class.ilObjSAHSLearningModule.php

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<?php
 
/* Copyright (c) 1998-2011 ILIAS open source, Extended GPL, see docs/LICENSE */
 
require_once "./Services/Object/classes/class.ilObject.php";
require_once "./Modules/ScormAicc/classes/class.ilObjSCORMValidator.php";
//require_once "Services/MetaData/classes/class.ilMDLanguageItem.php";
 
class ilObjSAHSLearningModule extends ilObject
{
    public $validator;
    //  var $meta_data;
 
    public function __construct($a_id = 0, $a_call_by_reference = true)
    {
        $this->type = "sahs";
        parent::__construct($a_id, $a_call_by_reference);
    }
 
    public function create($upload = false)
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
 
        parent::create();
        if (!$upload) {
            $this->createMetaData();
        }
 
        $this->createDataDirectory();
        $ilDB->manipulateF(
            '
                        INSERT INTO sahs_lm (id, api_adapter, c_type, editable, seq_exp_mode,localization) 
                        VALUES (%s,%s,%s,%s,%s,%s)',
            array('integer', 'text', 'text', 'integer','integer','text'),
            array($this->getId(),'API', $this->getSubType(),(int) $this->getEditable(),
                (int) $this->getSequencingExpertMode(), $this->getLocalization()
                )
        );
    }
 
    public function read()
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
        
        parent::read();
 
        $lm_set = $ilDB->queryF(
            'SELECT * FROM sahs_lm WHERE id = %s',
            array('integer'),
            array($this->getId())
        );
        
        while ($lm_rec = $ilDB->fetchAssoc($lm_set)) {
            $this->setAutoReviewChar($lm_rec["auto_review"]);
            $this->setAPIAdapterName($lm_rec["api_adapter"]);
            $this->setDefaultLessonMode($lm_rec["default_lesson_mode"]);
            $this->setAPIFunctionsPrefix($lm_rec["api_func_prefix"]);
            $this->setCreditMode($lm_rec["credit"]);
            $this->setSubType($lm_rec["c_type"]);
            $this->setEditable($lm_rec["editable"]);
            $this->setStyleSheetId($lm_rec["stylesheet"]);
            $this->setMaxAttempt($lm_rec["max_attempt"]);
            $this->setModuleVersion($lm_rec["module_version"]);
            $this->setAssignedGlossary($lm_rec["glossary"]);
            $this->setTries($lm_rec["question_tries"]);
            $this->setLocalization($lm_rec["localization"]);
            $this->setSession(ilUtil::yn2tf($lm_rec["unlimited_session"]));
            $this->setNoMenu(ilUtil::yn2tf($lm_rec["no_menu"]));
            $this->setHideNavig(ilUtil::yn2tf($lm_rec["hide_navig"]));
            $this->setFourth_edition(ilUtil::yn2tf($lm_rec["fourth_edition"]));
            $this->setSequencing(ilUtil::yn2tf($lm_rec["sequencing"]));
            $this->setInteractions(ilUtil::yn2tf($lm_rec["interactions"]));
            $this->setObjectives(ilUtil::yn2tf($lm_rec["objectives"]));
            $this->setComments(ilUtil::yn2tf($lm_rec["comments"]));
            $this->setTime_from_lms(ilUtil::yn2tf($lm_rec["time_from_lms"]));
            $this->setDebug(ilUtil::yn2tf($lm_rec["debug"]));
            $this->setDebugPw($lm_rec["debugpw"]);
            $this->setSequencingExpertMode($lm_rec["seq_exp_mode"]);
            $this->setOpenMode($lm_rec["open_mode"]);
            $this->setWidth($lm_rec["width"]);
            $this->setHeight($lm_rec["height"]);
            $this->setAutoContinue(ilUtil::yn2tf($lm_rec["auto_continue"]));
            $this->setAuto_last_visited(ilUtil::yn2tf($lm_rec["auto_last_visited"]));
            $this->setCheck_values(ilUtil::yn2tf($lm_rec["check_values"]));
            $this->setOfflineMode(ilUtil::yn2tf($lm_rec["offline_mode"]));
            $this->setAutoSuspend(ilUtil::yn2tf($lm_rec["auto_suspend"]));
            $this->setIe_force_render(ilUtil::yn2tf($lm_rec["ie_force_render"]));
            $this->setMasteryScore($lm_rec["mastery_score"]);
            $this->setIdSetting($lm_rec["id_setting"]);
            $this->setNameSetting($lm_rec["name_setting"]);
            
            include_once("./Services/Style/Content/classes/class.ilObjStyleSheet.php");
            if (ilObject::_lookupType($this->getStyleSheetId()) != "sty") {
                $this->setStyleSheetId(0);
            }
        }
    }
 
    
    public static function getAffectiveLocalization($a_id)
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
        $lng = $DIC['lng'];
        
