public function validation($data, $files)
{
$errors = parent::validation($data, $files);
// Verifying for errors in {=...} in question text.
$qtext = '';
$qtextremaining = $data['questiontext']['text'];
$possibledatasets = $this->qtypeobj->find_dataset_names($data['questiontext']['text']);
foreach ($possibledatasets as $name => $value) {
$qtextremaining = str_replace('{' . $name . '}', '1', $qtextremaining);
}
while (preg_match('~\\{=([^[:space:]}]*)}~', $qtextremaining, $regs1)) {
$qtextsplits = explode($regs1[0], $qtextremaining, 2);
$qtext = $qtext . $qtextsplits[0];
$qtextremaining = $qtextsplits[1];
if (!empty($regs1[1]) && ($formulaerrors = qtype_calculated_find_formula_errors($regs1[1]))) {
if (!isset($errors['questiontext'])) {
$errors['questiontext'] = $formulaerrors . ':' . $regs1[1];
} else {
$errors['questiontext'] .= '<br/>' . $formulaerrors . ':' . $regs1[1];
}
}
}
$answers = $data['answer'];
$answercount = 0;
$maxgrade = false;
$possibledatasets = $this->qtypeobj->find_dataset_names($data['questiontext']['text']);
$mandatorydatasets = array();
foreach ($answers as $key => $answer) {
$mandatorydatasets += $this->qtypeobj->find_dataset_names($answer);
}
if (count($mandatorydatasets) == 0) {
foreach ($answers as $key => $answer) {
$errors['answeroptions[' . $key . ']'] = get_string('atleastonewildcard', 'qtype_calculated');
}
}
$totalfraction = 0;
$maxfraction = -1;
foreach ($answers as $key => $answer) {
$trimmedanswer = trim($answer);
$fraction = (double) $data['fraction'][$key];
if (empty($trimmedanswer) && $trimmedanswer != '0' && empty($fraction)) {
continue;
}
if (empty($trimmedanswer)) {
$errors['answeroptions[' . $key . ']'] = get_string('errgradesetanswerblank', 'qtype_multichoice');
}
if ($trimmedanswer != '' || $answercount == 0) {
// Verifying for errors in {=...} in answer text.
$qanswer = '';
$qanswerremaining = $trimmedanswer;
$possibledatasets = $this->qtypeobj->find_dataset_names($trimmedanswer);
foreach ($possibledatasets as $name => $value) {
$qanswerremaining = str_replace('{' . $name . '}', '1', $qanswerremaining);
}
while (preg_match('~\\{=([^[:space:]}]*)}~', $qanswerremaining, $regs1)) {
$qanswersplits = explode($regs1[0], $qanswerremaining, 2);
$qanswer = $qanswer . $qanswersplits[0];
$qanswerremaining = $qanswersplits[1];
if (!empty($regs1[1]) && ($formulaerrors = qtype_calculated_find_formula_errors($regs1[1]))) {
if (!isset($errors['answeroptions[' . $key . ']'])) {
$errors['answeroptions[' . $key . ']'] = $formulaerrors . ':' . $regs1[1];
} else {
$errors['answeroptions[' . $key . ']'] .= '<br/>' . $formulaerrors . ':' . $regs1[1];
}
}
}
}
if ($trimmedanswer != '') {
if ('2' == $data['correctanswerformat'][$key] && '0' == $data['correctanswerlength'][$key]) {
$errors['correctanswerlength[' . $key . ']'] = get_string('zerosignificantfiguresnotallowed', 'qtype_calculated');
}
if (!is_numeric($data['tolerance'][$key])) {
$errors['tolerance[' . $key . ']'] = get_string('xmustbenumeric', 'qtype_numerical', get_string('acceptederror', 'qtype_numerical'));
}
if ($data['fraction'][$key] > 0) {
$totalfraction += $data['fraction'][$key];
}
if ($data['fraction'][$key] > $maxfraction) {
$maxfraction = $data['fraction'][$key];
}
$answercount++;
}
}
if ($answercount == 0) {
$errors['answeroptions[0]'] = get_string('notenoughanswers', 'qtype_multichoice', 2);
$errors['answeroptions[1]'] = get_string('notenoughanswers', 'qtype_multichoice', 2);
} else {
if ($answercount == 1) {
$errors['answeroptions[1]'] = get_string('notenoughanswers', 'qtype_multichoice', 2);
}
}
// Perform sanity checks on fractional grades.
