if (isset($_GET['delete_view'])) {
    if (!checkAccess(GangliaAcl::ALL_VIEWS, GangliaAcl::EDIT, $conf)) {
        $output = "You do not have access to edit views.";
    } else {
        if (!$viewList->viewExists($view_name)) {
            $output = "<strong>Alert:</strong> View with the name " . $view_name . " does not exist.";
        } else {
            $view_filename = viewFileName($view_name);
            if (pathinfo($view_filename, PATHINFO_DIRNAME) != $conf['views_dir']) {
                die('Invalid path detected');
            }
            if (unlink($view_filename) === FALSE) {
                $output = "<strong>Alert:</strong>" . " Can't remove file {$view_filename}." . " Perhaps permissions are wrong.";
            } else {
                $output = "View has been successfully removed.";
                $viewList->removeView($view_name);
            }
        }
    }
}
// delete_view
///////////////////////////////////////////////////////////////////////////////
// Add to view
///////////////////////////////////////////////////////////////////////////////
if (isset($_GET['add_to_view'])) {
    if (!checkAccess(GangliaAcl::ALL_VIEWS, GangliaAcl::EDIT, $conf)) {
        $output = "You do not have access to edit views.";
    } else {
        if (!$viewList->viewExists($view_name)) {
            $output = "<strong>Alert:</strong> View " . $view_name . " does not exist. This should not happen.";
        } else {