public function convert(BaseQuestionType $questionType, $interactionIdentifier, $interactionLabel)
{
//TODO: Need validation a question shall have at least 1 {{response}} and 1 item in `possible_responses`
/** @var clozeassociation $question */
$question = $questionType;
// Replace {{ response }} with `gap` elements
$index = 0;
$template = preg_replace_callback('/{{response}}/', function ($match) use(&$index) {
$gapIdentifier = self::GAP_IDENTIFIER_PREFIX . $index;
$replacement = '<gap identifier="' . $gapIdentifier . '"/>';
$index++;
return $replacement;
}, $question->get_template());
$content = ContentCollectionBuilder::buildBlockStaticCollectionContent(QtiMarshallerUtil::unmarshallElement($template));
// Map `possible_responses` to gaps
// TODO: Detect `img`
$gapChoices = new GapChoiceCollection();
$possibleResponses = $question->get_possible_responses();
$matchMax = $question->get_duplicate_responses() ? count($possibleResponses) : 1;
foreach ($possibleResponses as $index => $possibleResponse) {
$gapChoice = new GapText(self::GAPCHOICE_IDENTIFIER_PREFIX . $index, $matchMax);
$gapChoiceContent = new TextOrVariableCollection();
$gapChoiceContent->attach(new TextRun($possibleResponse));
$gapChoice->setContent($gapChoiceContent);
$gapChoices->attach($gapChoice);
}
$interaction = new GapMatchInteraction($interactionIdentifier, $gapChoices, $content);
$interaction->setLabel($interactionLabel);
$interaction->setPrompt($this->convertStimulusForPrompt($question->get_stimulus()));
$validationBuilder = new ClozeassociationValidationBuilder($possibleResponses);
list($responseDeclaration, $responseProcessing) = $validationBuilder->buildValidation($interaction->getResponseIdentifier(), $question->get_validation());
return [$interaction, $responseDeclaration, $responseProcessing];
}
private function buildTemplate(QtiGapMatchInteraction $interaction)
{
$templateCollection = new QtiComponentCollection();
foreach ($interaction->getComponents() as $component) {
// Ignore `prompt` and the `gapChoice` since they are going to be mapped somewhere else :)
if (!$component instanceof Prompt && !$component instanceof GapChoice) {
$templateCollection->attach($component);
}
}
$gapIdentifiers = [];
$content = QtiMarshallerUtil::marshallCollection($templateCollection);
foreach ($interaction->getComponentsByClassName('gap', true) as $gap) {
/** @var Gap $gap */
$gapIdentifiers[] = $gap->getIdentifier();
$gapString = QtiMarshallerUtil::marshall($gap);
$content = str_replace($gapString, '{{response}}', $content);
}
return [$content, $gapIdentifiers];
}
public function testCreateShufflingFromGapMatchInteraction()
{
$choiceCollection = new GapChoiceCollection();
$choiceCollection[] = new GapText('id1', 1);
$choiceCollection[] = new GapText('id2', 1);
$choiceCollection[] = new GapText('id3', 1);
$blockCollection = new BlockStaticCollection(array(new Div()));
$gapMatchInteraction = new GapMatchInteraction('RESPONSE', $choiceCollection, $blockCollection);
$gapMatchInteraction->setShuffle(true);
$shuffling = StateUtils::createShufflingFromInteraction($gapMatchInteraction);
$this->assertEquals('RESPONSE', $shuffling->getResponseIdentifier());
$shufflingGroups = $shuffling->getShufflingGroups();
$this->assertEquals(1, count($shufflingGroups));
$this->assertEquals(array('id1', 'id2', 'id3'), $shufflingGroups[0]->getIdentifiers()->getArrayCopy());
}