if ($data['single'] == 1) {
if ($maxfraction != 1) {
$errors['answeroptions[0]'] = get_string('errfractionsnomax', 'qtype_multichoice', $maxfraction * 100);
}
} else {
$totalfraction = round($totalfraction, 2);
if ($totalfraction != 1) {
$totalfraction = $totalfraction * 100;
$errors['answeroptions[0]'] = get_string('errfractionsaddwrong', 'qtype_multichoice', $totalfraction);
}
}
return $errors;
}
function validation($data, $files)
{
// echo code left for testing period
// echo "<p>question <pre>";print_r($this->question);echo "</pre></p>";
// echo "<p>data <pre>";print_r($data);echo "</pre></p>";
$errors = parent::validation($data, $files);
//verifying for errors in {=...} in question text;
$qtext = "";
$qtextremaining = $data['questiontext']['text'];
$possibledatasets = $this->qtypeobj->find_dataset_names($data['questiontext']['text']);
foreach ($possibledatasets as $name => $value) {
$qtextremaining = str_replace('{' . $name . '}', '1', $qtextremaining);
}
// echo "numericalquestion qtextremaining <pre>";print_r($possibledatasets);
while (preg_match('~\\{=([^[:space:]}]*)}~', $qtextremaining, $regs1)) {
$qtextsplits = explode($regs1[0], $qtextremaining, 2);
$qtext = $qtext . $qtextsplits[0];
$qtextremaining = $qtextsplits[1];
if (!empty($regs1[1]) && ($formulaerrors = qtype_calculated_find_formula_errors($regs1[1]))) {
if (!isset($errors['questiontext'])) {
$errors['questiontext'] = $formulaerrors . ':' . $regs1[1];
} else {
$errors['questiontext'] .= '<br/>' . $formulaerrors . ':' . $regs1[1];
}
}
}
$answers = $data['answer'];
$answercount = 0;
$maxgrade = false;
$possibledatasets = $this->qtypeobj->find_dataset_names($data['questiontext']['text']);
$mandatorydatasets = array();
foreach ($answers as $key => $answer) {
$mandatorydatasets += $this->qtypeobj->find_dataset_names($answer);
}
if (count($mandatorydatasets) == 0) {
// $errors['questiontext']=get_string('atleastonewildcard', 'qtype_datasetdependent');
foreach ($answers as $key => $answer) {
$errors['answer[' . $key . ']'] = get_string('atleastonewildcard', 'qtype_datasetdependent');
}
}
if ($data['multichoice'] == 1) {
foreach ($answers as $key => $answer) {
$trimmedanswer = trim($answer);
if ($trimmedanswer != '' || $answercount == 0) {
//verifying for errors in {=...} in answer text;
$qanswer = "";
$qanswerremaining = $trimmedanswer;
$possibledatasets = $this->qtypeobj->find_dataset_names($trimmedanswer);
foreach ($possibledatasets as $name => $value) {
$qanswerremaining = str_replace('{' . $name . '}', '1', $qanswerremaining);
}
// echo "numericalquestion qanswerremaining <pre>";print_r($possibledatasets);
while (preg_match('~\\{=([^[:space:]}]*)}~', $qanswerremaining, $regs1)) {
$qanswersplits = explode($regs1[0], $qanswerremaining, 2);
$qanswer = $qanswer . $qanswersplits[0];
$qanswerremaining = $qanswersplits[1];
if (!empty($regs1[1]) && ($formulaerrors = qtype_calculated_find_formula_errors($regs1[1]))) {
if (!isset($errors['answer[' . $key . ']'])) {
$errors['answer[' . $key . ']'] = $formulaerrors . ':' . $regs1[1];
} else {
$errors['answer[' . $key . ']'] .= '<br/>' . $formulaerrors . ':' . $regs1[1];
}
}
}
}
if ($trimmedanswer != '') {
if ('2' == $data['correctanswerformat'][$key] && '0' == $data['correctanswerlength'][$key]) {
$errors['correctanswerlength[' . $key . ']'] = get_string('zerosignificantfiguresnotallowed', 'quiz');
}
if (!is_numeric($data['tolerance'][$key])) {
$errors['tolerance[' . $key . ']'] = get_string('mustbenumeric', 'qtype_calculated');
}
if ($data['fraction'][$key] == 1) {
$maxgrade = true;
}
$answercount++;
}
//check grades
$totalfraction = 0;
$maxfraction = 0;
if ($answer != '') {
if ($data['fraction'][$key] > 0) {
$totalfraction += $data['fraction'][$key];
}
if ($data['fraction'][$key] > $maxfraction) {
$maxfraction = $data['fraction'][$key];
}
}
}
if ($answercount == 0) {
$errors['answer[0]'] = get_string('notenoughanswers', 'qtype_multichoice', 2);
$errors['answer[1]'] = get_string('notenoughanswers', 'qtype_multichoice', 2);
} elseif ($answercount == 1) {
$errors['answer[1]'] = get_string('notenoughanswers', 'qtype_multichoice', 2);
}
/// Perform sanity checks on fractional grades
if ($data['single']) {
if ($maxfraction > 0.999) {
$maxfraction = $maxfraction * 100;
$errors['fraction[0]'] = get_string('errfractionsnomax', 'qtype_multichoice', $maxfraction);
}
} else {
$totalfraction = round($totalfraction, 2);
if ($totalfraction != 1) {
$totalfraction = $totalfraction * 100;
$errors['fraction[0]'] = get_string('errfractionsaddwrong', 'qtype_multichoice', $totalfraction);
}
}
if ($answercount == 0) {
$errors['answer[0]'] = get_string('atleastoneanswer', 'qtype_calculated');
}
if ($maxgrade == false) {
$errors['fraction[0]'] = get_string('fractionsnomax', 'question');
}
}
return $errors;
}
public function validation($data, $files)
{
$errors = parent::validation($data, $files);
// Verifying for errors in {=...} in question text.
