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

496 lines
20 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This file was originally the copy of document.php, but many modifications happened since then ;
* the direct file view is not needed anymore, if the user uploads a scorm zip file, a directory
* will be automatically created for it, and the files will be uncompressed there for example ;
*
* @package chamilo.learnpath
* @author Yannick Warnier <ywarnier@beeznest.org> - redesign
* @author Denes Nagy, principal author
* @author Isthvan Mandak, several new features
* @author Roan Embrechts, code improvements and refactoring
*/
/**
* Code
*/
use \ChamiloSession as Session;
$_SESSION['whereami'] = 'lp/view';
$this_section = SECTION_COURSES;
if ($lp_controller_touched != 1) {
header('location: lp_controller.php?action=view&item_id='.intval($_REQUEST['item_id']));
exit;
}
/* Libraries */
require_once 'back_compat.inc.php';
require_once 'learnpath.class.php';
require_once 'learnpathItem.class.php';
//To prevent the template class
$show_learnpath = true;
api_protect_course_script();
$lp_id = intval($_GET['lp_id']);
// Check if the learning path is visible for student - (LP requisites)
if (!api_is_allowed_to_edit(null, true) && !learnpath::is_lp_visible_for_student($lp_id, api_get_user_id())) {
api_not_allowed(true);
}
//Checking visibility (eye icon)
$visibility = api_get_item_visibility(api_get_course_info(), TOOL_LEARNPATH, $lp_id, $action, api_get_user_id(), api_get_session_id());
if (!api_is_allowed_to_edit(false, true, false, false) && intval($visibility) == 0) {
api_not_allowed(true);
}
if (empty($_SESSION['oLP'])) {
api_not_allowed(true);
}
$debug = 0;
if ($debug) {
error_log('------ Entering lp_view.php -------');
}
$_SESSION['oLP']->error = '';
$lp_item_id = $_SESSION['oLP']->get_current_item_id();
$lp_type = $_SESSION['oLP']->get_type();
$course_code = api_get_course_id();
$course_id = api_get_course_int_id();
$user_id = api_get_user_id();
$platform_theme = api_get_setting('stylesheets'); // Plataform's css.
$my_style = $platform_theme;
$htmlHeadXtra[] = '<script src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.lp_minipanel.js" type="text/javascript" language="javascript"></script>';
$htmlHeadXtra[] = '<script>
$(document).ready(function() {
$("div#log_content_cleaner").bind("click", function() {
$("div#log_content").empty();
});
//jQuery("video:not(.skip), audio:not(.skip)").mediaelementplayer();
});
var chamilo_xajax_handler = window.oxajax;
</script>';
if ($_SESSION['oLP']->mode == 'embedframe' || $_SESSION['oLP']->get_hide_toc_frame()==1 ) {
$htmlHeadXtra[] = '<script>
$(document).ready(function() {
toogle_minipanel();
});
</script>';
}
//Impress js
if ($_SESSION['oLP']->mode == 'impress') {
$lp_id = $_SESSION['oLP']->get_id();
$url = api_get_path(WEB_CODE_PATH)."newscorm/lp_impress.php?lp_id=$lp_id&".api_get_cidreq();
header("Location: $url");
exit;
}
// Prepare variables for the test tool (just in case) - honestly, this should disappear later on.
$_SESSION['scorm_view_id'] = $_SESSION['oLP']->get_view_id();
$_SESSION['scorm_item_id'] = $lp_item_id;
// Reinit exercises variables to avoid spacename clashes (see exercise tool)
if (isset($exerciseResult) || isset($_SESSION['exerciseResult'])) {
Session::erase($exerciseResult);
}
unset($_SESSION['objExercise']);
unset($_SESSION['questionList']);
// additional APIs
$htmlHeadXtra[] = '<script>
chamilo_courseCode = "'.$course_code.'";
</script>';
// Document API
$htmlHeadXtra[] = '<script src="js/documentapi.js" type="text/javascript" language="javascript"></script>';
// Storage API
$htmlHeadXtra[] = '<script>
var sv_user = \''.api_get_user_id().'\';
var sv_course = chamilo_courseCode;
var sv_sco = \''.intval($_REQUEST['lp_id']).'\';
</script>'; // FIXME fetch sco and userid from a more reliable source directly in sotrageapi.js
$htmlHeadXtra[] = '<script type="text/javascript" src="js/storageapi.js"></script>';
/**
* Get a link to the corresponding document.
