*/
class UniqueAnswerImage extends UniqueAnswer
{
public static $typePicture = 'uaimg.png';
public static $explanationLangVar = 'UniqueAnswerImage';
/**
* UniqueAnswerImage constructor.
*/
public function __construct()
{
parent::__construct();
$this->type = UNIQUE_ANSWER_IMAGE;
$this->isContent = $this->getIsContent();
}
/**
* {@inheritdoc}
*
* @throws Exception
*/
public function createAnswersForm($form)
{
$objExercise = Session::read('objExercise');
$editorConfig = [
'ToolbarSet' => 'TestProposedAnswer',
'Width' => '100%',
'Height' => '125',
];
//this line defines how many questions by default appear when creating a choice question
// The previous default value was 2. See task #1759.
$numberAnswers = isset($_POST['nb_answers']) ? (int) $_POST['nb_answers'] : 4;
$numberAnswers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
$feedbackTitle = '';
switch ($objExercise->getFeedbackType()) {
case EXERCISE_FEEDBACK_TYPE_DIRECT:
// Scenario
$commentTitle = '| '.get_lang('Comment').' | ';
$feedbackTitle = ''.get_lang('Scenario').' | ';
break;
case EXERCISE_FEEDBACK_TYPE_POPUP:
$commentTitle = ''.get_lang('Comment').' | ';
break;
default:
$commentTitle = ''.get_lang('Comment').' | ';
break;
}
$html = ''.
get_lang('UniqueAnswerImagePreferredSize200x150').'
';
$html .= '
| '.get_lang('Number').' |
'.get_lang('True').' |
'.get_lang('Answer').' |
'.$commentTitle.'
'.$feedbackTitle.'
'.get_lang('Weighting').' |
';
$form->addHeader(get_lang('Answers'));
$form->addHtml($html);
$defaults = [];
$correct = 0;
if (!empty($this->id)) {
$answer = new Answer($this->id);
$answer->read();
if ($answer->nbrAnswers > 0 && !$form->isSubmitted()) {
$numberAnswers = $answer->nbrAnswers;
}
}
$form->addElement('hidden', 'nb_answers');
//Feedback SELECT
$questionList = $objExercise->selectQuestionList();
$selectQuestion = [];
$selectQuestion[0] = get_lang('SelectTargetQuestion');
if (is_array($questionList)) {
foreach ($questionList as $key => $questionid) {
//To avoid warning messages
if (!is_numeric($questionid)) {
continue;
}
$question = Question::read($questionid);
$questionTitle = strip_tags($question->selectTitle());
$selectQuestion[$questionid] = "Q$key: $questionTitle";
}
}
$selectQuestion[-1] = get_lang('ExitTest');
$list = new LearnpathList(api_get_user_id());
$flatList = $list->get_flat_list();
$selectLpId = [];
$selectLpId[0] = get_lang('SelectTargetLP');
foreach ($flatList as $id => $details) {
$selectLpId[$id] = cut($details['lp_name'], 20);
}
$tempScenario = [];
if ($numberAnswers < 1) {
$numberAnswers = 1;
echo Display::return_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
}
for ($i = 1; $i <= $numberAnswers; $i++) {
$form->addHtml('');
if (isset($answer) && is_object($answer)) {
if ($answer->correct[$i]) {
$correct = $i;
}
$defaults['answer['.$i.']'] = $answer->answer[$i];
$defaults['comment['.$i.']'] = $answer->comment[$i];
$defaults['weighting['.$i.']'] = float_format(
$answer->weighting[$i],
1
);
$itemList = explode('@@', $answer->destination[$i]);
$try = $itemList[0];
$lp = $itemList[1];
$listDestination = $itemList[2];
$url = $itemList[3];
$tryResult = 0;
if ($try != 0) {
$tryResult = 1;
}
$urlResult = '';
if ($url != 0) {
$urlResult = $url;
}
$tempScenario['url'.$i] = $urlResult;
$tempScenario['try'.$i] = $tryResult;
$tempScenario['lp'.$i] = $lp;
$tempScenario['destination'.$i] = $listDestination;
} else {
$defaults['answer[1]'] = get_lang('DefaultUniqueAnswer1');
$defaults['weighting[1]'] = 10;
$defaults['answer[2]'] = get_lang('DefaultUniqueAnswer2');
$defaults['weighting[2]'] = 0;
$tempScenario['destination'.$i] = ['0'];
$tempScenario['lp'.$i] = ['0'];
}
$defaults['scenario'] = $tempScenario;
$renderer = $form->defaultRenderer();
$renderer->setElementTemplate(
'{error}
{element} | ',
'correct'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'counter['.$i.']'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'answer['.$i.']'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'comment['.$i.']'
);
$renderer->setElementTemplate(
'{error}
{element} | ',
'weighting['.$i.']'
