public function serialize($quiz, $questions)
{
$writer = new ImsQtiWriter();
$quiz_id = self::get_identifier($quiz);
$test = $writer->add_assessmentTest($quiz_id, $quiz->name, self::get_tool_name(), Qti::get_tool_version());
$part = $test->add_testPart(null, Qti::NAVIGATION_MODE_LINEAR, Qti::SUBMISSION_MODE_INDIVIDUAL);
$part->add_itemSessionControl(0, true, true, true, true, true, false);
$section = $part->add_assessmentSection(null, $quiz->name, false);
$instruction = $this->translate_question_text($quiz->intro);
$section->add_rubricBlock(Qti::VIEW_ALL)->add_flow($instruction);
$this->add_questions($section, $quiz, $questions);
return $writer->saveXML();
}
static function factory(QtiImportSettings $settings)
{
$item = $settings->get_reader();
$category = $settings->get_category();
//if it is a reimport
if ($data = $settings->get_data()) {
if ($data->qtype == 'calculatedsimple') {
return new self($category);
} else {
return null;
}
}
$accept = !is_null(CalculatedBuilder::factory($item, $source_root, $target_root)) && $item->toolName == self::get_tool_name() && $item->toolVersion >= Qti::get_tool_version() && $item->label == 'calculatedsimple';
if ($accept) {
return new self($category);
} else {
return null;
}
}
protected function add_assessment_item(ImsQtiWriter $writer, $question)
{
$identifier = self::question_identifier($question);
$lang = MoodleUtil::get_current_language();
$label = $question->qtype;
$toolname = self::get_tool_name();
$toolversion = Qti::get_tool_version();
$result = $writer->add_assessmentItem($identifier, $question->name, true, false, $label, $lang, $toolname, $toolversion);
return $result;
}