tbd-station-14/Content.Client/AirlockPainter/UI/AirlockPainterBoundUserInterface.cs

using Content.Shared.AirlockPainter;
using Robust.Client.GameObjects;
using Robust.Client.UserInterface.Controls;

namespace Content.Client.AirlockPainter.UI
{
    public sealed class AirlockPainterBoundUserInterface : BoundUserInterface
    {
        [ViewVariables]
        private AirlockPainterWindow? _window;

        [ViewVariables]
        private AirlockPainterSystem? _painter;

        public AirlockPainterBoundUserInterface(EntityUid owner, Enum uiKey) : base(owner, uiKey)
        {
        }

        protected override void Open()
        {
            base.Open();

            _window = new AirlockPainterWindow();

            _painter = EntMan.System<AirlockPainterSystem>();

            _window.OpenCentered();
            _window.OnClose += Close;
            _window.OnSpritePicked = OnSpritePicked;
        }

        protected override void UpdateState(BoundUserInterfaceState state)
        {
            base.UpdateState(state);

            if (_window == null)
                return;

            if (_painter == null)
                return;

            if (state is not AirlockPainterBoundUserInterfaceState stateCast)
                return;

            _window.Populate(_painter.Entries, stateCast.SelectedStyle);
        }

        private void OnSpritePicked(ItemList.ItemListSelectedEventArgs args)
        {
            SendMessage(new AirlockPainterSpritePickedMessage(args.ItemIndex));
        }
    }
}