using System.Collections;
using UnityEngine;
using UnityEngine.UI;

namespace UIWidgets
{
	public class TreeViewComponentBase<T> : ListViewItem
	{
		public Image Icon;

		public Text Text;

		public TreeNodeToggle Toggle;

		public NodeToggleEvent ToggleEvent = new NodeToggleEvent();

		public LayoutElement Filler;

		public bool AnimateArrow;

		public float PaddingPerLevel = 30f;

		public bool SetNativeSize = true;

		protected IEnumerator AnimationCorutine;

		public TreeNode<T> Node { get; protected set; }

		protected override void Start()
		{
			base.Start();
			Toggle.OnClick.AddListener(ToggleNode);
		}

		protected override void OnDestroy()
		{
			if (Toggle != null)
			{
				Toggle.OnClick.RemoveListener(ToggleNode);
			}
			base.OnDestroy();
		}

		protected virtual void ToggleNode()
		{
			if (AnimationCorutine != null)
			{
				StopCoroutine(AnimationCorutine);
			}
			SetToggleRotation(Node.IsExpanded);
			ToggleEvent.Invoke(Index);
			if (AnimateArrow)
			{
				AnimationCorutine = ((!Node.IsExpanded) ? OpenCorutine() : CloseCorutine());
				StartCoroutine(AnimationCorutine);
			}
		}

		protected virtual IEnumerator OpenCorutine()
		{
			RectTransform rect = Toggle.transform as RectTransform;
			yield return StartCoroutine(Animations.RotateZ(rect, 0.2f, -90f, 0f));
		}

		protected virtual IEnumerator CloseCorutine()
		{
			RectTransform rect = Toggle.transform as RectTransform;
			yield return StartCoroutine(Animations.RotateZ(rect, 0.2f, 0f, -90f));
		}

		protected virtual void SetToggleRotation(bool isExpanded)
		{
			if (!(Toggle == null))
			{
				RectTransform rectTransform = Toggle.transform as RectTransform;
				rectTransform.rotation = Quaternion.Euler(0f, 0f, isExpanded ? (-90) : 0);
			}
		}

		public virtual void SetData(TreeNode<T> node, int depth)
		{
			if (node != null)
			{
				Node = node;
				SetToggleRotation(Node.IsExpanded);
			}
			if (Filler != null)
			{
				Filler.preferredWidth = (float)depth * PaddingPerLevel;
			}
			if (Toggle != null && Toggle.gameObject != null)
			{
				bool flag = node.Nodes != null && node.Nodes.Count > 0;
				if (Toggle.gameObject.activeSelf != flag)
				{
					Toggle.gameObject.SetActive(flag);
				}
			}
		}
	}
}