/**
* Unmarshall a DOMElement object corresponding to a QTI templateDeclaration element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A TemplateDeclaration object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
try {
$baseComponent = parent::unmarshall($element);
$object = new TemplateDeclaration($baseComponent->getIdentifier());
$object->setBaseType($baseComponent->getBaseType());
$object->setCardinality($baseComponent->getCardinality());
$object->setDefaultValue($baseComponent->getDefaultValue());
$version = $this->getVersion();
if (($paramVariable = self::getDOMElementAttributeAs($element, 'paramVariable', 'boolean')) !== null) {
$object->setParamVariable($paramVariable);
} elseif (Version::compare($version, '2.0.0', '==') === true) {
$msg = "The mandatory attribute 'paramVariable' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
if (($mathVariable = self::getDOMElementAttributeAs($element, 'mathVariable', 'boolean')) !== null) {
$object->setMathVariable($mathVariable);
} elseif (Version::compare($version, '2.0.0', '==') === true) {
$msg = "The mandatory attribute 'mathVariable' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
return $object;
} catch (InvalidArgumentException $e) {
$msg = "An unexpected error occured while unmarshalling the templateDeclaration.";
throw new UnmarshallingException($msg, $element, $e);
}
}
/**
* Set the QTI $version in use for this document.
*
* @param string $version A QTI version number e.g. '2.1.1'.
* @throws \InvalidArgumentException If $version is unknown regarding existing QTI versions.
*/
public function setVersion($version)
{
if (Version::isKnown($version) === true) {
$this->version = Version::appendPatchVersion($version);
} else {
$msg = "Version '{$version}' is not a known QTI version. Known versions are '" . implode(', ', Version::knownVersions()) . "'";
throw new InvalidArgumentException($msg);
}
}
public function getMarshallerFactory($version = '2.1')
{
if (Version::compare($version, '2.0.0', '==') === true) {
return new Qti20MarshallerFactory();
} elseif (Version::compare($version, '2.1.1', '==') === true) {
return new Qti211MarshallerFactory();
} elseif (Version::compare($version, '2.2.0', '==') === true) {
return new Qti22MarshallerFactory();
} else {
return new Qti21MarshallerFactory();
}
}
/**
* Get the XML schema to use for a given QTI version.
*
* @return string A filename pointing at an XML Schema file.
*/
public static function getSchemaLocation($version = '2.1')
{
$dS = DIRECTORY_SEPARATOR;
$version = Version::appendPatchVersion($version);
if ($version === '2.1.0') {
$filename = dirname(__FILE__) . $dS . 'schemes' . $dS . 'imsqti_v2p1.xsd';
} elseif ($version === '2.1.1') {
$filename = dirname(__FILE__) . $dS . 'schemes' . $dS . 'imsqti_v2p1p1.xsd';
} elseif ($version === '2.2.0') {
$filename = dirname(__FILE__) . $dS . 'schemes' . $dS . 'imsqti_v2p2.xsd';
} else {
$filename = dirname(__FILE__) . $dS . 'schemes' . $dS . 'imsqti_v2p0.xsd';
}
return $filename;
}
/**
* Unmarshall a DOMElement object corresponding to an positionObjectInteraction element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A PositionObjectInteraction object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
$version = $this->getVersion();
if (($responseIdentifier = self::getDOMElementAttributeAs($element, 'responseIdentifier')) !== null) {
$objectElts = self::getChildElementsByTagName($element, 'object');
if (count($objectElts) > 0) {
$object = $this->getMarshallerFactory()->createMarshaller($objectElts[0])->unmarshall($objectElts[0]);
$component = new PositionObjectInteraction($responseIdentifier, $object);
if (($maxChoices = self::getDOMElementAttributeAs($element, 'maxChoices', 'integer')) !== null) {
$component->setMaxChoices($maxChoices);
}
if (Version::compare($version, '2.1.0', '>=') === true && ($minChoices = self::getDOMElementAttributeAs($element, 'minChoices', 'integer')) !== null) {
$component->setMinChoices($minChoices);
}
if (($centerPoint = self::getDOMElementAttributeAs($element, 'centerPoint')) !== null) {
$points = explode(" ", $centerPoint);
$pointsCount = count($points);
if ($pointsCount === 2) {
if (Format::isInteger($points[0]) === true) {
if (Format::isInteger($points[1]) === true) {
$component->setCenterPoint(new QtiPoint(intval($points[0]), intval($points[1])));
} else {
$msg = "The 2nd integer of the 'centerPoint' attribute value is not a valid integer for element 'positionObjectInteraction'.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The 1st value of the 'centerPoint' attribute value is not a valid integer for element 'positionObjectInteraction'.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The value of the 'centePoint' attribute of a 'positionObjectInteraction' element must be composed of exactly 2 integer values, {$pointsCount} given.";
