/// <summary>
/// Load the map data from the properties retreived
/// </summary>
private void LoadMapData()
{
// value to determin where to zoom in
var topLeft = new CLLocationCoordinate2D(-90, 180);
var bottomRight = new CLLocationCoordinate2D(90, -180);
// loop through all the properties and add them to the list
foreach (var item in Properties)
{
// create the pin and add the annoation
var pin = new HeritagePropertyAnnotation(item);
_mapView.AddAnnotation(pin);
// determin the topleft and right
topLeft.Longitude = Math.Min(topLeft.Longitude, pin.Coordinate.Longitude);
topLeft.Latitude = Math.Max(topLeft.Latitude, pin.Coordinate.Latitude);
bottomRight.Longitude = Math.Max(bottomRight.Longitude, pin.Coordinate.Longitude);
bottomRight.Latitude = Math.Min(bottomRight.Latitude, pin.Coordinate.Latitude);
}
// zoom in on the annotations
var region = new MKCoordinateRegion();
region.Center = new CLLocationCoordinate2D(
topLeft.Latitude - (topLeft.Latitude - bottomRight.Latitude) * 0.5,
topLeft.Longitude + (bottomRight.Longitude - topLeft.Longitude) * 0.5);
region.Span.LatitudeDelta = Math.Abs(topLeft.Latitude - bottomRight.Latitude) * 1.1;
region.Span.LongitudeDelta = Math.Abs(bottomRight.Longitude - topLeft.Longitude) * 1.1;
// set the region
region = _mapView.RegionThatFits(region);
_mapView.SetRegion(region, true);
}
public void ShowUserAndDestinationOnMap()
{
var maxLat = Math.Max(_userLocation.Latitude, _destination.Latitude);
var maxLon = Math.Max(_userLocation.Longitude, _destination.Longitude);
var minLat = Math.Min(_userLocation.Latitude, _destination.Latitude);
var minLon = Math.Min(_userLocation.Longitude, _destination.Longitude);
var mapMargin = 1.5;
var leastCoordspan = 0.005;
var span_x = Math.Max(leastCoordspan, Math.Abs(maxLat - minLat) * mapMargin);
var span_y = Math.Max(leastCoordspan, Math.Abs(maxLon - minLon) * mapMargin);
var span = new MKCoordinateSpan(span_x, span_y);
var center = new CLLocationCoordinate2D((maxLat + minLat) / 2, (maxLon + minLon) / 2);
var region = new MKCoordinateRegion(center, span);
_mapView.SetRegion(_mapView.RegionThatFits(region), true);
}
//zoom
public void ZoomIn()
{
//Zoom in
// user location
var userCoord = new CLLocationCoordinate2D {
Latitude = _userLocation.Latitude, Longitude = _userLocation.Longitude
};
// tracking location
var trackCoord = new CLLocationCoordinate2D {
Latitude = _trackCoordinate.Latitude, Longitude = _trackCoordinate.Longitude
};
List <CLLocationCoordinate2D> annotations = new List <CLLocationCoordinate2D> ();
annotations.Add(userCoord);
annotations.Add(trackCoord);
var tl = new CLLocationCoordinate2D(-90, 180);
//top left
var br = new CLLocationCoordinate2D(90, -180);
//bottom right
foreach (var anno in annotations)
{
tl.Longitude = Math.Min(tl.Longitude, anno.Longitude);
tl.Latitude = Math.Max(tl.Latitude, anno.Latitude);
br.Longitude = Math.Max(br.Longitude, anno.Longitude);
br.Latitude = Math.Min(br.Latitude, anno.Latitude);
}
var center = new CLLocationCoordinate2D {
Latitude = tl.Latitude - (tl.Latitude - br.Latitude) * 0.5, Longitude = tl.Longitude + (br.Longitude - tl.Longitude) * 0.5
};
var span = new MKCoordinateSpan {
LatitudeDelta = Math.Abs(tl.Latitude - br.Latitude) * 1.6, LongitudeDelta = Math.Abs(br.Longitude - tl.Longitude) * 1.6
};
var region = new MKCoordinateRegion {
Center = center, Span = span
};
region = _mapView.RegionThatFits(region);
_mapView.SetRegion(region, true);
}
public void BuildView()
{
if (mapView == null)
{
mapView = new MKMapView();
RectangleF frame = new RectangleF(0,0,320,367);
