/**
  * Deletes a press image.
  * @param $settingName string setting key associated with the file
  * @param $locale string
  */
 function deleteImage($settingName, $locale = null)
 {
     $press =& Request::getPress();
     $settingsDao =& DAORegistry::getDAO('PressSettingsDAO');
     $setting = $settingsDao->getSetting($press->getId(), $settingName);
     import('classes.file.PublicFileManager');
     $fileManager = new PublicFileManager();
     if ($fileManager->removePressFile($press->getId(), $locale !== null ? $setting[$locale]['uploadName'] : $setting['uploadName'])) {
         $returner = $settingsDao->deleteSetting($press->getId(), $settingName, $locale);
         // Ensure page header is refreshed
         if ($returner) {
             $templateMgr =& TemplateManager::getManager();
             $templateMgr->assign(array('displayPageHeaderTitle' => $press->getPressPageHeaderTitle(), 'displayPageHeaderLogo' => $press->getPressPageHeaderLogo()));
         }
         return $returner;
     } else {
         return false;
     }
 }