function set_data($question)
{
if (!empty($question->options->trueanswer)) {
$trueanswer = $question->options->answers[$question->options->trueanswer];
$draftid = file_get_submitted_draft_itemid('trueanswer');
$answerid = $question->options->trueanswer;
$text = $trueanswer->feedback;
$question->correctanswer = $trueanswer->fraction != 0;
$question->feedbacktrue = array();
$question->feedbacktrue['text'] = $trueanswer->feedback;
$question->feedbacktrue['format'] = $trueanswer->feedbackformat;
$question->feedbacktrue['text'] = file_prepare_draft_area($draftid, $this->context->id, 'question', 'answerfeedback', !empty($answerid) ? (int) $answerid : null, $this->fileoptions, $text);
$question->feedbacktrue['itemid'] = $draftid;
}
if (!empty($question->options->falseanswer)) {
$falseanswer = $question->options->answers[$question->options->falseanswer];
$draftid = file_get_submitted_draft_itemid('falseanswer');
$answerid = $question->options->falseanswer;
$text = $falseanswer->feedback;
$question->feedbackfalse = array();
$question->feedbackfalse['text'] = $falseanswer->feedback;
$question->feedbackfalse['format'] = $falseanswer->feedbackformat;
$question->feedbackfalse['text'] = file_prepare_draft_area($draftid, $this->context->id, 'question', 'answerfeedback', !empty($answerid) ? (int) $answerid : null, $this->fileoptions, $text);
$question->feedbackfalse['itemid'] = $draftid;
}
parent::set_data($question);
}
function validation($data, $files)
{
$errors = parent::validation($data, $files);
$answers = $data['subanswers'];
$questions = $data['subquestions'];
$questioncount = 0;
$answercount = 0;
foreach ($questions as $key => $question) {
$trimmedquestion = trim($question);
$trimmedanswer = trim($answers[$key]);
if ($trimmedquestion != '') {
$questioncount++;
}
if ($trimmedanswer != '' || $trimmedquestion != '') {
$answercount++;
}
if ($trimmedquestion != '' && $trimmedanswer == '') {
$errors['subanswers[' . $key . ']'] = get_string('nomatchinganswerforq', 'qtype_match', $trimmedquestion);
}
}
$numberqanda = new stdClass();
$numberqanda->q = 2;
$numberqanda->a = 3;
if ($questioncount < 1) {
$errors['subquestions[0]'] = get_string('notenoughqsandas', 'qtype_match', $numberqanda);
}
if ($questioncount < 2) {
$errors['subquestions[1]'] = get_string('notenoughqsandas', 'qtype_match', $numberqanda);
}
if ($answercount < 3) {
$errors['subanswers[2]'] = get_string('notenoughqsandas', 'qtype_match', $numberqanda);
}
return $errors;
}
function validation($data, $files)
{
global $QTYPES;
$errors = parent::validation($data, $files);
// Check the answers.