mapView.Frame = frame;
DV = new DistanceView();
frame = DV.View.Frame;
//frame.Y = mapView.Frame.Bottom;
frame.Y = -DV.View.Frame.Height;
DV.View.Frame = frame;
DV.TouchUpInside += delegate(object sender, EventArgs e) {
RemoveRouteAnnotation();
HideDistanceView();
};
mapView.RegionWillChange += delegate(object sender, MKMapViewChangeEventArgs e) {
if (routeView != null)
{
routeView.Hidden = true;
}
};
mapView.RegionChanged += delegate(object sender, MKMapViewChangeEventArgs e) {
if (routeView != null)
{
routeView.Hidden = false;
routeView.RegionChanged();
}
};
mapView.GetViewForAnnotation = delegate(MKMapView mapViewForAnnotation, NSObject annotation) {
if (annotation is MKUserLocation) return null;
if (annotation is CycleAnnotation)
{
var mapAnnotation = annotation as CycleAnnotation;
if (mapAnnotation == null) return null;
MKPinAnnotationView pinView = (MKPinAnnotationView)mapViewForAnnotation.DequeueReusableAnnotation(MapPin);
if (pinView == null)
{
pinView = new MKPinAnnotationView(mapAnnotation, MapPin);
} else {
pinView.Annotation = annotation;
}
int valueToCheck = 0;
if (CurrentDisplayMode == DisplayMode.Bikes)
{
valueToCheck = mapAnnotation.Bike.BikesAvailable;
} else {
valueToCheck = mapAnnotation.Bike.DocksAvailable;
}
if ((valueToCheck < 5 && valueToCheck != -1)) {
if (valueToCheck == 0)
{
pinView.PinColor = MKPinAnnotationColor.Red;
} else {
pinView.PinColor = MKPinAnnotationColor.Purple;
}
} else {
pinView.PinColor = MKPinAnnotationColor.Green;
}
mapAnnotation.PinView = pinView;
pinView.CanShowCallout = true;
return pinView;
}
if (annotation is CSRouteAnnotation)
{
var routeAnnotation = annotation as CSRouteAnnotation;
MKAnnotationView annotationView = null;
if (annotationView == null)
{
routeView = new CSRouteView(new RectangleF (0,0, mapView.Frame.Size.Width, mapView.Frame.Size.Height));
routeView.Annotation = routeAnnotation;
routeView.MapView = mapViewForAnnotation;
annotationView = routeView;
}
return annotationView;
}
return null;
};
List<MKAnnotation> locations = new List<MKAnnotation>();
double minLon = 200, minLat = 200, maxLon = -200, maxLat = -200;
foreach(var bike in BikeLocation.AllBikes)
{
if (bike.Location.Longitude < minLon) minLon = bike.Location.Longitude;
if (bike.Location.Latitude < minLat) minLat = bike.Location.Latitude;
if (bike.Location.Longitude < maxLon) maxLon = bike.Location.Longitude;
if (bike.Location.Latitude > maxLat) maxLat = bike.Location.Latitude;
locations.Add(new CycleAnnotation(bike));
}
if (locations.Count > 0)
{
mapView.AddAnnotation(locations.ToArray());
var tl = new CLLocationCoordinate2D(-90, 180);
var br = new CLLocationCoordinate2D(90, -180);
foreach(MKAnnotation an in mapView.Annotations)
{
tl.Longitude = Math.Min(tl.Longitude, an.Coordinate.Longitude);
tl.Latitude = Math.Max(tl.Latitude, an.Coordinate.Latitude);
br.Longitude = Math.Max(br.Longitude, an.Coordinate.Longitude);
br.Latitude = Math.Min(br.Latitude, an.Coordinate.Latitude);
}
var center = new CLLocationCoordinate2D {
Latitude = tl.Latitude - (tl.Latitude - br.Latitude) *0.5,
Longitude = tl.Longitude - (tl.Longitude - br.Longitude) *0.5
};
var span = new MKCoordinateSpan
{
LatitudeDelta = Math.Abs(tl.Latitude - br.Latitude) *0.5,
LongitudeDelta = Math.Abs(tl.Longitude - br.Longitude) *0.5
};
MKCoordinateRegion region = new MKCoordinateRegion (center, span );
region = mapView.RegionThatFits(region);
mapView.SetRegion(region, true);
}
mapView.ShowsUserLocation = true;
View.AddSubview(mapView);
}
}
public void BuildView()
{
if (mapView == null)
{
mapView = new MKMapView();
