/**
* export questions to xml
*/
function toXML($questions)
{
if (!is_array($questions)) {
$questions =& $this->getQuestions();
}
if (count($questions) == 0) {
$questions =& $this->getQuestions();
}
$xml = "";
include_once "./Services/Xml/classes/class.ilXmlWriter.php";
$a_xml_writer = new ilXmlWriter();
// set xml header
$a_xml_writer->xmlHeader();
$attrs = array("xmlns:xsi" => "http://www.w3.org/2001/XMLSchema-instance", "xsi:noNamespaceSchemaLocation" => "http://www.ilias.de/download/xsd/ilias_survey_4_2.xsd");
$a_xml_writer->xmlStartTag("surveyobject", $attrs);
$attrs = array("id" => "qpl_" . $this->getId(), "label" => $this->getTitle(), "online" => $this->getOnline());
$a_xml_writer->xmlStartTag("surveyquestions", $attrs);
$a_xml_writer->xmlElement("dummy", NULL, "dummy");
// add ILIAS specific metadata
$a_xml_writer->xmlStartTag("metadata");
$a_xml_writer->xmlStartTag("metadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "SCORM");
include_once "./Services/MetaData/classes/class.ilMD.php";
$md = new ilMD($this->getId(), 0, $this->getType());
$writer = new ilXmlWriter();
$md->toXml($writer);
$metadata = $writer->xmlDumpMem();
$a_xml_writer->xmlElement("fieldentry", NULL, $metadata);
$a_xml_writer->xmlEndTag("metadatafield");
$a_xml_writer->xmlEndTag("metadata");
$a_xml_writer->xmlEndTag("surveyquestions");
$a_xml_writer->xmlEndTag("surveyobject");
$xml = $a_xml_writer->xmlDumpMem(FALSE);
$questionxml = "";
foreach ($questions as $key => $value) {
$questiontype = $this->getQuestiontype($value);
include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
SurveyQuestion::_includeClass($questiontype);
$question = new $questiontype();
$question->loadFromDb($value);
$questionxml .= $question->toXML(false);
}
$xml = str_replace("<dummy>dummy</dummy>", $questionxml, $xml);
return $xml;
}
/**
* Returns a QTI xml representation of the survey
*
* @return string The QTI xml representation of the survey
* @access public
*/
function toXML()
{
include_once "./Services/Xml/classes/class.ilXmlWriter.php";
$a_xml_writer = new ilXmlWriter();
// set xml header
$a_xml_writer->xmlHeader();
$attrs = array("xmlns:xsi" => "http://www.w3.org/2001/XMLSchema-instance", "xsi:noNamespaceSchemaLocation" => "http://www.ilias.de/download/xsd/ilias_survey_4_2.xsd");
$a_xml_writer->xmlStartTag("surveyobject", $attrs);
$attrs = array("id" => $this->getSurveyId(), "title" => $this->getTitle());
$a_xml_writer->xmlStartTag("survey", $attrs);
$a_xml_writer->xmlElement("description", NULL, $this->getDescription());
$a_xml_writer->xmlElement("author", NULL, $this->getAuthor());
$a_xml_writer->xmlStartTag("objectives");
$attrs = array("label" => "introduction");
$this->addMaterialTag($a_xml_writer, $this->getIntroduction(), TRUE, TRUE, $attrs);
$attrs = array("label" => "outro");
$this->addMaterialTag($a_xml_writer, $this->getOutro(), TRUE, TRUE, $attrs);
$a_xml_writer->xmlEndTag("objectives");
if ($this->getAnonymize()) {
$attribs = array("enabled" => "1");
} else {
$attribs = array("enabled" => "0");
}
$a_xml_writer->xmlElement("anonymisation", $attribs);
$a_xml_writer->xmlStartTag("restrictions");
if ($this->getAnonymize() == 2) {
$attribs = array("type" => "free");
} else {
$attribs = array("type" => "restricted");
}
$a_xml_writer->xmlElement("access", $attribs);
if ($this->getStartDate()) {
$attrs = array("type" => "date");
preg_match("/(\\d{4})(\\d{2})(\\d{2})(\\d{2})(\\d{2})(\\d{2})/", $this->getStartDate(), $matches);
$a_xml_writer->xmlElement("startingtime", $attrs, sprintf("%04d-%02d-%02dT%02d:%02d:00", $matches[1], $matches[2], $matches[3], $matches[4], $matches[5], $matches[6]));
}
if ($this->getEndDate()) {
$attrs = array("type" => "date");
