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303 lines
12 KiB
303 lines
12 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* Upload quiz: This script shows the upload quiz feature
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* Initial work by Isaac flores on Nov 4 of 2010
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* Encoding fixes Julio Montoya
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* @package chamilo.exercise
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*/
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/**
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* Language files that should be included
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*/
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$language_file[] = 'learnpath';
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$language_file[] = 'exercice';
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// setting the help
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$help_content = 'exercise_upload';
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// including the global Dokeos file
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require_once '../inc/global.inc.php';
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require_once api_get_path(LIBRARY_PATH) . 'fileUpload.lib.php';
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require_once api_get_path(LIBRARY_PATH) . 'pear/excelreader/reader.php';
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require_once 'exercise.class.php';
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require_once 'question.class.php';
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require_once 'unique_answer.class.php';
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require_once '../newscorm/learnpath.class.php';
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require_once '../newscorm/learnpathItem.class.php';
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// Security check
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$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
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if (!$is_allowed_to_edit) {
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api_not_allowed(true);
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}
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// setting the tabs
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$this_section = SECTION_COURSES;
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$htmlHeadXtra[] = "<script type='text/javascript'>
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$(document).ready( function(){
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$(\"div.formw\").attr(\"style\",\"width: 73%;\");
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$(\"#img_plus_and_minus\").hide();
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});
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</script>";
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// Action handling
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lp_upload_quiz_action_handling();
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$interbreadcrumb[]= array ("url"=>"exercice.php", "name"=> get_lang('Exercices'));
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// Display the header
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if ($origin != 'learnpath') {
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//so we are not in learnpath tool
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Display :: display_header(get_lang('ImportExcelQuiz'), 'Exercises');
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if (isset ($_GET['message'])) {
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if (in_array($_GET['message'], array ('ExerciseEdited'))) {
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Display :: display_confirmation_message(get_lang($_GET['message']));
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}
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}
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} else {
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echo '<link rel="stylesheet" type="text/css" href="' . api_get_path(WEB_CODE_PATH) . 'css/default.css"/>';
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}
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// display the actions
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echo '<div class="actions">';
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echo lp_upload_quiz_actions();
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echo '</div>';
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// start the content div
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echo '<div id="content_with_secondary_actions" class="gradient">';
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// the main content
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lp_upload_quiz_main();
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// close the content div
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echo '</div>';
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function lp_upload_quiz_actions() {
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$lp_id = Security::remove_XSS($_GET['lp_id']);
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$return = "";
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$return .= '<a href="exercice.php?'.api_get_cidReq().'">'.Display::return_icon('back.png', get_lang('BackToExercisesList'),'',ICON_SIZE_MEDIUM).'</a>';
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return $return;
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}
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function lp_upload_quiz_secondary_actions() {
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$lp_id = Security::remove_XSS($_GET['lp_id']);
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$return.= '';
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$return.='<a href="exercise_report.php?' . api_get_cidreq() . '">' . Display :: return_icon('reporting32.png', get_lang('Tracking')) . get_lang('Tracking') . '</a>';
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return $return;
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}
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function lp_upload_quiz_main() {
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// variable initialisation
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$lp_id = Security::remove_XSS($_GET['lp_id']);
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$form = new FormValidator('upload', 'POST', api_get_self() . '?' . api_get_cidreq() . '&lp_id=' . $lp_id, '', 'enctype="multipart/form-data"');
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$form->addElement('html', '<div><h3>' .Display::return_icon('import_excel.png', get_lang('ImportExcelQuiz'), array('style'=>'margin-bottom:-2px;'),ICON_SIZE_MEDIUM). get_lang('ImportExcelQuiz') . '</h3></div>');
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$form->addElement('file', 'user_upload_quiz', '');
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//button send document
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$form->addElement('style_submit_button', 'submit_upload_quiz', get_lang('Send'), 'class="upload"');
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// Display the upload field
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echo '<table style="text-align: left; width: 100%;" border="0" cellpadding="2"cellspacing="2"><tbody><tr>';
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echo '<td style="vertical-align: top; width: 25%;">';
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echo '<a href="../exercice/quiz_template.xls">'.Display::return_icon('export_excel.png', get_lang('DownloadExcelTemplate'),null,16).get_lang('DownloadExcelTemplate').'';
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echo '</a>';
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echo '</td>';
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echo '</tr>';
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echo '<tr><td>';
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$form->display();
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echo '</td></tr></tbody></table>';
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}
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/**
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* Handles a given Excel spreadsheets as in the template provided
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*/
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function lp_upload_quiz_action_handling() {
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global $_course, $debug;
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if (!isset($_POST['submit_upload_quiz'])) {
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return;
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}
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// Get the extension of the document.
