/**
* Constructor
*
* @param object $a_parent_obj parent gui object
* @param string $a_parent_cmd parent cmd
* @param ilLMPresentationGUI $a_lm_pres learning module presentation gui object
* @param string $a_lang language
*/
function __construct($a_parent_obj, $a_parent_cmd, ilLMPresentationGUI $a_lm_pres, $a_lang = "-")
{
parent::__construct($a_parent_obj, $a_parent_cmd, $a_lm_pres, $a_lang);
include_once "./Modules/LearningModule/classes/class.ilLMObject.php";
$chaps = ilLMObject::_getAllLMObjectsOfLM($this->lm->getId(), $a_type = "st");
foreach ($chaps as $c) {
$this->setNodeOpen($c);
}
}
/**
* Load LM tracking data. Loaded when needed.
*
* @param
* @return
*/
protected function loadLMTrackingData()
{
global $ilDB;
// we must prevent loading tracking data multiple times during a request where possible
// please note that the dirty flag works only to a certain limit
// e.g. if questions are answered the flag is not set (yet)
// or if pages/chapter are added/deleted the flag is not set
if ($this->loaded_for_node === (int) $this->getCurrentPage() && !$this->dirty) {
return;
}
$this->loaded_for_node = (int) $this->getCurrentPage();
$this->dirty = false;
// load lm tree in array
$this->tree_arr = array();
$nodes = $this->lm_tree->getSubTree($this->lm_tree->getNodeData($this->lm_tree->readRootId()));
foreach ($nodes as $node) {
$this->tree_arr["childs"][$node["parent"]][] = $node;
$this->tree_arr["parent"][$node["child"]] = $node["parent"];
$this->tree_arr["nodes"][$node["child"]] = $node;
}
// load all lm obj ids of learning module
include_once "./Modules/LearningModule/classes/class.ilLMObject.php";
$this->lm_obj_ids = ilLMObject::_getAllLMObjectsOfLM($this->lm_obj_id);
// load read event data
$this->re_arr = array();
$set = $ilDB->query("SELECT * FROM lm_read_event " . " WHERE " . $ilDB->in("obj_id", $this->lm_obj_ids, false, "integer"));
while ($rec = $ilDB->fetchAssoc($set)) {
$this->re_arr[$rec["obj_id"]] = $rec;
}
// load question/pages information
$this->page_questions = array();
$this->all_questions = array();
include_once "./Modules/LearningModule/classes/class.ilLMPageObject.php";
$q = ilLMPageObject::queryQuestionsOfLearningModule($this->lm_obj_id, "", "", 0, 0);
foreach ($q["set"] as $quest) {
$this->page_questions[$quest["page_id"]][] = $quest["question_id"];
$this->all_questions[] = $quest["question_id"];
}
// load question answer information
include_once "./Services/COPage/classes/class.ilPageQuestionProcessor.php";
$this->answer_status = ilPageQuestionProcessor::getAnswerStatus($this->all_questions, $this->user_id);
$this->has_incorrect_answers = false;
$has_pred_incorrect_answers = false;
$has_pred_incorrect_not_unlocked_answers = false;
$this->determineProgressStatus($this->lm_tree->readRootId(), $has_pred_incorrect_answers, $has_pred_incorrect_not_unlocked_answers);
$this->has_incorrect_answers = $has_pred_incorrect_answers;
}