chamilo / chamilo-lms

main/inc/ajax/chat.ajax.php

Switch Indentation +49 added lines, -49 removed lines

@@ -55,56 +55,56 @@
 }
 
 switch ($action) {
-    case 'chatheartbeat':
-        $chat->heartbeat();
-        break;
-    case 'closechat':
-        $chat->close();
-        break;
-    case 'sendchat':
-        $chat->send(api_get_user_id(), $to_user_id, $message);
-        break;
-    case 'startchatsession':
-        $chat->startSession();
-        break;
-    case 'set_status':
-        $status = isset($_REQUEST['status']) ? intval($_REQUEST['status']) : 0;
-        $chat->setUserStatus($status);
-        break;
-    case 'create_room':
-        $room = VideoChat::getChatRoomByUsers(api_get_user_id(), $to_user_id);
-
-        if ($room === false) {
-            $createdRoom = VideoChat::createRoom(api_get_user_id(), $to_user_id);
-
-            if ($createdRoom === false) {
-                echo Display::return_message(get_lang('ChatRoomNotCreated'), 'error');
-                break;
+        case 'chatheartbeat':
+            $chat->heartbeat();
+            break;
+        case 'closechat':
+            $chat->close();
+            break;
+        case 'sendchat':
+            $chat->send(api_get_user_id(), $to_user_id, $message);
+            break;
+        case 'startchatsession':
+            $chat->startSession();
+            break;
+        case 'set_status':
+            $status = isset($_REQUEST['status']) ? intval($_REQUEST['status']) : 0;
+            $chat->setUserStatus($status);
+            break;
+        case 'create_room':
+            $room = VideoChat::getChatRoomByUsers(api_get_user_id(), $to_user_id);
+
+            if ($room === false) {
+                $createdRoom = VideoChat::createRoom(api_get_user_id(), $to_user_id);
+
+                if ($createdRoom === false) {
+                    echo Display::return_message(get_lang('ChatRoomNotCreated'), 'error');
+                    break;
+                }
+
+                $room = VideoChat::getChatRoomByUsers(api_get_user_id(), $to_user_id);
             }
 
-            $room = VideoChat::getChatRoomByUsers(api_get_user_id(), $to_user_id);
-        }
-
-        $videoChatUrl = api_get_path(WEB_LIBRARY_JS_PATH) . "chat/video.php?room={$room['id']}";
-        $videoChatLink = Display::url(
-            Display::returnFontAwesomeIcon('video-camera') . get_lang('StartVideoChat'),
-            $videoChatUrl
-        );
-
-        $chat->send(
-            api_get_user_id(),
-            $to_user_id,
-            $videoChatLink,
-            false,
-            false
-        );
-
-        echo Display::tag('p', $videoChatLink, ['class' => 'lead']);
-        break;
-    case 'notify_not_support':
-        $chat->send(api_get_user_id(), $to_user_id, get_lang('TheXUserBrowserDoesNotSupportWebRTC'));
-        break;
-    default:
-        echo '';
+            $videoChatUrl = api_get_path(WEB_LIBRARY_JS_PATH) . "chat/video.php?room={$room['id']}";
+            $videoChatLink = Display::url(
+                Display::returnFontAwesomeIcon('video-camera') . get_lang('StartVideoChat'),
+                $videoChatUrl
+            );
+
+            $chat->send(
+                api_get_user_id(),
+                $to_user_id,
+                $videoChatLink,
+                false,
+                false
+            );
+
+            echo Display::tag('p', $videoChatLink, ['class' => 'lead']);
+            break;
+        case 'notify_not_support':
+            $chat->send(api_get_user_id(), $to_user_id, get_lang('TheXUserBrowserDoesNotSupportWebRTC'));
+            break;
+        default:
+            echo '';
 }
 exit;

main/lp/storageapi.php

Switch Indentation +46 added lines, -46 removed lines

@@ -15,52 +15,52 @@
 }
 
 switch ($_REQUEST['action']) {
-    case "get":
-        print storage_get($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
-        break;
-    case "set":
-        if (storage_can_set($_REQUEST['svuser'])) {
-            print storage_set($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svvalue']);
-        }
-        break;
-    case "getall":
-        print storage_getall($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco']);
-        break;
-    case "stackpush":
-        if (storage_can_set($_REQUEST['svuser'])) {
-            print storage_stack_push($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svvalue']);
-        }
-        break;
-    case "stackpop":
-        if (storage_can_set($_REQUEST['svuser'])) {
-            print storage_stack_pop($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
-        }
-        break;
-    case "stacklength":
-        print storage_stack_length($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
-        break;
-    case "stackclear":
-        if (storage_can_set($_REQUEST['svuser'])) {
-            print storage_stack_clear($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
-        }
-        break;
-    case "stackgetall":
-        if (storage_can_set($_REQUEST['svuser']))
-            print storage_stack_getall($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
-        break;
-    case "getposition":
-        print storage_get_position($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svasc']);
-        break;
-    case "getleaders":
-        print storage_get_leaders($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svasc'], $_REQUEST['svlength']);
-        break;
-    case "usersgetall":
-// security issue
-        print "NOT allowed, security issue, see sources";
-//		print storage_get_all_users();
-        break;
-    default:
-        // Do nothing
+        case "get":
+            print storage_get($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
+            break;
+        case "set":
+            if (storage_can_set($_REQUEST['svuser'])) {
+                print storage_set($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svvalue']);
+            }
+            break;
+        case "getall":
+            print storage_getall($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco']);
+            break;
+        case "stackpush":
+            if (storage_can_set($_REQUEST['svuser'])) {
+                print storage_stack_push($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svvalue']);
+            }
+            break;
+        case "stackpop":
+            if (storage_can_set($_REQUEST['svuser'])) {
+                print storage_stack_pop($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
+            }
+            break;
+        case "stacklength":
+            print storage_stack_length($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
+            break;
+        case "stackclear":
+            if (storage_can_set($_REQUEST['svuser'])) {
+                print storage_stack_clear($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
+            }
+            break;
+        case "stackgetall":
+            if (storage_can_set($_REQUEST['svuser']))
+                print storage_stack_getall($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey']);
+            break;
+        case "getposition":
+            print storage_get_position($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svasc']);
+            break;
+        case "getleaders":
+            print storage_get_leaders($_REQUEST['svuser'], $_REQUEST['svcourse'], $_REQUEST['svsco'], $_REQUEST['svkey'], $_REQUEST['svasc'], $_REQUEST['svlength']);
+            break;
+        case "usersgetall":
+    // security issue
+            print "NOT allowed, security issue, see sources";
+    //		print storage_get_all_users();
+            break;
+        default:
+            // Do nothing
 }
 
 function storage_can_set($sv_user) {

main/upload/upload.php

Switch Indentation +10 added lines, -10 removed lines

@@ -31,14 +31,14 @@
  * Redirect to the correct script to handle this type of upload
  */
 switch ($toolFromSession) {
-    case TOOL_LEARNPATH:
-        require 'upload.scorm.php';
-        break;
-    //the following cases need to be distinguished later on
-    case TOOL_DROPBOX:
-    case TOOL_STUDENTPUBLICATION:
-    case TOOL_DOCUMENT:
-    default:
-        require 'upload.document.php';
-        break;
+        case TOOL_LEARNPATH:
+            require 'upload.scorm.php';
+            break;
+        //the following cases need to be distinguished later on
+        case TOOL_DROPBOX:
+        case TOOL_STUDENTPUBLICATION:
+        case TOOL_DOCUMENT:
+        default:
+            require 'upload.document.php';
+            break;
 }

main/auth/courses.php

Switch Indentation +136 added lines, -136 removed lines

@@ -175,28 +175,53 @@ 
 }
 
 switch ($action) {
-    case 'subscribe_user_with_password':
-        $courses_controller->subscribe_user(
-            isset($_POST['subscribe_user_with_password']) ? $_POST['subscribe_user_with_password'] : '',
-            isset($_POST['search_term']) ? $_POST['search_term'] : '',
-            isset($_POST['category_code']) ? $_POST['category_code'] : ''
-        );
-        break;
-    case 'createcoursecategory':
-        $courses_controller->categories_list($action);
-        break;
-    case 'deletecoursecategory':
-        $courses_controller->courses_list($action);
-        break;
-    case 'sortmycourses':
-        $courses_controller->courses_list($action);
-        break;
-    case 'subscribe':
-        if (!$user_can_view_page) {
-            api_not_allowed(true);
-        }
-
-        if (!CoursesAndSessionsCatalog::is(CATALOG_SESSIONS)) {
+        case 'subscribe_user_with_password':
+            $courses_controller->subscribe_user(
+                isset($_POST['subscribe_user_with_password']) ? $_POST['subscribe_user_with_password'] : '',
+                isset($_POST['search_term']) ? $_POST['search_term'] : '',
+                isset($_POST['category_code']) ? $_POST['category_code'] : ''
+            );
+            break;
+        case 'createcoursecategory':
+            $courses_controller->categories_list($action);
+            break;
+        case 'deletecoursecategory':
+            $courses_controller->courses_list($action);
+            break;
+        case 'sortmycourses':
+            $courses_controller->courses_list($action);
+            break;
+        case 'subscribe':
+            if (!$user_can_view_page) {
+                api_not_allowed(true);
+            }
+
+            if (!CoursesAndSessionsCatalog::is(CATALOG_SESSIONS)) {
+                $courses_controller->courses_categories(
+                    $action,
+                    $categoryCode,
+                    null,
+                    null,
+                    null,
+                    $limit
+                );
+            } else {
+                header('Location: ' . api_get_self());
+                exit;
+            }
+            break;
+        case 'display_random_courses':
+            if (!$user_can_view_page) {
+                api_not_allowed(true);
+            }
+
+            $courses_controller->courses_categories($action);
+            break;
+        case 'display_courses':
+            if (!$user_can_view_page) {
+                api_not_allowed(true);
+            }
+
             $courses_controller->courses_categories(
                 $action,
                 $categoryCode,
@@ -205,127 +230,102 @@ 
                 null,
                 $limit
             );
-        } else {
-            header('Location: ' . api_get_self());
-            exit;
-        }
-        break;
-    case 'display_random_courses':
-        if (!$user_can_view_page) {
-            api_not_allowed(true);
-        }
-
-        $courses_controller->courses_categories($action);
-        break;
-    case 'display_courses':
-        if (!$user_can_view_page) {
-            api_not_allowed(true);
-        }
-
-        $courses_controller->courses_categories(
-            $action,
-            $categoryCode,
-            null,
-            null,
-            null,
-            $limit
-        );
-        break;
-    case 'display_sessions':
-        if (!$user_can_view_page) {
-            api_not_allowed(true);
-        }
-
-        $courses_controller->sessionsList($action, $nameTools, $limit);
-        break;
-    case 'subscribe_to_session':
-        if (!$user_can_view_page) {
-            api_not_allowed(true);
-        }
-
-        $userId = api_get_user_id();
-        $confirmed = isset($_GET['confirm']);
-        $sessionId = intval($_GET['session_id']);
-
-        if (empty($userId)) {
-            api_not_allowed();
-            exit;
-        }
-
-        if (!$confirmed) {
-            $template = new Template(null, false, false, false, false, false);
-            $template->assign('session_id', $sessionId);
-
-            $layout = $template->get_template('auth/confirm_session_subscription.tpl');
-
-            echo $template->fetch($layout);
-            exit;
-        }
-
-        $registrationAllowed = api_get_setting('catalog_allow_session_auto_subscription');
-        if ($registrationAllowed === 'true') {
-            $entityManager = Database::getManager();
-            $repository = $entityManager->getRepository('ChamiloCoreBundle:SequenceResource');
-
-            $sequences = $repository->getRequirements(
-                $sessionId,
-                SequenceResource::SESSION_TYPE
-            );
+            break;
+        case 'display_sessions':
+            if (!$user_can_view_page) {
+                api_not_allowed(true);
+            }
+
+            $courses_controller->sessionsList($action, $nameTools, $limit);
+            break;
+        case 'subscribe_to_session':
+            if (!$user_can_view_page) {
+                api_not_allowed(true);
+            }
 
