Examples with ItemInput org.olat.ims.qti.container.ItemInput used on opensource projects

Example 11 with ItemInput

use of org.olat.ims.qti.container.ItemInput in project openolat by klemens.

the class QTI_varequal method eval.

/**
 * var equals
 * qti ims 1.2.1
 * <!ELEMENT varequal (#PCDATA)>
 *	<!ATTLIST varequal  %I_Case; %I_RespIdent; %I_Index; >
 * mit I_Case = case  (Yes | No )  'No'
 * e.g. <varequal respident = "LID01">A</varequal>
 */
public boolean eval(Element boolElement, ItemContext userContext, EvalContext ect) {
    ItemInput iinp = userContext.getItemInput();
    // user has given no answer
    if (iinp.isEmpty())
        return false;
    String respident = boolElement.attributeValue("respident");
    String yescase = boolElement.attributeValue("case");
    // make it compatible with faulty QTI documentation
    boolean caseimp = (yescase == null) ? true : yescase.equals("Yes");
    // the answer is tested against content of elem.
    String shouldVal = boolElement.getText();
    boolean ok = (caseimp ? iinp.contains(respident, shouldVal) : iinp.containsIgnoreCase(respident, shouldVal));
    return ok;
}

Example 12 with ItemInput

use of org.olat.ims.qti.container.ItemInput in project openolat by klemens.

the class QTI_vargt method eval.

/**
 * var greater than or equal qti ims 1.2.1 <!ELEMENT vargte (#PCDATA)>
 * <!ATTLIST vargte %I_RespIdent; %I_Index; > e.g. <vargte respident =
 * "NUM01">3.141 </vargte>
 * @param boolElement
 * @param userContext
 * @param ect
 * @return
 */
public boolean eval(Element boolElement, ItemContext userContext, EvalContext ect) {
    ItemInput iinp = userContext.getItemInput();
    // user has given no answer
    if (iinp.isEmpty())
        return false;
    String respident = boolElement.attributeValue("respident");
    // the answer is tested against
    String shouldVal = boolElement.getText();
    // content of elem.
    String isVal = iinp.getSingle(respident);
    // the isVal and shouldVal must be numeric
    // we use Float so we are on the safe side, even if comparison was only
    // Integer
    shouldVal = shouldVal.trim();
    isVal = isVal.trim();
    float fs = Float.parseFloat(shouldVal);
    float fi;
    try {
        fi = Float.parseFloat(isVal);
    } catch (NumberFormatException e) {
        // try to replace , -> .
        isVal = isVal.replace(',', '.');
        try {
            fi = Float.parseFloat(isVal);
        } catch (NumberFormatException e1) {
            // we try all what we can to understand the input value -> false
            return false;
        }
    }
    boolean ok = (fi > fs);
    return ok;
}

Example 13 with ItemInput

use of org.olat.ims.qti.container.ItemInput in project openolat by klemens.

the class QTI_vargte method eval.

/**
 * var greater than or equal
 * qti ims 1.2.1
 * <!ELEMENT vargte (#PCDATA)>
 * <!ATTLIST vargte  %I_RespIdent;
 *                   %I_Index; >
 * e.g. <vargte respident = "NUM01">3.141</vargte>
 */
public boolean eval(Element boolElement, ItemContext userContext, EvalContext ect) {
    ItemInput iinp = userContext.getItemInput();
    // user has given no answer
    if (iinp.isEmpty())
        return false;
    String respident = boolElement.attributeValue("respident");
    // the answer is tested against content of elem.
    String shouldVal = boolElement.getText();
    String isVal = iinp.getSingle(respident);
    // the isVal and shouldVal must be numeric
    // we use Float so we are on the safe side, even if comparison was only Integer
    shouldVal = shouldVal.trim();
    isVal = isVal.trim();
    float fs = Float.parseFloat(shouldVal);
    float fi;
    try {
        fi = Float.parseFloat(isVal);
    } catch (NumberFormatException e) {
        // try to replace , -> .
        isVal = isVal.replace(',', '.');
        try {
            fi = Float.parseFloat(isVal);
        } catch (NumberFormatException e1) {
            // we try all what we can to understand the input value -> false
            return false;
        }
    }
    boolean ok = (fi >= fs);
    return ok;
}

Example 14 with ItemInput

use of org.olat.ims.qti.container.ItemInput in project openolat by klemens.

the class DefaultNavigator method submitOneItem.

