private string GetOrdersHint(Point ptClient)
{
var asterixes = seriesAsteriks.GetObjectsUnderCursor(ptClient.X, ptClient.Y, SeriesComment.DefaultMouseTolerance);
if (asterixes.Count == 0)
{
return(string.Empty);
}
var selectedOrders = new List <Cortege2 <string, string> >();
foreach (var aster in asterixes)
{
var posId = aster.Magic;
if (aster.Name == "p")
{
var orderPend = pendingOrders.FirstOrDefault(p => p.ID == posId);
if (orderPend != null)
{
selectedOrders.Add(new Cortege2 <string, string>("",
DisplayedOrder.MakeOrderTitle(orderPend)));
}
continue;
}
var list = aster.Name == "o" ? openPositions : closedPositions;
var pos = list.FirstOrDefault(p => p.ID == posId);
var eventStr = aster.Name == "q" ? "выход: " : "";
if (pos != null)
{
selectedOrders.Add(
new Cortege2 <string, string>(eventStr, DisplayedOrder.MakeOrderTitle(pos)));
}
}
if (selectedOrders.Count > OrdersInHintMax)
{
var lastIndex = selectedOrders.Count - OrdersInHintMax;
currentHintIndex++;
if (currentHintIndex > lastIndex)
{
currentHintIndex = 0;
}
lastIndex = currentHintIndex + OrdersInHintMax;
var trimmedList = new List <Cortege2 <string, string> >();
for (var i = currentHintIndex; i < lastIndex; i++)
{
trimmedList.Add(selectedOrders[i]);
}
selectedOrders = trimmedList;
}
var sb = new StringBuilder();
foreach (var order in selectedOrders)
{
sb.AppendLine(order.a + order.b);
}
return(sb.ToString());
}
private void UpdateDisplayedOrders(List <MarketOrder> newOrders, List <MarketOrder> targetList)
{
if (newOrders.Count == 0)
{
targetList.Clear();
return;
}
if (newOrders.Count != targetList.Count)
{
targetList.Clear();
targetList.AddRange(newOrders);
return;
}
// сравнить новые ордера с обработанными
newOrders = newOrders.OrderBy(o => o.ID).ToList();
var same = true;
for (var i = 0; i < newOrders.Count; i++)
{
if (DisplayedOrder.AreSame(newOrders[i], targetList[i]))
{
continue;
}
same = false;
break;
}
if (same)
{
return;
}
// таки обновить
targetList.Clear();
targetList.AddRange(newOrders);
BuildSeries(owner);
}