Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/exercice/exercice.php

864 lines
41 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* Exercise list: This script shows the list of exercises for administrators and students.
* @package chamilo.exercise
* @author Olivier Brouckaert, original author
* @author Denes Nagy, HotPotatoes integration
* @author Wolfgang Schneider, code/html cleanup
* @author Julio Montoya <gugli100@gmail.com>, lots of cleanup + several improvements
* Modified by hubert.borderiou (question category)
*/
/**
* Code
*/
// name of the language file that needs to be included
$language_file = array('exercice','tracking');
// including the global library
require_once '../inc/global.inc.php';
$current_course_tool = TOOL_QUIZ;
require_once '../gradebook/lib/be.inc.php';
// Setting the tabs
$this_section = SECTION_COURSES;
$htmlHeadXtra[] = api_get_js('qtip2/jquery.qtip.min.js');
$htmlHeadXtra[] = api_get_css(api_get_path(WEB_LIBRARY_PATH).'javascript/qtip2/jquery.qtip.min.css');
// Access control
api_protect_course_script(true);
// including additional libraries
require_once 'exercise.class.php';
require_once 'exercise.lib.php';
require_once 'question.class.php';
require_once 'answer.class.php';
require_once 'testcategory.class.php';
require_once api_get_path(LIBRARY_PATH).'fileManage.lib.php';
require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
require_once 'hotpotatoes.lib.php';
require_once api_get_path(LIBRARY_PATH).'document.lib.php';
require_once api_get_path(LIBRARY_PATH).'mail.lib.inc.php';
require_once api_get_path(LIBRARY_PATH).'groupmanager.lib.php'; // for group filtering
/* Constants and variables */
$is_allowedToEdit = api_is_allowed_to_edit(null,true);
$is_tutor = api_is_allowed_to_edit(true);
$is_tutor_course = api_is_course_tutor();
$TBL_DOCUMENT = Database :: get_course_table(TABLE_DOCUMENT);
$TBL_ITEM_PROPERTY = Database :: get_course_table(TABLE_ITEM_PROPERTY);
$TBL_EXERCICE_QUESTION = Database :: get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_EXERCICES = Database :: get_course_table(TABLE_QUIZ_TEST);
$TBL_TRACK_EXERCICES = Database :: get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$table_lp_item = Database :: get_course_table(TABLE_LP_ITEM);
// document path
$documentPath = api_get_path(SYS_COURSE_PATH) . $_course['path'] . "/document";
// picture path
$picturePath = $documentPath . '/images';
// audio path
$audioPath = $documentPath . '/audio';
// hotpotatoes
$uploadPath = DIR_HOTPOTATOES; //defined in main_api
$exercicePath = api_get_self();
$exfile = explode('/', $exercicePath);
$exfile = strtolower($exfile[sizeof($exfile) - 1]);
$exercicePath = substr($exercicePath, 0, strpos($exercicePath, $exfile));
$exercicePath = $exercicePath . "exercice.php";
// Clear the exercise session
if (isset ($_SESSION['objExercise'])) {
api_session_unregister('objExercise');
}
if (isset ($_SESSION['objQuestion'])) {
api_session_unregister('objQuestion');
}
if (isset ($_SESSION['objAnswer'])) {
api_session_unregister('objAnswer');
}
if (isset ($_SESSION['questionList'])) {
api_session_unregister('questionList');
}
if (isset ($_SESSION['exerciseResult'])) {
api_session_unregister('exerciseResult');
}
//General POST/GET/SESSION/COOKIES parameters recovery
if (empty ($origin)) {
$origin = Security::remove_XSS($_REQUEST['origin']);
}
if (empty ($choice)) {
$choice = $_REQUEST['choice'];
}
if (empty ($hpchoice)) {
$hpchoice = $_REQUEST['hpchoice'];
}
if (empty ($exerciseId)) {
$exerciseId = intval($_REQUEST['exerciseId']);
}
if (empty ($file)) {
$file = Database :: escape_string($_REQUEST['file']);
}
$learnpath_id = intval($_REQUEST['learnpath_id']);
$learnpath_item_id = intval($_REQUEST['learnpath_item_id']);
$page = intval($_REQUEST['page']);
$course_info = api_get_course_info();
$course_id = api_get_course_int_id();
if ($page < 0) {
$page = 1;
}
if (!empty($_GET['gradebook']) && $_GET['gradebook']=='view' ) {
$_SESSION['gradebook']=Security::remove_XSS($_GET['gradebook']);
$gradebook= $_SESSION['gradebook'];
} elseif (empty($_GET['gradebook'])) {
unset($_SESSION['gradebook']);
$gradebook= '';
}
if (!empty($gradebook) && $gradebook=='view') {
$interbreadcrumb[] = array ('url' => '../gradebook/' . $_SESSION['gradebook_dest'],'name' => get_lang('ToolGradebook'));
}
if ($show != 'result') {
$nameTools = get_lang('Exercices');
} else {
if ($is_allowedToEdit || $is_tutor) {
$nameTools = get_lang('StudentScore');
