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

103 lines
3.7 KiB

<?php //$id:$
/**
* Defines the AICC class, which is meant to contain the aicc items (nuclear elements)
* @package dokeos.learnpath.aicc
* @author Yannick Warnier <ywarnier@beeznest.org>
* @license GNU/GPL - See Dokeos license directory for details
*/
/**
* Defines the "aicc" child of class "learnpath"
* @package dokeos.learnpath.aicc
*/
class presentation extends learnpath {
/**
* Class constructor. Based on the parent constructor.
* @param string Course code
* @param integer Learnpath ID in DB
* @param integer User ID
*/
function presentation($course_code=null,$resource_id=null,$user_id=null) {
if($this->debug>0){error_log('In presentation::presentation()',0);}
if(!empty($course_code) and !empty($resource_id) and !empty($user_id))
{
parent::learnpath($course_code, $resource_id, $user_id);
}else{
//do nothing but still build the presentation object
}
}
function convert_presentation($file){
global $_course, $_user;
// get properties of ppt file
$document_datas = DocumentManager::get_all_document_data($_course, $file);
$to_group_id = (empty($document_datas['to_group_id'])) ? 0 : $document_datas['to_group_id'];
$to_user_id = (empty($document_datas['to_user_id'])) ? null : $document_datas['to_user_id'];
//create the directory
$added_slash = '/';
$dir_name = $added_slash.substr($file['name'], 0, strrpos($file['name'],'.'));
$base_work_dir = api_get_path(SYS_COURSE_PATH).$_course['path'].'/document/';
$created_dir = create_unexisting_directory($_course,$_user['user_id'],$to_group_id,$to_user_id,$base_work_dir,$dir_name);
move_uploaded_file($file['tmp_name'],$base_work_dir.$file['name']);
$file = $base_work_dir.$file['name'];
chmod($file,0777);
/*
* exec java application
* the parameters of the program are :
* - javacommand on this server ;
* - host where openoffice is running;
* - port with which openoffice is listening
* - file to convert
* - folder where put the slides
* - ftppassword if required
* The program fills $files with the list of slides created
*/
$cmd = 'cd '.api_get_path(LIBRARY_PATH).'ppt2png && ./launch_ppt2png.sh java '.api_get_setting('service_ppt2lp','host').' 2002 "'.$file.'" "'.$base_work_dir.$created_dir.'"'.' '.api_get_setting('service_ppt2lp','user').' '.api_get_setting('service_ppt2lp','ftp_password');
chmod ($base_work_dir.$created_dir,0777);
$shell = exec($cmd, $files, $return);
chmod ($base_work_dir.$created_dir,0744);
if($return != 0) { //if the java application returns an error code
DocumentManager::delete_document($_course, $dir_name, $base_work_dir);
return false;
}
else {
// create lp
$learnpath_name .= basename($file);
$learnpath_name = substr($learnpath_name,0, strrpos($learnpath_name,'.'));
$this->lp_id = learnpath::add_lp($_course['id'], $learnpath_name,'','guess','manual');
$previous = 0;
$i = 0;
foreach($files as $file){
$i++;
$document_id = add_document($_course,$created_dir.'/'.$file,'file',filesize($base_work_dir.$created_dir.'/'.$file),$file);
if ($document_id){
//put the document in item_property update
api_item_property_update($_course,TOOL_DOCUMENT,$document_id,'DocumentAdded',$_SESSION['_uid'],$to_group_id,$to_user_id);
$infos = pathinfo($file);
//$slide_name = substr($infos['basename'],0,strpos($infos['basename'],'.'));
$slide_name = 'slide'.str_repeat('0',2-strlen($i)).$i;
$previous = learnpath::add_item(0, $previous, 'document', $document_id, $slide_name, '');
}
}
}
return true;
}
}
?>