public/main/exercise/UniqueAnswerImage.php
<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
/**
* UniqueAnswerImage.
*
* @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
*/
class UniqueAnswerImage extends UniqueAnswer
{
public $typePicture = 'uaimg.png';
public $explanationLangVar = 'Unique answer image';
public function __construct()
{
parent::__construct();
$this->type = UNIQUE_ANSWER_IMAGE;
$this->isContent = $this->getIsContent();
}
public function createAnswersForm($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 = '<th width="20%">'.get_lang('Comment').'</th>';
$feedbackTitle = '<th width="20%">'.get_lang('Scenario').'</th>';
break;
case EXERCISE_FEEDBACK_TYPE_POPUP:
$commentTitle = '<th width="20%">'.get_lang('Comment').'</th>';
break;
default:
$commentTitle = '<th width="40%">'.get_lang('Comment').'</th>';
break;
}
$html = '<div class="alert alert-success" role="alert">'.
get_lang('Images will be resized (up or down) to 200x150 pixels. For a better rendering of the question, we recommend you upload only images of this size.')
.'</div>';
$zoomOptions = api_get_setting('exercise.quiz_image_zoom', true);
if (isset($zoomOptions['options'])) {
$finderFolder = api_get_path(WEB_PATH).'vendor/studio-42/elfinder/';
$html .= '<!-- elFinder CSS (REQUIRED) -->';
$html .= '<link rel="stylesheet" type="text/css" media="screen"
href="'.$finderFolder.'css/elfinder.full.css">';
$html .= '<link rel="stylesheet" type="text/css" media="screen" href="'.$finderFolder.'css/theme.css">';
$html .= '<!-- elFinder JS (REQUIRED) -->';
$html .= '<script type="text/javascript" src="'.$finderFolder.'js/elfinder.full.js"></script>';
$html .= '<!-- elFinder translation (OPTIONAL) -->';
$language = 'en';
$platformLanguage = api_get_language_isocode();
$iso = api_get_language_isocode($platformLanguage);
$filePart = "vendor/studio-42/elfinder/js/i18n/elfinder.$iso.js";
$file = api_get_path(SYS_PATH).$filePart;
$includeFile = '';
if (file_exists($file)) {
$includeFile = '<script type="text/javascript" src="'.api_get_path(WEB_PATH).$filePart.'"></script>';
$language = $iso;
}
$html .= $includeFile;
$html .= '<script type="text/javascript" charset="utf-8">
$(function() {
$(".add_img_link").on("click", function(e){
e.preventDefault();
e.stopPropagation();
var name = $(this).prop("name");
var id = parseInt(name.match(/[0-9]+/));
$([document.documentElement, document.body]).animate({
scrollTop: $("#elfinder").offset().top
}, 1000);
var elf = $("#elfinder").elfinder({
url : "'.api_get_path(WEB_LIBRARY_PATH).'elfinder/connectorAction.php?'.api_get_cidreq().'",
getFileCallback: function(file) {
var filePath = file; //file contains the relative url.
var imageZoom = filePath.url;
var iname = "answer["+id+"]";
CKEDITOR.instances[iname].insertHtml(\'
<img
id="zoom_picture"
class="zoom_picture"
src="\'+imageZoom+\'"
data-zoom-image="\'+imageZoom+\'"
width="200px"
height="150px"
/>\');
$("#elfinder").elfinder("destroy"); //close the window after image is selected
},
startPathHash: "l2_Lw", // Sets the course driver as default
resizable: false,
lang: "'.$language.'"
}).elfinder("instance"+id);
});
});
</script>';
$html .= '<div id="elfinder"></div>';
}
$html .= '<table class="table table-striped table-hover">
<thead>
<tr>
<th>'.get_lang('N°').'</th>
<th>'.get_lang('True').'</th>
<th>'.get_lang('Answer').'</th>
'.$commentTitle.'
'.$feedbackTitle.'
