function wrsqz_import_from_xml($questionType, $dbType, &$data, &$question, &$format, &$extra) {
if (isset($data['@']['type']) && $data['@']['type'] == $questionType . 'wiris') {
$qfxml = new qformat_xml();
if ($questionType == 'essay') {
$question = $qfxml->import_essay($data);
}else if ($questionType == 'match') {
$question = $qfxml->import_matching($data);
}else if ($questionType == 'multichoice') {
$question = $qfxml->import_multichoice($data);
}else if ($questionType == 'truefalse') {
$question = $qfxml->import_truefalse($data);
}else if ($questionType == 'shortanswer') {
$question = $qfxml->import_shortanswer($data);
}else if ($questionType == 'multianswer') {
$questiontext = $data['#']['wirisquestiontext'][0]['#']['text'];
$container = new stdClass;
$container->questiontext = $qfxml->import_text($questiontext);
$question = wrsqz_qtype_multianswer_extract_question($container);
$question->course = $qfxml->course;
$question->generalfeedback = $qfxml->getpath($data, array('#','generalfeedback',0,'#','text',0,'#'), '', true );
$question->name = $qfxml->import_text( $data['#']['name'][0]['#']['text'] );
}
unset($qfxml);
$question->qtype = $questionType . 'wiris';
$program = wrsqz_mathmlDecode($format->getpath($data, array('#', 'wirisquestion', 0, '#'), 0));
$imported = wrsqz_importCASSession($program);
if($imported===false) return false;
$question->hiddenCASValue = $imported[0];
$translation = $imported[1];
if ($questionType == 'shortanswer') {
mb_parse_str($format->getpath($data, array('#', 'wiriseditor', 0, '#'), 0), $eqoptionArray);
$question->wirisEditor = (isset($eqoptionArray['editor']) && $eqoptionArray['editor'] == 'true') ? 'editor=true' : '';
$question->multipleAnswers = (isset($eqoptionArray['multipleAnswers']) && $eqoptionArray['multipleAnswers'] == 'true') ? 'multipleAnswers=true' : '';
$question->wirisCASForComputations = (isset($eqoptionArray['wirisCASForComputations']) && $eqoptionArray['wirisCASForComputations'] == 'true') ? 'wirisCASForComputations=true' : '';
if(isset($eqoptionArray['testFunctionName'])){
foreach ($eqoptionArray['testFunctionName'] as $index => $functionName){
if(!empty($functionName)){
$question->testFunctionName[$index]=$functionName;
}
}
}
}else if ($questionType == 'multichoice') {
$question->gradeOverride = explode(';', $format->getpath($data, array('#', 'wirisoverrideanswer', 0, '#'), 0));
}else if ($questionType == 'truefalse') {
$question->wirisAnswer = $format->getpath($data, array('#', 'wirisoverrideanswer', 0, '#'), 0);
}else if ($questionType == 'multianswer'){
//mb_parse_str($format->getpath($data, array('#', 'wiriseditor', 0, '#'), 0), $eqoptionArray);
//$question->wirisEditor = (isset($eqoptionArray['editor']) && $eqoptionArray['editor'] == 'true') ? 'editor=true' : '';
}
$options = $format->getpath($data, array('#', 'wirisoptions',0,'#'), array());
$question->wirisCASForComputations = $format->getpath($options, array('wirisCASForComputations',0,'#'),0);
//TODO: translate cas if needed.
$question->hiddenInitialCASValue = wrsqz_mathmlDecode($format->getpath($options, array('hiddenInitialCASValue',0,'#'),0));
if(!empty($translation)){
wrsqz_replaceVarReferencesInFlatQuestion($questionType, $question, $translation);
}
return $question;
}
return false;
}
function wrsqz_set_data($questionType, $dbType, &$mform, &$question) {
$default_values = array();
//common options
if(isset($question->options->wiris->options)){
$options = $question->options->wiris->options;
if(isset($options['wirisCASForComputations'])){
$default_values['wirisCASForComputations'] = $options['wirisCASForComputations'];
}
if(isset($options['hiddenInitialCASValue'])){
$default_values['hiddenInitialCASValue'] = $options['hiddenInitialCASValue'];
}
}
//question-type specific options
if ($questionType == 'shortanswer' && isset($question) && isset($question->options) && isset($question->options->wiris) && isset($question->options->wiris->eqoption)) {
$default_values['wirisEditor'] = '';
mb_parse_str($question->options->wiris->eqoption, $eqoptionArray);
if (isset($eqoptionArray['editor']) && $eqoptionArray['editor'] == 'true') {
$default_values['wirisEditor'] = '1';
}
if (isset($eqoptionArray['multipleAnswers']) && $eqoptionArray['multipleAnswers'] == 'true') {
$default_values['multipleAnswers'] = '1';
}
/*if (isset($eqoptionArray['wirisCASForComputations']) && $eqoptionArray['wirisCASForComputations'] == 'true') {
$default_values['wirisCASForComputations'] = '1';
}*/
if (isset($eqoptionArray['testFunction'])){
//set testFunctionNames where their associated answers are
$index = 0;
foreach ($question->options->answers as $answer){
if (isset($eqoptionArray['testFunction'][$answer->id])){
$testFunctionNameIndex = $eqoptionArray['testFunction'][$answer->id];
$default_values['testFunctionName['.$index.']'] = $eqoptionArray['testFunctionName'][$testFunctionNameIndex];
unset($eqoptionArray['testFunctionName'][$testFunctionNameIndex]);
}
$index++;
}
//set test functions with no associated answer.
