74 lines
2.6 KiB
C#
74 lines
2.6 KiB
C#
using System.Collections.Generic;
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using Ichni.UI;
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using UnityEngine;
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namespace Ichni.Menu.UI
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{
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/// <summary>
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/// 通用 SelectionBox 的页面宿主，职责等同于 MessageBox 的页面容器：
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/// 显示时动态生成一个 SelectionBox，选择完成后统一淡出并销毁本次实例。
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/// </summary>
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public class SelectionBoxUIPage : UIPageBase
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{
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[Header("Selection Box Page")]
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public SelectionBox selectionBoxPrefab;
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public RectTransform selectionBoxContainer;
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private SelectionBox _currentSelectionBox;
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private bool _isShowing;
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/// <summary>当前是否已有一个 SelectionBox 等待玩家选择。</summary>
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public bool IsShowing => _isShowing;
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/// <summary>
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/// 生成并显示一组运行时选项。页面显示期间拒绝重复请求，避免两个弹窗争夺输入。
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/// </summary>
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public bool Show(string title, string content, IReadOnlyList<SelectionBoxOption> options)
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{
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if (_isShowing)
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{
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Debug.LogWarning("[SelectionBoxUIPage] 已有 SelectionBox 显示中，忽略重复请求。");
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return false;
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}
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if (mainCanvasGroup == null || selectionBoxPrefab == null || selectionBoxContainer == null)
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{
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Debug.LogWarning("[SelectionBoxUIPage] 缺少 CanvasGroup、SelectionBox Prefab 或容器，无法显示选项框。");
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return false;
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}
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_currentSelectionBox = Instantiate(selectionBoxPrefab, selectionBoxContainer);
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_currentSelectionBox.Closed += HandleSelectionBoxClosed;
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if (!_currentSelectionBox.SetUp(title, content, options))
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{
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Destroy(_currentSelectionBox.gameObject);
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_currentSelectionBox = null;
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return false;
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}
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_isShowing = true;
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// UIPageBase 默认淡入完成后才开启射线；选择框从出现瞬间就必须阻断底层输入。
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mainCanvasGroup.gameObject.SetActive(true);
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mainCanvasGroup.interactable = true;
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mainCanvasGroup.blocksRaycasts = true;
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FadeIn();
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return true;
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}
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private void HandleSelectionBoxClosed(SelectionBox selectionBox)
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{
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if (selectionBox != _currentSelectionBox) return;
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FadeOut(0.2f, false, () =>
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{
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if (_currentSelectionBox != null)
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Destroy(_currentSelectionBox.gameObject);
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_currentSelectionBox = null;
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_isShowing = false;
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});
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}
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}
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}
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