$answercount = 0;
$maxgrade = false;
$answers = $data['answer'];
foreach ($answers as $key => $answer) {
$trimmedanswer = trim($answer);
if ($trimmedanswer != '') {
$answercount++;
if (!(is_numeric($trimmedanswer) || $trimmedanswer == '*')) {
$errors["answer[{$key}]"] = get_string('answermustbenumberorstar', 'qtype_numerical');
}
if ($data['fraction'][$key] == 1) {
$maxgrade = true;
}
} else {
if ($data['fraction'][$key] != 0 || !html_is_blank($data['feedback'][$key]['text'])) {
$errors["answer[{$key}]"] = get_string('answermustbenumberorstar', 'qtype_numerical');
$answercount++;
}
}
}
if ($answercount == 0) {
$errors['answer[0]'] = get_string('notenoughanswers', 'qtype_numerical');
}
if ($maxgrade == false) {
$errors['fraction[0]'] = get_string('fractionsnomax', 'question');
}
$QTYPES['numerical']->validate_numerical_options($data, $errors);
return $errors;
}
public function validation($data, $files)
{
$errors = parent::validation($data, $files);
$answers = $data['answer'];
$answercount = 0;
$maxgrade = false;
foreach ($answers as $key => $answer) {
$trimmedanswer = trim($answer);
if ($trimmedanswer !== '') {
$answercount++;
if ($data['fraction'][$key] == 1) {
$maxgrade = true;
}
} else {
if ($data['fraction'][$key] != 0 || !html_is_blank($data['feedback'][$key]['text'])) {
$errors["answer[{$key}]"] = get_string('answermustbegiven', 'qtype_shortanswer');
$answercount++;
}
}
}
if ($answercount == 0) {
$errors['answer[0]'] = get_string('notenoughanswers', 'qtype_shortanswer', 1);
}
if ($maxgrade == false) {
$errors['fraction[0]'] = get_string('fractionsnomax', 'question');
}
return $errors;
}
function set_data($question)
{
if (empty($question->name)) {
$question->name = get_string("random", "quiz");
}
parent::set_data($question);
}
public function validation($data, $files)
{
global $DB;
$errors = parent::validation($data, $files);
if (isset($data->categorymoveto)) {
list($category) = explode(',', $data['categorymoveto']);
} else {
list($category) = explode(',', $data['category']);
}
$saquestions = question_bank::get_qtype('randomsamatch')->get_sa_candidates($category);
$numberavailable = count($saquestions);
if ($saquestions === false) {
$a = new stdClass();
$a->catname = $DB->get_field('question_categories', 'name', array('id' => $category));
$errors['choose'] = get_string('nosaincategory', 'qtype_randomsamatch', $a);
} else {
if ($numberavailable < $data['choose']) {
$a = new stdClass();
$a->catname = $DB->get_field('question_categories', 'name', array('id' => $category));
$a->nosaquestions = $numberavailable;
$errors['choose'] = get_string('notenoughsaincategory', 'qtype_randomsamatch', $a);
}
}
return $errors;
}
protected function data_preprocessing($question)
{
$question = parent::data_preprocessing($question);
if (empty($question->options)) {
return $question;
}
$question->responseformat = $question->options->responseformat;
$question->responsefieldlines = $question->options->responsefieldlines;
$question->attachments = $question->options->attachments;
$question->boardsize = $question->options->boardsize;
//Set backimage details, and configure a draft area to accept any uploaded pictures
//all this and this whole method does, is to load existing files into a filearea
//so it is not called when creating a new question, only when editing an existing one
//best to use file_get_submitted_draft_itemid - because copying questions gets weird otherwise
//$draftitemid =$question->options->backimage;
$draftitemid = file_get_submitted_draft_itemid('backimage');
file_prepare_draft_area($draftitemid, $this->context->id, 'qtype_poodllrecording', 'backimage', !empty($question->id) ? (int) $question->id : null, array('subdirs' => 0, 'maxbytes' => 0, 'maxfiles' => 1));
$question->backimage = $draftitemid;
$draftid = file_get_submitted_draft_itemid('graderinfo');
$question->graderinfo = array();
$question->graderinfo['text'] = file_prepare_draft_area($draftid, $this->context->id, 'qtype_poodllrecording', 'graderinfo', !empty($question->id) ? (int) $question->id : null, $this->fileoptions, $question->options->graderinfo);
