Code Patterns

// Pass data via constructor and display in UI
public class DashboardPage extends InteractiveCustomUIPage<DashboardPage.EventData> {

    // Data passed via constructor
    private final int playersOnline;
    private final int questCount;
    private final String uptime;

    public static class EventData {
        public static final BuilderCodec<EventData> CODEC =
            BuilderCodec.builder(EventData.class, EventData::new).build();
    }

    public DashboardPage(
        @Nonnull PlayerRef playerRef,
        int playersOnline,
        int questCount,
        String uptime
    ) {
        super(playerRef, CustomPageLifetime.CanDismissOrCloseThroughInteraction, EventData.CODEC);
        this.playersOnline = playersOnline;
        this.questCount = questCount;
        this.uptime = uptime;
    }

    @Override
    public void build(
        @Nonnull Ref<EntityStore> ref,
        @Nonnull UICommandBuilder cmd,
        @Nonnull UIEventBuilder evt,
        @Nonnull Store<EntityStore> store
    ) {
        cmd.append("Pages/Dashboard.ui");

        // Set dynamic values using cmd.set()
        // Pattern: cmd.set("#ElementId.Property", stringValue)
        // IMPORTANT: Numbers must be converted with String.valueOf()
        cmd.set("#Stat1Value.Text", String.valueOf(playersOnline));
        cmd.set("#Stat2Value.Text", String.valueOf(questCount));
        cmd.set("#Stat3Value.Text", uptime);

        evt.addEventBinding(CustomUIEventBindingType.Activating, "#CloseButton");
    }

    @Override
    public void handleDataEvent(
        @Nonnull Ref<EntityStore> ref,
        @Nonnull Store<EntityStore> store,
        @Nonnull EventData data
    ) {
        Player player = store.getComponent(ref, Player.getComponentType());
        player.getPageManager().setPage(ref, store, Page.None);
    }
}

// Opening the page with data:
int players = server.getOnlinePlayers().size();
int quests = questManager.getActiveCount();
String uptime = formatUptime(System.currentTimeMillis() - startTime);

player.getPageManager().setPage(ref, store,
    new DashboardPage(playerRef, players, quests, uptime));