/**
* Creates an instance of a question with a given question id
*
* @param integer $question_id The question id
* @return object The question instance
* @access public
*/
function &_instanciateQuestion($question_id)
{
if ($question_id < 1) {
return FALSE;
}
include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
$question_type = SurveyQuestion::_getQuestionType($question_id);
if (strlen($question_type) == 0) {
return FALSE;
}
SurveyQuestion::_includeClass($question_type);
$question = new $question_type();
$question->loadFromDb($question_id);
return $question;
}
/**
* export questions to xml
*/
function toXML($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;
}
/**
* Creates a question gui representation
*
* Creates a question gui representation and returns the alias to the question gui
* note: please do not use $this inside this method to allow static calls
*
* @param string $question_type The question type as it is used in the language database
* @param integer $question_id The database ID of an existing question to load it into ASS_QuestionGUI
* @return object The alias to the question object
* @access public
*/
static function &_getQuestionGUI($questiontype, $question_id = -1)
{
include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
if (!$questiontype and $question_id > 0) {
$questiontype = SurveyQuestion::_getQuestiontype($question_id);
}
SurveyQuestion::_includeClass($questiontype, 1);
$question_type_gui = $questiontype . "GUI";
$question = new $question_type_gui($question_id);
return $question;
}
/**
* Delete constraint confirmation
*/
public function confirmDeleteConstraintsObject()
{
$id = (int) $_REQUEST["precondition"];
if (!$this->validateConstraintForEdit($id)) {
$this->ctrl->redirect($this, "constraints");
}
$constraint = $this->object->getPrecondition($id);
$questions = $this->object->getSurveyQuestions();
$question = $questions[$constraint["question_fi"]];
$relation = $questions[$constraint["ref_question_fi"]];
$relation = $relation["title"];
// see ilSurveyConstraintsTableGUI
include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
$question_type = SurveyQuestion::_getQuestionType($constraint["question_fi"]);
SurveyQuestion::_includeClass($question_type);
$question_obj = new $question_type();
$question_obj->loadFromDb($constraint["question_fi"]);
$valueoutput = $question_obj->getPreconditionValueOutput($constraint["value"]);
$title = $question["title"] . " " . $constraint["shortname"] . " " . $valueoutput;
$this->ctrl->saveParameter($this, "precondition");
include_once "./Services/Utilities/classes/class.ilConfirmationGUI.php";
$cgui = new ilConfirmationGUI();
$cgui->setHeaderText(sprintf($this->lng->txt("survey_sure_delete_constraint"), $title, $relation));
$cgui->setFormAction($this->ctrl->getFormAction($this, "deleteConstraints"));
$cgui->setCancel($this->lng->txt("cancel"), "constraints");
$cgui->setConfirm($this->lng->txt("confirm"), "deleteConstraints");
$this->tpl->setContent($cgui->getHTML());
}
/**
* Creates an instance of a question GUI with a given question id
*
* @param integer $question_id The question id
* @return object The question GUI instance
* @access public
*/
function &_instanciateQuestionGUI($question_id)
{
$question_type = SurveyQuestion::_getQuestionType($question_id);
if ($question_type) {
SurveyQuestion::_includeClass($question_type, 1);
$guitype = $question_type . "GUI";
$question = new $guitype($question_id);
return $question;
}
}
public function constraintForm($step, $postvalues, &$survey_questions, $questions = FALSE)
{
if (strlen($_GET["start"])) {
$this->ctrl->setParameter($this, "start", $_GET["start"]);
}
$this->ctrl->saveParameter($this, "precondition");
include_once "./Services/Form/classes/class.ilPropertyFormGUI.php";
$form = new ilPropertyFormGUI();
$form->setFormAction($this->ctrl->getFormAction($this));
$form->setTableWidth("100%");
$form->setId("constraintsForm");
// #9366
$title = array();
$title_ids = $_SESSION["includeElements"];
if (!$title_ids) {
$title_ids = array($_GET["start"]);
}
foreach ($title_ids as $title_id) {
// question block
if ($survey_questions[$_SESSION["constraintstructure"][$title_id][0]]["questionblock_id"] > 0) {
$title[] = $this->lng->txt("questionblock") . ": " . $survey_questions[$_SESSION["constraintstructure"][$title_id][0]]["questionblock_title"];