/**
 * @param curitsinp
 * @return the status of the operation like success or error
 */
public int submitOneItem(ItemsInput curitsinp) {
    if (info.getStatus() != QTIConstants.ASSESSMENT_RUNNING)
        throw new RuntimeException("assessment is NOT running yet or anymore");
    int cnt = curitsinp.getItemCount();
    if (cnt == 0)
        throw new RuntimeException("program bug: not even one iteminput in the answer");
    if (cnt > 1)
        throw new RuntimeException("may only submit 1 item");
    ItemInput itemInput = curitsinp.getItemInputIterator().next();
    String ident = itemInput.getIdent();
    AssessmentContext ac = getAssessmentContext();
    SectionContext sc = ac.getCurrentSectionContext();
    ItemContext it = sc.getCurrentItemContext();
    ItemContext ict = sc.getItemContext(ident);
    if (ict == null)
        throw new RuntimeException("submitted item id (" + ident + ")not found in xml");
    if (ict != it)
        throw new RuntimeException("answering to a non-current item");
    if (!ac.isOpen()) {
        // assessment must also be open (=on time)
        return QTIConstants.ERROR_ASSESSMENT_OUTOFTIME;
    }
    if (!sc.onTime()) {
        // section of the current item must also be open (=on time)
        return QTIConstants.ERROR_SUBMITTEDSECTION_OUTOFTIME;
    }
    if (!ict.isOnTime()) {
        // current item must be on time
        return QTIConstants.ERROR_SUBMITTEDITEM_OUTOFTIME;
    }
    if (!ict.isUnderMaxAttempts()) {
        // current item must be below maxattempts
        return QTIConstants.ERROR_SUBMITTEDITEM_TOOMANYATTEMPTS;
    }
    int subres = ict.addItemInput(itemInput);
    // to have an up-to-date score
    ict.eval();
    return subres;
}

Example 15 with ItemInput

use of org.olat.ims.qti.container.ItemInput in project openolat by klemens.

the class DefaultNavigator method submitMultipleItems.

public int submitMultipleItems(ItemsInput curitsinp) {
    // = submit a whole section at once
    if (info.getStatus() != QTIConstants.ASSESSMENT_RUNNING)
        throw new RuntimeException("assessment is NOT running yet or anymore");
    int cnt = curitsinp.getItemCount();
    if (cnt == 0)
        throw new RuntimeException("bug: not even one iteminput in the answer");
    AssessmentContext ac = getAssessmentContext();
    SectionContext sc = ac.getCurrentSectionContext();
    if (!ac.isOpen())
        return QTIConstants.ERROR_ASSESSMENT_OUTOFTIME;
    if (!sc.isOpen())
        return QTIConstants.ERROR_SUBMITTEDSECTION_OUTOFTIME;
    int sectionResult = QTIConstants.SECTION_SUBMITTED;
    for (Iterator<ItemInput> it_inp = curitsinp.getItemInputIterator(); it_inp.hasNext(); ) {
        ItemInput itemInput = it_inp.next();
        String ident = itemInput.getIdent();
        ItemContext ict = sc.getItemContext(ident);
        if (ict == null)
            throw new RuntimeException("submitted item id (" + ident + ") not found in section sectioncontext " + sc.getIdent());
        int subres = ict.addItemInput(itemInput);
        // to be up-to-date with the scores
        ict.eval();
        if (subres != QTIConstants.ITEM_SUBMITTED) {
            // item had a timelimit or maxattempts, which is nonsense if displaymode = sectionPage
            // throw new RuntimeException("section "+sc.getIdent()+" was submitted, but item "+ict.getIdent()+"  could not be submitted, because it had a timelimit or maxattempts, which is nonsense if displaymode = sectionPage");
            sectionResult = QTIConstants.ERROR_SECTION_PART_OUTOFTIME;
        }
    }
    return sectionResult;
}