class.ilTestQuestionSetConfigFactory.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */
 
class ilTestQuestionSetConfigFactory
{
    private $testQuestionSetConfig = null;
    
    private $tree = null;
    
    private $db = null;
 
    private $pluginAdmin = null;
 
    private $testOBJ = null;
    
    public function __construct(ilTree $tree, ilDBInterface $db, ilPluginAdmin $pluginAdmin, ilObjTest $testOBJ)
    {
        $this->tree = $tree;
        $this->db = $db;
        $this->pluginAdmin = $pluginAdmin;
        $this->testOBJ = $testOBJ;
    }
    
    public function getQuestionSetConfig()
    {
        return $this->getQuestionSetConfigByType($this->testOBJ->getQuestionSetType());
    }
    
    public function getQuestionSetConfigByType($questionSetType)
    {
        if ($this->testQuestionSetConfig === null) {
            switch ($questionSetType) {
                case ilObjTest::QUESTION_SET_TYPE_FIXED:
 
                    require_once 'Modules/Test/classes/class.ilTestFixedQuestionSetConfig.php';
                    $this->testQuestionSetConfig = new ilTestFixedQuestionSetConfig(
                        $this->tree,
                        $this->db,
                        $this->pluginAdmin,
                        $this->testOBJ
                    );
                    break;
 
                case ilObjTest::QUESTION_SET_TYPE_RANDOM:
 
                    require_once 'Modules/Test/classes/class.ilTestRandomQuestionSetConfig.php';
                    $this->testQuestionSetConfig = new ilTestRandomQuestionSetConfig(
                        $this->tree,
                        $this->db,
                        $this->pluginAdmin,
                        $this->testOBJ
                    );
                    break;
 
                case ilObjTest::QUESTION_SET_TYPE_DYNAMIC:
 
                    require_once 'Modules/Test/classes/class.ilObjTestDynamicQuestionSetConfig.php';
                    $this->testQuestionSetConfig = new ilObjTestDynamicQuestionSetConfig(
                        $this->tree,
                        $this->db,
                        $this->pluginAdmin,
                        $this->testOBJ
                    );
                    break;
            }
 
            $this->testQuestionSetConfig->loadFromDb();
        }
 
        return $this->testQuestionSetConfig;
    }
}