/// <summary>
/// Update `BeginningTime` accroding to `RecurringFrequency`.
/// </summary>
/// <returns>Boolean value indicating whether `BeginningTime` is up to date or not.</returns>
public virtual bool UpdateBeginningTime()
{
if (RecurringFrequency == RecurringFrequencies.None)
{
return(false);
}
if (BeginningTime > DateTime.Now)
{
return(true); // BeginningTime is up-to-date.
}
// assume that `dt` is today, check whether it has been expired or not. (if it is expired: starts from next day)
DateTime beginningDateTime = BeginningTime.AddDays((DateTime.Today.Date - BeginningTime.Date).Days);
// Compare time part of the day only
DayOfWeek targetWeekday = (BeginningTime.TimeOfDay <= DateTime.Now.TimeOfDay) ? DateTime.Now.DayOfWeek + 1 : DateTime.Now.DayOfWeek;
Weekday nextRecurringWeekday = Utils.GetNextRecurringWeekday(targetWeekday, RecurringFrequency);
if (nextRecurringWeekday.ToSystemWeekday() == DateTime.Today.DayOfWeek)
{
BeginningTime = DateTime.Today.Date.Add(BeginningTime.TimeOfDay);
}
else
{
BeginningTime = Utils.DateTimeOfNextWeekday(beginningDateTime, nextRecurringWeekday.ToSystemWeekday());
}
return(true);
}
public void Trim()
{
if (Points.Count > PointsMaximum)
{
List <OratorDataPoint> resultList = new List <OratorDataPoint>();
double minTime = 0.0;
if (BeginningTime != DateTime.MinValue)
{
minTime = BeginningTime.ToOADate();
}
else
{
minTime = Points[0].X;
}
double maxTime = 0.0;
if (EndTime != DateTime.MinValue)
{
maxTime = EndTime.ToOADate();
}
else
{
maxTime = Points[Points.Count - 1].X;
}
double timeInterval = (maxTime - minTime) / PointsMaximum;
double peakValue = 0;
double peakValueTime = 0;
double troughValue = Points[0].Y1;
double troughValueTime = Points[0].X;
double timePeriod = minTime + timeInterval;
double runningTotal = 0.0;
int pointCount = 0;
DateTime startTime = DateTime.FromOADate(minTime);
DateTime endTime = DateTime.FromOADate(maxTime);
//switch (DataPointCombiningMode)
//{
// case CombiningModeOptions.TroughAndPeak:
// foreach (OratorDataPoint dataPoint in Points)
// {
// if (dataPoint.Y1 >= peakValue)
// {
// peakValue = dataPoint.Y1;
// peakValueTime = dataPoint.X;
// }
// else if (dataPoint.Y1 <= troughValue)
// {
// troughValue = dataPoint.Y1;
// troughValueTime = dataPoint.X;
// }
// if (dataPoint.X >= timePeriod)
// {
// if (troughValueTime < peakValueTime)
// {
// resultList.Add(new OratorDataPoint(troughValueTime, troughValue));
// resultList.Add(new OratorDataPoint(peakValueTime, peakValue));
// }
// else
// {
// resultList.Add(new OratorDataPoint(peakValueTime, peakValue));
// resultList.Add(new OratorDataPoint(troughValueTime, troughValue));
// }
// peakValue = 0;
// troughValue = dataPoint.Y1;
// troughValueTime = dataPoint.X;
// timePeriod += timeInterval;
// }
// }
// //Last point
// if (troughValueTime < peakValueTime)
// {
// resultList.Add(new OratorDataPoint(troughValueTime, troughValue));
// resultList.Add(new OratorDataPoint(peakValueTime, peakValue));
// }
// else
// {
// resultList.Add(new OratorDataPoint(peakValueTime, peakValue));
// resultList.Add(new OratorDataPoint(troughValueTime, troughValue));
// }
// break;
// case CombiningModeOptions.Average:
