Examples with IsNull uk.ac.ed.ph.jqtiplus.node.expression.operator.IsNull used on opensource projects

Example 21 with IsNull

use of uk.ac.ed.ph.jqtiplus.node.expression.operator.IsNull in project openolat by klemens.

the class AssessmentItemFactory method createResponseProcessing.

public static ResponseProcessing createResponseProcessing(AssessmentItem assessmentItem, Identifier responseId) {
    ResponseProcessing responseProcessing = new ResponseProcessing(assessmentItem);
    ResponseCondition rule = new ResponseCondition(responseProcessing);
    // 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(responseId.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);
    }
    // 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(responseId.toString()));
        match.getExpressions().add(responseVar);
        Correct correct = new Correct(match);
        correct.setIdentifier(ComplexReferenceIdentifier.parseString(responseId.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);
    }
    // else failed
    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);
    }
    responseProcessing.getResponseRules().add(rule);
    return responseProcessing;
}

Example 22 with IsNull

use of uk.ac.ed.ph.jqtiplus.node.expression.operator.IsNull in project openolat by klemens.

the class AssessmentItemFactory method createCorrectSolutionModalFeedbackBasicRule.

/**
 * Generate the special case for "correct solution" feedback which is almost the same as
 * incorrect feedback.
 *
 * @param responseProcessing
 * @param feedbackIdentifier
 * @return
 */
public static ResponseCondition createCorrectSolutionModalFeedbackBasicRule(ResponseProcessing responseProcessing, Identifier correctSolutionFeedbackIdentifier, Identifier incorrectFeedbackIdentifier, boolean hint) {
    ResponseCondition rule = new ResponseCondition(responseProcessing);
    /*
		<responseIf>
			<and>
				<match>
					<baseValue baseType="identifier">incorrect</baseValue>
					<variable identifier="FEEDBACKBASIC" />
				</match>
			</and>
			<setOutcomeValue identifier="FEEDBACKMODAL">
				<multiple>
					<variable identifier="FEEDBACKMODAL" />
					<baseValue baseType="identifier">Feedback261171147</baseValue>
				</multiple>
			</setOutcomeValue>
			<setOutcomeValue identifier="SOLUTIONMODAL">
				<baseValue baseType="identifier">Feedback261171147</baseValue>
			</setOutcomeValue>
		</responseIf>
		*/
    ResponseIf responseIf = new ResponseIf(rule);
    rule.setResponseIf(responseIf);
    {
        // rule
        And and = new And(responseIf);
        responseIf.getExpressions().add(and);
        Match match = new Match(and);
        and.getExpressions().add(match);
        BaseValue feedbackVal = new BaseValue(match);
        feedbackVal.setBaseTypeAttrValue(BaseType.IDENTIFIER);
        feedbackVal.setSingleValue(new IdentifierValue(QTI21Constants.INCORRECT));
        match.getExpressions().add(feedbackVal);
        Variable variable = new Variable(match);
        variable.setIdentifier(ComplexReferenceIdentifier.parseString(QTI21Constants.FEEDBACKBASIC));
        match.getExpressions().add(variable);
        // not match the HINT
        if (hint) {
            IsNull isNull = new IsNull(and);
            and.getExpressions().add(isNull);
            Variable hintVar = new Variable(isNull);
            hintVar.setIdentifier(QTI21Constants.HINT_FEEDBACKMODAL_CLX_IDENTIFIER);
            isNull.getExpressions().add(hintVar);
        }
    }
    if (incorrectFeedbackIdentifier != null) {
        // outcome incorrect
        SetOutcomeValue feedbackVar = new SetOutcomeValue(responseIf);
        feedbackVar.setIdentifier(QTI21Constants.FEEDBACKMODAL_IDENTIFIER);
        Multiple multiple = new Multiple(feedbackVar);
        feedbackVar.setExpression(multiple);
        Variable variable = new Variable(multiple);
        variable.setIdentifier(ComplexReferenceIdentifier.parseString(QTI21Constants.FEEDBACKMODAL));
        multiple.getExpressions().add(variable);
        BaseValue feedbackVal = new BaseValue(feedbackVar);
        feedbackVal.setBaseTypeAttrValue(BaseType.IDENTIFIER);
        feedbackVal.setSingleValue(new IdentifierValue(incorrectFeedbackIdentifier));
        multiple.getExpressions().add(feedbackVal);
        responseIf.getResponseRules().add(feedbackVar);
    }
    if (correctSolutionFeedbackIdentifier != null) {
        // outcome correct solution
        SetOutcomeValue feedbackVar = new SetOutcomeValue(responseIf);
        feedbackVar.setIdentifier(QTI21Constants.CORRECT_SOLUTION_IDENTIFIER);
        BaseValue feedbackVal = new BaseValue(feedbackVar);
        feedbackVal.setBaseTypeAttrValue(BaseType.IDENTIFIER);
        feedbackVal.setSingleValue(new IdentifierValue(correctSolutionFeedbackIdentifier));
        feedbackVar.getExpressions().add(feedbackVal);
        responseIf.getResponseRules().add(feedbackVar);
    }
    return rule;
}