public function initFromXmlNode(DOMElement $node)
{
parent::initFromXmlNode($node);
$detailsNode = $node->getElementsByTagName('details')->item(0);
$this->details = $this->createDetails();
$this->details->initFromXmlNode($detailsNode);
foreach ($this->details->items as $item) {
$correctAnswer = '';
foreach ($item->answers as $answer) {
if ($correctAnswer != '') {
$correctAnswer .= ', ';
}
$correctAnswer .= $answer;
}
if ($this->correctAnswer != '') {
$this->correctAnswer .= '; ';
}
$this->correctAnswer .= $correctAnswer;
}
}
private function exportQuestions(DOMElement $questionsNode)
{
$questionsList = $questionsNode->childNodes;
for ($i = 0; $i < $questionsList->length; ++$i) {
$question = null;
$questionNode = $questionsList->item($i);
switch ($questionNode->nodeName) {
case QuestionType::TRUE_FALSE:
$question = new TrueFalseQuestion();
break;
case QuestionType::MULTIPLE_CHOICE:
$question = new MultipleChoiceQuestion();
break;
case QuestionType::MULTIPLE_RESPOSE:
$question = new MultipleResponseQuestion();
break;
case QuestionType::SEQUENCE:
$question = new SequenceQuestion();
break;
case QuestionType::FILL_IN_THE_BLANK:
$question = new FillInTheBlankQuestion();
break;
case QuestionType::TYPE_IN:
$question = new TypeInQuestion();
break;
case QuestionType::MATCHING:
$question = new MatchingQuestion();
break;
case QuestionType::NUMERIC:
$question = new NumericQuestion();
break;
case QuestionType::MULTIPLE_CHOICE_TEXT:
$question = new MultipleChoiceTextQuestion();
break;
case QuestionType::WORD_BANK:
$question = new WordBankQuestion();
break;
case QuestionType::ESSAY:
$question = new EssayQuestion();
break;
case QuestionType::HOTSPOT:
$question = new HotspotQuestion();
break;
case QuestionType::YES_NO:
$question = new TrueFalseSurveyQuestion();
break;
case QuestionType::PICK_ONE:
$question = new MultipleChoiceSurveyQuestion();
break;
case QuestionType::PICK_MANY:
$question = new MultipleResponseSurveyQuestion();
break;
case QuestionType::SHORT_ANSWER:
$question = new TypeInSurveyQuestion();
break;
case QuestionType::RANKING:
$question = new SequenceSurveyQuestion();
break;
case QuestionType::NUMERIC_SURVEY:
$question = new NumericSurveyQuestion();
break;
case QuestionType::MATCHING_SURVEY:
$question = new MatchingSurveyQuestion();
break;
case QuestionType::WHICH_WORD:
$question = new WorkBankSurveyQuestion();
break;
case QuestionType::LIKERT_SCALE:
$question = new LikertScaleQuestion();
break;
case QuestionType::MULTIPLE_CHOICE_TEXT_SURVEY:
$question = new MultipleChoiceTextSurveyQuestion();
break;
case QuestionType::FILL_IN_THE_BLANK_SURVEY:
$question = new FillInTheBlankSurveyQuestion();
break;
}
if ($question != null) {
$question->initFromXmlNode($questionNode);
$this->questions[] = $question;
}
}
}