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

Example 11 with Expression

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

the class ModalFeedbackBuilder method extractConditions.

public void extractConditions() {
    ResponseCondition feedbackRule = findFeedbackResponseCondition(modalFeedback.getIdentifier(), QTI21Constants.FEEDBACKMODAL_IDENTIFIER);
    ResponseIf responseIf = feedbackRule.getResponseIf();
    if (responseIf != null && responseIf.getExpressions() != null && responseIf.getExpressions().size() == 1 && responseIf.getExpressions().get(0) instanceof And && responseIf.getResponseRules().size() == 1 && responseIf.getResponseRules().get(0) instanceof SetOutcomeValue) {
        And and = (And) responseIf.getExpression();
        List<Expression> conditionElements = and.getExpressions();
        List<ModalFeedbackCondition> extractedConditions = new ArrayList<>();
        for (Expression conditionElement : conditionElements) {
            ModalFeedbackCondition condition = extractCondition(conditionElement);
            if (condition != null) {
                extractedConditions.add(condition);
            }
        }
        if (extractedConditions != null) {
            conditions = extractedConditions;
        }
    }
}

Example 12 with Expression

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

the class AssessmentItemChecker method checkSetCorrectResponse.

/**
 * responseDeclaration -> float
 *
 * templateVraiable -> integer
 *
 * setCorrectResponse
 *   -> variable -> integer doesn't match float -> issue
 * @param item
 * @return
 */
private static boolean checkSetCorrectResponse(AssessmentItem item) {
    boolean allOk = true;
    List<SetCorrectResponse> setCorrectResponses = QueryUtils.search(SetCorrectResponse.class, item);
    for (SetCorrectResponse setCorrectResponse : setCorrectResponses) {
        Identifier responseIdentifier = setCorrectResponse.getIdentifier();
        ResponseDeclaration responseDeclaration = item.getResponseDeclaration(responseIdentifier);
        BaseType baseType = responseDeclaration.getBaseType();
        Expression expression = setCorrectResponse.getExpression();
        if (expression instanceof Variable) {
            Variable variable = (Variable) expression;
            ComplexReferenceIdentifier cpxVariableIdentifier = variable.getIdentifier();
            Identifier variableIdentifier = Identifier.assumedLegal(cpxVariableIdentifier.toString());
            TemplateDeclaration templateDeclaration = item.getTemplateDeclaration(variableIdentifier);
            if (templateDeclaration != null && !templateDeclaration.hasBaseType(baseType)) {
                templateDeclaration.setBaseType(baseType);
                allOk &= false;
            }
        }
    }
    return allOk;
}

Example 13 with Expression

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

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 14 with Expression

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

the class TestFeedbackBuilder method findFeedbackMatch.

private boolean findFeedbackMatch(Match match, boolean pass, ComplexReferenceIdentifier id) {
    Expression firstExpression = match.getExpressions().get(0);
    Expression secondExpression = match.getExpressions().get(1);
    if (findBaseValue(firstExpression, pass) && findVariable(secondExpression, id)) {
        return true;
    }
    if (findBaseValue(secondExpression, pass) && findVariable(firstExpression, id)) {
        return true;
    }
    return false;
}

Example 15 with Expression

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

the class TestFeedbackBuilder method findFeedbackMatch.

private boolean findFeedbackMatch(OutcomeRule outcomeRule, boolean pass, ComplexReferenceIdentifier id) {
    if (outcomeRule instanceof OutcomeCondition) {
        OutcomeCondition outcomeCondition = (OutcomeCondition) outcomeRule;
        OutcomeIf outcomeIf = outcomeCondition.getOutcomeIf();
        if (outcomeIf != null && outcomeIf.getExpressions().size() == 1) {
            Expression mustBeAnd = outcomeIf.getExpressions().get(0);
            if (mustBeAnd instanceof And && mustBeAnd.getExpressions().size() == 1) {
                Expression mustBeMatch = mustBeAnd.getExpressions().get(0);
                if (mustBeMatch instanceof Match && mustBeMatch.getExpressions().size() == 2) {
                    return findFeedbackMatch((Match) mustBeMatch, pass, id);
                }
            }
        }
    }
    return false;
}