public function start_attempt(question_attempt_step $step, $variant)
{
parent::start_attempt($step, $variant);
$choiceorder = array_keys($this->choices);
$step->set_qt_var('_choiceorder', implode(',', $choiceorder));
$this->set_choiceorder($choiceorder);
}
public function start_attempt(question_attempt_step $step, $variant)
{
$saquestions = $this->questionsloader->load_questions();
foreach ($saquestions as $wrappedquestion) {
// Store and save stem text and format.
$this->stems[$wrappedquestion->id] = $wrappedquestion->questiontext;
$this->stemformat[$wrappedquestion->id] = $wrappedquestion->questiontextformat;
$step->set_qt_var('_stem_' . $wrappedquestion->id, $this->stems[$wrappedquestion->id]);
$step->set_qt_var('_stemformat_' . $wrappedquestion->id, $this->stemformat[$wrappedquestion->id]);
// Find, store and save right choice id.
$key = $this->find_right_answer($wrappedquestion);
$this->right[$wrappedquestion->id] = $key;
$step->set_qt_var('_right_' . $wrappedquestion->id, $key);
// No need to save saquestions, it will be saved by parent class in _stemorder.
}
// Save all the choices.
foreach ($this->choices as $key => $answer) {
$step->set_qt_var('_choice_' . $key, $answer);
}
parent::start_attempt($step, $variant);
}