$interbreadcrumb[] = array("url" => "exercice.php?gradebook=$gradebook","name" => get_lang('Exercices'));
$objExerciseTmp = new Exercise();
if ($objExerciseTmp->read($exerciseId)) {
$interbreadcrumb[] = array("url" => "admin.php?exerciseId=".$exerciseId, "name" => $objExerciseTmp->name);
}
} else {
$nameTools = get_lang('YourScore');
$interbreadcrumb[] = array ("url" => "exercice.php?gradebook=$gradebook","name" => get_lang('Exercices'));
}
}
if ($is_allowedToEdit && !empty ($choice) && $choice == 'exportqti2') {
require_once 'export/qti2/qti2_export.php';
$export = export_exercise($exerciseId, true);
require_once api_get_path(LIBRARY_PATH) . 'pclzip/pclzip.lib.php';
$archive_path = api_get_path(SYS_ARCHIVE_PATH);
$temp_dir_short = api_get_unique_id();
$temp_zip_dir = $archive_path . "/" . $temp_dir_short;
if (!is_dir($temp_zip_dir))
mkdir($temp_zip_dir, api_get_permissions_for_new_directories());
$temp_zip_file = $temp_zip_dir . "/" . api_get_unique_id() . ".zip";
$temp_xml_file = $temp_zip_dir . "/qti2export_" . $exerciseId . '.xml';
file_put_contents($temp_xml_file, $export);
$zip_folder = new PclZip($temp_zip_file);
$zip_folder->add($temp_xml_file, PCLZIP_OPT_REMOVE_ALL_PATH);
$name = 'qti2_export_' . $exerciseId . '.zip';
//DocumentManager::string_send_for_download($export,true,'qti2export_'.$exerciseId.'.xml');
DocumentManager :: file_send_for_download($temp_zip_file, true, $name);
unlink($temp_zip_file);
unlink($temp_xml_file);
rmdir($temp_zip_dir);
exit; //otherwise following clicks may become buggy
}
$htmlHeadXtra[] = '<script>
$(document).ready(function() {
//this makes google chrome to crash ...
/* $(".link_tooltip").each(function(){
$(this).qtip({
content: $(this).find(".exercise_tooltip"),
position: { at:"top right", my:"bottom left"},
show: {
event: false,
ready: true // ... but show the tooltip when ready
},
hide: true, //
});
});*/
});
</script>';
if ($origin != 'learnpath') {
//so we are not in learnpath tool
Display :: display_header($nameTools, get_lang('Exercise'));
if (isset ($_GET['message'])) {
if (in_array($_GET['message'], array ('ExerciseEdited'))) {
Display :: display_confirmation_message(get_lang($_GET['message']));
}
}
} else {
//echo '<link rel="stylesheet" type="text/css" href="' . api_get_path(WEB_CODE_PATH) . 'css/default.css"/>';
Display :: display_reduced_header();
}
event_access_tool(TOOL_QUIZ);
// Tool introduction
Display :: display_introduction_section(TOOL_QUIZ);
HotPotGCt($documentPath, 1, api_get_user_id() );
// only for administrator
if ($is_allowedToEdit) {
if (!empty($choice)) {
// construction of Exercise
$objExerciseTmp = new Exercise();
$check = Security::check_token('get');
if ($objExerciseTmp->read($exerciseId)) {
if ($check) {
switch ($choice) {
case 'delete' : // deletes an exercise
$objExerciseTmp->delete();
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/gradebook_functions.inc.php';
$link_id = is_resource_in_course_gradebook(api_get_course_id(), 1 , $exerciseId, api_get_session_id());
if ($link_id !== false) {
remove_resource_from_course_gradebook($link_id);
}
Display :: display_confirmation_message(get_lang('ExerciseDeleted'));
break;
case 'enable' : // enables an exercise
$objExerciseTmp->enable();
$objExerciseTmp->save();
api_item_property_update($course_info, TOOL_QUIZ, $objExerciseTmp->id,'visible', api_get_user_id());
// "WHAT'S NEW" notification: update table item_property (previously last_tooledit)
Display :: display_confirmation_message(get_lang('VisibilityChanged'));
break;
case 'disable' : // disables an exercise
$objExerciseTmp->disable();
$objExerciseTmp->save();
api_item_property_update($course_info, TOOL_QUIZ, $objExerciseTmp->id,'invisible', api_get_user_id());
Display :: display_confirmation_message(get_lang('VisibilityChanged'));
break;
case 'disable_results' : //disable the results for the learners
$objExerciseTmp->disable_results();
$objExerciseTmp->save();
Display :: display_confirmation_message(get_lang('ResultsDisabled'));
break;
case 'enable_results' : //disable the results for the learners
$objExerciseTmp->enable_results();
$objExerciseTmp->save();
Display :: display_confirmation_message(get_lang('ResultsEnabled'));
break;
case 'clean_results' : //clean student results
$quantity_results_deleted= $objExerciseTmp->clean_results();
Display :: display_confirmation_message(sprintf(get_lang('XResultsCleaned'),$quantity_results_deleted));
break;
case 'copy_exercise' : //copy an exercise
$objExerciseTmp->copy_exercise();
