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

1308 lines
54 KiB

<?php
/* For licensing terms, see /license.txt */
use ChamiloSession as Session;
/**
* 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)
*/
// including the global library
require_once __DIR__.'/../inc/global.inc.php';
$current_course_tool = TOOL_QUIZ;
// Setting the tabs
$this_section = SECTION_COURSES;
$htmlHeadXtra[] = api_get_asset('qtip2/jquery.qtip.min.js');
$htmlHeadXtra[] = api_get_css_asset('qtip2/jquery.qtip.min.css');
// Access control
api_protect_course_script(true);
require_once 'hotpotatoes.lib.php';
/* 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();
$courseInfo = api_get_course_info();
$courseId = $courseInfo['real_id'];
$userInfo = api_get_user_info();
$userId = $userInfo['id'];
$sessionId = api_get_session_id();
$isDrhOfCourse = CourseManager::isUserSubscribedInCourseAsDrh(
$userId,
$courseInfo
);
$TBL_DOCUMENT = Database::get_course_table(TABLE_DOCUMENT);
$TBL_ITEM_PROPERTY = Database::get_course_table(TABLE_ITEM_PROPERTY);
$TBL_EXERCISE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
$TBL_EXERCISES = Database::get_course_table(TABLE_QUIZ_TEST);
$TBL_TRACK_EXERCISES = Database::get_main_table(TABLE_STATISTIC_TRACK_E_EXERCISES);
// document path
$documentPath = api_get_path(SYS_COURSE_PATH).$courseInfo['path']."/document";
// picture path
$picturePath = $documentPath.'/images';
// audio path
$audioPath = $documentPath.'/audio';
// hot potatoes
$uploadPath = DIR_HOTPOTATOES; //defined in main_api
$exercisePath = api_get_self();
$exfile = explode('/', $exercisePath);
$exfile = strtolower($exfile[sizeof($exfile) - 1]);
$exercisePath = substr($exercisePath, 0, strpos($exercisePath, $exfile));
$exercisePath = $exercisePath."exercise.php";
// Clear the exercise session
Session::erase('objExercise');
Session::erase('objQuestion');
Session::erase('objAnswer');
Session::erase('questionList');
Session::erase('exerciseResult');
Session::erase('firstTime');
//General POST/GET/SESSION/COOKIES parameters recovery
$origin = api_get_origin();
$choice = isset($_REQUEST['choice']) ? Security::remove_XSS($_REQUEST['choice']) : null;
$hpchoice = isset($_REQUEST['hpchoice']) ? Security::remove_XSS($_REQUEST['hpchoice']) : null;
$exerciseId = isset($_REQUEST['exerciseId']) ? (int) $_REQUEST['exerciseId'] : null;
$file = isset($_REQUEST['file']) ? Database::escape_string($_REQUEST['file']) : null;
$learnpath_id = isset($_REQUEST['learnpath_id']) ? intval($_REQUEST['learnpath_id']) : null;
$learnpath_item_id = isset($_REQUEST['learnpath_item_id']) ? intval($_REQUEST['learnpath_item_id']) : null;
$page = isset($_REQUEST['page']) ? intval($_REQUEST['page']) : null;
if ($page < 0) {
$page = 1;
}
if (api_is_in_gradebook()) {
$interbreadcrumb[] = array(
'url' => Category::getUrl(),
'name' => get_lang('ToolGradebook')
);
}
$nameTools = get_lang('Exercises');
$errorXmlExport = null;
if ($is_allowedToEdit && !empty($choice) && $choice == 'exportqti2') {
require_once api_get_path(SYS_CODE_PATH).'exercise/export/qti2/qti2_export.php';
$export = export_exercise_to_qti($exerciseId, true);
$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);
$xmlReader = new XMLReader();
$xmlReader->open($temp_xml_file);
$xmlReader->setParserProperty(XMLReader::VALIDATE, true);
$isValid = $xmlReader->isValid();
if ($isValid) {
$zip_folder = new PclZip($temp_zip_file);
$zip_folder->add($temp_xml_file, PCLZIP_OPT_REMOVE_ALL_PATH);
$name = 'qti2_export_'.$exerciseId.'.zip';
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
} else {
