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Assets/Scripts/DynamicUI/Drawers/ButtonDrawer.cs

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+using Lean.Pool;
+using UnityEngine;
+using UnityEngine.Events;
+using UnityEngine.UI;
+
+namespace Ichni.Editor
+{
+    /// <summary>
+    /// 按钮 Drawer，不绑定数据字段。
+    /// 创建 DynamicUIButton 并绑定 ButtonAction。
+    /// </summary>
+    public class ButtonDrawer : IPropertyDrawer
+    {
+        public int DefaultSpan => 1;
+        public float DefaultHeight => LayoutPacker.DefaultRowHeight;
+
+        public DynamicUIElement Draw(DrawContext ctx)
+        {
+            var go = LeanPool.Spawn(ctx.Registry.GetPrefab("button"), ctx.Parent);
+            var element = go.GetComponent<DynamicUIButton>();
+
+            element.SetText(ctx.Label);
+            element.Initialize(ctx.Target, ctx.Label, string.Empty);
+
+            if (ctx.ButtonAction != null)
+            {
+                UnityAction action = () => ctx.ButtonAction();
+                element.ApplyFunction(action);
+            }
+
+            DynamicUIElement.DisableNavigation(element.button);
+
+            int span = ctx.OverrideSpan ?? DefaultSpan;
+            float height = ctx.OverrideHeight ?? DefaultHeight;
+            element.SetLayoutSize(span * LayoutPacker.TotalRowWidth / LayoutPacker.MaxSpanPerRow, height);
+
+            return element;
+        }
+    }
+}