Passion & UI

Assets/Scripts/Settings/UI/SettingsEntryDropdown.cs

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+using System;
+using System.Collections.Generic;
+using TMPro;
+using UnityEngine;
+
+namespace Cielonos.Settings.UI
+{
+    /// <summary>
+    /// enum 字段的设置条目 — 使用 TMP_Dropdown。
+    /// 自动从枚举类型生成选项列表。
+    /// </summary>
+    public class SettingsEntryDropdown : SettingsEntryBase
+    {
+        [SerializeField] private TMP_Dropdown dropdown;
+
+        private Array enumValues;
+
+        protected override void SetupUI()
+        {
+            if (dropdown == null) return;
+
+            enumValues = Enum.GetValues(fieldInfo.FieldType);
+
+            dropdown.ClearOptions();
+            var options = new List<string>(enumValues.Length);
+            foreach (object val in enumValues)
+            {
+                options.Add(val.ToString());
+            }
+            dropdown.AddOptions(options);
+
+            dropdown.onValueChanged.AddListener(OnDropdownChanged);
+        }
+
+        public override void RefreshValue()
+        {
+            if (dropdown == null || enumValues == null) return;
+
+            object currentValue = GetFieldValue();
+            for (int i = 0; i < enumValues.Length; i++)
+            {
+                if (enumValues.GetValue(i).Equals(currentValue))
+                {
+                    dropdown.SetValueWithoutNotify(i);
+                    break;
+                }
+            }
+        }
+
+        private void OnDropdownChanged(int index)
+        {
+            if (enumValues != null && index >= 0 && index < enumValues.Length)
+            {
+                SetFieldValue(enumValues.GetValue(index));
+            }
+        }
+
+        private void OnDestroy()
+        {
+            if (dropdown != null)
+                dropdown.onValueChanged.RemoveListener(OnDropdownChanged);
+        }
+    }
+}