You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
308 lines
11 KiB
308 lines
11 KiB
<?php
|
|
/* For licensing terms, see /license.txt */
|
|
|
|
/**
|
|
* This is a learning path creation and player tool in Chamilo - previously learnpath_handler.php
|
|
*
|
|
* @author Patrick Cool
|
|
* @author Denes Nagy
|
|
* @author Roan Embrechts, refactoring and code cleaning
|
|
* @author Yannick Warnier <ywarnier@beeznest.org> - cleaning and update for new SCORM tool
|
|
* @package chamilo.learnpath
|
|
*/
|
|
|
|
/**
|
|
* INIT SECTION
|
|
*/
|
|
|
|
$this_section = SECTION_COURSES;
|
|
|
|
api_protect_course_script();
|
|
|
|
/* Libraries */
|
|
|
|
// The main_api.lib.php, database.lib.php and display.lib.php
|
|
// libraries are included by default.
|
|
|
|
include 'learnpath_functions.inc.php';
|
|
//include '../resourcelinker/resourcelinker.inc.php';
|
|
include 'resourcelinker.inc.php';
|
|
// Rewrite the language file, sadly overwritten by resourcelinker.inc.php.
|
|
$language_file = "learnpath";
|
|
|
|
/* Constants and variables */
|
|
|
|
$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
|
|
|
|
$tbl_lp = Database::get_course_table(TABLE_LP_MAIN);
|
|
$tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
|
|
$tbl_lp_view = Database::get_course_table(TABLE_LP_VIEW);
|
|
|
|
$isStudentView = (int) $_REQUEST['isStudentView'];
|
|
$learnpath_id = (int) $_REQUEST['lp_id'];
|
|
$submit = $_POST['submit_button'];
|
|
|
|
/* MAIN CODE */
|
|
|
|
// Using the resource linker as a tool for adding resources to the learning path.
|
|
if ($action == 'add' and $type == 'learnpathitem') {
|
|
$htmlHeadXtra[] = "<script language='JavaScript' type='text/javascript'> window.location=\"../resourcelinker/resourcelinker.php?source_id=5&action=$action&learnpath_id=$learnpath_id&chapter_id=$chapter_id&originalresource=no\"; </script>";
|
|
}
|
|
if ((!$is_allowed_to_edit) || ($isStudentView)) {
|
|
error_log('New LP - User not authorized in lp_admin_view.php');
|
|
header('location:lp_controller.php?action=view&lp_id='.$learnpath_id);
|
|
}
|
|
// From here on, we are admin because of the previous condition, so don't check anymore.
|
|
|
|
$course_id = api_get_course_int_id();
|
|
|
|
$sql_query = "SELECT * FROM $tbl_lp WHERE c_id = $course_id AND id = $learnpath_id";
|
|
$result = Database::query($sql_query);
|
|
$therow = Database::fetch_array($result);
|
|
|
|
//$admin_output = '';
|
|
/*
|
|
Course admin section
|
|
- all the functions not available for students - always available in this case (page only shown to admin)
|
|
*/
|
|
|
|
/* SHOWING THE ADMIN TOOLS */
|
|
|
|
if (isset($_SESSION['gradebook'])) {
|
|
$gradebook = $_SESSION['gradebook'];
|
|
}
|
|
|
|
if (!empty($gradebook) && $gradebook == 'view') {
|
|
$interbreadcrumb[] = array (
|
|
'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
|
|
'name' => get_lang('ToolGradebook')
|
|
);
|
|
}
|
|
|
|
$interbreadcrumb[] = array('url' => 'lp_controller.php?action=list', 'name' => get_lang('LearningPaths'));
|
|
$interbreadcrumb[] = array('url' => api_get_self()."?action=build&lp_id=$learnpath_id", "name" => stripslashes("{$therow['name']}"));
|
|
$interbreadcrumb[] = array('url' => api_get_self()."?action=add_item&type=step&lp_id=$learnpath_id", 'name' => get_lang('NewStep'));
|
|
|
|
if (isset($_REQUEST['updateaudio'])) {
|
|
$interbreadcrumb[] = array('url' => '#', 'name' => get_lang('UpdateAllAudioFragments'));
|
|
} else {
|
|
$interbreadcrumb[] = array('url' => '#', 'name' => get_lang('BasicOverview'));
|
|
}
|
|
|
|
// Theme calls.