$errorXmlExport = Display :: return_message(get_lang('ErrorWritingXMLFile'), 'error');
}
}
if ($origin != 'learnpath') {
//so we are not in learnpath tool
Display :: display_header($nameTools, get_lang('Exercise'));
if (isset($_GET['message'])) {
if (in_array($_GET['message'], array('ExerciseEdited'))) {
echo Display::return_message(get_lang($_GET['message']), 'confirmation');
}
}
} else {
Display::display_reduced_header();
}
Event::event_access_tool(TOOL_QUIZ);
// Tool introduction
Display::display_introduction_section(TOOL_QUIZ);
if (!empty($errorXmlExport)) {
echo $errorXmlExport;
}
HotPotGCt($documentPath, 1, $userId);
// Only for administrator
if ($is_allowedToEdit) {
if (!empty($choice)) {
// All test choice, clean all test's results
if ($choice === 'clean_all_test') {
$check = Security::check_token('get');
if ($check) {
// list of exercises in a course/session
// we got variable $courseId $courseInfo session api_get_session_id()
$exerciseList = ExerciseLib::get_all_exercises_for_course_id(
$courseInfo,
$sessionId,
$courseId,
false
);
$quantity_results_deleted = 0;
foreach ($exerciseList as $exeItem) {
// delete result for test, if not in a gradebook
$exercise_action_locked = api_resource_is_locked_by_gradebook($exeItem['id'], LINK_EXERCISE);
if ($exercise_action_locked == false) {
$objExerciseTmp = new Exercise();
if ($objExerciseTmp->read($exeItem['id'])) {
$quantity_results_deleted += $objExerciseTmp->clean_results(true);
}
}
}
echo Display::return_message(
sprintf(
get_lang('XResultsCleaned'),
$quantity_results_deleted
),
'confirm'
);
}
}
// single exercise choice
// construction of Exercise
$objExerciseTmp = new Exercise();
$check = Security::check_token('get');
$exercise_action_locked = api_resource_is_locked_by_gradebook(
$exerciseId,
LINK_EXERCISE
);
if ($objExerciseTmp->read($exerciseId)) {
if ($check) {
switch ($choice) {
case 'delete':
// deletes an exercise
if ($exercise_action_locked == false) {
$objExerciseTmp->delete();
$link_info = GradebookUtils::isResourceInCourseGradebook(
api_get_course_id(),
1,
$exerciseId,
api_get_session_id()
);
if ($link_info !== false) {
GradebookUtils::remove_resource_from_course_gradebook($link_info['id']);
}
echo Display::return_message(get_lang('ExerciseDeleted'), 'confirmation');
}
break;
case 'enable':
// enables an exercise
if (empty($sessionId)) {
$objExerciseTmp->enable();
$objExerciseTmp->save();
} else {
if (!empty($objExerciseTmp->sessionId)) {
$objExerciseTmp->enable();
$objExerciseTmp->save();
}
}
api_item_property_update(
$courseInfo,
TOOL_QUIZ,
$objExerciseTmp->id,
'visible',
$userId
);
// "WHAT'S NEW" notification: update table item_property (previously last_tooledit)
echo Display::return_message(get_lang('VisibilityChanged'), 'confirmation');
break;
case 'disable':
// disables an exercise
if (empty($sessionId)) {
$objExerciseTmp->disable();
$objExerciseTmp->save();
} else {
// Only change active if it belongs to a session
if (!empty($objExerciseTmp->sessionId)) {
$objExerciseTmp->disable();
$objExerciseTmp->save();
}
}
api_item_property_update(
$courseInfo,
TOOL_QUIZ,
$objExerciseTmp->id,
'invisible',
$userId
);
echo Display::return_message(
get_lang('VisibilityChanged'),
'confirmation'
);
break;
case 'disable_results':
//disable the results for the learners
$objExerciseTmp->disable_results();
$objExerciseTmp->save();
echo Display::return_message(
get_lang('ResultsDisabled'),
'confirmation'
);
break;
case 'enable_results':
//disable the results for the learners
$objExerciseTmp->enable_results();
$objExerciseTmp->save();