-            if (count($sequences) > 0) {
-                $requirementsData = SequenceResourceManager::checkRequirementsForUser(
-                    $sequences,
-                    SequenceResource::SESSION_TYPE,
-                    $userId
+            $userId = api_get_user_id();
+            $confirmed = isset($_GET['confirm']);
+            $sessionId = intval($_GET['session_id']);
+
+            if (empty($userId)) {
+                api_not_allowed();
+                exit;
+            }
+
+            if (!$confirmed) {
+                $template = new Template(null, false, false, false, false, false);
+                $template->assign('session_id', $sessionId);
+
+                $layout = $template->get_template('auth/confirm_session_subscription.tpl');
+
+                echo $template->fetch($layout);
+                exit;
+            }
+
+            $registrationAllowed = api_get_setting('catalog_allow_session_auto_subscription');
+            if ($registrationAllowed === 'true') {
+                $entityManager = Database::getManager();
+                $repository = $entityManager->getRepository('ChamiloCoreBundle:SequenceResource');
+
+                $sequences = $repository->getRequirements(
+                    $sessionId,
+                    SequenceResource::SESSION_TYPE
                 );
 
-                $continueWithSubscription = SequenceResourceManager::checkSequenceAreCompleted($requirementsData);
+                if (count($sequences) > 0) {
+                    $requirementsData = SequenceResourceManager::checkRequirementsForUser(
+                        $sequences,
+                        SequenceResource::SESSION_TYPE,
+                        $userId
+                    );
+
+                    $continueWithSubscription = SequenceResourceManager::checkSequenceAreCompleted($requirementsData);
 
-                if (!$continueWithSubscription) {
-                    header('Location: ' .  api_get_path(WEB_CODE_PATH) . 'auth/courses.php');
-                    exit;
+                    if (!$continueWithSubscription) {
+                        header('Location: ' .  api_get_path(WEB_CODE_PATH) . 'auth/courses.php');
+                        exit;
+                    }
                 }
-            }
 
-            SessionManager::subscribe_users_to_session(
-                $_GET['session_id'],
-                array($userId),
-                SESSION_VISIBLE_READ_ONLY,
-                false
-            );
+                SessionManager::subscribe_users_to_session(
+                    $_GET['session_id'],
+                    array($userId),
+                    SESSION_VISIBLE_READ_ONLY,
+                    false
+                );
 
-            $coursesList = SessionManager::get_course_list_by_session_id($_GET['session_id']);
-            $count = count($coursesList);
-            $url = '';
-
-            if ($count <= 0) {
-                // no course in session -> return to catalog
-                $url = api_get_path(WEB_CODE_PATH) . 'auth/courses.php';
-            } elseif ($count == 1) {
-                // only one course, so redirect directly to this course
-                foreach ($coursesList as $course) {
-                    $url = api_get_path(WEB_COURSE_PATH) . $course['directory'] . '/index.php?id_session=' . intval($_GET['session_id']);
+                $coursesList = SessionManager::get_course_list_by_session_id($_GET['session_id']);
+                $count = count($coursesList);
+                $url = '';
+
+                if ($count <= 0) {
+                    // no course in session -> return to catalog
+                    $url = api_get_path(WEB_CODE_PATH) . 'auth/courses.php';
+                } elseif ($count == 1) {
+                    // only one course, so redirect directly to this course
+                    foreach ($coursesList as $course) {
+                        $url = api_get_path(WEB_COURSE_PATH) . $course['directory'] . '/index.php?id_session=' . intval($_GET['session_id']);
+                    }
+                } else {
+                    $url = api_get_path(WEB_CODE_PATH) . 'session/index.php?session_id=' . intval($_GET['session_id']);
                 }
-            } else {
-                $url = api_get_path(WEB_CODE_PATH) . 'session/index.php?session_id=' . intval($_GET['session_id']);
+                header('Location: ' . $url);
+                exit;
             }
-            header('Location: ' . $url);
-            exit;
-        }
-        //else show error message?
-        break;
-    case 'search_tag':
-        if (!$user_can_view_page) {
-            api_not_allowed(true);
-        }
-
-        $courses_controller->sessionsListByCoursesTag($limit);
-        break;
-    case 'search_session':
-        if (!$user_can_view_page) {
-            api_not_allowed(true);
-        }
-
-        $courses_controller->sessionListBySearch($limit);
-        break;
+            //else show error message?
+            break;
+        case 'search_tag':
+            if (!$user_can_view_page) {
+                api_not_allowed(true);
+            }
+
+            $courses_controller->sessionsListByCoursesTag($limit);
+            break;
+        case 'search_session':
+            if (!$user_can_view_page) {
+                api_not_allowed(true);
+            }
+
+            $courses_controller->sessionListBySearch($limit);
+            break;
 }

main/user/user_export.php

Switch Indentation +11 added lines, -11 removed lines

@@ -149,15 +149,15 @@
 }
 
 switch ($file_type) {
-    case 'xml':
-        Export::arrayToXml($data, $filename, 'Contact', 'Contacts');
-        exit;
-        break;
-    case 'csv':
-        Export::arrayToCsv($data, $filename);
-        exit;
-    case 'xls':
-        Export::arrayToXls($data, $filename);
-        exit;
-        break;
+        case 'xml':
+            Export::arrayToXml($data, $filename, 'Contact', 'Contacts');
+            exit;
+            break;
+        case 'csv':
+            Export::arrayToCsv($data, $filename);
+            exit;
+        case 'xls':
+            Export::arrayToXls($data, $filename);
+            exit;
+            break;
 }
\ No newline at end of file

main/lp/lp_controller.php

Switch Indentation +927 added lines, -927 removed lines

@@ -365,858 +365,858 @@ 
 }
 
 switch ($action) {
-    case 'add_item':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            //check if the learnpath ID was defined, otherwise send back to list
-            if ($debug > 0) {
-                error_log('New LP - No learnpath given for add item', 0);
+        case 'add_item':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
             }
-            require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
+            if (!$lp_found) {
+                //check if the learnpath ID was defined, otherwise send back to list
+                if ($debug > 0) {
+                    error_log('New LP - No learnpath given for add item', 0);
+                }
+                require 'lp_list.php';
+            } else {
+                $_SESSION['refresh'] = 1;
 
-            if (isset($_POST['submit_button']) && !empty($post_title)) {
-                // If a title was submitted:
+                if (isset($_POST['submit_button']) && !empty($post_title)) {
+                    // If a title was submitted:
 
-                //Updating the lp.modified_on
-                $_SESSION['oLP']->set_modified_on();
+                    //Updating the lp.modified_on
+                    $_SESSION['oLP']->set_modified_on();
 
-                if (isset($_SESSION['post_time']) && $_SESSION['post_time'] == $_POST['post_time']) {
-                    // Check post_time to ensure ??? (counter-hacking measure?)
-                    require 'lp_add_item.php';
-                } else {
-                    $_SESSION['post_time'] = $_POST['post_time'];
-                    $directoryParentId = isset($_POST['directory_parent_id']) ? $_POST['directory_parent_id'] : 0;
-                    $courseInfo = api_get_course_info();
-                    if (empty($directoryParentId)) {
-                        $_SESSION['oLP']->generate_lp_folder($courseInfo);
-                    }
+                    if (isset($_SESSION['post_time']) && $_SESSION['post_time'] == $_POST['post_time']) {
+                        // Check post_time to ensure ??? (counter-hacking measure?)
+                        require 'lp_add_item.php';
+                    } else {
+                        $_SESSION['post_time'] = $_POST['post_time'];
+                        $directoryParentId = isset($_POST['directory_parent_id']) ? $_POST['directory_parent_id'] : 0;
+                        $courseInfo = api_get_course_info();
+                        if (empty($directoryParentId)) {
+                            $_SESSION['oLP']->generate_lp_folder($courseInfo);
+                        }
 
