存读档界面UI滑动效果

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using System.Collections;
using System.Collections.Generic;
using DG.Tweening;
using DSFramework;
using UnityEngine;
using UnityEngine.Serialization;
using UnityEngine.UI;


public enum FileDataType
{
    NONE,
    SAVE,
    LOAD,
}

/// <summary>
/// 存读档类
/// </summary>
public class FileDataPageView : PageViewBase
{
    private const uint PageCount = 5;
    private const uint Spacing = 35;

    private FileDataType type;

    [FormerlySerializedAs("m_HorizontalLayoutGroups")] [SerializeField]
    private HorizontalLayoutGroup m_HorizontalLayoutGroups;

    [FormerlySerializedAs("m_ContentSizeFitter")] [SerializeField]
    private ContentSizeFitter m_ContentSizeFitter;

    [FormerlySerializedAs("m_ScrollRect")] [SerializeField]
    private ScrollRect m_ScrollRect;

    [SerializeField] private RectTransform m_ContentRect;

    private DSImageButton m_ColseButton;
    private DSFadeButton m_LeftPageButton;
    private DSFadeButton m_RightPageButton;


    private bool PageMoveing;


    private void ContentSizeFitterInit(bool value)
    {
        m_ContentSizeFitter.horizontalFit = ContentSizeFitter.FitMode.PreferredSize;
        m_ContentSizeFitter.verticalFit = ContentSizeFitter.FitMode.Unconstrained;

        m_ContentSizeFitter.enabled = value;
    }

    private void HorizontalLayoutGroupInit()
    {
        m_HorizontalLayoutGroups.spacing = Spacing;
        m_HorizontalLayoutGroups.childAlignment = TextAnchor.MiddleCenter;
    }

    private void ScrollRectInit()
    {
        m_ScrollRect.horizontal = true;
        m_ScrollRect.vertical = false;
        m_ScrollRect.movementType = ScrollRect.MovementType.Elastic;
        m_ScrollRect.elasticity = 0.1f;
        m_ScrollRect.inertia = true;
        m_ScrollRect.decelerationRate = 0.135f;
        m_ScrollRect.scrollSensitivity = 1;
    }

    public override void Init(params object[] option)
    {
        // RegisterUIEvent();
        base.Init(option);

        ScrollRectInit();
        HorizontalLayoutGroupInit();
        ContentSizeFitterInit(m_ScrollRect.content.childCount >= PageCount);

        m_ColseButton = transform.Find("Content/ButtonGroup/CloseButton").GetComponent<DSImageButton>();
        m_LeftPageButton = transform.Find("Content/ButtonGroup/LeftPageButton").GetComponent<DSFadeButton>();
        m_RightPageButton = transform.Find("Content/ButtonGroup/RightPageButton").GetComponent<DSFadeButton>();


        m_LeftPageButton.OnClick.AddListener(() =>
        {
            if (PageMoveing)
                return;

            float anchoredPositionX = m_ContentRect.anchoredPosition.x + 2500 <= 0
                ? m_ContentRect.anchoredPosition.x + 2500
                : 0;

            PageMoveing = true;
            m_ContentRect.DOAnchorPos(new Vector2(anchoredPositionX, m_ContentRect.anchoredPosition.y), 0.8f).SetEase(Ease.OutExpo)
                .OnComplete(
                    () => { PageMoveing = false; });
        });

        m_RightPageButton.OnClick.AddListener(() =>
        {
            if (PageMoveing)
                return;
            
            float anchoredPositionX = m_ContentRect.anchoredPosition.x - 2500 >= -m_ContentRect.sizeDelta.x
                ? m_ContentRect.anchoredPosition.x - 2500
                : -m_ContentRect.sizeDelta.x;
            PageMoveing = true;
            m_ContentRect.DOAnchorPos(new Vector2(anchoredPositionX, m_ContentRect.anchoredPosition.y), 0.8f).SetEase(Ease.OutExpo)
                .OnComplete(
                    () => { PageMoveing = false; });
        });

        m_ColseButton.OnClick.AddListener(() => { m_GameEntry.UI.ClosePage(); });
    }

    public override void OnDestroy()
    {
        m_ColseButton.OnClick.RemoveAllListeners();
        base.OnDestory();
    }

    protected override void SetKeyUI()
    {
        if (Input.GetKeyDown(KeyCode.Escape))
        {
            m_GameEntry.UI.ClosePage();
        }
    }
}