private void OnZoomToVenue(object sender, MvxValueEventArgs <Venue> e)
{
EndSearch();
var annotation = GetAnnotationByVenue(ViewModel.SelectedVenueOnMap);
var shiftedCoord = annotation.Coordinate;
shiftedCoord.Latitude += 0.0008f;
VenuesMapView.SetRegion(
MapUtil.CoordinateRegionForCoordinates(shiftedCoord), true);
}
private void InitializeMapView()
{
if (ViewModel.OrgEvent != null &&
ViewModel.OrgEvent.Venues != null)
{
if (!_isMapViewInitialized)
{
VenuesMapView.RemoveAnnotations(VenuesMapView.Annotations);
if (!(VenuesMapView.WeakDelegate is MapDelegate))
{
var mapDelegate = new MapDelegate
{
SelectAnnotationCommand = ViewModel.SelectVenueOnMapCommand,
ShowDetailsCommand = ViewModel.NavigateVenueCommand
};
VenuesMapView.Delegate = mapDelegate;
}
var annotations = ViewModel.OrgEvent.Venues
.SelectMany(v => v.Info.Addresses
.Select(a => new VenueAnnotation(v, a))).ToArray();
var coordinates = MapUtil.GetAnnotationsCoordinates(annotations);
VenuesMapView.SetRegion(MapUtil.CoordinateRegionForCoordinates(coordinates, MapMargin), false);
VenuesMapView.AddAnnotations(annotations);
if (ViewModel.SelectedVenueOnMap != null)
{
SelectVenueMapAnnotation(ViewModel.SelectedVenueOnMap);
}
_isMapViewInitialized = true;
}
}
else
{
VenuesMapView.RemoveAnnotations(VenuesMapView.Annotations);
_isMapViewInitialized = false;
}
}
private void SelectVenueMapAnnotation(Venue venue)
{
if (venue != null)
{
var annotation = GetAnnotationByVenue(venue);
if (annotation != null)
{
VenuesMapView.SelectAnnotation(annotation, true);
}
}
else if (VenuesMapView.SelectedAnnotations != null &&
VenuesMapView.SelectedAnnotations.Any())
{
foreach (var annotation in VenuesMapView.SelectedAnnotations)
{
VenuesMapView.DeselectAnnotation(annotation, false);
}
var annotations = VenuesMapView.Annotations.OfType <VenueAnnotation>();
var coordinates = MapUtil.GetAnnotationsCoordinates(annotations);
VenuesMapView.SetRegion(MapUtil.CoordinateRegionForCoordinates(coordinates, MapMargin), true);
}
}