MTP2.0_CSharp/Muchinfo.MTPClient/Fx4.0/Main/03.UI/Modules/Muchinfo.MTPClient.Analysis/ViewModels/PirceCardViewModel.cs

//----------------------------------------------------------------
//Module Name:  $safeprojectname$
//Purpose:      
//CopyRight:    Muchinfo
//History:
//----------------------------------------------------------------
//DateTime		2016/6/18 17:43:11
//Author       
//Description   Create
//----------------------------------------------------------------
using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using Muchinfo.MTPClient.Data.Enums;
using Muchinfo.MTPClient.Data.Model;
using Muchinfo.MTPClient.Infrastructure.Cache;
using Muchinfo.MTPClient.Infrastructure.Helpers;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows;

namespace Muchinfo.MTPClient.Analysis.ViewModels
{
    public class PirceCardViewModel : ViewModelBase, IDisposable
    {

        private QuoteGoods _currentGoods;



        public PirceCardViewModel(QuoteGoods goods)
        {
            Goods = goods;
            //RegisterMessage();
            //InitData();
        }

        /// <summary>
        /// 当前商品
        /// </summary>
        public QuoteGoods Goods
        {
            get
            {
                return _currentGoods;
            }
            set
            {
                bool isupdate = _currentGoods == null || _currentGoods.Equals(value);
                Set(() => Goods, ref _currentGoods, value);
                if (isupdate)
                {
                    RegisterMessage();
                    InitData();
                    //MessengerHelper.DefaultSend<QuoteGoods>(value, MessengerTokens.GoodsChartChange);
                }
            }
        }

        /// <summary>
        /// 初始化数据
        /// </summary>
     
        #region 是否显示换手率

        private void InitData()
        {
            HiddenDataByMarket();
        }

        /// <summary>
        /// 隐藏数据逻辑
        /// </summary>
        private void HiddenDataByMarket()
        {
            if (_currentGoods != null )
                switch (_currentGoods.TradeMode)
                {
                    case eTradeMode.TRADEMODE_MARKETMAKE:
                    case eTradeMode.TRADEMODE_BIDDING:
                    case eTradeMode.TRADEMODE_LISTING_SELECT:
                        IsVisibilityTurnoverRate = Visibility.Visible;
                        break;
                    case eTradeMode.TRADEMODE_BIDDINGMARKETMAKE:
                        //换手率混合市场应隐藏
                        IsVisibilityTurnoverRate = Visibility.Collapsed;
                        break;
                    default:
                        IsVisibilityTurnoverRate = Visibility.Visible;
                        break;
                }
        }


        private Visibility _isVisibilityTurnoverRate = Visibility.Visible;

        /// <summary>
        /// 是否显示换手率-
        /// </summary>
        public Visibility IsVisibilityTurnoverRate
        {
            get
            {
                return _isVisibilityTurnoverRate;
            }
            set
            {
                Set(() => IsVisibilityTurnoverRate, ref _isVisibilityTurnoverRate, value);
            }
        } 
        #endregion
         
        private List<Commission> _bidCommissions;

        /// <summary>
        /// 显示买入档
        /// </summary>
        public List<Commission> BidCommissions
        {
            get { return _bidCommissions; }
            set { Set(() => BidCommissions, ref _bidCommissions, value); }
        }

        private List<Commission> _askCommissions;

        /// <summary>
        /// 显示卖出档
        /// </summary>
        public List<Commission> AskCommissions
        {
            get { return _askCommissions; }
            set { Set(() => AskCommissions, ref _askCommissions, value); }
        }
         
        /// <summary>
        /// 设置买卖档
        /// </summary>
        /// <param name="bid">if set to <c>true</c> [bid].</param>
        /// <param name="commissions">The commissions.</param>
        /// <returns>List{Commission}.</returns>
        private List<Commission> SortCommissions(bool bid, Commission[] commissions, string formatStr)
        {
            var commissionLsit = new List<Commission>();
            int index = 1;
            foreach (var commission in commissions)
            {
                commission.Index = index;
                commission.FormatString = formatStr;
                commissionLsit.Add(commission);
                index++;
            }
            if (!bid)
            {
                commissionLsit = commissionLsit.OrderByDescending((item) => item.Index).ToList();
            }
            return commissionLsit;
        }

        private void RegisterMessage()
        {
            if (Goods.GoodsParameters.TradeMode == eTradeMode.TRADEMODE_BIDDINGMARKETMAKE ||
                Goods.GoodsParameters.TradeMode != eTradeMode.TRADEMODE_BIDDINGMARKETMAKE)
            {
                AskCommissions = SortCommissions(false, Goods.AskList, Goods.FormatPrice);
                BidCommissions = SortCommissions(true, Goods.BidList, Goods.FormatPrice);
                MessengerHelper.DefaultUnregister<List<QuoteGoods>>(this, MessengerTokens.ReceiveRealTimeQuote);
                MessengerHelper.QuoteRegister<List<QuoteGoods>>(this,
                    MessengerTokens.ReceiveRealTimeQuote, (quoteList) =>
                    {
                        if (quoteList == null || !quoteList.Any()) return;

                        foreach (var item in quoteList)
                        {
                            if (item == null) continue;
                            if (Goods.Symbol.ToLower() == item.Symbol.ToLower())
                            {
                                AskCommissions = SortCommissions(false, item.AskList, Goods.FormatPrice);
                                BidCommissions = SortCommissions(true, item.BidList, Goods.FormatPrice);
                            }
                        }
                    });
            }
        }


        public void Dispose()
        {
            this.Cleanup();
        }



        /// <summary>
        /// 下一商品
        /// </summary>
        public RelayCommand NextCommand
        {
            get
            {
                return new RelayCommand(() =>
                {
                    MessengerHelper.DefaultSend<bool>(true, MessengerTokens.ChartGoodsChange);
                }, IsCanNext);
            }
        }

        /// <summary>
        /// 前一个商品
        /// </summary>
        public RelayCommand ForwordCommand
        {
            get
            {
                return new RelayCommand(() =>
                {
                    MessengerHelper.DefaultSend<bool>(false, MessengerTokens.ChartGoodsChange);
                }, IsCanForword);
            }
        }

        /// <summary>
        /// 是否可前一个
        /// </summary>
        /// <returns></returns>
        private bool IsCanForword()
        {
            if (_currentGoods  == null)
            {
                return false;
            }
            var goodsList = CacheManager.CacheGoodsBaseInfos.Where((item) => item.TradeMode != eTradeMode.TRADEMODE_SALE).ToList();
            if (!goodsList.Any())
            {
                return false;
            }
          var index=  goodsList.FindIndex((item) => _currentGoods.Symbol == item.Symbol);

          return index!=-1&&index != 0;  ///当前是否为第一个
        }

        /// <summary>
        /// 是否可下一个商品
        /// </summary>
        /// <returns></returns>
        private bool IsCanNext()
        {
            if (_currentGoods == null)
            {
                return false;
            }
            var goodsList = CacheManager.CacheGoodsBaseInfos.Where((item) => item.TradeMode != eTradeMode.TRADEMODE_SALE).ToList();
            if (!goodsList.Any())
            {
                return false;
            }
            var index = goodsList.FindIndex((item) => _currentGoods.Symbol == item.Symbol);

            return index != -1 && index != goodsList.Count-1;  ///当前是否为第一个
        }



    }
}