public function convert(BaseQuestionType $question, $interactionIdentifier, $interactionLabel)
{
/** @var choicematrix $question */
// Is multiple response ?
$isMultipleResponses = !empty($question->get_multiple_responses()) ? $question->get_multiple_responses() : false;
$optionCount = count($question->get_options());
$stemCount = count($question->get_stems());
// Append the two sets of choices, the first set defines the source choices and the second set the targets
$simpleMatchCollection = new SimpleMatchSetCollection();
list($stemCollection, $stemIndexIdentifierMap) = $this->buildStemCollection($question, $isMultipleResponses, $optionCount);
list($optionCollection, $optionIndexIdentifierMap) = $this->buildOptionCollection($question, $stemCount);
$simpleMatchCollection->attach(new SimpleMatchSet($stemCollection));
$simpleMatchCollection->attach(new SimpleMatchSet($optionCollection));
// Build the interaction
$interaction = new MatchInteraction($interactionIdentifier, $simpleMatchCollection);
$interaction->setPrompt($this->convertStimulusForPrompt($question->get_stimulus()));
$interaction->setLabel($interactionLabel);
$interaction->setShuffle(false);
// No support for shuffling
// If multiple response set then student is allowed to put 1 association (tick 1 box) or (optionCount * stemCount) association (tick all the boxes)
$interaction->setMaxAssociations($isMultipleResponses ? $optionCount * $stemCount : $stemCount);
$interaction->setMinAssociations($isMultipleResponses ? 1 : $stemCount);
$builder = new ChoicematrixValidationBuilder($stemIndexIdentifierMap, $optionIndexIdentifierMap);
list($responseDeclaration, $responseProcessing) = $builder->buildValidation($interactionIdentifier, $question->get_validation());
return [$interaction, $responseDeclaration, $responseProcessing];
}
/**
* @depends testMarshall20
*/
public function testMarshallNoMinAssociations()
{
// Aims at testing that minAssociations is never in the output
// in a QTI 2.0 context.
$choice1A = new SimpleAssociableChoice('choice1A', 1);
$choice1A->setContent(new FlowStaticCollection(array(new TextRun('choice1A'))));
$choice2A = new SimpleAssociableChoice('choice2A', 1);
$choice2A->setContent(new FlowStaticCollection(array(new TextRun('choice2A'))));
$set1 = new SimpleMatchSet(new SimpleAssociableChoiceCollection(array($choice1A)));
$set2 = new SimpleMatchSet(new SimpleAssociableChoiceCollection(array($choice2A)));
$matchInteraction = new MatchInteraction('RESPONSE', new SimpleMatchSetCollection(array($set1, $set2)));
$matchInteraction->setMinAssociations(1);
$marshaller = $this->getMarshallerFactory('2.0.0')->createMarshaller($matchInteraction);
$element = $marshaller->marshall($matchInteraction);
$dom = new DOMDocument('1.0', 'UTF-8');
$element = $dom->importNode($element, true);
$this->assertEquals('<matchInteraction responseIdentifier="RESPONSE" shuffle="false" maxAssociations="1"><simpleMatchSet><simpleAssociableChoice identifier="choice1A" matchMax="1">choice1A</simpleAssociableChoice></simpleMatchSet><simpleMatchSet><simpleAssociableChoice identifier="choice2A" matchMax="1">choice2A</simpleAssociableChoice></simpleMatchSet></matchInteraction>', $dom->saveXML($element));
}