throw new UnmarshallingException($msg, $element);
}
}
$this->fillBodyElement($component, $element);
return $component;
} else {
$msg = "A 'positionObjectInteraction' element must contain exactly one 'object' element, none given.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The mandatory 'responseIdentifier' attribute is missing from the 'positionObjectInteraction' object.";
throw new UnmarshallingException($msg, $element);
}
}
/**
* @see \qtism\data\storage\xml\marshalling\RecursiveMarshaller::marshallChildrenKnown()
*/
protected function marshallChildrenKnown(QtiComponent $component, array $elements)
{
$version = $this->getVersion();
$element = self::getDOMCradle()->createElement($component->getQtiClassName());
$this->fillElement($element, $component);
self::setDOMElementAttribute($element, 'identifier', $component->getIdentifier());
if ($component->isFixed() === true) {
self::setDOMElementAttribute($element, 'fixed', true);
}
if (Version::compare($version, '2.1.0', '>=') === true && $component->hasTemplateIdentifier() === true) {
self::setDOMElementAttribute($element, 'templateIdentifier', $component->getTemplateIdentifier());
}
if (Version::compare($version, '2.1.0', '>=') === true && $component->getShowHide() !== ShowHide::SHOW) {
self::setDOMElementAttribute($element, 'showHide', ShowHide::getNameByConstant(ShowHide::HIDE));
}
foreach ($elements as $e) {
$element->appendChild($e);
}
return $element;
}
/**
* @see \qtism\data\storage\xml\marshalling\RecursiveMarshaller::marshallChildrenKnown()
*/
protected function marshallChildrenKnown(QtiComponent $component, array $elements)
{
$version = $this->getVersion();
$element = self::getDOMCradle()->createElement($component->getQtiClassName());
$this->fillElement($element, $component);
self::setDOMElementAttribute($element, 'responseIdentifier', $component->getResponseIdentifier());
if ($component->mustShuffle() === true || Version::compare($version, '2.0.0', '==') === true) {
self::setDOMElementAttribute($element, 'shuffle', $component->mustShuffle());
}
if ($component->hasXmlBase() === true) {
self::setXmlBase($element, $component->getXmlBase());
}
if ($component->hasPrompt() === true) {
$element->appendChild($this->getMarshallerFactory()->createMarshaller($component->getPrompt())->marshall($component->getPrompt()));
}
foreach ($component->getGapChoices() as $g) {
$element->appendChild($this->getMarshallerFactory()->createMarshaller($g)->marshall($g));
}
foreach ($elements as $e) {
$element->appendChild($e);
}
return $element;
}
/**
* Unmarshall a DOMElement object corresponding to a selectPointInteraction element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A SelectPointInteraction object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
$version = $this->getVersion();
if (($responseIdentifier = self::getDOMElementAttributeAs($element, 'responseIdentifier')) !== null) {
$objectElts = self::getChildElementsByTagName($element, 'object');
if (count($objectElts) > 0) {
$object = $this->getMarshallerFactory()->createMarshaller($objectElts[0])->unmarshall($objectElts[0]);
if (($maxChoices = self::getDOMElementAttributeAs($element, 'maxChoices', 'integer')) !== null) {
$component = new SelectPointInteraction($responseIdentifier, $object, $maxChoices);
if (Version::compare($version, '2.1.0', '>=') === true && ($minChoices = self::getDOMElementAttributeAs($element, 'minChoices', 'integer')) !== null) {
$component->setMinChoices($minChoices);
}
if (($xmlBase = self::getXmlBase($element)) !== false) {
$component->setXmlBase($xmlBase);
}
$promptElts = self::getChildElementsByTagName($element, 'prompt');
if (count($promptElts) > 0) {
$promptElt = $promptElts[0];
$prompt = $this->getMarshallerFactory()->createMarshaller($promptElt)->unmarshall($promptElt);
$component->setPrompt($prompt);
}
$this->fillBodyElement($component, $element);
return $component;
} else {
$msg = "The mandatory 'maxChoices' attribute is missing from the 'selectPointInteraction' element.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "A 'selectPointInteraction' element must contain exactly one 'object' element, none given.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The mandatory 'responseIdentifier' attribute is missing from the 'selectPointInteraction' element.";
throw new UnmarshallingException($msg, $element);
}
}
/**
* Fill $element with the attributes of $bodyElement.
