using UnityEngine;
using UnityEngine.EventSystems;

namespace UIWidgets
{
	[RequireComponent(typeof(ListViewIcons))]
	public class ListViewIconsDropSupport : MonoBehaviour, IDropSupport<TreeNode<TreeViewItem>>, IDropSupport<ListViewIconsItemDescription>
	{
		public bool CanReceiveDrop(TreeNode<TreeViewItem> data, PointerEventData eventData)
		{
			return data.Nodes == null || data.Nodes.Count == 0;
		}

		public void Drop(TreeNode<TreeViewItem> data, PointerEventData eventData)
		{
			ListViewIcons component = GetComponent<ListViewIcons>();
			component.DataSource.Add(new ListViewIconsItemDescription
			{
				Name = data.Item.Name,
				LocalizedName = data.Item.LocalizedName,
				Icon = data.Item.Icon,
				Value = data.Item.Value
			});
			data.Parent = null;
		}

		public void DropCanceled(TreeNode<TreeViewItem> data, PointerEventData eventData)
		{
		}

		public bool CanReceiveDrop(ListViewIconsItemDescription data, PointerEventData eventData)
		{
			return true;
		}

		public void Drop(ListViewIconsItemDescription data, PointerEventData eventData)
		{
			ListViewIcons component = GetComponent<ListViewIcons>();
			component.DataSource.Add(data);
		}

		public void DropCanceled(ListViewIconsItemDescription data, PointerEventData eventData)
		{
		}
	}
}