public static function &get_instance()
{
// Create class instance if required
if (!isset(self::$instance)) {
self::$instance = new EL_Filterbar();
}
// Return class instance
return self::$instance;
}
public function __construct()
{
$this->db =& EL_Db::get_instance();
$this->categories =& EL_Categories::get_instance();
$this->filterbar =& EL_Filterbar::get_instance();
$this->set_args();
global $status, $page;
//Set parent defaults
parent::__construct(array('singular' => 'event', 'plural' => 'events', 'ajax' => false));
}
private function __construct()
{
$this->db =& EL_Db::get_instance();
$this->filterbar =& EL_Filterbar::get_instance();
$this->event_table = new EL_Event_Table();
$this->action = $this->event_table->current_action();
// check for real actions
if ($this->action) {
switch ($this->action) {
// real actions (redirect when finished)
case 'new':
if (!empty($_POST)) {
$id = $this->update_event($_POST);
$error = !$id;
$this->redirect('added', $error, array('title' => urlencode($_POST['title']), 'id' => $id));
}
case 'edited':
if (!empty($_POST)) {
$error = !$this->update_event($_POST);
$this->redirect('modified', $error, array('title' => urlencode($_POST['title']), 'id' => $_POST['id']));
}
break;
case 'delete':
if (isset($_GET['id'])) {
$error = !$this->db->delete_events(explode(',', $_GET['id']));
$this->redirect('deleted', $error, array('id' => $_GET['id']));
}
break;
// proceed with header if a bulk action was triggered (required due to "noheader" attribute for all action above)
// proceed with header if a bulk action was triggered (required due to "noheader" attribute for all action above)
case 'delete_bulk':
require_once ABSPATH . 'wp-admin/admin-header.php';
}
}
// cleanup query args when filter button was pressed
if (isset($_GET['filter'])) {
$this->redirect();
}
}
private function html_filterbar(&$a)
{
if (!$this->is_visible($a['show_filterbar'])) {
return '';
}
require_once EL_PATH . 'includes/filterbar.php';
$filterbar = EL_Filterbar::get_instance();
return $filterbar->show($this->get_url($a), $a);
}