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

Example 1 with Expression

use of uk.ac.ed.ph.jqtiplus.node.expression.Expression in project OpenOLAT by OpenOLAT.

the class AssessmentItemFactory method findBaseValueInExpression.

public static boolean findBaseValueInExpression(Expression expression, Identifier feedbackIdentifier) {
    if (expression instanceof BaseValue) {
        BaseValue bValue = (BaseValue) expression;
        SingleValue sValue = bValue.getSingleValue();
        if (sValue instanceof IdentifierValue) {
            IdentifierValue iValue = (IdentifierValue) sValue;
            if (feedbackIdentifier.equals(iValue.identifierValue())) {
                return true;
            }
        }
    } else {
        List<Expression> childExpressions = expression.getExpressions();
        for (Expression childExpression : childExpressions) {
            if (findBaseValueInExpression(childExpression, feedbackIdentifier)) {
                return true;
            }
        }
    }
    return false;
}

Example 2 with Expression

use of uk.ac.ed.ph.jqtiplus.node.expression.Expression in project OpenOLAT by OpenOLAT.

the class AssessmentItemFactory method matchAdditionalFeedback.

/**
 * the additional feedback have only responseIf
 *
 * @param item
 * @param feedback
 * @return
 */
public static boolean matchAdditionalFeedback(AssessmentItem item, ModalFeedback feedback) {
    List<ResponseRule> responseRules = item.getResponseProcessing().getResponseRules();
    for (ResponseRule responseRule : responseRules) {
        if (responseRule instanceof ResponseCondition) {
            ResponseCondition responseCondition = (ResponseCondition) responseRule;
            if (responseCondition.getResponseIf() == null || responseCondition.getResponseElse() != null || (responseCondition.getResponseElseIfs() != null && responseCondition.getResponseElseIfs().size() > 0)) {
                continue;
            }
            ResponseIf responseIf = responseCondition.getResponseIf();
            List<ResponseRule> ifResponseRules = responseIf.getResponseRules();
            if (ifResponseRules == null || ifResponseRules.size() != 1 || !(ifResponseRules.get(0) instanceof SetOutcomeValue)) {
                continue;
            }
            SetOutcomeValue setOutcomeValue = (SetOutcomeValue) responseIf.getResponseRules().get(0);
            if (!findBaseValueInExpression(setOutcomeValue.getExpression(), feedback.getIdentifier())) {
                continue;
            }
            List<Expression> expressions = responseIf.getExpressions();
            if (expressions == null || expressions.size() != 1 || !(expressions.get(0) instanceof And)) {
                continue;
            }
            List<Variable> variables = QueryUtils.search(Variable.class, expressions.get(0));
            if (variables != null && variables.size() == 1) {
                Variable bValue = variables.get(0);
                ComplexReferenceIdentifier identifier = bValue.getIdentifier();
                if (identifier.equals(QTI21Constants.SCORE_CLX_IDENTIFIER) || identifier.equals(QTI21Constants.NUM_ATTEMPTS_CLX_IDENTIFIER)) {
                    return true;
                }
                if (identifier.equals(QTI21Constants.CORRECT_CLX_IDENTIFIER) || identifier.equals(QTI21Constants.INCORRECT_CLX_IDENTIFIER) || identifier.equals(QTI21Constants.EMPTY_CLX_IDENTIFIER)) {
                    return false;
                }
                String identifierToString = identifier.toString();
                if (identifierToString.contains("RESPONSE_")) {
                    return true;
                }
            }
        }
    }
    return false;
}

Example 3 with Expression

use of uk.ac.ed.ph.jqtiplus.node.expression.Expression in project OpenOLAT by OpenOLAT.

the class AssessmentTestBuilder method buildCutValue.

/*	Passed
	<outcomeCondition>
		<outcomeIf>
			<gte>
				<sum>
					<testVariables variableIdentifier="SCORE" />
				</sum>
				<baseValue baseType="float">
					1
				</baseValue>
			</gte>
			<setOutcomeValue identifier="PASS">
				<baseValue baseType="boolean">
					true
				</baseValue>
			</setOutcomeValue>
		</outcomeIf>
		<outcomeElse>
			<setOutcomeValue identifier="PASS">
				<baseValue baseType="boolean">
					false
				</baseValue>
			</setOutcomeValue>
		</outcomeElse>
	</outcomeCondition>
	*/
private void buildCutValue() {
    if (cutValue != null) {
        OutcomeDeclaration passDeclaration = assessmentTest.getOutcomeDeclaration(QTI21Constants.PASS_IDENTIFIER);
        if (passDeclaration == null) {
            passDeclaration = AssessmentTestFactory.createOutcomeDeclaration(assessmentTest, QTI21Constants.PASS_IDENTIFIER, false);
            assessmentTest.getOutcomeDeclarations().add(passDeclaration);
        }
        boolean updated = false;
        if (cutValueRule != null && cutValueRule.getOutcomeIf().getExpressions().size() > 0) {
            Expression gte = cutValueRule.getOutcomeIf().getExpressions().get(0);
            if (gte.getExpressions().size() > 1) {
                Expression baseValue = gte.getExpressions().get(1);
                if (baseValue instanceof BaseValue) {
                    BaseValue value = (BaseValue) baseValue;
                    value.setSingleValue(new FloatValue(cutValue.doubleValue()));
                    updated = true;
                }
            }
        }
        if (!updated) {
            assessmentTest.getOutcomeProcessing().getOutcomeRules().remove(cutValueRule);
            cutValueRule = AssessmentTestFactory.createCutValueRule(assessmentTest, cutValue);
            assessmentTest.getOutcomeProcessing().getOutcomeRules().add(cutValueRule);
        }
    } else if (cutValueRule != null) {
        assessmentTest.getOutcomeProcessing().getOutcomeRules().remove(cutValueRule);
    }
}

