class.ilAICCPresentationGUI.php

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<?php
/*
        +-----------------------------------------------------------------------------+
        | ILIAS open source                                                           |
        +-----------------------------------------------------------------------------+
        | Copyright (c) 1998-2001 ILIAS open source, University of Cologne            |
        |                                                                             |
        | This program is free software; you can redistribute it and/or               |
        | modify it under the terms of the GNU General Public License                 |
        | as published by the Free Software Foundation; either version 2              |
        | of the License, or (at your option) any later version.                      |
        |                                                                             |
        | This program is distributed in the hope that it will be useful,             |
        | but WITHOUT ANY WARRANTY; without even the implied warranty of              |
        | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               |
        | GNU General Public License for more details.                                |
        |                                                                             |
        | You should have received a copy of the GNU General Public License           |
        | along with this program; if not, write to the Free Software                 |
        | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. |
        +-----------------------------------------------------------------------------+
*/

require_once("./Modules/ScormAicc/classes/class.ilObjAICCLearningModule.php");
require_once("./Modules/ScormAicc/classes/AICC/class.ilAICCObjectGUI.php");
require_once("./Modules/ScormAicc/classes/SCORM/class.ilSCORMPresentationGUI.php");


class ilAICCPresentationGUI extends ilSCORMPresentationGUI
{
        var $ilias;
        var $slm;
        var $tpl;
        var $lng;

        function ilAICCPresentationGUI()
        {
                global $ilias, $tpl, $lng, $ilCtrl;

                $this->ilias =& $ilias;
                $this->tpl =& $tpl;
                $this->lng =& $lng;
                $this->ctrl =& $ilCtrl;

                $cmd = (!empty($_GET["cmd"])) ? $_GET["cmd"] : "frameset";

                // Todo: check lm id
                $this->slm =& new ilObjAICCLearningModule($_GET["ref_id"], true);
        }
        
        function &executeCommand()
        {
                global $ilAccess, $ilLog;

                $next_class = $this->ctrl->getNextClass($this);
                $cmd = $this->ctrl->getCmd("frameset");

                if (!$ilAccess->checkAccess("read", "", $_GET["ref_id"]))
                {
                        $ilias->raiseError($lng->txt("permission_denied"), $ilias->error_obj->WARNING);
                }

                switch($next_class)
                {
                        default:
                                $this->$cmd();
                }
        }
        
        function view()
        {
                $sc_gui_object =& ilAICCObjectGUI::getInstance($_GET["obj_id"]);

                if(is_object($sc_gui_object))
                {
                        $sc_gui_object->view();
                }

                $this->tpl->setVariable("LOCATION_STYLESHEET", ilUtil::getStyleSheetLocation());
                $this->tpl->show();
        }
        
        function explorer($a_target = "sahs_content")
        {
                $this->tpl = new ilTemplate("tpl.sahs_exp_main.html", true, true, "Modules/ScormAicc");

                require_once("./Modules/ScormAicc/classes/AICC/class.ilAICCExplorer.php");
                $exp = new ilAICCExplorer(
                        $this->ctrl->getLinkTarget($this, "view"), $this->slm);
                $exp->setTargetGet("obj_id");
                $exp->setFrameTarget($a_target);
                //$exp->setFiltered(true);

                if ($_GET["scexpand"] == "")
                {
                        $mtree = new ilSCORMTree($this->slm->getId());
                        $expanded = $mtree->readRootId();
                }
                else
                {
                        $expanded = $_GET["scexpand"];
                }
                $exp->setExpand($expanded);

                $exp->forceExpandAll(true, false);
                
                // build html-output
                //666$exp->setOutput(0);
                $exp->setOutput(0);

                $output = $exp->getOutput();

                $this->tpl->setVariable("LOCATION_STYLESHEET", ilUtil::getStyleSheetLocation());
                $this->tpl->addBlockFile("CONTENT", "content", "tpl.explorer.html");
                $this->tpl->setVariable("TXT_EXPLORER_HEADER", $this->lng->txt("cont_content"));
                $this->tpl->setVariable("EXP_REFRESH", $this->lng->txt("refresh"));
                $this->tpl->setVariable("EXPLORER",$output);
                $this->tpl->setVariable("ACTION", $this->ctrl->getLinkTarget($this, $_GET["cmd"])."&frame=".$_GET["frame"].
                        "&ref_id=".$this->slm->getRefId()."&scexpand=".$_GET["scexpand"]);
                $this->tpl->parseCurrentBlock();
                $this->tpl->show();
        }

        function launchSahs()
        {
                global $ilUser, $ilDB;

