaller($expr);
$exprElt = $exprMarshaller->marshall($expr);
$element->appendChild($exprElt);
return $element;
}