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$path_info = pathinfo($_FILES['user_upload_quiz']['name']);
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// Check if the document is an Excel document
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if ($path_info['extension'] != 'xls') {
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return;
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}
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// Read the Excel document
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$data = new Spreadsheet_Excel_Reader();
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// Set output Encoding.
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$data->setOutputEncoding(api_get_system_encoding());
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// Reading the xls document.
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$data->read($_FILES['user_upload_quiz']['tmp_name']);
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// Variables
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$quiz_index = 0;
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$question_title_index = array();
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$question_name_index_init = array();
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$question_name_index_end = array();
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$score_index = array();
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$feedback_true_index = array();
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$feedback_false_index = array();
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$number_questions = 0;
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// Reading all the first column items sequencially to create breakpoints
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for ($i = 1; $i <= $data->sheets[0]['numRows']; $i++) {
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if ($data->sheets[0]['cells'][$i][1] == 'Quiz' && $i == 1) {
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$quiz_index = $i; // Quiz title position, only occurs once
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} elseif ($data->sheets[0]['cells'][$i][1] == 'Question') {
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$question_title_index[] = $i; // Question title position line
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$question_name_index_init[] = $i + 1; // Questions name 1st position line
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$number_questions++;
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} elseif ($data->sheets[0]['cells'][$i][1] == 'Score') {
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$question_name_index_end[] = $i - 1; // Question name position
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$score_index[] = $i; // Question score position
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} elseif ($data->sheets[0]['cells'][$i][1] == 'FeedbackTrue') {
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$feedback_true_index[] = $i; // FeedbackTrue position (line)
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} elseif ($data->sheets[0]['cells'][$i][1] == 'FeedbackFalse') {
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$feedback_false_index[] = $i; // FeedbackFalse position (line)
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}
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}
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// Variables
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$quiz = array();
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$question = array();
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$answer = array();
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$new_answer = array();
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$score_list = array();
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$feedback_true_list = array();
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$feedback_false_list = array();
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// Get questions
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$k = $z = $q = $l = 0;
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for ($i = 1; $i <= $data->sheets[0]['numRows']; $i++) {
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if (is_array($data->sheets[0]['cells'][$i])) {
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$column_data = $data->sheets[0]['cells'][$i];
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// Fill all column with data to have a full array
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for ($x = 1; $x <= $data->sheets[0]['numCols']; $x++) {
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if (empty($column_data[$x])) {
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$data->sheets[0]['cells'][$i][$x] = '';
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}
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}
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// Array filled with data
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$column_data = $data->sheets[0]['cells'][$i];
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} else {
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$column_data = '';
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}
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// Fill quiz data
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if ($quiz_index == $i) { // The title always in the first position
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$quiz = $column_data;
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} elseif (in_array($i, $question_title_index)) {
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$question[$k] = $column_data; //a complete line where 1st column is 'Question'
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$k++;
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} elseif (in_array($i, $score_index)) {
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$score_list[$z] = $column_data; //a complete line where 1st column is 'Score'
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$z++;
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} elseif (in_array($i, $feedback_true_index)) {
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$feedback_true_list[$q] = $column_data;//a complete line where 1st column is 'FeedbackTrue'
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$q++;
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} elseif (in_array($i, $feedback_false_index)) {
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$feedback_false_list[$l] = $column_data;//a complete line where 1st column is 'FeedbackFalse' for wrong answers
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$l++;
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}
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}
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// Get answers
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for ($i = 0; $i < count($question_name_index_init); $i++) {
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for ($j = $question_name_index_init[$i]; $j <= $question_name_index_end[$i]; $j++) {
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if (is_array($data->sheets[0]['cells'][$j])) {
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$column_data = $data->sheets[0]['cells'][$j];
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// Fill all column with data
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for ($x = 1; $x <= $data->sheets[0]['numCols']; $x++) {
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if (empty($column_data[$x])) {
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$data->sheets[0]['cells'][$j][$x] = '';
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}