        $lm_set = $ilDB->queryF(
            'SELECT localization FROM sahs_lm WHERE id = %s',
            array('integer'),
            array($a_id)
        );
        $lm_rec = $ilDB->fetchAssoc($lm_set);
        $inst_lang = $lng->getInstalledLanguages();
        if ($lm_rec["localization"] != "" && in_array($lm_rec["localization"], $inst_lang)) {
            return $lm_rec["localization"];
        }
        return $lng->getLangKey();
    }
 
    public static function _lookupSubType($a_obj_id)
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
 
        $obj_set = $ilDB->queryF(
            'SELECT c_type FROM sahs_lm WHERE id = %s',
            array('integer'),
            array($a_obj_id)
        );
        $obj_rec = $ilDB->fetchAssoc($obj_set);
        
        return $obj_rec["c_type"];
    }
 
    public function setEditable($a_editable)
    {
        $this->editable = $a_editable;
    }
 
    public function getEditable()
    {
        return $this->editable;
    }
 
 
    public function setTries($a_tries)
    {
        $this->tries = $a_tries;
    }
 
    public function getTries()
    {
        return $this->tries;
    }
    
    public function setLocalization($a_val)
    {
        $this->localization = $a_val;
    }
    
    public function getLocalization()
    {
        return $this->localization;
    }
 
    public static function _getTries($a_id)
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
 
        $lm_set = $ilDB->queryF(
            'SELECT question_tries FROM sahs_lm WHERE id = %s',
            array('integer'),
            array($a_id)
        );
        $lm_rec = $ilDB->fetchAssoc($lm_set);
            
        return $lm_rec['question_tries'];
    }
    public function getDiskUsage()
    {
        require_once("./Modules/ScormAicc/classes/class.ilObjSAHSLearningModuleAccess.php");
        return ilObjSAHSLearningModuleAccess::_lookupDiskUsage($this->id);
    }
 
 
    public function createDataDirectory()
    {
        $lm_data_dir = ilUtil::getWebspaceDir() . "/lm_data";
        ilUtil::makeDir($lm_data_dir);
        ilUtil::makeDir($this->getDataDirectory());
    }
 
    public function getDataDirectory($mode = "filesystem")
    {
        $lm_data_dir = ilUtil::getWebspaceDir($mode) . "/lm_data";
        $lm_dir = $lm_data_dir . "/lm_" . $this->getId();
 
        return $lm_dir;
    }
 
    public function getAPIAdapterName()
    {
        return $this->api_adapter;
    }
 
    public function setAPIAdapterName($a_api)
    {
        $this->api_adapter = $a_api;
    }
 
    public function getAPIFunctionsPrefix()
    {
        return $this->api_func_prefix;
    }
 
    public function setAPIFunctionsPrefix($a_prefix)
    {
        $this->api_func_prefix = $a_prefix;
    }
 
    public function getCreditMode()
    {
        return $this->credit_mode;
    }
 
    public function setCreditMode($a_credit_mode)
    {
        $this->credit_mode = $a_credit_mode;
    }
 
    public function setDefaultLessonMode($a_lesson_mode)
    {
        $this->lesson_mode = $a_lesson_mode;
    }
 
    public function getDefaultLessonMode()
    {
        global $DIC;
        if ($DIC['ilUser']->getId() == 13) {
            return "browse";
        }
        return $this->lesson_mode;
    }
    public function getStyleSheetId()
    {
        return $this->style_id;
    }
 
    public function setStyleSheetId($a_style_id)
    {
        $this->style_id = $a_style_id;
    }
 
 
    public function setAutoReview($a_auto_review)
    {
        $this->auto_review = ilUtil::tf2yn($a_auto_review);
    }
    public function getAutoReview()
    {
        return ilUtil::yn2tf($this->auto_review);
    }
    
    public function setAutoReviewChar($a_auto_review)
    {
        $this->auto_review = $a_auto_review;
    }
    public function getAutoReviewChar()
    {
        return $this->auto_review;
    }
    
    public function getMaxAttempt()
    {
        return $this->max_attempt;
    }
 
 
    public function setMaxAttempt($a_max_attempt)
    {
        $this->max_attempt = $a_max_attempt;
    }
    
