/**
* Marshall an OutcomeDeclaration object into a DOMElement object.
*
* @param \qtism\data\QtiComponent $component An OutcomeDeclaration object.
* @return \DOMElement The according DOMElement object.
*/
protected function marshall(QtiComponent $component)
{
$element = parent::marshall($component);
$version = $this->getVersion();
// deal with views.
// !!! If $arrayViews contain all possible views, it means that the treated
// !!! outcome is relevant to all views, as per QTI 2.1 spec.
if (Version::compare($version, '2.1.0', '>=') === true && !in_array($component->getViews()->getArrayCopy(), View::asArray())) {
$arrayViews = array();
foreach ($component->getViews() as $view) {
$arrayViews[] = View::getNameByConstant($view);
}
if (count($arrayViews) > 0) {
static::setDOMElementAttribute($element, 'view', implode(" ", $arrayViews));
}
}
// deal with interpretation.
if ($component->getInterpretation() != '') {
static::setDOMElementAttribute($element, 'interpretation', $component->getInterpretation());
}
// deal with long interpretation.
if ($component->getLongInterpretation() != '') {
static::setDOMElementAttribute($element, 'longInterpretation', $component->getLongInterpretation());
}
// Deal with normal maximum.
if ($component->getNormalMaximum() !== false) {
static::setDOMElementAttribute($element, 'normalMaximum', $component->getNormalMaximum());
}
// Deal with normal minimum.
if (Version::compare($version, '2.1.0', '>=') === true && $component->getNormalMinimum() !== false) {
static::setDOMElementAttribute($element, 'normalMinimum', $component->getNormalMinimum());
}
// Deal with mastery value.
if (Version::compare($version, '2.1.0', '>=') === true && $component->getMasteryValue() !== false) {
static::setDOMElementAttribute($element, 'masteryValue', $component->getMasteryValue());
}
// Deal with lookup table.
if ($component->getLookupTable() != null) {
$lookupTableMarshaller = $this->getMarshallerFactory()->createMarshaller($component->getLookupTable(), array($component->getBaseType()));
$element->appendChild($lookupTableMarshaller->marshall($component->geTLookupTable()));
}
return $element;
}
/**
* Converts a QTIComponent to an assoc array (instances variables to key/val), using reflection.
*
* @param \qtism\data\QtiComponent $component
* @return array
*/
private function componentToArray(QtiComponent $component)
{
$array = array('qti-type' => $component->getQtiClassName());
$reflector = new ReflectionClass($component);
foreach ($this->getProperties($reflector) as $property) {
$value = $this->getValue($component, $property);
if ($value !== null) {
$key = $property->getName();
if ($value instanceof QtiComponentCollection) {
$array[$key] = array();
foreach ($value as $item) {
$array[$key][] = $this->componentToArray($item);
}
} else {
if ($value instanceof ViewCollection) {
$array[$property->getName()] = array();
foreach ($value as $item) {
$array[$property->getName()][] = View::getNameByConstant($item);
}
} else {
if ($value instanceof QtiComponent) {
$array[$property->getName()] = $this->componentToArray($value);
} else {
if ($value instanceof Duration) {
$array[$property->getName()] = $value->getSeconds(true);
} else {
if ($value instanceof IntegerCollection || $value instanceof StringCollection) {
$array[$property->getName()] = array();
foreach ($value as $item) {
$array[$property->getName()][] = $item;
}
} else {
$array[$property->getName()] = $value;
}
}
}
}
}
}
}
return $array;
}
