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

670 lines
24 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This file allows creating new html documents with an online WYSIWYG html editor.
*
* @package chamilo.document
*/
/**
* Code
*/
/* INIT SECTION */
// Name of the language file that needs to be included
$language_file = array('document', 'gradebook');
require_once '../inc/global.inc.php';
$_SESSION['whereami'] = 'document/create';
$this_section = SECTION_COURSES;
$htmlHeadXtra[] = '
<style>
.formw {
margin-left:180px !important;
}
form .label {
width: 160px !important;
}
</style>
<script type="text/javascript">
function InnerDialogLoaded() {
/*
var B=new window.frames[0].FCKToolbarButton(\'Templates\',window.frames[0].FCKLang.Templates);
return B.ClickFrame();
*/
var isIE = (navigator.appVersion.indexOf(\'MSIE\') != -1) ? true : false ;
var EditorFrame = null ;
if ( !isIE ) {
EditorFrame = window.frames[0] ;
} else {
// For this dynamic page window.frames[0] enumerates frames in a different order in IE.
// We need a sure method to locate the frame that contains the online editor.
for ( var i = 0, n = window.frames.length ; i < n ; i++ ) {
if ( window.frames[i].location.toString().indexOf(\'InstanceName=content\') != -1 ) {
EditorFrame = window.frames[i] ;
}
}
}
if ( !EditorFrame ) {
return null ;
}
var B = new EditorFrame.FCKToolbarButton(\'Templates\', EditorFrame.FCKLang.Templates);
return B.ClickFrame();
};
var temp=false;
var temp2=false;
var use_document_title='.api_get_setting('use_document_title').';
var load_default_template = '. ((isset($_POST['submit']) || empty($_SERVER['QUERY_STRING'])) ? 'false' : 'true' ) .';
function launch_templates() {
//document.getElementById(\'frmModel\').style.display="block";
//document.getElementById(\'content___Frame\').width=\'70%\';
//window.frames[0].FCKToolbarItems.GetItem("Template").Click;
}
function FCKeditor_OnComplete( editorInstance ) {
editorInstance.Events.AttachEvent( \'OnSelectionChange\', check_for_title ) ;
document.getElementById(\'frmModel\').innerHTML = "<iframe style=\'height: 525px; width: 180px;\' scrolling=\'no\' frameborder=\'0\' src=\''.api_get_path(WEB_LIBRARY_PATH).'fckeditor/editor/fckdialogframe.html \'>";
}
function check_for_title() {
if (temp) {
// This functions shows that you can interact directly with the editor area
// DOM. In this way you have the freedom to do anything you want with it.
// Get the editor instance that we want to interact with.
var oEditor = FCKeditorAPI.GetInstance(\'content\') ;
// Get the Editor Area DOM (Document object).
var oDOM = oEditor.EditorDocument ;
var iLength ;
var contentText ;
var contentTextArray;
var bestandsnaamNieuw = "";
var bestandsnaamOud = "";
// The are two diffent ways to get the text (without HTML markups).
// It is browser specific.
if( document.all ) // If Internet Explorer.
{
contentText = oDOM.body.innerText ;
}
else // If Gecko.
{
var r = oDOM.createRange() ;
r.selectNodeContents( oDOM.body ) ;
contentText = r.toString() ;
}
var index=contentText.indexOf("/*<![CDATA");
contentText=contentText.substr(0,index);
// Compose title if there is none
contentTextArray = contentText.split(\' \') ;
var x=0;
for(x=0; (x<5 && x<contentTextArray.length); x++)
{
if(x < 4)
{
bestandsnaamNieuw += contentTextArray[x] + \' \';
}
else
{
bestandsnaamNieuw += contentTextArray[x];
}
}
// comment see FS#3335
// if(document.getElementById(\'title_edited\').value == "false")
// {
// document.getElementById(\'filename\').value = bestandsnaamNieuw;
// if(use_document_title){
// document.getElementById(\'title\').value = bestandsnaamNieuw;
// }
// }
}
temp=true;
}
function trim(s) {
while(s.substring(0,1) == \' \') {
s = s.substring(1,s.length);
}
while(s.substring(s.length-1,s.length) == \' \') {
s = s.substring(0,s.length-1);
}
return s;
}
function check_if_still_empty() {
if(trim(document.getElementById(\'filename\').value) != "") {
document.getElementById(\'title_edited\').value = "true";
}
}
function setFocus() {
$("#document_title").focus();
}
$(window).load(function () {
setFocus();
});
</script>';
require_once api_get_path(LIBRARY_PATH).'fileUpload.lib.php';
require_once api_get_path(LIBRARY_PATH).'document.lib.php';
require_once api_get_path(SYS_CODE_PATH).'document/document.inc.php';
require_once api_get_path(LIBRARY_PATH).'groupmanager.lib.php';
//I'm in the certification module?