    public function getModuleVersion()
    {
        return $this->module_version;
    }
 
    public function getAssignedGlossary()
    {
        return $this->assigned_glossary;
    }
    
    public function setAssignedGlossary($a_assigned_glossary)
    {
        $this->assigned_glossary = $a_assigned_glossary;
    }
    public function setModuleVersion($a_module_version)
    {
        $this->module_version = $a_module_version;
    }
    
    public function getSession()
    {
        return $this->session;
    }
    
    public function setSession($a_session)
    {
        $this->session = $a_session;
    }
    
    public function getNoMenu()
    {
        return $this->no_menu;
    }
    
    public function setNoMenu($a_no_menu)
    {
        $this->no_menu = $a_no_menu;
    }
    
    public function getHideNavig()
    {
        return $this->hide_navig;
    }
    
    public function setHideNavig($a_hide_navig)
    {
        $this->hide_navig = $a_hide_navig;
    }
 
    public function getCacheDeactivated()
    {
        global $DIC;
        $ilSetting = $DIC['ilSetting'];
        $lm_set = new ilSetting("lm");
        if ($lm_set->get("scormdebug_disable_cache") == "1") {
            return true;
        }
        return false;
    }
 
    public function getSessionDeactivated()
    {
        global $DIC;
        $ilSetting = $DIC['ilSetting'];
        $lm_set = new ilSetting("lm");
        if ($lm_set->get("scorm_without_session") == "1") {
            return true;
        }
        return false;
    }
 
    public function getDebugActivated()
    {
        global $DIC;
        $ilSetting = $DIC['ilSetting'];
        $lm_set = new ilSetting("lm");
        if ($lm_set->get("scormdebug_global_activate") == "1") {
            return true;
        }
        return false;
    }
 
    public function getIe_force_render()
    {
        return $this->ie_force_render;
    }
 
    public function setIe_force_render($a_ie_force_render)
    {
        $this->ie_force_render = $a_ie_force_render;
    }
 
    public function getFourth_Edition()
    {
        return $this->fourth_edition;
    }
 
    public function setFourth_edition($a_fourth_edition)
    {
        $this->fourth_edition = $a_fourth_edition;
    }
 
    public function getSequencing()
    {
        return $this->sequencing;
    }
 
    public function setSequencing($a_sequencing)
    {
        $this->sequencing = $a_sequencing;
    }
 
    public function getInteractions()
    {
        return $this->interactions;
    }
 
    public function setInteractions($a_interactions)
    {
        $this->interactions = $a_interactions;
    }
 
    public function getObjectives()
    {
        return $this->objectives;
    }
 
    public function setObjectives($a_objectives)
    {
        $this->objectives = $a_objectives;
    }
 
    public function getComments()
    {
        return $this->comments;
    }
 
    public function setComments($a_comments)
    {
        $this->comments = $a_comments;
    }
 
    public function getTime_from_lms()
    {
        return $this->time_from_lms;
    }
 
    public function setTime_from_lms($a_time_from_lms)
    {
        $this->time_from_lms = $a_time_from_lms;
    }
 
    public function getCheck_values()
    {
        return $this->check_values;
    }
 
    public function setCheck_values($a_check_values)
    {
        $this->check_values = $a_check_values;
    }
 
    public function getOfflineMode()
    {
        return $this->offline_mode;
    }
 
    public function setOfflineMode($a_offline_mode)
    {
        $this->offline_mode = $a_offline_mode;
    }
 
    
    public function getDebug()
    {
        return $this->debug;
    }
    
    public function setDebug($a_debug)
    {
        $this->debug = $a_debug;
    }
    
    public function getDebugPw()
    {
        return $this->debug_pw;
    }
    
    public function setDebugPw($a_debug_pw)
    {
        $this->debug_pw = $a_debug_pw;
    }
    
    public function setAutoContinue($a_auto_continue)
    {
        $this->auto_continue = $a_auto_continue;
    }
    public function getAutoContinue()
    {
        return $this->auto_continue;
    }
 
    public function getAuto_last_visited()
    {
        return $this->auto_last_visited;
    }
 
    public function setAuto_last_visited($a_auto_last_visited)
    {
        $this->auto_last_visited = $a_auto_last_visited;
    }
 
    
    public function setSequencingExpertMode($a_val)
    {
        $this->seq_exp_mode = $a_val;
    }
    
    public function getSequencingExpertMode()
    {
        return $this->seq_exp_mode;
    }
 