foreach($eqoptionArray['testFunctionName'] as $key => $value){
$default_values['testFunctionName['.$index.']'] = $value;
$index++;
}
}else if (isset($eqoptionArray['testFunctionName'])){
//Backwards compatibility for old WIRIS quizzes (didn't have testFunction attribute).
foreach ($eqoptionArray['testFunctionName'] as $index => $value){
$default_values['testFunctionName['.$index.']'] = $eqoptionArray['testFunctionName'][$index];
}
}
}else if($questionType == 'multianswer' && isset($question)
&& isset($question->options) && isset($question->options->wiris)
&& isset($question->options->wiris->eqoption)){
mb_parse_str($question->options->wiris->eqoption, $eqoptionArray);
if (isset($eqoptionArray['editor']) && $eqoptionArray['editor'] == 'true') {
$default_values['wirisEditor'] = '1';
} else {
$default_values['wirisEditor'] = '';
}
}
if (isset($question) && isset($question->options) && isset($question->options->wiris) && !empty($question->options->wiris->override)) {
if ($questionType == 'multichoice') {
$overrideList = explode(';', $question->options->wiris->override);
foreach ($overrideList as $key => $value) {
$default_values['gradeOverride[' . $key . ']'] = $value;
}
}else if ($questionType == 'truefalse') {
$overrideList = explode(';', $question->options->wiris->override);
$default_values['wirisAnswer'] = $overrideList[0];
}
}
global $CFG;
$pos = ($mform->_elementIndex['hiddenCASValue']);
$value = trim($mform->_elements[$pos]->_attributes['value']);
$selectedLang = optional_param('WIRISCASLang','',PARAM_ALPHA);
$availableLangs = wrsqz_getAvailableCASLangs();
if (!empty($value)) {
$program = $value;
$sessionLang = wrsqz_CASLanguageFromSession($program);
if(in_array($selectedLang, $availableLangs) && $selectedLang != $sessionLang){
//We have to translate the WIRIS session
$translation = wrsqz_translateCASSession($program,$selectedLang);
if($translation !==false){
$program = $translation[0];
$CASLang = $selectedLang;
//Rearrange all form fields with the new named variables (at the end of the function).
}else{
//We couldn't translate the program. Do nothing
$CASLang = $sessionLang;
}
}else{
$CASLang = $sessionLang;
}
}else{
if (isset($question) && isset($question->id)
&& ($program = wrsqz_getProgram($questionType, $question->id)) !== false
&& !empty($program)) {
$CASLang = wrsqz_CASLanguageFromSession($program);
}else {
$CASLang = wrsqz_currentCASLanguage();
$program = wrsqz_getDefaultCASCode($CASLang);
}
}
$default_values['htmlWirisEditor'] = '<applet name="WirisCASApplet" code="' . wrsqz_getCASClass($CASLang) . '" codebase="' . $CFG->wiriscascodebase . '" archive="' . wrsqz_getCASArchive($CASLang) . '" height="450" WIDTH="100%">';
$default_values['htmlWirisEditor'] .= '<param name="version" value="2.0"/>';
$default_values['htmlWirisEditor'] .= '<param name="command" value="false"/>';
$default_values['htmlWirisEditor'] .= '<param name="commands" value="false"/>';
$default_values['htmlWirisEditor'] .= '<param name="interface" value="false"/>';
$default_values['htmlWirisEditor'] .= '<param name="XMLinitialText" value="' . htmlentities($program, ENT_QUOTES, 'UTF-8') . '"/>';
$default_values['htmlWirisEditor'] .= '</applet>';
$default_values['WIRISCASLang'] = $CASLang;
// defined only because we call wrsqz_wirisQuizzesUsed
$default_values['hiddenCASValue'] = $program;
$question = (object)(array_merge((array)$question, $default_values));
if(isset($translation) && ! empty($translation[1])){
//If WIRIS CAS program had to be translated, there may be references (#a) to
//old variable names, so replace them.
wrsqz_replaceVarReferencesInFlatQuestion($questionType, $question, $translation[1]);
wrsqz_replaceVarReferencesInForm($questionType, $mform, $translation[1]);
}
// If uses wiris quizzes, display advanced otherwise the program
// is lost if the advanced button is never clicked
if (wrsqz_wirisQuizzesUsed($question)) {
$mform->setShowAdvanced(1);
}
}