$question->graderinfo['format'] = $question->options->graderinfoformat;
$question->graderinfo['itemid'] = $draftid;
return $question;
}
protected function data_preprocessing($question) {
$question = parent::data_preprocessing($question);
if (empty($question->options)) {
return $question;
}
$question->responseformat = $question->options->responseformat;
$question->responsefieldlines = $question->options->responsefieldlines;
$question->attachments = $question->options->attachments;
$draftid = file_get_submitted_draft_itemid('graderinfo');
$question->graderinfo = array();
$question->graderinfo['text'] = file_prepare_draft_area(
$draftid, // draftid
$this->context->id, // context
'qtype_essay', // component
'graderinfo', // filarea
!empty($question->id) ? (int) $question->id : null, // itemid
$this->fileoptions, // options
$question->options->graderinfo // text
);
$question->graderinfo['format'] = $question->options->graderinfoformat;
$question->graderinfo['itemid'] = $draftid;
$question->responselimitpolicy = $question->options->responselimitpolicy;
$question->wordlimit = $question->options->wordlimit;
$question->charlimit = $question->options->charlimit;
return $question;
}
function validation($data)
{
$errors = parent::validation($data);
$answers = $data['subanswers'];
$questions = $data['subquestions'];
$questioncount = 0;
foreach ($questions as $key => $question) {
$trimmedquestion = trim($question);
$trimmedanswer = trim($answers[$key]);
if (!empty($trimmedanswer) && !empty($trimmedquestion)) {
$questioncount++;
}
if (!empty($trimmedquestion) && empty($trimmedanswer)) {
$errors['subanswers[' . $key . ']'] = get_string('nomatchinganswerforq', 'qtype_match', $trimmedquestion);
}
}
if ($questioncount == 0) {
$errors['subquestions[0]'] = get_string('notenoughquestions', 'qtype_match', 3);
$errors['subquestions[1]'] = get_string('notenoughquestions', 'qtype_match', 3);
$errors['subquestions[2]'] = get_string('notenoughquestions', 'qtype_match', 3);
} elseif ($questioncount == 1) {
$errors['subquestions[1]'] = get_string('notenoughquestions', 'qtype_match', 3);
$errors['subquestions[2]'] = get_string('notenoughquestions', 'qtype_match', 3);
} elseif ($questioncount == 2) {
$errors['subquestions[2]'] = get_string('notenoughquestions', 'qtype_match', 3);
}
return $errors;
}
function validation($data, $files)
{
$errors = parent::validation($data, $files);
$answers = $data['answer'];
$answercount = 0;
$totalfraction = 0;
$maxfraction = -1;
foreach ($answers as $key => $answer) {
//check no of choices
$trimmedanswer = trim($answer);
if (!empty($trimmedanswer)) {
$answercount++;
}
//check grades
if ($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', 1);
}
$totalfraction = round($totalfraction, 2);
if ($totalfraction != 1) {
$totalfraction = $totalfraction * 100;
$errors['fraction[0]'] = get_string('errfractionsaddwrong', 'qtype_multichoice', $totalfraction);
}
return $errors;
}
function set_data($question)
{
if (!empty($question->options) && !empty($question->options->answers)) {
$answer = reset($question->options->answers);
$question->feedback = $answer->feedback;
}
$question->penalty = 0;
parent::set_data($question);
}
function set_data($question)
{
if (empty($question->name)) {
$question->name = get_string("randomsamatch", "quiz");
}
if (empty($question->questiontext)) {
$question->questiontext = get_string("randomsamatchintro", "quiz");
}
parent::set_data($question);
}
function set_data($question)
{
if (!empty($question->options->trueanswer)) {
$trueanswer = $question->options->answers[$question->options->trueanswer];
$question->correctanswer = $trueanswer->fraction != 0;
$question->feedbacktrue = $trueanswer->feedback;
$question->feedbackfalse = $question->options->answers[$question->options->falseanswer]->feedback;
}
parent::set_data($question);
}
function validation($data, $files)
{
//TODO would be nice to parse the question text here and output some error
//messages if there is a problem with the text.
