using UnityEngine;
using UnityEngine.EventSystems;

namespace UIWidgets
{
	[RequireComponent(typeof(TreeViewComponent))]
	public class TreeViewNodeDragSupport : DragSupport<TreeNode<TreeViewItem>>
	{
		[SerializeField]
		public ListViewIconsItemComponent DragInfo;

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

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

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

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

		public override void Dropped(bool success)
		{
			HideDragInfo();
			base.Dropped(success);
		}
	}
}