$is_certificate_mode = false;
if (isset($_REQUEST['certificate']) && $_REQUEST['certificate'] == 'true') {
$is_certificate_mode = true;
}
if ($is_certificate_mode) {
$nameTools = get_lang('CreateCertificate');
} else {
$nameTools = get_lang('CreateDocument');
}
/* Constants and variables */
$doc_table = Database::get_course_table(TABLE_DOCUMENT);
$course_id = api_get_course_int_id();
$document_data = DocumentManager::get_document_data_by_id($_REQUEST['id'], api_get_course_id(), true);
if (empty($document_data)) {
if (api_is_in_group()) {
$group_properties = GroupManager::get_group_properties(api_get_group_id());
$document_id = DocumentManager::get_document_id(api_get_course_info(), $group_properties['directory']);
$document_data = DocumentManager::get_document_data_by_id($document_id, api_get_course_id());
$dir = $document_data['path'];
$folder_id = $document_data['id'];
} else {
$dir = '/';
$folder_id = 0;
}
} else {
$folder_id = $document_data['id'];
$dir = $document_data['path'];
}
/* MAIN CODE */
// Please, do not modify this dirname formatting
if (strstr($dir, '..')) {
$dir = '/';
}
if ($dir[0] == '.') {
$dir = substr($dir, 1);
}
if ($dir[0] != '/') {
$dir = '/'.$dir;
}
if ($dir[strlen($dir) - 1] != '/') {
$dir .= '/';
}
if ($is_certificate_mode) {
$document_id = DocumentManager::get_document_id(api_get_course_info(), '/certificates');
$document_data = DocumentManager::get_document_data_by_id($document_id, api_get_course_id(), true);
$folder_id = $document_data['id'];
$dir = '/certificates/';
}
// Configuration for the FCKEDITOR
$doc_tree = explode('/', $dir);
$count_dir = count($doc_tree) -2; // "2" because at the begin and end there are 2 "/"
if (api_is_in_group()) {
$group_properties = GroupManager::get_group_properties(api_get_group_id());
// Level correction for group documents.
if (!empty($group_properties['directory'])) {
$count_dir = $count_dir > 0 ? $count_dir - 1 : 0;
}
}
$relative_url = '';
for ($i = 0; $i < ($count_dir); $i++) {
$relative_url .= '../';
}
// We do this in order to avoid the condition in html_editor.php ==> if ($this -> fck_editor->Config['CreateDocumentWebDir']=='' || $this -> fck_editor->Config['CreateDocumentDir']== '')
if ($relative_url== '') {
$relative_url = '/';
}
$is_allowed_to_edit = api_is_allowed_to_edit(null, true);
$html_editor_config = array(
'ToolbarSet' => ($is_allowed_to_edit ? 'Documents' :'DocumentsStudent'),
'Width' => '100%',
'Height' => '500',
'FullPage' => true,
'InDocument' => true,
'CreateDocumentDir' => $relative_url,
'CreateDocumentWebDir' => (empty($group_properties['directory']))
? api_get_path(WEB_COURSE_PATH).$_course['path'].'/document/'
: api_get_path(WEB_COURSE_PATH).api_get_course_path().'/document'.$group_properties['directory'].'/',
'BaseHref' => api_get_path(WEB_COURSE_PATH).$_course['path'].'/document'.$dir
);
if ($is_certificate_mode) {
$html_editor_config['CreateDocumentDir'] = api_get_path(WEB_COURSE_PATH).$_course['path'].'/document/';
$html_editor_config['CreateDocumentWebDir'] = api_get_path(WEB_COURSE_PATH).$_course['path'].'/document/';
$html_editor_config['BaseHref'] = api_get_path(WEB_COURSE_PATH).$_course['path'].'/document'.$dir;
}
$filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document'.$dir;
if (!is_dir($filepath)) {
$filepath = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
$dir = '/';
}
$to_group_id = 0;
if (!$is_certificate_mode) {
if (api_is_in_group()) {
$req_gid = '&amp;gidReq='.api_get_group_id();
$interbreadcrumb[] = array ("url" => "../group/group_space.php?gidReq=".api_get_group_id(), "name" => get_lang('GroupSpace'));
$noPHP_SELF = true;
$to_group_id = api_get_group_id();
$path = explode('/', $dir);
if ('/'.$path[1] != $group_properties['directory']) {
api_not_allowed(true);
}
}
$interbreadcrumb[] = array ("url" => "./document.php?curdirpath=".urlencode($dir).$req_gid, "name" => get_lang('Documents'));
} else {
$interbreadcrumb[]= array ( 'url' => '../gradebook/'.$_SESSION['gradebook_dest'], 'name' => get_lang('Gradebook'));
}
if (!$is_allowed_in_course) {
api_not_allowed(true);
}
if (!($is_allowed_to_edit || $_SESSION['group_member_with_upload_rights'] || is_my_shared_folder($_user['user_id'], Security::remove_XSS($dir),api_get_session_id()))) {
api_not_allowed(true);
}
/* Header */
event_access_tool(TOOL_DOCUMENT);
$display_dir = $dir;
if (isset ($group_properties)) {
$display_dir = explode('/', $dir);
unset ($display_dir[0]);
unset ($display_dir[1]);
$display_dir = implode('/', $display_dir);
}
// Create a new form
$form = new FormValidator('create_document','post',api_get_self().'?dir='.Security::remove_XSS(urlencode($dir)).'&selectcat='.Security::remove_XSS($_GET['selectcat']));
// form title
$form->addElement('header', '', $nameTools);
if ($is_certificate_mode) {//added condition for certicate in gradebook
$form->addElement('hidden','certificate','true',array('id'=>'certificate'));
if (isset($_GET['selectcat']))
$form->addElement('hidden','selectcat', intval($_GET['selectcat']));
}
$renderer = & $form->defaultRenderer();
// Hidden element with current directory
$form->addElement('hidden', 'id');
$default['id'] = $folder_id;
// Filename
$form->addElement('hidden', 'title_edited', 'false', 'id="title_edited"');
/**
* Check if a document width the choosen filename allready exists
*/
function document_exists($filename) {
global $filepath;
$filename = addslashes(trim($filename));
$filename = Security::remove_XSS($filename);
$filename = replace_dangerous_char($filename);
$filename = disable_dangerous_file($filename);
return !file_exists($filepath.$filename.'.html');
}
$filename_template = str_replace('{element}', '{element}', $renderer->_elementTemplate); // TODO: What is the point of this statement?
$renderer->setElementTemplate($filename_template, 'filename');
// Initialize group array
$group = array();
// If allowed, add element for document title
if (api_get_setting('use_document_title') == 'true') {
$group[]=$form->createElement('text','title',get_lang('Title'),'class="input_titles" id="document_title"');
// Added by Ivan Tcholakov, 10-OCT-2009.
$form->addElement('hidden', 'filename', '', array('id' => 'filename'));
//
} else {
// replace the add_textfield with this
$group[]=$form->createElement('text', 'filename', get_lang('FileName'), 'class="input_titles" id="document_title" onblur="javascript: check_if_still_empty();"');
// Added by Ivan Tcholakov, 10-OCT-2009.