$errors = parent::validation($data, $files);
//extra check to make sure there is something in the htmlarea besides a <br />
$questiontext = trim(strip_tags($data['questiontext']));
if ($questiontext == '') {
$errors['questiontext'] = get_string('err_required', 'form');
}
return $errors;
}
function set_data($question)
{
if (!empty($question->options)) {
$question->essay = $question->options->essay;
$question->maxbytes = $question->options->maxbytes;
if (!empty($question->options->answers)) {
$answer = reset($question->options->answers);
$question->feedback = $answer->feedback;
}
}
$question->penalty = 0;
parent::set_data($question);
}
protected function data_preprocessing($question)
{
$question = parent::data_preprocessing($question);
if (empty($question->options)) {
return $question;
}
$question->responseformat = $question->options->responseformat;
$question->responsefieldlines = $question->options->responsefieldlines;
$question->attachments = $question->options->attachments;
$draftid = file_get_submitted_draft_itemid('graderinfo');
$question->graderinfo = array();
$question->graderinfo['text'] = file_prepare_draft_area($draftid, $this->context->id, 'qtype_poodllrecording', 'graderinfo', !empty($question->id) ? (int) $question->id : null, $this->fileoptions, $question->options->graderinfo);
$question->graderinfo['format'] = $question->options->graderinfoformat;
$question->graderinfo['itemid'] = $draftid;
return $question;
}
public function validation($data, $files)
{
$errors = parent::validation($data, $files);
$answers = $data['answer'];
$answercount = 0;
$totalfraction = 0;
$maxfraction = -1;
foreach ($answers as $key => $answer) {
//check no of choices
$trimmedanswer = trim($answer['text']);
$fraction = (double) $data['fraction'][$key];
if ($trimmedanswer === '' && empty($fraction)) {
continue;
}
if ($trimmedanswer === '') {
$errors['fraction[' . $key . ']'] = get_string('errgradesetanswerblank', 'qtype_turmultiplechoice');
}
$answercount++;
//check grades
if ($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_turmultiplechoice', 2);
$errors['answer[1]'] = get_string('notenoughanswers', 'qtype_turmultiplechoice', 2);
} else {
if ($answercount == 1) {
$errors['answer[1]'] = get_string('notenoughanswers', 'qtype_turmultiplechoice', 2);
}
}
/// Perform sanity checks on fractional grades
if ($data['single']) {
if ($maxfraction != 1) {
$errors['fraction[0]'] = get_string('errfractionsnomax', 'qtype_turmultiplechoice', $maxfraction * 100);
}
} else {
$totalfraction = round($totalfraction, 2);
if ($totalfraction != 1) {
$errors['fraction[0]'] = get_string('errfractionsaddwrong', 'qtype_turmultiplechoice', $totalfraction * 100);
}
}
return $errors;
}
function set_data($question)
{
if (isset($question->options)) {
$answers = $question->options->answers;
if (count($answers)) {
$key = 0;
foreach ($answers as $answer) {
$default_values['answer[' . $key . ']'] = $answer->answer;
$default_values['fraction[' . $key . ']'] = $answer->fraction;
$default_values['feedback[' . $key . ']'] = $answer->feedback;
$key++;
}
}
$question = (object) ((array) $question + $default_values);
}
parent::set_data($question);
}
public function data_preprocessing($question) {
$question = parent::data_preprocessing($question);
if (!empty($question->options->trueanswer)) {
$trueanswer = $question->options->answers[$question->options->trueanswer];
$question->correctanswer = ($trueanswer->fraction != 0);
$draftid = file_get_submitted_draft_itemid('trueanswer');
$answerid = $question->options->trueanswer;
$question->feedbacktrue = array();
$question->feedbacktrue['format'] = $trueanswer->feedbackformat;
$question->feedbacktrue['text'] = file_prepare_draft_area(
$draftid, // draftid
$this->context->id, // context
'question', // component
'answerfeedback', // filarea
!empty($answerid) ? (int) $answerid : null, // itemid