-                    $parent = isset($_POST['parent']) ? $_POST['parent'] : '';
-                    $previous = isset($_POST['previous']) ? $_POST['previous'] : '';
-                    $type = isset($_POST['type']) ? $_POST['type'] : '';
-                    $path = isset($_POST['path']) ? $_POST['path'] : '';
-                    $description = isset($_POST['description']) ? $_POST['description'] : '';
-                    $prerequisites = isset($_POST['prerequisites']) ? $_POST['prerequisites'] : '';
-                    $maxTimeAllowed = isset($_POST['maxTimeAllowed']) ? $_POST['maxTimeAllowed'] : '';
+                        $parent = isset($_POST['parent']) ? $_POST['parent'] : '';
+                        $previous = isset($_POST['previous']) ? $_POST['previous'] : '';
+                        $type = isset($_POST['type']) ? $_POST['type'] : '';
+                        $path = isset($_POST['path']) ? $_POST['path'] : '';
+                        $description = isset($_POST['description']) ? $_POST['description'] : '';
+                        $prerequisites = isset($_POST['prerequisites']) ? $_POST['prerequisites'] : '';
+                        $maxTimeAllowed = isset($_POST['maxTimeAllowed']) ? $_POST['maxTimeAllowed'] : '';
+
+                        if ($_POST['type'] == TOOL_DOCUMENT) {
+                            if (isset($_POST['path']) && $_GET['edit'] != 'true') {
+                                $document_id = $_POST['path'];
+                            } else {
+                                if ($_POST['content_lp']) {
+                                    $document_id = $_SESSION['oLP']->create_document(
+                                        $_course,
+                                        $_POST['content_lp'],
+                                        $_POST['title'],
+                                        'html',
+                                        $directoryParentId
+                                    );
+                                }
+                            }
 
-                    if ($_POST['type'] == TOOL_DOCUMENT) {
-                        if (isset($_POST['path']) && $_GET['edit'] != 'true') {
-                            $document_id = $_POST['path'];
+                            $new_item_id = $_SESSION['oLP']->add_item(
+                                $parent,
+                                $previous,
+                                $type,
+                                $document_id,
+                                $post_title,
+                                $description,
+                                $prerequisites
+                            );
                         } else {
-                            if ($_POST['content_lp']) {
-                                $document_id = $_SESSION['oLP']->create_document(
-                                    $_course,
-                                    $_POST['content_lp'],
-                                    $_POST['title'],
-                                    'html',
-                                    $directoryParentId
-                                );
-                            }
+                            // For all other item types than documents, load the item using the item type and path rather than its ID.
+                            $new_item_id = $_SESSION['oLP']->add_item(
+                                $parent,
+                                $previous,
+                                $type,
+                                $path,
+                                $post_title,
+                                $description,
+                                $prerequisites,
+                                $maxTimeAllowed
+                            );
                         }
-
-                        $new_item_id = $_SESSION['oLP']->add_item(
-                            $parent,
-                            $previous,
-                            $type,
-                            $document_id,
-                            $post_title,
-                            $description,
-                            $prerequisites
-                        );
-                    } else {
-                        // For all other item types than documents, load the item using the item type and path rather than its ID.
-                        $new_item_id = $_SESSION['oLP']->add_item(
-                            $parent,
-                            $previous,
-                            $type,
-                            $path,
-                            $post_title,
-                            $description,
-                            $prerequisites,
-                            $maxTimeAllowed
-                        );
+                        $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
+                        header('Location: '.$url);
+                        exit;
                     }
-                    $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
-                    header('Location: '.$url);
-                    exit;
+                } else {
+                    require 'lp_add_item.php';
                 }
-            } else {
-                require 'lp_add_item.php';
             }
-        }
-        break;
-    case 'add_users_to_category':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        require 'lp_subscribe_users_to_category.php';
-        break;
-    case 'add_audio':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            //check if the learnpath ID was defined, otherwise send back to list
-            if ($debug > 0) {
-                error_log('New LP - No learnpath given for add audio', 0);
+            break;
+        case 'add_users_to_category':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
             }
-            require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
-
-            if (isset($_REQUEST['id'])) {
-                $lp_item_obj = new learnpathItem($_REQUEST['id']);
-
-                // Remove audio
-                if (isset($_GET['delete_file']) && $_GET['delete_file'] == 1) {
-                    $lp_item_obj->remove_audio();
-
-                    $url = api_get_self().'?action=add_audio&lp_id='.intval($_SESSION['oLP']->lp_id).'&id='.$lp_item_obj->get_id().'&'.api_get_cidreq();
-                    header('Location: '.$url);
-                    exit;
+            require 'lp_subscribe_users_to_category.php';
+            break;
+        case 'add_audio':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                //check if the learnpath ID was defined, otherwise send back to list
+                if ($debug > 0) {
+                    error_log('New LP - No learnpath given for add audio', 0);
                 }
+                require 'lp_list.php';
+            } else {
+                $_SESSION['refresh'] = 1;
 
-                // Upload audio
-                if (isset($_FILES['file']) && !empty($_FILES['file'])) {
-                    // Updating the lp.modified_on
-                    $_SESSION['oLP']->set_modified_on();
-                    $lp_item_obj->add_audio();
-                }
+                if (isset($_REQUEST['id'])) {
+                    $lp_item_obj = new learnpathItem($_REQUEST['id']);
 
-                //Add audio file from documents
-                if (isset($_REQUEST['document_id']) && !empty($_REQUEST['document_id'])) {
-                    $_SESSION['oLP']->set_modified_on();
-                    $lp_item_obj->add_audio_from_documents($_REQUEST['document_id']);
-                }
+                    // Remove audio
+                    if (isset($_GET['delete_file']) && $_GET['delete_file'] == 1) {
+                        $lp_item_obj->remove_audio();
 
-                // Display.
-                require 'lp_add_audio.php';
-            } else {
-                require 'lp_add_audio.php';
-            }
-        }
-        break;
-    case 'add_lp_category':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        require 'lp_add_category.php';
-        break;
-    case 'move_up_category':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (isset($_REQUEST['id'])) {
-            learnpath::moveUpCategory($_REQUEST['id']);
-        }
-        require 'lp_list.php';
-        break;
-    case 'move_down_category':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (isset($_REQUEST['id'])) {
-            learnpath::moveDownCategory($_REQUEST['id']);
-        }
-        require 'lp_list.php';
-        break;
-    case 'delete_lp_category':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (isset($_REQUEST['id'])) {
-            learnpath::deleteCategory($_REQUEST['id']);
-        }
-        require 'lp_list.php';
-        break;
-    case 'add_lp':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (isset($_REQUEST['lp_name']) && !empty($_REQUEST['lp_name'])) {
-            $_REQUEST['lp_name'] = trim($_REQUEST['lp_name']);
-            $_SESSION['refresh'] = 1;
+                        $url = api_get_self().'?action=add_audio&lp_id='.intval($_SESSION['oLP']->lp_id).'&id='.$lp_item_obj->get_id().'&'.api_get_cidreq();
+                        header('Location: '.$url);
+                        exit;
+                    }
 
-            if (isset($_SESSION['post_time']) && $_SESSION['post_time'] == $_REQUEST['post_time']) {
-                require 'lp_add.php';
-            } else {
-                $_SESSION['post_time'] = $_REQUEST['post_time'];
+                    // Upload audio
+                    if (isset($_FILES['file']) && !empty($_FILES['file'])) {
+                        // Updating the lp.modified_on
+                        $_SESSION['oLP']->set_modified_on();
+                        $lp_item_obj->add_audio();
+                    }
 
-                if (isset($_REQUEST['activate_start_date_check']) &&
-                    $_REQUEST['activate_start_date_check'] == 1
-                ) {
-                    $publicated_on = $_REQUEST['publicated_on'];
+                    //Add audio file from documents
+                    if (isset($_REQUEST['document_id']) && !empty($_REQUEST['document_id'])) {
+                        $_SESSION['oLP']->set_modified_on();
+                        $lp_item_obj->add_audio_from_documents($_REQUEST['document_id']);
+                    }
+
+                    // Display.
+                    require 'lp_add_audio.php';
                 } else {
-                    $publicated_on = null;
+                    require 'lp_add_audio.php';
                 }
+            }
+            break;
+        case 'add_lp_category':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            require 'lp_add_category.php';
+            break;
+        case 'move_up_category':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (isset($_REQUEST['id'])) {
+                learnpath::moveUpCategory($_REQUEST['id']);
+            }
+            require 'lp_list.php';
+            break;
+        case 'move_down_category':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (isset($_REQUEST['id'])) {
+                learnpath::moveDownCategory($_REQUEST['id']);
+            }
+            require 'lp_list.php';
+            break;
+        case 'delete_lp_category':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (isset($_REQUEST['id'])) {
+                learnpath::deleteCategory($_REQUEST['id']);
+            }
+            require 'lp_list.php';
+            break;
+        case 'add_lp':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (isset($_REQUEST['lp_name']) && !empty($_REQUEST['lp_name'])) {
+                $_REQUEST['lp_name'] = trim($_REQUEST['lp_name']);
+                $_SESSION['refresh'] = 1;
 
-                if (isset($_REQUEST['activate_end_date_check']) &&
-                    $_REQUEST['activate_end_date_check'] == 1
-                ) {
-                    $expired_on = $_REQUEST['expired_on'];
+                if (isset($_SESSION['post_time']) && $_SESSION['post_time'] == $_REQUEST['post_time']) {
+                    require 'lp_add.php';
                 } else {
-                    $expired_on = null;
-                }
+                    $_SESSION['post_time'] = $_REQUEST['post_time'];
 
-                $new_lp_id = learnpath::add_lp(
-                    api_get_course_id(),
-                    Security::remove_XSS($_REQUEST['lp_name']),
-                    '',
-                    'chamilo',
-                    'manual',
-                    '',
-                    $publicated_on,
-                    $expired_on,
-                    $_REQUEST['category_id']
-                );
+                    if (isset($_REQUEST['activate_start_date_check']) &&
+                        $_REQUEST['activate_start_date_check'] == 1
+                    ) {
+                        $publicated_on = $_REQUEST['publicated_on'];
+                    } else {
+                        $publicated_on = null;
+                    }
 