$form->addElement('hidden', 'title', '', array('id' => 'title'));
}
// Show read-only box only in groups
if (!empty($_SESSION['_gid'])) {
$group[]= $form->createElement('checkbox', 'readonly', '', get_lang('ReadOnly'));
}
// Add group to the form
if ($is_certificate_mode)
$form->addGroup($group, 'filename_group', get_lang('CertificateName') ,'&nbsp;&nbsp;&nbsp;', false);
else
$form->addGroup($group, 'filename_group', api_get_setting('use_document_title') == 'true' ? get_lang('Title') : get_lang('FileName') ,'&nbsp;&nbsp;&nbsp;', false);
$form->addRule('filename_group', get_lang('ThisFieldIsRequired'), 'required');
if (api_get_setting('use_document_title') == 'true') {
$form->addGroupRule('filename_group', array(
'title' => array(
array(get_lang('ThisFieldIsRequired'), 'required'),
array(get_lang('FileExists'),'callback', 'document_exists')
)
));
} else {
$form->addGroupRule('filename_group', array(
'filename' => array(
array(get_lang('ThisFieldIsRequired'), 'required'),
array(get_lang('FileExists'),'callback', 'document_exists')
)
));
}
$current_session_id = api_get_session_id();
// HTML-editor
$renderer->setElementTemplate('<div class="row"><div class="label" id="frmModel" style="overflow: visible;"></div><div class="formw">{element}</div></div><div class="clear"></div>', 'content');
$form->add_html_editor('content','', false, false, $html_editor_config);
// Comment-field
$folders = DocumentManager::get_all_document_folders($_course, $to_group_id, $is_allowed_to_edit);
// If we are not in the certificates creation, display a folder chooser for the
// new document created
if (!$is_certificate_mode && !is_my_shared_folder($_user['user_id'], $dir, $current_session_id)) {
$folders = DocumentManager::get_all_document_folders($_course, $to_group_id, $is_allowed_to_edit);
$parent_select = $form->addElement('select', 'curdirpath', array(null, get_lang('DestinationDirectory')));
// Following two conditions copied from document.inc.php::build_directory_selector()
$folder_titles = array();
if (api_get_setting('use_document_title') == 'true') {
if (is_array($folders)) {
$escaped_folders = array();
foreach ($folders as $key => & $val) {
//Hide some folders
if ($val=='/HotPotatoes_files' || $val=='/certificates' || basename($val)=='css'){
continue;
}
//Admin setting for Hide/Show the folders of all users
if (api_get_setting('show_users_folders') == 'false' && (strstr($val, '/shared_folder') || strstr($val, 'shared_folder_session_'))){
continue;
}
//Admin setting for Hide/Show Default folders to all users
if (api_get_setting('show_default_folders') == 'false' && ($val=='/images' || $val=='/flash' || $val=='/audio' || $val=='/video' || strstr($val, '/images/gallery') || $val=='/video/flv')){
continue;
}
//Admin setting for Hide/Show chat history folder
if (api_get_setting('show_chat_folder') == 'false' && $val=='/chat_files'){
continue;
}
$escaped_folders[$key] = Database::escape_string($val);
}
$folder_sql = implode("','", $escaped_folders);
$sql = "SELECT * FROM $doc_table WHERE c_id = $course_id AND filetype='folder' AND path IN ('".$folder_sql."')";
$res = Database::query($sql);
$folder_titles = array();
while ($obj = Database::fetch_object($res)) {
$folder_titles[$obj->path] = $obj->title;
}
}
} else {
if (is_array($folders)) {
foreach ($folders as & $folder) {
$folder_titles[$folder] = basename($folder);
}
}
}
if (empty($group_dir)) {
$parent_select -> addOption(get_lang('HomeDirectory'), '/');
if (is_array($folders)) {
foreach ($folders as & $folder) {
//Hide some folders
