private void hideShowBehaviour(Node node){
        node.visibleProperty().bind(enabled);
        node.managedProperty().bind(enabled);
        node.disableProperty().bind(Bindings.not(enabled));
    }
Removes any empty substrings and makes sure the entire string is either
{@code null} or non-empty.

@return  the formatted string
plugin-parent/enum-generator/src/main/java/com/speedment/plugins/enums/internal/ui/AddRemoveStringItem.java