controllers/tab/settings/siteSetup/form/NewSiteCssFileForm.inc.php

<?php

import('controllers.tab.settings.form.SettingsFileUploadForm');

class NewSiteCssFileForm extends SettingsFileUploadForm {

   function NewSiteCssFileForm($cssSettingName) {
      parent::SettingsFileUploadForm();
      $this->setFileSettingName($cssSettingName);
   }


   //
   // Extend methods from SettingsFileUploadForm.
   //
   function fetch(&$request) {
      $params = array('fileType' => 'css');
      return parent::fetch($request, $params);
   }


   //
   // Extend methods from Form.
   //
   function execute(&$request) {
      $temporaryFile = $this->fetchTemporaryFile($request);

      import('classes.file.PublicFileManager');
      $publicFileManager = new PublicFileManager();

      if (is_a($temporaryFile, 'TemporaryFile')) {
         $type = $temporaryFile->getFileType();
         if ($type != 'text/plain' && $type != 'text/css') {
            return false;
         }

         $settingName = $this->getFileSettingName();
         $site = $request->getSite();
         $uploadName = $site->getSiteStyleFilename();
         if($publicFileManager->copyFile($temporaryFile->getFilePath(), $publicFileManager->getSiteFilesPath() . '/' . $uploadName)) {
            $siteDao =& DAORegistry::getDAO('SiteDAO');
            $site->setOriginalStyleFilename($temporaryFile->getOriginalFileName());
            $siteDao->updateObject($site);

            // Clean up the temporary file
            $this->removeTemporaryFile($request);

            return true;
         }
      }
      return false;
   }
}

?>