if ($folder=='/HotPotatoes_files' || $folder=='/certificates' || basename($folder)=='css'){
continue;
}
//Admin setting for Hide/Show the folders of all users
if (api_get_setting('show_users_folders') == 'false' && (strstr($folder, '/shared_folder') || strstr($folder, 'shared_folder_session_'))){
continue;
}
//Admin setting for Hide/Show Default folders to all users
if (api_get_setting('show_default_folders') == 'false' && ($folder=='/images' || $folder=='/flash' || $folder=='/audio' || $folder=='/video' || strstr($folder, '/images/gallery') || $folder=='/video/flv')){
continue;
}
//Admin setting for Hide/Show chat history folder
if (api_get_setting('show_chat_folder') == 'false' && $folder=='/chat_files'){
continue;
}
$selected = (substr($dir,0,-1) == $folder) ? ' selected="selected"' : '';
$path_parts = explode('/', $folder);
$folder_titles[$folder] = cut($folder_titles[$folder], 80);
$label = str_repeat('&nbsp;&nbsp;&nbsp;', count($path_parts) - 2).' &mdash; '.$folder_titles[$folder];
$parent_select -> addOption($label, $folder);
if ($selected != '') {
$parent_select->setSelected($folder);
}
}
}
} else {
foreach ($folders as & $folder) {
$selected = (substr($dir,0,-1)==$folder) ? ' selected="selected"' : '';
$label = $folder_titles[$folder];
if ($folder == $group_dir) {
$label = '/ ('.get_lang('HomeDirectory').')';
} else {
$path_parts = explode('/', str_replace($group_dir, '', $folder));
$label = cut($label, 80);
$label = str_repeat('&nbsp;&nbsp;&nbsp;', count($path_parts) - 2).' &mdash; '.$label;
}
$parent_select -> addOption($label, $folder);
if ($selected != '') {
$parent_select->setSelected($folder);
}
}
}
}
//$form->addElement('textarea', 'comment', get_lang('Comment'), array ('rows' => 5, 'cols' => 50));
if ($is_certificate_mode)
$form->addElement('style_submit_button', 'submit', get_lang('CreateCertificate'), 'class="save"');
else
$form->addElement('style_submit_button', 'submit', get_lang('langCreateDoc'), 'class="save"');
$form->setDefaults($default);
// If form validates -> save the new document
if ($form->validate()) {
$values = $form->exportValues();
$readonly = isset($values['readonly']) ? 1 : 0;
$values['title'] = trim($values['title']);
if (!empty($values['curdirpath'])) {
$dir = $values['curdirpath'];
}
if ($dir[strlen($dir) - 1] != '/') {
$dir .= '/';
}
if (api_get_setting('use_document_title') != 'true') {
$values['title'] = $values['filename'];
} else {
$values['filename'] = $values['title'];
}
$values['filename'] = addslashes(trim($values['filename']));
$values['filename'] = Security::remove_XSS($values['filename']);
$values['filename'] = replace_dangerous_char($values['filename']);
$values['filename'] = disable_dangerous_file($values['filename']);
$filename = $values['filename'];
$title = $values['title'];
$extension = 'html';
$content = Security::remove_XSS($values['content'], COURSEMANAGERLOWSECURITY);
if (strpos($content, '/css/frames.css') === false) {
$content = str_replace('</head>', '<style> body{margin:10px;}</style> <link rel="stylesheet" href="./css/frames.css" type="text/css" /></head>', $content);
}
if ($fp = @fopen($filepath.$filename.'.'.$extension, 'w')) {
$content = str_replace(api_get_path(WEB_COURSE_PATH), $_configuration['url_append'].'/courses/', $content);
// change the path of mp3 to absolute
// first regexp deals with ../../../ urls
// Disabled by Ivan Tcholakov.
//$content = preg_replace("|(flashvars=\"file=)(\.+/)+|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/',$content);
//second regexp deals with audio/ urls
// Disabled by Ivan Tcholakov.
