private function buildOptionCollection(choicematrix $question, $stemCount)
{
$optionIndexIdentifierMap = [];
$optionCollection = new SimpleAssociableChoiceCollection();
foreach ($question->get_options() as $key => $optionValue) {
// Learnosity's `choicematrix` always have its options to have any number of associable choice, thus setting to stems count
// Same as above, won't validate upon empty response, thus setting match min to 1
$optionChoice = new SimpleAssociableChoice('OPTION_' . $key, $stemCount);
$optionChoice->setMatchMin(1);
$optionChoice->setContent(ContentCollectionBuilder::buildFlowStaticCollectionContent(QtiMarshallerUtil::unmarshallElement($optionValue)));
$optionCollection->attach($optionChoice);
$optionIndexIdentifierMap[$key] = $optionChoice->getIdentifier();
}
return [$optionCollection, $optionIndexIdentifierMap];
}
public function getQuestionType()
{
/* @var QtiMatchInteraction $interaction */
$interaction = $this->interaction;
if ($interaction->mustShuffle()) {
LogService::log('Shuffle attribute is not supported');
}
$simpleMatchSetCollection = $interaction->getSimpleMatchSets();
$stems = $this->buildOptions($simpleMatchSetCollection[0], $this->stemMapping);
$options = $this->buildOptions($simpleMatchSetCollection[1], $this->optionsMapping);
// Build validation
$validationBuilder = new MatchInteractionValidationBuilder($this->stemMapping, $this->optionsMapping, $this->responseDeclaration);
$validation = $validationBuilder->buildValidation($this->responseProcessingTemplate);
if ($interaction->getMaxAssociations() !== count($stems)) {
LogService::log('Max Association number not equals to number of stems is not supported');
}
$uiStyle = new choicematrix_ui_style();
$uiStyle->set_type('table');
$isMultipleResponse = $this->isMultipleResponse($interaction);
$question = new choicematrix('choicematrix', $options, $stems);
$question->set_multiple_responses($isMultipleResponse);
$question->set_stimulus($this->getPrompt());
$question->set_ui_style($uiStyle);
if ($validation) {
$question->set_validation($validation);
}
return $question;
}
private function buildSimpleChoiceMatrixQuestion()
{
$question = new choicematrix('choicematrix', ["Option 1", "Option 2", "Option 3"], ["Stem 1", "Stem 2"]);
$question->set_multiple_responses(false);
$question->set_stimulus('My stimulus string');
return $question;
}