public VehicleViewModel(Vehicle vehicle, MapModel mapModel)
: base()
{
this.vehicle = vehicle;
this.ownerName = vehicle.Name;
this.mapModel = mapModel;
this.iconUri = string.Format(CultureInfo.InvariantCulture, vehicleImageFormat, vehicle.IconPath);
this.Load();
}
private Vehicle GetCurrentVehicle(int vehicleId, DateTime currentTime, TimeSpan trackHistoryVehicleTimeSpan)
{
string sql = "SELECT A.VehicleName, A.VehicleID, A.VehicleIconVirtualPath, B.Longitude, B.Latitude, B.[Date], B.Speed FROM (Vehicle A LEFT OUTER JOIN Location B ON A.VehicleID = B.VehicleID) WHERE (A.VehicleID = {0}) AND (B.[Date] <= #{1}# and B.[Date]>=#{2}#) ORDER BY A.VehicleID, B.[Date] DESC";
DateTime trackStartTime = currentTime.AddTicks(-trackHistoryVehicleTimeSpan.Ticks);
sql = String.Format(CultureInfo.InvariantCulture, sql, vehicleId, currentTime.ToString(CultureInfo.InvariantCulture), trackStartTime.ToString(CultureInfo.InvariantCulture));
Vehicle currentVechicle = new Vehicle(vehicleId);
DataSet currentLocations = null;
try
{
// Get the locations from current time back to the passed time span
currentLocations = ExecuteQuery(sql);
Collection<double> historySpeeds = new Collection<double>();
for (int rowIndex = 0; rowIndex < currentLocations.Tables[0].Rows.Count; rowIndex++)
{
DataRow dataRow = currentLocations.Tables[0].Rows[rowIndex];
currentVechicle.IconPath = dataRow["VehicleIconVirtualPath"].ToString();
double latitude = Convert.ToDouble(dataRow["Latitude"], CultureInfo.InvariantCulture);
double longitude = Convert.ToDouble(dataRow["Longitude"], CultureInfo.InvariantCulture);
double speed = Convert.ToDouble(dataRow["Speed"], CultureInfo.InvariantCulture);
DateTime dateTime = Convert.ToDateTime(dataRow["Date"], CultureInfo.InvariantCulture);
Location currentLocation = new Location(longitude, latitude, speed, dateTime);
historySpeeds.Add(speed);
if (rowIndex == 0)
{
string vehicleName = dataRow["VehicleName"].ToString();
currentVechicle.Location = currentLocation;
currentVechicle.Id = vehicleId;
currentVechicle.Name = vehicleName;
}
else
{
currentVechicle.HistoryLocations.Add(currentLocation);
}
}
}
finally
{
if (currentLocations != null)
{
currentLocations.Dispose();
}
}
return currentVechicle;
}
private bool IsInSpatialFence(Vehicle vehicle)
{
InMemoryFeatureLayer spatialFenceLayer = (InMemoryFeatureLayer)mapModel.SpatialFenceOverlay.Layers["SpatialFenceLayer"];
// Get the point shape and then check if it is within any of the sptail fences using the QueryTools
PointShape pointShape = new PointShape(vehicle.Location.Longitude, vehicle.Location.Latitude);
bool isInSpatialFence = false;
lock (spatialFenceLayer)
{
spatialFenceLayer.Open();
Collection<Feature> spatialFencesWithin = spatialFenceLayer.QueryTools.GetFeaturesContaining(pointShape, ReturningColumnsType.NoColumns);
if (spatialFencesWithin.Count > 0)
{
isInSpatialFence = true;
}
}
return isInSpatialFence;
}