                $sahs_id = ($_GET["sahs_id"] == "")
                        ? $_POST["sahs_id"]
                        : $_GET["sahs_id"];
                $ref_id = ($_GET["ref_id"] == "")
                        ? $_POST["ref_id"]
                        : $_GET["ref_id"];

                $this->slm =& new ilObjAICCLearningModule($ref_id, true);

                include_once("./Modules/ScormAicc/classes/AICC/class.ilAICCUnit.php");
                $unit =& new ilAICCUnit($sahs_id);
                
                //guess the url
                $url=$unit->getCommand_line();
                if (strlen($url)==0)
                        $url=$unit->getFilename();
                if (strcasecmp(substr($unit->getFilename(),0,4),"http")!=0)
                        $url=$this->slm->getDataDirectory("output")."/".$url;
                if (strlen($unit->getWebLaunch())>0)
                        $url.="?".$unit->getWebLaunch();
/*              
                if (strcasecmp(substr($unit->getFilename(),0,4),"http")==0)
                        $href=$unit->getFilename();
                else
                        $href=$this->slm->getDataDirectory("output")."/".$unit->getFilename();
*/              
                $this->tpl = new ilTemplate("tpl.sahs_launch_cbt.html", true, true, "Modules/ScormAicc");
                $this->tpl->setVariable("HREF", $url);
//              $this->tpl->setVariable("LAUNCH_DATA", $unit->getDataFromLms());
                $this->tpl->setVariable("MAST_SCORE", $unit->getMasteryScore());
                $this->tpl->setVariable("MAX_TIME", $unit->getMaxTimeAllowed());
                $this->tpl->setVariable("LIMIT_ACT", $unit->getTimeLimitAction());
                if($ilUser->getFirstName() == "Joe")    // for test purpose
                {
                        $this->tpl->setCurrentBlock("credit");
                        $this->tpl->setVariable("CREDIT_MODE", "normal");
                        $this->tpl->parseCurrentBlock();
                }

                $val_set = $ilDB->queryF('
                SELECT * FROM scorm_tracking 
                WHERE user_id = %s
                AND sco_id = %s
                AND obj_id = %s',
                array('integer','integer','integer'), 
                array($ilUser->getId(),$sahs_id,$this->slm->getId()));
                
                $re_value = array();
                
                while($val_rec = $ilDB->fetchAssoc($val_set))
                {
                        $val_rec["rvalue"] = str_replace("\r\n", "\n", $val_rec["rvalue"]);
                        $val_rec["rvalue"] = str_replace("\r", "\n", $val_rec["rvalue"]);
                        $val_rec["rvalue"] = str_replace("\n", "%n%", $val_rec["rvalue"]);
                        $re_value[$val_rec["lvalue"]] = $val_rec["rvalue"];
                }

                foreach($re_value as $var => $value)
                {
                        switch ($var)
                        {
                                case "cmi.core.lesson_location":
                                case "cmi.core.lesson_status":
                                case "cmi.core.entry":
                                case "cmi.core.score.raw":
                                case "cmi.core.score.max":
                                case "cmi.core.score.min":
                                case "cmi.core.total_time":
                                case "cmi.core.exit":
                                case "cmi.suspend_data":
                                case "cmi.comments":
                                case "cmi.student_preference.audio":
                                case "cmi.student_preference.language":
                                case "cmi.student_preference.speed":
                                case "cmi.student_preference.text":
                                        $this->setSingleVariable($var, $value);
                                        break;

                                case "cmi.objectives._count":
                                        $this->setSingleVariable($var, $value);
                                        $this->setArray("cmi.objectives", $value, "id", $re_value);
                                        $this->setArray("cmi.objectives", $value, "score.raw", $re_value);
                                        $this->setArray("cmi.objectives", $value, "score.max", $re_value);
                                        $this->setArray("cmi.objectives", $value, "score.min", $re_value);
                                        $this->setArray("cmi.objectives", $value, "status", $re_value);
                                        break;

