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428
main/exercise/UniqueAnswerImage.php
Normal file
428
main/exercise/UniqueAnswerImage.php
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<?php
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/* For licensing terms, see /license.txt */
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use ChamiloSession as Session;
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/**
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* UniqueAnswerImage.
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*
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* @author Angel Fernando Quiroz Campos <angel.quiroz@beeznest.com>
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*/
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class UniqueAnswerImage extends UniqueAnswer
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{
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public $typePicture = 'uaimg.png';
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public $explanationLangVar = 'UniqueAnswerImage';
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/**
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* UniqueAnswerImage constructor.
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*/
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public function __construct()
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{
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parent::__construct();
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$this->type = UNIQUE_ANSWER_IMAGE;
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$this->isContent = $this->getIsContent();
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}
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/**
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* {@inheritdoc}
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*
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* @throws Exception
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*/
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public function createAnswersForm($form)
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{
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$objExercise = Session::read('objExercise');
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$editorConfig = [
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'ToolbarSet' => 'TestProposedAnswer',
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'Width' => '100%',
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'Height' => '125',
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];
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//this line defines how many questions by default appear when creating a choice question
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// The previous default value was 2. See task #1759.
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$numberAnswers = isset($_POST['nb_answers']) ? (int) $_POST['nb_answers'] : 4;
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$numberAnswers += (isset($_POST['lessAnswers']) ? -1 : (isset($_POST['moreAnswers']) ? 1 : 0));
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$feedbackTitle = '';
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switch ($objExercise->getFeedbackType()) {
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case EXERCISE_FEEDBACK_TYPE_DIRECT:
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// Scenario
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$commentTitle = '<th width="20%">'.get_lang('Comment').'</th>';
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$feedbackTitle = '<th width="20%">'.get_lang('Scenario').'</th>';
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break;
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case EXERCISE_FEEDBACK_TYPE_POPUP:
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$commentTitle = '<th width="20%">'.get_lang('Comment').'</th>';
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break;
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default:
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$commentTitle = '<th width="40%">'.get_lang('Comment').'</th>';
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break;
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}
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$html = '<div class="alert alert-success" role="alert">'.
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get_lang('UniqueAnswerImagePreferredSize200x150').'</div>';
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$zoomOptions = api_get_configuration_value('quiz_image_zoom');
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if (isset($zoomOptions['options'])) {
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$finderFolder = api_get_path(WEB_PATH).'vendor/studio-42/elfinder/';
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$html .= '<!-- elFinder CSS (REQUIRED) -->';
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$html .= '<link rel="stylesheet" type="text/css" media="screen"
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href="'.$finderFolder.'css/elfinder.full.css">';
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$html .= '<link rel="stylesheet" type="text/css" media="screen" href="'.$finderFolder.'css/theme.css">';
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$html .= '<!-- elFinder JS (REQUIRED) -->';
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$html .= '<script type="text/javascript" src="'.$finderFolder.'js/elfinder.full.js"></script>';
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$html .= '<!-- elFinder translation (OPTIONAL) -->';
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$language = 'en';
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$platformLanguage = api_get_interface_language();
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$iso = api_get_language_isocode($platformLanguage);
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$filePart = "vendor/studio-42/elfinder/js/i18n/elfinder.$iso.js";
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$file = api_get_path(SYS_PATH).$filePart;
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$includeFile = '';
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if (file_exists($file)) {
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$includeFile = '<script type="text/javascript" src="'.api_get_path(WEB_PATH).$filePart.'"></script>';
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$language = $iso;
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}
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$html .= $includeFile;
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$html .= '<script type="text/javascript" charset="utf-8">
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$(function() {
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$(".add_img_link").on("click", function(e){
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e.preventDefault();
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e.stopPropagation();
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var name = $(this).prop("name");
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var id = parseInt(name.match(/[0-9]+/));
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$([document.documentElement, document.body]).animate({
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scrollTop: $("#elfinder").offset().top
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}, 1000);
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var elf = $("#elfinder").elfinder({
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url : "'.api_get_path(WEB_LIBRARY_PATH).'elfinder/connectorAction.php?'.api_get_cidreq().'",
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getFileCallback: function(file) {
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var filePath = file; //file contains the relative url.
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var imageZoom = filePath.url;
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var iname = "answer["+id+"]";
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CKEDITOR.instances[iname].insertHtml(\'
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<img
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id="zoom_picture"
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class="zoom_picture"
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src="\'+imageZoom+\'"
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data-zoom-image="\'+imageZoom+\'"
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width="200px"
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height="150px"
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/>\');
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$("#elfinder").elfinder("destroy"); //close the window after image is selected
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},
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startPathHash: "l2_Lw", // Sets the course driver as default
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resizable: false,
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lang: "'.$language.'"
