class.exObjQuestionPoolGUI.php

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<?php
 
class exObjQuestionPoolGUI
{
    public function executeCommand()
    {
        global $DIC; /* @var ILIAS\DI\Container $DIC */
        
        switch ($DIC->ctrl()->getNextClass($this)) {
            case $DIC->question()->service()->fetchNextAuthoringCommandClass($DIC->ctrl()->getNextClass()):
                
                $questionId = 0; // Fetch questionId from Request Parameters
                $backLink = ''; // Initialise with Back Link to Consumers Back-Landing Page
                
                $questionInstance = $DIC->question()->getQuestionInstance($questionId);
                $questionAuthoringGUI = $DIC->question()->getAuthoringCommandInstance($questionInstance);
                
                $questionAuthoringGUI->setBackLink($backLink);
                
                $DIC->ctrl()->forwardCommand($questionAuthoringGUI);
        }
    }
    
    public function showQuestions()
    {
        global $DIC; /* @var ILIAS\DI\Container $DIC */
        
        $parentObjectId = 0; // init with question pool object id
        
        $questionDataArray = $DIC->question()->getQuestionDataArray($parentObjectId);
        
        $tableGUI = new exQuestionsTableGUI($this, 'showQuestions', '');
        $tableGUI->setData($questionDataArray);
        
        $tableHTML = $tableGUI->getHTML(); // render table
    }
    
    public function importQuestions()
    {
        global $DIC; /* @var ILIAS\DI\Container $DIC */
        
        $parentObjectId = 0; // init with question pool object id
        
        $qtiItems = array(); /* @var ilQTIItem[] $qtiItems */
        
        foreach ($qtiItems as $qtiItem) {
            $questionType = $DIC->question()->service()->determineQuestionTypeByQtiItem($qtiItem);
            $questionInstance = $DIC->question()->getEmptyQuestionInstance($questionType);
            
            $questionInstance->fromQtiItem($qtiItem);
            $questionInstance->setParentId($parentObjectId);
            $questionInstance->save();
        }
    }
    
    public function exportQuestions()
    {
        global $DIC; /* @var ILIAS\DI\Container $DIC */
        
        $parentObjectId = 0; // init with question pool object id
        
        $questions = $DIC->question()->getQuestionInstances($parentObjectId);
        
        $qtiXML = '';
        
        foreach ($questions as $questionInstance) {
            $qtiXML .= $questionInstance->toQtiXML();
        }
    }
    
    public function deleteQuestion()
    {
        global $DIC; /* @var ILIAS\DI\Container $DIC */
        
        $questionId = 0; // init from GET parameters
        
        $questionInstance = $DIC->question()->getQuestionInstance($questionId);
        $questionInstance->delete();
    }
}