*
* @param DOMElement $element The element from where the atribute values will be
* @param BodyElement $bodyElement The bodyElement to be fill.
*/
protected function fillElement(DOMElement $element, BodyElement $bodyElement)
{
if (($id = $bodyElement->getId()) !== '') {
$element->setAttribute('id', $id);
}
if (($class = $bodyElement->getClass()) !== '') {
$element->setAttribute('class', $class);
}
if (($lang = $bodyElement->getLang()) !== '') {
$element->setAttributeNS('http://www.w3.org/XML/1998/namespace', 'xml:lang', $lang);
}
if (($label = $bodyElement->getLabel()) != '') {
$element->setAttribute('label', $label);
}
$version = $this->getVersion();
if (Version::compare($version, '2.2.0', '>=') === true && ($dir = $bodyElement->getDir()) !== Direction::AUTO && in_array($bodyElement->getQtiClassName(), self::$dirClasses) === true) {
$element->setAttribute('dir', Direction::getNameByConstant($dir));
}
}
/**
* @see \qtism\data\storage\xml\marshalling\RecursiveMarshaller::marshallChildrenKnown()
*/
protected function marshallChildrenKnown(QtiComponent $component, array $elements)
{
$version = $this->getVersion();
$element = self::getDOMCradle()->createElement($component->getQtiClassName());
$this->fillElement($element, $component);
self::setDOMElementAttribute($element, 'responseIdentifier', $component->getResponseIdentifier());
if ($component->mustShuffle() !== false || Version::compare($version, '2.0.0', '==') === true) {
self::setDOMElementAttribute($element, 'shuffle', $component->mustShuffle());
}
if (Version::compare($version, '2.1.0', '>=') && $component->isRequired() !== false) {
self::setDOMElementAttribute($element, 'required', $component->isRequired());
}
if ($component->hasXmlBase() === true) {
self::setXmlBase($element, $component->getXmlBase());
}
foreach ($elements as $e) {
$element->appendChild($e);
}
return $element;
}
/**
* @see \qtism\data\storage\xml\marshalling\RecursiveMarshaller::marshallChildrenKnown()
*/
protected function marshallChildrenKnown(QtiComponent $component, array $elements)
{
$version = $this->getVersion();
$isOrderInteraction = $component instanceof OrderInteraction;
$isChoiceInteraction = $component instanceof ChoiceInteraction;
$element = self::getDOMCradle()->createElement($component->getQtiClassName());
$this->fillElement($element, $component);
self::setDOMElementAttribute($element, 'responseIdentifier', $component->getResponseIdentifier());
// prompt.
if ($component->hasPrompt() === true) {
$element->appendChild($this->getMarshallerFactory()->createMarshaller($component->getPrompt())->marshall($component->getPrompt()));
}
// shuffle.
if (Version::compare($version, '2.0.0', '==') === true) {
self::setDOMElementAttribute($element, 'shuffle', $component->mustShuffle());
} elseif ($component->mustShuffle() !== false) {
self::setDOMElementAttribute($element, 'shuffle', true);
}
// maxChoices.
