123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220 |
- <?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,__FILE__,__LINE__);
- }
- }
- }
- }
- }
- 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());
- }
- }
- }
- ?>
|