//$content = preg_replace("|(flashvars=\"file=)([^/]+)/|","$1".api_get_path(REL_COURSE_PATH).$_course['path'].'/document/$2/',$content);
fputs($fp, $content);
fclose($fp);
chmod($filepath.$filename.'.'.$extension, api_get_permissions_for_new_files());
if (!is_dir($filepath.'css')) {
mkdir($filepath.'css', api_get_permissions_for_new_directories());
$doc_id = add_document($_course, $dir.'css', 'folder', 0, 'css');
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'FolderCreated', $_user['user_id'], null, null, null, null, $current_session_id);
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'invisible', $_user['user_id'], null, null, null, null, $current_session_id);
}
if (!is_file($filepath.'css/frames.css')) {
// Make a copy of the current css for the new document
copy(api_get_path(SYS_CODE_PATH).'css/'.api_get_setting('stylesheets').'/frames.css', $filepath.'css/frames.css');
$doc_id = add_document($_course, $dir.'css/frames.css', 'file', filesize($filepath.'css/frames.css'), 'frames.css');
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'DocumentAdded', $_user['user_id'], null, null, null, null, $current_session_id);
api_item_property_update($_course, TOOL_DOCUMENT, $doc_id, 'invisible', $_user['user_id'], null, null, null, null, $current_session_id);
}
$file_size = filesize($filepath.$filename.'.'.$extension);
$save_file_path = $dir.$filename.'.'.$extension;
$document_id = add_document($_course, $save_file_path, 'file', $file_size, $title, null, $readonly);
if ($document_id) {
api_item_property_update($_course, TOOL_DOCUMENT, $document_id, 'DocumentAdded', $_user['user_id'], $to_group_id, null, null, null, $current_session_id);
// Update parent folders
item_property_update_on_folder($_course, $dir, $_user['user_id']);
$new_comment = isset($_POST['comment']) ? trim($_POST['comment']) : '';
$new_title = isset($_POST['title']) ? trim($_POST['title']) : '';
if ($new_comment || $new_title) {
$ct = '';
if ($new_comment)
$ct .= ", comment='$new_comment'";
if ($new_title)
$ct .= ", title='$new_title'";
Database::query("UPDATE $doc_table SET".substr($ct, 1)." WHERE c_id = $course_id AND id = '$document_id'");
}
$dir= substr($dir,0,-1);
$selectcat = '';
if (isset($_REQUEST['selectcat']))
$selectcat = "&selectcat=".Security::remove_XSS($_REQUEST['selectcat']);
$certificate_condition = '';
if ($is_certificate_mode) {
$certificate_condition = '&certificate=true';
}
header('Location: document.php?id='.$folder_id.$selectcat.$certificate_condition);
exit ();
} else {
Display :: display_header($nameTools, 'Doc');
Display :: display_error_message(get_lang('Impossible'));
Display :: display_footer();
}
} else {
Display :: display_header($nameTools, 'Doc');
Display :: display_error_message(get_lang('Impossible'));
Display :: display_footer();
}
} else {
// Interbreadcrumb for the current directory root path
// Copied from document.php
$dir_array = explode('/', $dir);
$array_len = count($dir_array);
/*
TODO:check and delete this code
if (!$is_certificate_mode) {
if ($array_len > 1) {
if (empty($_SESSION['_gid'])) {
$url_dir = 'document.php?&curdirpath=/';
$interbreadcrumb[] = array('url' => $url_dir, 'name' => get_lang('HomeDirectory'));
}
}
}
*/
// Interbreadcrumb for the current directory root path
if (empty($document_data['parents'])) {
$interbreadcrumb[] = array('url' => '#', 'name' => $document_data['title']);
} else {
foreach($document_data['parents'] as $document_sub_data) {
$interbreadcrumb[] = array('url' => $document_sub_data['document_url'], 'name' => $document_sub_data['title']);
}
}
Display :: display_header($nameTools, "Doc");
//api_display_tool_title($nameTools);
// actions
echo '<div class="actions">';
// link back to the documents overview
if ($is_certificate_mode)
echo '<a href="document.php?certificate=true&id='.$folder_id.'&selectcat=' . Security::remove_XSS($_GET['selectcat']).'">'.Display::return_icon('back.png',get_lang('Back').' '.get_lang('To').' '.get_lang('CertificateOverview'),'',ICON_SIZE_MEDIUM).'</a>';
else
echo '<a href="document.php?curdirpath='.Security::remove_XSS($dir).'">'.Display::return_icon('back.png',get_lang('Back').' '.get_lang('To').' '.get_lang('DocumentsOverview'),'',ICON_SIZE_MEDIUM).'</a>';
echo '</div>';
if ($is_certificate_mode) {
$all_information_by_create_certificate = DocumentManager::get_all_info_to_certificate(api_get_user_id(), api_get_course_id());
$str_info = '';
foreach ($all_information_by_create_certificate[0] as $info_value) {
$str_info.=$info_value.'<br/>';
}
$create_certificate = get_lang('CreateCertificateWithTags');
Display::display_normal_message($create_certificate.': <br /><br/>'.$str_info,false);
}
$form->display();
Display :: display_footer();
}