protected function compile()
 {
     if (\Input::get('isAjax') == '1') {
         return;
     }
     $objFilter = new Articlefilter($this->getRootIdFromUrl(), $this->imgSize);
     $objFilter->selectedFilter = \Input::get('articlefilter_filter');
     $objFilter->afstype = \Input::get('afstype');
     $objFilter->sorting = $this->articlefilter_sorting;
     $objFilter->showAll = true;
     $objFilter->run();
     /* search articles matching filter */
     if ($objFilter->resultCount > 0) {
         $resultCount = $objFilter->resultCount;
         $results = $objFilter->results;
         if ($this->perPage > 0 && $resultCount > $this->perPage) {
             $objPagination = new \Pagination($resultCount, $this->perPage);
             $this->Template->pagination = $objPagination->generate();
             $page = \Input::get('page');
             if ($page == '' || $page < 1) {
                 $page = 1;
             }
             $offset = ($page - 1) * $this->perPage;
             $results = array_slice($results, $offset, $this->perPage);
         }
         $this->Template->resultCount = $resultCount;
         $this->Template->results = $results;
         $this->Template->showFilter = $this->articlefilter_showfilter;
         $this->Template->selectedFilter = $objFilter->searchStrings;
         $this->Template->selectedFilterHeadline = sprintf($GLOBALS['TL_LANG']['articlefilter']['selectedFilterHeadline'], $resultCount);
     } else {
         $this->Template->no_filter = true;
     }
 }
 public function generate()
 {
     if (TL_MODE == 'BE') {
         $objTemplate = new \BackendTemplate('be_wildcard');
         $objTemplate->wildcard = '### Article Filter - Form ###';
         return $objTemplate->parse();
     }
     /* ajax queries */
     if (\Input::get('isAjax') == '1') {
         $filter = \Input::get('articlefilter_filter');
         $objFilter = new Articlefilter($this->getRootIdFromUrl());
         $objFilter->selectedFilter = $filter;
         $objFilter->afstype = \Input::get('afstype');
         $objFilter->run();
         print json_encode(array('resultCount' => $objFilter->resultCount));
         exit;
     }
     return parent::generate();
 }