/**
* Initializes grid grouping
*
* @return void
*/
protected function initGrouping()
{
if (empty($this->group)) {
return;
}
$view = $this->grid->getView();
$this->_columnKey = $this->getColumnKey();
Html::addCssClass($this->headerOptions, 'kv-grid-group-header');
Html::addCssClass($this->filterOptions, 'kv-grid-group-filter');
$this->headerOptions['data-group-key'] = $this->filterOptions['data-group-key'] = $this->_columnKey;
GridGroupAsset::register($view);
$id = $this->grid->options['id'];
$this->_clientScript = "kvGridGroup('{$id}');";
$view->registerJs($this->_clientScript);
}