echo Display::return_message(
get_lang('ResultsEnabled'),
'confirmation'
);
break;
case 'clean_results':
//clean student results
if ($exercise_action_locked == false) {
$quantity_results_deleted = $objExerciseTmp->clean_results(true);
$title = $objExerciseTmp->selectTitle();
echo Display::return_message(
$title.': '.sprintf(
get_lang('XResultsCleaned'),
$quantity_results_deleted
),
'confirmation'
);
}
break;
case 'copy_exercise': //copy an exercise
$objExerciseTmp->copy_exercise();
echo Display::return_message(
get_lang('ExerciseCopied'),
'confirmation'
);
break;
}
}
}
// destruction of Exercise
unset($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]);
DocumentManager::updateDbInfo("delete", $uploadPath."/".$fld."/".$imgparams[$i]);
}
if (!is_dir($documentPath.$uploadPath."/".$fld."/")) {
my_delete($documentPath.$file);
DocumentManager::updateDbInfo("delete", $file);
} else {
if (my_delete($documentPath.$file)) {
DocumentManager::updateDbInfo("delete", $file);
}
}
/* hotpotatoes folder may contains several tests so
don't delete folder if not empty :
http://support.chamilo.org/issues/2165
*/
if (!(strstr($uploadPath, DIR_HOTPOTATOES) && !folder_is_empty($documentPath.$uploadPath."/".$fld."/"))) {
my_delete($documentPath.$uploadPath."/".$fld."/");
}
break;
case 'enable': // enables an exercise
$newVisibilityStatus = "1"; //"visible"
$query = "SELECT id FROM $TBL_DOCUMENT
WHERE c_id = $courseId AND path='".Database :: escape_string($file)."'";
$res = Database::query($query);
$row = Database :: fetch_array($res, 'ASSOC');
api_item_property_update(
$courseInfo,
TOOL_DOCUMENT,
$row['id'],
'visible',
$userId
);
//$dialogBox = get_lang('ViMod');
break;
case 'disable': // disables an exercise
$newVisibilityStatus = "0"; //"invisible"
$query = "SELECT id FROM $TBL_DOCUMENT
WHERE c_id = $courseId AND path='".Database :: escape_string($file)."'";
$res = Database::query($query);
$row = Database :: fetch_array($res, 'ASSOC');
api_item_property_update(
$courseInfo,
TOOL_DOCUMENT,
$row['id'],
'invisible',
$userId
);
break;
default:
break;
}
}
}
// Actions div bar
if ($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, $userId);
//condition for the session
$course_code = api_get_course_id();
$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(iid) as count
FROM $TBL_EXERCISES
WHERE c_id = $courseId AND active<>'-1' $condition_session ";
$sql = "SELECT * FROM $TBL_EXERCISES
WHERE c_id = $courseId AND active<>'-1' $condition_session
ORDER BY title
LIMIT ".$from.",".$limit;
} else {
// Only for students
$total_sql = "SELECT count(iid) as count
FROM $TBL_EXERCISES
WHERE c_id = $courseId AND active = '1' $condition_session ";
$sql = "SELECT * FROM $TBL_EXERCISES
WHERE c_id = $courseId AND
active='1' $condition_session
ORDER BY title LIMIT ".$from.",".$limit;
}
$result = Database::query($sql);
$result_total = Database::query($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 = $courseId AND
path LIKE '".Database :: escape_string($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 = ".$courseId." AND
ip.c_id = ".$courseId;
$res = Database::query($sql);
$hp_count = Database :: num_rows($res);
}
$total = $total_exercises + $hp_count;
$token = Security::get_token();
if ($is_allowedToEdit && $origin != 'learnpath') {
echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/exercise_admin.php?'.api_get_cidreq().'">'.
Display::return_icon('new_exercice.png', get_lang('NewEx'), '', ICON_SIZE_MEDIUM).'</a>';
echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/question_create.php?'.api_get_cidreq().'">'.