    public function setAutoSuspend($a_auto_suspend)
    {
        $this->auto_suspend = $a_auto_suspend;
    }
    public function getAutoSuspend()
    {
        return $this->auto_suspend;
    }
 
    
    public function getOpenMode()
    {
        return $this->open_mode;
    }
    public function setOpenMode($a_open_mode)
    {
        $this->open_mode = $a_open_mode;
    }
    
    public function getWidth()
    {
        return $this->width;
    }
    public function setWidth($a_width)
    {
        $this->width = $a_width;
    }
 
    public function getHeight()
    {
        return $this->height;
    }
    public function setHeight($a_height)
    {
        $this->height = $a_height;
    }
 
 
    public function getMasteryScore()
    {
        return $this->mastery_score;
    }
 
    public function setMasteryScore($a_mastery_score)
    {
        $this->mastery_score = $a_mastery_score;
    }
    
    public function checkMasteryScoreValues()
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
        $s_result = "";
        $a_result = array();
        $type = $this->_lookupSubType($this->getID());
 
        if ($type == "scorm2004") {
            $set = $ilDB->query("SELECT minnormalmeasure FROM cp_objective, cp_node" .
                " WHERE satisfiedbymeasure=1 AND minnormalmeasure is not null AND cp_objective.cp_node_id=cp_node.cp_node_id AND" .
                " slm_id = " . $ilDB->quote($this->getID(), "integer"));
            while ($rec = $ilDB->fetchAssoc($set)) {
                $tmpval = $rec["minnormalmeasure"] * 100;
                if (!in_array($tmpval, $a_result)) {
                    $a_result[] = $tmpval;
                }
            }
        } else {
            $set = $ilDB->query("SELECT masteryscore FROM sc_item,scorm_object" .
                " WHERE sc_item.masteryscore is not null AND sc_item.obj_id=scorm_object.obj_id AND" .
                " slm_id = " . $ilDB->quote($this->getID(), "integer"));
            while ($rec = $ilDB->fetchAssoc($set)) {
                if (!in_array($rec["masteryscore"], $a_result)) {
                    $a_result[] = $rec["masteryscore"];
                }
            }
        }
        $s_result = implode(", ", $a_result);
        $this->mastery_score_values = $s_result;
    }
 
    public function getMasteryScoreValues()
    {
        return $this->mastery_score_values;
    }
    
    /*
    function updateMasteryScoreValues()
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
        $s_mastery_score = $this->getMasteryScore();
        if ($s_mastery_score != "" && is_numeric($s_mastery_score)) {
            $i_mastery_score = round(intval($s_mastery_score,10));
            $type = $this->_lookupSubType( $this->getID() );
 
            if ($type == "scorm2004") {
                if ($i_mastery_score > 100) $i_mastery_score = 100;
                $i_mastery_score = $i_mastery_score/100;
                $statement = $ilDB->manipulateF(
                    'UPDATE cp_objective,cp_node SET minnormalmeasure = %s
                    WHERE satisfiedbymeasure=1 AND minnormalmeasure is not null AND cp_objective.cp_node_id=cp_node.cp_node_id AND slm_id = %s',
                    array('text','integer'),
                    array($i_mastery_score,$this->getID())
                );
            } else {
                if ($i_mastery_score > 127) $i_mastery_score = 127;
                $statement = $ilDB->manipulateF(
                    'UPDATE sc_item,scorm_object SET sc_item.masteryscore = %s
                    WHERE sc_item.masteryscore is not null AND sc_item.obj_id=scorm_object.obj_id AND slm_id = %s',
                    array('integer','integer'),
                    array($i_mastery_score,$this->getID())
                );
            }
        }
    }
    */
    
    /*
        function updateMetaData()
        {
            $this->meta_data->update();
            if ($this->meta_data->section != "General")
            {
                $meta = $this->meta_data->getElement("Title", "General");
                $this->meta_data->setTitle($meta[0]["value"]);
                $meta = $this->meta_data->getElement("Description", "General");
                $this->meta_data->setDescription($meta[0]["value"]);
            }
            else
            {
                $this->setTitle($this->meta_data->getTitle());
                $this->setDescription($this->meta_data->getDescription());
            }
            parent::update();
 
        }
    */
 
    public function getIdSetting()
    {
        return $this->id_setting;
    }
 
    public function setIdSetting($a_id_setting)
    {
        $this->id_setting = $a_id_setting;
    }
 
    public function getNameSetting()
    {
        return $this->name_setting;
    }
 
    public function setNameSetting($a_name_setting)
    {
        $this->name_setting = $a_name_setting;
    }
 
