Client/GameClient/Assets/Game/HotUpdate/Views/Mail/MailView.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UI.Mail;
using FairyGUI;
using ET;

namespace GFGGame
{
    public class MailView : BaseWindow
    {

        private UI_MailUI _ui;
        private MailDataManager mailDataMgr;
        private const int _maxMailCount = 300;
        private const int _retainDay = 30;//邮件保存时间
        private const int _showCount = 5;//列表展示数量
        private int _firstChildIndex = 0;//列表显示内容得一个项的显示对象索引

        public bool _canShowContent = false;//获取内容数据返回前不可查看
        public override void Dispose()
        {
            base.Dispose();
        }

        protected override void OnInit()
        {
            base.OnInit();
            packageName = UI_MailUI.PACKAGE_NAME;
            _ui = UI_MailUI.Create();
            this.viewCom = _ui.target;
            this.viewCom.Center();
            this.modal = true;
            viewAnimationType = EnumViewAnimationType.ZOOM_CENTER;

            _ui.m_list.itemRenderer = RenderListItem;
            _ui.m_list.scrollPane.onScrollEnd.Add(OnListScrollEnd);
            _ui.m_list.scrollPane.onScroll.Add(OnListScroll);
            _ui.m_list.SetVirtual();

            _ui.m_btnGet.onClick.Add(OnClickBtnGet);
            _ui.m_btnDelete.onClick.Add(OnClickBtnDelete);
            EventAgent.AddEventListener(ConstMessage.MAIL_REFRESH, () =>
            {
                _ui.m_list.RefreshVirtualList();
            });

            EventAgent.AddEventListener(ConstMessage.MAIL_CHANGE, UpdateNormal);

            mailDataMgr = MailDataManager.Instance;
        }

        protected override void OnShown()
        {
            base.OnShown();

            _firstChildIndex = 0;
            UpdateNormal();
        }
        private void UpdateNormal()
        {
            _ui.m_list.numItems = mailDataMgr.TotolCount;
            _ui.m_txtTips.visible = mailDataMgr.TotolCount == 0 ? true : false;
            _ui.m_txtCount.text = string.Format("当前邮件：{0}/{1}", StringUtil.GetColorText(mailDataMgr.TotolCount.ToString(), mailDataMgr.TotolCount >= _maxMailCount ? "#B19977" : "#E27D78"), _maxMailCount);
            _ui.m_txtMaxCount.text = string.Format("最高可储存{0}封邮箱，请及时查看", _maxMailCount);
            RefreshMailInfo(0, true);
        }

        private void RenderListItem(int index, GObject obj)
        {
            int childIndex = _ui.m_list.ItemIndexToChildIndex(index);
            UI_ListItem item = UI_ListItem.Proxy(obj);
            if (mailDataMgr.mailInfos.Count == 0) return;
            MailInfo data = mailDataMgr.mailInfos[childIndex];
            item.m_c1.selectedIndex = mailDataMgr.GetMailState(data);
            item.m_txtTitle.text = data.title;// string.Format("{0}...", data.content.Length > 10 ? data.content.Substring(0, 10) : data.content);
            string str = TimeUtil.FormattingTime(TimeHelper.ServerNowSecs, ((int)data.timeSec + _retainDay * TimeUtil.SECOND_PER_DAY));
            item.m_txtTime.text = string.Format("剩余时间：{0}", str);
            if (item.target.data == null)
            {
                item.m_btnLook.onClick.Add(OnClickBtnLook);
            }
            item.target.data = index;
            item.m_btnLook.data = index;

        }
        private async void OnClickBtnLook(EventContext context)
        {
            if (!_canShowContent) return;
            int index = (int)(context.sender as GObject).data;
            int childIndex = (int)_ui.m_list.ItemIndexToChildIndex(index);
            bool result = await MailSProxy.ReqMailContent(mailDataMgr.mailInfos[childIndex].mailId);
            if (result)
            {
                ViewManager.Show<MailContentView>(childIndex);
            }
        }


        private void OnListScroll()
        {
            _canShowContent = false;
        }
        private void OnListScrollEnd()
        {
            _firstChildIndex = (int)_ui.m_list.GetChildAt(0).data;
            RefreshMailInfo(_firstChildIndex, false);
        }

        private async void RefreshMailInfo(int index, bool needSort)
        {
            bool result = await MailSProxy.ReqMailList(index, _showCount, needSort);
            if (result)
            {
                _ui.m_list.RefreshVirtualList();
                _canShowContent = true;
            }
        }

        private async void OnClickBtnGet()
        {
            bool result = await MailSProxy.ReqAllMailRewards();
            if (result)
            {
                RefreshMailInfo(_firstChildIndex, false);
            }
        }

        private void OnClickBtnDelete()
        {
            Alert.Show("是否删除所有已读文件？").SetLeftButton(true).SetRightButton(true, "确认", (object data) =>
            {
                SendDeleteAll();
            });
        }
        private async void SendDeleteAll()
        {
            bool result = await MailSProxy.ReqDeleteAllMails();
            if (result)
            {
                _ui.m_list.ScrollToView(0);
                RefreshMailInfo(0, true);
            }
        }
        protected override void OnHide()
        {
            base.OnHide();
        }
    }
}