private void buildMainScoreRulePerAnswer(ResponseCondition rule) {
ensureFeedbackBasicOutcomeDeclaration();
/*
<responseCondition>
<responseIf>
<not>
<isNull>
<variable identifier="RESPONSE_1" />
</isNull>
</not>
<setOutcomeValue identifier="SCORE">
<sum>
<variable identifier="SCORE" />
<mapResponse identifier="RESPONSE_1" />
</sum>
</setOutcomeValue>
<setOutcomeValue identifier="FEEDBACKBASIC">
<baseValue baseType="identifier">
incorrect
</baseValue>
</setOutcomeValue>
</responseIf>
</responseCondition>
*/
ResponseIf responseIf = new ResponseIf(rule);
rule.setResponseIf(responseIf);
Not not = new Not(responseIf);
responseIf.getExpressions().add(not);
IsNull isNull = new IsNull(not);
not.getExpressions().add(isNull);
Variable responseVar = new Variable(isNull);
ComplexReferenceIdentifier choiceResponseIdentifier =
ComplexReferenceIdentifier.parseString(
choiceInteraction.getResponseIdentifier().toString());
responseVar.setIdentifier(choiceResponseIdentifier);
isNull.getExpressions().add(responseVar);
{ // outcome score
SetOutcomeValue scoreOutcome = new SetOutcomeValue(responseIf);
scoreOutcome.setIdentifier(QTI21Constants.SCORE_IDENTIFIER);
responseIf.getResponseRules().add(scoreOutcome);
Sum sum = new Sum(scoreOutcome);
scoreOutcome.getExpressions().add(sum);
Variable scoreVar = new Variable(sum);
scoreVar.setIdentifier(QTI21Constants.SCORE_CLX_IDENTIFIER);
sum.getExpressions().add(scoreVar);
MapResponse mapResponse = new MapResponse(sum);
mapResponse.setIdentifier(choiceInteraction.getResponseIdentifier());
sum.getExpressions().add(mapResponse);
}
{ // outcome feedback
SetOutcomeValue incorrectOutcomeValue = new SetOutcomeValue(responseIf);
incorrectOutcomeValue.setIdentifier(QTI21Constants.FEEDBACKBASIC_IDENTIFIER);
responseIf.getResponseRules().add(incorrectOutcomeValue);
BaseValue incorrectValue = new BaseValue(incorrectOutcomeValue);
incorrectValue.setBaseTypeAttrValue(BaseType.IDENTIFIER);
incorrectValue.setSingleValue(QTI21Constants.INCORRECT_IDENTIFIER_VALUE);
incorrectOutcomeValue.setExpression(incorrectValue);
}
}
private void buildMainScoreRuleAllCorrectAnswers(ResponseCondition rule) {
ensureFeedbackBasicOutcomeDeclaration();
/*
<responseIf>
<isNull>
<variable identifier="RESPONSE_1" />
</isNull>
<setOutcomeValue identifier="FEEDBACKBASIC">
<baseValue baseType="identifier">
empty
</baseValue>
</setOutcomeValue>
</responseIf>
*/
// if no response
ResponseIf responseIf = new ResponseIf(rule);
rule.setResponseIf(responseIf);
IsNull isNull = new IsNull(responseIf);
responseIf.getExpressions().add(isNull);
Variable variable = new Variable(isNull);
variable.setIdentifier(ComplexReferenceIdentifier.parseString(responseIdentifier.toString()));
isNull.getExpressions().add(variable);
{
SetOutcomeValue feedbackVar = new SetOutcomeValue(responseIf);
feedbackVar.setIdentifier(QTI21Constants.FEEDBACKBASIC_IDENTIFIER);
BaseValue feedbackVal = new BaseValue(feedbackVar);
feedbackVal.setBaseTypeAttrValue(BaseType.IDENTIFIER);
feedbackVal.setSingleValue(new IdentifierValue("empty"));
feedbackVar.setExpression(feedbackVal);
responseIf.getResponseRules().add(feedbackVar);
}
/*
<responseElseIf>
<match>
<variable identifier="RESPONSE_1" />
<correct identifier="RESPONSE_1" />
</match>
<setOutcomeValue identifier="SCORE">
<sum>
<variable identifier="SCORE" />
<variable identifier="MAXSCORE" />
</sum>
</setOutcomeValue>
<setOutcomeValue identifier="FEEDBACKBASIC">
<baseValue baseType="identifier">
correct
</baseValue>
</setOutcomeValue>
</responseElseIf>
*/
// else if correct response
ResponseElseIf responseElseIf = new ResponseElseIf(rule);
rule.getResponseElseIfs().add(responseElseIf);
// match
{
Match match = new Match(responseElseIf);
responseElseIf.getExpressions().add(match);
Variable responseVar = new Variable(match);
responseVar.setIdentifier(
ComplexReferenceIdentifier.parseString(responseIdentifier.toString()));
match.getExpressions().add(responseVar);
Correct correct = new Correct(match);
correct.setIdentifier(ComplexReferenceIdentifier.parseString(responseIdentifier.toString()));
match.getExpressions().add(correct);
}
// outcome score
{
SetOutcomeValue scoreOutcomeVar = new SetOutcomeValue(responseIf);
scoreOutcomeVar.setIdentifier(QTI21Constants.SCORE_IDENTIFIER);
responseElseIf.getResponseRules().add(scoreOutcomeVar);
Sum sum = new Sum(scoreOutcomeVar);
scoreOutcomeVar.getExpressions().add(sum);
Variable scoreVar = new Variable(sum);
scoreVar.setIdentifier(QTI21Constants.SCORE_CLX_IDENTIFIER);
sum.getExpressions().add(scoreVar);
Variable maxScoreVar = new Variable(sum);
maxScoreVar.setIdentifier(QTI21Constants.MAXSCORE_CLX_IDENTIFIER);
sum.getExpressions().add(maxScoreVar);
}
// outcome feedback
{
SetOutcomeValue correctFeedbackVar = new SetOutcomeValue(responseIf);
correctFeedbackVar.setIdentifier(QTI21Constants.FEEDBACKBASIC_IDENTIFIER);
BaseValue correctFeedbackVal = new BaseValue(correctFeedbackVar);
correctFeedbackVal.setBaseTypeAttrValue(BaseType.IDENTIFIER);
correctFeedbackVal.setSingleValue(QTI21Constants.CORRECT_IDENTIFIER_VALUE);
correctFeedbackVar.setExpression(correctFeedbackVal);
responseElseIf.getResponseRules().add(correctFeedbackVar);
}
/*
<responseElse>
<setOutcomeValue identifier="FEEDBACKBASIC">
<baseValue baseType="identifier">
incorrect
</baseValue>
</setOutcomeValue>
</responseElse>
</responseCondition>
*/
ResponseElse responseElse = new ResponseElse(rule);
rule.setResponseElse(responseElse);
{ // feedback incorrect
SetOutcomeValue incorrectFeedbackVar = new SetOutcomeValue(responseIf);
incorrectFeedbackVar.setIdentifier(QTI21Constants.FEEDBACKBASIC_IDENTIFIER);
BaseValue incorrectFeedbackVal = new BaseValue(incorrectFeedbackVar);
incorrectFeedbackVal.setBaseTypeAttrValue(BaseType.IDENTIFIER);
incorrectFeedbackVal.setSingleValue(QTI21Constants.INCORRECT_IDENTIFIER_VALUE);
incorrectFeedbackVar.setExpression(incorrectFeedbackVal);
responseElse.getResponseRules().add(incorrectFeedbackVar);
}
}