public function run()
{
if ($this->showOnEmpty || $this->dataProvider->getCount() > 0) {
$content = preg_replace_callback("/{\\w+}/", function ($matches) {
$content = $this->renderSection($matches[0]);
return $content === false ? $matches[0] : $content;
}, $this->layout);
} else {
$content = $this->renderEmpty();
}
$options = $this->options;
$tag = ArrayHelper::remove($options, 'tag', 'div');
echo Html::tag($tag, $content, $options);
}