TH1/Unity/Assets/Scripts/TH1_UI/View/Base/View.cs

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

namespace TH1_UI.View.Base
{
	public class View : MonoBehaviour
	{
		public Canvas ViewCanvas { get { return _canvas; } }
		//
		public void Initialize(UIWindowProperty windowProperty)
	    {
	        _winProperty = windowProperty;
			_canvas = transform.GetComponent<Canvas>();
	        //
	        PreInitStart();
			InitStart();
			//
			if(_reSize)
			{
				_Resize();
			}
		}
	    //
	    protected virtual void PreInitStart() { }
	    //
	    protected virtual void InitStart() 
		{
			_viewAnimation = gameObject.GetComponent<Animation>();
			_viewAnimationManager = gameObject.GetComponent<AnimationManager>();
			_canvasGroup = gameObject.GetComponent<CanvasGroup>();
			if(!(this is ViewSub))
			{
				//ViDebuger.AssertError(_canvasGroup != null, "UI预制根节点必须有CanvasGroup");
			}
		}
		//
		void _Resize()
		{
			RectTransform rect = transform.Find("Content").GetComponent<RectTransform>();
			CanvasScaler canvasScaler = GetComponent<CanvasScaler>();
			RectTransform canvasRect = GetComponent<RectTransform>();
			//
			if (canvasScaler.matchWidthOrHeight == 0)
			{
				if (canvasRect.rect.height <= 1600)
				{
					canvasScaler.matchWidthOrHeight = 1;
				}
			}
			else if (canvasScaler.matchWidthOrHeight - 1 < 0.01f)
			{
				if (canvasRect.rect.width <= 720)
				{
					canvasScaler.matchWidthOrHeight = 0;
				}
			}
			//
			float canvasRectHeight = canvasRect.rect.height;
			float factRatio = canvasRectHeight / Screen.height;
			float safeAreaY = Screen.safeArea.y * factRatio;
			float safeAreaHeight = Screen.safeArea.height * factRatio;
			//
			var offset = canvasRectHeight - safeAreaHeight;
			if (safeAreaY == 0)
			{
				if (offset > 0)
				{
					rect.offsetMax = new Vector2(rect.offsetMax.x, rect.offsetMax.y - offset);
				}
			}
			else
			{
				if ((int)offset == (int)safeAreaY)
				{
					rect.offsetMin = new Vector2(rect.offsetMin.x, rect.offsetMin.y + offset);
				}
				else if ((int)offset > (int)safeAreaY)
				{
					var bottomOffset = safeAreaY;
					var topOffset = canvasRectHeight - safeAreaHeight - bottomOffset;
					rect.offsetMin = new Vector2(rect.offsetMin.x, rect.offsetMin.y + bottomOffset);
					rect.offsetMax = new Vector2(rect.offsetMax.x, rect.offsetMax.y - topOffset);
				}
			}
		}
		//
		public void SetSortingOrder(int depth)
	    {
			_canvas.sortingOrder = depth;
	        //
	        
	        //UnityComponentList<RelativeSortingOnCanvas>.Begin(gameObject, true);
	        //List<RelativeSortingOnCanvas> list = UnityComponentList<RelativeSortingOnCanvas>.List;
	        //for (int iter = 0, count = list.Count; iter < count; ++iter)
	        //{
	            //list[iter].UpdateSorting();
	        //}
	        //UnityComponentList<RelativeSortingOnCanvas>.End();
	    }
	    //
	    public virtual bool IsShow()
	    {
	        return _show && gameObject.activeInHierarchy && _canvasGroup.alpha > 0;
	    }
	    //
	    public virtual void Show()
	    {
		    _showTimeNode.Detach();
			_hideTimeNode.Detach();
			//UIUtil.SetViewTouchable(true);
			//
			_show = true;
	        //
			if (_viewAnimation != null && !string.IsNullOrEmpty(_showAnimName))
			{
				_viewAnimation[_showAnimName].time = 0f;
				_viewAnimation[_showAnimName].enabled = true;
				_viewAnimation[_showAnimName].weight = 1f;
				_viewAnimation.Sample();
				_viewAnimation[_showAnimName].enabled = false;
				//
				_viewAnimation.Play(_showAnimName);
				float animDuration = _viewAnimation[_showAnimName].length;
				if (!_enableClick)
				{
					//UIUtil.SetViewTouchable(false);
				}
				ViTimerInstance.SetTime(_showTimeNode, animDuration, OnShowAnimFinished);
			}
			else if(_viewAnimationManager != null && _viewAnimationManager.GetGroup("enter") != null)
			{
				var hasEnterGroup = _viewAnimationManager.HasGroup("enter");
				var enableClick = _enableClick || !hasEnterGroup;
				if (!enableClick)
				{
					//UIUtil.SetViewTouchable(false);
				}
				_viewAnimationManager.Play("enter", true, OnShowAnimFinished);
			}
			//
			//gameObject.SetActive(true);
			_SetAlphaActive(true);
		}
	    //
	    public virtual void Hide()
	    {
		    _showTimeNode.Detach();
			_hideTimeNode.Detach();
			//UIUtil.SetViewTouchable(true);
			//
			_show = false;
			//
			if (_viewAnimation != null && !string.IsNullOrEmpty(_hideAnimName))
			{
				_viewAnimation.Play(_hideAnimName);
				float animDuration = _viewAnimation[_hideAnimName].length;
				//UIUtil.SetViewTouchable(false);
				ViTimerInstance.SetTime(_hideTimeNode, animDuration, _OnHideAnimFinished);
			}
			else if(_viewAnimationManager != null && _viewAnimationManager.GetGroup("end") != null)
			{
				var hasEnterGroup = _viewAnimationManager.HasGroup("end");
				var enableClick = _enableClick || !hasEnterGroup;
				if (!enableClick)
				{
					//UIUtil.SetViewTouchable(false);
				}
				_viewAnimationManager.Play("end", true, _OnHideAnimFinished);
			}
			else
			{
				_SetAlphaActive(false);
				//gameObject.SetActive(false);
			}
		}
		//
		void _SetAlphaActive(bool value)
		{
			_canvasGroup.alpha = value ? 1.0f : 0;
			_canvasGroup.interactable = value;
			_canvasGroup.blocksRaycasts = value;
		}
	    //
	    protected virtual void OnShowAnimFinished(ViTimeNodeInterface node)
	    {
		    //UIUtil.SetViewTouchable(true);
	    }
		//
		void _OnHideAnimFinished(ViTimeNodeInterface node)
		{
			_SetAlphaActive(false);
			//gameObject.SetActive(false);
			//UIUtil.SetViewTouchable(true);
		}
		//
		public void SetEnableClick(bool value)
		{
			_enableClick = value;
		}
		
		//
		protected virtual void OnDispose()
	    {
		    _showTimeNode.Detach();
			_hideTimeNode.Detach();
			_viewAnimationManager?.Dispose();
			//UIUtil.SetViewTouchable(true);
		}
	    //
	    private void OnDestroy()
	    {
		    OnDispose();
	    }
		//
		protected bool _show;
		protected Canvas _canvas;
		protected UIWindowProperty _winProperty;
		protected string _showAnimName = string.Empty;
		protected string _hideAnimName = string.Empty;
		protected Animation _viewAnimation;
		protected AnimationManager _viewAnimationManager;
		protected ViTimeNode1 _showTimeNode = new ViTimeNode1();
		protected ViTimeNode1 _hideTimeNode = new ViTimeNode1();
		protected bool _reSize = false;
		protected CanvasGroup _canvasGroup;
		bool _enableClick = false;
	}

}