<?php //$id:$
/**
* Defines the OpenofficeDocument class, which is meant as a conversion
* tool from Office presentations (.ppt, .sxi, .odp, .pptx) to
* learning paths
* @package dokeos.learnpath
* @author Eric Marguin <eric.marguin@dokeos.com>
* @license GNU/GPL - See Dokeos license directory for details
*/
/**
* Defines the "OpenofficePresentation" child of class "OpenofficeDocument"
* @package dokeos.learnpath.OpenofficeDocument
*/
require_once('openoffice_document.class.php');
if (api_get_setting('search_enabled')=='true') {
require_once(api_get_path(LIBRARY_PATH).'search/DokeosIndexer.class.php');
require_once(api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php');
require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
}
class OpenofficePresentation extends OpenofficeDocument {
public $take_slide_name;
function OpenofficePresentation($take_slide_name=false, $course_code=null, $resource_id=null,$user_id=null) {
$this -> take_slide_name = $take_slide_name;
parent::OpenofficeDocument($course_code, $resource_id, $user_id);
}
function make_lp($files=array()) {
global $_course;
$previous = 0;
$i = 0;
if(!is_dir($this->base_work_dir.$this->created_dir))
return false;
foreach($files as $file){
list($slide_name,$file_name,$slide_body) = explode('||',$file); // '||' is used as separator between fields: slide name (with accents) || file name (without accents) || all slide text (to be indexed)
//filename is utf8 encoded, but when we decode, some chars are not translated (like quote ’).
//so we remove these chars by translating it in htmlentities and the reconvert it in want charset
$slide_name = api_htmlentities($slide_name,ENT_COMPAT,$this->original_charset);
$slide_name = str_replace('’','\'',$slide_name);
$slide_name = api_convert_encoding($slide_name, api_get_setting('platform_charset'), $this->original_charset);
$slide_name = api_html_entity_decode($slide_name, ENT_COMPAT, api_get_setting('platform_charset'));
if($this->take_slide_name === true)
{
$slide_name = str_replace('_',' ',$slide_name);
$slide_name = api_ucfirst($slide_name);
}
else
{
$slide_name = 'slide'.str_repeat('0',2-strlen($i)).$i;
}
$i++;
// add the png to documents
$document_id = add_document($_course,$this->created_dir.'/'.urlencode($file_name),'file',filesize($this->base_work_dir.$this->created_dir.'/'.$file_name),$slide_name);
api_item_property_update($_course,TOOL_DOCUMENT,$document_id,'DocumentAdded',api_get_user_id(),0,0,null,null,api_get_session_id());
// Generating the thumbnail
$image = $this->base_work_dir.$this->created_dir .'/'. $file_name;
$pattern = '/(\w+)\.png$/';
$replacement = '${1}_thumb.png';
$thumb_name = preg_replace($pattern, $replacement, $file_name);
// calculate thumbnail size
list($width, $height) = getimagesize($image);
$thumb_width = 300;
$thumb_height = floor( $height * ($thumb_width / $width ) );
// load
$thumb = imagecreatetruecolor($thumb_width, $thumb_height);
$source = imagecreatefrompng($image);
// resize
imagecopyresized($thumb, $source, 0, 0, 0, 0, $thumb_width, $thumb_height, $width, $height);
// output
imagepng($thumb, $this->base_work_dir.$this->created_dir .'/'. $thumb_name);
/*
// new resizing method usign imagemagick
$im = new Imagick( $image );
$im->thumbnailImage($thumb_width, $thumb_height);
//file_put_contents($this->base_work_dir.$this->created_dir .'/'. $thumb_name,$im);
$im->writeImage($this->base_work_dir.$this->created_dir .'/'. $thumb_name);
*/
// adding the thumbnail to documents
$document_id_thumb = add_document($_course, $this->created_dir.'/'.urlencode($thumb_name), 'file', filesize($this->base_work_dir.$this->created_dir.'/'.$thumb_name), $slide_name);
api_item_property_update($_course, TOOL_THUMBNAIL, $document_id_thumb,'DocumentAdded',api_get_user_id(),0,0);
// create an html file
$html_file = $file_name.'.html';
$fp = fopen($this->base_work_dir.$this->created_dir.'/'.$html_file, 'w+');
$slide_src = api_get_path(REL_COURSE_PATH).$_course['path'].'/document/'.$this->created_dir.'/'.utf8_encode($file_name);
$slide_src = str_replace('//', '/', $slide_src);
fwrite($fp,
'<html>
<head>
</head>
<body>
<img src="'.$slide_src.'" />
</body>
</html>'); // This indentation is to make the generated html files to look well.
