@Override
protected void validateThis(
final ValidationContext context, final ResponseDeclaration responseDeclaration) {
final int maxChoices = getMaxChoices();
final int minChoices = getMinChoices();
if (maxChoices != 0 && minChoices > maxChoices) {
context.fireValidationError(
this, "Minimum number of choices can't be bigger than maximum number");
}
if (responseDeclaration != null) {
if (responseDeclaration.getBaseType() != null
&& !responseDeclaration.getBaseType().isIdentifier()) {
context.fireValidationError(this, "Response variable must have identifier base type");
}
if (getMaxChoices() == 1
&& !responseDeclaration.getCardinality().isSingle()
&& !responseDeclaration.getCardinality().isMultiple()) {
context.fireValidationError(
this, "Response variable must have single or multiple cardinality");
}
if (getMaxChoices() != 1 && !responseDeclaration.getCardinality().isMultiple()) {
context.fireValidationError(this, "Response variable must have multiple cardinality");
}
}
}
@Override
public void validateThis(
final ValidationContext context, final ResponseDeclaration responseDeclaration) {
final Integer minChoices = getMinChoices();
final Integer maxChoices = getMaxChoices();
if (minChoices != null && minChoices.intValue() < 1) {
context.fireValidationError(this, "Minimum number of choices can't be less than one");
}
if (maxChoices != null && minChoices != null && maxChoices.intValue() < minChoices.intValue()) {
context.fireValidationError(
this, "Maximum number of choices must be greater or equal to minimum number of choices");
}
if (maxChoices != null && maxChoices.intValue() > getHotspotChoices().size()) {
context.fireValidationError(
this, "Maximum number of choices cannot be larger than the number of choice children");
}
if (responseDeclaration != null) {
if (responseDeclaration.getBaseType() != null
&& !responseDeclaration.getBaseType().isIdentifier()) {
context.fireValidationError(this, "Response variable must have identifier base type");
}
if (!responseDeclaration.getCardinality().isOrdered()) {
context.fireValidationError(this, "Response variable must have ordered cardinality");
}
}
}
/**
* Gets (first) explicitly-defined responseDeclaration with given identifier, or null if no such
* variable is defined.
*
* <p>NB: Doesn't include the implicitly-defined {@link QtiConstants#VARIABLE_DURATION_NAME} and
* {@link QtiConstants#VARIABLE_NUMBER_OF_ATTEMPTS_NAME} variables.
*
* @param identifier given identifier
* @return responseDeclaration with given identifier or null
*/
public ResponseDeclaration getResponseDeclaration(final Identifier identifier) {
Assert.notNull(identifier);
for (final ResponseDeclaration declaration : getResponseDeclarations()) {
if (identifier.equals(declaration.getIdentifier())) {
return declaration;
}
}
return null;
}
@Override
public void extract() {
super.extract();
if (choiceInteraction != null) {
ResponseDeclaration responseDeclaration =
assessmentItem.getResponseDeclaration(choiceInteraction.getResponseIdentifier());
if (responseDeclaration != null) {
CorrectResponse correctResponse = responseDeclaration.getCorrectResponse();
if (correctResponse != null) {
List<FieldValue> values = correctResponse.getFieldValues();
Value value = FieldValue.computeValue(Cardinality.SINGLE, values);
if (value instanceof IdentifierValue) {
IdentifierValue identifierValue = (IdentifierValue) value;
correctAnswer = identifierValue.identifierValue();
}
}
}
}
}
public AssessmentItem() {
super(null, QTI_CLASS_NAME); // Item doesn't have any parent.
getAttributes().add(new StringAttribute(this, IdentifiableNode.ATTR_IDENTIFIER_NAME, true));
getAttributes().add(new StringAttribute(this, ATTR_TITLE_NAME, true));
getAttributes().add(new StringAttribute(this, ATTR_LABEL_NAME, false));
getAttributes()
.add(new StringAttribute(this, ATTR_LANG_NAME, XMLConstants.XML_NS_URI, null, false));
getAttributes().add(new BooleanAttribute(this, ATTR_ADAPTIVE_NAME, true));
getAttributes().add(new BooleanAttribute(this, ATTR_TIME_DEPENDENT_NAME, true));
getAttributes().add(new StringAttribute(this, ATTR_TOOL_NAME_NAME, false));
getAttributes().add(new StringAttribute(this, ATTR_TOOL_VERSION_NAME, false));
getNodeGroups().add(new ResponseDeclarationGroup(this));
getNodeGroups().add(new OutcomeDeclarationGroup(this));
getNodeGroups().add(new TemplateDeclarationGroup(this));
getNodeGroups().add(new TemplateProcessingGroup(this)); // templateProcessing [0..1]
getNodeGroups().add(new StylesheetGroup(this)); // stylesheet [0..*]
getNodeGroups().add(new ItemBodyGroup(this)); // itemBody [0..1]
getNodeGroups().add(new ResponseProcessingGroup(this)); // responseProcessing [0..1]
getNodeGroups().add(new ModalFeedbackGroup(this)); // modalFeedback [*]
getNodeGroups().add(new ApipAccessibilityGroup(this, false));
/* create a special declaration for the internal completionStatus variable */
completionStatusOutcomeDeclaration = new OutcomeDeclaration(this);
completionStatusOutcomeDeclaration.setIdentifier(
QtiConstants.VARIABLE_COMPLETION_STATUS_IDENTIFIER);
completionStatusOutcomeDeclaration.setCardinality(Cardinality.SINGLE);
completionStatusOutcomeDeclaration.setBaseType(BaseType.IDENTIFIER);
/* create a special declaration for the internal numAttempts variable */
numAttemptsResponseDeclaration = new ResponseDeclaration(this);
numAttemptsResponseDeclaration.setIdentifier(
QtiConstants.VARIABLE_NUMBER_OF_ATTEMPTS_IDENTIFIER);
numAttemptsResponseDeclaration.setCardinality(Cardinality.SINGLE);
numAttemptsResponseDeclaration.setBaseType(BaseType.INTEGER);
/* create a special declaration for the internal duration variable */
durationResponseDeclaration = new ResponseDeclaration(this);
durationResponseDeclaration.setIdentifier(QtiConstants.VARIABLE_DURATION_IDENTIFIER);
durationResponseDeclaration.setCardinality(Cardinality.SINGLE);
durationResponseDeclaration.setBaseType(BaseType.FLOAT);
}