*/
if ($debug) {
error_log(" src: $src ");
error_log(" lp_type: $lp_type ");
}
$get_toc_list = $_SESSION['oLP']->get_toc();
$type_quiz = false;
foreach ($get_toc_list as $toc) {
if ($toc['id'] == $lp_item_id && ($toc['type']=='quiz')) {
$type_quiz = true;
}
}
if (!isset($src)) {
$src = null;
switch ($lp_type) {
case 1:
$_SESSION['oLP']->stop_previous_item();
$htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
if ($prereq_check === true) {
$src = $_SESSION['oLP']->get_link('http', $lp_item_id, $get_toc_list);
// Prevents FF 3.6 + Adobe Reader 9 bug see BT#794 when calling a pdf file in a LP.
$file_info = parse_url($src);
$file_info = pathinfo($file_info['path']);
if (api_strtolower(substr($file_info['extension'], 0, 3) == 'pdf')) {
$src = api_get_path(WEB_CODE_PATH).'newscorm/lp_view_item.php?lp_item_id='.$lp_item_id.'&'.api_get_cidreq();
}
$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
} else {
$src = 'blank.php?error=prerequisites';
}
break;
case 2:
// save old if asset
$_SESSION['oLP']->stop_previous_item(); // save status manually if asset
$htmlHeadXtra[] = '<script src="scorm_api.php" type="text/javascript" language="javascript"></script>';
$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
if ($prereq_check === true) {
$src = $_SESSION['oLP']->get_link('http', $lp_item_id, $get_toc_list);
$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
} else {
$src = 'blank.php?error=prerequisites';
}
break;
case 3:
// aicc
$_SESSION['oLP']->stop_previous_item(); // save status manually if asset
$htmlHeadXtra[] = '<script src="'.$_SESSION['oLP']->get_js_lib().'" type="text/javascript" language="javascript"></script>';
$prereq_check = $_SESSION['oLP']->prerequisites_match($lp_item_id);
if ($prereq_check === true) {
$src = $_SESSION['oLP']->get_link('http', $lp_item_id, $get_toc_list);
$_SESSION['oLP']->start_current_item(); // starts time counter manually if asset
} else {
$src = 'blank.php';
}
break;
case 4:
break;
}
}
$autostart = 'true';
// Update status, total_time from lp_item_view table when you finish the exercises in learning path.
if ($debug) {
error_log('$type_quiz: '.$type_quiz);
error_log('$_REQUEST[exeId]: '.intval($_REQUEST['exeId']));
error_log('$lp_id: '.$lp_id);
error_log('$_GET[lp_item_id]: '.intval($_GET['lp_item_id']));
}
if ($type_quiz && !empty($_REQUEST['exeId']) && isset($lp_id) && isset($_GET['lp_item_id'])) {
global $src;
$_SESSION['oLP']->items[$_SESSION['oLP']->current]->write_to_db();
$TBL_TRACK_EXERCICES = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_EXERCICES);
$TBL_LP_ITEM_VIEW = Database::get_course_table(TABLE_LP_ITEM_VIEW);
$TBL_LP_ITEM = Database::get_course_table(TABLE_LP_ITEM);
$safe_item_id = intval($_GET['lp_item_id']);
$safe_id = $lp_id;
$safe_exe_id = intval($_REQUEST['exeId']);
if ($safe_id == strval(intval($safe_id)) && $safe_item_id == strval(intval($safe_item_id))) {
$sql = 'SELECT start_date, exe_date, exe_result, exe_weighting FROM ' . $TBL_TRACK_EXERCICES . ' WHERE exe_id = '.$safe_exe_id;
$res = Database::query($sql);
$row_dates = Database::fetch_array($res);
$time_start_date = api_strtotime($row_dates['start_date'],'UTC');
