| protected addAttributesToRender ( $writer ) |
protected function addAttributesToRender($writer)
{
parent::addAttributesToRender($writer);
$writer->addAttribute('id', $this->getClientID());
if ($this->getCssClass() === '') {
$class = $this->getDirection() == TSliderDirection::Horizontal ? 'HorizontalSlider' : 'VerticalSlider';
$writer->addAttribute('class', 'Slider ' . $class);
}
}