);
$answerNumber = $form->addElement('text', 'counter['.$i.']', null, ' value = "'.$i.'"');
$answerNumber->freeze();
$form->addElement('radio', 'correct', null, null, $i, 'class="checkbox"');
$form->addHtmlEditor('answer['.$i.']', null, null, false, $editorConfig);
$form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
switch ($objExercise->getFeedbackType()) {
case EXERCISE_FEEDBACK_TYPE_DIRECT:
$this->setDirectOptions($i, $form, $renderer, $selectLpId, $selectQuestion);
break;
case EXERCISE_FEEDBACK_TYPE_POPUP:
default:
$form->addHtmlEditor('comment['.$i.']', null, null, false, $editorConfig);
break;
}
$form->addText('weighting['.$i.']', null, null, ['class' => 'col-md-1', 'value' => '0']);
$form->addHtml('
');
}
$form->addHtml('');
$form->addHtml('
');
global $text;
$buttonGroup = [];
if ($objExercise->edit_exercise_in_lp == true ||
(empty($this->exerciseList) && empty($objExercise->id))
) {
//setting the save button here and not in the question class.php
$buttonGroup[] = $form->addButtonDelete(get_lang('LessAnswer'), 'lessAnswers', true);
$buttonGroup[] = $form->addButtonCreate(get_lang('PlusAnswer'), 'moreAnswers', true);
$buttonGroup[] = $form->addButtonSave($text, 'submitQuestion', true);
$form->addGroup($buttonGroup);
}
// We check the first radio button to be sure a radio button will be check
if ($correct == 0) {
$correct = 1;
}
$defaults['correct'] = $correct;
if (!empty($this->id)) {
$form->setDefaults($defaults);
} else {
if ($this->isContent == 1) {
// Default sample content.
$form->setDefaults($defaults);
} else {
$form->setDefaults(['correct' => 1]);
}
}
$form->setConstants(['nb_answers' => $numberAnswers]);
}
/**
* {@inheritdoc}
*/
public function processAnswersCreation($form, $exercise)
{
$questionWeighting = $nbrGoodAnswers = 0;
$correct = $form->getSubmitValue('correct');
$objAnswer = new Answer($this->id);
$numberAnswers = $form->getSubmitValue('nb_answers');
for ($i = 1; $i <= $numberAnswers; $i++) {
$answer = trim(str_replace(['', '
'], '', $form->getSubmitValue('answer['.$i.']')));
$comment = trim(str_replace(['', '
'], '', $form->getSubmitValue('comment['.$i.']')));
$weighting = trim($form->getSubmitValue('weighting['.$i.']'));
$scenario = $form->getSubmitValue('scenario');
//$listDestination = $form -> getSubmitValue('destination'.$i);
//$destinationStr = $form -> getSubmitValue('destination'.$i);
$try = $scenario['try'.$i];
$lp = $scenario['lp'.$i];
$destination = $scenario['destination'.$i];
$url = trim($scenario['url'.$i]);
/*
How we are going to parse the destination value
here we parse the destination value which is a string
1@@3@@2;4;4;@@http://www.chamilo.org
where: try_again@@lp_id@@selected_questions@@url
try_again = is 1 || 0
lp_id = id of a learning path (0 if dont select)
selected_questions= ids of questions
url= an url
$destinationStr='';
foreach ($listDestination as $destination_id)
{
$destinationStr.=$destination_id.';';
} */
$goodAnswer = $correct == $i ? true : false;
if ($goodAnswer) {
$nbrGoodAnswers++;
$weighting = abs($weighting);
if ($weighting > 0) {
$questionWeighting += $weighting;
}
}
if (empty($try)) {
$try = 0;
}
if (empty($lp)) {
$lp = 0;
}
if (empty($destination)) {
$destination = 0;
}
if ($url == '') {
$url = 0;
}
//1@@1;2;@@2;4;4;@@http://www.chamilo.org
$dest = $try.'@@'.$lp.'@@'.$destination.'@@'.$url;
$objAnswer->createAnswer(
$answer,
$goodAnswer,
$comment,
$weighting,
$i,
null,
null,
$dest
);
}
// saves the answers into the data base
$objAnswer->save();
// sets the total weighting of the question
$this->updateWeighting($questionWeighting);
$this->save($exercise);
}
/**
* {@inheritdoc}
*/
public function return_header(Exercise $exercise, $counter = null, $score = [])
{
if ($exercise->showExpectedChoice()) {
$header = '
| '.get_lang('Choice').' | ';
if ($exercise->showExpectedChoiceColumn()) {
$header .= ''.get_lang('ExpectedChoice').' | ';
}
$header .= ''.get_lang('Answer').' | ';
$header .= ''.get_lang('Status').' | ';
$header .= ''.get_lang('Comment').' | ';
$header .= '
';
} else {
$header = parent::return_header($exercise, $counter, $score);
}
return $header;
}
}