public void Attach( DependencyObject associatedObject )
{
if ( DesignMode.DesignModeEnabled )
{
return;
}
AssociatedObject = associatedObject;
_map = (MapControl) associatedObject;
_labelsOverlay = new Image();
_labelsOverlay.ImageOpened += ( _, __ ) =>
{
Geopoint topLeft;
_map.GetLocationFromOffset( new Point( 0, 0 ), out topLeft );
MapControl.SetLocation( _labelsOverlay, topLeft );
_labelsOverlay.Visibility = Visibility.Visible;
};
_map.Children.Add( _labelsOverlay );
_map.Loaded += ( _, __ ) =>
{
_vm = (MainViewModel) _map.DataContext;
OnFloorChanged( _vm.Properties.Floor );
OnItemsChanged( _vm.SearchResults );
_properties = _vm.Properties;
_vm.Properties.ListenToProperty( x => x.Center, UpdateLabelsOverlay );
_vm.Properties.ListenToProperty( x => x.Floor, UpdateLabelsOverlay );
_vm.Properties.ListenToProperty( x => x.ZoomLevel, UpdateLabelsOverlay );
UpdateLabelsOverlay();
_vm.Properties.ListenToProperty( x => x.Floor, () => OnFloorChanged( _vm.Properties.Floor ) );
_vm.ListenToProperty( x => x.SearchResults, () => OnItemsChanged( _vm.SearchResults ) );
var buildingsDataSource = EpflTileSources.GetForBuildings( _vm.Properties );
_map.TileSources.Add( new MapTileSource( buildingsDataSource ) );
};
// HACK: Force the map to always face North, so that buildings labels are shown properly.
_map.HeadingChanged += ( _, __ ) => _map.Heading = 0;
}