haxe
@:build(haxe.ui.macros.ComponentMacros.build("assets/my-inventory.xml"))
class MyInventory extends VBox {
    public function new() {
        super();
    }
    
    @:bind(add, MouseEvent.CLICK)
    private function onAdd(e) {
        lv.dataSource.add({ itemName: "some item #" + Std.random(100) });
    }
    
    @:bind(lv, ItemEvent.COMPONENT_EVENT)
    private function onItemEvent(e:ItemEvent) {
        if (e.source.id == "dropButton") {
            var itemToRemove = lv.dataSource.get(e.itemIndex);
            lv.dataSource.remove(itemToRemove);
        } else if (e.source.id == "useButton") {
            Toolkit.messageBox("Use: " + lv.dataSource.get(e.itemIndex).itemName, "Use me!", MessageBoxType.TYPE_INFO);
        }
    }
}