/**
* Short description of method takeOverFrom
*
* @access public
* @author Joel Bout, <*****@*****.**>
* @param ResponseProcessing responseProcessing
* @param Item item
* @return oat\taoQtiItem\model\qti\response\ResponseProcessing
*/
public static function takeOverFrom(ResponseProcessing $responseProcessing, Item $item)
{
$returnValue = null;
if ($responseProcessing instanceof self) {
return $responseProcessing;
}
if ($responseProcessing instanceof Template) {
$returnValue = new TemplatesDriven();
// theoretic only interaction 'RESPONSE' should be considered
foreach ($item->getInteractions() as $interaction) {
$returnValue->setTemplate($interaction->getResponse(), $responseProcessing->getUri());
}
$returnValue->setRelatedItem($item);
} else {
throw new TakeoverFailedException();
}
return $returnValue;
}
/**
* Short description of method buildTemplatedrivenResponse
*
* @access public
* @author Joel Bout, <*****@*****.**>
* @param DOMElement data
* @param array interactions
* @return oat\taoQtiItem\model\qti\response\ResponseProcessing
*/
protected function buildTemplatedrivenResponse(DOMElement $data, $interactions)
{
$patternCorrectTAO = '/responseCondition [count(./*) = 1 ] [name(./*[1]) = "responseIf" ] [count(./responseIf/*) = 2 ] [name(./responseIf/*[1]) = "match" ] [name(./responseIf/match/*[1]) = "variable" ] [name(./responseIf/match/*[2]) = "correct" ] [name(./responseIf/*[2]) = "setOutcomeValue" ] [name(./responseIf/setOutcomeValue/*[1]) = "sum" ] [name(./responseIf/setOutcomeValue/sum/*[1]) = "variable" ] [name(./responseIf/setOutcomeValue/sum/*[2]) = "baseValue"]';
$patternMappingTAO = '/responseCondition [count(./*) = 1] [name(./*[1]) = "responseIf"] [count(./responseIf/*) = 2] [name(./responseIf/*[1]) = "not"] [name(./responseIf/not/*[1]) = "isNull"] [name(./responseIf/not/isNull/*[1]) = "variable"] [name(./responseIf/*[2]) = "setOutcomeValue"] [name(./responseIf/setOutcomeValue/*[1]) = "sum"] [name(./responseIf/setOutcomeValue/sum/*[1]) = "variable"] [name(./responseIf/setOutcomeValue/sum/*[2]) = "mapResponse"]';
$patternMappingPointTAO = '/responseCondition [count(./*) = 1] [name(./*[1]) = "responseIf"] [count(./responseIf/*) = 2] [name(./responseIf/*[1]) = "not"] [name(./responseIf/not/*[1]) = "isNull"] [name(./responseIf/not/isNull/*[1]) = "variable"] [name(./responseIf/*[2]) = "setOutcomeValue"] [name(./responseIf/setOutcomeValue/*[1]) = "sum"] [name(./responseIf/setOutcomeValue/sum/*[1]) = "variable"] [name(./responseIf/setOutcomeValue/sum/*[2]) = "mapResponsePoint"]';
$subPatternFeedbackOperatorIf = '[name(./*[1]) = "responseIf" ] [count(./responseIf/*) = 2 ] [contains(name(./responseIf/*[1]/*[1]), "map")] [name(./responseIf/*[1]/*[2]) = "baseValue" ] [name(./responseIf/*[2]) = "setOutcomeValue" ] [name(./responseIf/setOutcomeValue/*[1]) = "baseValue" ]';
$subPatternFeedbackElse = '[name(./*[2]) = "responseElse"] [count(./responseElse/*) = 1 ] [name(./responseElse/*[1]) = "setOutcomeValue"] [name(./responseElse/setOutcomeValue/*[1]) = "baseValue"]';
$subPatternFeedbackCorrect = '[name(./*[1]) = "responseIf" ] [count(./responseIf/*) = 2 ] [name(./responseIf/*[1]) = "match" ] [name(./responseIf/*[1]/*[1]) = "variable" ] [name(./responseIf/*[1]/*[2]) = "correct" ] [name(./responseIf/*[2]) = "setOutcomeValue" ] [name(./responseIf/setOutcomeValue/*[1]) = "baseValue" ]';
