yupe\widgets\CustomGridView::renderSorter PHP Метод

    public function renderSorter()
    {
        if ($this->sorter) {
            $columns = ['' => Yii::t('YupeModule.yupe', '--sort by--')];
            foreach ($this->dataProvider->model->getAttributes() as $attribute => $value) {
                $columns[$attribute] = $this->dataProvider->model->getAttributeLabel($attribute);
            }
            $sorterName = sprintf('sorter-%s', $this->getId());
            Yii::app()->getClientScript()->registerScript($sorterName, <<<JS

\$('body').on('click', '#{$sorterName}', function(event){
    alert(\$(this).val());
    event.preventDefault();
        \$('#{$this->getId()}').yiiGridView('update',{

        });
});

JS
);
            return '<div class="pull-left">' . CHtml::dropDownList($sorterName, null, $columns, ['class' => 'form-control']) . '</div>';
        }
    }