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}).elfinder("instance"+id);
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});
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});
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</script>';
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$html .= '<div id="elfinder"></div>';
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}
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$html .= '<table class="table table-striped table-hover">
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<thead>
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<tr style="text-align: center;">
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<th width="10">'.get_lang('Number').'</th>
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<th>'.get_lang('True').'</th>
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<th>'.get_lang('Answer').'</th>
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'.$commentTitle.'
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'.$feedbackTitle.'
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<th width="15">'.get_lang('Weighting').'</th>
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</tr>
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</thead>
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<tbody>';
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$form->addHeader(get_lang('Answers'));
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$form->addHtml($html);
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$defaults = [];
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$correct = 0;
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if (!empty($this->iid)) {
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$answer = new Answer($this->iid);
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$answer->read();
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if ($answer->nbrAnswers > 0 && !$form->isSubmitted()) {
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$numberAnswers = $answer->nbrAnswers;
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}
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}
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$form->addElement('hidden', 'nb_answers');
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//Feedback SELECT
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$questionList = $objExercise->selectQuestionList();
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$selectQuestion = [];
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$selectQuestion[0] = get_lang('SelectTargetQuestion');
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if (is_array($questionList)) {
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foreach ($questionList as $key => $questionid) {
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//To avoid warning messages
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if (!is_numeric($questionid)) {
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continue;
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}
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$question = Question::read($questionid);
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$questionTitle = strip_tags($question->selectTitle());
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$selectQuestion[$questionid] = "Q$key: $questionTitle";
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}
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}
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$selectQuestion[-1] = get_lang('ExitTest');
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$list = new LearnpathList(api_get_user_id());
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$flatList = $list->get_flat_list();
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$selectLpId = [];
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$selectLpId[0] = get_lang('SelectTargetLP');
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foreach ($flatList as $id => $details) {
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$selectLpId[$id] = cut($details['lp_name'], 20);
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}
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$tempScenario = [];
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if ($numberAnswers < 1) {
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$numberAnswers = 1;
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echo Display::return_message(get_lang('YouHaveToCreateAtLeastOneAnswer'));
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}
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for ($i = 1; $i <= $numberAnswers; $i++) {
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$form->addHtml('<tr>');
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if (isset($answer) && is_object($answer)) {
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if (isset($answer->correct[$i]) && $answer->correct[$i]) {
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$correct = $i;
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}
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$defaults['answer['.$i.']'] = $answer->answer[$i] ?? '';
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$defaults['comment['.$i.']'] = $answer->comment[$i] ?? '';
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$defaults['weighting['.$i.']'] = isset($answer->weighting[$i]) ? float_format($answer->weighting[$i], 1) : 0;
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$itemList = [];
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if (isset($answer->destination[$i])) {
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$itemList = explode('@@', $answer->destination[$i]);
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}
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$try = $itemList[0] ?? '';
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$lp = $itemList[1] ?? '';
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$listDestination = $itemList[2] ?? '';
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$url = $itemList[3] ?? '';
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$tryResult = 0;
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if (0 != $try) {
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$tryResult = 1;
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}
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$urlResult = '';
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if (0 != $url) {
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$urlResult = $url;
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}
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$tempScenario['url'.$i] = $urlResult;
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$tempScenario['try'.$i] = $tryResult;
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$tempScenario['lp'.$i] = $lp;
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$tempScenario['destination'.$i] = $listDestination;
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} else {
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$defaults['answer[1]'] = get_lang('DefaultUniqueAnswer1');
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$defaults['weighting[1]'] = 10;
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$defaults['answer[2]'] = get_lang('DefaultUniqueAnswer2');
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$defaults['weighting[2]'] = 0;
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$tempScenario['destination'.$i] = ['0'];
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$tempScenario['lp'.$i] = ['0'];
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}
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$defaults['scenario'] = $tempScenario;
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$renderer = $form->defaultRenderer();
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'correct'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'counter['.$i.']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}'.
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(isset($zoomOptions['options']) ?
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'<br><div class="form-group ">
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<label for="question_admin_form_btn_add_img['.$i.']" class="col-sm-2 control-label"></label>
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<div class="col-sm-8">
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<button class="add_img_link btn btn-info btn-sm"
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name="btn_add_img['.$i.']"
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type="submit"
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id="question_admin_form_btn_add_img['.$i.']">
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<em class="fa fa-plus"></em> '.get_lang('AddImageWithZoom').'
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</button>
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</div>
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<div class="col-sm-2"></div>
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</div>' : '').'</td>',
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'answer['.$i.']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'comment['.$i.']'
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);
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$renderer->setElementTemplate(
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'<td><!-- BEGIN error --><span class="form_error">{error}</span><!-- END error --><br/>{element}</td>',
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'weighting['.$i.']'
