66 lines
1.5 KiB
C#
66 lines
1.5 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Threading;
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using Cysharp.Threading.Tasks;
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using UnityEngine;
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using UnityEngine.Events;
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namespace BITKit.UX
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{
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public class UXTabContainerEvent : UXElement<TabContainer>
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{
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[Tooltip("基于<see cref=\"TabBar\"/>的Tab切换事件")]
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[SerializeField] private UnityEvent<bool>[] onEntryTab;
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[SerializeField] private UnityEvent[] onEntry;
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[SerializeField] private UnityEvent[] onExit;
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private readonly DoubleBuffer<int> tabBuffer = new();
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private CancellationToken _cancellationToken;
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public override void OnAwake()
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{
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base.OnAwake();
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_cancellationToken = gameObject.GetCancellationTokenOnDestroy();
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}
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public override async void OnStart()
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{
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base.OnStart();
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visualElement.OnTabChanged += OnTabChanged;
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foreach (var unityEvent in onEntryTab)
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{
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unityEvent.Invoke(false);
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}
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try
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{
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await UniTask.NextFrame(_cancellationToken);
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OnTabChanged(visualElement.CurrentTab);
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}
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catch(OperationCanceledException){}
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}
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private void OnTabChanged(int obj)
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{
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if(onEntryTab.TryGetElementAt(tabBuffer.Current,out var unityEvent))
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{
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unityEvent.Invoke(false);
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}
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if(onEntryTab.TryGetElementAt(obj, out unityEvent))
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{
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unityEvent.Invoke(true);
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}
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if(onExit.TryGetElementAt(tabBuffer.Current,out var exitEvent))
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{
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exitEvent.Invoke();
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}
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if(onEntry.TryGetElementAt(obj, out var entryEvent))
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{
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entryEvent.Invoke();
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}
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tabBuffer.Release(obj);
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}
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}
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}
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