### ESETEK ###

On Hold: The order is waiting for something, like a BACS payment.
Pending Payment: The order is waiting for the payment from an online payment gateway.
Processing: The order has been paid for and the admin is processing it.
Completed: The order has been shipped and completed.
Cancelled: The order has been cancelled by the customer or by the system for some reason.
Refunded: The order has been completely refunded. This is not used for partial refunds.
Failed: The order payment failed.

### functions.php fajlba ###

add_filter( 'wc_order_is_editable', 'wc_make_processing_orders_editable', 10, 2 );
function wc_make_processing_orders_editable( $is_editable, $order ) {
    if ( $order->get_status() == 'processing' ) {
        $is_editable = true;
    }

    return $is_editable;
}