/**
* @see \qtism\data\storage\xml\marshalling\RecursiveMarshaller::unmarshallChildrenKnown()
*/
protected function unmarshallChildrenKnown(DOMElement $element, QtiComponentCollection $children)
{
if (($identifier = self::getDOMElementAttributeAs($element, 'identifier')) !== null) {
$version = $this->getVersion();
$fqClass = $this->lookupClass($element);
try {
$component = new $fqClass($identifier);
} catch (InvalidArgumentException $e) {
$msg = "'{$identifier}' is not a valid identifier for an 'inlineChoice' element.";
throw new UnmarshallingException($msg, $element, $e);
}
if (Version::compare($version, '2.1.0', '<') === true && $children->exclusivelyContainsComponentsWithClassName('textRun') === false) {
$msg = "An 'inlineChoice' element must only contain text. Children elements found.";
throw new UnmarshallingException($msg, $element);
}
try {
$component->setContent(new TextOrVariableCollection($children->getArrayCopy()));
} catch (InvalidArgumentException $e) {
$msg = "'inlineChoice' elements must only contain text or 'printedVariable' elements.";
throw new UnmarshallingException($msg, $element, $e);
}
if (($fixed = self::getDOMElementAttributeAs($element, 'fixed', 'boolean')) !== null) {
$component->setFixed($fixed);
}
if (Version::compare($version, '2.1.0', '>=') === true && ($templateIdentifier = self::getDOMElementAttributeAs($element, 'templateIdentifier')) !== null) {
$component->setTemplateIdentifier($templateIdentifier);
}
if (Version::compare($version, '2.1.0', '>=') === true && ($showHide = self::getDOMElementAttributeAs($element, 'showHide')) !== null) {
$component->setShowHide(ShowHide::getConstantByName($showHide));
}
$this->fillBodyElement($component, $element);
return $component;
} else {
$msg = "The mandatory 'identifier' attribute is missing from the 'simpleChoice' element.";
throw new UnmarshallingException($msg, $element);
}
}
