protected function renderContent()
{
$this->stage = self::STAGE_RENDER;
if (is_null($this->masterPage)) {
echo $this->render();
} else {
foreach ($this->getBodies() as $body) {
if ($body instanceof TContent) {
$this->masterPage->attachContent($body);
}
}
echo $this->masterPage->renderContent();
}
}
