/**
* Renders the form buttons
*/
protected function renderButtons()
{
echo TbHtml::submitButton(Yii::t('FilterForm', 'Apply filter'), array('color' => TbHtml::BUTTON_COLOR_PRIMARY));
$controller = Yii::app()->controller;
// Disable when no filter is defined
echo TbHtml::linkButton(Yii::t('FilterForm', 'Clear filter'), array('color' => TbHtml::BUTTON_COLOR_INFO, 'disabled' => $this->model->isEmpty(), 'url' => $controller->createUrl($controller->route)));
}