$subPatternFeedbackIncorrect = '[name(./*[1]) = "responseIf" ] [count(./responseIf/*) = 2 ] [name(./responseIf/*[1]) = "not" ] [count(./responseIf/not) = 1 ] [name(./responseIf/not/*[1]) = "match" ] [name(./responseIf/not/*[1]/*[1]) = "variable" ] [name(./responseIf/not/*[1]/*[2]) = "correct" ] [name(./responseIf/*[2]) = "setOutcomeValue" ] [name(./responseIf/setOutcomeValue/*[1]) = "baseValue" ]';
$patternFeedbackOperator = '/responseCondition [count(./*) = 1 ]' . $subPatternFeedbackOperatorIf;
$patternFeedbackOperatorWithElse = '/responseCondition [count(./*) = 2 ]' . $subPatternFeedbackOperatorIf . $subPatternFeedbackElse;
$patternFeedbackCorrect = '/responseCondition [count(./*) = 1 ]' . $subPatternFeedbackCorrect;
$patternFeedbackCorrectWithElse = '/responseCondition [count(./*) = 2 ]' . $subPatternFeedbackCorrect . $subPatternFeedbackElse;
$patternFeedbackIncorrect = '/responseCondition [count(./*) = 1 ]' . $subPatternFeedbackIncorrect;
$patternFeedbackIncorrectWithElse = '/responseCondition [count(./*) = 2 ]' . $subPatternFeedbackIncorrect . $subPatternFeedbackElse;
$rules = array();
$simpleFeedbackRules = array();
$data = simplexml_import_dom($data);
foreach ($data as $responseRule) {
$subtree = new SimpleXMLElement($responseRule->asXML());
if (count($subtree->xpath($patternCorrectTAO)) > 0) {
$responseIdentifier = (string) $subtree->responseIf->match->variable['identifier'];
$rules[$responseIdentifier] = Template::MATCH_CORRECT;
} elseif (count($subtree->xpath($patternMappingTAO)) > 0) {
$responseIdentifier = (string) $subtree->responseIf->not->isNull->variable['identifier'];
$rules[$responseIdentifier] = Template::MAP_RESPONSE;
} elseif (count($subtree->xpath($patternMappingPointTAO)) > 0) {
$responseIdentifier = (string) $subtree->responseIf->not->isNull->variable['identifier'];
$rules[$responseIdentifier] = Template::MAP_RESPONSE_POINT;
} elseif (count($subtree->xpath($patternFeedbackCorrect)) > 0 || count($subtree->xpath($patternFeedbackCorrectWithElse)) > 0) {
$responseIdentifier = (string) $subtree->responseIf->match->variable['identifier'];
$feedbackOutcomeIdentifier = (string) $subtree->responseIf->setOutcomeValue['identifier'];
$feedbackIdentifier = (string) $subtree->responseIf->setOutcomeValue->baseValue;
try {
$response = $this->getResponse($responseIdentifier);
$outcome = $this->getOutcome($feedbackOutcomeIdentifier);
$feedbackThen = $this->getModalFeedback($feedbackIdentifier);
$feedbackElse = null;
if ($subtree->responseElse->getName()) {
$feedbackElseIdentifier = (string) $subtree->responseElse->setOutcomeValue->baseValue;
$feedbackElse = $this->getModalFeedback($feedbackElseIdentifier);
}
$feedbackRule = new SimpleFeedbackRule($outcome, $feedbackThen, $feedbackElse);
$feedbackRule->setCondition($response, 'correct');
if (!isset($simpleFeedbackRules[$responseIdentifier])) {
$simpleFeedbackRules[$responseIdentifier] = array();
}
$simpleFeedbackRules[$responseIdentifier][] = $feedbackRule;
} catch (ParsingException $e) {
throw new UnexpectedResponseProcessing('Feedback resources not found. Not template driven, unknown rule');
}
} elseif (count($subtree->xpath($patternFeedbackIncorrect)) > 0 || count($subtree->xpath($patternFeedbackIncorrectWithElse)) > 0) {
$responseIdentifier = (string) $subtree->responseIf->not->match->variable['identifier'];
$feedbackOutcomeIdentifier = (string) $subtree->responseIf->setOutcomeValue['identifier'];
$feedbackIdentifier = (string) $subtree->responseIf->setOutcomeValue->baseValue;
try {
$response = $this->getResponse($responseIdentifier);
$outcome = $this->getOutcome($feedbackOutcomeIdentifier);