preg_match("/(\\d{4})(\\d{2})(\\d{2})(\\d{2})(\\d{2})(\\d{2})/", $this->getEndDate(), $matches);
$a_xml_writer->xmlElement("endingtime", $attrs, sprintf("%04d-%02d-%02dT%02d:%02d:00", $matches[1], $matches[2], $matches[3], $matches[4], $matches[5], $matches[6]));
}
$a_xml_writer->xmlEndTag("restrictions");
// constraints
$pages =& $this->getSurveyPages();
$hasconstraints = FALSE;
foreach ($pages as $question_array) {
foreach ($question_array as $question) {
if (count($question["constraints"])) {
$hasconstraints = TRUE;
}
}
}
if ($hasconstraints) {
$a_xml_writer->xmlStartTag("constraints");
foreach ($pages as $question_array) {
foreach ($question_array as $question) {
if (count($question["constraints"])) {
// found constraints
foreach ($question["constraints"] as $constraint) {
$attribs = array("sourceref" => $question["question_id"], "destref" => $constraint["question"], "relation" => $constraint["short"], "value" => $constraint["value"], "conjunction" => $constraint["conjunction"]);
$a_xml_writer->xmlElement("constraint", $attribs);
}
}
}
}
$a_xml_writer->xmlEndTag("constraints");
}
// add the rest of the preferences in qtimetadata tags, because there is no correspondent definition in QTI
$a_xml_writer->xmlStartTag("metadata");
$a_xml_writer->xmlStartTag("metadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "evaluation_access");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->getEvaluationAccess());
$a_xml_writer->xmlEndTag("metadatafield");
$a_xml_writer->xmlStartTag("metadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "status");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->getStatus());
$a_xml_writer->xmlEndTag("metadatafield");
$a_xml_writer->xmlStartTag("metadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "display_question_titles");
$a_xml_writer->xmlElement("fieldentry", NULL, $this->getShowQuestionTitles());
$a_xml_writer->xmlEndTag("metadatafield");
$a_xml_writer->xmlStartTag("metadatafield");
$a_xml_writer->xmlElement("fieldlabel", NULL, "SCORM");
include_once "./Services/MetaData/classes/class.ilMD.php";
$md = new ilMD($this->getId(), 0, $this->getType());
$writer = new ilXmlWriter();
$md->toXml($writer);
$metadata = $writer->xmlDumpMem();
$a_xml_writer->xmlElement("fieldentry", NULL, $metadata);
$a_xml_writer->xmlEndTag("metadatafield");
$a_xml_writer->xmlEndTag("metadata");
$a_xml_writer->xmlEndTag("survey");
$attribs = array("id" => $this->getId());
$a_xml_writer->xmlStartTag("surveyquestions", $attribs);
// add questionblock descriptions
$obligatory_states =& $this->getObligatoryStates();
foreach ($pages as $question_array) {
if (count($question_array) > 1) {
$attribs = array("id" => $question_array[0]["question_id"]);
$attribs = array("showQuestiontext" => $question_array[0]["questionblock_show_questiontext"], "showBlocktitle" => $question_array[0]["questionblock_show_blocktitle"]);
$a_xml_writer->xmlStartTag("questionblock", $attribs);
if (strlen($question_array[0]["questionblock_title"])) {
$a_xml_writer->xmlElement("questionblocktitle", NULL, $question_array[0]["questionblock_title"]);
}
}
foreach ($question_array as $question) {
if (strlen($question["heading"])) {
$a_xml_writer->xmlElement("textblock", NULL, $question["heading"]);
}
$questionObject =& $this->_instanciateQuestion($question["question_id"]);
if ($questionObject !== FALSE) {
$questionObject->insertXML($a_xml_writer, FALSE, $obligatory_states[$question["question_id"]]);
}
}
if (count($question_array) > 1) {
$a_xml_writer->xmlEndTag("questionblock");
}
}
$a_xml_writer->xmlEndTag("surveyquestions");
$a_xml_writer->xmlEndTag("surveyobject");
$xml = $a_xml_writer->xmlDumpMem(FALSE);
return $xml;
}
