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;
        }
}