Display :: display_confirmation_message(get_lang('ExerciseCopied'));
break;
}
}
}
// destruction of Exercise
unset ($objExerciseTmp);
Security::clear_token();
}
if (!empty($hpchoice)) {
switch($hpchoice) {
case 'delete' : // deletes an exercise
$imgparams = array ();
$imgcount = 0;
GetImgParams($file, $documentPath, $imgparams, $imgcount);
$fld = GetFolderName($file);
for ($i = 0; $i < $imgcount; $i++) {
my_delete($documentPath . $uploadPath . "/" . $fld . "/" . $imgparams[$i]);
update_db_info("delete", $uploadPath . "/" . $fld . "/" . $imgparams[$i]);
}
if (my_delete($documentPath . $file)) {
update_db_info("delete", $file);
}
my_delete($documentPath . $uploadPath . "/" . $fld . "/");
break;
case 'enable' : // enables an exercise
$newVisibilityStatus = "1"; //"visible"
$query = "SELECT id FROM $TBL_DOCUMENT WHERE c_id = $course_id AND path='" . Database :: escape_string($file) . "'";
$res = Database::query($query);
$row = Database :: fetch_array($res, 'ASSOC');
api_item_property_update($_course, TOOL_DOCUMENT, $row['id'], 'visible', $_user['user_id']);
//$dialogBox = get_lang('ViMod');
break;
case 'disable' : // disables an exercise
$newVisibilityStatus = "0"; //"invisible"
$query = "SELECT id FROM $TBL_DOCUMENT WHERE c_id = $course_id AND path='" . Database :: escape_string($file) . "'";
$res = Database::query($query);
$row = Database :: fetch_array($res, 'ASSOC');
api_item_property_update($_course, TOOL_DOCUMENT, $row['id'], 'invisible', $_user['user_id']);
break;
default :
break;
}
}
}
// Actions div bar
if ($is_allowedToEdit) {
echo '<div class="actions">';
}
// Selects $limit exercises at the same time
// maximum number of exercises on a same page
$limit = 50;
// Display the next and previous link if needed
$from = $page * $limit;
HotPotGCt($documentPath, 1, api_get_user_id());
//condition for the session
$session_id = api_get_session_id();
$condition_session = api_get_session_condition($session_id,true,true);
// Only for administrators
if ($is_allowedToEdit) {
$total_sql = "SELECT count(id) as count FROM $TBL_EXERCICES WHERE c_id = $course_id AND active<>'-1' $condition_session ";
$sql = "SELECT * FROM $TBL_EXERCICES WHERE c_id = $course_id AND active<>'-1' $condition_session ORDER BY title LIMIT ".$from."," .$limit;
} else {
// Only for students
$total_sql = "SELECT count(id) as count FROM $TBL_EXERCICES WHERE c_id = $course_id AND active = '1' $condition_session ";
$sql = "SELECT id, title, type, description, results_disabled, session_id, start_time, end_time, max_attempt FROM $TBL_EXERCICES
WHERE c_id = $course_id AND
active='1' $condition_session
ORDER BY title LIMIT ".$from."," .$limit;
}
$result = Database::query($sql);
$exercises_count = Database :: num_rows($result);
$result_total = Database::query($total_sql);
$total_exercises = 0;
if (Database :: num_rows($result_total)) {
$result_total = Database::fetch_array($result_total);
$total_exercises = $result_total['count'];
}
//get HotPotatoes files (active and inactive)
if ($is_allowedToEdit) {
$sql = "SELECT * FROM $TBL_DOCUMENT WHERE c_id = $course_id AND path LIKE '" . Database :: escape_string($uploadPath) . "/%/%'";
$res = Database::query($sql);
$hp_count = Database :: num_rows($res);
} else {
$sql = "SELECT * FROM $TBL_DOCUMENT d, $TBL_ITEM_PROPERTY ip
WHERE d.id = ip.ref AND
ip.tool = '" . TOOL_DOCUMENT . "' AND
d.path LIKE '" . Database :: escape_string($uploadPath) . "/%/%' AND
ip.visibility ='1' AND
d.c_id = ".$course_id." AND
ip.c_id = ".$course_id;
$res = Database::query($sql);
$hp_count = Database :: num_rows($res);
}
$total = $total_exercises + $hp_count;
if ($is_allowedToEdit && $origin != 'learnpath') {
echo '<a href="exercise_admin.php?' . api_get_cidreq() . '">' . Display :: return_icon('new_exercice.png', get_lang('NewEx'),'',ICON_SIZE_MEDIUM).'</a>';
echo '<a href="question_create.php?' . api_get_cidreq() . '">' . Display :: return_icon('new_question.png', get_lang('AddQ'),'',ICON_SIZE_MEDIUM).'</a>';
// Question category
echo '<a href="tests_category.php">';
echo Display::return_icon('question_category_show.gif', get_lang('QuestionCategory'));
echo '</a>';
echo '<a href="question_pool.php">';
echo Display::return_icon('database.png', get_lang('langQuestionPool'), array('style'=>'width:32px'));
echo '</a>';
// end question category
echo '<a href="hotpotatoes.php?' . api_get_cidreq() . '">' . Display :: return_icon('import_hotpotatoes.png', get_lang('ImportHotPotatoesQuiz'),'',ICON_SIZE_MEDIUM).'</a>';
// link to import qti2 ...