$time_exe_date = api_strtotime($row_dates['exe_date'],'UTC');
$mytime = ((int)$time_exe_date-(int)$time_start_date);
$score = (float)$row_dates['exe_result'];
$max_score = (float)$row_dates['exe_weighting'];
$sql_upd_max_score = "UPDATE $TBL_LP_ITEM SET max_score = '$max_score' WHERE c_id = $course_id AND id = '".$safe_item_id."'";
Database::query($sql_upd_max_score);
$sql_last_attempt = "SELECT id FROM $TBL_LP_ITEM_VIEW WHERE c_id = $course_id AND lp_item_id = '$safe_item_id' AND lp_view_id = '".$_SESSION['oLP']->lp_view_id."' order by id desc limit 1";
$res_last_attempt = Database::query($sql_last_attempt);
if (Database::num_rows($res_last_attempt)) {
$row_last_attempt = Database::fetch_row($res_last_attempt);
$lp_item_view_id = $row_last_attempt[0];
$sql_upd_score = "UPDATE $TBL_LP_ITEM_VIEW SET status = 'completed' , score = $score, total_time = $mytime
WHERE id='".$lp_item_view_id."' AND c_id = $course_id ";
if ($debug) error_log($sql_upd_score);
Database::query($sql_upd_score);
$update_query = "UPDATE $TBL_TRACK_EXERCICES SET orig_lp_item_view_id = $lp_item_view_id WHERE exe_id = ".$safe_exe_id;
Database::query($update_query);
}
}
if (intval($_GET['fb_type']) > 0) {
$src = 'blank.php?msg=exerciseFinished';
} else {
$src = api_get_path(WEB_CODE_PATH).'exercice/result.php?origin=learnpath&id='.$safe_exe_id;
if ($debug) error_log('Calling URL: '.$src);
}
$autostart = 'false';
}
$_SESSION['oLP']->set_previous_item($lp_item_id);
$nameTools = Security :: remove_XSS($_SESSION['oLP']->get_name());
$save_setting = api_get_setting('show_navigation_menu');
global $_setting;
$_setting['show_navigation_menu'] = 'false';
$scorm_css_header = true;
$lp_theme_css = $_SESSION['oLP']->get_theme(); // Sets the css theme of the LP this call is also use at the frames (toc, nav, message).
if ($_SESSION['oLP']->mode == 'fullscreen') {
$htmlHeadXtra[] = "<script>window.open('$src','content_id','toolbar=0,location=0,status=0,scrollbars=1,resizable=1');</script>";
}
// Not in fullscreen mode.
Display::display_reduced_header($nameTools);
// Check if audio recorder needs to be in studentview.
if (isset($_SESSION['status']) && $_SESSION['status'][$course_code] == 5) {
$audio_recorder_studentview = true;
} else {
$audio_recorder_studentview = false;
}
// Set flag to ensure lp_header.php is loaded by this script (flag is unset in lp_header.php).
$_SESSION['loaded_lp_view'] = true;
$display_none = '';
$margin_left = '305px';
//Media player code
$display_mode = $_SESSION['oLP']->mode;
$scorm_css_header = true;
$lp_theme_css = $_SESSION['oLP']->get_theme();
// Setting up the CSS theme if exists.
if (!empty ($lp_theme_css) && !empty ($mycourselptheme) && $mycourselptheme != -1 && $mycourselptheme == 1) {
global $lp_theme_css;
} else {
$lp_theme_css = $my_style;
}
$progress_bar = $_SESSION['oLP']->get_progress_bar('', -1, '', true);
$navigation_bar = $_SESSION['oLP']->get_navigation_bar();
$mediaplayer = $_SESSION['oLP']->get_mediaplayer($autostart);
$tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
$show_audioplayer = false;
// Getting all the information about the item.
