/** * Return an instance of the template manager. * @param $request PKPRequest * @return TemplateManager the template manager object */ static function &getManager($request = null) { if (!isset($request)) { $request = Registry::get('request'); if (Config::getVar('debug', 'deprecation_warnings')) { trigger_error('Deprecated call without request object.'); } } assert(is_a($request, 'PKPRequest')); $instance =& Registry::get('templateManager', true, null); // Reference required if ($instance === null) { $instance = new TemplateManager($request); $themes = PluginRegistry::getPlugins('themes'); if (is_null($themes)) { $themes = PluginRegistry::loadCategory('themes', true); } $instance->initialize(); } return $instance; }