/**
* Perform the necessary preprocessing for the fields added by
* {@link add_per_answer_fields()}.
* @param object $question the data being passed to the form.
* @return object $question the modified data.
*/
protected function data_preprocessing_answers($question, $withanswerfiles = false)
{
if (empty($question->options->answers)) {
return $question;
}
$key = 0;
foreach ($question->options->answers as $answer) {
// answer content & format
$question->answer[$key] = json_encode(qtype_omerocommon::serialize_to_json_from($answer->answer));
$question->answerformat[$key] = $answer->answerformat;
// answer fraction
$question->fraction[$key] = 0 + $answer->fraction;
unset($this->_form->_defaultValues["fraction[{$key}]"]);
// answer feedback
$question->feedback[$key] = json_encode(qtype_omerocommon::serialize_to_json_from($answer->feedback));
$question->feedbackformat[$key] = $answer->feedbackformat;
$question->feedbackimages[$key] = empty($answer->images) ? json_encode(array()) : $answer->images;
$question->answer_locale_map[$key] = json_encode(qtype_omerocommon::serialize_to_json_from($answer->answer));
$question->feedback_locale_map[$key] = json_encode(qtype_omerocommon::serialize_to_json_from($answer->feedback));
$key++;
}
// Now process extra answer fields.
$extraanswerfields = question_bank::get_qtype($question->qtype)->extra_answer_fields();
if (is_array($extraanswerfields)) {
// Omit table name.
array_shift($extraanswerfields);
$question = $this->data_preprocessing_extra_answer_fields($question, $extraanswerfields);
}
return $question;
}
