Vũ Ngọc Hải
48 lines
1.4 KiB
C#
48 lines
1.4 KiB
C#
using UnityEngine;
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using UnityEngine.EventSystems;
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using UnityEngine.UI;
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namespace BrewMonster.Scripts.Managers
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{
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/// <summary>
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/// Forwards pointer drag events from the GameObject to the nearest parent ScrollRect.
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/// Attach to UI elements (Buttons) that should allow ScrollRect dragging while still receiving clicks.
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/// </summary>
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public sealed class ForwardDragToScrollRect : MonoBehaviour, IBeginDragHandler, IDragHandler, IEndDragHandler
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{
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private ScrollRect _target;
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public ScrollRect Target
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{
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get
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{
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if (_target == null)
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_target = GetComponentInParent<ScrollRect>();
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return _target;
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}
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set => _target = value;
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}
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public void OnBeginDrag(PointerEventData eventData)
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{
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var t = Target;
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if (t != null)
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ExecuteEvents.Execute(t.gameObject, eventData, ExecuteEvents.beginDragHandler);
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}
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public void OnDrag(PointerEventData eventData)
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{
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var t = Target;
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if (t != null)
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ExecuteEvents.Execute(t.gameObject, eventData, ExecuteEvents.dragHandler);
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}
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public void OnEndDrag(PointerEventData eventData)
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{
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var t = Target;
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if (t != null)
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ExecuteEvents.Execute(t.gameObject, eventData, ExecuteEvents.endDragHandler);
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}
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}
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}
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