/**
* Unmarshall a DOMElement object corresponding to a selectPointInteraction element.
*
* @param DOMElement $element A DOMElement object.
* @return QtiComponent A SelectPointInteraction object.
* @throws UnmarshallingException
*/
protected function unmarshall(DOMElement $element)
{
if (($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, $maxChoices);
if (($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);
}
self::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);
}
}
/**
* @depends testMarshall21
*/
public function testMarshall20()
{
// Make sure minChoices is not in the output in a QTI 2.0 context.
$object = new Object('./myimg.png', 'image/png');
$selectPointInteraction = new SelectPointInteraction('RESPONSE', $object, 1);
$selectPointInteraction->setMinChoices(1);
$element = $this->getMarshallerFactory('2.0.0')->createMarshaller($selectPointInteraction)->marshall($selectPointInteraction);
$dom = new DOMDocument('1.0', 'UTF-8');
$element = $dom->importNode($element, true);
$this->assertEquals('<selectPointInteraction responseIdentifier="RESPONSE" maxChoices="1"><object data="./myimg.png" type="image/png"/></selectPointInteraction>', $dom->saveXML($element));
}
public function testMarshall()
{
$object = new Object('./myimg.png', 'image/png');
$prompt = new Prompt();
$prompt->setContent(new FlowStaticCollection(array(new TextRun('Prompt...'))));
$selectPointInteraction = new SelectPointInteraction('RESPONSE', $object, 1);
$selectPointInteraction->setPrompt($prompt);
$element = $this->getMarshallerFactory()->createMarshaller($selectPointInteraction)->marshall($selectPointInteraction);
$dom = new DOMDocument('1.0', 'UTF-8');
$element = $dom->importNode($element, true);
$this->assertEquals('<selectPointInteraction responseIdentifier="RESPONSE" maxChoices="1"><prompt>Prompt...</prompt><object data="./myimg.png" type="image/png"/></selectPointInteraction>', $dom->saveXML($element));
}