private void SubscribePrices()
{
var prices = ApplicationSettings.Instance.PricesToWatch;
var priceInfoList = new ObservableCollection <PriceInfo>();
foreach (var market in prices)
{
var id = market.MarketId;
var priceInfo = new PriceInfo {
MarketId = id, MarketName = market.Name
};
priceInfo.Color = new SolidColorBrush(PriceGraph.GetGraphColor(id.ToString()));
priceInfoList.Add(priceInfo);
PriceGraphSingle.SetGraphBrush(priceInfo.MarketId.ToString(), priceInfo.Color);
State.Data.SubscribePrices(id,
price =>
{
//var priceBar = State.Data.GetPriceBar(price.MarketId);
priceInfo.Price = price.Price;
priceInfo.Change = price.Change;
OnGraphUpdate(price);
});
}
PricesView.DataContext = priceInfoList;
}
private void OnGraphUpdate(PriceDTO val)
{
var item = new GraphItem {
Value = (double)val.Price, Time = val.TickDate
};
var key = val.MarketId.ToString();
PriceGraph.AddItem(key, item);
PriceGraphSingle.AddItem(key, item);
}
private void OnGraphUpdate(PriceDTO val)
{
// NOTE this code is a temporary workaround until datetime bug is fixed
var ticksString = val.TickDate.Substring(7, val.TickDate.Length - 10);
var time = new DateTime(1970, 1, 1, 0, 0, 0, 0).AddMilliseconds(Int64.Parse(ticksString));
var item = new GraphItem {
Value = (double)val.Price, Time = time
};
var key = val.MarketId.ToString();
PriceGraph.AddItem(key, item);
PriceGraphSingle.AddItem(key, item);
}
private void PricesView_SelectedChanged(object sender, SelectedPriceChangedArgs e)
{
PriceGraphSingle.SetCurrentVisible(e.Val.MarketId.ToString());
}