public static function &get_instance()
{
// Create class instance if required
if (!isset(self::$instance)) {
self::$instance = new self();
}
// Return class instance
return self::$instance;
}
public function show_main()
{
// check permissions
if (!current_user_can('edit_posts')) {
wp_die(__('You do not have sufficient permissions to access this page.'));
}
// TODO: add check_admin_referer to improve security (see /wp-admin/edit.php)
// is there POST data an event was edited must be updated
// check for actions
if ($this->action) {
switch ($this->action) {
// actions showing edit view
case 'edit':
case 'added':
case 'modified':
$this->show_edit_view($this->action);
return;
// actions showing import view
// actions showing import view
case 'import':
require_once EL_PATH . 'admin/includes/admin-import.php';
EL_Admin_Import::get_instance()->show_import();
return;
// actions showing event list
// actions showing event list
case 'deleted':
// nothing to do
break;
}
}
// proceed with normal event list page
if (!isset($_GET['orderby'])) {
// set initial sorting
$_GET['orderby'] = 'date';
$_GET['order'] = 'asc';
}
$this->show_page_header($this->action);
echo $this->show_event_table();
echo '</div>';
}
