Cristian Fasanando
17 years ago
parent
d6399a96e1
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<?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 text documents (.doc, .sxw, .odt, .docx) 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 Doke |
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/** |
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* Defines the "OpenofficeText" child of class "learnpath" |
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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) . 'specific_fields_manager.lib.php'); |
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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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} |
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class OpenofficeText extends OpenofficeDocument { |
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public $split_steps; |
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/** |
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* Class constructor. Calls the parent class and initialises the local attribute split_steps |
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* @param boolean Whether to split steps (true) or make one large page (false) |
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* @param string Course code |
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* @param integer Resource ID |
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* @param integer Creator user id |
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* @return void |
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*/ |
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function OpenofficeText($split_steps=false, $course_code=null, $resource_id=null,$user_id=null) |
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{ |
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$this -> split_steps = $split_steps; |
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parent::OpenofficeDocument($course_code, $resource_id, $user_id); |
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} |
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/** |
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* Gets html pages and compose them into a learning path |
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* @param array The files that will compose the generated learning path. Unused so far. |
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* @return boolean False if file does not exit. Nothing otherwise. |
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*/ |
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function make_lp($files=array()) |
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{ |
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global $_course; |
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// we get a content where ||page_break|| indicates where the page is broken |
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if(!file_exists($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html')){return false;} |
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$content = file_get_contents($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html'); |
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unlink($this->base_work_dir.'/'.$this->file_path); |
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unlink($this->base_work_dir.'/'.$this->created_dir.'/'.$this->file_name.'.html'); |
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// the file is utf8 encoded and it seems to make problems with special quotes. |
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// then we htmlentities that, we replace these quotes and html_entity_decode that in good charset |
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$charset = api_get_setting('platform_charset'); |
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$content = htmlentities($content,ENT_COMPAT,$this->original_charset); |
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$content = str_replace('’','\'',$content); |
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$content = mb_convert_encoding($content, $charset, $this->original_charset); |
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$content = str_replace($this->original_charset,$charset,$content); |
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$content = html_entity_decode($content); |
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// set the path to pictures to absolute (so that it can be modified in fckeditor) |
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$content = preg_replace("|src=\"([^\"]*)|i", "src=\"".api_get_path(REL_COURSE_PATH).$_course['path'].'/document'.$this->created_dir."/\\1", $content); |
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list($header, $body) = explode('<BODY',$content); |
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$body = '<BODY'.$body; |
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// remove font-family styles |
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$header = preg_replace("|font\-family[^;]*;|i", "",$header); |
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// dokeos styles |
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$my_style = api_get_setting('stylesheets'); |
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if(empty($my_style)){$my_style = 'dokeos_classic';} |
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$style_to_import = "<style type=\"text/css\">\r\n"; |
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$style_to_import .= '@import "'.api_get_path(WEB_CODE_PATH).'css/'.$my_style.'/default.css";'."\n"; |
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$style_to_import .= '@import "'.api_get_path(WEB_CODE_PATH).'css/'.$my_style.'/course.css";'."\n"; |
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$style_to_import .= "</style>\r\n"; |
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$header = preg_replace("|</head>|i", "\r\n$style_to_import\r\n\\0",$header); |
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// line break before and after picture |
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$header = str_replace('p {','p {clear:both;',$header); |
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$header = str_replace('absolute','relative',$header); |
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switch($this->split_steps) |
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{ |
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case 'per_page' : $this -> dealPerPage($header,$body); break; |
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case 'per_chapter' : $this -> dealPerChapter($header,$body); break; |
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} |
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} |
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/** |
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* Manages chapter splitting |
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* @param string Chapter header |
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* @param string Content |
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* @return void |
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*/ |
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function dealPerChapter($header, $content) |
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{ |
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global $_course; |
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$content = str_replace('||page_break||','',$content); |
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// get all the h1 |
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preg_match_all("|<h1[^>]*>([^(h1)+]*)</h1>|is",$content,$matches_temp); |
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//empty the fake chapters |
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$new_index = 0; |
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for ($i=0 ; $i<count($matches_temp[0]) ; $i++) { |
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if(trim($matches_temp[1][$i])!=='') |
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{ |
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$matches[0][$new_index] = $matches_temp[0][$i]; |
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$matches[1][$new_index] = $matches_temp[1][$i]; |
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$new_index++; |
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} |
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} |
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// add intro item |
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$intro_content = substr($content, 0, strpos($content, $matches[0][0])); |
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$items_to_create[get_lang('Introduction')] = $intro_content; |
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for ($i=0 ; $i<count($matches[0]) ; $i++) { |
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if(empty($matches[1][$i])) |
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continue; |
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$content = strstr($content,$matches[0][$i]); |
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if($i+1!==count($matches[0])) |
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{ |
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$chapter_content = substr($content, 0, strpos($content, $matches[0][$i+1])); |
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} |
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else |
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{ |
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$chapter_content = $content; |
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} |
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$items_to_create[$matches[1][$i]] = $chapter_content; |
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} |
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$i = 0; |
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foreach($items_to_create as $item_title=>$item_content) |
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{ |
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$i++; |
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$page_content = $this->format_page_content($header, $item_content); |
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$html_file = $this->created_dir.'-'.$i.'.html'; |
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$handle = fopen($this->base_work_dir.$this->created_dir.'/'.$html_file,'w+'); |
