using System;
using System.Collections.ObjectModel;
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.Samples
{
public partial class RoutingAroundRoadblocks : UserControl
{
private SimpleMarkerOverlay markerOverlay;
private SimpleMarkerOverlay roadblockOverlay;
private InMemoryFeatureLayer routeLayer;
private bool IsAddingRoadblocks;
private ObservableCollection avoidablePoints;
public RoutingAroundRoadblocks()
{
InitializeComponent();
this.Loaded += new RoutedEventHandler(RoutingAroundRoadblocks_Loaded);
}
void RoutingAroundRoadblocks_Loaded(object sender, RoutedEventArgs e)
{
Map1.MapUnit = GeographyUnit.DecimalDegree;
avoidablePoints = new ObservableCollection();
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(',');
RendMarker(new PointShape(double.Parse(startPointString[0], CultureInfo.InvariantCulture), double.Parse(startPointString[1], CultureInfo.InvariantCulture)), "start");
string[] endPointString = endCoordinate.Text.Split(',');
RendMarker(new PointShape(double.Parse(endPointString[0], CultureInfo.InvariantCulture), double.Parse(endPointString[1], CultureInfo.InvariantCulture)), "end");
roadblockOverlay = new SimpleMarkerOverlay();
Map1.Overlays.Add("roadblockOverlay", roadblockOverlay);
LayerOverlay routeOverlay = new LayerOverlay();
Map1.Overlays.Add("RouteOverlay", routeOverlay);
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;
routeOverlay.Layers.Add("routeLayer", routeLayer);
Map1.CurrentExtent = new RectangleShape(-97.723061113001549, 30.279563862407535, -97.7011528297679, 30.26396413477692);
Route();
}
private void btnAddRoadblock_Click(object sender, RoutedEventArgs e)
{
IsAddingRoadblocks = true;
}
private void btnStopAdding_Click(object sender, RoutedEventArgs e)
{
IsAddingRoadblocks = false;
}
private void btnRemove_Click(object sender, RoutedEventArgs e)
{
int count = roadblockOverlay.Markers.Count;
if (count > 0)
{
roadblockOverlay.Markers.RemoveAt(count - 1);
avoidablePoints.RemoveAt(count - 1);
Route();
}
}
private void btnClear_Click(object sender, RoutedEventArgs e)
{
roadblockOverlay.Markers.Clear();
avoidablePoints.Clear();
Route();
}
private void Map1_Click(object sender, MapClickEventArgs e)
{
if (IsAddingRoadblocks)
{
string position = String.Format("{0},{1}", e.WorldPointShape.X.ToString(CultureInfo.InvariantCulture), e.WorldPointShape.Y.ToString(CultureInfo.InvariantCulture));
avoidablePoints.Add(position);
GetclosestPointOnline(e.WorldPointShape);
Route();
}
}
private void GetRoute_Click(object sender, RoutedEventArgs e)
{
Route();
}
private void Route()
{
RouteAroundRoadblockService.RouteAroundRoadblocksClient client = new RouteAroundRoadblockService.RouteAroundRoadblocksClient();
client.GetRouteCompleted += new EventHandler(client_GetRouteCompleted);
client.GetRouteAsync(startCoordinate.Text, endCoordinate.Text, avoidablePoints);
}
void client_GetRouteCompleted(object sender, RouteAroundRoadblockService.GetRouteCompletedEventArgs e)
{
if (e.Error == null)
{
string wkt = e.Result;
routeLayer.InternalFeatures.Clear();
if (!String.IsNullOrEmpty(wkt))
{
LineShape route = LineShape.CreateShapeFromWellKnownData(wkt) as LineShape;
routeLayer.InternalFeatures.Add(new Feature(route));
}
else
{
MessageBox.Show("No Route Exist!");
}
Map1.Refresh();
}
}
private void GetclosestPointOnline(PointShape point)
{
GeoDataService.GeoDataGettingClient client = new CSharp_Silverlight_HowDoISamples.GeoDataService.GeoDataGettingClient();
client.GetCenterPointOnLineCompleted += new EventHandler(client_GetCenterPointOnLineCompleted);
string pointInString = String.Format("{0},{1}", point.X.ToString(CultureInfo.InvariantCulture), point.Y.ToString(CultureInfo.InvariantCulture));
client.GetCenterPointOnLineAsync(pointInString);
}
void client_GetCenterPointOnLineCompleted(object sender, CSharp_Silverlight_HowDoISamples.GeoDataService.GetCenterPointOnLineCompletedEventArgs e)
{
if (e.Error == null)
{
PointShape point = ConvertStringToPointShape(e.Result);
RendRoadblock(point);
Map1.Refresh();
}
}
private void RendRoadblock(PointShape pointShape)
{
Marker marker = new Marker(pointShape);
marker.ImageSource = new BitmapImage(new Uri("/theme/roadblock.png", UriKind.RelativeOrAbsolute));
marker.ImageOffsetX = -10;
marker.ImageOffsetY = -15;
roadblockOverlay.Markers.Add(marker);
}
private void RendMarker(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;
marker.ImageOffsetY = -10;
markerOverlay.Markers.Add(marker);
}
private PointShape ConvertStringToPointShape(string point)
{
string[] coordinates = point.Split(',');
double x = double.Parse(coordinates[0], CultureInfo.InvariantCulture);
double y = double.Parse(coordinates[1], CultureInfo.InvariantCulture);
return new PointShape(x, y);
}
}
}