if ($isChoiceInteraction && Version::compare($version, '2.0.0', '==') === true) {
self::setDOMElementAttribute($element, 'maxChoices', $component->getMaxChoices());
} elseif ($isChoiceInteraction && $component->getMaxChoices() !== 0 || $isOrderInteraction && $component->getMaxChoices() !== -1 && Version::compare($version, '2.1.0', '>=') === true) {
self::setDOMElementAttribute($element, 'maxChoices', $component->getMaxChoices());
}
// minChoices.
if (Version::compare($version, '2.1.0', '>=') === true) {
if ($isChoiceInteraction && $component->getMinChoices() !== 0 || $isOrderInteraction && $component->getMinChoices() !== -1) {
self::setDOMElementAttribute($element, 'minChoices', $component->getMinChoices());
}
}
// orientation.
if (Version::compare($version, '2.0.0', '==') === true && $isOrderInteraction && $component->getOrientation() !== Orientation::VERTICAL) {
self::setDOMElementAttribute($element, 'orientation', Orientation::getNameByConstant(Orientation::HORIZONTAL));
} elseif (Version::compare($version, '2.1.0', '>=') === true && $component->getOrientation() !== Orientation::VERTICAL) {
self::setDOMElementAttribute($element, 'orientation', Orientation::getNameByConstant(Orientation::HORIZONTAL));
}
// xml:base.
if ($component->hasXmlBase() === true) {
self::setXmlBase($element, $component->getXmlBase());
}
foreach ($elements as $e) {
$element->appendChild($e);
}
return $element;
}
/**
* Unmarshall a DOMElement object corresponding to a printedVariable element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A PrintedVariable object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
$version = $this->getVersion();
if (($identifier = self::getDOMElementAttributeAs($element, 'identifier')) !== null) {
$component = new PrintedVariable($identifier);
if (($format = self::getDOMElementAttributeAs($element, 'format')) !== null) {
$component->setFormat($format);
}
if (Version::compare($version, '2.1.0', '>=') === true && ($powerForm = self::getDOMElementAttributeAs($element, 'powerForm', 'boolean')) !== null) {
$component->setPowerForm($powerForm);
}
if (($base = self::getDOMElementAttributeAs($element, 'base')) !== null) {
$component->setBase(Format::isInteger($base) === true ? intval($base) : $base);
}
if (($index = self::getDOMElementAttributeAs($element, 'index')) !== null) {
$component->setIndex(Format::isInteger($index) === true ? intval($index) : $base);
}
if (Version::compare($version, '2.1.0', '>=') === true && ($delimiter = self::getDOMElementAttributeAs($element, 'delimiter')) !== null) {
$component->setDelimiter($delimiter);
}
if (($field = self::getDOMElementAttributeAs($element, 'field')) !== null) {
$component->setField($field);
}
if (Version::compare($version, '2.1.0', '>=') === true && ($mappingIndicator = self::getDOMElementAttributeAs($element, 'mappingIndicator')) !== null) {
$component->setMappingIndicator($mappingIndicator);
}
if (($xmlBase = self::getXmlBase($element)) !== false) {
$component->setXmlBase($xmlBase);
}
$this->fillBodyElement($component, $element);
return $component;
} else {
$msg = "The mandatory 'identifier' attribute is missing from the 'printedVariable' element.";
throw new UnmarshallingException($msg, $element);
}
}
/**
* @see \qtism\data\storage\xml\marshalling\RecursiveMarshaller::marshallChildrenKnown()
*/
protected function marshallChildrenKnown(QtiComponent $component, array $elements)
{
$version = $this->getVersion();
$element = self::getDOMCradle()->createElement($component->getQtiClassName());
$this->fillElement($element, $component);
self::setDOMElementAttribute($element, 'identifier', $component->getIdentifier());
self::setDOMElementAttribute($element, 'matchMax', $component->getMatchMax());
if (Version::compare($version, '2.1.0', '>=') === true && $component->getMatchMin() !== 0) {
self::setDOMElementAttribute($element, 'matchMin', $matchMin);
}
if ($component->isFixed() === true) {
self::setDOMElementAttribute($element, 'fixed', true);
}
if (Version::compare($version, '2.1.0', '>=') === true && $component->hasTemplateIdentifier() === true) {
self::setDOMElementAttribute($element, 'templateIdentifier', $component->getTemplateIdentifier());
}
if (Version::compare($version, '2.1.0', '>=') === true && $component->getShowHide() !== ShowHide::SHOW) {
self::setDOMElementAttribute($element, 'showHide', ShowHide::getNameByConstant(ShowHide::HIDE));
}
if ($element->localName === 'gapImg' && $component->hasObjectLabel() === true) {
self::setDOMElementAttribute($element, 'objectLabel', $component->getObjectLabel());
}
foreach ($elements as $e) {
if ($element->localName === 'gapImg') {
$element->appendChild($e);
} else {
// 'gapText'...