-                if (is_numeric($new_lp_id)) {
-                    // TODO: Maybe create a first directory directly to avoid bugging the user with useless queries
-                    $_SESSION['oLP'] = new learnpath(
+                    if (isset($_REQUEST['activate_end_date_check']) &&
+                        $_REQUEST['activate_end_date_check'] == 1
+                    ) {
+                        $expired_on = $_REQUEST['expired_on'];
+                    } else {
+                        $expired_on = null;
+                    }
+
+                    $new_lp_id = learnpath::add_lp(
                         api_get_course_id(),
-                        $new_lp_id,
-                        api_get_user_id()
+                        Security::remove_XSS($_REQUEST['lp_name']),
+                        '',
+                        'chamilo',
+                        'manual',
+                        '',
+                        $publicated_on,
+                        $expired_on,
+                        $_REQUEST['category_id']
                     );
 
-                    $accumulateScormTime = isset($_REQUEST['accumulate_scorm_time']) ? $_REQUEST['accumulate_scorm_time'] : 'true';
-                    $_SESSION['oLP']->setAccumulateScormTime($accumulateScormTime);
+                    if (is_numeric($new_lp_id)) {
+                        // TODO: Maybe create a first directory directly to avoid bugging the user with useless queries
+                        $_SESSION['oLP'] = new learnpath(
+                            api_get_course_id(),
+                            $new_lp_id,
+                            api_get_user_id()
+                        );
 
-                    $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($new_lp_id).'&'.api_get_cidreq();
-                    header("Location: $url&isStudentView=false");
-                    exit;
+                        $accumulateScormTime = isset($_REQUEST['accumulate_scorm_time']) ? $_REQUEST['accumulate_scorm_time'] : 'true';
+                        $_SESSION['oLP']->setAccumulateScormTime($accumulateScormTime);
+
+                        $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($new_lp_id).'&'.api_get_cidreq();
+                        header("Location: $url&isStudentView=false");
+                        exit;
+                    }
                 }
+            } else {
+                require 'lp_add.php';
             }
-        } else {
-            require 'lp_add.php';
-        }
-        break;
-    case 'admin_view':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for admin_view', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
-            require 'lp_admin_view.php';
-        }
-        break;
-    case 'auto_launch':
-        if (api_get_course_setting('enable_lp_auto_launch') == 1) { //Redirect to a specific LP
+            break;
+        case 'admin_view':
             if (!$is_allowed_to_edit) {
                 api_not_allowed(true);
             }
             if (!$lp_found) {
-                error_log('New LP - No learnpath given for set_autolaunch', 0);
+                error_log('New LP - No learnpath given for admin_view', 0);
                 require 'lp_list.php';
+            } else {
+                $_SESSION['refresh'] = 1;
+                require 'lp_admin_view.php';
             }
-            else {
-                $_SESSION['oLP']->set_autolaunch($_GET['lp_id'], $_GET['status']);
+            break;
+        case 'auto_launch':
+            if (api_get_course_setting('enable_lp_auto_launch') == 1) { //Redirect to a specific LP
+                if (!$is_allowed_to_edit) {
+                    api_not_allowed(true);
+                }
+                if (!$lp_found) {
+                    error_log('New LP - No learnpath given for set_autolaunch', 0);
+                    require 'lp_list.php';
+                }
+                else {
+                    $_SESSION['oLP']->set_autolaunch($_GET['lp_id'], $_GET['status']);
+                    require 'lp_list.php';
+                    exit;
+                }
+            }
+            break;
+        case 'build':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for build', 0);
                 require 'lp_list.php';
+            } else {
+                $_SESSION['refresh'] = 1;
+                //require 'lp_build.php';
+                $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
+                header('Location: '.$url);
                 exit;
             }
-        }
-        break;
-    case 'build':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for build', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
-            //require 'lp_build.php';
-            $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
-            header('Location: '.$url);
-            exit;
-        }
-        break;
-    case 'edit_item':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for edit item', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
-            if (isset($_POST['submit_button']) && !empty($post_title)) {
-                //Updating the lp.modified_on
-                $_SESSION['oLP']->set_modified_on();
+            break;
+        case 'edit_item':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for edit item', 0);
+                require 'lp_list.php';
+            } else {
+                $_SESSION['refresh'] = 1;
+                if (isset($_POST['submit_button']) && !empty($post_title)) {
+                    //Updating the lp.modified_on
+                    $_SESSION['oLP']->set_modified_on();
 
-                // TODO: mp3 edit
-                $audio = array();
-                if (isset($_FILES['mp3'])) {
-                    $audio = $_FILES['mp3'];
-                }
+                    // TODO: mp3 edit
+                    $audio = array();
+                    if (isset($_FILES['mp3'])) {
+                        $audio = $_FILES['mp3'];
+                    }
 
-                $description = isset($_POST['description']) ? $_POST['description'] : '';
-                $prerequisites = isset($_POST['prerequisites']) ? $_POST['prerequisites'] : '';
-                $maxTimeAllowed = isset($_POST['maxTimeAllowed']) ? $_POST['maxTimeAllowed'] : '';
-                $url = isset($_POST['url']) ? $_POST['url'] : '';
-
-                $_SESSION['oLP']->edit_item(
-                    $_REQUEST['id'],
-                    $_POST['parent'],
-                    $_POST['previous'],
-                    $post_title,
-                    $description,
-                    $prerequisites,
-                    $audio,
-                    $maxTimeAllowed,
-                    $url
-                );
+                    $description = isset($_POST['description']) ? $_POST['description'] : '';
+                    $prerequisites = isset($_POST['prerequisites']) ? $_POST['prerequisites'] : '';
+                    $maxTimeAllowed = isset($_POST['maxTimeAllowed']) ? $_POST['maxTimeAllowed'] : '';
+                    $url = isset($_POST['url']) ? $_POST['url'] : '';
+
+                    $_SESSION['oLP']->edit_item(
+                        $_REQUEST['id'],
+                        $_POST['parent'],
+                        $_POST['previous'],
+                        $post_title,
+                        $description,
+                        $prerequisites,
+                        $audio,
+                        $maxTimeAllowed,
+                        $url
+                    );
 
-                if (isset($_POST['content_lp'])) {
-                    $_SESSION['oLP']->edit_document($_course);
-                }
-                $is_success = true;
+                    if (isset($_POST['content_lp'])) {
+                        $_SESSION['oLP']->edit_document($_course);
+                    }
+                    $is_success = true;
 
-                Display::addFlash(Display::return_message(get_lang('Updated')));
+                    Display::addFlash(Display::return_message(get_lang('Updated')));
 
-                $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
-                header('Location: '.$url);
-                exit;
+                    $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
+                    header('Location: '.$url);
+                    exit;
+                }
+                if (isset($_GET['view']) && $_GET['view'] == 'build') {
+                    require 'lp_edit_item.php';
+                } else {
+                    require 'lp_admin_view.php';
+                }
+            }
+            break;
+        case 'edit_item_prereq':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
             }
-            if (isset($_GET['view']) && $_GET['view'] == 'build') {
-                require 'lp_edit_item.php';
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for edit item prereq', 0);
+                require 'lp_list.php';
             } else {
-                require 'lp_admin_view.php';
+                if (isset($_POST['submit_button'])) {
+                    //Updating the lp.modified_on
+                    $_SESSION['oLP']->set_modified_on();
+                    $_SESSION['refresh'] = 1;
+                    $editPrerequisite = $_SESSION['oLP']->edit_item_prereq(
+                        $_GET['id'],
+                        $_POST['prerequisites'],
+                        $_POST['min_' . $_POST['prerequisites']],
+                        $_POST['max_' . $_POST['prerequisites']]
+                    );
+
+                    if ($editPrerequisite) {
+                        $is_success = true;
+                    }
+
+                    $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
+                    header('Location: '.$url);
+                    exit;
+                } else {
+                    require 'lp_edit_item_prereq.php';
+                }
+            }
+            break;
+        case 'move_item':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
             }
-        }
-        break;
-    case 'edit_item_prereq':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for edit item prereq', 0);
-            require 'lp_list.php';
-        } else {
-            if (isset($_POST['submit_button'])) {
-                //Updating the lp.modified_on
-                $_SESSION['oLP']->set_modified_on();
-                $_SESSION['refresh'] = 1;
-                $editPrerequisite = $_SESSION['oLP']->edit_item_prereq(
-                    $_GET['id'],
-                    $_POST['prerequisites'],
-                    $_POST['min_' . $_POST['prerequisites']],
-                    $_POST['max_' . $_POST['prerequisites']]
-                );
 
-                if ($editPrerequisite) {
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for move item', 0);
+                require 'lp_list.php';
+            } else {
+                $_SESSION['refresh'] = 1;
+                if (isset($_POST['submit_button'])) {
+                    //Updating the lp.modified_on
+                    $_SESSION['oLP']->set_modified_on();
+                    $_SESSION['oLP']->edit_item(
+                        $_GET['id'],
+                        $_POST['parent'],
+                        $_POST['previous'],
+                        $post_title,
+                        $_POST['description']
+                    );
                     $is_success = true;
+                    $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
+                    header('Location: '.$url);
                 }
-
-                $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
-                header('Location: '.$url);
-                exit;
+                if (isset($_GET['view']) && $_GET['view'] == 'build') {
+                    require 'lp_move_item.php';
+                } else {
+                    // Avoids weird behaviours see CT#967.
+                    $check = Security::check_token('get');
+                    if ($check) {
+                        $_SESSION['oLP']->move_item($_GET['id'], $_GET['direction']);
+                    }
+                    Security::clear_token();
+                    require 'lp_admin_view.php';
+                }
+            }
+            break;
+        case 'view_item':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for view item', 0); require 'lp_list.php';
             } else {
-                require 'lp_edit_item_prereq.php';
+                $_SESSION['refresh'] = 1;
+                require 'lp_view_item.php';
+            }
+            break;
+        case 'upload':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            $cwdir = getcwd();
+            require 'lp_upload.php';
+            // Reinit current working directory as many functions in upload change it.
+            chdir($cwdir);
+            require 'lp_list.php';
+            break;
+        case 'copy':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+
+            $hideScormCopyLink = api_get_setting('hide_scorm_copy_link');
+            if ($hideScormCopyLink === 'true') {
+                api_not_allowed(true);
             }
-        }
-        break;
-    case 'move_item':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
 
