using EasyLayout;
using UnityEngine;
using UnityEngine.UI;

namespace UIWidgets
{
	public class EasyLayoutBridge : ILayoutBridge
	{
		private bool isHorizontal;

		private global::EasyLayout.EasyLayout Layout;

		private RectTransform DefaultItem;

		public bool IsHorizontal
		{
			get
			{
				return isHorizontal;
			}
			set
			{
				isHorizontal = value;
				UpdateDirection();
			}
		}

		public bool UpdateContentSizeFitter { get; set; }

		public EasyLayoutBridge(global::EasyLayout.EasyLayout layout, RectTransform defaultItem)
		{
			Layout = layout;
			DefaultItem = defaultItem;
		}

		private void UpdateDirection()
		{
			Layout.Stacking = (isHorizontal ? Stackings.Vertical : Stackings.Horizontal);
			if (UpdateContentSizeFitter)
			{
				ContentSizeFitter component = Layout.GetComponent<ContentSizeFitter>();
				if ((bool)component)
				{
					component.horizontalFit = (IsHorizontal ? ContentSizeFitter.FitMode.PreferredSize : ContentSizeFitter.FitMode.Unconstrained);
					component.verticalFit = ((!IsHorizontal) ? ContentSizeFitter.FitMode.PreferredSize : ContentSizeFitter.FitMode.Unconstrained);
				}
			}
			RectTransform rectTransform = Layout.transform as RectTransform;
			rectTransform.pivot = new Vector2(0f, 1f);
			if (isHorizontal)
			{
				rectTransform.anchorMin = new Vector2(0f, 0f);
				rectTransform.anchorMax = new Vector2(0f, 1f);
			}
			else
			{
				rectTransform.anchorMin = new Vector2(0f, 1f);
				rectTransform.anchorMax = new Vector2(1f, 1f);
			}
			rectTransform.sizeDelta = new Vector2(0f, 0f);
		}

		public void UpdateLayout()
		{
			Layout.UpdateLayout();
		}

		public void SetFiller(float first, float last)
		{
			Padding paddingInner = ((!IsHorizontal) ? new Padding(0f, 0f, first, last) : new Padding(first, last, 0f, 0f));
			Layout.PaddingInner = paddingInner;
		}

		public Vector2 GetItemSize()
		{
			return new Vector2(DefaultItem.rect.width, DefaultItem.rect.height);
		}

		public float GetMargin()
		{
			return (!IsHorizontal) ? Layout.GetMarginTop() : Layout.GetMarginLeft();
		}

		public float GetFullMargin()
		{
			return (!IsHorizontal) ? (Layout.GetMarginTop() + Layout.GetMarginBottom()) : (Layout.GetMarginLeft() + Layout.GetMarginRight());
		}

		public float GetSpacing()
		{
			return (!IsHorizontal) ? Layout.Spacing.y : Layout.Spacing.x;
		}
	}
}