Example 4 with Expression

use of uk.ac.ed.ph.jqtiplus.node.expression.Expression in project OpenOLAT by OpenOLAT.

the class TestFeedbackBuilder method findFeedbackRuleInExpression.

private boolean findFeedbackRuleInExpression(Expression expression, Identifier feedbackIdentifier) {
    if (expression instanceof BaseValue) {
        BaseValue bValue = (BaseValue) expression;
        SingleValue sValue = bValue.getSingleValue();
        if (sValue instanceof IdentifierValue) {
            IdentifierValue iValue = (IdentifierValue) sValue;
            if (feedbackIdentifier.equals(iValue.identifierValue())) {
                return true;
            }
        }
    } else {
        List<Expression> childExpressions = expression.getExpressions();
        for (Expression childExpression : childExpressions) {
            if (findFeedbackRuleInExpression(childExpression, feedbackIdentifier)) {
                return true;
            }
        }
    }
    return false;
}

Example 5 with Expression

use of uk.ac.ed.ph.jqtiplus.node.expression.Expression in project OpenOLAT by OpenOLAT.

the class FIBAssessmentItemBuilder method extractNumericalEntrySettings.

public static void extractNumericalEntrySettings(AssessmentItem item, NumericalEntry numericalEntry, ResponseDeclaration responseDeclaration, AtomicInteger countAlternatives, DoubleAdder mappedScore) {
    Double solution = null;
    CorrectResponse correctResponse = responseDeclaration.getCorrectResponse();
    if (correctResponse != null && correctResponse.getFieldValues().size() > 0) {
        List<FieldValue> fValues = correctResponse.getFieldValues();
        SingleValue sValue = fValues.get(0).getSingleValue();
        if (sValue instanceof FloatValue) {
            solution = ((FloatValue) sValue).doubleValue();
            numericalEntry.setSolution(solution);
        }
    }
    // search the equal
    List<ResponseRule> responseRules = item.getResponseProcessing().getResponseRules();
    a_a: for (ResponseRule responseRule : responseRules) {
        if (responseRule instanceof ResponseCondition) {
            ResponseCondition condition = (ResponseCondition) responseRule;
            ResponseIf responseIf = condition.getResponseIf();
            if (responseIf != null && responseIf.getExpressions().size() > 0) {
                // first is an and/equal/
                Expression potentialEqualOrAnd = responseIf.getExpressions().get(0);
                if (potentialEqualOrAnd instanceof And) {
                    And and = (And) potentialEqualOrAnd;
                    for (Expression potentialEqual : and.getExpressions()) {
                        if (potentialEqual instanceof Equal && potentialEqual.getExpressions().size() == 2 && extractNumericalEntrySettings(numericalEntry, (Equal) potentialEqual)) {
                            break a_a;
                        }
                    }
                } else if (potentialEqualOrAnd instanceof Equal) {
                    if (extractNumericalEntrySettings(numericalEntry, (Equal) potentialEqualOrAnd)) {
                        // find to score as outcome value
                        if (responseIf.getResponseRules() != null && responseIf.getResponseRules().size() == 1 && responseIf.getResponseRules().get(0) instanceof SetOutcomeValue) {
                            SetOutcomeValue outcomeValue = (SetOutcomeValue) responseIf.getResponseRules().get(0);
                            if (outcomeValue.getExpressions() != null && outcomeValue.getExpressions().size() == 1 && outcomeValue.getExpressions().get(0) instanceof BaseValue) {
                                BaseValue bValue = (BaseValue) outcomeValue.getExpressions().get(0);
                                SingleValue sValue = bValue.getSingleValue();
                                if (sValue instanceof FloatValue) {
                                    FloatValue fValue = (FloatValue) sValue;
                                    numericalEntry.setScore(fValue.doubleValue());
                                    mappedScore.add(fValue.doubleValue());
                                    countAlternatives.incrementAndGet();
                                }
                            }
                        }
                        break a_a;
                    }
                }
            }
        }
    }
    // toleranceMode cannot be empty
    if (numericalEntry.getToleranceMode() == null) {
        numericalEntry.setToleranceMode(ToleranceMode.EXACT);
    }
}