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for move item', 0);
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for copy', 0);
+                require 'lp_list.php';
+            } else {
+                $_SESSION['oLP']->copy();
+            }
             require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
-            if (isset($_POST['submit_button'])) {
-                //Updating the lp.modified_on
-                $_SESSION['oLP']->set_modified_on();
-                $_SESSION['oLP']->edit_item(
-                    $_GET['id'],
-                    $_POST['parent'],
-                    $_POST['previous'],
-                    $post_title,
-                    $_POST['description']
-                );
-                $is_success = true;
-                $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
-                header('Location: '.$url);
+            break;
+        case 'export':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            $hideScormExportLink = api_get_setting('hide_scorm_export_link');
+            if ($hideScormExportLink === 'true') {
+                api_not_allowed(true);
             }
-            if (isset($_GET['view']) && $_GET['view'] == 'build') {
-                require 'lp_move_item.php';
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for export', 0);
+                require 'lp_list.php';
             } else {
-                // Avoids weird behaviours see CT#967.
-                $check = Security::check_token('get');
-                if ($check) {
-                    $_SESSION['oLP']->move_item($_GET['id'], $_GET['direction']);
-                }
-                Security::clear_token();
-                require 'lp_admin_view.php';
+                $_SESSION['oLP']->scorm_export();
+                exit();
+            }
+            break;
+        case 'export_to_pdf':
+            if (!learnpath::is_lp_visible_for_student($_SESSION['oLP']->lp_id, api_get_user_id())) {
+                api_not_allowed();
+            }
+            $hideScormPdfLink = api_get_setting('hide_scorm_pdf_link');
+            if ($hideScormPdfLink === 'true') {
+                api_not_allowed(true);
             }
-        }
-        break;
-    case 'view_item':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for view item', 0); require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
-            require 'lp_view_item.php';
-        }
-        break;
-    case 'upload':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        $cwdir = getcwd();
-        require 'lp_upload.php';
-        // Reinit current working directory as many functions in upload change it.
-        chdir($cwdir);
-        require 'lp_list.php';
-        break;
-    case 'copy':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
 
-        $hideScormCopyLink = api_get_setting('hide_scorm_copy_link');
-        if ($hideScormCopyLink === 'true') {
-            api_not_allowed(true);
-        }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for export_to_pdf', 0);
+                require 'lp_list.php';
+            } else {
+                $result = $_SESSION['oLP']->scorm_export_to_pdf($_GET['lp_id']);
+                if (!$result) {
+                    require 'lp_list.php';
+                }
+                exit;
+            }
+            break;
+        case 'delete':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for delete', 0);
+                require 'lp_list.php';
+            } else {
+                $_SESSION['refresh'] = 1;
+                $_SESSION['oLP']->delete(null, $_GET['lp_id'], 'remove');
+                Display::addFlash(Display::return_message(get_lang('Deleted')));
+                Session::erase('oLP');
+                require 'lp_list.php';
+            }
+            break;
+        case 'toggle_visible':
+            // Change lp visibility (inside lp tool).
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
 
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for copy', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['oLP']->copy();
-        }
-        require 'lp_list.php';
-        break;
-    case 'export':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        $hideScormExportLink = api_get_setting('hide_scorm_export_link');
-        if ($hideScormExportLink === 'true') {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for export', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['oLP']->scorm_export();
-            exit();
-        }
-        break;
-    case 'export_to_pdf':
-        if (!learnpath::is_lp_visible_for_student($_SESSION['oLP']->lp_id, api_get_user_id())) {
-            api_not_allowed();
-        }
-        $hideScormPdfLink = api_get_setting('hide_scorm_pdf_link');
-        if ($hideScormPdfLink === 'true') {
-            api_not_allowed(true);
-        }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for visibility', 0);
+                require 'lp_list.php';
+            } else {
+                learnpath::toggle_visibility($_REQUEST['lp_id'], $_REQUEST['new_status']);
+                require 'lp_list.php';
+            }
+            break;
+        case 'toggle_publish':
+            // Change lp published status (visibility on homepage).
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for publish', 0);
+                require 'lp_list.php';
+            } else {
+                learnpath::toggle_publish($_REQUEST['lp_id'], $_REQUEST['new_status']);
+                require 'lp_list.php';
+            }
+            break;
+        case 'move_lp_up':
+            // Change lp published status (visibility on homepage)
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for publish', 0);
+                require 'lp_list.php';
+            } else {
+                learnpath::move_up($_REQUEST['lp_id']);
+                require 'lp_list.php';
+            }
+            break;
+        case 'move_lp_down':
+            // Change lp published status (visibility on homepage)
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for publish', 0);
+                require 'lp_list.php';
+            } else {
+                learnpath::move_down($_REQUEST['lp_id']);
+                require 'lp_list.php';
+            }
+            break;
+        case 'edit':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
 
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for export_to_pdf', 0);
-            require 'lp_list.php';
-        } else {
-            $result = $_SESSION['oLP']->scorm_export_to_pdf($_GET['lp_id']);
-            if (!$result) {
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for edit', 0);
                 require 'lp_list.php';
+            } else {
+                $_SESSION['refresh'] = 1;
+                require 'lp_edit.php';
             }
-            exit;
-        }
-        break;
-    case 'delete':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for delete', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
-            $_SESSION['oLP']->delete(null, $_GET['lp_id'], 'remove');
-            Display::addFlash(Display::return_message(get_lang('Deleted')));
-            Session::erase('oLP');
-            require 'lp_list.php';
-        }
-        break;
-    case 'toggle_visible':
-        // Change lp visibility (inside lp tool).
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
+            break;
+        case 'update_lp':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for edit', 0);
+                require 'lp_list.php';
+            } else {
+                $_SESSION['refresh'] = 1;
+                $lp_name = Security::remove_XSS($_REQUEST['lp_name']);
+                $_SESSION['oLP']->set_name($lp_name);
+                $author = $_REQUEST['lp_author'];
+                // Fixing the author name (no body or html tags).
+                $auth_init = stripos($author, '<p>');
+                if ($auth_init === false) {
+                    $auth_init = stripos($author, '<body>');
+                    $auth_end = $auth_init + stripos(substr($author, $auth_init + 6), '</body>') + 7;
+                    $len = $auth_end - $auth_init + 6;
+                } else {
+                    $auth_end = strripos($author, '</p>');
+                    $len = $auth_end - $auth_init + 4;
+                }
 
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for visibility', 0);
-            require 'lp_list.php';
-        } else {
-            learnpath::toggle_visibility($_REQUEST['lp_id'], $_REQUEST['new_status']);
-            require 'lp_list.php';
-        }
-        break;
-    case 'toggle_publish':
-        // Change lp published status (visibility on homepage).
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for publish', 0);
-            require 'lp_list.php';
-        } else {
-            learnpath::toggle_publish($_REQUEST['lp_id'], $_REQUEST['new_status']);
-            require 'lp_list.php';
-        }
-        break;
-    case 'move_lp_up':
-        // Change lp published status (visibility on homepage)
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for publish', 0);
-            require 'lp_list.php';
-        } else {
-            learnpath::move_up($_REQUEST['lp_id']);
-            require 'lp_list.php';
-        }
-        break;
-    case 'move_lp_down':
-        // Change lp published status (visibility on homepage)
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for publish', 0);
-            require 'lp_list.php';
-        } else {
-            learnpath::move_down($_REQUEST['lp_id']);
-            require 'lp_list.php';
-        }
-        break;
-    case 'edit':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
+                $author_fixed = substr($author, $auth_init, $len);
+                $_SESSION['oLP']->set_author($author_fixed);
+                // TODO (as of Chamilo 1.8.8): Check in the future whether this field is needed.
+                $_SESSION['oLP']->set_encoding($_REQUEST['lp_encoding']);
 
