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

1106 lines
48 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
use \ChamiloSession as Session;
$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 '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();
$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);
// 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'])) {
Session::erase('objExercise');
}
if (isset ($_SESSION['objQuestion'])) {
Session::erase('objQuestion');
}
if (isset ($_SESSION['objAnswer'])) {
Session::erase('objAnswer');
}
if (isset ($_SESSION['questionList'])) {
Session::erase('questionList');
}
if (isset ($_SESSION['exerciseResult'])) {
Session::erase('exerciseResult');
}
//General POST/GET/SESSION/COOKIES parameters recovery
$origin = isset($_REQUEST['origin']) ? Security::remove_XSS($_REQUEST['origin']) : null;
$choice = isset($_REQUEST['choice']) ? Security::remove_XSS($_REQUEST['choice']) : null;
$hpchoice = isset($_REQUEST['hpchoice']) ? Security::remove_XSS($_REQUEST['hpchoice']) : null;
$exerciseId = isset($_REQUEST['exerciseId']) ? Security::remove_XSS($_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;
$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')
);
}
$nameTools = get_lang('Exercices');
if ($is_allowedToEdit && !empty ($choice) && $choice == 'exportqti2') {
require_once 'export/qti2/qti2_export.php';
$export = export_exercise($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);
$zip_folder = new PclZip($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, //
});
});*/
$(".data_table tbody").sortable({
cursor: "move", // works?
update: function(event, ui) {
var order = $(this).sortable("serialize") + "&a=update_exercise_list_order";
$.get("'.api_get_path(WEB_AJAX_PATH).'exercise.ajax.php", order, function(reponse) {
$("#message").html(reponse);
});
},
axis: "y",
placeholder: "ui-state-highlight", //defines the yellow highlight
handle: ".moved", //only the class "moved"
});
});
</script>';
if ($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 {
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');
$exercise_action_locked = api_resource_is_locked_by_gradebook($exerciseId, LINK_EXERCISE);
if ($objExerciseTmp->read($exerciseId)) {
if ($check) {
switch ($choice) {
case 'delete' : // deletes an exercise
if ($exercise_action_locked == false) {
$objExerciseTmp->delete();
require_once api_get_path(SYS_CODE_PATH).'gradebook/lib/gradebook_functions.inc.php';
$link_info = is_resource_in_course_gradebook(
api_get_course_id(),
1,
$exerciseId,
api_get_session_id()
);
if ($link_info !== false) {
remove_resource_from_course_gradebook($link_info['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();
$objExerciseTmp->save();
Display :: display_confirmation_message(get_lang('ResultsEnabled'));
break;
case 'clean_results' : //clean student results
if ($exercise_action_locked == false) {
$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; $i++) {
FileManager::my_delete($documentPath.$uploadPath."/".$fld."/".$imgparams[$i]);
FileManager::update_db_info("delete", $uploadPath."/".$fld."/".$imgparams[$i]);
}
if (FileManager::my_delete($documentPath.$file)) {
FileManager::update_db_info("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) && !FileManager::folder_is_empty(
$documentPath.$uploadPath."/".$fld."/"
))
) {
FileManager::my_delete($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
$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(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 * 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 && $origin != 'learnpath') {
echo '<a href="exercise_admin.php?'.api_get_cidreq().'">'.Display :: return_icon(
'new_exercice.png',
get_lang('NewEx'),
'',
ICON_SIZE_MEDIUM
).'</a>';
echo '<a href="question_create.php?'.api_get_cidreq().'">'.Display :: return_icon(
'new_question.png',
get_lang('AddQ'),
'',
ICON_SIZE_MEDIUM
).'</a>';
// Question category
echo '<a href="tests_category.php">';
echo Display::return_icon('question_category_show.gif', get_lang('QuestionCategory'));
echo '</a>';
echo '<a href="question_pool.php">';
echo Display::return_icon('database.png', get_lang('QuestionPool'), array('style' => 'width:32px'));
echo '</a>';
echo Display::url(Display::return_icon('looknfeel.png', get_lang('Media')), 'media.php?'.api_get_cidreq());
// end question category
echo '<a href="hotpotatoes.php?'.api_get_cidreq().'">'.Display :: return_icon(
'import_hotpotatoes.png',
get_lang('ImportHotPotatoesQuiz'),
'',
ICON_SIZE_MEDIUM
).'</a>';
// link to import qti2 ...