    
 
 
    public function update()
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
 
        $this->updateMetaData();
        parent::update();
        
        $s_mastery_score = $this->getMasteryScore();
        if ($s_mastery_score == "") {
            $s_mastery_score = null;
        }
 
        $statement = $ilDB->manipulateF(
            '
                        UPDATE sahs_lm  
                        SET api_adapter = %s, 
                                api_func_prefix = %s,
                                auto_review = %s,
                                default_lesson_mode = %s,
                                c_type = %s,
                                stylesheet = %s, 
                                editable = %s, 
                                max_attempt = %s, 
                                module_version = %s, 
                                credit = %s, 
                                glossary = %s, 
                                question_tries = %s,
                                unlimited_session = %s,
                                no_menu = %s,
                                hide_navig = %s,
                                fourth_edition =%s,
                                sequencing = %s,
                                interactions = %s,
                                objectives = %s,
                                comments = %s,
                                time_from_lms = %s,
                                debug = %s,
                                localization = %s,
                                seq_exp_mode = %s,
                                debugpw = %s,
                                open_mode = %s,
                                width = %s,
                                height = %s,
                                auto_continue = %s,
                                auto_last_visited = %s,
                                check_values = %s,
                                offline_mode = %s,
                                auto_suspend = %s,
                                ie_force_render = %s,
                                mastery_score = %s,
                                id_setting = %s,
                                name_setting = %s
                        WHERE id = %s',
            array(      'text',
                'text',
                'text',
                'text',
                'text',
                'integer',
                'integer',
                'integer',
                'integer',
                'text',
                'integer',
                'integer',
                'text',
                'text',
                'text',
                'text',
                'text',
                'text',
                'text',
                'text',
                'text',
                'text',
                'text',
                'integer',
                'text',
                'integer',
                'integer',
                'integer',
                'text',
                'text',
                'text',
                'text',
                'text',
                'text',
                'integer',
                'integer',
                'integer',
                'integer'
                ),
            array(      $this->getAPIAdapterName(),
                $this->getAPIFunctionsPrefix(),
                $this->getAutoReviewChar(),
                $this->getDefaultLessonMode(),
                $this->getSubType(),
                $this->getStyleSheetId(),
                $this->getEditable(),
                $this->getMaxAttempt(),
                $this->getModuleVersion(),
                $this->getCreditMode(),
                $this->getAssignedGlossary(),
                $this->getTries(),
                ilUtil::tf2yn($this->getSession()),
                ilUtil::tf2yn($this->getNoMenu()),
                ilUtil::tf2yn($this->getHideNavig()),
                ilUtil::tf2yn($this->getFourth_edition()),
                ilUtil::tf2yn($this->getSequencing()),
                ilUtil::tf2yn($this->getInteractions()),
                ilUtil::tf2yn($this->getObjectives()),
                ilUtil::tf2yn($this->getComments()),
                ilUtil::tf2yn($this->getTime_from_lms()),
                ilUtil::tf2yn($this->getDebug()),
                $this->getLocalization(),
                $this->getSequencingExpertMode(),
                $this->getDebugPw(),
                $this->getOpenMode(),
                $this->getWidth(),
                $this->getHeight(),
                ilUtil::tf2yn($this->getAutoContinue()),
                ilUtil::tf2yn($this->getAuto_last_visited()),
                ilUtil::tf2yn($this->getCheck_values()),
                ilUtil::tf2yn($this->getOfflineMode()),
                ilUtil::tf2yn($this->getAutoSuspend()),
                ilUtil::tf2yn($this->getIe_force_render()),
                $s_mastery_score,
                $this->getIdSetting(),
                $this->getNameSetting(),
                $this->getId())
        );
 
        return true;
    }
    
    public static function getScormModulesForGlossary($a_glo_id)
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
    
        $set = $ilDB->query("SELECT DISTINCT id FROM sahs_lm WHERE " .
            " glossary = " . $ilDB->quote($a_glo_id, "integer"));
        $sms = array();
        while ($rec = $ilDB->fetchAssoc($set)) {
            if (ilObject::_hasUntrashedReference($rec["id"])) {
                $sms[] = $rec["id"];
            }
        }
        return $sms;
    }
 
    public static function lookupAssignedGlossary($a_slm_id)
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
    