Display::return_icon('new_question.png', get_lang('AddQ'), '', ICON_SIZE_MEDIUM).'</a>';
// Question category
echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/tests_category.php?'.api_get_cidreq().'">';
echo Display::return_icon('green_open.png', get_lang('QuestionCategory'), '', ICON_SIZE_MEDIUM);
echo '</a>';
echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/question_pool.php?'.api_get_cidreq().'">';
echo Display::return_icon('database.png', get_lang('QuestionPool'), '', ICON_SIZE_MEDIUM);
echo '</a>';
//echo Display::url(Display::return_icon('looknfeel.png', get_lang('Media')), 'media.php?' . api_get_cidreq());
// end question category
echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/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="'.api_get_path(WEB_CODE_PATH).'exercise/qti2.php?'.api_get_cidreq().'">'.Display::return_icon('import_qti2.png', get_lang('ImportQtiQuiz'), '', ICON_SIZE_MEDIUM).'</a>';
echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/aiken.php?'.api_get_cidreq().'">'.Display::return_icon('import_aiken.png', get_lang('ImportAikenQuiz'), '', ICON_SIZE_MEDIUM).'</a>';
echo '<a href="'.api_get_path(WEB_CODE_PATH).'exercise/upload_exercise.php?'.api_get_cidreq().'">'.Display::return_icon('import_excel.png', get_lang('ImportExcelQuiz'), '', ICON_SIZE_MEDIUM).'</a>';
echo Display::url(
Display::return_icon(
'clean_all.png',
get_lang('CleanAllStudentsResultsForAllTests'),
'',
ICON_SIZE_MEDIUM
),
'',
array(
'onclick' => "javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('AreYouSureToEmptyAllTestResults'), ENT_QUOTES, $charset))."')) return false;",
'href' => api_get_path(WEB_CODE_PATH).'exercise/exercise.php?'.api_get_cidreq().'&choice=clean_all_test&sec_token='.$token
)
);
}
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()."&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 + $limit) {
echo ' '."<a href=\"".api_get_self()."?".api_get_cidreq()."&page=".($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;
$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')
);
$exerciseList = array();
$list_ordered = null;
while ($row = Database :: fetch_array($result, 'ASSOC')) {
$exerciseList[$row['iid']] = $row;
}
if (!empty($exerciseList) &&
api_get_setting('exercise_invisible_in_session') === 'true'
) {
if (!empty($sessionId)) {
$changeDefaultVisibility = true;
if (api_get_setting('configure_exercise_visibility_in_course') === 'true') {
$changeDefaultVisibility = false;
if (api_get_course_setting('exercise_invisible_in_session') == 1) {
$changeDefaultVisibility = true;
}
}
if ($changeDefaultVisibility) {
// Check exercise
foreach ($exerciseList as $exercise) {
if ($exercise['session_id'] == 0) {
$visibilityInfo = api_get_item_property_info(
$courseId,
TOOL_QUIZ,
$exercise['iid'],
$sessionId
);
if (empty($visibilityInfo)) {
// Create a record for this
api_item_property_update(
$courseInfo,
TOOL_QUIZ,
$exercise['iid'],
'invisible',
api_get_user_id(),
0,
null,
'',
'',
$sessionId
);
}
}
}
}
}
}
if (isset($list_ordered) && !empty($list_ordered)) {
$new_question_list = array();
foreach ($list_ordered as $exercise_id) {
if (isset($exerciseList[$exercise_id])) {
$new_question_list[] = $exerciseList[$exercise_id];
}
}
$exerciseList = $new_question_list;
}
$tableRows = [];
/* Listing exercises */
if (!empty($exerciseList)) {
if ($origin != 'learnpath') {
//avoid sending empty parameters
$mylpid = (empty($learnpath_id) ? '' : '&learnpath_id='.$learnpath_id);
$mylpitemid = (empty($learnpath_item_id) ? '' : '&learnpath_item_id='.$learnpath_item_id);
$i = 1;
foreach ($exerciseList as $row) {
$my_exercise_id = $row['id'];
$exercise = new Exercise();
$exercise->read($my_exercise_id, false);
if (empty($exercise->id)) {
continue;
}
$locked = $exercise->is_gradebook_locked;
$i++;
// Validation when belongs to a session
$session_img = api_get_session_image($row['session_id'], $userInfo['status']);
$time_limits = false;
if (!empty($row['start_time']) || !empty($row['end_time'])) {
$time_limits = true;
}
$is_actived_time = false;
if ($time_limits) {
// check if start time
$start_time = false;
if (!empty($row['start_time'])) {
$start_time = api_strtotime($row['start_time'], 'UTC');
}
$end_time = false;