echo '<a href="qti2.php?' . api_get_cidreq() . '">' . Display :: return_icon('import_qti2.png', get_lang('ImportQtiQuiz'),'',ICON_SIZE_MEDIUM) .'</a>';
echo '<a href="upload_exercise.php?' . api_get_cidreq() . '">' . Display :: return_icon('import_excel.png', get_lang('ImportExcelQuiz'),'',ICON_SIZE_MEDIUM) .'</a>';
}
if ($is_allowedToEdit) {
echo '</div>'; // closing the actions div
}
if ($total > $limit) {
echo '<div style="float:right;height:20px;">';
//show pages navigation link for previous page
if ($page) {
echo "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&amp;page=" . ($page -1) . "\">" . Display :: return_icon('action_prev.png', get_lang('PreviousPage'))."</a>";
} elseif ($total_exercises + $hp_count > $limit) {
echo Display :: return_icon('action_prev_na.png', get_lang('PreviousPage'));
}
//show pages navigation link for previous page
if ($total_exercises > $from + $limit || $hp_count > $from + $limit ) {
echo ' '."<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&amp;page=" . ($page +1) . "\">" .Display::return_icon('action_next.png', get_lang('NextPage')) . "</a>";
} elseif ($page) {
echo ' '.Display :: return_icon('action_next_na.png', get_lang('NextPage'));
}
echo '</div>';
}
$i =1;
$lis = '';
$online_icon = Display::return_icon('online.png', get_lang('Visible'),array('width'=>'12px'));
$offline_icon = Display::return_icon('offline.png',get_lang('Invisible'),array('width'=>'12px'));
$exercise_list = array();
while ($row = Database :: fetch_array($result,'ASSOC')) {
$exercise_list[] = $row;
}
echo '<table class="'.Display::return_default_table_class().'">';
if (!empty($exercise_list)) {
/* Listing exercises */
if ($origin != 'learnpath') {
//avoid sending empty parameters
$myorigin = (empty ($origin) ? '' : '&origin=' . $origin);
$mylpid = (empty ($learnpath_id) ? '' : '&learnpath_id=' . $learnpath_id);
$mylpitemid = (empty ($learnpath_item_id) ? '' : '&learnpath_item_id=' . $learnpath_item_id);
$token = Security::get_token();
$i=1;
if ($is_allowedToEdit) {
$headers = array(array('name' => get_lang('ExerciseName')),
array('name' => get_lang('QuantityQuestions'), 'params' => array('width'=>'100px')),
array('name' => get_lang('Actions'), 'params' => array('width'=>'180px')));
} else {
$headers = array(array('name' => get_lang('ExerciseName')),
array('name' => get_lang('Status')),
);
}
$header_list = '';
foreach($headers as $header) {
$params = isset($header['params'])? $header['params'] : null;
$header_list .= Display::tag('th', $header['name'], $params);
}
echo Display::tag('tr', $header_list);
$count = 0;
if (!empty($exercise_list))
foreach ($exercise_list as $row) {
$my_exercise_id = $row['id'];
//echo '<div id="tabs-'.$i.'">';
$i++;
//validacion when belongs to a session
$session_img = api_get_session_image($row['session_id'], $_user['status']);
$time_limits = false;
if ($row['start_time'] != '0000-00-00 00:00:00' || $row['end_time'] != '0000-00-00 00:00:00') {
$time_limits = true;
}
if ($time_limits) {
// check if start time
$start_time = false;
if ($row['start_time'] != '0000-00-00 00:00:00') {
$start_time = api_strtotime($row['start_time'],'UTC');
}
$end_time = false;
if ($row['end_time'] != '0000-00-00 00:00:00') {
$end_time = api_strtotime($row['end_time'],'UTC');
}
$now = time();
$is_actived_time = false;
//If both "clocks" are enable
if ($start_time && $end_time) {
if ($now > $start_time && $end_time > $now ) {
$is_actived_time = true;
}
} else {
//we check the start and end
if ($start_time) {
if ($now > $start_time) {
$is_actived_time = true;
}
}
if ($end_time) {
if ($end_time > $now ) {
$is_actived_time = true;
}
}
}
}
//Blocking empty start times see BT#2800
global $_custom;
if (isset($_custom['exercises_hidden_when_no_start_date']) && $_custom['exercises_hidden_when_no_start_date']) {