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);
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$answerNumber = $form->addElement('text', 'counter['.$i.']', null, ' value = "'.$i.'"');
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$answerNumber->freeze();
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$form->addElement('radio', 'correct', null, null, $i, 'class="checkbox"');
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$form->addHtmlEditor('answer['.$i.']', null, null, false, $editorConfig);
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$form->addRule('answer['.$i.']', get_lang('ThisFieldIsRequired'), 'required');
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switch ($objExercise->getFeedbackType()) {
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case EXERCISE_FEEDBACK_TYPE_DIRECT:
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$this->setDirectOptions($i, $form, $renderer, $selectLpId, $selectQuestion);
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break;
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case EXERCISE_FEEDBACK_TYPE_POPUP:
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default:
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$form->addHtmlEditor('comment['.$i.']', null, null, false, $editorConfig);
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break;
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}
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$form->addText('weighting['.$i.']', null, null, ['class' => 'col-md-1', 'value' => '0']);
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$form->addHtml('</tr>');
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}
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$form->addHtml('</tbody>');
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$form->addHtml('</table>');
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global $text;
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$buttonGroup = [];
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if ($objExercise->edit_exercise_in_lp == true ||
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(empty($this->exerciseList) && empty($objExercise->iid))
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) {
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//setting the save button here and not in the question class.php
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$buttonGroup[] = $form->addButtonDelete(get_lang('LessAnswer'), 'lessAnswers', true);
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$buttonGroup[] = $form->addButtonCreate(get_lang('PlusAnswer'), 'moreAnswers', true);
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$buttonGroup[] = $form->addButtonSave($text, 'submitQuestion', true);
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$form->addGroup($buttonGroup);
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}
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// We check the first radio button to be sure a radio button will be check
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if (0 == $correct) {
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$correct = 1;
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}
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$defaults['correct'] = $correct;
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if (!empty($this->iid)) {
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$form->setDefaults($defaults);
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} else {
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if (1 == $this->isContent) {
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// Default sample content.
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$form->setDefaults($defaults);
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} else {
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$form->setDefaults(['correct' => 1]);
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}
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}
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$form->setConstants(['nb_answers' => $numberAnswers]);
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}
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/**
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* {@inheritdoc}
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*/
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public function processAnswersCreation($form, $exercise)
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{
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$questionWeighting = $nbrGoodAnswers = 0;
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$correct = $form->getSubmitValue('correct');
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$objAnswer = new Answer($this->iid);
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$numberAnswers = $form->getSubmitValue('nb_answers');
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for ($i = 1; $i <= $numberAnswers; $i++) {
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$answer = trim(str_replace(['<p>', '</p>'], '', $form->getSubmitValue('answer['.$i.']')));
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$comment = trim(str_replace(['<p>', '</p>'], '', $form->getSubmitValue('comment['.$i.']')));
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$weighting = trim($form->getSubmitValue('weighting['.$i.']'));
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$scenario = $form->getSubmitValue('scenario');
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$try = null;
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$lp = null;
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$destination = null;
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$url = null;
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//$listDestination = $form -> getSubmitValue('destination'.$i);
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//$destinationStr = $form -> getSubmitValue('destination'.$i);
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if (!empty($scenario)) {
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$try = $scenario['try'.$i];
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$lp = $scenario['lp'.$i];
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$destination = $scenario['destination'.$i];
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$url = trim($scenario['url'.$i]);
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}
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/*
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How we are going to parse the destination value
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here we parse the destination value which is a string
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1@@3@@2;4;4;@@http://www.chamilo.org
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where: try_again@@lp_id@@selected_questions@@url
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try_again = is 1 || 0
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lp_id = id of a learning path (0 if dont select)
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selected_questions= ids of questions
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url= an url
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$destinationStr='';
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foreach ($listDestination as $destination_id)
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{
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$destinationStr.=$destination_id.';';
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} */
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$goodAnswer = $correct == $i ? true : false;
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if ($goodAnswer) {
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$nbrGoodAnswers++;
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$weighting = abs($weighting);
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if ($weighting > 0) {
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$questionWeighting += $weighting;
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}
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}
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if (empty($try)) {
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$try = 0;
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}
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if (empty($lp)) {
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$lp = 0;
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}
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if (empty($destination)) {
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$destination = 0;
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}
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if ($url == '') {
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$url = 0;
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}
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//1@@1;2;@@2;4;4;@@http://www.chamilo.org
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$dest = $try.'@@'.$lp.'@@'.$destination.'@@'.$url;
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$objAnswer->createAnswer(
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$answer,
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$goodAnswer,
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$comment,
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$weighting,
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$i,
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null,
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null,
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$dest
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);
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}
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// saves the answers into the data base
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$objAnswer->save();
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// sets the total weighting of the question
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$this->updateWeighting($questionWeighting);
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$this->save($exercise);
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}
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}
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