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

224 lines
8.8 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This file will show documents in a separate frame.
* We don't like frames, but it was the best of two bad things.
*
* display html files within Chamilo - html files have the Chamilo header.
*
* --- advantages ---
* users "feel" like they are in Chamilo,
* and they can use the navigation context provided by the header.
*
* --- design ---
* a file gets a parameter (an html file)
* and shows
* - chamilo header
* - html file from parameter
* - (removed) chamilo footer
*
* @version 0.6
* @author Roan Embrechts (roan.embrechts@vub.ac.be)
* @package chamilo.document
*/
/**
* INITIALIZATION
*/
$language_file[] = 'document';
require_once '../inc/global.inc.php';
require_once api_get_path(LIBRARY_PATH).'document.lib.php';
require_once api_get_path(LIBRARY_PATH).'glossary.lib.php';
require_once api_get_path(LIBRARY_PATH).'groupmanager.lib.php';
// Protection
api_protect_course_script();
$noPHP_SELF = true;
$header_file = Security::remove_XSS($_GET['file']);
$document_id = intval($_GET['id']);
$course_info = api_get_course_info();
$course_code = api_get_course_id();
if (empty($course_info)) {
api_not_allowed(true);
}
//Generate path
if (!$document_id) {
$document_id = DocumentManager::get_document_id($course_info, $header_file);
}
$document_data = DocumentManager::get_document_data_by_id($document_id, $course_code, true);
if (empty($document_data)) {
api_not_allowed(true);
}
$header_file = $document_data['path'];
$name_to_show = $document_data['title'];
$path_array = explode('/', str_replace('\\', '/', $header_file));
$path_array = array_map('urldecode', $path_array);
$header_file = implode('/', $path_array);
$file = Security::remove_XSS(urldecode($document_data['path']));
$file_root = $course_info['path'].'/document'.str_replace('%2F', '/', $file);
$file_url_sys = api_get_path(SYS_COURSE_PATH).$file_root;
$file_url_web = api_get_path(WEB_COURSE_PATH).$file_root;
if (!file_exists($file_url_sys)) {
api_not_allowed(true);
}
if (is_dir($file_url_sys)) {
api_not_allowed(true);
}
//fix the screen when you try to access a protected course through the url
$is_allowed_in_course = $_SESSION ['is_allowed_in_course'];
if ($is_allowed_in_course == false) {
api_not_allowed(true);
}
//Check user visibility
//$is_visible = DocumentManager::is_visible_by_id($document_id, $course_info, api_get_session_id(), api_get_user_id());
$is_visible = DocumentManager::check_visibility_tree($document_id, api_get_course_id(), api_get_session_id(), api_get_user_id());
if (!api_is_allowed_to_edit() && !$is_visible) {
api_not_allowed(true);
}
$group_id = api_get_group_id();
$current_group = GroupManager::get_group_properties($group_id);
$current_group_name=$current_group['name'];
if (isset($group_id) && $group_id != '') {
$req_gid = '&amp;gidReq='.$group_id;
$interbreadcrumb[] = array ('url' => '../group/group.php?', 'name' => get_lang('Groups'));
$interbreadcrumb[] = array('url' => '../group/group_space.php?gidReq='.$group_id, 'name' => get_lang('GroupSpace').' '.$current_group_name);
$name_to_show = explode('/', $name_to_show);
unset ($name_to_show[1]);
$name_to_show = implode('/', $name_to_show);
}
$interbreadcrumb[] = array('url' => './document.php?curdirpath='.dirname($header_file).$req_gid, 'name' => get_lang('Documents'));
if (empty($document_data['parents'])) {
if (isset($_GET['createdir'])) {
$interbreadcrumb[] = array('url' => $document_data['document_url'], 'name' => $document_data['title']);
} else {
$interbreadcrumb[] = array('url' => '#', 'name' => $document_data['title']);
}
} else {
foreach($document_data['parents'] as $document_sub_data) {
if (!isset($_GET['createdir']) && $document_sub_data['id'] == $document_data['id']) {
$document_sub_data['document_url'] = '#';
}
$interbreadcrumb[] = array('url' => $document_sub_data['document_url'], 'name' => $document_sub_data['title']);
}
}
