/**
* Overloaded Function From Filter
*
* Calls the parent function and then adds the new site element to the form.
* @param Viewer $viewer the current viewer that's being used
* @return void
*/
function grab_fields($viewer)
{
parent::grab_fields($viewer);
$sites = $this->get_sites_with_available_associations();
$this->add_element('search_site', 'select', array('options' => $sites));
$this->set_display_name('search_site', 'site');
$this->add_element('search_exact_site', 'hidden');
if (!empty($this->page->request['search_site'])) {
$this->set_value('search_site', $this->page->request['search_site']);
}
}