if (Version::compare($version, '2.1.0', '>=') || Version::compare($version, '2.1.0', '<') && $e instanceof DOMCharacterData) {
// In QTI 2.0, only plain text is allowed...
$element->appendChild($e);
}
}
}
if (Version::compare($version, '2.1.0', '<') === true) {
$matchGroup = $component->getMatchGroup();
if (count($matchGroup) > 0) {
self::setDOMElementAttribute($element, 'matchGroup', implode(' ', $matchGroup->getArrayCopy()));
}
}
return $element;
}
/**
* @see \qtism\data\storage\xml\marshalling\RecursiveMarshaller::marshallChildrenKnown()
*/
protected function marshallChildrenKnown(QtiComponent $component, array $elements)
{
$version = $this->getVersion();
$element = self::getDOMCradle()->createElement($component->getQtiClassName());
$this->fillElement($element, $component);
// responseIdentifier.
self::setDOMElementAttribute($element, 'responseIdentifier', $component->getResponseIdentifier());
// prompt.
if ($component->hasPrompt() === true) {
$element->appendChild($this->getMarshallerFactory()->createMarshaller($component->getPrompt())->marshall($component->getPrompt()));
}
// shuffle.
if (Version::compare($version, '2.1.0', '>=') && $component->mustShuffle() !== false) {
self::setDOMElementAttribute($element, 'shuffle', true);
} else {
if (Version::compare($version, '2.0.0', '==') === true) {
self::setDOMElementAttribute($element, 'shuffle', $component->mustShuffle());
}
}
// maxAssociations.
if (Version::compare($version, '2.0.0', '==') === true || Version::compare($version, '2.1.0', '>=') === true && $component->getMaxAssociations() !== 1) {
self::setDOMElementAttribute($element, 'maxAssociations', $component->getMaxAssociations());
}
// minAssociations.
if (Version::compare($version, '2.1.0', '>=') && $component->getMinAssociations() !== 0) {
self::setDOMElementAttribute($element, 'minAssociations', $component->getMinAssociations());
}
// xml:base.