$this_section = SECTION_COURSES;
$_SESSION['whereami'] = 'document/view';
$nameTools = get_lang('Documents');
/**
* Main code section
*/
header('Expires: Wed, 01 Jan 1990 00:00:00 GMT');
//header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
header('Last-Modified: Wed, 01 Jan 2100 00:00:00 GMT');
header('Cache-Control: no-cache, must-revalidate');
header('Pragma: no-cache');
$browser_display_title = 'Documents - '.Security::remove_XSS($_GET['cidReq']).' - '.$file;
// Only admins get to see the "no frames" link in pageheader.php, so students get a header that's not so high
$frameheight = 135;
if ($is_courseAdmin) {
$frameheight = 165;
}
$js_glossary_in_documents = '';
if (api_get_setting('show_glossary_in_documents') == 'ismanual') {
$js_glossary_in_documents = ' // $(document).ready(function() {
$.frameReady(function() {
// $("<div>I am a div courses</div>").prependTo("body");
}, "top.mainFrame",
{ load: [
{type:"script", id:"_fr1", src:"'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.min.js"},
{type:"script", id:"_fr2", src:"'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.highlight.js"},
{type:"script", id:"_fr3", src:"'.api_get_path(WEB_LIBRARY_PATH).'fckeditor/editor/plugins/glossary/fck_glossary_manual.js"}
]
}
);
//});';
} elseif (api_get_setting('show_glossary_in_documents') == 'isautomatic') {
$js_glossary_in_documents = '// $(document).ready(function() {
$.frameReady(function(){
// $("<div>I am a div courses</div>").prependTo("body");
}, "top.mainFrame",
{ load: [
{type:"script", id:"_fr1", src:"'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.min.js"},
{type:"script", id:"_fr2", src:"'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.highlight.js"},
{type:"script", id:"_fr3", src:"'.api_get_path(WEB_LIBRARY_PATH).'fckeditor/editor/plugins/glossary/fck_glossary_automatic.js"}
]
}
);
// });';
}
$htmlHeadXtra[] = '<script type="text/javascript">
<!--
var jQueryFrameReadyConfigPath = \''.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.min.js\';
-->
</script>';
$htmlHeadXtra[] = '<script type="text/javascript" src="'.api_get_path(WEB_LIBRARY_PATH).'javascript/jquery.frameready.js"></script>';
$htmlHeadXtra[] = '
<script type="text/javascript">
<!--
var updateContentHeight = function() {
//HeaderHeight = document.getElementById("header").offsetHeight;
//FooterHeight = document.getElementById("footer").offsetHeight;
//document.getElementById("mainFrame").style.height = ((docHeight-(parseInt(HeaderHeight)+parseInt(FooterHeight)))+60)+"px";
my_iframe = document.getElementById("mainFrame");
//this doesnt seem to work in IE 7,8,9
new_height = my_iframe.contentWindow.document.body.scrollHeight;
my_iframe.height = my_iframe.contentWindow.document.body.scrollHeight + "px";
};
// Fixes the content height of the frame
window.onload = function() {
updateContentHeight();
'.$js_glossary_in_documents.'
}
-->
</script>';
//Display::display_header($tool_name, 'User');
Display::display_header('');
echo "<div align=\"center\">";
$file_url_web = api_get_path(WEB_COURSE_PATH).$_course['path'].'/document'.$header_file.'?'.api_get_cidreq();
echo '<a href="'.$file_url_web.'" target="_blank">'.get_lang('_cut_paste_link').'</a></div>';
$pathinfo =pathinfo($header_file);
if ($pathinfo['extension']=='wav' && api_get_setting('enable_nanogong') == 'true'){
echo '<div align="center">';
echo '<br/>';
echo '<applet id="applet" archive="../inc/lib/nanogong/nanogong.jar" code="gong.NanoGong" width="160" height="40">';
echo '<param name="SoundFileURL" value="'.$file_url_web.'" />';
echo '<param name="ShowSaveButton" value="false" />';
echo '<param name="ShowTime" value="true" />';
echo '<param name="ShowRecordButton" value="false" />';
echo '</applet>';
echo '</div>';
}
else{
echo '<iframe border="0" frameborder="0" scrolling="no" style="width:100%;" height="600" id="mainFrame" name="mainFrame" src="'.$file_url_web.'&amp;rand='.mt_rand(1, 10000).'" height="500"></iframe>';
}
Display::display_footer();