|
|
$show_learn_path = true;
|
|
$lp_theme_css = $_SESSION['oLP']->get_theme();
|
|
|
|
Display::display_header(null, 'Path');
|
|
$suredel = trim(get_lang('AreYouSureToDelete'));
|
|
|
|
?>
|
|
<script>
|
|
|
|
var newOrderData= "";
|
|
//source code found in http://www.swartzfager.org/blog/dspNestedList.cfm
|
|
|
|
$(function() {
|
|
<?php
|
|
if (!isset($_REQUEST['updateaudio'])) {
|
|
?>
|
|
$("#lp_item_list").sortable({
|
|
items: "li",
|
|
handle: ".moved", //only the class "moved"
|
|
cursor: "move",
|
|
placeholder: "ui-state-highlight", //defines the yellow highlight
|
|
});
|
|
|
|
$("#listSubmit").click(function () {
|
|
//Disable the submit button to prevent a double-click
|
|
$(this).attr("disabled","disabled");
|
|
//Initialize the variable that will contain the data to submit to the form
|
|
newOrderData= "";
|
|
//All direct descendants of the lp_item_list will have a parentId of 0
|
|
var parentId= 0;
|
|
|
|
//Walk through the direct descendants of the lp_item_list <ul>
|
|
$("#lp_item_list").children().each(function () {
|
|
|
|
/*Only process elements with an id attribute (in order to skip the blank,
|
|
unmovable <li> elements.*/
|
|
|
|
if ($(this).attr("id")) {
|
|
/*Build a string of data with the child's ID and parent ID,
|
|
using the "|" as a delimiter between the two IDs and the "^"
|
|
as a record delimiter (these delimiters were chosen in case the data
|
|
involved includes more common delimiters like commas within the content)
|
|
*/
|
|
newOrderData= newOrderData + $(this).attr("id") + "|" + "0" + "^";
|
|
|
|
//Determine if this child is a containter
|
|
if ($(this).is(".li_container")) {
|
|
//Process the child elements of the container
|
|
processChildren($(this).attr("id"));
|
|
}
|
|
}
|
|
|
|
}); //end of lp_item_list children loop
|
|
|
|
//Write the newOrderData string out to the listResults form element
|
|
//$("#listResults").val(newOrderData);
|
|
var order = "new_order="+ newOrderData + "&a=update_lp_item_order";
|
|
$.post("<?php echo api_get_path(WEB_AJAX_PATH)?>lp.ajax.php", order, function(reponse){
|
|
$("#message").html(reponse);
|
|
});
|
|
|
|
setTimeout(function() {
|
|
$("#message").html('');
|
|
}, 3000);
|
|
|
|
return false;
|
|
|
|
}); //end of lp_item_list event assignment
|
|
|
|
<?php } ?>
|
|
function processChildren(parentId) {
|
|
//Loop through the children of the UL element defined by the parentId
|
|
var ulParentID= "UL_" + parentId;
|
|
$("#" + ulParentID).children().each(function () {
|
|
|
|
/*Only process elements with an id attribute (in order to skip the blank,
|
|
unmovable <li> elements.*/
|
|
|
|
if ($(this).attr("id")) {
|
|
/*Build a string of data with the child's ID and parent ID,
|
|
using the "|" as a delimiter between the two IDs and the "^"
|
|
as a record delimiter (these delimiters were chosen in case the data
|
|
involved includes more common delimiters like commas within the content)
|
|
*/
|
|
newOrderData= newOrderData + $(this).attr("id") + "|" + parentId + "^";
|
|
|
|
//Determine if this child is a containter
|
|
if ($(this).is(".container")) {
|
|
//Process the child elements of the container
|
|
processChildren($(this).attr("id"));
|
|
}
|
|
}
|
|
}); //end of children loop
|
|
} //end of processChildren function
|
|
});
|
|
|
|
/* <![CDATA[ */
|
|
function stripslashes(str) {
|
|
str=str.replace(/\\'/g,'\'');
|
|
str=str.replace(/\\"/g,'"');
|
|
str=str.replace(/\\\\/g,'\\');
|
|
str=str.replace(/\\0/g,'\0');
|
|
return str;
|
|
}
|
|
|
|
function confirmation(name) {
|
|
name=stripslashes(name);
|
|
if (confirm("<?php echo $suredel; ?> " + name + " ?")) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
</script>
|
|
<?php
|
|
|
|
/* DISPLAY SECTION */
|
|
|
|
switch ($_GET['action']) {
|
|
case 'edit_item':
|
|
if (isset($is_success) && $is_success === true) {
|
|
Display::display_confirmation_message(get_lang('_learnpath_item_edited'));
|
|
} else {
|
|
echo $_SESSION['oLP']->display_edit_item($_GET['id']);
|
|
}
|
|
break;
|
|
case 'delete_item':
|
|
if (isset($is_success) && $is_success === true) {
|
|
Display::display_confirmation_message(get_lang('_learnpath_item_deleted'));
|
|
}
|
|
break;
|
|
}
|
|
|
|
// POST action handling (uploading mp3, deleting mp3)
|
|
if (isset($_POST['save_audio'])) {
|
|
|
|
//Updating the lp.modified_on
|
|
$_SESSION['oLP']->set_modified_on();
|
|
|
|
// Deleting the audio fragments.