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for edit', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
-            require 'lp_edit.php';
-        }
-        break;
-    case 'update_lp':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for edit', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
-            $lp_name = Security::remove_XSS($_REQUEST['lp_name']);
-            $_SESSION['oLP']->set_name($lp_name);
-            $author = $_REQUEST['lp_author'];
-            // Fixing the author name (no body or html tags).
-            $auth_init = stripos($author, '<p>');
-            if ($auth_init === false) {
-                $auth_init = stripos($author, '<body>');
-                $auth_end = $auth_init + stripos(substr($author, $auth_init + 6), '</body>') + 7;
-                $len = $auth_end - $auth_init + 6;
+                if (isset($_REQUEST['lp_maker'])) {
+                    $_SESSION['oLP']->set_maker($_REQUEST['lp_maker']);
+                }
+                if (isset($_REQUEST['lp_proximity'])) {
+                    $_SESSION['oLP']->set_proximity($_REQUEST['lp_proximity']);
+                }
+                $_SESSION['oLP']->set_theme($_REQUEST['lp_theme']);
+
+                if (isset($_REQUEST['hide_toc_frame']) && $_REQUEST['hide_toc_frame'] == 1) {
+                    $hide_toc_frame = $_REQUEST['hide_toc_frame'];
+                } else {
+                    $hide_toc_frame = null;
+                }
+                $_SESSION['oLP']->set_hide_toc_frame($hide_toc_frame);
+                $_SESSION['oLP']->set_prerequisite($_REQUEST['prerequisites']);
+                $_SESSION['oLP']->set_use_max_score($_REQUEST['use_max_score']);
+
+                $subscribeUsers = isset($_REQUEST['subscribe_users']) ? 1 : 0;
+                $_SESSION['oLP']->setSubscribeUsers($subscribeUsers);
+
+                $accumulateScormTime = isset($_REQUEST['accumulate_scorm_time']) ? $_REQUEST['accumulate_scorm_time'] : 'true';
+                $_SESSION['oLP']->setAccumulateScormTime($accumulateScormTime);
+
+                if (isset($_REQUEST['activate_start_date_check']) && $_REQUEST['activate_start_date_check'] == 1) {
+            	    $publicated_on  = $_REQUEST['publicated_on'];
+                } else {
+            	    $publicated_on = null;
+                }
+
+                if (isset($_REQUEST['activate_end_date_check']) && $_REQUEST['activate_end_date_check'] == 1) {
+                    $expired_on = $_REQUEST['expired_on'];
+                } else {
+                    $expired_on = null;
+                }
+                $_SESSION['oLP']->setCategoryId($_REQUEST['category_id']);
+                $_SESSION['oLP']->set_modified_on();
+                $_SESSION['oLP']->set_publicated_on($publicated_on);
+                $_SESSION['oLP']->set_expired_on($expired_on);
+
+                if (isset($_REQUEST['remove_picture']) && $_REQUEST['remove_picture']) {
+                    $_SESSION['oLP']->delete_lp_image();
+                }
+
+                $extraFieldValue = new ExtraFieldValue('lp');
+                $params = array(
+                    'lp_id' => $_SESSION['oLP']->id
+                );
+                $extraFieldValue->saveFieldValues($_REQUEST);
+
+                if ($_FILES['lp_preview_image']['size'] > 0) {
+                    $_SESSION['oLP']->upload_image($_FILES['lp_preview_image']);
+                }
+
+                if (api_get_setting('search_enabled') === 'true') {
+                    require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
+                    $specific_fields = get_specific_field_list();
+                    foreach ($specific_fields as $specific_field) {
+                        $_SESSION['oLP']->set_terms_by_prefix($_REQUEST[$specific_field['code']], $specific_field['code']);
+                        $new_values = explode(',', trim($_REQUEST[$specific_field['code']]));
+                        if (!empty($new_values)) {
+                            array_walk($new_values, 'trim');
+                            delete_all_specific_field_value(
+                                api_get_course_id(),
+                                $specific_field['id'],
+                                TOOL_LEARNPATH,
+                                $_SESSION['oLP']->lp_id
+                            );
+
+                            foreach ($new_values as $value) {
+                                if (!empty($value)) {
+                                    add_specific_field_value(
+                                        $specific_field['id'],
+                                        api_get_course_id(),
+                                        TOOL_LEARNPATH,
+                                        $_SESSION['oLP']->lp_id,
+                                        $value
+                                    );
+                                }
+                            }
+                        }
+                    }
+                }
+                Display::addFlash(Display::return_message(get_lang('Updated')));
+                $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
+                header('Location: '.$url);
+                exit;
+            }
+            break;
+        case 'add_sub_item': // Add an item inside a dir/chapter.
+            // @todo check if this is @deprecated
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for add sub item', 0);
+                require 'lp_list.php';
+            } else {
+                $_SESSION['refresh'] = 1;
+                if (!empty($_REQUEST['parent_item_id'])) {
+                    $_SESSION['from_learnpath'] = 'yes';
+                    $_SESSION['origintoolurl'] = 'lp_controller.php?action=admin_view&lp_id='.intval($_REQUEST['lp_id']);
+                } else {
+                    require 'lp_admin_view.php';
+                }
+            }
+            break;
+        case 'deleteitem':
+        case 'delete_item':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
+            }
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for delete item', 0);
+                require 'lp_list.php';
             } else {
-                $auth_end = strripos($author, '</p>');
-                $len = $auth_end - $auth_init + 4;
+                if (!empty($_REQUEST['id'])) {
+                    $_SESSION['oLP']->delete_item($_REQUEST['id']);
+                }
+                $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_REQUEST['lp_id']).'&'.api_get_cidreq();
+                header('Location: '.$url);
+                exit;
             }
-
-            $author_fixed = substr($author, $auth_init, $len);
-            $_SESSION['oLP']->set_author($author_fixed);
-            // TODO (as of Chamilo 1.8.8): Check in the future whether this field is needed.
-            $_SESSION['oLP']->set_encoding($_REQUEST['lp_encoding']);
-
-            if (isset($_REQUEST['lp_maker'])) {
-                $_SESSION['oLP']->set_maker($_REQUEST['lp_maker']);
+            break;
+        case 'edititemprereq':
+        case 'edit_item_prereq':
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
             }
-            if (isset($_REQUEST['lp_proximity'])) {
-                $_SESSION['oLP']->set_proximity($_REQUEST['lp_proximity']);
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for edit item prereq', 0);
+                require 'lp_list.php';
+            } else {
+                if (!empty($_REQUEST['id']) && !empty($_REQUEST['submit_item'])) {
+                    $_SESSION['refresh'] = 1;
+                    $_SESSION['oLP']->edit_item_prereq($_REQUEST['id'], $_REQUEST['prereq']);
+                }
+                require 'lp_admin_view.php';
             }
-            $_SESSION['oLP']->set_theme($_REQUEST['lp_theme']);
-
-            if (isset($_REQUEST['hide_toc_frame']) && $_REQUEST['hide_toc_frame'] == 1) {
-                $hide_toc_frame = $_REQUEST['hide_toc_frame'];
+            break;
+        case 'restart':
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for restart', 0);
+                require 'lp_list.php';
             } else {
-                $hide_toc_frame = null;
+                $_SESSION['oLP']->restart();
+                require 'lp_view.php';
             }
-            $_SESSION['oLP']->set_hide_toc_frame($hide_toc_frame);
-            $_SESSION['oLP']->set_prerequisite($_REQUEST['prerequisites']);
-            $_SESSION['oLP']->set_use_max_score($_REQUEST['use_max_score']);
-
-            $subscribeUsers = isset($_REQUEST['subscribe_users']) ? 1 : 0;
-            $_SESSION['oLP']->setSubscribeUsers($subscribeUsers);
-
-            $accumulateScormTime = isset($_REQUEST['accumulate_scorm_time']) ? $_REQUEST['accumulate_scorm_time'] : 'true';
-            $_SESSION['oLP']->setAccumulateScormTime($accumulateScormTime);
-
-            if (isset($_REQUEST['activate_start_date_check']) && $_REQUEST['activate_start_date_check'] == 1) {
-            	$publicated_on  = $_REQUEST['publicated_on'];
+            break;
+        case 'last':
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for last', 0);
+                require 'lp_list.php';
             } else {
-            	$publicated_on = null;
+                $_SESSION['oLP']->last();
+                require 'lp_view.php';
             }
-
-            if (isset($_REQUEST['activate_end_date_check']) && $_REQUEST['activate_end_date_check'] == 1) {
-                $expired_on = $_REQUEST['expired_on'];
+            break;
+        case 'first':
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for first', 0);
+                require 'lp_list.php';
             } else {
-                $expired_on = null;
+                $_SESSION['oLP']->first();
+                require 'lp_view.php';
             }
-            $_SESSION['oLP']->setCategoryId($_REQUEST['category_id']);
-            $_SESSION['oLP']->set_modified_on();
-            $_SESSION['oLP']->set_publicated_on($publicated_on);
-            $_SESSION['oLP']->set_expired_on($expired_on);
-
-            if (isset($_REQUEST['remove_picture']) && $_REQUEST['remove_picture']) {
-                $_SESSION['oLP']->delete_lp_image();
+            break;
+        case 'next':
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for next', 0);
+                require 'lp_list.php';
+            } else {
+                $_SESSION['oLP']->next();
+                require 'lp_view.php';
             }
-
-            $extraFieldValue = new ExtraFieldValue('lp');
-            $params = array(
-                'lp_id' => $_SESSION['oLP']->id
-            );
-            $extraFieldValue->saveFieldValues($_REQUEST);
-
-            if ($_FILES['lp_preview_image']['size'] > 0) {
-                $_SESSION['oLP']->upload_image($_FILES['lp_preview_image']);
+            break;
+        case 'previous':
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for previous', 0);
+                require 'lp_list.php';
+            } else {
+                $_SESSION['oLP']->previous();
+                require 'lp_view.php';
             }
-
-            if (api_get_setting('search_enabled') === 'true') {
-                require_once api_get_path(LIBRARY_PATH).'specific_fields_manager.lib.php';
-                $specific_fields = get_specific_field_list();
-                foreach ($specific_fields as $specific_field) {
-                    $_SESSION['oLP']->set_terms_by_prefix($_REQUEST[$specific_field['code']], $specific_field['code']);
-                    $new_values = explode(',', trim($_REQUEST[$specific_field['code']]));
-                    if (!empty($new_values)) {
-                        array_walk($new_values, 'trim');
-                        delete_all_specific_field_value(
-                            api_get_course_id(),
-                            $specific_field['id'],
-                            TOOL_LEARNPATH,
-                            $_SESSION['oLP']->lp_id
-                        );
-
-                        foreach ($new_values as $value) {
-                            if (!empty($value)) {
-                                add_specific_field_value(
-                                    $specific_field['id'],
-                                    api_get_course_id(),
-                                    TOOL_LEARNPATH,
-                                    $_SESSION['oLP']->lp_id,
-                                    $value
-                                );
-                            }
-                        }
-                    }
+            break;
+        case 'content':
+            if ($debug > 0) error_log('New LP - Item id is '.intval($_GET['item_id']), 0);
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for content', 0);
+                require 'lp_list.php';
+            } else {
+                if ($debug > 0) error_log('New LP - save_last()', 0);
+                $_SESSION['oLP']->save_last();
+                if ($debug > 0) error_log('New LP - set_current_item()', 0);
+                $_SESSION['oLP']->set_current_item($_GET['item_id']);
+                if ($debug > 0) error_log('New LP - start_current_item()', 0);
+                $_SESSION['oLP']->start_current_item();
+                require 'lp_content.php';
+            }
+            break;
+        case 'view':
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for view', 0);
+                require 'lp_list.php';
+            } else {
+                if ($debug > 0) {error_log('New LP - Trying to set current item to ' . $_REQUEST['item_id'], 0); }
+                if ( !empty($_REQUEST['item_id']) ) {
+                    $_SESSION['oLP']->set_current_item($_REQUEST['item_id']);
                 }
+                require 'lp_view.php';
             }
-            Display::addFlash(Display::return_message(get_lang('Updated')));
-            $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id).'&'.api_get_cidreq();
-            header('Location: '.$url);
-            exit;
-        }
-        break;
-    case 'add_sub_item': // Add an item inside a dir/chapter.
-        // @todo check if this is @deprecated
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for add sub item', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['refresh'] = 1;
-            if (!empty($_REQUEST['parent_item_id'])) {
-                $_SESSION['from_learnpath'] = 'yes';
-                $_SESSION['origintoolurl'] = 'lp_controller.php?action=admin_view&lp_id='.intval($_REQUEST['lp_id']);
+            break;
+        case 'save':
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for save', 0);
+                require 'lp_list.php';
             } else {
-                require 'lp_admin_view.php';
+                $_SESSION['oLP']->save_item();
+                require 'lp_save.php';
             }
-        }
-        break;
-    case 'deleteitem':
-    case 'delete_item':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for delete item', 0);
-            require 'lp_list.php';
-        } else {
-            if (!empty($_REQUEST['id'])) {
-                $_SESSION['oLP']->delete_item($_REQUEST['id']);
+            break;
+        case 'stats':
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for stats', 0);
+                require 'lp_list.php';
+            } else {
+                $_SESSION['oLP']->save_current();
+                $_SESSION['oLP']->save_last();
+                $output = require 'lp_stats.php';
+                echo $output;
             }
-            $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_REQUEST['lp_id']).'&'.api_get_cidreq();
-            header('Location: '.$url);
-            exit;
-        }
-        break;
-    case 'edititemprereq':
-    case 'edit_item_prereq':
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for edit item prereq', 0);
-            require 'lp_list.php';
-        } else {
-            if (!empty($_REQUEST['id']) && !empty($_REQUEST['submit_item'])) {
+            break;
+        case 'list':
+            if ($lp_found) {
                 $_SESSION['refresh'] = 1;
-                $_SESSION['oLP']->edit_item_prereq($_REQUEST['id'], $_REQUEST['prereq']);
+                $_SESSION['oLP']->save_last();
             }
-            require 'lp_admin_view.php';
-        }
-        break;
-    case 'restart':
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for restart', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['oLP']->restart();
-            require 'lp_view.php';
-        }
-        break;
-    case 'last':
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for last', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['oLP']->last();
-            require 'lp_view.php';
-        }
-        break;
-    case 'first':
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for first', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['oLP']->first();
-            require 'lp_view.php';
-        }
-        break;
-    case 'next':
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for next', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['oLP']->next();
-            require 'lp_view.php';
-        }
-        break;
-    case 'previous':
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for previous', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['oLP']->previous();
-            require 'lp_view.php';
-        }
-        break;
-    case 'content':
-        if ($debug > 0) error_log('New LP - Item id is '.intval($_GET['item_id']), 0);
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for content', 0);
-            require 'lp_list.php';
-        } else {
-            if ($debug > 0) error_log('New LP - save_last()', 0);
-            $_SESSION['oLP']->save_last();
-            if ($debug > 0) error_log('New LP - set_current_item()', 0);
-            $_SESSION['oLP']->set_current_item($_GET['item_id']);
-            if ($debug > 0) error_log('New LP - start_current_item()', 0);
-            $_SESSION['oLP']->start_current_item();
-            require 'lp_content.php';
-        }
-        break;
-    case 'view':
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for view', 0);
             require 'lp_list.php';
-        } else {
-            if ($debug > 0) {error_log('New LP - Trying to set current item to ' . $_REQUEST['item_id'], 0); }
-            if ( !empty($_REQUEST['item_id']) ) {
-                $_SESSION['oLP']->set_current_item($_REQUEST['item_id']);
+            break;
+        case 'mode':
+            // Switch between fullscreen and embedded mode.
+            $mode = $_REQUEST['mode'];
+            if ($mode == 'fullscreen') {
+                $_SESSION['oLP']->mode = 'fullscreen';
+            } elseif ($mode == 'embedded') {
+                $_SESSION['oLP']->mode = 'embedded';
+            } elseif ($mode == 'embedframe') {
+        	    $_SESSION['oLP']->mode = 'embedframe';
+            } elseif ($mode == 'impress') {
+                $_SESSION['oLP']->mode = 'impress';
             }
             require 'lp_view.php';
-        }
-        break;
-    case 'save':
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for save', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['oLP']->save_item();
-            require 'lp_save.php';
-        }
-        break;
-    case 'stats':
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for stats', 0);
-            require 'lp_list.php';
-        } else {
-            $_SESSION['oLP']->save_current();
-            $_SESSION['oLP']->save_last();
-            $output = require 'lp_stats.php';
-            echo $output;
-        }
-        break;
-    case 'list':
-        if ($lp_found) {
-            $_SESSION['refresh'] = 1;
-            $_SESSION['oLP']->save_last();
-        }
-        require 'lp_list.php';
-        break;
-    case 'mode':
-        // Switch between fullscreen and embedded mode.
-        $mode = $_REQUEST['mode'];
-        if ($mode == 'fullscreen') {
-            $_SESSION['oLP']->mode = 'fullscreen';
-        } elseif ($mode == 'embedded') {
-            $_SESSION['oLP']->mode = 'embedded';
-        } elseif ($mode == 'embedframe') {
-        	$_SESSION['oLP']->mode = 'embedframe';
-        } elseif ($mode == 'impress') {
-            $_SESSION['oLP']->mode = 'impress';
-        }
-        require 'lp_view.php';
-        break;
-    case 'switch_view_mode':
+            break;
+        case 'switch_view_mode':
 