$errors = $this->validate_text($errors, 'questiontext', $data['questiontext']['text']);
$errors = $this->validate_text($errors, 'generalfeedback', $data['generalfeedback']['text']);
$errors = $this->validate_text($errors, 'correctfeedback', $data['correctfeedback']['text']);
$errors = $this->validate_text($errors, 'partiallycorrectfeedback', $data['partiallycorrectfeedback']['text']);
$errors = $this->validate_text($errors, 'incorrectfeedback', $data['incorrectfeedback']['text']);
$answers = $data['answer'];
$answercount = 0;
$maxgrade = false;
$possibledatasets = $this->qtypeobj->find_dataset_names($data['questiontext']['text']);
$mandatorydatasets = array();
foreach ($answers as $key => $answer) {
$mandatorydatasets += $this->qtypeobj->find_dataset_names($answer);
}
if (count($mandatorydatasets) == 0) {
foreach ($answers as $key => $answer) {
$errors['answeroptions[' . $key . ']'] = get_string('atleastonewildcard', 'qtype_calculated');
}
}
$totalfraction = 0;
$maxfraction = -1;
foreach ($answers as $key => $answer) {
$trimmedanswer = trim($answer);
$fraction = (double) $data['fraction'][$key];
if (empty($trimmedanswer) && $trimmedanswer != '0' && empty($fraction)) {
continue;
}
if (empty($trimmedanswer)) {
$errors['answeroptions[' . $key . ']'] = get_string('errgradesetanswerblank', 'qtype_multichoice');
}
if ($trimmedanswer != '' || $answercount == 0) {
// Verifying for errors in {=...} in answer text.
$errors = $this->validate_text($errors, 'answeroptions[' . $key . ']', $answer);
$errors = $this->validate_text($errors, 'feedback[' . $key . ']', $data['feedback'][$key]['text']);
}
if ($trimmedanswer != '') {
if ('2' == $data['correctanswerformat'][$key] && '0' == $data['correctanswerlength'][$key]) {
$errors['correctanswerlength[' . $key . ']'] = get_string('zerosignificantfiguresnotallowed', 'qtype_calculated');
}
if (!is_numeric($data['tolerance'][$key])) {
$errors['tolerance[' . $key . ']'] = get_string('xmustbenumeric', 'qtype_numerical', get_string('acceptederror', 'qtype_numerical'));
}
if ($data['fraction'][$key] > 0) {
$totalfraction += $data['fraction'][$key];
}
if ($data['fraction'][$key] > $maxfraction) {
$maxfraction = $data['fraction'][$key];
}
$answercount++;
}
}
if ($answercount == 0) {
$errors['answeroptions[0]'] = get_string('notenoughanswers', 'qtype_multichoice', 2);
$errors['answeroptions[1]'] = get_string('notenoughanswers', 'qtype_multichoice', 2);
} else {
if ($answercount == 1) {
$errors['answeroptions[1]'] = get_string('notenoughanswers', 'qtype_multichoice', 2);
}
}
// Perform sanity checks on fractional grades.
if ($data['single'] == 1) {
if ($maxfraction != 1) {
$errors['answeroptions[0]'] = get_string('errfractionsnomax', 'qtype_multichoice', $maxfraction * 100);
}
} else {
$totalfraction = round($totalfraction, 2);
if ($totalfraction != 1) {
$totalfraction = $totalfraction * 100;
$errors['answeroptions[0]'] = get_string('errfractionsaddwrong', 'qtype_multichoice', $totalfraction);
}
}
return $errors;
}
