using UnityEngine;
using UnityEngine.EventSystems;

public class PropogateDrag : MonoBehaviour
{
    public UnityEngine.UI.ScrollRect scrollView;
    // Start is called before the first frame update
    void Start()
    {
		EventTrigger trigger = GetComponent<EventTrigger>();
		EventTrigger.Entry entryBegin = new EventTrigger.Entry(), entryDrag = new EventTrigger.Entry(), entryEnd = new EventTrigger.Entry(), entrypotential = new EventTrigger.Entry()
			, entryScroll = new EventTrigger.Entry();

		entryBegin.eventID = EventTriggerType.BeginDrag;
		entryBegin.callback.AddListener((data) => { scrollView.OnBeginDrag((PointerEventData)data); });
		trigger.triggers.Add(entryBegin);

		entryDrag.eventID = EventTriggerType.Drag;
		entryDrag.callback.AddListener((data) => { scrollView.OnDrag((PointerEventData)data); });
		trigger.triggers.Add(entryDrag);

		entryEnd.eventID = EventTriggerType.EndDrag;
		entryEnd.callback.AddListener((data) => { scrollView.OnEndDrag((PointerEventData)data); });
		trigger.triggers.Add(entryEnd);

		entrypotential.eventID = EventTriggerType.InitializePotentialDrag;
		entrypotential.callback.AddListener((data) => { scrollView.OnInitializePotentialDrag((PointerEventData)data); });
		trigger.triggers.Add(entrypotential);

		entryScroll.eventID = EventTriggerType.Scroll;
		entryScroll.callback.AddListener((data) => { scrollView.OnScroll((PointerEventData)data); });
		trigger.triggers.Add(entryScroll);
	}
}