class.ilAssQuestionSkillAssignmentExporter.php

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<?php
/* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilAssQuestionSkillAssignmentExporter
{
        protected $xmlWriter;

        protected $questionIds;
        
        protected $assignmentList;
        
        public function __construct()
        {
                $this->xmlWriter = null;
                $this->questionIds = array();
                $this->assignmentList = null;
        }

        public function getXmlWriter()
        {
                return $this->xmlWriter;
        }

        public function setXmlWriter(ilXmlWriter $xmlWriter)
        {
                $this->xmlWriter = $xmlWriter;
        }

        public function getQuestionIds()
        {
                return $this->questionIds;
        }

        public function setQuestionIds($questionIds)
        {
                $this->questionIds = $questionIds;
        }
        
        public function getAssignmentList()
        {
                return $this->assignmentList;
        }
        
        public function setAssignmentList($assignmentList)
        {
                $this->assignmentList = $assignmentList;
        }

        public function export()
        {
                global $ilDB;

                $this->getXmlWriter()->xmlStartTag('QuestionSkillAssignments');
                
                foreach($this->getQuestionIds() as $questionId)
                {
                        $this->getXmlWriter()->xmlStartTag('TriggerQuestion', array('Id' => $questionId));

                        foreach($this->getAssignmentList()->getAssignmentsByQuestionId($questionId) as $questionSkillAssignment)
                        {
                                /* @var ilAssQuestionSkillAssignment $questionSkillAssignment */

                                $this->getXmlWriter()->xmlStartTag('TriggeredSkill', array(
                                        'BaseId' => $questionSkillAssignment->getSkillBaseId(),
                                        'TrefId' => $questionSkillAssignment->getSkillTrefId()
                                ));
                                
                                $this->getXmlWriter()->xmlElement(
                                        'OriginalSkillTitle', null, $questionSkillAssignment->getSkillTitle()
                                );
                                
                                $this->getXmlWriter()->xmlElement(
                                        'OriginalSkillPath', null, $questionSkillAssignment->getSkillPath()
                                );

                                switch( $questionSkillAssignment->getEvalMode() )
                                {
                                        case ilAssQuestionSkillAssignment::EVAL_MODE_BY_QUESTION_RESULT:

                                                $this->getXmlWriter()->xmlElement('EvalByQuestionResult', array(
                                                        'Points' => $questionSkillAssignment->getSkillPoints()
                                                ));
                                                break;

                                        case ilAssQuestionSkillAssignment::EVAL_MODE_BY_QUESTION_SOLUTION:

                                                $this->getXmlWriter()->xmlStartTag('EvalByQuestionSolution');

                                                $questionSkillAssignment->initSolutionComparisonExpressionList();
                                                $expressionList = $questionSkillAssignment->getSolutionComparisonExpressionList();

                                                foreach($expressionList->get() as $expression)
                                                {
                                                        /* @var ilAssQuestionSolutionComparisonExpression $expression */

                                                        $this->getXmlWriter()->xmlStartTag('SolutionComparisonExpression', array(
                                                                'Points' => $expression->getPoints(),
                                                                'Index' => $expression->getOrderIndex()
                                                        ));

                                                        $this->getXmlWriter()->xmlData($expression->getExpression(), false, true);

                                                        $this->getXmlWriter()->xmlEndTag('SolutionComparisonExpression');
                                                }

                                                $this->getXmlWriter()->xmlEndTag('EvalByQuestionSolution');
                                                break;
                                }

                                $this->getXmlWriter()->xmlEndTag('TriggeredSkill');
                        }

                        $this->getXmlWriter()->xmlEndTag('TriggerQuestion');
                }

                $this->getXmlWriter()->xmlEndTag('QuestionSkillAssignments');
        }
}