/**
* abstract function which creates the form to create / edit the answers of the question
* @param FormValidator $form
*/
function processAnswersCreation($form)
{
global $charset;
$answer = $form->getSubmitValue('answer');
//remove the :: eventually written by the user
$answer = str_replace('::', '', $answer);
// get the blanks weightings
$nb = preg_match_all('/\\[[^\\]]*\\]/', $answer, $blanks);
if (isset($_GET['editQuestion'])) {
$this->weighting = 0;
}
if ($nb > 0) {
$answer .= '::';
for ($i = 0; $i < $nb; ++$i) {
$blankItem = $blanks[0][$i];
$replace = array("[", "]");
$newBlankItem = str_replace($replace, "", $blankItem);
$newBlankItem = "[" . trim($newBlankItem) . "]";
$answer = str_replace($blankItem, $newBlankItem, $answer);
$answer .= $form->getSubmitValue('weighting[' . $i . ']') . ',';
$this->weighting += $form->getSubmitValue('weighting[' . $i . ']');
}
$answer = api_substr($answer, 0, -1);
}
$is_multiple = $form->getSubmitValue('multiple_answer');
$answer .= '@' . $is_multiple;
$this->save();
$objAnswer = new answer($this->id);
$objAnswer->createAnswer($answer, 0, '', 0, '1');
$objAnswer->save();
}
/**
* abstract function which creates the form to create / edit the answers of the question
* @param FormValidator $form
*/
function processAnswersCreation($form)
{
if (!self::isAnswered()) {
$table = Database::get_course_table(TABLE_QUIZ_ANSWER);
Database::delete($table, array('c_id = ? AND question_id = ?' => array($this->course['real_id'], $this->id)));
$answer = $form->getSubmitValue('answer');
$formula = $form->getSubmitValue('formula');
$lowestValues = $form->getSubmitValue('lowestValue');
$highestValues = $form->getSubmitValue('highestValue');
$answerVariations = $form->getSubmitValue('answerVariations');
$this->weighting = $form->getSubmitValue('weighting');
// Create as many answers as $answerVariations
for ($j = 0; $j < $answerVariations; $j++) {
$auxAnswer = $answer;
$auxFormula = $formula;
$nb = preg_match_all('/\\[[^\\]]*\\]/', $auxAnswer, $blanks);
if ($nb > 0) {
for ($i = 0; $i < $nb; ++$i) {
$blankItem = $blanks[0][$i];
$replace = array("[", "]");
$newBlankItem = str_replace($replace, "", $blankItem);
$newBlankItem = "[" . trim($newBlankItem) . "]";
// take random float values when one or both edge values have a decimal point
$randomValue = strpos($lowestValues[$i], '.') !== false || strpos($highestValues[$i], '.') !== false ? mt_rand($lowestValues[$i] * 100, $highestValues[$i] * 100) / 100 : mt_rand($lowestValues[$i], $highestValues[$i]);
$auxAnswer = str_replace($blankItem, $randomValue, $auxAnswer);
$auxFormula = str_replace($blankItem, $randomValue, $auxFormula);
}
require_once api_get_path(LIBRARY_PATH) . 'evalmath.class.php';
$math = new EvalMath();
$result = $math->evaluate($auxFormula);
$result = number_format($result, 2, ".", "");
// Remove decimal trailing zeros
$result = rtrim($result, "0");
// If it is an integer (ends in .00) remove the decimal point
if (mb_substr($result, -1) === ".") {
$result = str_replace(".", "", $result);
}
// Attach formula
$auxAnswer .= " [" . $result . "]@@" . $formula;
}
$this->save();
$objAnswer = new answer($this->id);
$objAnswer->createAnswer($auxAnswer, 1, '', $this->weighting, null);
$objAnswer->position = array();
$objAnswer->save();
}
}
}
/**
* abstract function which creates the form to create / edit the answers of the question
* @param the formvalidator instance
*/
function processAnswersCreation($form)
{
global $charset;
$answer = $form->getSubmitValue('answer');
//Due the fckeditor transform the elements to their HTML value
$answer = api_html_entity_decode($answer, ENT_QUOTES, $charset);
//remove the :: eventually written by the user
$answer = str_replace('::', '', $answer);
// get the blanks weightings
$nb = preg_match_all('/\\[[^\\]]*\\]/', $answer, $blanks);
if (isset($_GET['editQuestion'])) {
$this->weighting = 0;
}
if ($nb > 0) {
$answer .= '::';
for ($i = 0; $i < $nb; ++$i) {
$answer .= $form->getSubmitValue('weighting[' . $i . ']') . ',';
$this->weighting += $form->getSubmitValue('weighting[' . $i . ']');
}
$answer = api_substr($answer, 0, -1);
}
$is_multiple = $form->getSubmitValue('multiple_answer');
$answer .= '@' . $is_multiple;
$this->save();
$objAnswer = new answer($this->id);
$objAnswer->createAnswer($answer, 0, '', 0, '');
$objAnswer->save();
}
