/**
* Unmarshall a DOMElement object corresponding to a QTI outcomeDeclaration element.
*
* @param DOMElement $element A DOMElement object.
* @return QtiComponent An OutcomeDeclaration object.
* @throws UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
try {
$baseComponent = parent::unmarshall($element);
$object = new OutcomeDeclaration($baseComponent->getIdentifier());
$object->setBaseType($baseComponent->getBaseType());
$object->setCardinality($baseComponent->getCardinality());
$object->setDefaultValue($baseComponent->getDefaultValue());
// deal with views.
if (($views = static::getDOMElementAttributeAs($element, 'view')) != null) {
$viewCollection = new ViewCollection();
foreach (explode(" ", $views) as $viewName) {
$viewCollection[] = View::getConstantByName($viewName);
}
$object->setViews($viewCollection);
}
// deal with interpretation.
if (($interpretation = static::getDOMElementAttributeAs($element, 'interpretation')) != null) {
$object->setInterpretation($interpretation);
}
// deal with longInterpretation.
if (($longInterpretation = static::getDOMElementAttributeAs($element, 'longInterpretation')) != null) {
$object->setLongInterpretation($longInterpretation);
}
// deal with normalMaximum.
if (($normalMaximum = static::getDOMElementAttributeAs($element, 'normalMaximum', 'float')) !== null) {
$object->setNormalMaximum($normalMaximum);
}
// deal with normalMinimum.
if (($normalMinimum = static::getDOMElementAttributeAs($element, 'normalMinimum', 'float')) !== null) {
$object->setNormalMinimum($normalMinimum);
}
// deal with matseryValue.
if (($masteryValue = static::getDOMElementAttributeAs($element, 'masteryValue', 'float')) !== null) {
$object->setMasteryValue($masteryValue);
}
// deal with lookupTable.
$interpolationTables = $element->getElementsByTagName('interpolationTable');
$matchTable = $element->getElementsByTagName('matchTable');
if ($interpolationTables->length == 1 || $matchTable->length == 1) {
// we have a lookupTable defined.
$lookupTable = null;
if ($interpolationTables->length == 1) {
$lookupTable = $interpolationTables->item(0);
} else {
$lookupTable = $matchTable->item(0);
}
$lookupTableMarshaller = $this->getMarshallerFactory()->createMarshaller($lookupTable, array($object->getBaseType()));
$object->setLookupTable($lookupTableMarshaller->unmarshall($lookupTable));
}
return $object;
} catch (InvalidArgumentException $e) {
$msg = "An unexpected error occured while unmarshalling the outcomeDeclaration.";
throw new UnmarshallingException($msg, $element, $e);
}
}