        $set = $ilDB->query("SELECT DISTINCT glossary FROM sahs_lm WHERE " .
            " id = " . $ilDB->quote($a_slm_id, "integer"));
        $rec = $ilDB->fetchAssoc($set);
        $glo_id = $rec["glossary"];
        if (ilObject::_lookupType($glo_id) == "glo") {
            return $glo_id;
        }
        return 0;
    }
 
 
    public function setSubType($a_sub_type)
    {
        $this->sub_type = $a_sub_type;
    }
 
    public function getSubType()
    {
        return $this->sub_type;
    }
 
    public function delete()
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
        $ilLog = $DIC['ilLog'];
 
        // always call parent delete function first!!
        if (!parent::delete()) {
            return false;
        }
 
        // delete meta data of scorm content object
        $this->deleteMetaData();
 
        // delete data directory
        ilUtil::delDir($this->getDataDirectory());
 
        // delete scorm learning module record
        $ilDB->manipulateF(
            'DELETE FROM sahs_lm WHERE id = %s',
            array('integer'),
            array($this->getId())
        );
        
        $ilLog->write("SAHS Delete(SAHSLM), Subtype: " . $this->getSubType());
        
        if ($this->getSubType() == "scorm") {
            // remove all scorm objects and scorm tree
            include_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMTree.php");
            include_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMObject.php");
            $sc_tree = new ilSCORMTree($this->getId());
            $r_id = $sc_tree->readRootId();
            if ($r_id > 0) {
                $items = $sc_tree->getSubTree($sc_tree->getNodeData($r_id));
                foreach ($items as $item) {
                    $sc_object = ilSCORMObject::_getInstance($item["obj_id"], $this->getId());
                    if (is_object($sc_object)) {
                        $sc_object->delete();
                    }
                }
                $sc_tree->removeTree($sc_tree->getTreeId());
            }
        }
 
        if ($this->getSubType() != "scorm") {
            // delete aicc data
            $res = $ilDB->queryF(
                '
                                SELECT aicc_object.obj_id FROM aicc_object, aicc_units
                                WHERE aicc_object.obj_id = aicc_units.obj_id
                                AND aicc_object.slm_id = %s',
                array('integer'),
                array($this->getId())
            );
            
            while ($row = $ilDB->fetchAssoc($res)) {
                $obj_id = $row['obj_id'];
                $ilDB->manipulateF(
                    '
                                        DELETE FROM aicc_units WHERE obj_id = %s',
                    array('integer'),
                    array($obj_id)
                    );
            }
            
            $res = $ilDB->queryF(
                '
                                SELECT aicc_object.obj_id FROM aicc_object, aicc_course
                                WHERE aicc_object.obj_id = aicc_course.obj_id
                                AND aicc_object.slm_id = %s',
                array('integer'),
                array($this->getId())
            );
            
            while ($row = $ilDB->fetchAssoc($res)) {
                $obj_id = $row['obj_id'];
                $ilDB->manipulateF(
                    '
                                        DELETE FROM aicc_course WHERE obj_id = %s',
                    array('integer'),
                    array($obj_id)
                    );
            }
 
            $ilDB->manipulateF(
                '
                                DELETE FROM aicc_object WHERE slm_id = %s',
                array('integer'),
                array($this->getId())
            );
        }
 
        $q_log = "DELETE FROM scorm_tracking WHERE obj_id = " . $ilDB->quote($this->getId());
        $ilLog->write("SAHS Delete(SAHSLM): " . $q_log);
 
        $ilDB->manipulateF(
            'DELETE FROM scorm_tracking WHERE obj_id = %s',
            array('integer'),
            array($this->getId())
        );
 
        $q_log = "DELETE FROM sahs_user WHERE obj_id = " . $ilDB->quote($this->getId());
        $ilLog->write("SAHS Delete(SAHSLM): " . $q_log);
 
        $ilDB->manipulateF(
            'DELETE FROM sahs_user WHERE obj_id = %s',
            array('integer'),
            array($this->getId())
        );
 
        // always call parent delete function at the end!!
        return true;
    }
 
    public function getPointsInPercent()
    {
        global $DIC;
        $ilUser = $DIC['ilUser'];
        if (strcmp($this->getSubType(), "scorm2004") == 0) {
            $res = ilObjSCORM2004LearningModule::_getUniqueScaledScoreForUser($this->getId(), $ilUser->getId());
            if (!is_null($res)) {
                return $res * 100.0;
            } else {
                return $res;
            }
        } else {
            return null;
        }
    }
    
    public function getMaxPoints()
    {
        global $DIC;
        $ilUser = $DIC['ilUser'];
        
        if (strcmp($this->getSubType(), 'scorm2004') == 0) {
            $res = ilObjSCORM2004LearningModule::_getMaxScoreForUser($this->getId(), $ilUser->getId());
            return $res;
        } else {
            return null;
        }
    }
    