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fwrite($handle, $page_content); |
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fclose($handle); |
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$document_id = add_document($_course,$this->created_dir.'/'.$html_file,'file',filesize($this->base_work_dir.$this->created_dir.'/'.$html_file),$html_file); |
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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,$document_id,'DocumentAdded',$_SESSION['_uid'],0,0); |
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$infos = pathinfo($this->filepath); |
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$slide_name = strip_tags(nl2br($item_title)); |
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$slide_name = str_replace(array("\r\n", "\r", "\n"), "", $slide_name); |
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$slide_name = html_entity_decode($slide_name); |
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$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 = $previous; |
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} |
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} |
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} |
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} |
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/** |
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* Manages page splitting |
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* @param string Page header |
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* @param string Page body |
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* @return void |
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*/ |
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function dealPerPage($header,$body) |
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{ |
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global $_course; |
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// split document to pages |
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$pages = explode('||page_break||',$body); |
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$first_item = 0; |
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foreach($pages as $key=>$page_content) |
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{ // for every pages, we create a new file |
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$key +=1; |
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$page_content = $this->format_page_content($header, $page_content, $this->base_work_dir.$this->created_dir); |
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$html_file = $this->created_dir.'-'.$key.'.html'; |
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$handle = fopen($this->base_work_dir.$this->created_dir.'/'.$html_file,'w+'); |
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fwrite($handle, $page_content); |
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fclose($handle); |
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$document_id = add_document($_course,$this->created_dir.$html_file,'file',filesize($this->base_work_dir.$this->created_dir.$html_file),$html_file); |
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$slide_name = ''; |
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if ($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',$_SESSION['_uid'],0,0); |
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$infos = pathinfo($this->filepath); |
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$slide_name = 'Page '.str_repeat('0',2-strlen($key)).$key; |
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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 = $previous; |
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} |
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// code for text indexing |
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if (api_get_setting('search_enabled')=='true') { |
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if (isset($_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), $specific_field['code']); |
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} |
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} |
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} |
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} |
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$page_content = $all_specific_terms .' '. $page_content; |
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$ic_slide->addValue("content", $page_content); |
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// add a comment to say terms separated by commas |
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$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, $did); |
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api_sql_query($sql,__FILE__,__LINE__); |
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} |
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} |
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} |
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} |
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} |
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} |
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/** |
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* Returns additional Java command parameters |
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* @return string The additional parameters to be used in the Java call |
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*/ |
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function add_command_parameters(){ |
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return ' -d woogie "'.$this->base_work_dir.'/'.$this->file_path.'" "'.$this->base_work_dir.$this->created_dir.'/'.$this->file_name.'.html"'; |
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} |
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/** |
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* Formats a page content by reorganising the HTML code a little |
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* @param string Page header |
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* @param string Page content |
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* @return string Formatted page content |
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*/ |
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function format_page_content($header, $content) |
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{ |
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// limit the width of the doc |
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list($max_width, $max_height) = explode('x',api_get_setting('service_ppt2lp','size')); |
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$content = preg_replace("|<body[^>]*>|i","\\0\r\n<div style=\"width:".$max_width."\">",$content, -1,$count); |
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if($count < 1) |
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{ |
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$content = '<body><div style="width:'.$max_width.'">'.$content; |
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} |
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$content = preg_replace('|</body>|i','</div>\\0',$content, -1, $count); |
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if($count < 1) |
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{ |
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$content = $content.'</div></body>'; |
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} |
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// add the headers |
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$content = $header.$content; |
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// resize all the picture to the max_width-10 |
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preg_match_all("|<img[^src]*src=\"([^\"]*)\"[^>]*>|i",$content,$images); |
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foreach ($images[1] as $key => $image) |
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{ |
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// check if the <img tag soon has a width attribute |
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$defined_width = preg_match("|width=([^\s]*)|i",$images[0][$key], $img_width); |
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$img_width = $img_width[1]; |
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if(!$defined_width) |
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{ |
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list($img_width, $img_height, $type) = getimagesize($this->base_work_dir.$this->created_dir.'/'.$image); |
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$new_width = $max_width-10; |
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if($img_width > $new_width) |
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{ |
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$picture_resized = str_ireplace('<img','<img width="'.$new_width.'" ',$images[0][$key]); |
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$content = str_replace($images[0][$key],$picture_resized,$content); |
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} |
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} |
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else if($img_width > $max_width-10) |
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{ |
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$picture_resized = str_ireplace('width='.$img_width,'width="'.($max_width-10).'"',$images[0][$key]); |
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$content = str_replace($images[0][$key],$picture_resized,$content); |
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} |
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} |
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return $content; |
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} |
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/** |
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* Add documents to the visioconference (to be implemented) |
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*/ |
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function add_docs_to_visio (){ |
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} |
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} |
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?> |
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