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- <?php //$id:$
- /**
- * Defines the OpenOfficeDocument class, which is meant as a conversion
- * tool from Office text documents (.doc, .sxw, .odt, .docx) to
- * learning paths
- * @package dokeos.learnpath
- * @author Eric Marguin <eric.marguin@dokeos.com>
- * @license GNU/GPL - See Doke
- /**
- * Defines the "OpenOfficeTextDocument" child of class "learnpath"
- * @package dokeos.learnpath.openofficedocument
- */
- require_once('openoffice_document.class.php');
- require_once(api_get_path(LIBRARY_PATH) . 'specific_fields_manager.lib.php');
- require_once(api_get_path(LIBRARY_PATH).'search/DokeosIndexer.class.php');
- require_once(api_get_path(LIBRARY_PATH).'search/IndexableChunk.class.php');
- class OpenOfficeTextDocument extends OpenofficeDocument {
- public $split_steps;
- /**
- * Class constructor. Calls the parent class and initialises the local attribute split_steps
- * @param boolean Whether to split steps (true) or make one large page (false)
- * @param string Course code
- * @param integer Resource ID
- * @param integer Creator user id
- * @return void
- */
- function OpenofficeTextDocument($split_steps=false, $course_code=null, $resource_id=null,$user_id=null)
- {
- $this -> split_steps = $split_steps;
- parent::OpenofficeDocument($course_code, $resource_id, $user_id);
- }
- /**
- * Gets html pages and compose them into a learning path
- * @param array The files that will compose the generated learning path. Unused so far.
- * @return boolean False if file does not exit. Nothing otherwise.
- */
- function make_lp($files=array())
- {
- global $_course;
- // we get a content where ||page_break|| indicates where the page is broken
- if(!file_exists($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html')){return false;}
- $content = file_get_contents($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html');
- unlink($this->base_work_dir.'/'.$this->file_path);
- unlink($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html');
- // the file is utf8 encoded and it seems to make problems with special quotes.
- // then we htmlentities that, we replace these quotes and html_entity_decode that in good charset
- $charset = api_get_setting('platform_charset');
- $content = api_htmlentities($content,ENT_COMPAT,$this->original_charset);
- $content = str_replace('’','\'',$content);
- $content = api_convert_encoding($content, $charset, $this->original_charset);
- $content = str_replace($this->original_charset,$charset,$content);
- $content = api_html_entity_decode($content, ENT_COMPAT, $charset);
- // set the path to pictures to absolute (so that it can be modified in fckeditor)
- $content = preg_replace("|src=\"([^\"]*)|i", "src=\"".api_get_path(REL_COURSE_PATH).$_course['path'].'/document'.$this->created_dir."/\\1", $content);
- list($header, $body) = explode('<BODY',$content);
- $body = '<BODY'.$body;
- // remove font-family styles
- $header = preg_replace("|font\-family[^;]*;|i", "",$header);
- // dokeos styles
- $my_style = api_get_setting('stylesheets');
- if(empty($my_style)){$my_style = 'dokeos_classic';}
- $style_to_import = "<style type=\"text/css\">\r\n";
- $style_to_import .= '@import "'.api_get_path(WEB_CODE_PATH).'css/'.$my_style.'/default.css";'."\n";
- $style_to_import .= '@import "'.api_get_path(WEB_CODE_PATH).'css/'.$my_style.'/course.css";'."\n";
- $style_to_import .= "</style>\r\n";
- $header = preg_replace("|</head>|i", "\r\n$style_to_import\r\n\\0",$header);
- // line break before and after picture
- $header = str_replace('p {','p {clear:both;',$header);
- $header = str_replace('absolute','relative',$header);
- switch($this->split_steps)
- {
- case 'per_page' : $this -> dealPerPage($header,$body); break;
- case 'per_chapter' : $this -> dealPerChapter($header,$body); break;
- }
- }
- /**
- * Manages chapter splitting
- * @param string Chapter header
- * @param string Content
- * @return void
- */
- function dealPerChapter($header, $content)
- {
- global $_course;
- $content = str_replace('||page_break||','',$content);
- // get all the h1
- preg_match_all("|<h1[^>]*>([^(h1)+]*)</h1>|is",$content,$matches_temp);
- //empty the fake chapters
- $new_index = 0;
- for ($i=0 ; $i<count($matches_temp[0]) ; $i++) {
- if(trim($matches_temp[1][$i])!=='')
- {
- $matches[0][$new_index] = $matches_temp[0][$i];
- $matches[1][$new_index] = $matches_temp[1][$i];
- $new_index++;
- }
- }
- // add intro item
- $intro_content = api_substr($content, 0, api_strpos($content, $matches[0][0]));
- $items_to_create[get_lang('Introduction')] = $intro_content;
- for ($i=0 ; $i<count($matches[0]) ; $i++) {
- if(empty($matches[1][$i]))
- continue;
- $content = api_strstr($content, $matches[0][$i]);
- if($i+1!==count($matches[0]))
- {
- $chapter_content = api_substr($content, 0, api_strpos($content, $matches[0][$i+1]));
- }
- else
- {
- $chapter_content = $content;
- }