} else {
$title[] = $this->lng->txt($survey_questions[$_SESSION["constraintstructure"][$title_id][0]]["type_tag"]) . ": " . $survey_questions[$_SESSION["constraintstructure"][$title_id][0]]["title"];
}
}
$header = new ilFormSectionHeaderGUI();
$header->setTitle(implode("<br/>", $title));
$form->addItem($header);
$fulfilled = new ilRadioGroupInputGUI($this->lng->txt("constraint_fulfilled"), "c");
$fulfilled->addOption(new ilRadioOption($this->lng->txt("conjunction_and"), '0', ''));
$fulfilled->addOption(new ilRadioOption($this->lng->txt("conjunction_or"), '1', ''));
$fulfilled->setValue(strlen($postvalues['c']) ? $postvalues['c'] : 0);
$form->addItem($fulfilled);
$step1 = new ilSelectInputGUI($this->lng->txt("step") . " 1: " . $this->lng->txt("select_prior_question"), "q");
$options = array();
if (is_array($questions)) {
foreach ($questions as $question) {
$options[$question["question_id"]] = $question["title"] . " (" . SurveyQuestion::_getQuestionTypeName($question["type_tag"]) . ")";
}
}
$step1->setOptions($options);
$step1->setValue($postvalues["q"]);
$form->addItem($step1);
if ($step > 1) {
$relations = $this->object->getAllRelations();
$step2 = new ilSelectInputGUI($this->lng->txt("step") . " 2: " . $this->lng->txt("select_relation"), "r");
$options = array();
foreach ($relations as $rel_id => $relation) {
if (in_array($relation["short"], $survey_questions[$postvalues["q"]]["availableRelations"])) {
$options[$rel_id] = $relation['short'];
}
}
$step2->setOptions($options);
$step2->setValue($postvalues["r"]);
$form->addItem($step2);
}
if ($step > 2) {
$variables =& $this->object->getVariables($postvalues["q"]);
$question_type = $survey_questions[$postvalues["q"]]["type_tag"];
include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
SurveyQuestion::_includeClass($question_type);
$question = new $question_type();
$question->loadFromDb($postvalues["q"]);
$step3 = $question->getPreconditionSelectValue($postvalues["v"], $this->lng->txt("step") . " 3: " . $this->lng->txt("select_value"), "v");
$form->addItem($step3);
}
switch ($step) {
case 1:
$cmd_continue = "constraintStep2";
$cmd_back = "constraints";
break;
case 2:
$cmd_continue = "constraintStep3";
$cmd_back = "constraintStep1";
break;
case 3:
$cmd_continue = "constraintsAdd";
$cmd_back = "constraintStep2";
break;
}
$form->addCommandButton($cmd_back, $this->lng->txt("back"));
$form->addCommandButton($cmd_continue, $this->lng->txt("continue"));
$this->tpl->setVariable("ADM_CONTENT", $form->getHTML());
}
/**
* handler for begin of element
*/
function handlerBeginTag($a_xml_parser, $a_name, $a_attribs)
{
$this->depth[$a_xml_parser]++;
$this->path[$this->depth[$a_xml_parser]] = strtolower($a_name);
$this->characterbuffer = "";
$this->activetag = $a_name;
$this->elements++;
$this->attributes += count($a_attribs);
switch ($a_name) {
case "questionblock":
$this->in_questionblock = TRUE;
$this->questionblock = array();
$this->questionblocktitle = "";
$this->showQuestiontext = 1;
foreach ($a_attribs as $attrib => $value) {
switch ($attrib) {
case "showQuestiontext":
$this->showQuestiontext = $value;
break;
}
}
break;
case "surveyquestions":
foreach ($a_attribs as $attrib => $value) {
switch ($attrib) {
case "online":
if ($this->spl_id > 0) {
include_once "./Modules/SurveyQuestionPool/classes/class.ilObjSurveyQuestionPool.php";
$spl = new ilObjSurveyQuestionPool($this->spl_id, false);
$spl->setOnline($value);
$spl->saveToDb();
}
break;
}
}
break;
case "survey":
$this->in_survey = TRUE;
foreach ($a_attribs as $attrib => $value) {
switch ($attrib) {
case "title":
if (is_object($this->survey)) {
$this->survey->setTitle($value);
}
break;
}
}
break;
case "anonymisation":
foreach ($a_attribs as $attrib => $value) {
switch ($attrib) {
case "enabled":
$this->anonymisation = $value;
break;
}
}
break;
case "access":
foreach ($a_attribs as $attrib => $value) {
switch ($attrib) {
case "type":
$this->surveyaccess = $value;
break;
}
}
break;
case "constraint":
array_push($this->constraints, array("sourceref" => $a_attribs["sourceref"], "destref" => $a_attribs["destref"], "relation" => $a_attribs["relation"], "value" => $a_attribs["value"], "conjunction" => (int) $a_attribs["conjuction"]));
break;
case "question":
// start with a new survey question
$type = $a_attribs["type"];