$this->fileoptions, // options
$trueanswer->feedback // text
);
$question->feedbacktrue['itemid'] = $draftid;
}
if (!empty($question->options->falseanswer)) {
$falseanswer = $question->options->answers[$question->options->falseanswer];
$draftid = file_get_submitted_draft_itemid('falseanswer');
$answerid = $question->options->falseanswer;
$question->feedbackfalse = array();
$question->feedbackfalse['format'] = $falseanswer->feedbackformat;
$question->feedbackfalse['text'] = file_prepare_draft_area(
$draftid, // draftid
$this->context->id, // context
'question', // component
'answerfeedback', // filarea
!empty($answerid) ? (int) $answerid : null, // itemid
$this->fileoptions, // options
$falseanswer->feedback // text
);
$question->feedbackfalse['itemid'] = $draftid;
}
return $question;
}
function set_data($question)
{
if (isset($question->options)) {
$subquestions = $question->options->subquestions;
if (count($subquestions)) {
$key = 0;
foreach ($subquestions as $subquestion) {
$default_values['subanswers[' . $key . ']'] = $subquestion->answertext;
$default_values['subquestions[' . $key . ']'] = $subquestion->questiontext;
$key++;
}
}
$default_values['shuffleanswers'] = $question->options->shuffleanswers;
$question = (object) ((array) $question + $default_values);
}
parent::set_data($question);
}
function validation($data, $files)
{
global $QTYPES;
$errors = parent::validation($data, $files);
$saquestions = $QTYPES['randomsamatch']->get_sa_candidates($data['category']);
$numberavailable = count($saquestions);
if ($saquestions === false) {
$a = new object();
$a->catname = get_field('question_categories', 'name', 'id', $data['category']);
$errors['choose'] = get_string('nosaincategory', 'qtype_randomsamatch', $a);
} elseif ($numberavailable < $data['choose']) {
$a = new object();
$a->catname = get_field('question_categories', 'name', 'id', $data['category']);
$a->nosaquestions = $numberavailable;
$errors['choose'] = get_string('notenoughsaincategory', 'qtype_randomsamatch', $a);
}
return $errors;
}
public function validation($data, $files)
{
$errors = parent::validation($data, $files);
// cleanup :
$data['conditions'] = rtrim(str_replace("\r\n", "\n", $data['conditions']), "\n");
$data['feedbackperconditions'] = rtrim(str_replace("\r\n", "\n", $data['feedbackperconditions']), "\n");
$conditions = explode("\n", $data['conditions']);
$feedbackperconditions = explode("\n", $data['feedbackperconditions']);
if (count($feedbackperconditions) > count($conditions)) {
$errors['conditions'] = get_string('badnumfeedbackperconditions', 'qtype_multinumerical');
$errors['feedbackperconditions'] = get_string('badnumfeedbackperconditions', 'qtype_multinumerical');
}
foreach ($feedbackperconditions as $feedbackpercondition) {
if (trim($feedbackpercondition) && strpos($feedbackpercondition, '|') === false) {
$errors['feedbackperconditions'] = get_string('badfeedbackperconditionsyntax', 'qtype_multinumerical');
}
}
return $errors;
}
public function validation($fromform, $files)
{
$errors = parent::validation($fromform, $files);
// Don't allow both 'no inline response' and 'no attachments' to be selected,
// as these options would result in there being no input requested from the user.
if ($fromform['responseformat'] == 'noinline' && !$fromform['attachments']) {
$errors['attachments'] = get_string('mustattach', 'qtype_essay');
}
// If 'no inline response' is set, force the teacher to require attachments;
// otherwise there will be nothing to grade.
if ($fromform['responseformat'] == 'noinline' && !$fromform['attachmentsrequired']) {
$errors['attachmentsrequired'] = get_string('mustrequire', 'qtype_essay');
}
// Don't allow the teacher to require more attachments than they allow; as this would
// create a condition that it's impossible for the student to meet.
