/**
* Short description of method buildResponseDeclaration
*
* @access public
* @author Joel Bout, <*****@*****.**>
* @param DOMElement $data
* @return \oat\taoQtiItem\model\qti\ResponseDeclaration
* @see http://www.imsglobal.org/question/qti_v2p0/imsqti_infov2p0.html#element10074
*/
protected function buildResponseDeclaration(DOMElement $data)
{
$myResponse = new ResponseDeclaration($this->extractAttributes($data), $this->item);
$data = simplexml_import_dom($data);
//set the correct responses
$correctResponseNodes = $data->xpath("*[name(.) = 'correctResponse']");
$responses = array();
foreach ($correctResponseNodes as $correctResponseNode) {
foreach ($correctResponseNode->value as $value) {
$correct = (string) $value;
$response = new Value();
foreach ($value->attributes() as $attrName => $attrValue) {
$response->setAttribute($attrName, strval($attrValue));
}
$response->setValue(htmlentities($correct));
$responses[] = $response;
}
break;
}
$myResponse->setCorrectResponses($responses);
//set the correct responses
$defaultValueNodes = $data->xpath("*[name(.) = 'defaultValue']");
$defaultValues = array();
foreach ($defaultValueNodes as $defaultValueNode) {
foreach ($defaultValueNode->value as $value) {
$default = (string) $value;
$defaultValue = new Value();
foreach ($value->attributes() as $attrName => $attrValue) {
$defaultValue->setAttribute($attrName, strval($attrValue));
}
$defaultValue->setValue(htmlentities($default));
$defaultValues[] = $defaultValue;
}
break;
}
$myResponse->setDefaultValue($defaultValues);
//set the mapping if defined
$mappingNodes = $data->xpath("*[name(.) = 'mapping']");
foreach ($mappingNodes as $mappingNode) {
if (isset($mappingNode['defaultValue'])) {
$myResponse->setMappingDefaultValue(floatval((string) $mappingNode['defaultValue']));
}
$mappingOptions = array();
foreach ($mappingNode->attributes() as $key => $value) {
if ($key != 'defaultValue') {
$mappingOptions[$key] = (string) $value;
}
}
$myResponse->setAttribute('mapping', $mappingOptions);
$mapping = array();
foreach ($mappingNode->mapEntry as $mapEntry) {
$mapping[(string) $mapEntry['mapKey']] = (string) $mapEntry['mappedValue'];
}
$myResponse->setMapping($mapping);
break;
}
//set the areaMapping if defined
$mappingNodes = $data->xpath("*[name(.) = 'areaMapping']");
foreach ($mappingNodes as $mappingNode) {
if (isset($mappingNode['defaultValue'])) {
$myResponse->setMappingDefaultValue(floatval((string) $mappingNode['defaultValue']));
}
$mappingOptions = array();
foreach ($mappingNode->attributes() as $key => $value) {
if ($key != 'defaultValue') {
$mappingOptions[$key] = (string) $value;
}
}
$myResponse->setAttribute('areaMapping', $mappingOptions);
$mapping = array();
foreach ($mappingNode->areaMapEntry as $mapEntry) {
$mappingAttributes = array();
foreach ($mapEntry->attributes() as $key => $value) {
$mappingAttributes[(string) $key] = (string) $value;
}
$mapping[] = $mappingAttributes;
}
$myResponse->setMapping($mapping, 'area');
break;
}
return $myResponse;
}