$sql = "SELECT audio FROM " . $tbl_lp_item . " WHERE c_id = $course_id AND lp_id = '" . $_SESSION['oLP']->lp_id."'";
$res_media= Database::query($sql);
if (Database::num_rows($res_media) > 0) {
while ($row_media= Database::fetch_array($res_media)) {
if (!empty($row_media['audio'])) {
$show_audioplayer = true;
break;
}
}
}
echo '<div id="learning_path_main" style="width:100%;height:100%;">';
$is_allowed_to_edit = api_is_allowed_to_edit(null, true, false, false);
if ($is_allowed_to_edit) {
echo '<div id="learning_path_breadcrumb_zone">';
global $interbreadcrumb;
$interbreadcrumb[] = array('url' => 'lp_controller.php?action=list&isStudentView=false', 'name' => get_lang('LearningPaths'));
$interbreadcrumb[] = array('url' => api_get_self()."?action=add_item&type=step&lp_id=".$_SESSION['oLP']->lp_id."&isStudentView=false", 'name' => $_SESSION['oLP']->get_name());
$interbreadcrumb[] = array('url' => '#', 'name' => get_lang('Preview'));
//$interbreadcrumb[] = array('type' => 'right', 'url' => api_get_self()."?action=add_item&type=step&lp_id=".$_SESSION['oLP']->lp_id."&isStudentView=false", 'name' => get_lang('Edit'), 'class' => 'btn btn-mini btn-warning');
echo return_breadcrumb($interbreadcrumb, null, null);
echo '</div>';
}
echo '<div id="learning_path_left_zone" style="'.$display_none.'"> ';
echo '<div id="header">
<table>
<tr>
<td>';
echo '<a href="lp_controller.php?action=return_to_course_homepage&'.api_get_cidreq().'" target="_self" onclick="javascript: window.parent.API.save_asset();">
<img src="../img/lp_arrow.gif" />
</a>
</td>
<td>';
if ($is_allowed_to_edit) {
echo '<a class="link no-border" href="lp_controller.php?isStudentView=false&action=return_to_course_homepage&'.api_get_cidreq().'" target="_self" onclick="javascript: window.parent.API.save_asset();">';
} else {
echo '<a class="link no-border" href="lp_controller.php?action=return_to_course_homepage&'.api_get_cidreq().'" target="_self" onclick="javascript: window.parent.API.save_asset();">';
}
echo get_lang('CourseHomepageLink').'
</a>
</td>
</tr>
</table>
</div>';
?>
<!-- end header -->
<!-- Author image preview -->
<div id="author_image">
<div id="author_icon">
<?php
if ($_SESSION['oLP']->get_preview_image() != '') {
$picture = getimagesize(api_get_path(SYS_COURSE_PATH).api_get_course_path().'/upload/learning_path/images/'.$_SESSION['oLP']->get_preview_image());
$style = null;
if ($picture['1'] < 96) {
$style = ' style="padding-top:'.((94 -$picture['1'])/2).'px;" ';
}
$size = ($picture['0'] > 104 && $picture['1'] > 96 )? ' width="104" height="96" ': $style;
$my_path = $_SESSION['oLP']->get_preview_image_path();
echo '<img src="'.$my_path.'">';
} else {
echo Display :: display_icon('unknown_250_100.jpg');
}
?>
</div>
<div id="lp_navigation_elem">
<?php echo $navigation_bar; ?>
<div id="progress_bar">
<?php echo $progress_bar; ?>
</div>
</div>
</div>
<!-- end image preview Layout -->
<div id="author_name">
<?php echo $_SESSION['oLP']->get_author(); ?>
</div>
<!-- media player layout -->
<?php
if ($show_audioplayer) {
echo '<div id="lp_media_file">';
echo $mediaplayer;
echo '</div>';
}
?>
<!-- end media player layout -->
<!-- TOC layout -->
<div id="toc_id" name="toc_name" style="overflow: auto; padding:0;margin-top:0px;width:100%;float:left">
<div id="learning_path_toc">
<?php echo $_SESSION['oLP']->get_html_toc($get_toc_list); ?>
</div>
</div>
<!-- end TOC layout -->
</div>
<!-- end left zone -->
<!-- right zone -->
<div id="learning_path_right_zone" style="margin-left:<?php echo $margin_left;?>;height:100%">
<?php
// hub 26-05-2010 Fullscreen or not fullscreen
$height = '100%';
if ($_SESSION['oLP']->mode == 'fullscreen') {
echo '<iframe id="content_id_blank" name="content_name_blank" src="blank.php" border="0" frameborder="0" style="width:100%;height:'.$height.'" ></iframe>';
} else {
echo '<iframe id="content_id" name="content_name" src="'.$src.'" border="0" frameborder="0" style="display: block; width:100%;height:'.$height.'"></iframe>';
}
?>
</div>
<!-- end right Zone -->
</div>
<script>
// Resize right and left pane to full height (HUB 20-05-2010).