fclose($fp);
$document_id = add_document($_course,$this->created_dir.'/'.urlencode($html_file),'file',filesize($this->base_work_dir.$this->created_dir.'/'.$html_file),$slide_name);
if ($document_id){
//put the document in item_property update
api_item_property_update($_course,TOOL_DOCUMENT,$document_id,'DocumentAdded',api_get_user_id(),0,0,null,null,api_get_session_id());
$previous = learnpath::add_item(0, $previous, 'document', $document_id, $slide_name, '');
if($this->first_item == 0){
$this->first_item = $previous;
}
}
// code for text indexing
if (api_get_setting('search_enabled')=='true') {
if (isset($_POST['index_document']) && $_POST['index_document']) {
//Display::display_normal_message(print_r($_POST));
$di = new DokeosIndexer();
isset($_POST['language'])? $lang=Database::escape_string($_POST['language']): $lang = 'english';
$di->connectDb(NULL, NULL, $lang);
$ic_slide = new IndexableChunk();
$ic_slide->addValue("title", $slide_name);
$specific_fields = get_specific_field_list();
$all_specific_terms = '';
foreach ($specific_fields as $specific_field) {
if (isset($_REQUEST[$specific_field['code']])) {
$sterms = trim($_REQUEST[$specific_field['code']]);
$all_specific_terms .= ' '. $sterms;
if (!empty($sterms)) {
$sterms = explode(',', $sterms);
foreach ($sterms as $sterm) {
$ic_slide->addTerm(trim($sterm), $specific_field['code']);
}
}
}
}
$slide_body = $all_specific_terms .' '. $slide_body;
$ic_slide->addValue("content", $slide_body);
/* FIXME: cidReq:lp_id:doc_id al indexar */
// add a comment to say terms separated by commas
$courseid=api_get_course_id();
$ic_slide->addCourseId($courseid);
$ic_slide->addToolId(TOOL_LEARNPATH);
$lp_id = $this->lp_id;
$xapian_data = array(
SE_COURSE_ID => $courseid,
SE_TOOL_ID => TOOL_LEARNPATH,
SE_DATA => array('lp_id' => $lp_id, 'lp_item'=> $previous, 'document_id' => $document_id),
SE_USER => (int)api_get_user_id(),
);
$ic_slide->xapian_data = serialize($xapian_data);
$di->addChunk($ic_slide);
//index and return search engine document id
$did = $di->index();
if ($did) {
// save it to db
$tbl_se_ref = Database::get_main_table(TABLE_MAIN_SEARCH_ENGINE_REF);
$sql = 'INSERT INTO %s (id, course_code, tool_id, ref_id_high_level, ref_id_second_level, search_did)
VALUES (NULL , \'%s\', \'%s\', %s, %s, %s)';
$sql = sprintf($sql, $tbl_se_ref, api_get_course_id(), TOOL_LEARNPATH, $lp_id, $previous, $did);
Database::query($sql);
}
}
}
}
}
function add_command_parameters(){
if(empty($this->slide_width) || empty($this->slide_height))
list($this->slide_width, $this->slide_height) = explode('x',api_get_setting('service_ppt2lp','size'));
return ' -w '.$this->slide_width.' -h '.$this->slide_height.' -d oogie "'.$this->base_work_dir.'/'.$this->file_path.'" "'.$this->base_work_dir.$this->created_dir.'.html"';
}
function set_slide_size($width,$height)
{
$this->slide_width = $width;
$this->slide_height = $height;
}
function add_docs_to_visio ($files=array()){
global $_course;
/* Add Files */
foreach($files as $file){
list($slide_name,$file_name) = explode('||',$file); // '||' is used as separator between slide name (with accents) and file name (without accents)
$slide_name = api_htmlentities($slide_name,ENT_COMPAT,$this->original_charset);
$slide_name = str_replace('’','\'',$slide_name);
$slide_name = api_convert_encoding($slide_name, api_get_setting('platform_charset'), $this->original_charset);
$slide_name = api_html_entity_decode($slide_name,ENT_COMPAT,api_get_setting('platform_charset'));
$did = add_document($_course, $this->created_dir.'/'.urlencode($file_name), 'file', filesize($this->base_work_dir.$this->created_dir.'/'.$file_name), $slide_name);
if ($did)
api_item_property_update($_course, TOOL_DOCUMENT, $did, 'DocumentAdded', $_SESSION['_uid'], 0, null,null,null,api_get_session_id());
}
}
}
?>