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