if (!empty($row['end_time'])) {
$end_time = api_strtotime($row['end_time'], 'UTC');
}
$now = time();
//If both "clocks" are enable
if ($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'])) {
$time_limits = true;
$is_actived_time = false;
}
}
$cut_title = $exercise->getCutTitle();
$alt_title = '';
if ($cut_title != $row['title']) {
$alt_title = ' title = "'.$row['title'].'" ';
}
// Teacher only
if ($is_allowedToEdit) {
$lp_blocked = null;
if ($exercise->exercise_was_added_in_lp == true) {
$lp_blocked = Display::div(
get_lang('AddedToLPCannotBeAccessed'),
array('class' => 'lp_content_type_label')
);
}
$visibility = api_get_item_visibility(
$courseInfo,
TOOL_QUIZ,
$my_exercise_id,
0
);
if (!empty($sessionId)) {
$setting = api_get_configuration_value('show_hidden_exercise_added_to_lp');
if ($setting) {
if ($exercise->exercise_was_added_in_lp == false) {
if ($visibility == 0) {
continue;
}
}
} else {
if ($visibility == 0) {
continue;
}
}
$visibility = api_get_item_visibility(
$courseInfo,
TOOL_QUIZ,
$my_exercise_id,
$sessionId
);
}
if ($row['active'] == 0 || $visibility == 0) {
$title = Display::tag('font', $cut_title, array('style' => 'color:grey'));
} else {
$title = $cut_title;
}
$count_exercise_not_validated = (int) Event::count_exercise_result_not_validated(
$my_exercise_id,
$courseId,
$session_id
);
$move = Display::return_icon(
'all_directions.png',
get_lang('Move'),
array('class'=>'moved', 'style'=>'margin-bottom:-0.5em;')
);
$move = null;
$class_tip = '';
if (!empty($count_exercise_not_validated)) {
$results_text = $count_exercise_not_validated == 1 ? get_lang('ResultNotRevised') : get_lang('ResultsNotRevised');
$title .= '<span class="exercise_tooltip" style="display: none;">'.$count_exercise_not_validated.' '.$results_text.' </span>';
$class_tip = 'link_tooltip';
}
$url = $move.'<a '.$alt_title.' class="'.$class_tip.'" id="tooltip_'.$row['id'].'" href="overview.php?'.api_get_cidreq().$mylpid.$mylpitemid.'&exerciseId='.$row['id'].'">
'.Display::return_icon('quiz.png', $row['title']).'
'.$title.' </a>';
$item = Display::tag('td', $url.' '.$session_img.$lp_blocked);
// Count number exercise - teacher
$sql = "SELECT count(*) count FROM $TBL_EXERCISE_QUESTION
WHERE c_id = $courseId AND exercice_id = $my_exercise_id";
$sqlresult = Database::query($sql);
$rowi = Database :: result($sqlresult, 0, 0);
if ($session_id == $row['session_id']) {
// Questions list
$actions = Display::url(
Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL),
'admin.php?'.api_get_cidreq().'&exerciseId='.$row['id']
);
// Test settings
$actions .= Display::url(
Display::return_icon('settings.png', get_lang('Configure'), '', ICON_SIZE_SMALL),
'exercise_admin.php?'.api_get_cidreq().'&exerciseId='.$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.png', get_lang('CopyExercise')),
'',
array(
'onclick' => "javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('AreYouSureToCopy'), ENT_QUOTES, $charset))." ".addslashes($row['title'])."?"."')) return false;",
'href' => 'exercise.php?'.api_get_cidreq().'&choice=copy_exercise&sec_token='.$token.'&exerciseId='.$row['id']
)
);
// Clean exercise
if ($locked == false) {
$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' => 'exercise.php?'.api_get_cidreq().'&choice=clean_results&sec_token='.$token.'&exerciseId='.$row['id']
)
);
} else {
$actions .= Display::return_icon(
'clean_na.png',
get_lang('ResourceLockedByGradebook'),
'',
ICON_SIZE_SMALL
);
}
// Visible / invisible
// Check if this exercise was added in a LP
if ($exercise->exercise_was_added_in_lp == true) {
$actions .= Display::return_icon(
'invisible.png',
get_lang('AddedToLPCannotBeAccessed'),
'',
ICON_SIZE_SMALL
);
} else {
if ($row['active'] == 0 || $visibility == 0) {
$actions .= Display::url(
Display::return_icon(
'invisible.png',
get_lang('Activate'),
'',
ICON_SIZE_SMALL
),
'exercise.php?'.api_get_cidreq().'&choice=enable&sec_token='.$token.'&page='.$page.'&exerciseId='.$row['id']
);
} else {
// else if not active
$actions .= Display::url(
Display::return_icon(
'visible.png',
get_lang('Deactivate'),
'',
ICON_SIZE_SMALL
),
'exercise.php?'.api_get_cidreq().'&choice=disable&sec_token='.$token.'&page='.$page.'&exerciseId='.$row['id']
);
}
}
// Export qti ...
