protected static void LoadPositionalData(PositionalDataShape shape, XmlReader reader)
{
string timeStr = reader.GetStringAttribute("time");
Match m = timeRe.Match(reader.GetStringAttribute("time"));
if (!m.Success)
{
throw new System.IO.InvalidDataException("\"" + timeStr + "\" is not a valid time value.");
}
int hours = 0, minutes = int.Parse(m.Groups[2].Value, CultureInfo.InvariantCulture), seconds = 0;
if (m.Groups[3].Success)
{
hours = minutes;
minutes = int.Parse(m.Groups[3].Value, CultureInfo.InvariantCulture);
if (m.Groups[4].Success)
{
seconds = int.Parse(m.Groups[4].Value, CultureInfo.InvariantCulture);
}
}
shape.Time = new TimeSpan(hours, minutes, seconds);
if (m.Groups[1].Success)
{
shape.Time = -shape.Time;
}
}
public PositionalDataForm(PositionalDataShape posData, UnitSystem unitSystem) : this()
{
this.unitSystem = unitSystem;
txtTime.Text = ManeuveringBoard.GetTimeString(posData.Time);
txtTime.Focus();
txtTime.SelectAll();
Text = grpObservation.Text = (posData is Waypoint ? "Waypoint" : "Observation") + " Data";
PositionalDataShape previousPosition = null;
UnitShape observer = posData is Observation ? ((Observation)posData).Observer : null;
for (int index = posData.Parent.Children.IndexOf(posData) - 1; index >= 0; index--)
{
previousPosition = posData.Parent.Children[index] as PositionalDataShape;
if (previousPosition != null && previousPosition.GetType() == posData.GetType() &&
(!(previousPosition is Observation) || ((Observation)previousPosition).Observer == observer))
{
break;
}
else
{
previousPosition = null;
}
}
if (previousPosition != null)
{
previousTime = previousPosition.Time;
}
if (posData is BearingObservation)
{
double bearing = ((BearingObservation)posData).Bearing;
grpPrevious.Enabled = false;
grpObserved.Enabled = false;
txtObserverDistance.Enabled = false;
txtObserverBearing.Text = (bearing * MathConst.RadiansToDegrees).ToString("0.##");
txtObserverBearing.Tag = bearing;
txtObservedBearing.WasChanged = false; // ignore programmatic change
}
else
{
this.posDataPoint = posData.Position;
FillRelativeTo((UnitShape)posData.Parent, txtObservedBearing, txtObservedDistance, out observedPoint);
if (posData is PointObservation)
{
FillRelativeTo(observer, txtObserverBearing, txtObserverDistance, out observerPoint);
}
else
{
grpObserver.Enabled = false;
grpObserved.Text = "Relative to Unit";
}
if (previousPosition == null)
{
grpPrevious.Enabled = false;
}
else
{
FillRelativeTo(previousPosition, txtPreviousBearing, txtPreviousDistance, out previousPoint);
}
waypoint = posData is Waypoint;
if (waypoint)
{
waypointTimes = posData.Parent.Children.OfType <Waypoint>().Where(w => w != posData).Select(w => w.Time).ToList();
}
}
}
internal void SortChildren()
{
// we'll sort the observations based on observer, type, and time, to allow observations to find the adjacent observations in a
// chain just by taking the observations at adjacent indices
// make note of the indexes of all the items
int[] indexes = new int[Children.Count];
for (int i = 0; i < indexes.Length; i++)
{
indexes[i] = i;
}
// sort the indexes
Dictionary <UnitShape, int> observerNumbers = new Dictionary <UnitShape, int>();
Array.Sort(indexes, (ai, bi) =>
{
// first sort observations after non-observations
PositionalDataShape a = Children[ai] as PositionalDataShape, b = Children[bi] as PositionalDataShape;
if (a == null)
{
return(b == null ? ai - bi : -1); // maintain the order between other types of shapes
}
else if (b == null)
{
return(1);
}
// then sort observations by type
Type aType = a.GetType(), bType = b.GetType();
if (aType != bType)
{
return(aType.Name.CompareTo(bType.Name));
}
// then sort by observer
if (aType != typeof(Waypoint))
{
Observation oa = (Observation)a, ob = (Observation)b;
if (oa.Observer != ob.Observer)
{
if (!observerNumbers.ContainsKey(oa.Observer))
{
observerNumbers.Add(oa.Observer, observerNumbers.Count);
}
if (!observerNumbers.ContainsKey(ob.Observer))
{
observerNumbers.Add(ob.Observer, observerNumbers.Count);
}
return(observerNumbers[oa.Observer] - observerNumbers[ob.Observer]);
}
}
// then sort by time
return(a.Time.CompareTo(b.Time));
});
int[] backIndexes = new int[indexes.Length];
for (int i = 0; i < backIndexes.Length; i++)
{
backIndexes[indexes[i]] = i;
}
for (int i = 0; i < indexes.Length; i++)
{
if (indexes[i] != i)
{
Children.Swap(i, indexes[i]);
indexes[backIndexes[i]] = indexes[i];
backIndexes[indexes[i]] = backIndexes[i];
}
}
}