* @license GNU/GPL - See Doke
/**
* Defines the "OpenOfficeTextDocument" child of class "learnpath"
* @package dokeos.learnpath.openofficedocument
*/
require_once('openoffice_document.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');
$content = htmlentities($content,ENT_COMPAT,$this->original_charset);
$content = str_replace('’','\'',$content);
$content = mb_convert_encoding($content, $charset, $this->original_charset);
$content = str_replace($this->original_charset,$charset,$content);
$content = html_entity_decode($content);
// 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('
\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 .= "\r\n";
$header = preg_replace("||i", "\r\n$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)+]*)
|is",$content,$matches_temp);
//empty the fake chapters
$new_index = 0;
for ($i=0 ; $i$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);
$infos = pathinfo($this->filepath);
$slide_name = strip_tags(nl2br($item_title));
$slide_name = str_replace(array("\r\n", "\r", "\n"), "", $slide_name);
$slide_name = html_entity_decode($slide_name);
$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);
if ($document_id){
//put the document in item_property update
api_item_property_update($_course,TOOL_DOCUMENT,$document_id,'DocumentAdded',$_SESSION['_uid'],0,0);
$infos = pathinfo($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 = $previous;
}
}
}
}
/**
* Returns additional Java command parameters
* @return string The additional parameters to be used in the Java call
*/
function add_command_parameters(){
return ' -d woogie "'.$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'));
$content = preg_replace("|]*>|i","\\0\r\n",$content, -1,$count);
if($count < 1)
{
$content = '
'.$content;
}
$content = preg_replace('||i','
\\0',$content, -1, $count);
if($count < 1)
{
$content = $content.'
';
}
// add the headers
$content = $header.$content;
// resize all the picture to the max_width-10
preg_match_all("|
]*>|i",$content,$images);
foreach ($images[1] as $key => $image)
{
// check if the
base_work_dir.$this->created_dir.'/'.$image);
$new_width = $max_width-10;
if($img_width > $new_width)
{
$picture_resized = str_ireplace('
$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 (){
}
}
?>