- $items_to_create[$matches[1][$i]] = $chapter_content;
- }
- $i = 0;
- foreach($items_to_create as $item_title=>$item_content)
- {
- $i++;
- $page_content = $this->format_page_content($header, $item_content);
- $html_file = $this->created_dir.'-'.$i.'.html';
- $handle = fopen($this->base_work_dir.$this->created_dir.'/'.$html_file,'w+');
- fwrite($handle, $page_content);
- fclose($handle);
- $document_id = add_document($_course,$this->created_dir.'/'.$html_file,'file',filesize($this->base_work_dir.$this->created_dir.'/'.$html_file),$html_file);
- if ($document_id){
- //put the document in item_property update
- api_item_property_update($_course,TOOL_DOCUMENT,$document_id,'DocumentAdded',$_SESSION['_uid'],0,0,null,null,api_get_session_id());
- $infos = pathinfo($this->filepath);
- $slide_name = strip_tags(nl2br($item_title));
- $slide_name = str_replace(array("\r\n", "\r", "\n"), "", $slide_name);
- $slide_name = api_html_entity_decode($slide_name, ENT_COMPAT, api_get_system_encoding());
- $previous = learnpath::add_item(0, $previous, 'document', $document_id, $slide_name, '');
- if($this->first_item == 0){
- $this->first_item = $previous;
- }
- }
- }
- }
- /**
- * Manages page splitting
- * @param string Page header
- * @param string Page body
- * @return void
- */
- function dealPerPage($header,$body)
- {
- global $_course;
- // split document to pages
- $pages = explode('||page_break||',$body);
- $first_item = 0;
- foreach($pages as $key=>$page_content)
- { // for every pages, we create a new file
- $key +=1;
- $page_content = $this->format_page_content($header, $page_content, $this->base_work_dir.$this->created_dir);
- $html_file = $this->created_dir.'-'.$key.'.html';
- $handle = fopen($this->base_work_dir.$this->created_dir.'/'.$html_file,'w+');
- fwrite($handle, $page_content);
- fclose($handle);
- $document_id = add_document($_course,$this->created_dir.$html_file,'file',filesize($this->base_work_dir.$this->created_dir.$html_file),$html_file);
- $slide_name = '';
- if ($document_id){
- //put the document in item_property update
- api_item_property_update($_course,TOOL_DOCUMENT,$document_id,'DocumentAdded',$_SESSION['_uid'],0,0,null,null,api_get_session_id());
- $infos = pathinfo($this->filepath);
- $slide_name = 'Page '.str_repeat('0',2-strlen($key)).$key;
- $previous = learnpath::add_item(0, $previous, 'document', $document_id, $slide_name, '');
- if($this->first_item == 0){
- $this->first_item = $previous;
- }
- // code for text indexing
- if (isset($_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']);
- }
- }
- }
- }
- $page_content = $all_specific_terms .' '. $page_content;
- $ic_slide->addValue("content", $page_content);
- // 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__);
- }
- }
- }
- }
- }
- /**
- * Returns additional Java command parameters
- * @return string The additional parameters to be used in the Java call
- */
- function add_command_parameters(){
- return ' -d woogie "'.$this->base_work_dir.'/'.$this->file_path.'" "'.$this->base_work_dir.$this->created_dir.'/'.$this->file_name.'.html"';
- }
- /**
- * Formats a page content by reorganising the HTML code a little
- * @param string Page header
- * @param string Page content
- * @return string Formatted page content
- */
- function format_page_content($header, $content)
- {
- // limit the width of the doc
- list($max_width, $max_height) = explode('x',api_get_setting('service_ppt2lp','size'));
- $content = preg_replace("|<body[^>]*>|i","\\0\r\n<div style=\"width:".$max_width."\">",$content, -1,$count);
- if($count < 1)
- {
- $content = '<body><div style="width:'.$max_width.'">'.$content;
- }
- $content = preg_replace('|</body>|i','</div>\\0',$content, -1, $count);
- if($count < 1)
- {
- $content = $content.'</div></body>';
- }
- // add the headers
- $content = $header.$content;
- // resize all the picture to the max_width-10
- preg_match_all("|<img[^src]*src=\"([^\"]*)\"[^>]*>|i",$content,$images);
- foreach ($images[1] as $key => $image)
- {
- // check if the <img tag soon has a width attribute
- $defined_width = preg_match("|width=([^\s]*)|i",$images[0][$key], $img_width);
- $img_width = $img_width[1];
- if(!$defined_width)
- {
- list($img_width, $img_height, $type) = api_getimagesize($this->base_work_dir.$this->created_dir.'/'.$image);
- $new_width = $max_width-10;
- if($img_width > $new_width)
- {
- $picture_resized = str_ireplace('<img','<img width="'.$new_width.'" ',$images[0][$key]);
- $content = str_replace($images[0][$key],$picture_resized,$content);
- }
- }
- else if($img_width > $max_width-10)
- {
- $picture_resized = str_ireplace('width='.$img_width,'width="'.($max_width-10).'"',$images[0][$key]);
- $content = str_replace($images[0][$key],$picture_resized,$content);
- }
- }
- return $content;
- }
- /**
- * Add documents to the visioconference (to be implemented)
- */
- function add_docs_to_visio (){
- }
- }
- ?>
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