public function testMarshall()
{
$interactionObject = new Object('airplane.jpg', 'image/jpeg');
$interactionObject->setHeight(16);
$interactionObject->setWidth(16);
$interaction = new PositionObjectInteraction('RESPONSE', $interactionObject);
$interaction->setCenterPoint(new Point(8, 8));
$stageObject = new Object('country.jpg', 'image/jpeg');
$positionObjectStage = new PositionObjectStage($stageObject, new PositionObjectInteractionCollection(array($interaction)));
$element = $this->getMarshallerFactory('2.1.0')->createMarshaller($positionObjectStage)->marshall($positionObjectStage);
$dom = new DOMDocument('1.0', 'UTF-8');
$element = $dom->importNode($element, true);
$this->assertEquals('<positionObjectStage><object data="country.jpg" type="image/jpeg"/><positionObjectInteraction responseIdentifier="RESPONSE" maxChoices="1" centerPoint="8 8"><object data="airplane.jpg" type="image/jpeg" width="16" height="16"/></positionObjectInteraction></positionObjectStage>', $dom->saveXML($element));
}
/**
* @depends testMarshall21
*/
public function testMarshall20()
{
// Make sure minChoices is not taken into account in a QTI 2.0 context.
$object = new Object('myimg.jpg', 'image/jpeg');
$object->setWidth(400);
$object->setHeight(300);
$positionObjectInteraction = new PositionObjectInteraction('RESPONSE', $object);
$positionObjectInteraction->setMaxChoices(2);
$positionObjectInteraction->setMinChoices(1);
$element = $this->getMarshallerFactory('2.0.0')->createMarshaller($positionObjectInteraction)->marshall($positionObjectInteraction);
$dom = new DOMDocument('1.0', 'UTF-8');
$element = $dom->importNode($element, true);
$this->assertEquals('<positionObjectInteraction responseIdentifier="RESPONSE" maxChoices="2"><object data="myimg.jpg" type="image/jpeg" width="400" height="300"/></positionObjectInteraction>', $dom->saveXML($element));
}
public function testMarshall()
{
$object = new Object('myimg.jpg', 'image/jpeg');
$object->setWidth(400);
$object->setHeight(300);
$prompt = new Prompt();
$prompt->setContent(new FlowStaticCollection(array(new TextRun('Prompt...'))));
$positionObjectInteraction = new PositionObjectInteraction('RESPONSE', $object, 'my-pos');
$positionObjectInteraction->setCenterPoint(new Point(150, 74));
$positionObjectInteraction->setMaxChoices(2);
$positionObjectInteraction->setMinChoices(1);
$element = $this->getMarshallerFactory()->createMarshaller($positionObjectInteraction)->marshall($positionObjectInteraction);
$dom = new DOMDocument('1.0', 'UTF-8');
$element = $dom->importNode($element, true);
$this->assertEquals('<positionObjectInteraction responseIdentifier="RESPONSE" maxChoices="2" minChoices="1" centerPoint="150 74" id="my-pos"><object data="myimg.jpg" type="image/jpeg" width="400" height="300"/></positionObjectInteraction>', $dom->saveXML($element));
}
/**
* 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);
}
}