if ($fromform['attachments'] != -1 && $fromform['attachments'] < $fromform['attachmentsrequired']) {
$errors['attachmentsrequired'] = get_string('mustrequirefewer', 'qtype_essay');
}
return $errors;
}
function set_data($question)
{
if (isset($question->options)) {
$answers = $question->options->answers;
if (count($answers)) {
$key = 0;
foreach ($answers as $answer) {
$default_values['answer[' . $key . ']'] = $answer->answer;
$default_values['fraction[' . $key . ']'] = $answer->fraction;
$default_values['feedback[' . $key . ']'] = $answer->feedback;
$key++;
}
}
$default_values['single'] = $question->options->single;
$default_values['shuffleanswers'] = $question->options->shuffleanswers;
$default_values['correctfeedback'] = $question->options->correctfeedback;
$default_values['partiallycorrectfeedback'] = $question->options->partiallycorrectfeedback;
$default_values['incorrectfeedback'] = $question->options->incorrectfeedback;
$question = (object) ((array) $question + $default_values);
}
parent::set_data($question);
}
function validation($data)
{
$errors = parent::validation($data);
$answers = $data['answer'];
$answercount = 0;
$maxgrade = false;
foreach ($answers as $key => $answer) {
$trimmedanswer = trim($answer);
if ($trimmedanswer !== '') {
$answercount++;
if ($data['fraction'][$key] == 1) {
$maxgrade = true;
}
}
}
if ($answercount == 0) {
$errors['answer[0]'] = get_string('notenoughanswers', 'quiz', 1);
}
if ($maxgrade == false) {
$errors['fraction[0]'] = get_string('fractionsnomax', 'question');
}
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;
}
/**
* This method should be overriden if you want to include a special heading or some other
* html on a question editing page besides the question editing form.
*
* @param question_edit_form $mform a child of question_edit_form
* @param object $question
* @param string $wizardnow is '' for first page.
*/
function display_question_editing_page(&$mform, $question, $wizardnow)
{
list($heading, $langmodule) = $this->get_heading(empty($question->id));
print_heading_with_help($heading, $this->name(), $langmodule);
$permissionstrs = array();
if (!empty($question->id)) {
if ($question->formoptions->canedit) {
$permissionstrs[] = get_string('permissionedit', 'question');
}
if ($question->formoptions->canmove) {
$permissionstrs[] = get_string('permissionmove', 'question');
}
if ($question->formoptions->cansaveasnew) {
$permissionstrs[] = get_string('permissionsaveasnew', 'question');
}
}
if (!$question->formoptions->movecontext && count($permissionstrs)) {
print_heading(get_string('permissionto', 'question'), 'center', 3);
$html = '<ul>';
foreach ($permissionstrs as $permissionstr) {
$html .= '<li>' . $permissionstr . '</li>';
}
$html .= '</ul>';
print_box($html, 'boxwidthnarrow boxaligncenter generalbox');
}
$mform->display();
}
/**
* This method should be overriden if you want to include a special heading or some other
* html on a question editing page besides the question editing form.
*
* @param question_edit_form $mform a child of question_edit_form
* @param object $question
* @param string $wizardnow is '' for first page.
*/
public function display_question_editing_page($mform, $question, $wizardnow) {
global $OUTPUT;
$heading = $this->get_heading(empty($question->id));
echo $OUTPUT->heading_with_help($heading, 'pluginname', $this->plugin_name());
$permissionstrs = array();
if (!empty($question->id)) {
if ($question->formoptions->canedit) {
$permissionstrs[] = get_string('permissionedit', 'question');
}
if ($question->formoptions->canmove) {
$permissionstrs[] = get_string('permissionmove', 'question');
}
if ($question->formoptions->cansaveasnew) {
$permissionstrs[] = get_string('permissionsaveasnew', 'question');
}
}
if (count($permissionstrs)) {
echo $OUTPUT->heading(get_string('permissionto', 'question'), 3);
$html = '<ul>';
foreach ($permissionstrs as $permissionstr) {
