Called by the view builder to see if this style handler wants to interfere with the sorts. If so it should build; if it returns any non-TRUE value, normal sorting will NOT be added to the query.
Overrides StylePluginBase::buildSort
public function buildSort() {
$order = $this->request->query
->get('order');
if (!isset($order) && ($this->options['default'] == -1 || empty($this->view->field[$this->options['default']]))) {
return TRUE;
}
// If a sort we don't know anything about gets through, exit gracefully.
if (isset($order) && empty($this->view->field[$order])) {
return TRUE;
}
// Let the builder know whether or not we're overriding the default sorts.
return empty($this->options['override']);
}