if ($component->hasXmlBase() === true) {
self::setXmlBase($element, $component->getXmlBase());
}
foreach ($elements as $e) {
$element->appendChild($e);
}
return $element;
}
/**
* Unmarshall a DOMElement object corresponding to a textEntryInteraction/extendedTextInteraction element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A TextEntryInteraction/ExtendedTextInteraction object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
$version = $this->getVersion();
if (($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 (Version::compare($version, '2.1.0', '>=') === true && ($minStrings = self::getDOMElementAttributeAs($element, 'minStrings', 'integer')) !== null) {
$component->setMinStrings($minStrings);
}
if (($expectedLines = self::getDOMElementAttributeAs($element, 'expectedLines', 'integer')) !== null) {
$component->setExpectedLines($expectedLines);
}
if (Version::compare($version, '2.1.0', '>=') === true && ($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]));
}
}
$this->fillBodyElement($component, $element);
return $component;
} else {
$msg = "The mandatory 'responseIdentifier' attribute is missing from the '" . $element->localName . "' element.";
throw new UnmarshallingException($msg, $element);
}
}
/**
* @see \qtism\data\storage\xml\marshalling\RecursiveMarshaller::marshallChildrenKnown()
*/
protected function marshallChildrenKnown(QtiComponent $component, array $elements)
{
$version = $this->getVersion();
$element = self::getDOMCradle()->createElement($component->getQtiClassName());
$this->fillElement($element, $component);
self::setDOMElementAttribute($element, 'responseIdentifier', $component->getResponseIdentifier());
self::setDOMElementAttribute($element, 'maxChoices', $component->getMaxChoices());
if ($component->hasPrompt() === true) {
$element->appendChild($this->getMarshallerFactory()->createMarshaller($component->getPrompt())->marshall($component->getPrompt()));
}
$element->appendChild($this->getMarshallerFactory()->createMarshaller($component->getObject())->marshall($component->getObject()));
if (Version::compare($version, '2.1.0', '>=') === true && $component->getMinChoices() !== 0) {
self::setDOMElementAttribute($element, 'minChoices', $component->getMinChoices());
}
self::setDOMElementAttribute($element, 'maxChoices', $component->getMaxChoices());
if ($component->hasXmlBase() === true) {
self::setXmlBase($element, $component->getXmlBase());
}
foreach ($elements as $e) {
$element->appendChild($e);
}
return $element;
}
public function testUnknownOperator()
{
$msg = "Unknown operator '!=='. Known operators are '<, lt, <=, le, >, gt, >=, ge, ==, =, eq, !=, <>, ne'.";
$this->setExpectedException('\\InvalidArgumentException', $msg);
Version::compare('2.1.1', '2.2.0', '!==');
}
/**
* Unmarshall a DOMElement object corresponding to a QTI mapEntry element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A MapEntry object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
if (($mapKey = static::getDOMElementAttributeAs($element, 'mapKey')) !== null) {
try {
$mapKey = Utils::stringToDatatype($mapKey, $this->getBaseType());
if (($mappedValue = static::getDOMElementAttributeAs($element, 'mappedValue', 'float')) !== null) {
$object = new MapEntry($mapKey, $mappedValue);
if (Version::compare($this->getVersion(), '2.0.0', '>') && ($caseSensitive = static::getDOMElementAttributeAs($element, 'caseSensitive', 'boolean')) !== null) {
$object->setCaseSensitive($caseSensitive);
}
return $object;
} else {
$msg = "The mandatory 'mappedValue' attribute is missing from element '" . $element->nodName . "'.";
throw new UnmarshallingException($msg, $element);
}
} catch (UnexpectedValueException $e) {
$msg = "The value of the 'mapKey' attribute '{$mapKey}' could not be converted to qti:valueType.";
throw new UnmarshallingException($msg, $element, $e);
}
} else {
$msg = "The mandatory 'mapKey' attribute is missing from the '" . $element->localName . "' element";
throw new UnmarshallingException($msg, $element);
}
}
/**
* Unmarshall a DOMElement object corresponding to an XHTML gap element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A Gap object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
$version = $this->getVersion();
if (($identifier = self::getDOMElementAttributeAs($element, 'identifier')) !== null) {
$component = new Gap($identifier);
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));
}
if (Version::compare($version, '2.1.0', '>=') === true && ($required = self::getDOMElementAttributeAs($element, 'required', 'boolean')) !== null) {
$component->setRequired($required);
}
if (Version::compare($version, '2.1.0', '<') === true && ($matchGroup = self::getDOMElementAttributeAs($element, 'matchGroup')) !== null) {
