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;
}