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for switch', 0);
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for switch', 0);
+                require 'lp_list.php';
+            }
+            if (Security::check_token('get')) {
+                $_SESSION['refresh'] = 1;
+                $_SESSION['oLP']->update_default_view_mode();
+            }
             require 'lp_list.php';
-        }
-        if (Security::check_token('get')) {
+            break;
+        case 'switch_force_commit':
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for switch', 0);
+                require 'lp_list.php';
+            }
             $_SESSION['refresh'] = 1;
-            $_SESSION['oLP']->update_default_view_mode();
-        }
-        require 'lp_list.php';
-        break;
-    case 'switch_force_commit':
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for switch', 0);
+            $_SESSION['oLP']->update_default_scorm_commit();
             require 'lp_list.php';
-        }
-        $_SESSION['refresh'] = 1;
-        $_SESSION['oLP']->update_default_scorm_commit();
-        require 'lp_list.php';
-        break;
-    /* Those 2 switches have been replaced by switc_attempt_mode switch
+            break;
+        /* Those 2 switches have been replaced by switc_attempt_mode switch
     case 'switch_reinit':
         if (!$lp_found) { error_log('New LP - No learnpath given for switch', 0); require 'lp_list.php'; }
         $_SESSION['refresh'] = 1;
@@ -1236,208 +1236,208 @@ 
 		$_SESSION['oLP']->switch_attempt_mode();
         require 'lp_list.php';
         break;
-    case 'switch_scorm_debug':
-        if (!$lp_found) { error_log('New LP - No learnpath given for switch', 0); require 'lp_list.php'; }
-        $_SESSION['refresh'] = 1;
-        $_SESSION['oLP']->update_scorm_debug();
-        require 'lp_list.php';
-        break;
-    case 'intro_cmdAdd':
-        // Add introduction section page.
-        break;
-    case 'js_api_refresh':
-        if (!$lp_found) { error_log('New LP - No learnpath given for js_api_refresh', 0); require 'lp_message.php'; }
-        if (isset($_REQUEST['item_id'])) {
-            $htmlHeadXtra[] = $_SESSION['oLP']->get_js_info($_REQUEST['item_id']);
-        }
-        require 'lp_message.php';
-        break;
-    case 'return_to_course_homepage':
-        if (!$lp_found) { error_log('New LP - No learnpath given for stats', 0); require 'lp_list.php'; }
-        else {
-            $_SESSION['oLP']->save_current();
-            $_SESSION['oLP']->save_last();
-            $url = api_get_path(WEB_COURSE_PATH).api_get_course_path().'/index.php?id_session='.api_get_session_id();
-            if (isset($_GET['redirectTo']) && $_GET['redirectTo'] == 'lp_list') {
-                $url = 'lp_controller.php?'.api_get_cidreq();
-            }
-            header('location: '.$url);
-            exit;
-        }
-        break;
-    case 'search':
-        /* Include the search script, it's smart enough to know when we are
+        case 'switch_scorm_debug':
+            if (!$lp_found) { error_log('New LP - No learnpath given for switch', 0); require 'lp_list.php'; }
+            $_SESSION['refresh'] = 1;
+            $_SESSION['oLP']->update_scorm_debug();
+            require 'lp_list.php';
+            break;
+        case 'intro_cmdAdd':
+            // Add introduction section page.
+            break;
+        case 'js_api_refresh':
+            if (!$lp_found) { error_log('New LP - No learnpath given for js_api_refresh', 0); require 'lp_message.php'; }
+            if (isset($_REQUEST['item_id'])) {
+                $htmlHeadXtra[] = $_SESSION['oLP']->get_js_info($_REQUEST['item_id']);
+            }
+            require 'lp_message.php';
+            break;
+        case 'return_to_course_homepage':
+            if (!$lp_found) { error_log('New LP - No learnpath given for stats', 0); require 'lp_list.php'; }
+            else {
+                $_SESSION['oLP']->save_current();
+                $_SESSION['oLP']->save_last();
+                $url = api_get_path(WEB_COURSE_PATH).api_get_course_path().'/index.php?id_session='.api_get_session_id();
+                if (isset($_GET['redirectTo']) && $_GET['redirectTo'] == 'lp_list') {
+                    $url = 'lp_controller.php?'.api_get_cidreq();
+                }
+                header('location: '.$url);
+                exit;
+            }
+            break;
+        case 'search':
+            /* Include the search script, it's smart enough to know when we are
          * searching or not.
          */
-        require 'lp_list_search.php';
-        break;
-    case 'impress':
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for view', 0);
-            require 'lp_list.php';
-        } else {
-            if ($debug > 0) {error_log('New LP - Trying to impress this LP item to ' . $_REQUEST['item_id'], 0); }
-            if (!empty($_REQUEST['item_id']) ) {
-                $_SESSION['oLP']->set_current_item($_REQUEST['item_id']);
+            require 'lp_list_search.php';
+            break;
+        case 'impress':
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for view', 0);
+                require 'lp_list.php';
+            } else {
+                if ($debug > 0) {error_log('New LP - Trying to impress this LP item to ' . $_REQUEST['item_id'], 0); }
+                if (!empty($_REQUEST['item_id']) ) {
+                    $_SESSION['oLP']->set_current_item($_REQUEST['item_id']);
+                }
+                require 'lp_impress.php';
+            }
+            break;
+        case 'set_previous_step_as_prerequisite':
+            $_SESSION['oLP']->set_previous_step_as_prerequisite_for_all_items();
+            $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id)."&".api_get_cidreq();
+            Display::addFlash(Display::return_message(get_lang('ItemUpdated')));
+            header('Location: '.$url);
+            break;
+        case 'clear_prerequisites':
+            $_SESSION['oLP']->clear_prerequisites();
+            $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id)."&".api_get_cidreq();
+            Display::addFlash(Display::return_message(get_lang('ItemUpdated')));
+            header('Location: '.$url);
+            break;
+        case 'toggle_seriousgame': //activate/deactive seriousgame_mode
+            if (!$is_allowed_to_edit) {
+                api_not_allowed(true);
             }
-            require 'lp_impress.php';
-        }
-        break;
-    case 'set_previous_step_as_prerequisite':
-        $_SESSION['oLP']->set_previous_step_as_prerequisite_for_all_items();
-        $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id)."&".api_get_cidreq();
-        Display::addFlash(Display::return_message(get_lang('ItemUpdated')));
-        header('Location: '.$url);
-        break;
-    case 'clear_prerequisites':
-        $_SESSION['oLP']->clear_prerequisites();
-        $url = api_get_self().'?action=add_item&type=step&lp_id='.intval($_SESSION['oLP']->lp_id)."&".api_get_cidreq();
-        Display::addFlash(Display::return_message(get_lang('ItemUpdated')));
-        header('Location: '.$url);
-        break;
-    case 'toggle_seriousgame': //activate/deactive seriousgame_mode
-        if (!$is_allowed_to_edit) {
-            api_not_allowed(true);
-        }
 
