public function all($entity)
{
parent::all($entity);
$this->filter = \DataFilter::source(new \App\Slider());
$this->filter->add('active', 'Active', 'select')->options(\App\Slider::lists("Active", "active")->all());
$this->filter->add('weight', 'Weight', 'text');
$this->filter->add('img_url', 'Image', 'text');
$this->filter->submit('search');
$this->filter->reset('reset');
$this->filter->build();
$this->grid = \DataGrid::source($this->filter);
$this->grid->add('active', 'Active', 'active');
$this->grid->add('weight', 'Weight', 'weight');
$this->grid->add('img_url', 'Image');
$this->addStylesToGrid();
return $this->returnView();
}