$actions .= Display::url(
Display::return_icon(
'export_qti2.png',
'IMS/QTI',
'',
ICON_SIZE_SMALL
),
'exercise.php?choice=exportqti2&exerciseId='.$row['id'].'&'.api_get_cidreq()
);
} else {
// not session
$actions = Display::return_icon(
'edit_na.png',
get_lang('ExerciseEditionNotAvailableInSession')
);
// Check if this exercise was added in a LP
if ($exercise->exercise_was_added_in_lp == true) {
$actions .= Display::return_icon(
'invisible.png',
get_lang('AddedToLPCannotBeAccessed'),
'',
ICON_SIZE_SMALL
);
} else {
if ($row['active'] == 0 || $visibility == 0) {
$actions .= Display::url(
Display::return_icon(
'invisible.png',
get_lang('Activate'),
'',
ICON_SIZE_SMALL
),
'exercise.php?'.api_get_cidreq().'&choice=enable&sec_token='.$token.'&page='.$page.'&exerciseId='.$row['id']
);
} else {
// else if not active
$actions .= Display::url(
Display::return_icon(
'visible.png',
get_lang('Deactivate'),
'',
ICON_SIZE_SMALL
),
'exercise.php?'.api_get_cidreq().'&choice=disable&sec_token='.$token.'&page='.$page.'&exerciseId='.$row['id']
);
}
}
$actions .= '<a href="exercise_report.php?'.api_get_cidreq().'&exerciseId='.$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' => 'exercise.php?'.api_get_cidreq().'&choice=copy_exercise&sec_token='.$token.'&exerciseId='.$row['id']
)
);
}
// Delete
if ($session_id == $row['session_id']) {
if ($locked == false) {
$actions .= Display::url(
Display::return_icon(
'delete.png',
get_lang('Delete'),
'',
ICON_SIZE_SMALL
),
'',
array(
'onclick' => "javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('AreYouSureToDeleteJS'), ENT_QUOTES, $charset))." ".addslashes($row['title'])."?"."')) return false;",
'href' => 'exercise.php?'.api_get_cidreq().'&choice=delete&sec_token='.$token.'&exerciseId='.$row['id']
)
);
} else {
$actions .= Display::return_icon(
'delete_na.png',
get_lang('ResourceLockedByGradebook'),
'',
ICON_SIZE_SMALL
);
}
}
// Number of questions
$random_label = null;
if ($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) {
$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 .= " - ";
$number_of_questions .= min(TestCategory::getNumberMaxQuestionByCat($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;
//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 = ExerciseLib::get_count_exam_results($row['id']).' '.get_lang('Attempts');
//$item .= Display::tag('td',$attempts);
$item .= Display::tag('td', $number_of_questions);
} else {
// Student only.
$visibility = api_get_item_visibility(
$courseInfo,
TOOL_QUIZ,
$my_exercise_id,
$sessionId
);
if ($visibility == 0) {
continue;
}
$url = '<a '.$alt_title.' href="overview.php?'.api_get_cidreq().$mylpid.$mylpitemid.'&exerciseId='.$row['id'].'">'.
$cut_title.'</a>';
// Link of the exercise.
$item = Display::tag('td', $url.' '.$session_img);
// Count number exercise questions.
/*$sql = "SELECT count(*) FROM $TBL_EXERCISE_QUESTION
WHERE c_id = $courseId AND exercice_id = ".$row['id'];
$sqlresult = Database::query($sql);
$rowi = Database::result($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
$sql = "SELECT * FROM $TBL_TRACK_EXERCISES
WHERE
exe_exo_id = ".$row['id']." AND
exe_user_id = $userId AND
c_id = ".api_get_course_int_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";
$qryres = Database::query($sql);
$num = Database :: num_rows($qryres);
// Hide the results.