    public function populateByDirectoy($a_dir, $a_filename = "")
    {
        /*preg_match("/.*sahs_([0-9]*)\.zip/", $a_filename, $match);
        if (is_dir($a_dir."/sahs_".$match[1]))
        {
            $a_dir = $a_dir."/sahs_".$match[1];
        }*/
        ilUtil::rCopy($a_dir, $this->getDataDirectory());
        ilUtil::renameExecutables($this->getDataDirectory());
    }
 
    
    public function cloneObject($a_target_id, $a_copy_id = 0, $a_omit_tree = false)
    {
        global $DIC;
        $ilDB = $DIC['ilDB'];
        $ilUser = $DIC['ilUser'];
        $ilias = $DIC['ilias'];
        $lng = $DIC['lng'];
 
        $new_obj = parent::cloneObject($a_target_id, $a_copy_id, $a_omit_tree);
        $this->cloneMetaData($new_obj);
 
        $new_obj->setOfflineStatus($this->getOfflineStatus());
        //copy online status if object is not the root copy object
        $cp_options = ilCopyWizardOptions::_getInstance($a_copy_id);
        if ($cp_options->isRootNode($this->getRefId())) {
            $new_obj->setOfflineStatus(true);
        }
 
        // copy properties
        // $new_obj->setTitle($this->getTitle() . ' ' . $lng->txt('copy_of_suffix'));
        $new_obj->setDescription($this->getDescription());
        $new_obj->setSubType($this->getSubType());
        $new_obj->setAPIAdapterName($this->getAPIAdapterName());
        $new_obj->setAPIFunctionsPrefix($this->getAPIFunctionsPrefix());
        $new_obj->setAutoReviewChar($this->getAutoReviewChar());
        $new_obj->setDefaultLessonMode($this->getDefaultLessonMode());
        $new_obj->setEditable($this->getEditable());
        $new_obj->setMaxAttempt($this->getMaxAttempt());
        $new_obj->setModuleVersion($this->getModuleVersion());
        $new_obj->setModuleVersion(1);
        $new_obj->setCreditMode($this->getCreditMode());
        $new_obj->setAssignedGlossary($this->getAssignedGlossary());
        $new_obj->setTries($this->getTries());
        $new_obj->setSession($this->getSession());
        $new_obj->setNoMenu($this->getNoMenu());
        $new_obj->setHideNavig($this->getHideNavig());
        $new_obj->setFourth_edition($this->getFourth_edition());
        $new_obj->setSequencing($this->getSequencing());
        $new_obj->setInteractions($this->getInteractions());
        $new_obj->setObjectives($this->getObjectives());
        $new_obj->setComments($this->getComments());
        $new_obj->setTime_from_lms($this->getTime_from_lms());
        $new_obj->setDebug($this->getDebug());
        $new_obj->setLocalization($this->getLocalization());
        $new_obj->setSequencingExpertMode($this->getSequencingExpertMode());
        $new_obj->setDebugPw($this->getDebugPw());
        $new_obj->setOpenMode($this->getOpenMode());
        $new_obj->setWidth($this->getWidth());
        $new_obj->setHeight($this->getHeight());
        $new_obj->setAutoContinue($this->getAutoContinue());
        $new_obj->setAuto_last_visited($this->getAuto_last_visited());
        $new_obj->setCheck_values($this->getCheck_values());
        $new_obj->setOfflineMode($this->getOfflineMode());
        $new_obj->setAutoSuspend($this->getAutoSuspend());
        $new_obj->setIe_force_render($this->getIe_force_render());
        $new_obj->setStyleSheetId($this->getStyleSheetId());
        $new_obj->update();
 
 
        // set/copy stylesheet
        /*              include_once("./Services/Style/Content/classes/class.ilObjStyleSheet.php");
                $style_id = $this->getStyleSheetId();
                if ($style_id > 0 && !ilObjStyleSheet::_lookupStandard($style_id))
                {
                    $style_obj = $ilias->obj_factory->getInstanceByObjId($style_id);
                    $new_id = $style_obj->ilClone();
                    $new_obj->setStyleSheetId($new_id);
                    $new_obj->update();
                }*/
        
