public static TimeSpan PeriodTimeSpan(MT4Bridge.PeriodType period)
{
if ((int)period < 60)
{
return(TimeSpan.FromMinutes((int)period));
}
else if ((int)period < 1440)
{
return(TimeSpan.FromHours((int)period));
}
else if ((int)period == 1440)
{
return(TimeSpan.FromDays(1));
}
else if ((int)period == 10080)
{
return(TimeSpan.FromDays(7));
}
else
{
return(TimeSpan.FromDays(30));
}
}
/// <summary>
/// Copies data to Data and calculates.
/// </summary>
void SetDataAndCalculate(string symbol, MT4Bridge.PeriodType period, DateTime time, bool isPriceChange, bool isUpdateData)
{
lock (lockerDataFeed)
{
bool isUpdateChart = isUpdateData;
MT4Bridge.Bars bars = bridge.GetBars(symbol, period);
if (bars == null && JournalShowSystemMessages)
{
isSetRootDataError = true;
Data.SoundError.Play();
JournalMessage jmsg = new JournalMessage(JournalIcons.Error, DateTime.Now,
symbol + " " + period.ToString() + " " + Language.T("Cannot receive bars!"));
AppendJournalMessage(jmsg);
return;
}
if (bars.Count < MaxBarsCount((int)period) && JournalShowSystemMessages)
{
isSetRootDataError = true;
Data.SoundError.Play();
JournalMessage jmsg = new JournalMessage(JournalIcons.Error, DateTime.Now,
symbol + " " + period.ToString() + " " + Language.T("Cannot receive enough bars!"));
AppendJournalMessage(jmsg);
return;
}
if (isSetRootDataError && JournalShowSystemMessages)
{
isSetRootDataError = false;
JournalMessage jmsg = new JournalMessage(JournalIcons.Information, DateTime.Now,
symbol + " " + period.ToString() + " " + Language.T("Enough bars received!"));
AppendJournalMessage(jmsg);
}
int countBars = bars.Count;
if (countBars < 400)
{
return;
}
if (Data.Bars != countBars || Data.Time[countBars - 1] != bars.Time[countBars - 1] ||
Data.Volume[countBars - 1] != bars.Volume[countBars - 1] || Data.Close[countBars - 1] != bars.Close[countBars - 1])
{
if (Data.Bars == countBars && Data.Time[countBars - 1] == bars.Time[countBars - 1] && Data.Time[countBars - 10] == bars.Time[countBars - 10])
{ // Update the last bar only.
Data.Open [countBars - 1] = bars.Open [countBars - 1];
Data.High [countBars - 1] = bars.High [countBars - 1];
Data.Low [countBars - 1] = bars.Low [countBars - 1];
Data.Close [countBars - 1] = bars.Close [countBars - 1];
Data.Volume[countBars - 1] = bars.Volume[countBars - 1];
}
else
{ // Update all the bars.
Data.Bars = countBars;
Data.Time = new DateTime[countBars];
Data.Open = new double[countBars];
Data.High = new double[countBars];
Data.Low = new double[countBars];
Data.Close = new double[countBars];
Data.Volume = new int[countBars];
bars.Time.CopyTo(Data.Time, 0);
bars.Open.CopyTo(Data.Open, 0);
bars.High.CopyTo(Data.High, 0);
bars.Low.CopyTo(Data.Low, 0);
bars.Close.CopyTo(Data.Close, 0);
bars.Volume.CopyTo(Data.Volume, 0);
}
// Calculate the strategy indicators.
CalculateStrategy(true);
isUpdateChart = true;
}
bool isBarChanged = IsBarChanged(Data.Time[Data.Bars - 1]);
if (isTrading)
{
TickType tickType = GetTickType((DataPeriods)(int)period, Data.Time[Data.Bars - 1], time, Data.Volume[Data.Bars - 1]);
if (tickType == TickType.Close || isPriceChange || isBarChanged)
{
if (JournalShowSystemMessages && tickType != TickType.Regular)
{
JournalIcons icon = JournalIcons.Warning;
string text = string.Empty;
if (tickType == TickType.Open)
{
icon = JournalIcons.BarOpen;
text = Language.T("A Bar Open event!");
}
else if (tickType == TickType.Close)
{
icon = JournalIcons.BarClose;
text = Language.T("A Bar Close event!");
}
else if (tickType == TickType.AfterClose)
{
icon = JournalIcons.Warning;
text = Language.T("A new tick arrived after a Bar Close event!");
}
JournalMessage jmsg = new JournalMessage(icon, DateTime.Now, symbol + " " + Data.PeriodMTStr + " " + time.ToString("HH:mm:ss") + " " + text);
AppendJournalMessage(jmsg);
}
if (isBarChanged && tickType == TickType.Regular)
{
if (JournalShowSystemMessages)
{
JournalMessage jmsg = new JournalMessage(JournalIcons.Warning, DateTime.Now, symbol + " " +
Data.PeriodMTStr + " " + time.ToString("HH:mm:ss") + " A Bar Changed event!");
AppendJournalMessage(jmsg);
}
tickType = TickType.Open;
}
if (tickType == TickType.Open && barOpenTimeForLastCloseEvent == Data.Time[Data.Bars - 3])
{
if (JournalShowSystemMessages)
{
JournalMessage jmsg = new JournalMessage(JournalIcons.Warning, DateTime.Now, symbol + " " +
Data.PeriodMTStr + " " + time.ToString("HH:mm:ss") + " A secondary Bar Close event!");
AppendJournalMessage(jmsg);
}
tickType = TickType.OpenClose;
}
CalculateTrade(tickType);
isUpdateChart = true;
if (tickType == TickType.Close || tickType == TickType.OpenClose)
{
barOpenTimeForLastCloseEvent = Data.Time[Data.Bars - 1];
}
}
}
if (isUpdateChart)
{
UpdateChart();
}
}
return;
}
