Examples with Value uk.ac.ed.ph.jqtiplus.value.Value used on opensource projects

Example 51 with Value

use of uk.ac.ed.ph.jqtiplus.value.Value in project OpenOLAT by OpenOLAT.

the class AssessmentRenderFunctions method testFeedbackVisible.

public static final boolean testFeedbackVisible(TestFeedback testFeedback, TestSessionState testSessionState) {
    // <xsl:variable name="identifierMatch" select="boolean(qw:value-contains(qw:get-test-outcome-value(@outcomeIdentifier), @identifier))" as="xs:boolean"/>
    Identifier outcomeIdentifier = testFeedback.getOutcomeIdentifier();
    Value outcomeValue = testSessionState.getOutcomeValue(outcomeIdentifier);
    boolean identifierMatch = valueContains(outcomeValue, testFeedback.getOutcomeValue());
    // <xsl:if test="($identifierMatch and @showHide='show') or (not($identifierMatch) and @showHide='hide')">
    if ((identifierMatch && testFeedback.getVisibilityMode() == VisibilityMode.SHOW_IF_MATCH) || (!identifierMatch && testFeedback.getVisibilityMode() == VisibilityMode.HIDE_IF_MATCH)) {
        return true;
    }
    return false;
}

Example 52 with Value

use of uk.ac.ed.ph.jqtiplus.value.Value in project OpenOLAT by OpenOLAT.

the class AssessmentRenderFunctions method getResponseValueAsBase64.

public static String getResponseValueAsBase64(AssessmentItem assessmentItem, AssessmentTestSession candidateSession, ItemSessionState itemSessionState, Identifier identifier, boolean solutionMode) {
    Value val = getResponseValue(assessmentItem, itemSessionState, identifier, solutionMode);
    String encodedString = null;
    if (val instanceof FileValue) {
        FileValue fileValue = (FileValue) val;
        File myStore = CoreSpringFactory.getImpl(AssessmentTestSessionDAO.class).getSessionStorage(candidateSession);
        File submissionDir = new File(myStore, "submissions");
        File submittedFile = new File(submissionDir, fileValue.getFileName());
        try (InputStream inStream = new FileInputStream(submittedFile)) {
            byte[] binaryData = IOUtils.toByteArray(inStream);
            encodedString = new String(Base64.encodeBase64(binaryData), "UTF8");
        } catch (Exception e) {
            log.error("", e);
        }
    }
    return encodedString;
}

Example 53 with Value

use of uk.ac.ed.ph.jqtiplus.value.Value in project OpenOLAT by OpenOLAT.

the class SingleChoiceAssessmentItemBuilder method extract.

@Override
public void extract() {
    super.extract();
    if (choiceInteraction != null) {
        ResponseDeclaration responseDeclaration = assessmentItem.getResponseDeclaration(choiceInteraction.getResponseIdentifier());
        if (responseDeclaration != null && responseDeclaration.getCorrectResponse() != null) {
            CorrectResponse correctResponse = responseDeclaration.getCorrectResponse();
            List<FieldValue> values = correctResponse.getFieldValues();
            Value value = FieldValue.computeValue(Cardinality.SINGLE, values);
            if (value instanceof IdentifierValue) {
                IdentifierValue identifierValue = (IdentifierValue) value;
                correctAnswer = identifierValue.identifierValue();
            }
        }
    }
}

Example 54 with Value

use of uk.ac.ed.ph.jqtiplus.value.Value in project OpenOLAT by OpenOLAT.

the class MaximaOperator method evaluateSelf.