// patch due to changes in question types
switch ($type) {
case 'SurveyNominalQuestion':
$type = 'SurveyMultipleChoiceQuestion';
foreach ($a_attribs as $key => $value) {
switch ($key) {
case "subtype":
if ($value == 1) {
$type = 'SurveySingleChoiceQuestion';
} else {
$type = 'SurveyMultipleChoiceQuestion';
}
break;
}
}
break;
case 'SurveyOrdinalQuestion':
$type = 'SurveySingleChoiceQuestion';
break;
}
if (strlen($type)) {
include_once "./Modules/SurveyQuestionPool/classes/class.SurveyQuestion.php";
if (SurveyQuestion::_includeClass($type)) {
$this->activequestion = new $type();
// if no pool is given, question will reference survey
$q_obj_id = $this->spl_id;
if ($this->spl_id < 0) {
$q_obj_id = $this->survey->getId();
}
$this->activequestion->setObjId($q_obj_id);
}
} else {
$this->activequestion = NULL;
}
$this->original_question_id = $a_attribs["id"];
if ($this->in_questionblock) {
array_push($this->questionblock, $this->original_question_id);
}
if (is_object($this->activequestion)) {
foreach ($a_attribs as $key => $value) {
switch ($key) {
case "title":
$this->activequestion->setTitle($value);
break;
case "subtype":
$this->activequestion->setSubtype($value);
break;
case "obligatory":
$this->activequestion->setObligatory($value);
break;
}
}
}
break;
case "material":
switch ($this->getParent($a_xml_parser)) {
case "question":
case "questiontext":
$this->material = array();
break;
}
array_push($this->material, array("text" => "", "image" => "", "label" => $a_attribs["label"]));
break;
case "matimage":
case "label":
if (array_key_exists("label", $a_attribs)) {
if (preg_match("/(il_([0-9]+)_mob_([0-9]+))/", $a_attribs["label"], $matches)) {
// import an mediaobject which was inserted using tiny mce
if (!is_array($_SESSION["import_mob_xhtml"])) {
$_SESSION["import_mob_xhtml"] = array();
}
array_push($_SESSION["import_mob_xhtml"], array("mob" => $a_attribs["label"], "uri" => $a_attribs["uri"], "type" => $a_attribs["type"], "id" => $a_attribs["id"]));
}
}
break;
case "metadata":
$this->metadata = array();
break;
case "metadatafield":
array_push($this->metadata, array("label" => "", "entry" => ""));
break;
case "matrix":
$this->is_matrix = TRUE;
$this->matrix = array();
break;
case "matrixrow":
$this->material = array();
array_push($this->matrix, "");
$this->matrixrowattribs = array("id" => $a_attribs["id"], "label" => $a_attribs["label"], "other" => $a_attribs["other"]);
break;
case "responses":
$this->material = array();
$this->responses = array();
break;
case "variables":
$this->variables = array();
break;
case "response_single":
$this->material = array();
$this->responses[$a_attribs["id"]] = array("type" => "single", "id" => $a_attribs["id"], "label" => $a_attribs["label"], "other" => $a_attribs["other"], "neutral" => $a_attribs["neutral"], "scale" => $a_attribs["scale"]);
$this->response_id = $a_attribs["id"];
break;
case "response_multiple":
$this->material = array();
$this->responses[$a_attribs["id"]] = array("type" => "multiple", "id" => $a_attribs["id"], "label" => $a_attribs["label"], "other" => $a_attribs["other"], "neutral" => $a_attribs["neutral"], "scale" => $a_attribs["scale"]);
$this->response_id = $a_attribs["id"];
break;
case "response_text":
$this->material = array();
$this->responses[$a_attribs["id"]] = array("type" => "text", "id" => $a_attribs["id"], "columns" => $a_attribs["columns"], "maxlength" => $a_attribs["maxlength"], "rows" => $a_attribs["rows"], "label" => $a_attribs["label"]);
$this->response_id = $a_attribs["id"];
break;
case "response_num":
$this->material = array();
$this->responses[$a_attribs["id"]] = array("type" => "num", "id" => $a_attribs["id"], "format" => $a_attribs["format"], "max" => $a_attribs["max"], "min" => $a_attribs["min"], "size" => $a_attribs["size"], "label" => $a_attribs["label"]);
$this->response_id = $a_attribs["id"];
break;
case "response_time":
$this->material = array();
$this->responses[$a_attribs["id"]] = array("type" => "time", "id" => $a_attribs["id"], "format" => $a_attribs["format"], "max" => $a_attribs["max"], "min" => $a_attribs["min"], "label" => $a_attribs["label"]);
$this->response_id = $a_attribs["id"];
break;
case "bipolar_adjectives":
$this->adjectives = array();
break;
case "adjective":
array_push($this->adjectives, array("label" => $a_attribs["label"], "text" => ""));
break;
}
}