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}
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$column_data = $data->sheets[0]['cells'][$j];
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// Array filled of data
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if (is_array($data->sheets[0]['cells'][$j]) && count($data->sheets[0]['cells'][$j]) > 0) {
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$new_answer[$i][$j] = $data->sheets[0]['cells'][$j];
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}
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}
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}
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}
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$quiz_title = $quiz[2]; // Quiz title
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if ($quiz_title != '') {
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// Variables
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$type = 2;
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$random = $active = $results = $max_attempt = $expired_time = 0;
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//make sure feedback is enabled (3 to disable), otherwise the fields
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// added to the XLS are not shown, which is confusing
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$feedback = 0;
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// Quiz object
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$quiz_object = new Exercise();
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$quiz_id = $quiz_object->create_quiz(($quiz_title), $expired_time, $type, $random, $active, $results, $max_attempt, $feedback);
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// insert into the item_property table
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api_item_property_update($_course, TOOL_QUIZ, $quiz_id, 'QuizAdded', api_get_user_id());
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// Import questions
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for ($i = 0; $i < $number_questions; $i++) {
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// Create questions
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$question_title = $question[$i][2]; // Question name
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if ($question_title != '') {
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$question_id = Question::create_question($quiz_id, ($question_title));
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}
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$unique_answer = new UniqueAnswer();
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if (is_array($new_answer[$i])) {
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$id = 1;
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$answers_data = $new_answer[$i];
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foreach ($answers_data as $answer_data) {
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$answer = $answer_data[2];
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$correct = 0;
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$score = 0;
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$comment = '';
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if (strtolower($answer_data[3]) == 'x') {
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$correct = 1;
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$score = $score_list[$i][3];
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$comment = $feedback_true_list[$i][2];
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} else {
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$comment = $feedback_false_list[$i][2];
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}
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/*
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if ($id == 1) {
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$comment = $feedback_true_list[$i][2];
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} elseif ($id == 2) {
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$comment = $feedback_false_list[$i][2];
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}
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*/
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// Create answer
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$unique_answer->create_answer($id, $question_id, ($answer), ($comment), $score, $correct);
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$id++;
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}
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}
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}
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if (isset($_SESSION['lpobject'])) {
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if ($debug > 0) {
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error_log('New LP - SESSION[lpobject] is defined', 0);
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}
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$oLP = unserialize($_SESSION['lpobject']);
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if (is_object($oLP)) {
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if ($debug > 0) {
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error_log('New LP - oLP is object', 0);
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}
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if ((empty($oLP->cc)) OR $oLP->cc != api_get_course_id()) {
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if ($debug > 0) {
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error_log('New LP - Course has changed, discard lp object', 0);
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}
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$oLP = null;
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api_session_unregister('oLP');
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api_session_unregister('lpobject');
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} else {
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$_SESSION['oLP'] = $oLP;
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$lp_found = true;
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}
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}
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}
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if (isset($_SESSION['oLP']) && isset($_GET['lp_id'])) {
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$previous = $_SESSION['oLP']->select_previous_item_id();
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$parent = 0;
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// Add a Quiz as Lp Item
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$_SESSION['oLP']->add_item($parent, $previous, TOOL_QUIZ, $quiz_id, ($quiz_title), '');
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// Redirect to home page for add more content
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header('location: ../newscorm/lp_controller.php?' . api_get_cidreq() . '&action=add_item&type=step&lp_id=' . Security::remove_XSS($_GET['lp_id']).'&session_id='.api_get_session_id());
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exit;
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} else {
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// header('location: exercice.php?' . api_get_cidreq());
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echo '<script>window.location.href = "admin.php?'.api_get_cidReq().'&exerciseId='.$quiz_id.'&session_id='.api_get_session_id().'"</script>';
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}
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}
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}
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