// TODO: this method is too big
public void createNew()
{
Debug.WriteLine("----- createCurrentView -----", ToString());
// container to keep map parts which create current map view
Hashtable viewParts = new Hashtable();
// get current gps coordinates
double latitude = this.currentGpsLocation.getLatitude();
double longitude = this.currentGpsLocation.getLongitude();
//Debug.WriteLine("latitude: " + latitude + ", longitude: " + longitude, this.ToString());
// get point which indicates part image for the location
Point partPoint = this.currentMapPkg.getPartPoint(latitude, longitude);
Debug.WriteLine("partPoint: " + PointUtil.pointStr(partPoint), ToString());
// get location (pixel coordinates) inside part image
Point insidePartPosition = this.currentMapPkg.getInsidePartPosition(latitude, longitude);
//Debug.WriteLine("insidePartPosition: (" + insidePartPosition.X + "; " + insidePartPosition.Y + ")", this.ToString());
// add center MapView point
Point centerViewPoint = new Point(1, 1);
viewParts[centerViewPoint] = this.currentMapPkg.getPart(partPoint);
// map view has only sense when there is center map part
if (viewParts[centerViewPoint] == null)
{
Debug.WriteLine("Can't get center part! viewParts[centerViewPoint] is null - skipping.", this.ToString());
// return when center part is null
this.currentMapVeiw = null;
return;
}
// add neighbours of center point
foreach (DictionaryEntry entry in this.pointSurroundings)
{
Point directionPoint = (Point)entry.Value;
Debug.WriteLine("directionPoint: " + PointUtil.pointStr(directionPoint), ToString());
Point viewNeighbour = PointMath.addPoints(centerViewPoint, directionPoint);
Point mapNeighbour = PointMath.addPoints(partPoint, directionPoint);
try
{
viewParts[viewNeighbour] = this.currentMapPkg.getPart(mapNeighbour);
if (viewParts[viewNeighbour] == null)
{
Debug.WriteLine("looking for view neighbour:", this.ToString());
MapPackage neighbourPkg = null;
int neighbourDirectionX = 0;
if (mapNeighbour.X > this.currentMapPkg.getMaxX())
{
neighbourDirectionX = 1;
}
if (mapNeighbour.X < 0)
{
neighbourDirectionX = -1;
}
int neighbourDirectionY = 0;
if (mapNeighbour.Y > this.currentMapPkg.getMaxY())
{
neighbourDirectionY = 1;
}
if (mapNeighbour.Y < 0)
{
neighbourDirectionY = -1;
}
Point neighbourDirection = new Point(neighbourDirectionX, neighbourDirectionY);
try
{
Debug.WriteLine(" trying to get neighbour pkg for neighbour point: " + PointUtil.pointStr(neighbourDirection), ToString());
// get neighbour map package
neighbourPkg = this.mapPkgRepository.getNeighbourMapPkg(this.currentMapPkg,
neighbourDirection, this.currentZoom);
}
catch (MapNotFoundException e)
{
Debug.WriteLine(" Can't get neighbour pkg for: " + this.currentMapPkg
+ ", dircetion: (" + directionPoint.X + "; " + directionPoint.Y + "), ERROR: " + e.Message, this.ToString());
}
if (neighbourPkg != null)
{
if (mapNeighbour.X > this.currentMapPkg.getMaxX())
{
mapNeighbour.X = 0;
}
if (mapNeighbour.X < 0)
{
mapNeighbour.X = neighbourPkg.getMaxX();
}
if (mapNeighbour.Y > this.currentMapPkg.getMaxY())
{
mapNeighbour.Y = 0;
}
if (mapNeighbour.Y < 0)
{
mapNeighbour.Y = neighbourPkg.getMaxY();
}
Debug.WriteLine(" getting map part from neighbour pkg for point: " + PointUtil.pointStr(mapNeighbour), this.ToString());
viewParts[viewNeighbour] = neighbourPkg.getPart(mapNeighbour);
}
}
else
{
Debug.WriteLine("view neighbour ok", this.ToString());
}
}
catch (Exception e)
{
Debug.WriteLine("Can't get neighbour(" + entry.Key + ")! ERROR: " + e.Message, this.ToString());
}
}
// create map view
MapView mapView = new MapView(this.currentGpsLocation, insidePartPosition,
viewParts, this.orderingPoints);
mapView.setLatitudePerPixel(this.currentMapPkg.getLatitudePerPixel());
mapView.setLongitudePerPixel(this.currentMapPkg.getLongitudePerPixel());
Area mapViewArea = createMapViewArea(mapView);
Area centerImgArea = createMapViewAreaForCenterImg(mapView);
mapView.setArea(mapViewArea);
mapView.setCenterImgArea(centerImgArea);
Debug.WriteLine("-----------------------------\n", ToString());
this.currentMapVeiw = mapView;
}