if (empty($row['start_time']) || $row['start_time'] == '0000-00-00 00:00:00') {
$time_limits = true;
$is_actived_time = false;
}
}
$cut_title = cut($row['title'], EXERCISE_MAX_NAME_SIZE);
$alt_title = '';
if ($cut_title != $row['title']) {
$alt_title = ' title = "'.$row['title'].'" ';
}
// Teacher only
if ($is_allowedToEdit) {
$show_quiz_edition = true;
$sql="SELECT max_score FROM $table_lp_item
WHERE c_id = $course_id AND
item_type = '".TOOL_QUIZ."' AND
path ='".Database::escape_string($row['id'])."'";
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
$show_quiz_edition = false;
}
$lp_blocked = '';
if (!$show_quiz_edition) {
$lp_blocked = Display::label(get_lang('AddedToALP'), 'info');
}
//Showing exercise title
if ($session_id == $row['session_id']) {
//Settings
//echo Display::url(Display::return_icon('settings.png',get_lang('Edit'), array('width'=>'22px'))." ".get_lang('Edit'), 'exercise_admin.php?'.api_get_cidreq().'&modifyExercise=yes&exerciseId='.$row['id']);
}
if ($row['active'] == 0) {
$title = Display::tag('font', $cut_title, array('style'=>'color:grey'));
} else {
$title = $cut_title;
}
$count = intval(count_exercise_result_not_validated($my_exercise_id, $course_code, $session_id));
$class_tip = '';
if (!empty($count)) {
$results_text = $count == 1 ? get_lang('ResultNotRevised') : get_lang('ResultsNotRevised');
$title .= '<span class="exercise_tooltip" style="display: none;">'.$count.' '.$results_text.' </span>';
$class_tip = 'link_tooltip';
}
$url = '<a '.$alt_title.' class="'.$class_tip.'" id="tooltip_'.$row['id'].'" href="overview.php?'.api_get_cidreq().$myorigin.$mylpid.$mylpitemid.'&exerciseId='.$row['id'].'"><img src="../img/quiz.gif" /> '.$title.' </a>';
$item = Display::tag('td', $url.' '.$session_img.$lp_blocked);
//count number exercice - teacher
$sqlquery = "SELECT count(*) FROM $TBL_EXERCICE_QUESTION WHERE c_id = $course_id AND exercice_id = $my_exercise_id";
$sqlresult = Database::query($sqlquery);
$rowi = Database :: result($sqlresult, 0);
if ($session_id == $row['session_id']) {
//Settings
$actions = Display::url(Display::return_icon('edit.png',get_lang('Edit'),'',ICON_SIZE_SMALL), 'admin.php?'.api_get_cidreq().'&exerciseId='.$row['id']);
//Exercise results
$actions .='<a href="exercise_report.php?' . api_get_cidreq() . '&exerciseId='.$row['id'].'">'.Display :: return_icon('test_results.png', get_lang('Results'),'',ICON_SIZE_SMALL).'</a>';
//Export
$actions .= Display::url(Display::return_icon('cd.gif', get_lang('CopyExercise')), '', array('onclick'=>"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('AreYouSureToCopy'),ENT_QUOTES,$charset))." ".addslashes($row['title'])."?"."')) return false;",'href'=>'exercice.php?'.api_get_cidreq().'&choice=copy_exercise&sec_token='.$token.'&exerciseId='.$row['id']));
//Clean exercise
$actions .= Display::url(Display::return_icon('clean.png', get_lang('CleanStudentResults'),'',ICON_SIZE_SMALL),'', array('onclick'=>"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('AreYouSureToDeleteResults'),ENT_QUOTES,$charset))." ".addslashes($row['title'])."?"."')) return false;",'href'=>'exercice.php?'.api_get_cidreq().'&choice=clean_results&sec_token='.$token.'&exerciseId='.$row['id']));
//Visible / invisible
if ($row['active']) {
$actions .= Display::url(Display::return_icon('visible.png', get_lang('Deactivate'),'',ICON_SIZE_SMALL) , 'exercice.php?'.api_get_cidreq().'&choice=disable&sec_token='.$token.'&page='.$page.'&exerciseId='.$row['id']);
} else { // else if not active
$actions .= Display::url(Display::return_icon('invisible.png', get_lang('Activate'),'',ICON_SIZE_SMALL) , 'exercice.php?'.api_get_cidreq().'&choice=enable&sec_token='.$token.'&page='.$page.'&exerciseId='.$row['id']);
}
// Export qti ...
