45 lines
1.7 KiB
C#
45 lines
1.7 KiB
C#
using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.Events;
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using TMPro;
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namespace BaseGames.UI
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{
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/// <summary>
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/// 下拉控件封装：TMP_Dropdown + 一行式 <see cref="Bind"/>（填充选项 / 设当前项 / 接回调），
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/// 消除设置面板里重复的 ClearOptions/AddOptions/RefreshShownValue 样板。
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/// 选项文本可由调用方先经本地化（<c>LocalizationManager.Get</c>）解析后传入。
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/// </summary>
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[DisallowMultipleComponent]
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public class UIDropdown : MonoBehaviour
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{
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[SerializeField] private TMP_Dropdown _dropdown;
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public TMP_Dropdown Dropdown => _dropdown;
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public int Value => _dropdown != null ? _dropdown.value : 0;
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/// <summary>填充选项、设当前选中项并接变更回调。</summary>
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public void Bind(IEnumerable<string> options, int index, UnityAction<int> onChanged)
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{
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if (_dropdown == null) return;
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_dropdown.onValueChanged.RemoveAllListeners();
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_dropdown.ClearOptions();
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var list = options as List<string> ?? new List<string>(options);
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_dropdown.AddOptions(list);
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_dropdown.value = Mathf.Clamp(index, 0, Mathf.Max(0, list.Count - 1));
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_dropdown.RefreshShownValue();
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_dropdown.onValueChanged.AddListener(i => onChanged?.Invoke(i));
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}
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/// <summary>不触发回调地设置当前选中项（用于外部状态同步）。</summary>
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public void SetIndexSilent(int index)
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{
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if (_dropdown == null) return;
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_dropdown.SetValueWithoutNotify(Mathf.Clamp(index, 0, Mathf.Max(0, _dropdown.options.Count - 1)));
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_dropdown.RefreshShownValue();
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}
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}
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}
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