public QuoteGridViewModel()
{
this._gridList = new QuoteGridList();
_quoteupdateservice = ServiceLocator.Current.GetInstance <IQuoteUpdateService>() as QuoteUpdateService;
_eventaggregator = ServiceLocator.Current.GetInstance <EventAggregator>();
_quoteupdateservice.GridViewModel = this;
}
public void UpdateRow(Tick k)
{
// bool exist = GridViewModel.QuoteGridList.Any(x => x.Symbol == k.FullSymbol);
var item = QuoteGridList.FirstOrDefault(i => i.Symbol == k.FullSymbol);
if (item != null)
{
if (k.HasBid)
{
item.BidPair = new QuoteGridLine.QuotePair(item.BidPair._newvalue, k.BidPrice);
item.BidSize = k.BidSize;
}
if (k.HasAsk)
{
item.AskPair = new QuoteGridLine.QuotePair(item.AskPair._newvalue, k.AskPrice);
item.AskSize = k.AskSize;
}
if (k.IsTrade)
{
// decimal old_trade = (decimal)item.TradePair._newvalue;
item.TradePair = new QuoteGridLine.QuotePair(item.TradePair._newvalue, k.TradePrice);
item.Size = k.TradeSize;
//item.TradeColor = k.TradePrice > old_trade ? System.Windows.Media.Colors.Green
// : (k.TradePrice == old_trade ? System.Windows.Media.Colors.White : System.Windows.Media.Colors.Red);
if (item.PreClose != 0m)
{
item.Change = k.TradePrice - item.PreClose;
item.ChangePercentage = String.Format("{0:P3}.", k.TradePrice / item.PreClose - 1);
}
}
}
}
public QuoteGridViewModel()
{
this._gridList = new QuoteGridList();
_quoteupdateservice = ServiceLocator.Current.GetInstance<IQuoteUpdateService>() as QuoteUpdateService;
_eventaggregator = ServiceLocator.Current.GetInstance<EventAggregator>();
_quoteupdateservice.GridViewModel = this;
}
public void UpdatePreclose(string sym, decimal preclose)
{
var item = QuoteGridList.FirstOrDefault(i => i.Symbol == sym);
if (item != null)
{
item.PreClose = preclose;
if (item.PreClose != 0m)
{
item.Change = item.TradePair._newvalue - item.PreClose;
item.ChangePercentage = String.Format("{0:P3}.", item.TradePair._newvalue / item.PreClose - 1);
}
}
}