function updateContentHeight() {
document.body.style.overflow = 'hidden';
var IE = window.navigator.appName.match(/microsoft/i);
var hauteurHeader = document.getElementById('header').offsetHeight;
var hauteurAuthorImg = document.getElementById('author_image').offsetHeight;
var hauteurAuthorName = document.getElementById('author_name').offsetHeight;
var hauteurMedia = 0;
if ($("#lp_media_file").length != 0) {
hauteurMedia = document.getElementById('lp_media_file').offsetHeight;
}
var hauteurTitre = document.getElementById('scorm_title').offsetHeight;
var hauteurAction = 0;
if (document.getElementById('actions_lp')) hauteurAction = document.getElementById('actions_lp').offsetHeight;
var hauteurHaut = hauteurHeader+hauteurAuthorImg+hauteurAuthorName+hauteurMedia+hauteurTitre+hauteurAction;
var innerHauteur = (IE) ? document.body.clientHeight : window.innerHeight ;
var debugsize = 0;
// -40 is a static adjustement for margin, spaces on the page
<?php if (!empty($_SESSION['oLP']->scorm_debug)) echo 'debugsize = 150;' ?>
document.getElementById('inner_lp_toc').style.height = innerHauteur - hauteurHaut - 40 - debugsize + "px";
if (document.getElementById('content_id')) {
document.getElementById('content_id').style.height = innerHauteur + 'px';
}
// Loads the glossary library.
<?php
if (api_get_setting('show_glossary_in_extra_tools') == 'true') {
if (api_get_setting('show_glossary_in_documents') == 'ismanual') {
?>
$.frameReady(function(){
// $("<div>I am a div courses</div>").prependTo("body");
}, "top.content_name",
{ load: [
{type:"script", id:"_fr1", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.min.js"},
{type:"script", id:"_fr4", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.min.js"},
{type:"stylesheet", id:"_fr5", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.css"},
{type:"script", id:"_fr2", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.highlight.js"}
] }
);
<?php
} elseif (api_get_setting('show_glossary_in_documents') == 'isautomatic') {
?>
$.frameReady(function(){
// $("<div>I am a div courses</div>").prependTo("body");
},
"top.content_name",
{
load: [
{type:"script", id:"_fr1", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.min.js"},
{type:"script", id:"_fr4", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.min.js"},
{type:"stylesheet", id:"_fr5", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery-ui/smoothness/jquery-ui-1.8.21.custom.css"},
{type:"script", id:"_fr2", src:"<?php echo api_get_path(WEB_LIBRARY_PATH); ?>javascript/jquery.highlight.js"}
]}
);
<?php
}
}
?>}
$(document).ready(function() {
updateContentHeight();
$(window).resize(function() {
updateContentHeight();
});
});
//window.onload = updateContentHeight;
//window.onresize = updateContentHeight;
</script>
<?php
// Restore a global setting.
$_setting['show_navigation_menu'] = $save_setting;
if ($debug) {
error_log(' ------- end lp_view.php ------');
}