<th>'.get_lang('Score').'</th>
</tr>
</thead>
<tbody>';
$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 = [];
$selectQuestion[0] = get_lang('Select target question');
if (is_array($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('Exit test');
$list = new LearnpathList(api_get_user_id());
$flatList = $list->get_flat_list();
$selectLpId = [];
$selectLpId[0] = get_lang('Select target course');
foreach ($flatList as $id => $details) {
$selectLpId[$id] = cut($details['lp_name'], 20);
}
$tempScenario = [];
if ($numberAnswers < 1) {
$numberAnswers = 1;
echo Display::return_message(get_lang('You have to create at least one answer'));
}
for ($i = 1; $i <= $numberAnswers; $i++) {
$form->addHtml('<tr>');
if (isset($answer) && is_object($answer)) {
if (isset($answer->correct[$i]) && $answer->correct[$i]) {
$correct = $i;
}
$defaults['answer['.$i.']'] = $answer->answer[$i] ?? '';
$defaults['comment['.$i.']'] = $answer->comment[$i] ?? '';
$defaults['weighting['.$i.']'] = isset($answer->weighting[$i]) ? float_format($answer->weighting[$i], 1) : 0;
$itemList = [];
if (isset($answer->destination[$i])) {
$itemList = explode('@@', $answer->destination[$i]);
}
$try = $itemList[0] ?? '';
$lp = $itemList[1] ?? '';
$listDestination = $itemList[2] ?? '';
$url = $itemList[3] ?? '';
$tryResult = 0;
if (0 != $try) {
$tryResult = 1;
}
$urlResult = '';
if (0 != $url) {
$urlResult = $url;
}
$tempScenario['url'.$i] = $urlResult;
$tempScenario['try'.$i] = $tryResult;
$tempScenario['lp'.$i] = $lp;
$tempScenario['destination'.$i] = $listDestination;
} else {
$defaults['answer[1]'] = get_lang('A then B then C');
$defaults['weighting[1]'] = 10;
$defaults['answer[2]'] = get_lang('A then C then B');
$defaults['weighting[2]'] = 0;
$tempScenario['destination'.$i] = ['0'];
$tempScenario['lp'.$i] = ['0'];
}
$defaults['scenario'] = $tempScenario;
$renderer = $form->defaultRenderer();
$renderer->setElementTemplate(
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
'correct'
);
$renderer->setElementTemplate(
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
'counter['.$i.']'
);
$renderer->setElementTemplate(
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}'.
(isset($zoomOptions['options']) ?
'<br><div class="form-group ">
<label for="question_admin_form_btn_add_img['.$i.']" class="col-sm-2 control-label"></label>
<div class="col-sm-8">
<button class="add_img_link btn btn--info btn-sm"
name="btn_add_img['.$i.']"
type="submit"
id="question_admin_form_btn_add_img['.$i.']">
<em class="fa fa-plus"></em> '.get_lang('AddImageWithZoom').'
</button>
</div>
<div class="col-sm-2"></div>
</div>' : '').'</td>',
'answer['.$i.']'
);
$renderer->setElementTemplate(
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
'comment['.$i.']'
);
$renderer->setElementTemplate(
'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
'weighting['.$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('Required field'), '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('</tr>');
}
$form->addHtml('</tbody>');
$form->addHtml('</table>');
global $text;
$buttonGroup = [];
if (true == $objExercise->edit_exercise_in_lp ||
(empty($this->exerciseList) && empty($objExercise->id))
) {
//setting the save button here and not in the question class.php
$buttonGroup[] = $form->addButtonDelete(get_lang('Remove answer option'), 'lessAnswers', true);
$buttonGroup[] = $form->addButtonCreate(get_lang('Add answer option'), '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 (0 == $correct) {
$correct = 1;
}
$defaults['correct'] = $correct;
if (!empty($this->id)) {
$form->setDefaults($defaults);
} else {
if (1 == $this->isContent) {
// Default sample content.
$form->setDefaults($defaults);
} else {
$form->setDefaults(['correct' => 1]);
}
}
$form->setConstants(['nb_answers' => $numberAnswers]);
}
public function processAnswersCreation($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(['<p>', '</p>'], '', $form->getSubmitValue('answer['.$i.']')));
$comment = trim(str_replace(['<p>', '</p>'], '', $form->getSubmitValue('comment['.$i.']')));
$weighting = trim($form->getSubmitValue('weighting['.$i.']'));
$scenario = $form->getSubmitValue('scenario');
$try = null;
$lp = null;
$destination = null;
$url = null;
//$listDestination = $form -> getSubmitValue('destination'.$i);
//$destinationStr = $form -> getSubmitValue('destination'.$i);
$try = $scenario['try'.$i] ?? null;
$lp = $scenario['lp'.$i] ?? null;
$destination = $scenario['destination'.$i] ?? null;
$url = trim($scenario['url'.$i] ?? null);
/*
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);
}
}