@Override
protected Value evaluateSelf(OpenOLATExtensionPackage jqtiExtensionPackage, ProcessingContext context, Value[] childValues, int depth) {
    AttributeList attributes = getAttributes();
    Attribute<?> attrValue = attributes.get("value");
    String code = (String) attrValue.getValue();
    log.debug("Performing scriptRule: code={}, simplify={}" + code);
    /* Pass variables to Maxima */
    final QtiMaximaProcess qtiMaximaProcess = jqtiExtensionPackage.obtainMaximaSessionForThread();
    for (int i = 0; i < childValues.length; i++) {
        Value childValue = childValues[i];
        String val = getValue(childValue);
        code = code.replace("$(" + (i + 1) + ")", val);
    }
    /* Run code */
    log.debug("Executing scriptRule code");
    try {
        qtiMaximaProcess.executeScriptRule(code, true);
    } catch (final MaximaTimeoutException e) {
        context.fireRuntimeError(this, "A timeout occurred executing the ScriptRule logic. Not setting QTI variables and returing FALSE");
        return BooleanValue.FALSE;
    } catch (final RuntimeException e) {
        context.fireRuntimeError(this, "An unexpected problem occurred while trying to run the scriptRule logic. Not setting QTI variables and returing FALSE");
        return BooleanValue.FALSE;
    }
    /* Read variables back */
    log.debug("Reading variables back from Maxima");
    /* Run Maxima code and extract result */
    log.info("Running code to determine result of MAXIMA operator");
    final Class<? extends ValueWrapper> resultClass = GlueValueBinder.getCasReturnClass(ReturnTypeType.FLOAT);
    ValueWrapper maximaResult;
    try {
        maximaResult = qtiMaximaProcess.executeCasProcess(code, true, resultClass);
    } catch (final MaximaTimeoutException e) {
        context.fireRuntimeError(this, "A timeout occurred executing the CasCondition logic. Returning NULL");
        return NullValue.INSTANCE;
    } catch (final MathsContentTooComplexException e) {
        context.fireRuntimeError(this, "An unexpected problem occurred querying the result of CasProcess, so returning NULL");
        return NullValue.INSTANCE;
    } catch (final MathAssessBadCasCodeException e) {
        context.fireRuntimeError(this, "Your CasProcess code did not work as expected. The CAS input was '" + e.getMaximaInput() + "' and the CAS output was '" + e.getMaximaOutput() + "'. The failure reason was: " + e.getReason());
        return NullValue.INSTANCE;
    } catch (final QtiMaximaTypeConversionException e) {
        context.fireRuntimeError(this, "Your CasProcess code did not produce a result that could be converted into the required QTI type. The CAS input was '" + e.getMaximaInput() + "' and the CAS output was '" + e.getMaximaOutput() + "'");
        return NullValue.INSTANCE;
    } catch (final RuntimeException e) {
        log.warn("Unexpected Maxima failure", e);
        context.fireRuntimeError(this, "An unexpected problem occurred while executing this CasProcess");
        return BooleanValue.FALSE;
    }
    /* Bind result */
    Value result = GlueValueBinder.casToJqti(maximaResult);
    if (result == null) {
        context.fireRuntimeError(this, "Failed to convert result from Maxima back to a QTI variable - returning NULL");
        return NullValue.INSTANCE;
    }
    return result;
}

Example 55 with Value

use of uk.ac.ed.ph.jqtiplus.value.Value in project openolat by klemens.

the class HottextAssessmentItemBuilderTest method createHottextAssessmentItem_perAnswer.