$feedbackThen = $this->getModalFeedback($feedbackIdentifier);
$feedbackElse = null;
if ($subtree->responseElse->getName()) {
$feedbackElseIdentifier = (string) $subtree->responseElse->setOutcomeValue->baseValue;
$feedbackElse = $this->getModalFeedback($feedbackElseIdentifier);
}
$feedbackRule = new SimpleFeedbackRule($outcome, $feedbackThen, $feedbackElse);
$feedbackRule->setCondition($response, 'incorrect');
if (!isset($simpleFeedbackRules[$responseIdentifier])) {
$simpleFeedbackRules[$responseIdentifier] = array();
}
$simpleFeedbackRules[$responseIdentifier][] = $feedbackRule;
} catch (ParsingException $e) {
throw new UnexpectedResponseProcessing('Feedback resources not found. Not template driven, unknown rule');
}
} elseif (count($subtree->xpath($patternFeedbackOperator)) > 0 || count($subtree->xpath($patternFeedbackOperatorWithElse)) > 0) {
$operator = '';
$responseIdentifier = '';
$value = '';
foreach ($subtree->responseIf->children() as $child) {
$operator = $child->getName();
$map = null;
foreach ($child->children() as $granChild) {
$map = $granChild->getName();
$responseIdentifier = (string) $granChild['identifier'];
break;
}
$value = (string) $child->baseValue;
break;
}
$feedbackOutcomeIdentifier = (string) $subtree->responseIf->setOutcomeValue['identifier'];
$feedbackIdentifier = (string) $subtree->responseIf->setOutcomeValue->baseValue;
try {
$response = $this->getResponse($responseIdentifier);
$outcome = $this->getOutcome($feedbackOutcomeIdentifier);
$feedbackThen = $this->getModalFeedback($feedbackIdentifier);
$feedbackElse = null;
if ($subtree->responseElse->getName()) {
$feedbackElseIdentifier = (string) $subtree->responseElse->setOutcomeValue->baseValue;
$feedbackElse = $this->getModalFeedback($feedbackElseIdentifier);
}
$feedbackRule = new SimpleFeedbackRule($outcome, $feedbackThen, $feedbackElse);
$feedbackRule->setCondition($response, $operator, $value);
if (!isset($simpleFeedbackRules[$responseIdentifier])) {
$simpleFeedbackRules[$responseIdentifier] = array();
}
$simpleFeedbackRules[$responseIdentifier][] = $feedbackRule;
} catch (ParsingException $e) {
throw new UnexpectedResponseProcessing('Feedback resources not found. Not template driven, unknown rule');
}
} else {
throw new UnexpectedResponseProcessing('Not template driven, unknown rule');
}
//add simple feedback rules parsing here
}
$responseIdentifiers = array();
foreach ($interactions as $interaction) {
$interactionResponse = $interaction->getResponse();
$responseIdentifier = $interactionResponse->getIdentifier();
$responseIdentifiers[] = $responseIdentifier;
//create and set simple feedback rule here
if (isset($simpleFeedbackRules[$responseIdentifier])) {
foreach ($simpleFeedbackRules[$responseIdentifier] as $rule) {
$interactionResponse->addFeedbackRule($rule);
}
}
}
if (count(array_diff($responseIdentifiers, array_keys($rules))) > 0 || count(array_diff(array_keys($rules), $responseIdentifiers)) > 0) {
throw new UnexpectedResponseProcessing('Not template driven, responseIdentifiers are ' . implode(',', $responseIdentifiers) . ' while rules are ' . implode(',', array_keys($rules)));
}
$templatesDrivenRP = new TemplatesDriven();
foreach ($interactions as $interaction) {
$pattern = $rules[$interaction->getResponse()->getIdentifier()];
$templatesDrivenRP->setTemplate($interaction->getResponse(), $pattern);
}
$templatesDrivenRP->setRelatedItem($this->item);
$returnValue = $templatesDrivenRP;
return $returnValue;
}
