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50 行
1.2 KiB
50 行
1.2 KiB
using UnityEngine.UI;
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namespace UnityEngine.Rendering.UI
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{
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[ExecuteAlways]
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public class UIFoldout : Toggle
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{
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public GameObject content;
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public GameObject arrowOpened;
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public GameObject arrowClosed;
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protected override void Start()
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{
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base.Start();
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onValueChanged.AddListener(SetState);
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SetState(isOn);
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}
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#pragma warning disable 108,114
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void OnValidate()
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{
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SetState(isOn, false);
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}
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#pragma warning restore 108,114
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public void SetState(bool state)
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{
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SetState(state, true);
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}
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public void SetState(bool state, bool rebuildLayout)
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{
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if (arrowOpened == null || arrowClosed == null || content == null)
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return;
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if (arrowOpened.activeSelf != state)
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arrowOpened.SetActive(state);
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if (arrowClosed.activeSelf == state)
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arrowClosed.SetActive(!state);
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if (content.activeSelf != state)
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content.SetActive(state);
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if (rebuildLayout)
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LayoutRebuilder.ForceRebuildLayoutImmediate(transform.parent as RectTransform);
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}
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}
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}
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