using EasyLayout;
using UnityEngine;
using UnityEngine.UI;

namespace UIWidgets
{
	public static class Utilites
	{
		public static void FixInstantiated(Component source, Component instance)
		{
			FixInstantiated(source.gameObject, instance.gameObject);
		}

		public static void FixInstantiated(GameObject source, GameObject instance)
		{
			RectTransform rectTransform = source.transform as RectTransform;
			RectTransform rectTransform2 = instance.transform as RectTransform;
			rectTransform2.localPosition = rectTransform.localPosition;
			rectTransform2.position = rectTransform.position;
			rectTransform2.rotation = rectTransform.rotation;
			rectTransform2.localScale = rectTransform.localScale;
			rectTransform2.anchoredPosition = rectTransform.anchoredPosition;
			rectTransform2.sizeDelta = rectTransform.sizeDelta;
		}

		public static Transform FindCanvas(Transform currentObject)
		{
			Canvas componentInParent = currentObject.GetComponentInParent<Canvas>();
			if (componentInParent == null)
			{
				return null;
			}
			return componentInParent.transform;
		}

		public static Vector3 CalculateDragPosition(Vector3 screenPosition, Canvas canvas, RectTransform canvasRect)
		{
			Vector2 sizeDelta = canvasRect.sizeDelta;
			Vector2 vector = Vector2.zero;
			Vector2 a = sizeDelta;
			bool flag = canvas.renderMode == RenderMode.ScreenSpaceOverlay;
			bool flag2 = canvas.renderMode == RenderMode.ScreenSpaceCamera && canvas.worldCamera == null;
			Vector3 result;
			if (flag || flag2)
			{
				result = screenPosition;
			}
			else
			{
				Ray ray = canvas.worldCamera.ScreenPointToRay(screenPosition);
				float enter;
				new Plane(canvasRect.forward, canvasRect.position).Raycast(ray, out enter);
				result = canvasRect.InverseTransformPoint(ray.origin + ray.direction * enter);
				vector = -Vector2.Scale(a, canvasRect.pivot);
				a = sizeDelta - vector;
			}
			result.x = Mathf.Clamp(result.x, vector.x, a.y);
			result.y = Mathf.Clamp(result.y, vector.x, a.y);
			return result;
		}

		public static CursorMode GetCursorMode()
		{
			return CursorMode.Auto;
		}

		public static void UpdateLayout(LayoutGroup layout)
		{
			if (layout is global::EasyLayout.EasyLayout)
			{
				(layout as global::EasyLayout.EasyLayout).UpdateLayout();
				return;
			}
			layout.CalculateLayoutInputHorizontal();
			layout.SetLayoutHorizontal();
			layout.CalculateLayoutInputVertical();
			layout.SetLayoutVertical();
		}
	}
}