/**
 * This is an hottextInteraction with 3 choices, one with 3.0 points and correct,
 * one with 0.0 points but correct and one false with -1.0 points.
 *
 * @throws IOException
 */
@Test
public void createHottextAssessmentItem_perAnswer() throws IOException {
    QtiSerializer qtiSerializer = new QtiSerializer(new JqtiExtensionManager());
    HottextAssessmentItemBuilder itemBuilder = new HottextAssessmentItemBuilder("Hot texts", "This is a hot ", "text", qtiSerializer);
    itemBuilder.setQuestion("<p>This is <hottext identifier=\"RESPONSE_HOT_1\">hot</hottext>, <hottext identifier=\"RESPONSE_HOT_2\">cold</hottext> or <hottext identifier=\"RESPONSE_HOT_3\">freezing</hottext></p>");
    itemBuilder.addCorrectAnswer(Identifier.parseString("RESPONSE_HOT_2"));
    itemBuilder.addCorrectAnswer(Identifier.parseString("RESPONSE_HOT_3"));
    itemBuilder.setMapping(Identifier.parseString("RESPONSE_HOT_1"), -1.0d);
    itemBuilder.setMapping(Identifier.parseString("RESPONSE_HOT_2"), 0.0d);
    itemBuilder.setMapping(Identifier.parseString("RESPONSE_HOT_3"), 3.0d);
    itemBuilder.setMaxScore(3.0d);
    itemBuilder.setScoreEvaluationMode(ScoreEvaluation.perAnswer);
    itemBuilder.build();
    File itemFile = new File(WebappHelper.getTmpDir(), "hottextAssessmentItem" + UUID.randomUUID() + ".xml");
    try (FileOutputStream out = new FileOutputStream(itemFile)) {
        qtiSerializer.serializeJqtiObject(itemBuilder.getAssessmentItem(), out);
    } catch (Exception e) {
        log.error("", e);
    }
    {
        // correct answers
        Map<Identifier, ResponseData> responseMap = new HashMap<>();
        Identifier responseIdentifier = itemBuilder.getInteraction().getResponseIdentifier();
        responseMap.put(responseIdentifier, new StringResponseData("RESPONSE_HOT_2", "RESPONSE_HOT_3"));
        ItemSessionController itemSessionController = RunningItemHelper.run(itemFile, responseMap);
        Value score = itemSessionController.getItemSessionState().getOutcomeValue(QTI21Constants.SCORE_IDENTIFIER);
        Assert.assertEquals(new FloatValue(3.0d), score);
        Value feedbackBasic = itemSessionController.getItemSessionState().getOutcomeValue(QTI21Constants.FEEDBACKBASIC_IDENTIFIER);
        Assert.assertEquals(new IdentifierValue(QTI21Constants.CORRECT_IDENTIFIER), feedbackBasic);
    }
    {
        // max score but not all correct
        Map<Identifier, ResponseData> responseMap = new HashMap<>();
        Identifier responseIdentifier = itemBuilder.getInteraction().getResponseIdentifier();
        responseMap.put(responseIdentifier, new StringResponseData("RESPONSE_HOT_3"));
        ItemSessionController itemSessionController = RunningItemHelper.run(itemFile, responseMap);
        Value score = itemSessionController.getItemSessionState().getOutcomeValue(QTI21Constants.SCORE_IDENTIFIER);
        Assert.assertEquals(new FloatValue(3.0d), score);
        Value feedbackBasic = itemSessionController.getItemSessionState().getOutcomeValue(QTI21Constants.FEEDBACKBASIC_IDENTIFIER);
        Assert.assertEquals(new IdentifierValue(QTI21Constants.INCORRECT_IDENTIFIER), feedbackBasic);
    }
    {
        // all wrong
        Map<Identifier, ResponseData> responseMap = new HashMap<>();
        Identifier responseIdentifier = itemBuilder.getInteraction().getResponseIdentifier();
        responseMap.put(responseIdentifier, new StringResponseData("RESPONSE_HOT_1"));
        ItemSessionController itemSessionController = RunningItemHelper.run(itemFile, responseMap);
        Value score = itemSessionController.getItemSessionState().getOutcomeValue(QTI21Constants.SCORE_IDENTIFIER);
        Assert.assertEquals(new FloatValue(0.0d), score);
        Value feedbackBasic = itemSessionController.getItemSessionState().getOutcomeValue(QTI21Constants.FEEDBACKBASIC_IDENTIFIER);
        Assert.assertEquals(new IdentifierValue(QTI21Constants.INCORRECT_IDENTIFIER), feedbackBasic);
    }
    FileUtils.deleteDirsAndFiles(itemFile.toPath());
}