/**
* Unmarshall a DOMElement object corresponding to a textEntryInteraction/extendedTextInteraction element.
*
* @param DOMElement $element A DOMElement object.
* @return QtiComponent A TextEntryInteraction/ExtendedTextInteraction object.
* @throws UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
if (($responseIdentifier = self::getDOMElementAttributeAs($element, 'responseIdentifier')) !== null) {
try {
$class = 'qtism\\data\\content\\interactions\\' . ucfirst($element->localName);
$component = new $class($responseIdentifier);
} catch (InvalidArgumentException $e) {
$msg = "The value '{$responseIdentifier}' of the 'responseIdentifier' attribute of the '" . $element->localName . "' element is not a valid identifier.";
throw new UnmarshallingException($msg, $element, $e);
}
if (($base = self::getDOMElementAttributeAs($element, 'base', 'integer')) !== null) {
$component->setBase($base);
}
if (($stringIdentifier = self::getDOMElementAttributeAs($element, 'stringIdentifier')) !== null) {
$component->setStringIdentifier($stringIdentifier);
}
if (($expectedLength = self::getDOMElementAttributeAs($element, 'expectedLength', 'integer')) !== null) {
$component->setExpectedLength($expectedLength);
}
if (($patternMask = self::getDOMElementAttributeAs($element, 'patternMask')) !== null) {
$component->setPatternMask($patternMask);
}
if (($placeholderText = self::getDOMElementAttributeAs($element, 'placeholderText')) !== null) {
$component->setPlaceholderText($placeholderText);
}
if (($xmlBase = self::getXmlBase($element)) !== false) {
$component->setXmlBase($xmlBase);
}
if ($element->localName === 'extendedTextInteraction') {
if (($maxStrings = self::getDOMElementAttributeAs($element, 'maxStrings', 'integer')) !== null) {
$component->setMaxStrings($maxStrings);
}
if (($minStrings = self::getDOMElementAttributeAs($element, 'minStrings', 'integer')) !== null) {
$component->setMinStrings($minStrings);
}
if (($expectedLines = self::getDOMElementAttributeAs($element, 'expectedLines', 'integer')) !== null) {
$component->setExpectedLines($expectedLines);
}
if (($format = self::getDOMElementAttributeAs($element, 'format')) !== null) {
$component->setFormat(TextFormat::getConstantByName($format));
}
$promptElts = self::getChildElementsByTagName($element, 'prompt');
if (count($promptElts) > 0) {
$component->setPrompt($this->getMarshallerFactory()->createMarshaller($promptElts[0])->unmarshall($promptElts[0]));
}
}
self::fillBodyElement($component, $element);
return $component;
} else {
$msg = "The mandatory 'responseIdentifier' attribute is missing from the '" . $element->localName . "' element.";
throw new UnmarshallingException($msg, $element);
}
}
