1. sfCommonFilter.class.php
  2. /**
 * sfCommonFilter automatically adds javascripts and stylesheets information in the sfResponse content.
 *
 * @package    symfony
 * @subpackage filter
 * @author     Fabien Potencier 
 * @version    SVN: $Id$
 */
  3. class sfCommonFilter extends sfFilter
  4. {
  5.   /**
  6.    * Executes this filter.
  7.    *
  8.    * @param sfFilterChain $filterChain A sfFilterChain instance
  9.    */
  10.   public function execute($filterChain)
  11.   {
  12.     // execute next filter
  13.     $filterChain->execute();
  15.     // execute this filter only once
  16.     $response = $this->context->getResponse();
  18.     // include javascripts and stylesheets
  19.     $content = $response->getContent();
  20.     if (false !== ($pos = strpos($content, '</head>')))
  21.     {
  22.       $this->context->getConfiguration()->loadHelpers(array('Tag', 'Asset'));
  23.       $html = '';
  24.       if (!sfConfig::get('symfony.asset.javascripts_included', false))
  25.       {
  26.         $html .= get_javascripts($response);
  27.       }
  28.       if (!sfConfig::get('symfony.asset.stylesheets_included', false))
  29.       {
  30.         $html .= get_stylesheets($response);
  31.       }
  33.       if ($html)
  34.       {
  35.         $response->setContent(substr($content, 0, $pos).$html.substr($content, $pos));
  36.       }
  37.     }
  39.     sfConfig::set('symfony.asset.javascripts_included', false);
  40.     sfConfig::set('symfony.asset.stylesheets_included', false);
  41.   }
  42. }
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