// foreach (OratorDataPoint dataPoint in Points)
// {
// pointCount++;
// runningTotal += dataPoint.Y1;
// if (dataPoint.X >= timePeriod)
// {
// double timeStamp = timePeriod - (timeInterval / 2);
// resultList.Add(new OratorDataPoint(timeStamp, runningTotal / (double)pointCount));
// pointCount = 0;
// runningTotal = 0.0;
// timePeriod += timeInterval;
// }
// }
// break;
//}
//foreach (OratorDataPoint dataPoint in Points)
//{
// switch (DataPointCombiningMode)
// {
// case CombiningModeOptions.TroughAndPeak:
// if (dataPoint.Y1 >= peakValue)
// {
// peakValue = dataPoint.Y1;
// peakValueTime = dataPoint.X;
// }
// else if (dataPoint.Y1 <= troughValue)
// {
// troughValue = dataPoint.Y1;
// troughValueTime = dataPoint.X;
// }
// if (dataPoint.X >= timePeriod)
// {
// if (troughValueTime < peakValueTime)
// {
// resultList.Add(new OratorDataPoint(troughValueTime, troughValue));
// resultList.Add(new OratorDataPoint(peakValueTime, peakValue));
// }
// else
// {
// resultList.Add(new OratorDataPoint(peakValueTime, peakValue));
// resultList.Add(new OratorDataPoint(troughValueTime, troughValue));
// }
// peakValue = 0;
// troughValue = dataPoint.Y1;
// troughValueTime = dataPoint.X;
// timePeriod += timeInterval;
// }
// break;
// case CombiningModeOptions.Average:
// pointCount++;
// runningTotal += dataPoint.Y1;
// if (dataPoint.X >= timePeriod)
// {
// double timeStamp = timePeriod - (timeInterval / 2);
// resultList.Add(new OratorDataPoint(timeStamp, runningTotal / (double)pointCount));
// pointCount = 0;
// runningTotal = 0.0;
// timePeriod += timeInterval;
// }
// break;
// }
//}
#region fix the Bug70964 by Zhao xingman
switch (DataPointCombiningMode)
{
case CombiningModeOptions.TroughAndPeak:
foreach (OratorDataPoint dataPoint in Points)
{
if (dataPoint.Y1 >= peakValue)
{
peakValue = dataPoint.Y1;
peakValueTime = dataPoint.X;
}
else if (dataPoint.Y1 <= troughValue)
{
troughValue = dataPoint.Y1;
troughValueTime = dataPoint.X;
}
if (dataPoint.X >= timePeriod)
{
if (troughValueTime < peakValueTime)
{
resultList.Add(new OratorDataPoint(troughValueTime, troughValue));
resultList.Add(new OratorDataPoint(peakValueTime, peakValue));
}
else
{
resultList.Add(new OratorDataPoint(peakValueTime, peakValue));
resultList.Add(new OratorDataPoint(troughValueTime, troughValue));
}
peakValue = 0;
troughValue = dataPoint.Y1;
troughValueTime = dataPoint.X;
timePeriod += timeInterval;
}
}
break;
case CombiningModeOptions.Average:
int pointIndex = 0;
int pointNumber = 1;
while (pointNumber <= PointsMaximum)
{
timePeriod = minTime + timeInterval * pointNumber;
pointCount = 0;
runningTotal = 0.0;
for (int i = pointIndex; i < Points.Count; i++)
{
OratorDataPoint dataPoint = Points[i];
if (dataPoint.X <= timePeriod)
{
pointCount++;
runningTotal += dataPoint.Y1;
}
else
{
double timeStamp = timePeriod - (timeInterval / 2);
double y1 = 0;
if (pointCount > 0)
{
y1 = runningTotal / (double)pointCount;
}
resultList.Add(new OratorDataPoint(timeStamp, y1));
pointIndex = i;
break;
}
}
if (pointIndex >= Points.Count)
{
double timeStamp = timePeriod - (timeInterval / 2);
resultList.Add(new OratorDataPoint(timeStamp, 0d));
}
pointNumber++;
}
break;
}
#endregion
Points = resultList;
}
}
