/**
* get the outcome in JSON format
*
* @deprecated now use the new qtism lib for response evaluation
* @access public
* @author Joel Bout, <*****@*****.**>
*/
public function toJSON()
{
$outcomeValue = null;
if ($this->defaultValue != '') {
$outcomeValue = array($this->defaultValue);
} else {
if ($this->getAttributeValue('baseType') == 'integer' || $this->getAttributeValue('baseType') == 'float') {
$outcomeValue = array(0);
} else {
$outcomeValue = null;
}
}
$returnValue = taoQTI_models_classes_Matching_VariableFactory::createJSONVariableFromQTIData($this->getIdentifier(), $this->getAttributeValue('cardinality'), $this->getAttributeValue('baseType'), $outcomeValue);
return $returnValue;
}
/**
* get the mapping in JSON format. If no mapping defined return null.
*
* @deprecated now use the new qtism lib for response evaluation
* @access public
* @author Joel Bout, <*****@*****.**>
*/
public function mapToJSON()
{
$returnValue = null;
$mapping = $this->getMapping();
if (count($mapping)) {
$returnValue = array();
$returnValue['identifier'] = $this->getIdentifier();
$returnValue['defaultValue'] = $this->mappingDefaultValue;
if ($this->hasAttribute('areaMapping')) {
$returnValue = array_merge($returnValue, $this->getAttributeValue('areaMapping'));
}
$mappingValue = array();
// If a mapping has been defined
if (!empty($mapping)) {
foreach ($mapping as $mapKey => $mappedValue) {
$mapEntryJSON = array();
$mapEntryJSON['value'] = (double) $mappedValue;
$mapEntryJSON['key'] = taoQTI_models_classes_Matching_VariableFactory::createJSONValueFromQTIData($mapKey, $this->getAttributeValue('baseType'));
array_push($mappingValue, (object) $mapEntryJSON);
}
$returnValue['value'] = $mappingValue;
}
$returnValue = (object) $returnValue;
}
return $returnValue;
}
/**
* Short description of method setValue
*
* @access public
* @author Joel Bout, <*****@*****.**>
* @param value
* @return mixed
*/
public function setValue($value)
{
// Set the value of the expression and cast it function of the (defined) base type of the variable
if ($this->attributes['baseType']) {
switch ($this->attributes['baseType']) {
case 'boolean':
if (is_string($value)) {
$this->value = (bool) ($value == 'true' || $value == '1' ? 1 : 0);
} else {
if (is_bool($value)) {
$this->value = $value;
} else {
if ($value == null) {
$this->value = null;
} else {
throw new Exception('taoQTI_models_classes_QTI_response_ExpressionOperator::setValue : an error occured, the value [' . $value . '] is not a well formed boolean');
}
}
}
break;
case 'float':
$this->value = (double) $value;
break;
case 'integer':
$this->value = (int) $value;
break;
case 'identifier':
case 'string':
$this->value = (string) $value;
break;
case 'pair':
$this->value = taoQTI_models_classes_Matching_VariableFactory::createJSONValueFromQTIData($value, 'pair');
break;
case 'directedPair':
$this->value = taoQTI_models_classes_Matching_VariableFactory::createJSONValueFromQTIData($value, 'directedPair');
break;
}
}
}
