type = FILL_IN_BLANKS;
$this -> isContent = $this-> getIsContent();
}
/**
* function which redefines Question::createAnswersForm
* @param the formvalidator instance
*/
function createAnswersForm($form)
{
$defaults = array();
if (!empty($this->id)) {
$objAnswer = new Answer($this->id);
// the question is encoded like this
// [A] B [C] D [E] F::10,10,10@1
// number 1 before the "@" means that is a switchable fill in blank question
// [A] B [C] D [E] F::10,10,10@ or [A] B [C] D [E] F::10,10,10
// means that is a normal fill blank question
$pre_array = explode('::', $objAnswer->selectAnswer(1));
//make sure we only take the last bit to find special marks
$sz = count($pre_array);
$is_set_switchable = explode('@', $pre_array[$sz-1]);
if ($is_set_switchable[1]) {
$defaults['multiple_answer'] = 1;
} else {
$defaults['multiple_answer'] = 0;
}
//Take the complete string except after the last '::'
$defaults['answer'] = '';
for ($i=0; $i<($sz-1); $i++) {
$defaults['answer'] .= $pre_array[$i];
}
$a_weightings = explode(',', $is_set_switchable[0]);
} else {
$defaults['answer'] = get_lang('DefaultTextInBlanks');
}
$setValues = null;
if (isset($a_weightings) && count($a_weightings) > 0) {
foreach ($a_weightings as $i => $weighting) {
$setValues .= 'document.getElementById("weighting['.$i.']").value = "'.$weighting.'";';
}
}
// javascript
echo '';
// answer
$form->addElement('label', null, '
'.get_lang('TypeTextBelow').', '.get_lang('And').' '.get_lang('UseTagForBlank'));
$form->addElement(
'html_editor',
'answer',
'
',
array(
'id' => 'answer',
'onkeyup' => '"javascript: updateBlanks(this);"'
),
array('ToolbarSet' => 'TestQuestionDescription', 'Height' => '350'));
$form->addRule('answer', get_lang('GiveText'),'required');
$form->addRule('answer', get_lang('DefineBlanks'),'regex','/\[.*\]/');
//added multiple answers
$form->addElement('checkbox', 'multiple_answer','', get_lang('FillInBlankSwitchable'));
$form->addElement('html', '');
global $text, $class;
// setting the save button here and not in the question class.php
$form->addButtonSave($text, 'submitQuestion');
if (!empty($this->id)) {
$form -> setDefaults($defaults);
} else {
if ($this->isContent == 1) {
$form->setDefaults($defaults);
}
}
}
/**
* 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();
}
/**
* @param null $feedback_type
* @param null $counter
* @param null $score
* @return null|string
*/
function return_header($feedback_type = null, $counter = null, $score = null)
{
$header = parent::return_header($feedback_type, $counter, $score);
$header .= '
| '.get_lang("Answer").' |
';
return $header;
}
}