$actions .= Display::url(Display::return_icon('export_qti2.png','IMS/QTI','',ICON_SIZE_SMALL), 'exercice.php?choice=exportqti2&exerciseId='.$row['id']);
} else {
// not session
$actions = Display::return_icon('edit_na.png', get_lang('ExerciseEditionNotAvailableInSession'));
$actions .='<a href="exercise_report.php?' . api_get_cidreq() . '&exerciseId='.$row['id'].'">'.Display :: return_icon('test_results.png', get_lang('Results'),'',ICON_SIZE_SMALL).'</a>';
$actions .= Display::url(Display::return_icon('cd.gif', get_lang('CopyExercise')), '', array('onclick'=>"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('AreYouSureToCopy'),ENT_QUOTES,$charset))." ".addslashes($row['title'])."?"."')) return false;",'href'=>'exercice.php?'.api_get_cidreq().'&choice=copy_exercise&sec_token='.$token.'&exerciseId='.$row['id']));
}
//Delete
if ($session_id == $row['session_id']) {
$actions .= Display::url(Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL), '', array('onclick'=>"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('AreYouSureToDelete'),ENT_QUOTES,$charset))." ".addslashes($row['title'])."?"."')) return false;",'href'=>'exercice.php?'.api_get_cidreq().'&choice=delete&sec_token='.$token.'&exerciseId='.$row['id']));
}
// Number of questions
$random_label = '';
if ($row['random'] > 0 || $row['random'] == -1) {
// if random == -1 means use random questions with all questions
$random_number_of_question = $row['random'];
if ($random_number_of_question == -1) {
$random_number_of_question = $rowi;
}
if ($row['random_by_category'] > 0) {
if (!class_exists("testcategory.class.php")) include_once "testcategory.class.php" ;
$nbQuestionsTotal = Testcategory::getNumberOfQuestionRandomByCategory($my_exercise_id, $random_number_of_question);
$number_of_questions = $nbQuestionsTotal." ";
$number_of_questions .= ($nbQuestionsTotal > 1) ? get_lang("QuestionsLowerCase") : get_lang("QuestionLowerCase") ;
$number_of_questions .= " - ";
//$number_of_questions .= Testcategory::getNumberMaxQuestionByCat($my_exercise_id).' '.get_lang('QuestionByCategory');
$number_of_questions .= min(Testcategory::getNumberMaxQuestionByCat($my_exercise_id), $random_number_of_question).' '.get_lang('QuestionByCategory');
} else {
$random_label = ' ('.get_lang('Random').') ';
$number_of_questions = $random_number_of_question . ' ' .$random_label.' '.$textByCategory;
//Bug if we set a random value bigger than the real number of questions
if ($random_number_of_question > $rowi) {
$number_of_questions = $rowi. ' ' .$random_label;
}
}
} else {
$number_of_questions = $rowi;
}
//Attempts
//$attempts = get_count_exam_results($row['id']).' '.get_lang('Attempts');
//$item .= Display::tag('td',$attempts);
$item .= Display::tag('td', $number_of_questions);
} else {
// --- Student only
// if time is actived show link to exercise
if ($time_limits) {
if ($is_actived_time) {
$url = '<a '.$alt_title.' href="overview.php?'.api_get_cidreq().$myorigin.$mylpid.$mylpitemid.'&exerciseId='.$row['id'].'">'.$cut_title.'</a>';
} else {
$url = $row['title'];
}
} else {
$url = '<a '.$alt_title.' href="overview.php?'.api_get_cidreq().$myorigin.$mylpid.$mylpitemid.'&exerciseId='.$row['id'].'">'.$cut_title.'</a>';
}
//Link of the exercise
$item = Display::tag('td',$url.' '.$session_img);
//count number exercise questions
$sqlquery = "SELECT count(*) FROM $TBL_EXERCICE_QUESTION WHERE c_id = $course_id AND exercice_id = ".$row['id'];
$sqlresult = Database::query($sqlquery);
$rowi = Database::result($sqlresult, 0);
if ($row['random'] > 0) {
$row['random'] . ' ' . api_strtolower(get_lang(($row['random'] > 1 ? 'Questions' : 'Question')));
} else {
//show results student
$rowi . ' ' . api_strtolower(get_lang(($rowi > 1 ? 'Questions' : 'Question')));