$my_result_disabled = $row['results_disabled'];
// Time limits are on
if ($time_limits) {
// Exam is ready to be taken
if ($is_actived_time) {
// Show results 697 $attempt_text = get_lang('LatestAttempt').' : ';
if ($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').' : ';
$attempt_text .= ExerciseLib::show_score($row_track['exe_result'], $row_track['exe_weighting']);
} else {
//No attempts
$attempt_text = get_lang('NotAttempted');
}
} else {
//$attempt_text = get_lang('CantShowResults');
$attempt_text = '-';
}
} else {
//Quiz not ready due to time limits 700 $attempt_text = get_lang('NotAttempted');
//@todo use the is_visible function
if (!empty($row['start_time']) && !empty($row['end_time'])) {
$today = time();
$start_time = api_strtotime($row['start_time'], 'UTC');
$end_time = api_strtotime($row['end_time'], 'UTC');
if ($today < $start_time) {
$attempt_text = sprintf(get_lang('ExerciseWillBeActivatedFromXToY'), api_convert_and_format_date($row['start_time']), api_convert_and_format_date($row['end_time']));
} else {
if ($today > $end_time) {
$attempt_text = sprintf(get_lang('ExerciseWasActivatedFromXToY'), api_convert_and_format_date($row['start_time']), api_convert_and_format_date($row['end_time']));
}
}
} else {
//$attempt_text = get_lang('ExamNotAvailableAtThisTime');
if (!empty($row['start_time'])) {
$attempt_text = sprintf(
get_lang('ExerciseAvailableFromX'),
api_convert_and_format_date($row['start_time'])
);
}
if (!empty($row['end_time'])) {
$attempt_text = sprintf(
get_lang('ExerciseAvailableUntilX'),
api_convert_and_format_date($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 .= ExerciseLib::show_score(
$row_track['exe_result'],
$row_track['exe_weighting']
);
} else {
$attempt_text = get_lang('NotAttempted');
}
} else {
//$attempt_text = get_lang('CantShowResults');
$attempt_text = '-';
}
}
$class_tip = '';
if (empty($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', $attempt_text);
}
if ($is_allowedToEdit) {
$item .= Display::tag('td', $actions, array('class' => 'td_actions'));
} else {
if ($isDrhOfCourse) {
$actions = '<a href="exercise_report.php?'.api_get_cidreq().'&exerciseId='.$row['id'].'">'.
Display::return_icon('test_results.png', get_lang('Results'), '', ICON_SIZE_SMALL).'</a>';
$item .= Display::tag('td', $actions, array('class' => 'td_actions'));
}
}
$tableRows[] = Display::tag(
'tr',
$item,
array(
'id' => 'exercise_list_'.$my_exercise_id,
)
);
}
}
}
// end exercise list
// Hotpotatoes results
$hotpotatoes_exist = false;
if ($is_allowedToEdit) {
$sql = "SELECT d.path as path, d.comment as comment, ip.visibility as visibility
FROM $TBL_DOCUMENT d
INNER JOIN $TBL_ITEM_PROPERTY ip
ON (d.id = ip.ref AND d.c_id = ip.c_id)
WHERE
d.c_id = $courseId AND
ip.c_id = $courseId AND
ip.tool = '".TOOL_DOCUMENT."' AND
(d.path LIKE '%htm%') AND
d.path LIKE '".Database :: escape_string($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
INNER JOIN $TBL_ITEM_PROPERTY ip
ON (d.id = ip.ref AND d.c_id = ip.c_id)
WHERE
d.c_id = $courseId AND
ip.c_id = $courseId AND
ip.tool = '".TOOL_DOCUMENT."' AND
(d.path LIKE '%htm%') AND
d.path LIKE '".Database :: escape_string($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'])) {
$hotpotatoes_exist = true;
while (list($key, $path) = each($attribute['path'])) {
$item = '';
list ($a, $vis) = each($attribute['visibility']);
$active = !empty($vis);
$title = GetQuizName($path, $documentPath);
if ($title == '') {
$title = basename($path);
}
// prof only
if ($is_allowedToEdit) {
$item = Display::tag(
'td',
implode(PHP_EOL, [
Display::return_icon('hotpotatoes_s.png', "HotPotatoes"),
Display::url(
$title,
'showinframes.php?'.api_get_cidreq().'&'.http_build_query([
'file' => $path,
'uid' => $userId
]),
['class' => !$active ? 'text-muted' : null]
)
])
);
$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
);
$actions .= '<a href="hotpotatoes_exercise_report.php?'.api_get_cidreq().'&path='.$path.'">'.
