riversong code showcase

Source/Riversong/Game/UI/Framework/UIControllerSystem.cs

@@ -0,0 +1,54 @@
+using Cysharp.Threading.Tasks;
+using UnityEngine.UIElements;
+
+namespace DanieleMarotta.RiversongCodeShowcase
+{
+    [GameSystemGroup(typeof(UISystemGroup))]
+    [InitializeAfter(typeof(UIInitializationSystem))]
+    public abstract class UIControllerSystem : GameSystem, IInitializable
+    {
+        protected UIControllerSystem(IServiceLocator serviceLocator) : base(serviceLocator)
+        {
+        }
+
+        [field: InjectService] protected UIService UIService { get; }
+
+        protected IUIRoot UIRoot => UIService.UIRoot;
+
+        public virtual UniTask InitializeAsync()
+        {
+            return UniTask.CompletedTask;
+        }
+    }
+
+    [GameSystemGroup(typeof(UISystemGroup))]
+    [InitializeAfter(typeof(UIInitializationSystem))]
+    public abstract class UIControllerSystem<T> : UIControllerSystem where T : UIView
+    {
+        private Button _closeButton;
+
+        protected UIControllerSystem(IServiceLocator serviceLocator) : base(serviceLocator)
+        {
+        }
+
+        protected abstract T View { get; }
+
+        public override async UniTask InitializeAsync()
+        {
+            await base.InitializeAsync();
+
+            _closeButton = View.RootElement.Q<Button>(className: "close-button");
+            _closeButton?.RegisterCallback<ClickEvent>(OnCloseButtonClick);
+        }
+
+        private void OnCloseButtonClick(ClickEvent evt)
+        {
+            CloseView();
+        }
+
+        protected virtual void CloseView(bool animate = true)
+        {
+            View.Show(false, animate);
+        }
+    }
+}