using System;
using System.Globalization;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media.Imaging;
using ThinkGeo.MapSuite.SilverlightCore;
using ThinkGeo.MapSuite.SilverlightEdition;
namespace CSharp_Silverlight_HowDoISamples
{
public partial class GetShortestPathByCoordinates : UserControl
{
private SimpleMarkerOverlay markerOverlay;
private InMemoryFeatureLayer routeLayer;
public GetShortestPathByCoordinates()
{
InitializeComponent();
this.Loaded += new RoutedEventHandler(GetShortestPathByCoordinates_Loaded);
}
void GetShortestPathByCoordinates_Loaded(object sender, RoutedEventArgs e)
{
Map1.MapUnit = GeographyUnit.DecimalDegree;
WorldMapKitWmsSilverlightOverlay baseOverlay = new WorldMapKitWmsSilverlightOverlay();
Map1.Overlays.Add(baseOverlay);
markerOverlay = new SimpleMarkerOverlay();
Map1.Overlays.Add("SimpleMarkerOverlay", markerOverlay);
// Add the start and end flag
string[] startPointString = startCoordinate.Text.Split(',');
RenderMarker(new PointShape(double.Parse(startPointString[0], CultureInfo.InvariantCulture), double.Parse(startPointString[1], CultureInfo.InvariantCulture)), "start");
string[] endPointString = endCoordinate.Text.Split(',');
RenderMarker(new PointShape(double.Parse(endPointString[0], CultureInfo.InvariantCulture), double.Parse(endPointString[1], CultureInfo.InvariantCulture)), "end");
routeLayer = new InMemoryFeatureLayer();
routeLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle = new LineStyle(new GeoPen(GeoColor.FromArgb(100, GeoColor.StandardColors.Purple), 5));
routeLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle.OuterPen.LineJoin = DrawingLineJoin.Round;
routeLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle.OuterPen.StartCap = GeoDashCap.Round;
routeLayer.ZoomLevelSet.ZoomLevel01.DefaultLineStyle.OuterPen.EndCap = GeoDashCap.Round;
routeLayer.ZoomLevelSet.ZoomLevel01.ApplyUntilZoomLevel = ApplyUntilZoomLevel.Level20;
LayerOverlay routeOverlay = new LayerOverlay();
routeOverlay.Layers.Add("routeLayer", routeLayer);
Map1.Overlays.Add("RouteOverlay", routeOverlay);
Map1.CurrentExtent = new RectangleShape(-97.748300699833, 30.298843580812, -97.704999117497, 30.265927511782);
}
private void GetRoute_Click(object sender, RoutedEventArgs e)
{
GeoDataService.GeoDataGettingClient client = new CSharp_Silverlight_HowDoISamples.GeoDataService.GeoDataGettingClient();
client.GetRouteByCoordinateCompleted += new EventHandler(client_GetRouteByCoordinateCompleted);
client.GetRouteByCoordinateAsync(startCoordinate.Text, endCoordinate.Text);
}
void client_GetRouteByCoordinateCompleted(object sender, CSharp_Silverlight_HowDoISamples.GeoDataService.GetRouteByCoordinateCompletedEventArgs e)
{
if (e.Error == null)
{
string wkt = e.Result;
LineShape route = LineShape.CreateShapeFromWellKnownData(wkt) as LineShape;
routeLayer.InternalFeatures.Clear();
routeLayer.InternalFeatures.Add(new Feature(route));
Map1.Refresh();
}
}
private void RenderMarker(PointShape pointShape, string renderTag)
{
Marker marker = new Marker(pointShape);
if (renderTag == "start")
{
marker.ImageSource = new BitmapImage(new Uri("/theme/StartpointMarker.png", UriKind.RelativeOrAbsolute));
}
else if (renderTag == "end")
{
marker.ImageSource = new BitmapImage(new Uri("/theme/EndpointMarker.png", UriKind.RelativeOrAbsolute));
}
marker.ImageOffsetY = -10;
markerOverlay.Markers.Add(marker);
Map1.Refresh();
}
}
}