public function save($editor)
	{
		$this->load();

		// Check whether editor is already loaded
		if (is_null($this->editor))
		{
			return;
		}

		$return = '';
		$results[] = $this->editor->onSave($editor);

		foreach ($results as $result)
		{
			if (trim($result))
			{
				$return .= $result;
			}
		}

		return $return;
	}