-        if (!$lp_found) {
-            error_log('New LP - No learnpath given for visibility');
+            if (!$lp_found) {
+                error_log('New LP - No learnpath given for visibility');
 
-            require 'lp_list.php';
-        }
+                require 'lp_list.php';
+            }
 
-        $_SESSION['refresh'] = 1;
-        $_SESSION['oLP']->set_seriousgame_mode();
-        require 'lp_list.php';
-        break;
-    case 'create_forum':
-        if (!isset($_GET['id'])) {
+            $_SESSION['refresh'] = 1;
+            $_SESSION['oLP']->set_seriousgame_mode();
+            require 'lp_list.php';
             break;
-        }
-
-        $selectedItem = null;
-        foreach ($_SESSION['oLP']->items as $item) {
-            if ($item->db_id == $_GET['id']) {
-                $selectedItem = $item;
+        case 'create_forum':
+            if (!isset($_GET['id'])) {
+                break;
             }
-        }
-
-        if (!empty($selectedItem)) {
-            $forumThread = $selectedItem->getForumThread(
-                $_SESSION['oLP']->course_int_id,
-                $_SESSION['oLP']->lp_session_id
-            );
 
-            if (empty($forumThread)) {
-                require '../forum/forumfunction.inc.php';
+            $selectedItem = null;
+            foreach ($_SESSION['oLP']->items as $item) {
+                if ($item->db_id == $_GET['id']) {
+                    $selectedItem = $item;
+                }
+            }
 
-                $forumCategory = getForumCategoryByTitle(
-                    get_lang('LearningPaths'),
+            if (!empty($selectedItem)) {
+                $forumThread = $selectedItem->getForumThread(
                     $_SESSION['oLP']->course_int_id,
                     $_SESSION['oLP']->lp_session_id
                 );
 
-                $forumCategoryId = !empty($forumCategory) ? $forumCategory['cat_id']: 0;
-
-                if (empty($forumCategoryId)) {
-                    $forumCategoryId = store_forumcategory(
-                        [
-                            'lp_id' => 0,
-                            'forum_category_title' => get_lang('LearningPaths'),
-                            'forum_category_comment' => null
-                        ],
-                        [],
-                        false
-                    );
-                }
+                if (empty($forumThread)) {
+                    require '../forum/forumfunction.inc.php';
 
-                if (!empty($forumCategoryId)) {
-                    $forum = $_SESSION['oLP']->getForum(
+                    $forumCategory = getForumCategoryByTitle(
+                        get_lang('LearningPaths'),
+                        $_SESSION['oLP']->course_int_id,
                         $_SESSION['oLP']->lp_session_id
                     );
 
-                    $forumId = !empty($forum) ? $forum['forum_id'] : 0;
-
-                    if (empty($forumId)) {
-                        $forumId = $_SESSION['oLP']->createForum($forumCategoryId);
+                    $forumCategoryId = !empty($forumCategory) ? $forumCategory['cat_id']: 0;
+
+                    if (empty($forumCategoryId)) {
+                        $forumCategoryId = store_forumcategory(
+                            [
+                                'lp_id' => 0,
+                                'forum_category_title' => get_lang('LearningPaths'),
+                                'forum_category_comment' => null
+                            ],
+                            [],
+                            false
+                        );
                     }
 
-                    if (!empty($forumId)) {
-                        $selectedItem->createForumThread($forumId);
+                    if (!empty($forumCategoryId)) {
+                        $forum = $_SESSION['oLP']->getForum(
+                            $_SESSION['oLP']->lp_session_id
+                        );
+
+                        $forumId = !empty($forum) ? $forum['forum_id'] : 0;
+
+                        if (empty($forumId)) {
+                            $forumId = $_SESSION['oLP']->createForum($forumCategoryId);
+                        }
+
+                        if (!empty($forumId)) {
+                            $selectedItem->createForumThread($forumId);
+                        }
                     }
                 }
             }
-        }
 
-        header('Location:' . api_get_self() . '?' . http_build_query([
-            'action' => 'add_item',
-            'type' => 'step',
-            'lp_id' => $_SESSION['oLP']->lp_id
-        ]));
+            header('Location:' . api_get_self() . '?' . http_build_query([
+                'action' => 'add_item',
+                'type' => 'step',
+                'lp_id' => $_SESSION['oLP']->lp_id
+            ]));
 
-        break;
-    case 'report':
-        require 'lp_report.php';
-        break;
-    case 'dissociate_forum':
-        if (!isset($_GET['id'])) {
             break;
-        }
+        case 'report':
+            require 'lp_report.php';
+            break;
+        case 'dissociate_forum':
+            if (!isset($_GET['id'])) {
+                break;
+            }
 
-        $selectedItem = null;
-        foreach ($_SESSION['oLP']->items as $item) {
-            if ($item->db_id != $_GET['id']) {
-                continue;
+            $selectedItem = null;
+            foreach ($_SESSION['oLP']->items as $item) {
+                if ($item->db_id != $_GET['id']) {
+                    continue;
+                }
+                $selectedItem = $item;
             }
-            $selectedItem = $item;
-        }
 
-        if (!empty($selectedItem)) {
-            $forumThread = $selectedItem->getForumThread(
-                $_SESSION['oLP']->course_int_id,
-                $_SESSION['oLP']->lp_session_id
-            );
+            if (!empty($selectedItem)) {
+                $forumThread = $selectedItem->getForumThread(
+                    $_SESSION['oLP']->course_int_id,
+                    $_SESSION['oLP']->lp_session_id
+                );
 
-            if (!empty($forumThread)) {
-                $dissociated = $selectedItem->dissociateForumThread($forumThread['iid']);
+                if (!empty($forumThread)) {
+                    $dissociated = $selectedItem->dissociateForumThread($forumThread['iid']);
 
-                if ($dissociated) {
-                    Display::addFlash(
-                        Display::return_message(get_lang('ForumDissociate'), 'success')
-                    );
+                    if ($dissociated) {
+                        Display::addFlash(
+                            Display::return_message(get_lang('ForumDissociate'), 'success')
+                        );
+                    }
                 }
             }
-        }
 
-        header('Location:' . api_get_self() . '?' . http_build_query([
-            'action' => 'add_item',
-            'type' => 'step',
-            'lp_id' => $_SESSION['oLP']->lp_id
-        ]));
-        break;
-    case 'add_final_item':
-        if (!$lp_found) {
-            Display::addFlash(
-                Display::return_message(get_lang('NoLPFound'), 'error')
-            );
+            header('Location:' . api_get_self() . '?' . http_build_query([
+                'action' => 'add_item',
+                'type' => 'step',
+                'lp_id' => $_SESSION['oLP']->lp_id
+            ]));
             break;
-        }
+        case 'add_final_item':
+            if (!$lp_found) {
+                Display::addFlash(
+                    Display::return_message(get_lang('NoLPFound'), 'error')
+                );
+                break;
+            }
 
-        $_SESSION['refresh'] = 1;
-        if (!isset($_POST['submit']) || empty($post_title)) {
-            break;
-        }
+            $_SESSION['refresh'] = 1;
+            if (!isset($_POST['submit']) || empty($post_title)) {
+                break;
+            }
 
-        $_SESSION['oLP']->getFinalItemForm();
-        $redirectTo = api_get_self() . '?' . api_get_cidreq().'&'.http_build_query([
-            'action' => 'add_item',
-            'type' => 'step',
-            'lp_id' => intval($_SESSION['oLP']->lp_id)
-        ]);
-        break;
-    default:
-        require 'lp_list.php';
-        break;
+            $_SESSION['oLP']->getFinalItemForm();
+            $redirectTo = api_get_self() . '?' . api_get_cidreq().'&'.http_build_query([
+                'action' => 'add_item',
+                'type' => 'step',
+                'lp_id' => intval($_SESSION['oLP']->lp_id)
+            ]);
+            break;
+        default:
+            require 'lp_list.php';
+            break;
 }
 
 if (!empty($_SESSION['oLP'])) {