        // up to this point $new_obj is of type ilobjsahslearning module
        
        // create instance of correct subtype and call forward it to
        // cloneIntoNewObject method
        switch ($this->getSubType()) {
            case "scorm":
                include_once("./Modules/ScormAicc/classes/class.ilObjSCORMLearningModule.php");
                $source_obj = new ilObjSCORMLearningModule($this->getRefId());
                $new_obj = new ilObjSCORMLearningModule($new_obj->getRefId());
                break;
                
            case "scorm2004":
                include_once("./Modules/Scorm2004/classes/class.ilObjSCORM2004LearningModule.php");
                $source_obj = new ilObjSCORM2004LearningModule($this->getRefId());
                $new_obj = new ilObjSCORM2004LearningModule($new_obj->getRefId());
                break;
        }
 
        // copy data directory
        $new_obj->populateByDirectoy($source_obj->getDataDirectory());
 
        // copy authored content ...
        if ($new_obj->getEditable()) {
            $source_obj->copyAuthoredContent($new_obj);
        } else {
            // ... or read manifest file
            $new_obj->readObject();
        }
        
        // Copy learning progress settings (Mantis #0022964)
        include_once('Services/Tracking/classes/class.ilLPObjSettings.php');
        $obj_settings = new ilLPObjSettings($this->getId());
        $obj_settings->cloneSettings($new_obj->getId());
 
        include_once('Services/Object/classes/class.ilObjectLP.php');
        $olp = ilObjectLP::getInstance($this->getId());
        $collection = $olp->getCollectionInstance();
        if ($collection) {
            $collection->cloneCollection($new_obj->getRefId(), $cp_options->getCopyId());
        }
        return $new_obj;
    }
    
    public function zipLmForOfflineMode()
    {
        $lmDir = ilUtil::getWebspaceDir("filesystem") . "/lm_data/lm_" . $this->getId();
        $zipFile = ilUtil::getDataDir() . "/lm_data/lm_" . $this->getId();
        return ilUtil::zip($lmDir, $zipFile, true);
    }
 
    public function getApiStudentId()
    {
        global $DIC;
        $ilias = $DIC['ilias'];
        $idSetting = $this->getIdSetting();
        $studentId = $ilias->account->getId();
        if ($idSetting % 2 == 1) {
            $studentId = $ilias->account->getLogin();
        }
        if ($idSetting > 3) {
            $studentId .= '_o_' . $this->getId();
        } elseif ($idSetting > 1) {
            $studentId .= '_r_' . $_GET["ref_id"];
        }
        return $studentId;
    }
 
    public function getApiStudentName()
    {
        global $DIC;
        $ilias = $DIC['ilias'];
        $lng = $DIC['lng'];
        $studentName = " ";
        switch ($this->getNameSetting()) {
            case 0:
                $studentName = $ilias->account->getLastname() . ', ' . $ilias->account->getFirstname();
                break;
            case 1:
                $studentName = $ilias->account->getFirstname() . ' ' . $ilias->account->getLastname();
                break;
            case 2:
                $studentName = $ilias->account->getFullname();
                break;
            case 3:
                switch ($ilias->account->getGender()) {
                    case 'f':
                        $studentName = $lng->txt('salutation_f') . ' ';
                        break;
 
                    case 'm':
                        $studentName = $lng->txt('salutation_m') . ' ';
                        break;
 
                    case 'n':
                        $studentName = '';//$lng->txt('salutation_n');
                        break;
 
                    default:
                        $studentName = $lng->txt('salutation') . ' ';
                }
                $studentName .= $ilias->account->getLastname();
                break;
            case 4:
                $studentName = $ilias->account->getFirstname();
                break;
        }
        return $studentName;
    }
 
    public function getViewButton()
    {
        $setUrl = "ilias.php?baseClass=ilSAHSPresentationGUI&amp;ref_id=" . $this->getRefID();
        // $setUrl = $this->getLinkTargetByClass("ilsahspresentationgui", "")."&amp;ref_id=".$this->getRefID();
        $setTarget = "ilContObj" . $this->getId();
        $om = $this->getOpenMode();
        $width = $this->getWidth();
        $height = $this->getHeight();
        if (($om == 5 || $om == 1) && $width > 0 && $height > 0) {
            $om++;
        }
        if ($om != 0) {
            $setUrl = "javascript:void(0); onclick=startSAHS('" . $setUrl . "','ilContObj" . $this->getId() . "'," . $om . "," . $width . "," . $height . ");";
            $setTarget = "";
        }
        include_once "Services/UIComponent/Button/classes/class.ilLinkButton.php";
        $button = ilLinkButton::getInstance();
        $button->setCaption("view");
        $button->setPrimary(true);
        $button->setUrl($setUrl);
        $button->setTarget($setTarget);
        return $button;
    }
}