|
|
foreach ($_POST as $key => $value) {
|
|
if (substr($key, 0, 9) == 'removemp3') {
|
|
$lp_items_to_remove_audio[] = str_ireplace('removemp3', '', $key);
|
|
// Removing the audio from the learning path item.
|
|
$tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
|
|
$in = implode(',', $lp_items_to_remove_audio);
|
|
}
|
|
}
|
|
if (count($lp_items_to_remove_audio)>0) {
|
|
$sql = "UPDATE $tbl_lp_item SET audio = '' WHERE c_id = $course_id AND id IN (".$in.")";
|
|
$result = Database::query($sql);
|
|
}
|
|
|
|
// Uploading the audio files.
|
|
foreach ($_FILES as $key => $value) {
|
|
if (substr($key, 0, 7) == 'mp3file' AND !empty($_FILES[$key]['tmp_name'])) {
|
|
// The id of the learning path item.
|
|
$lp_item_id = str_ireplace('mp3file', '', $key);
|
|
|
|
// Create the audio folder if it does not exist yet.
|
|
global $_course;
|
|
$filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
|
|
if (!is_dir($filepath.'audio')) {
|
|
mkdir($filepath.'audio', api_get_permissions_for_new_directories());
|
|
$audio_id = add_document($_course, '/audio', 'folder', 0, 'audio');
|
|
api_item_property_update($_course, TOOL_DOCUMENT, $audio_id, 'FolderCreated', api_get_user_id(), null, null, null, null, api_get_session_id());
|
|
}
|
|
|
|
// Check if file already exits into document/audio/
|
|
$file_name = $_FILES[$key]['name'];
|
|
$file_name = stripslashes($file_name);
|
|
// Add extension to files without one (if possible).
|
|
$file_name = add_ext_on_mime($file_name, $_FILES[$key]['type']);
|
|
|
|
$clean_name = replace_dangerous_char($file_name);
|
|
// No "dangerous" files.
|
|
$clean_name = disable_dangerous_file($clean_name);
|
|
|
|
$check_file_path = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/audio/'.$clean_name;
|
|
|
|
// If the file exists we generate a new name.
|
|
if (file_exists($check_file_path)) {
|
|
$filename_components = explode('.', $clean_name);
|
|
// Gettting the extension of the file.
|
|
$file_extension = $filename_components[count($filename_components) - 1];
|
|
// Adding something random to prevent overwriting.
|
|
$filename_components[count($filename_components) - 1] = time();
|
|
// Reconstructing the new filename.
|
|
$clean_name = implode($filename_components) .'.'.$file_extension;
|
|
// Using the new name in the $_FILES superglobal.
|
|
$_FILES[$key]['name'] = $clean_name;
|
|
}
|
|
|
|
// Upload the file in the documents tool.
|
|
include_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
|
|
$file_path = handle_uploaded_document($_course, $_FILES[$key], api_get_path(SYS_COURSE_PATH).$_course['path'].'/document','/audio', api_get_user_id(), '', '', '', '', '', false);
|
|
|
|
// Getting the filename only.
|
|
$file_components = explode('/', $file_path);
|
|
$file = $file_components[count($file_components) - 1];
|
|
|
|
// Store the mp3 file in the lp_item table.
|
|
$tbl_lp_item = Database::get_course_table(TABLE_LP_ITEM);
|
|
$sql_insert_audio = "UPDATE $tbl_lp_item SET audio = '".Database::escape_string($file)."'
|
|
WHERE c_id = $course_id AND id = '".Database::escape_string($lp_item_id)."'";
|
|
Database::query($sql_insert_audio);
|
|
}
|
|
}
|
|
Display::display_confirmation_message(get_lang('ItemUpdated'));
|
|
}
|
|
echo $_SESSION['oLP']->build_action_menu();
|
|
|
|
echo $_SESSION['oLP']->overview();
|
|
|
|
/* FOOTER */
|
|
Display::display_footer();
|