}
//This query might be improved later on by ordering by the new "tms" field rather than by exe_id
//Don't remove this marker: note-query-exe-results
$qry = "SELECT * FROM $TBL_TRACK_EXERCICES
WHERE exe_exo_id = ".$row['id']." AND
exe_user_id = ".api_get_user_id()." AND
exe_cours_id = '".api_get_course_id()."' AND
status <> 'incomplete' AND
orig_lp_id = 0 AND
orig_lp_item_id = 0 AND
session_id = '" . api_get_session_id() . "'
ORDER BY exe_id DESC";
$qryres = Database::query($qry);
$num = Database :: num_rows($qryres);
//Hide the results
$my_result_disabled = $row['results_disabled'];
//Time limits are on
if ($time_limits) {
// Examn is ready to be taken
if ($is_actived_time) {
//Show results
if ($my_result_disabled == 0 || $my_result_disabled == 2) {
//More than one attempt
if ($num > 0) {
$row_track = Database :: fetch_array($qryres);
$attempt_text = get_lang('LatestAttempt') . ' : ';
$attempt_text .= show_score($row_track['exe_result'], $row_track['exe_weighting']);
} else {
//No attempts
$attempt_text = get_lang('NotAttempted');
}
} else {
$attempt_text = get_lang('CantShowResults');
}
} else {
//Quiz not ready due to time limits
//@todo use the is_visible function
if ($row['start_time'] != '0000-00-00 00:00:00' && $row['end_time'] != '0000-00-00 00:00:00') {
$attempt_text = sprintf(get_lang('ExerciseWillBeActivatedFromXToY'), api_convert_and_format_date($row['start_time']), api_convert_and_format_date($row['end_time']));
} else {
//$attempt_text = get_lang('ExamNotAvailableAtThisTime');
if ($row['start_time'] != '0000-00-00 00:00:00') {
$attempt_text = sprintf(get_lang('ExerciseAvailableFromX'), api_convert_and_format_date($row['start_time']));
}
if ($row['end_time'] != '0000-00-00 00:00:00') {
$attempt_text = sprintf(get_lang('ExerciseAvailableUntilX'), api_convert_and_format_date($row['end_time']));
}
}
}
} else {
//Normal behaviour
//Show results
if ($my_result_disabled == 0 || $my_result_disabled == 2) {
if ($num > 0) {
$row_track = Database :: fetch_array($qryres);
$attempt_text = get_lang('LatestAttempt') . ' : ';
$attempt_text .= show_score($row_track['exe_result'], $row_track['exe_weighting']);
} else {
$attempt_text = get_lang('NotAttempted');
}
} else {
$attempt_text = get_lang('CantShowResults');
}
}
$class_tip = '';
if (empty($num)) {
$num = '';
} else {
$class_tip = 'link_tooltip';
//@todo use sprintf and show the results validated by the teacher
if ($num == 1 ) {
$num = $num.' '.get_lang('Result');
} else {
$num = $num.' '.get_lang('Results');
}
$num = '<span class="tooltip" style="display: none;">'.$num.'</span>';
}
$item .= Display::tag('td', $attempt_text);
//See results
//$actions = '<a class="'.$class_tip.'" id="tooltip_'.$row['id'].'" href="exercise_report.php?' . api_get_cidreq() . '&exerciseId='.$row['id'].'">'.$num.Display::return_icon('test_results.png', get_lang('Results'),'',ICON_SIZE_SMALL).' </a>';
}
$class = 'row_even';
if ($count % 2) {
$class = 'row_odd';
}
if ($is_allowedToEdit) {
$item .= Display::tag('td', $actions, array('class' => 'td_actions'));
}
echo Display::tag('tr',$item, array('class'=>$class));
$count++;
} // end foreach()
}
} else {
if ($is_allowedToEdit && $origin != 'learnpath') {
echo '<div id="no-data-view">';
echo '<h2>'.get_lang('Quiz').'</h2>';
echo Display::return_icon('quiz.png', '', array(), 64);
echo '<div class="controls">';
echo Display::url(get_lang('NewEx'), 'exercise_admin.php?' . api_get_cidreq(), array('class' => 'btn'));
echo '</div>';
echo '</div>';
}
}
// end exercise list
//Hotpotatoes results
if ($is_allowedToEdit) {
$sql = "SELECT d.path as path, d.comment as comment, ip.visibility as visibility
FROM $TBL_DOCUMENT d, $TBL_ITEM_PROPERTY ip