                                case "cmi.interactions._count":
                                        $this->setSingleVariable($var, $value);
                                        $this->setArray("cmi.interactions", $value, "id", $re_value);
                                        for($i=0; $i<$value; $i++)
                                        {
                                                $var2 = "cmi.interactions.".$i.".objectives._count";
                                                if (isset($v_array[$var2]))
                                                {
                                                        $cnt = $v_array[$var2];
                                                        $this->setArray("cmi.interactions.".$i.".objectives",
                                                                $cnt, "id", $re_value);
                                                        /*
                                                        $this->setArray("cmi.interactions.".$i.".objectives",
                                                                $cnt, "score.raw", $re_value);
                                                        $this->setArray("cmi.interactions.".$i.".objectives",
                                                                $cnt, "score.max", $re_value);
                                                        $this->setArray("cmi.interactions.".$i.".objectives",
                                                                $cnt, "score.min", $re_value);
                                                        $this->setArray("cmi.interactions.".$i.".objectives",
                                                                $cnt, "status", $re_value);*/
                                                }
                                        }
                                        $this->setArray("cmi.interactions", $value, "time", $re_value);
                                        $this->setArray("cmi.interactions", $value, "type", $re_value);
                                        for($i=0; $i<$value; $i++)
                                        {
                                                $var2 = "cmi.interactions.".$i.".correct_responses._count";
                                                if (isset($v_array[$var2]))
                                                {
                                                        $cnt = $v_array[$var2];
                                                        $this->setArray("cmi.interactions.".$i.".correct_responses",
                                                                $cnt, "pattern", $re_value);
                                                        $this->setArray("cmi.interactions.".$i.".correct_responses",
                                                                $cnt, "weighting", $re_value);
                                                }
                                        }
                                        $this->setArray("cmi.interactions", $value, "student_response", $re_value);
                                        $this->setArray("cmi.interactions", $value, "result", $re_value);
                                        $this->setArray("cmi.interactions", $value, "latency", $re_value);
                                        break;
                        }
                }

                global $lng;
                $this->tpl->setCurrentBlock("switch_icon");
                $this->tpl->setVariable("SCO_ID", $_GET["sahs_id"]);
                $this->tpl->setVariable("SCO_ICO", ilUtil::getImagePath("scorm/running.svg"));
                $this->tpl->setVariable("SCO_ALT",
                         $lng->txt("cont_status").": "
                        .$lng->txt("cont_sc_stat_running")
                );
                $this->tpl->parseCurrentBlock();

                // lesson mode
                $lesson_mode = $this->slm->getDefaultLessonMode();
                if ($this->slm->getAutoReview())
                {
                        if ($re_value["cmi.core.lesson_status"] == "completed" ||
                                $re_value["cmi.core.lesson_status"] == "passed" ||
                                $re_value["cmi.core.lesson_status"] == "failed")
                        {
                                $lesson_mode = "review";
                        }
                }
                $this->tpl->setVariable("LESSON_MODE", $lesson_mode);

                // credit mode
                if ($lesson_mode == "normal")
                {
                        $this->tpl->setVariable("CREDIT_MODE",
                                str_replace("_", " ", $this->slm->getCreditMode()));
                }
                else
                {
                        $this->tpl->setVariable("CREDIT_MODE", "no-credit");
                }

                // init cmi.core.total_time, cmi.core.lesson_status and cmi.core.entry
                $sahs_obj_id = ilObject::_lookupObjId($_GET["ref_id"]);
                
                if (!isset($re_value["cmi.core.total_time"]))
                {
                        $unit->insertTrackData("cmi.core.total_time", "0000:00:00", $sahs_obj_id);
                }
                if (!isset($re_value["cmi.core.lesson_status"]))
                {
                        $unit->insertTrackData("cmi.core.lesson_status", "not attempted", $sahs_obj_id);
                }
                if (!isset($re_value["cmi.core.entry"]))
                {
                        $unit->insertTrackData("cmi.core.entry", "", $sahs_obj_id);
                }

                $this->tpl->show();
        }

}
?>