/**
  * import style sheet
  */
 function importStyleObject()
 {
     // check file
     $source = $_FILES["stylefile"]["tmp_name"];
     if ($source == 'none' || !$source) {
         $this->ilias->raiseError("No file selected!", $this->ilias->error_obj->MESSAGE);
     }
     // check correct file type
     $info = pathinfo($_FILES["stylefile"]["name"]);
     if (strtolower($info["extension"]) != "zip" && strtolower($info["extension"]) != "xml") {
         $this->ilias->raiseError("File must be a zip or xml file!", $this->ilias->error_obj->MESSAGE);
     }
     $class_name = "ilObjStyleSheet";
     require_once "./Services/Style/classes/class.ilObjStyleSheet.php";
     $newObj = new ilObjStyleSheet();
     //$newObj->setTitle();
     //$newObj->setDescription($_POST["style_description"]);
     $newObj->import($_FILES["stylefile"]);
     //$newObj->createFromXMLFile($_FILES["stylefile"]["tmp_name"]);
     // assign style to style sheet folder,
     // if parent is style sheet folder
     if ($_GET["ref_id"] > 0) {
         $fold =& ilObjectFactory::getInstanceByRefId($_GET["ref_id"]);
         if ($fold->getType() == "stys") {
             $fold->addStyle($newObj->getId());
             $fold->update();
             ilObjStyleSheet::_writeStandard($newObj->getId(), "1");
             $this->ctrl->redirectByClass("ilobjstylesettingsgui", "editContentStyles");
         }
     }
     return $newObj->getId();
 }