WHERE d.c_id = $course_id AND
ip.c_id = $course_id AND
d.id = ip.ref AND
ip.tool = '" . TOOL_DOCUMENT . "' AND
(d.path LIKE '%htm%') AND
d.path LIKE '" . Database :: escape_string($uploadPath) . "/%/%'
LIMIT " .$from . "," .$limit; // only .htm or .html files listed
} else {
$sql = "SELECT d.path as path, d.comment as comment, ip.visibility as visibility
FROM $TBL_DOCUMENT d, $TBL_ITEM_PROPERTY ip
WHERE d.c_id = $course_id AND
ip.c_id = $course_id AND
d.id = ip.ref AND ip.tool = '" . TOOL_DOCUMENT . "' AND (d.path LIKE '%htm%')
AND d.path LIKE '" . Database :: escape_string($uploadPath) . "/%/%' AND ip.visibility='1'
LIMIT " .$from . "," .$limit;
}
$result = Database::query($sql);
while ($row = Database :: fetch_array($result, 'ASSOC')) {
$attribute['path'][] = $row['path'];
$attribute['visibility'][] = $row['visibility'];
$attribute['comment'][] = $row['comment'];
}
$nbrActiveTests = 0;
if (isset($attribute['path']) && is_array($attribute['path'])) {
while (list($key, $path) = each($attribute['path'])) {
$item = '';
list ($a, $vis) = each($attribute['visibility']);
if (strcmp($vis, "1") == 0) {
$active = 1;
} else {
$active = 0;
}
$title = GetQuizName($path, $documentPath);
if ($title == '') {
$title = basename($path);
}
$class = 'row_even';
if ($count % 2) {
$class = 'row_odd';
}
// prof only
if ($is_allowedToEdit) {
$item = Display::tag('td','<img src="../img/hotpotatoes_s.png" alt="HotPotatoes" /> <a href="showinframes.php?file='.$path.'&cid='.api_get_course_id().'&uid='.api_get_user_id().'"'.(!$active?'class="invisible"':'').'>'.$title.'</a> ');
$item .= Display::tag('td','-');
$actions = Display::url(Display::return_icon('edit.png',get_lang('Edit'),'',ICON_SIZE_SMALL), 'adminhp.php?'.api_get_cidreq().'&hotpotatoesName='.$path);
$actions .='<a href="exercise_report.php?' . api_get_cidreq() . '&path='.$path.'">' . Display :: return_icon('test_results.png', get_lang('Results'),'',ICON_SIZE_SMALL).'</a>';
// if active
if ($active) {
$nbrActiveTests = $nbrActiveTests +1;
$actions .= ' <a href="'.$exercicePath.'?'.api_get_cidreq().'&hpchoice=disable&amp;page='.$page.'&amp;file='.$path.'">'.Display::return_icon('visible.png', get_lang('Deactivate'),'',ICON_SIZE_SMALL).'</a>';
} else { // else if not active
$actions .=' <a href="'.$exercicePath.'?'.api_get_cidreq().'&hpchoice=enable&amp;page='.$page.'&amp;file='.$path.'">'.Display::return_icon('invisible.png', get_lang('Activate'),'',ICON_SIZE_SMALL).'</a>';
}
$actions .= '<a href="'.$exercicePath.'?'.api_get_cidreq().'&amp;hpchoice=delete&amp;file='.$path.'" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('AreYouSureToDelete'),ENT_QUOTES,$charset).' '.$title."?").'\')) return false;">'.Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).'</a>';
//$actions .='<img src="../img/lp_quiz_na.gif" border="0" title="'.get_lang('NotMarkActivity').'" alt="" />';
$item .= Display::tag('td', $actions);
echo Display::tag('tr',$item, array('class'=>$class));
} else { // student only
if ($active == 1) {
$nbrActiveTests = $nbrActiveTests +1;
$item .= Display::tag('td', '<a href="showinframes.php?'.api_get_cidreq().'&file='.$path.'&cid='.api_get_course_id().'&uid='.api_get_user_id().'"'.(!$active?'class="invisible"':'').'">'.$title.'</a>');
$item .= Display::tag('td', '');
$actions ='<a href="exercise_report.php?' . api_get_cidreq() . '&path='.$path.'">' . Display :: return_icon('test_results.png', get_lang('Results'),'',ICON_SIZE_SMALL).'</a>';
$item .= Display::tag('td', $actions);
echo Display::tag('tr',$item, array('class'=>$class));
}
}
$count ++;
}
}
echo '</table>';
Display :: display_footer();
exit;
if ($origin != 'learnpath') { //so we are not in learnpath tool
Display :: display_footer();
}