$html .= '<li>'.$permissionstr.'</li>';
}
$html .= '</ul>';
echo $OUTPUT->box($html, 'boxwidthnarrow boxaligncenter generalbox');
}
$mform->display();
}
function validation($data, $files)
{
$errors = parent::validation($data, $files);
$questiondisplay = qtype_multianswer_extract_question($data['questiontext']);
// echo "<p> questiondisplay ".$data['questiontext']['text']." <pre>";print_r($questiondisplay);echo "</pre></p>";
if (isset($questiondisplay->options->questions)) {
$subquestions = fullclone($questiondisplay->options->questions);
if (count($subquestions)) {
$sub = 1;
foreach ($subquestions as $subquestion) {
$prefix = 'sub_' . $sub . '_';
$answercount = 0;
$maxgrade = false;
$maxfraction = -1;
if (isset($this->savedquestiondisplay->options->questions[$sub]->qtype) && $this->savedquestiondisplay->options->questions[$sub]->qtype != $questiondisplay->options->questions[$sub]->qtype) {
$storemess = " STORED QTYPE " . $question_type_names[$this->savedquestiondisplay->options->questions[$sub]->qtype];
}
foreach ($subquestion->answer as $key => $answer) {
$trimmedanswer = trim($answer);
if ($trimmedanswer !== '') {
$answercount++;
if ($subquestion->qtype == 'numerical' && !(is_numeric($trimmedanswer) || $trimmedanswer == '*')) {
$errors[$prefix . 'answer[' . $key . ']'] = get_string('answermustbenumberorstar', 'qtype_numerical');
}
if ($subquestion->fraction[$key] == 1) {
$maxgrade = true;
}
if ($subquestion->fraction[$key] > $maxfraction) {
$maxfraction = $subquestion->fraction[$key];
}
}
}
if ($answercount == 0) {
if ($subquestion->qtype == 'multichoice') {
$errors[$prefix . 'answer[0]'] = get_string('notenoughanswers', 'qtype_multichoice', 2);
} else {
$errors[$prefix . 'answer[0]'] = get_string('notenoughanswers', 'quiz', 1);
}
}
if ($maxgrade == false) {
$errors[$prefix . 'fraction[0]'] = get_string('fractionsnomax', 'question');
}
$sub++;
}
} else {
$errors['questiontext'] = get_string('questionsmissing', 'qtype_multianswer');
}
}
// $question = qtype_multianswer_extract_question($data['questiontext']);
// if (isset $question->options->questions
if (($this->negative_diff > 0 || $this->used_in_quiz && ($this->negative_diff > 0 || $this->negative_diff < 0 || $this->qtype_change)) && $this->confirm == 0) {
$errors['confirm'] = get_string('confirmsave', 'qtype_multianswer', $this->negative_diff);
}
return $errors;
}
/**
* This method should be overriden if you want to include a special heading or some other
* html on a question editing page besides the question editing form.
*
* @param question_edit_form $mform a child of question_edit_form
* @param object $question
* @param string $wizardnow is '' for first page.
*/
public function display_question_editing_page($mform, $question, $wizardnow)
{
global $OUTPUT;
$heading = $this->get_heading(empty($question->id));
if (get_string_manager()->string_exists('pluginname_help', $this->plugin_name())) {
echo $OUTPUT->heading_with_help($heading, 'pluginname', $this->plugin_name());
} else {
echo $OUTPUT->heading_with_help($heading, $this->name(), $this->plugin_name());
}
//Who cares about that:
// $permissionstrs = array();
// if (!empty($question->id)) {
// if ($question->formoptions->canedit) {
// $permissionstrs[] = get_string('permissionedit', 'question');
// }
// if ($question->formoptions->canmove) {
// $permissionstrs[] = get_string('permissionmove', 'question');
// }
// if ($question->formoptions->cansaveasnew) {
// $permissionstrs[] = get_string('permissionsaveasnew', 'question');
// }
// }
// if (!$question->formoptions->movecontext && count($permissionstrs)) {
// echo $OUTPUT->heading(get_string('permissionto', 'question'), 3);
// $html = '<ul>';
// foreach ($permissionstrs as $permissionstr) {
// $html .= '<li>'.$permissionstr.'</li>';
// }
// $html .= '</ul>';
// echo $OUTPUT->box($html, 'boxwidthnarrow boxaligncenter generalbox');
// }
$mform->display();
}
