class.ilObjHelpSettings.php

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<?php

/* Copyright (c) 1998-2012 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once "./Services/Object/classes/class.ilObject2.php";

class ilObjHelpSettings extends ilObject2
{
        
        function ilObjHelpSettings($a_id = 0,$a_call_by_reference = true)
        {
                parent::__construct($a_id,$a_call_by_reference);
        }

        function initType()
        {
                $this->type = "hlps";
        }

        static function createHelpModule()
        {
                global $ilDB;
                
                $id = $ilDB->nextId("help_module");
                
                $ilDB->manipulate("INSERT INTO help_module ".
                        "(id) VALUES (".
                        $ilDB->quote($id, "integer").
                        ")");
                
                return $id;
        }
        
        static function writeHelpModuleLmId($a_id, $a_lm_id)
        {
                global $ilDB;
                
                $ilDB->manipulate("UPDATE help_module SET ".
                        " lm_id = ".$ilDB->quote($a_lm_id, "integer").
                        " WHERE id = ".$ilDB->quote($a_id, "integer")
                        );
        }
        
        
        function uploadHelpModule($a_file)
        {
                $id = $this->createHelpModule();
                
                // create and insert object in objecttree
                /*include_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
                $newObj = new ilObjContentObject();
                $newObj->setType("lm");
                $newObj->setTitle("Help Module");
                $newObj->create(true);
                $newObj->createLMTree();*/

                try
                {
                        include_once("./Services/Export/classes/class.ilImport.php");
                        $imp = new ilImport();
                        $conf = $imp->getConfig("Services/Help");
                        $conf->setModuleId($id);
                        $new_id = $imp->importObject("", $a_file["tmp_name"], $a_file["name"], "lm", "Modules/LearningModule");
                        $newObj = new ilObjLearningModule($new_id, false);

                        self::writeHelpModuleLmId($id, $newObj->getId());
                }
                catch (ilManifestFileNotFoundImportException $e)
                {
                        // old import
                        $t = $imp->getTemporaryImportDir();

                        // create and insert object in objecttree
                        include_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
                        $newObj = new ilObjContentObject();
                        $newObj->setType("lm");
                        $newObj->setTitle("Help Module");
                        $newObj->create(true);
                        $newObj->createLMTree();

                        $mess =  $newObj->importFromDirectory($t, false);

                        // this should only be true for help modules
                        // search the zip file
                        $dir = $t;
                        $files = ilUtil::getDir($dir);
                        foreach ($files as $file)
                        {
                                if (is_int(strpos($file["entry"], "__help_")) &&
                                        is_int(strpos($file["entry"], ".zip")))
                                {
                                        include_once("./Services/Export/classes/class.ilImport.php");
                                        $imp = new ilImport();
                                        $imp->getMapping()->addMapping('Services/Help', 'help_module', 0, $id);
                                        include_once("./Modules/LearningModule/classes/class.ilLMObject.php");
                                        $chaps = ilLMObject::getObjectList($newObj->getId(), "st");
                                        foreach ($chaps as $chap)
                                        {
                                                $chap_arr = explode("_", $chap["import_id"]);
                                                $imp->getMapping()->addMapping('Services/Help', 'help_chap',
                                                        $chap_arr[count($chap_arr) - 1], $chap["obj_id"]);
                                        }
                                        $imp->importEntity($dir."/".$file["entry"], $file["entry"],
                                                "help", "Services/Help", true);
                                }
                        }

                        // delete import directory
                        ilUtil::delDir($t);

                        self::writeHelpModuleLmId($id, $newObj->getId());
                }


                $GLOBALS['ilAppEventHandler']->raise(
                        'Services/Help',
                        'create',
                        array(
                                'obj_id' => $id,
                                'obj_type' => 'lm'
                        )
                );
        }
        
        function getHelpModules()
        {
                global $ilDB;
                
                $set = $ilDB->query("SELECT * FROM help_module");
                
                $mods = array();
                while ($rec  = $ilDB->fetchAssoc($set))
                {
                        if (ilObject::_lookupType($rec["lm_id"]) == "lm")
                        {
                                $rec["title"] = ilObject::_lookupTitle($rec["lm_id"]);
                                $rec["create_date"] = ilObject::_lookupCreationDate($rec["lm_id"]);
                        }
                        
                        $mods[] = $rec;
                }
                
                return $mods;
        }
        
        function lookupModuleTitle($a_id)
        {
                global $ilDB;
                
                $set = $ilDB->query("SELECT * FROM help_module ".
                        " WHERE id = ".$ilDB->quote($a_id, "integer")
                        );
                $rec  = $ilDB->fetchAssoc($set);
                if (ilObject::_lookupType($rec["lm_id"]) == "lm")
                {
                        return ilObject::_lookupTitle($rec["lm_id"]);
                }
                return "";
        }
        
        function lookupModuleLmId($a_id)
        {
                global $ilDB;
                
                $set = $ilDB->query("SELECT lm_id FROM help_module ".
                        " WHERE id = ".$ilDB->quote($a_id, "integer")
                        );
                $rec  = $ilDB->fetchAssoc($set);
                return $rec["lm_id"];
        }
        
        function deleteModule($a_id)
        {
                global $ilDB, $ilSetting;
                
                // if this is the currently activated one, deactivate it first
                if ($a_id == (int) $ilSetting->get("help_module"))
                {
                        $ilSetting->set("help_module", "");
                }
                
                $set = $ilDB->query("SELECT * FROM help_module ".
                        " WHERE id = ".$ilDB->quote($a_id, "integer")
                        );
                $rec  = $ilDB->fetchAssoc($set);

                // delete learning module
                if (ilObject::_lookupType($rec["lm_id"]) == "lm")
                {
                        include_once("./Modules/LearningModule/classes/class.ilObjLearningModule.php");
                        $lm = new ilObjLearningModule($rec["lm_id"], false);
                        $lm->delete();
                }
                
                // delete mappings
                include_once("./Services/Help/classes/class.ilHelpMapping.php");
                ilHelpMapping::deleteEntriesOfModule($a_id);
                
                // delete tooltips
                include_once("./Services/Help/classes/class.ilHelp.php");
                ilHelp::deleteTooltipsOfModule($a_id);
                
                // delete help module record
                $ilDB->manipulate("DELETE FROM help_module WHERE ".
                        " id = ".$ilDB->quote($a_id, "integer"));
                
        }

        static function isHelpLM($a_lm_id)
        {
                global $ilDB;

                $set = $ilDB->query("SELECT id FROM help_module ".
                        " WHERE lm_id = ".$ilDB->quote($a_lm_id, "integer")
                );
                if ($rec = $ilDB->fetchAssoc($set))
                {
                        return true;
                }
                return false;
        }

}
?>