using UnityEngine;
using UnityEngine.EventSystems;

namespace UIWidgets
{
	[RequireComponent(typeof(ListViewIconsItemComponent))]
	public class ListViewIconsDragSupport : DragSupport<ListViewIconsItemDescription>
	{
		[SerializeField]
		public ListViewIcons ListView;

		[SerializeField]
		public ListViewIconsItemComponent DragInfo;

		protected virtual void Start()
		{
			if (DragInfo != null)
			{
				DragInfo.gameObject.SetActive(false);
			}
		}

		protected override void InitDrag(PointerEventData eventData)
		{
			base.Data = GetComponent<ListViewIconsItemComponent>().Item;
			ShowDragInfo();
		}

		protected virtual void ShowDragInfo()
		{
			if (!(DragInfo == null))
			{
				DragInfo.transform.SetParent(base.DragPoint, false);
				DragInfo.transform.localPosition = new Vector3(-5f, 5f, 0f);
				DragInfo.SetData(base.Data);
				DragInfo.gameObject.SetActive(true);
			}
		}

		protected virtual void HideDragInfo()
		{
			if (!(DragInfo == null))
			{
				DragInfo.gameObject.SetActive(false);
			}
		}

		public override void Dropped(bool success)
		{
			HideDragInfo();
			if (success && ListView != null)
			{
				ListView.DataSource.Remove(base.Data);
			}
			base.Dropped(success);
		}
	}
}