echo '<a href="qti2.php?'.api_get_cidreq().'">'.Display :: return_icon(
'import_qti2.png',
get_lang('ImportQtiQuiz'),
'',
ICON_SIZE_MEDIUM
).'</a>';
echo '<a href="upload_exercise.php?'.api_get_cidreq().'">'.Display :: return_icon(
'import_excel.png',
get_lang('ImportExcelQuiz'),
'',
ICON_SIZE_MEDIUM
).'</a>';
}
if ($is_allowedToEdit) {
echo '</div>'; // closing the actions div
echo '<div id="message"></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;
$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();
$exercise_obj = new Exercise();
$list_ordered = $exercise_obj->get_exercise_list_ordered();
while ($row = Database :: fetch_array($result, 'ASSOC')) {
$exercise_list[$row['id']] = $row;
}
if (isset($list_ordered) && !empty($list_ordered)) {
$new_question_list = array();
foreach ($list_ordered as $exercise_id) {
if (isset($exercise_list[$exercise_id])) {
$new_question_list[] = $exercise_list[$exercise_id];
}
}
$exercise_list = $new_question_list;
}
echo '<table class="'.Display::return_default_table_class().'">';
/* Listing exercises */
if (!empty($exercise_list)) {
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'];
$exercise_obj = new Exercise();
$exercise_obj->read($my_exercise_id);
$locked = $exercise_obj->is_gradebook_locked;
//echo '<div id="tabs-'.$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 = $exercise_obj->getCutTitle();
$alt_title = '';
if ($cut_title != $row['title']) {
$alt_title = ' title = "'.$row['title'].'" ';
}
// Teacher only
if ($is_allowedToEdit) {
$lp_blocked = null;
if ($exercise_obj->exercise_was_added_in_lp == true) {
$lp_blocked = Display::div(
get_lang('AddedToLPCannotBeAccessed'),
array('class' => 'lp_content_type_label')
);
}
$visibility = api_get_item_visibility($course_info, TOOL_QUIZ, $my_exercise_id);
if ($row['active'] == 0 || $visibility == 0) {
$title = Display::tag('font', $cut_title, array('style' => 'color:grey'));
} else {
$title = $cut_title;
}
$count_exercise_not_validated = intval(
count_exercise_result_not_validated($my_exercise_id, $course_code, $session_id)
);
$move = Display::return_icon(
'all_directions.png',
get_lang('Move'),
array('class' => 'moved', 'style' => 'margin-bottom:-0.5em;')
);
$class_tip = '';
if (!empty($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>';
$class_tip = 'link_tooltip';
}
//$class_tip = 'exercise_link';
$url = $move.'<a '.$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
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' => 'exercice.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_obj->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) {
$actions .= Display::url(
Display::return_icon('invisible.png', get_lang('Activate'), '', ICON_SIZE_SMALL),
'exercice.php?'.api_get_cidreq(
).'&choice=enable&sec_token='.$token.'&page='.$page.'&exerciseId='.$row['id']
);
} else {
// else if not active
$actions .= Display::url(
Display::return_icon('visible.png', get_lang('Deactivate'), '', ICON_SIZE_SMALL),
'exercice.php?'.api_get_cidreq(
).'&choice=disable&sec_token='.$token.'&page='.$page.'&exerciseId='.$row['id']
);
}
}
// Export qti ...
$actions .= Display::url(
Display::return_icon('export_qti2.png', 'IMS/QTI', '', ICON_SIZE_SMALL),
'exercice.php?choice=exportqti2&exerciseId='.$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 == $row['session_id']) {
if ($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('AreYouSureToDelete'), ENT_QUOTES, $charset)
)." ".addslashes($row['title'])."?"."')) return false;",
'href' => 'exercice.php?'.api_get_cidreq(
).'&choice=delete&sec_token='.$token.'&exerciseId='.$row['id']
)
);
} else {
$actions .= Display::return_icon(
'delete_na.png',
get_lang('ResourceLockedByGradebook'),
'',
ICON_SIZE_SMALL
);
}
/*if ($rowi > 50) {
// Showing the direct link to exercise settings only
// if there are more than 50 questions, so the list of
// questions does not slow down everything
$actions .= Display::url(Display::return_icon('settings.png',get_lang('EditSettings'),'',ICON_SIZE_SMALL), 'exercise_admin.php?'.api_get_cidreq().'&modifyExercise=yes&exerciseId='.$row['id']);
}*/
}
// 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 = get_count_exam_results($row['id']).' '.get_lang('Attempts');
//$item .= Display::tag('td',$attempts);
$item .= Display::tag('td', $number_of_questions);
} else {
// Student only
$visibility = api_get_item_visibility($course_info, TOOL_QUIZ, $my_exercise_id);
if ($visibility == 0) {
continue;
}
// 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', $item, array('id' => 'exercise_list_'.$my_exercise_id, 'class' => $class));
$count++;
}
} // end foreach()
}
}
// 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, $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'])) {
$hotpotatoes_exist = true;
while (list($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
);
$actions .= '<a href="hotpotatoes_exercise_report.php?'.api_get_cidreq(
).'&path='.$path.'">'.Display :: return_icon(
'test_results.png',
get_lang('Results'),
'',
ICON_SIZE_SMALL
).'</a>';
// if active
if ($active) {
$nbrActiveTests = $nbrActiveTests + 1;
$actions .= ' <a href="'.$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', '');
$actions = '<a href="hotpotatoes_exercise_report.php?'.api_get_cidreq(
).'&path='.$path.'&filter_by_user='.api_get_user_id().'">'.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));
}
}
$count++;
}
}
echo '</table>';
if (empty($exercise_list) && $hotpotatoes_exist == false) {
if ($is_allowedToEdit && $origin != 'learnpath') {
echo '<div id="no-data-view">';
echo '<h2>'.get_lang('Quiz').'</h2>';
echo Display::return_icon('quiz.png', '', array(), 64);
echo '<div class="controls">';
echo Display::url(get_lang('NewEx'), 'exercise_admin.php?'.api_get_cidreq(), array('class' => 'btn'));
echo '</div>';
echo '</div>';
}
}
if ($origin != 'learnpath') { //so we are not in learnpath tool
Display :: display_footer();
}