$component->setMatchGroup(new IdentifierCollection(explode(" ", $matchGroup)));
}
$this->fillBodyElement($component, $element);
return $component;
} else {
$msg = "The mandatory 'identifier' attribute is missing from the 'gap' element.";
throw new UnmarshallingException($msg, $element);
}
}
/**
* Unmarshall a DOMElement object corresponding to a hotspotChoice/associableHotspot element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent A HotspotChoice/AssociableHotspot object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
$version = $this->getVersion();
if (($identifier = self::getDOMElementAttributeAs($element, 'identifier')) !== null) {
if (($shape = self::getDOMElementAttributeAs($element, 'shape')) !== null) {
if (($coords = self::getDOMElementAttributeAs($element, 'coords')) !== null) {
$shape = QtiShape::getConstantByName($shape);
if ($shape === false) {
$msg = "The value of the mandatory attribute 'shape' is not a value from the 'shape' enumeration.";
throw new UnmarshallingException($msg, $element);
}
try {
$coords = Utils::stringToCoords($coords, $shape);
} catch (UnexpectedValueException $e) {
$msg = "The coordinates 'coords' of element '" . $element->localName . "' are not valid regarding the shape they are bound to.";
throw new UnmarshallingException($msg, $element, $e);
} catch (InvalidArgumentException $e) {
$msg = "The coordinates 'coords' of element '" . $element->localName . "' could not be converted.";
throw new UnmarshallingException($msg, $element, $e);
}
if ($element->localName === 'hotspotChoice') {
$component = new HotspotChoice($identifier, $shape, $coords);
} else {
if (($matchMax = self::getDOMElementAttributeAs($element, 'matchMax', 'integer')) !== null) {
$component = new AssociableHotspot($identifier, $matchMax, $shape, $coords);
} else {
$msg = "The mandatory attribute 'matchMax' is missing from element 'associableHotspot'.";
throw new UnmarshallingException($msg, $element);
}
}
if (($hotspotLabel = self::getDOMElementAttributeAs($element, 'hotspotLabel')) !== null) {
$component->setHotspotLabel($hotspotLabel);
}
if (($fixed = self::getDOMElementAttributeAs($element, 'fixed', 'boolean')) !== null) {
$component->setFixed($fixed);
}
if (($templateIdentifier = self::getDOMElementAttributeAs($element, 'templateIdentifier')) !== null) {
$component->setTemplateIdentifier($templateIdentifier);
}
if (($showHide = self::getDOMElementAttributeAs($element, 'showHide')) !== null) {
if (($showHide = ShowHide::getConstantByName($showHide)) !== false) {
$component->setShowHide($showHide);
} else {
$msg = "The value of the 'showHide' attribute of element '" . $element->localName . "' is not a value from the 'showHide' enumeration.";
throw new UnmarshallingException($msg, $element);
}
}
if ($element->localName === 'associableHotspot') {
if (Version::compare($version, '2.1.0', '<') === true) {
if (($matchGroup = self::getDOMElementAttributeAs($element, 'matchGroup')) !== null) {
$component->setMatchGroup(new IdentifierCollection(explode(" ", $matchGroup)));
}
}
if (Version::compare($version, '2.1.0', '>=') === true) {
if (($matchMin = self::getDOMElementAttributeAs($element, 'matchMin', 'integer')) !== null) {
$component->setMatchMin($matchMin);
}
}
}
$this->fillBodyElement($component, $element);
return $component;
} else {
$msg = "The mandatory attribute 'coords' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The mandatory attribute 'shape' is missing from element '" . $element->localName . "'.";
throw new UnmarshallingException($msg, $element);
}
} else {
$msg = "The mandatory attribute 'identifier' is missing from element '" . $element->localName . "'.";
}
}
/**
* Unmarshall a DOMElement object corresponding to a QTI outcomeDeclaration element.
*
* @param \DOMElement $element A DOMElement object.
* @return \qtism\data\QtiComponent An OutcomeDeclaration object.
* @throws \qtism\data\storage\xml\marshalling\UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
try {
$version = $this->getVersion();
$baseComponent = parent::unmarshall($element);
$object = new OutcomeDeclaration($baseComponent->getIdentifier());
$object->setBaseType($baseComponent->getBaseType());
$object->setCardinality($baseComponent->getCardinality());
$object->setDefaultValue($baseComponent->getDefaultValue());
// deal with views.
if (Version::compare($version, '2.1.0', '>=') === true && ($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 (Version::compare($version, '2.1.0', '>=') === true && ($normalMinimum = static::getDOMElementAttributeAs($element, 'normalMinimum', 'float')) !== null) {
$object->setNormalMinimum($normalMinimum);
}
// deal with matseryValue.
if (Version::compare($version, '2.1.0', '>=') === true && ($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);
}
}