class.ilLPCollectionOfSCOs.php

Go to the documentation of this file.

<?php

/* Copyright (c) 1998-2010 ILIAS open source, Extended GPL, see docs/LICENSE */

require_once "Services/Tracking/classes/collection/class.ilLPCollection.php";

class ilLPCollectionOfSCOs extends ilLPCollection
{
    protected static $possible_items = array();
    
    // see ilSCORMCertificateAdapter
    public function getPossibleItems()
    {
        if (!isset(self::$possible_items[$this->obj_id])) {
            include_once './Modules/ScormAicc/classes/class.ilObjSAHSLearningModule.php';

            $items = array();

            switch (ilObjSAHSLearningModule::_lookupSubType($this->obj_id)) {
                case 'hacp':
                case 'aicc':
                    include_once './Modules/ScormAicc/classes/class.ilObjAICCLearningModule.php';
                    foreach (ilObjAICCLearningModule::_getTrackingItems($this->obj_id) as $item) {
                        $items[$item['obj_id']]['title'] = $item['title'];
                    }
                    break;

                case 'scorm':
                    include_once './Modules/ScormAicc/classes/class.ilObjSCORMLearningModule.php';
                    include_once './Modules/ScormAicc/classes/SCORM/class.ilSCORMItem.php';
                    foreach (ilObjSCORMLearningModule::_getTrackingItems($this->obj_id) as $item) {
                        $items[$item->getId()]['title'] = $item->getTitle();
                    }
                    break;

                case 'scorm2004':
                    include_once './Modules/Scorm2004/classes/class.ilObjSCORM2004LearningModule.php';
                    foreach (ilObjSCORM2004LearningModule::_getTrackingItems($this->obj_id) as $item) {
                        $items[$item['id']]['title'] = $item['title'];
                    }
                    break;
            }

            self::$possible_items[$this->obj_id] = $items;
        }
        
        return self::$possible_items[$this->obj_id];
    }

    
    //
    // TABLE GUI
    //
    
    public function getTableGUIData($a_parent_ref_id)
    {
        $data = array();
        
        foreach ($this->getPossibleItems() as $sco_id => $item) {
            $tmp = array();
            $tmp['id'] = $sco_id;
            $tmp['ref_id'] = 0;
            $tmp['type'] = 'sco';
            $tmp['title'] = $item['title'];
            $tmp["status"] = $this->isAssignedEntry($sco_id);

            $data[] = $tmp;
        }
    
        return $data;
    }
    
                
    //
    // HELPER
    //
        
    // see ilSCORMCertificateAdapter
    public function getScoresForUserAndCP_Node_Id($item_id, $user_id)
    {
        include_once './Modules/ScormAicc/classes/class.ilObjSAHSLearningModule.php';
        switch (ilObjSAHSLearningModule::_lookupSubType($this->obj_id)) {
            case 'hacp':
            case 'aicc':
                include_once './Modules/ScormAicc/classes/class.ilObjAICCLearningModule.php';
                return ilObjAICCLearningModule::_getScoresForUser($item_id, $user_id);

            case 'scorm':
                include_once './Modules/ScormAicc/classes/class.ilObjSCORMLearningModule.php';
                //include_once './Modules/ScormAicc/classes/SCORM/class.ilSCORMItem.php';
                return ilObjSCORMLearningModule::_getScoresForUser($item_id, $user_id);

            case 'scorm2004':
                include_once './Modules/Scorm2004/classes/class.ilObjSCORM2004LearningModule.php';
                return ilObjSCORM2004LearningModule::_getScores2004ForUser($item_id, $user_id);
        }
        
        return array("raw" => null, "max" => null, "scaled" => null);
    }

    public function cloneCollection($a_target_id, $a_copy_id)
    {
        global $DIC;

        $target_obj_id = ilObject::_lookupObjId($a_target_id);
        $new_collection = new static($target_obj_id, $this->mode);
        $possible_items = $new_collection->getPossibleItems();
        foreach ($this->items as $item_id) {
            foreach ($possible_items as $pos_item_id => $pos_item) {
                if ($this->itemsAreEqual($item_id, $pos_item_id)) {
                    $new_collection->addEntry($pos_item_id);
                }
            }
        }

        $DIC->logger()->root()->write(__METHOD__ . ': cloned learning progress collection.');
    }


    protected function itemsAreEqual($item_a_id, $item_b_id)
    {
        global $DIC;
        switch (ilObjSAHSLearningModule::_lookupSubType($this->obj_id)) {
            case 'scorm':
                $res_a = $DIC->database()->query('SELECT import_id, identifierref FROM sc_item WHERE obj_id = ' . $DIC->database()->quote($item_a_id, 'integer'))->fetchAssoc();
                $res_b = $DIC->database()->query('SELECT import_id, identifierref FROM sc_item WHERE obj_id = ' . $DIC->database()->quote($item_b_id, 'integer'))->fetchAssoc();
                return (
                    $res_a
                    && $res_b
                    && ($res_a['import_id'] == $res_b['import_id'])
                    && ($res_a['identifierref'] == $res_b['identifierref'])
                );
            case 'scorm2004':
                $res_a = $DIC->database()->query('SELECT id, resourceid FROM cp_item WHERE cp_node_id = ' . $DIC->database()->quote($item_a_id, 'integer'))->fetchAssoc();
                $res_b = $DIC->database()->query('SELECT id, resourceid FROM cp_item WHERE cp_node_id = ' . $DIC->database()->quote($item_b_id, 'integer'))->fetchAssoc();
                return (
                    $res_a
                    && $res_b
                    && ($res_a['import_id'] == $res_b['import_id'])
                    && ($res_a['identifierref'] == $res_b['identifierref'])
                );
            default:
                return false;
        }
    }
}