public function all($entity)
{
parent::all($entity);
$this->filter = \DataFilter::source(Admin::with('roles'));
$this->filter->add('id', 'ID', 'text');
$this->filter->add('firstname', 'First name', 'text');
$this->filter->add('last_name', 'Last Name', 'text');
$this->filter->add('email', 'Email', 'text');
$this->filter->submit('search');
$this->filter->reset('reset');
$this->filter->build();
$this->grid = \DataGrid::source($this->filter);
$this->grid->add('id', 'ID', true)->style("width:100px");
$this->grid->add('{{ $first_name }} {{ $last_name}}', 'first name');
$this->grid->add('email', 'Email');
$this->grid->add('{{ implode(", ", $roles->pluck("name")->all()) }}', 'Role');
$this->addStylesToGrid();
return $this->returnView();
}