RectangleF frame = new RectangleF(0, 0, 320, 367);
mapView.Frame = frame;
DV = new DistanceView();
frame = DV.View.Frame;
//frame.Y = mapView.Frame.Bottom;
frame.Y = -DV.View.Frame.Height;
DV.View.Frame = frame;
DV.TouchUpInside += delegate(object sender, EventArgs e) {
RemoveRouteAnnotation();
HideDistanceView();
};
mapView.RegionWillChange += delegate(object sender, MKMapViewChangeEventArgs e) {
if (routeView != null)
{
routeView.Hidden = true;
}
};
mapView.RegionChanged += delegate(object sender, MKMapViewChangeEventArgs e) {
if (routeView != null)
{
routeView.Hidden = false;
routeView.RegionChanged();
}
};
mapView.GetViewForAnnotation = delegate(MKMapView mapViewForAnnotation, NSObject annotation) {
if (annotation is MKUserLocation)
{
return(null);
}
if (annotation is CycleAnnotation)
{
var mapAnnotation = annotation as CycleAnnotation;
if (mapAnnotation == null)
{
return(null);
}
MKPinAnnotationView pinView = (MKPinAnnotationView)mapViewForAnnotation.DequeueReusableAnnotation(MapPin);
if (pinView == null)
{
pinView = new MKPinAnnotationView(mapAnnotation, MapPin);
}
else
{
pinView.Annotation = annotation;
}
int valueToCheck = 0;
if (CurrentDisplayMode == DisplayMode.Bikes)
{
valueToCheck = mapAnnotation.Bike.BikesAvailable;
}
else
{
valueToCheck = mapAnnotation.Bike.DocksAvailable;
}
if ((valueToCheck < 5 && valueToCheck != -1))
{
if (valueToCheck == 0)
{
pinView.PinColor = MKPinAnnotationColor.Red;
}
else
{
pinView.PinColor = MKPinAnnotationColor.Purple;
}
}
else
{
pinView.PinColor = MKPinAnnotationColor.Green;
}
mapAnnotation.PinView = pinView;
pinView.CanShowCallout = true;
return(pinView);
}
if (annotation is CSRouteAnnotation)
{
var routeAnnotation = annotation as CSRouteAnnotation;
MKAnnotationView annotationView = null;
if (annotationView == null)
{
routeView = new CSRouteView(new RectangleF(0, 0, mapView.Frame.Size.Width, mapView.Frame.Size.Height));
routeView.Annotation = routeAnnotation;
routeView.MapView = mapViewForAnnotation;
annotationView = routeView;
}
return(annotationView);
}
return(null);
};
List <MKAnnotation> locations = new List <MKAnnotation>();
double minLon = 200, minLat = 200, maxLon = -200, maxLat = -200;
foreach (var bike in BikeLocation.AllBikes)
{
if (bike.Location.Longitude < minLon)
{
minLon = bike.Location.Longitude;
}
if (bike.Location.Latitude < minLat)
{
minLat = bike.Location.Latitude;
}
if (bike.Location.Longitude < maxLon)
{
maxLon = bike.Location.Longitude;
}
if (bike.Location.Latitude > maxLat)
{
maxLat = bike.Location.Latitude;
}
locations.Add(new CycleAnnotation(bike));
}
if (locations.Count > 0)
{
mapView.AddAnnotation(locations.ToArray());
var tl = new CLLocationCoordinate2D(-90, 180);
var br = new CLLocationCoordinate2D(90, -180);
foreach (MKAnnotation an in mapView.Annotations)
{
tl.Longitude = Math.Min(tl.Longitude, an.Coordinate.Longitude);
tl.Latitude = Math.Max(tl.Latitude, an.Coordinate.Latitude);
br.Longitude = Math.Max(br.Longitude, an.Coordinate.Longitude);
br.Latitude = Math.Min(br.Latitude, an.Coordinate.Latitude);
}
var center = new CLLocationCoordinate2D {
Latitude = tl.Latitude - (tl.Latitude - br.Latitude) * 0.5,
Longitude = tl.Longitude - (tl.Longitude - br.Longitude) * 0.5
};
var span = new MKCoordinateSpan
{
LatitudeDelta = Math.Abs(tl.Latitude - br.Latitude) * 0.5,
LongitudeDelta = Math.Abs(tl.Longitude - br.Longitude) * 0.5
};
MKCoordinateRegion region = new MKCoordinateRegion(center, span);
region = mapView.RegionThatFits(region);
mapView.SetRegion(region, true);
}
mapView.ShowsUserLocation = true;
View.AddSubview(mapView);
}
}