Display::return_icon('test_results.png', get_lang('Results'), '', ICON_SIZE_SMALL).'</a>';
// if active
if ($active) {
$nbrActiveTests = $nbrActiveTests + 1;
$actions .= ' <a href="'.$exercisePath.'?'.api_get_cidreq().'&hpchoice=disable&page='.$page.'&file='.$path.'">'.
Display::return_icon('visible.png', get_lang('Deactivate'), '', ICON_SIZE_SMALL).'</a>';
} else { // else if not active
$actions .= ' <a href="'.$exercisePath.'?'.api_get_cidreq().'&hpchoice=enable&page='.$page.'&file='.$path.'">'.
Display::return_icon('invisible.png', get_lang('Activate'), '', ICON_SIZE_SMALL).'</a>';
}
$actions .= '<a href="'.$exercisePath.'?'.api_get_cidreq().'&hpchoice=delete&file='.$path.'" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('AreYouSureToDeleteJS'), ENT_QUOTES, $charset).' '.$title."?").'\')) return false;">'.
Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL).'</a>';
$item .= Display::tag('td', $actions);
$tableRows[] = Display::tag('tr', $item);
} else {
// Student only
if ($active) {
$attempt = ExerciseLib::getLatestHotPotatoResult(
$path,
$userId,
api_get_course_int_id(),
api_get_session_id()
);
$nbrActiveTests = $nbrActiveTests + 1;
$item .= Display::tag(
'td',
Display::url(
$title,
'showinframes.php?'.api_get_cidreq().'&'.http_build_query([
'file' => $path,
'cid' => api_get_course_id(),
'uid' => $userId
])
)
);
if (!empty($attempt)) {
$actions = '<a href="hotpotatoes_exercise_report.php?'.api_get_cidreq().'&path='.$path.'&filter_by_user='.$userId.'">'.Display::return_icon('test_results.png', get_lang('Results'), '', ICON_SIZE_SMALL).'</a>';
$attemptText = get_lang('LatestAttempt').' : ';
$attemptText .= ExerciseLib::show_score(
$attempt['exe_result'],
$attempt['exe_weighting']
).' ';
$attemptText .= $actions;
} else {
// No attempts.
$attemptText = get_lang('NotAttempted').' ';
}
$item .= Display::tag('td', $attemptText);
if ($isDrhOfCourse) {
$actions = '<a href="hotpotatoes_exercise_report.php?'.api_get_cidreq().'&path='.$path.'">'.
Display::return_icon('test_results.png', get_lang('Results'), '', ICON_SIZE_SMALL).'</a>';
$item .= Display::tag(
'td',
$actions,
array('class' => 'td_actions')
);
}
$tableRows[] = Display::tag('tr', $item);
}
}
}
}
if (empty($exerciseList) && $hotpotatoes_exist == false) {
if ($is_allowedToEdit && $origin != 'learnpath') {
echo '<div id="no-data-view">';
echo '<h3>'.get_lang('Quiz').'</h3>';
echo Display::return_icon('quiz.png', '', array(), 64);
echo '<div class="controls">';
echo Display::url(
'<em class="fa fa-plus"></em> '.get_lang('NewEx'),
'exercise_admin.php?'.api_get_cidreq(),
array('class' => 'btn btn-primary')
);
echo '</div>';
echo '</div>';
}
} else {
if ($is_allowedToEdit) {
$headers = [
get_lang('ExerciseName'),
get_lang('QuantityQuestions'),
get_lang('Actions')
];
} else {
$headers = [
get_lang('ExerciseName'),
get_lang('Status')
];
if ($isDrhOfCourse) {
$headers[] = get_lang('Actions');
}
}
$headerList = '';
foreach ($headers as $header) {
$headerList .= Display::tag('th', $header);
}
echo '<div class="table-responsive">';
echo '<table class="table table-striped table-hover">';
echo Display::tag(
'thead',
Display::tag('tr', $headerList)
);
echo '<tbody>';
foreach ($tableRows as $row) {
echo $row;
}
echo '</tbody>';
echo '</table>';
echo '</div>';
}
if ($origin != 'learnpath') { //so we are not in learnpath tool
Display :: display_footer();
}