/**
* Add a variable to be transformed into its IMS PCI JSON Representation
* for a later output.
*
* @param Variable $variable
*/
public function addVariable(Variable $variable)
{
$output =& $this->getOutput();
$varName = $variable->getIdentifier();
$marshaller = new taoQtiCommon_helpers_PciJsonMarshaller();
$output[$varName] = $marshaller->marshall($variable->getValue(), taoQtiCommon_helpers_PciJsonMarshaller::MARSHALL_ARRAY);
}
/**
* Add a variable (Variable object) to the current context. Variables that can be set using this method
* must have simple variable identifiers, in order to target the global AssessmentTestSession scope only.
*
* @param Variable $variable A Variable object to add to the current context.
* @throws OutOfRangeException If the identifier of the given $variable is not a simple variable identifier (no prefix, no sequence number).
*/
public function setVariable(Variable $variable)
{
try {
$v = new VariableIdentifier($variable->getIdentifier());
if ($v->hasPrefix() === true) {
$msg = "The variables set to the AssessmentTestSession global scope must have simple variable identifiers. ";
$msg .= "'" . $v->__toString() . "' given.";
throw new OutOfRangeException($msg);
}
} catch (InvalidArgumentException $e) {
$variableIdentifier = $variable->getIdentifier();
$msg = "The identifier '{$variableIdentifier}' of the variable to set is invalid.";
throw new OutOfRangeException($msg, 0, $e);
}
$data =& $this->getDataPlaceHolder();
$data[$v->__toString()] = $variable;
}
/**
* @dataProvider fillVariableProvider
*
* @param IAssessmentItem $itemRef The reference item.
* @param string $variableIdentifier The identifier of the variable.
* @param array $data Client-side data.
* @param Variable $expectedVariable
*/
public function testFillVariable(array $data, Variable $expectedVariable)
{
// Non-time dependent basic item in 'Yoda English'.
$itemRef = new AssessmentItem('Q01', 'Question 01', false, 'en-YO');
$outcomeDeclarations = new OutcomeDeclarationCollection();
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME1', BaseType::FLOAT, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME2', BaseType::INTEGER, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME3', BaseType::BOOLEAN, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME4', BaseType::STRING, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME5', BaseType::POINT, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME6', BaseType::PAIR, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME7', BaseType::DIRECTED_PAIR, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME8', BaseType::DURATION, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME9', BaseType::URI, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME10', BaseType::IDENTIFIER, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME11', BaseType::INT_OR_IDENTIFIER, Cardinality::SINGLE);
$outcomeDeclarations[] = new OutcomeDeclaration('OUTCOME12', BaseType::INTEGER, Cardinality::SINGLE);
$responseDeclarations = new ResponseDeclarationCollection();
$responseDeclarations[] = new ResponseDeclaration('RESPONSE1', BaseType::IDENTIFIER, Cardinality::SINGLE);
$responseDeclarations[] = new ResponseDeclaration('RESPONSE2', BaseType::IDENTIFIER, Cardinality::MULTIPLE);
$responseDeclarations[] = new ResponseDeclaration('RESPONSE3', BaseType::DIRECTED_PAIR, Cardinality::ORDERED);
$responseDeclarations[] = new ResponseDeclaration('RESPONSE4', -1, Cardinality::RECORD);
$responseDeclarations[] = new ResponseDeclaration('RESPONSE5', -1, Cardinality::RECORD);
$responseDeclarations[] = new ResponseDeclaration('RESPONSE6', -1, Cardinality::RECORD);
$responseDeclarations[] = new ResponseDeclaration('RESPONSE7', -1, Cardinality::RECORD);
$responseDeclarations[] = new ResponseDeclaration('RESPONSE8', BaseType::BOOLEAN, Cardinality::MULTIPLE);
$itemRef->setOutcomeDeclarations($outcomeDeclarations);
$itemRef->setResponseDeclarations($responseDeclarations);
$filler = new taoQtiCommon_helpers_PciVariableFiller($itemRef);
$variable = $filler->fill($expectedVariable->getIdentifier(), $data);
$this->assertEquals($expectedVariable->getIdentifier(), $variable->getIdentifier());
$this->assertEquals($expectedVariable->getBaseType(), $variable->getBaseType());
$this->assertEquals($expectedVariable->getCardinality(), $variable->getCardinality());
$this->assertEquals(get_class($expectedVariable), get_class($variable));
if ($expectedVariable->getValue() === null) {
$this->assertSame($expectedVariable->getValue(), $variable->getValue());
} else {
$this->assertTrue($expectedVariable->getValue()->equals($variable->getValue()));
}
}
/**
* Add a variable to the State that has to be built for the client-side. The final output
* array is available through the tao_helpers_StateOutput::getOutput() method.
*
* @param Variable $variable A QTI Runtime Variable
*/
public function addVariable(Variable $variable)
{
$output =& $this->getOutput();
$baseType = $variable->getBaseType();
$cardinality = $variable->getCardinality();
$varName = $variable->getIdentifier();
if ($cardinality === Cardinality::SINGLE) {
$singleValue = $variable->getValue();
if (is_null($singleValue) === true) {
$output[$varName] = array('');
return;
}
$values = array($variable->getValue());
} else {
$containerValue = $variable->getValue();
if (is_null($containerValue) === true || $containerValue->isNull() === true) {
$output[$varName] = array();
return;
}
$values = $containerValue->getArrayCopy(true);
}
$output[$varName] = array();
foreach ($values as $val) {
if (is_null($val) === true) {
$output[$varName][] = '';
} else {
if (gettype($val) === 'boolean') {
$output[$varName][] = $val === true ? 'true' : 'false';
} else {
if ($val instanceof QtiPoint) {
$output[$varName][] = array('' . $val->getX(), '' . $val->getY());
} else {
if ($val instanceof QtiPair) {
$output[$varName][] = array($val->getFirst(), $val->getSecond());
} else {
if (gettype($val) === 'object') {
$output[$varName][] = $val->__toString();
} else {
$output[$varName][] = '' . $val;
}
}
}
}
}
}
}
