public function getQuestionType()
{
/** @var QtiGraphicGapMatchInteraction $interaction */
$interaction = $this->interaction;
/** @var Object $imageObject */
$imageObject = $interaction->getObject();
// Yes, width and height is necessary unfortunately
if ($imageObject->getHeight() < 0 || $imageObject->getWidth() < 0) {
throw new MappingException('Hotspot interaction image object need to specifiy both width and height for conversion');
}
$possibleResponseMapping = $this->buildPossibleResponseMapping($interaction);
$associableHotspots = $this->buildTemplate($interaction, $imageObject);
$image = new imageclozeassociation_image();
$image->set_src($imageObject->getData());
$responseContainers = [];
$responsePosition = [];
foreach ($associableHotspots as $associableHotspot) {
$responsePosition[] = ['x' => $associableHotspot['x'], 'y' => $associableHotspot['y']];
$responseContainer = new imageclozedropdown_response_containers_item();
$responseContainer->set_height($associableHotspot['height'] . 'px');
$responseContainer->set_width($associableHotspot['width'] . 'px');
$responseContainers[] = $responseContainer;
}
$question = new imageclozeassociation($image, $responsePosition, 'imageclozeassociation', array_values($possibleResponseMapping));
$question->set_response_containers($responseContainers);
$question->set_stimulus($this->getPrompt());
// Build dah` validation
$hotspotIdentifiers = array_keys($associableHotspots);
$validationBuilder = new GapMatchInteractionValidationBuilder('imageclozeassociation', $hotspotIdentifiers, $possibleResponseMapping, $this->responseDeclaration);
$validation = $validationBuilder->buildValidation($this->responseProcessingTemplate);
if ($validation) {
$question->set_validation($validation);
}
$question->set_duplicate_responses($validationBuilder->isDuplicatedResponse());
return $question;
}
private function buildMainImageObject(imageclozeassociation_image $image)
{
$imageSrc = $image->get_src();
list($imageWidth, $imageHeight) = CurlUtil::getImageSize(CurlUtil::prepareUrlForCurl($imageSrc));
$imageObject = new Object($imageSrc, MimeUtil::guessMimeType($imageSrc));
$imageObject->setWidth($imageWidth);
$imageObject->setHeight($imageHeight);
// Map `alt` to object content
if (!is_null($image->get_alt())) {
$objectFlowCollection = new ObjectFlowCollection();
$objectFlowCollection->attach(new TextRun($image->get_alt()));
$imageObject->setContent($objectFlowCollection);
}
return $imageObject;
}
