private async void MyMap_MouseClick(object sender, ESRI.ArcGIS.Client.Map.MouseEventArgs e)
{
try
{
if (_cts != null)
{
_cts.Cancel();
}
_cts = new CancellationTokenSource();
Graphic stop = new Graphic()
{
Geometry = e.MapPoint
};
_stopsGraphicsLayer.Graphics.Add(stop);
if (_stopsGraphicsLayer.Graphics.Count > 1)
{
if (_routeTask.IsBusy)
{
_cts.Cancel();
_stopsGraphicsLayer.Graphics.RemoveAt(_stopsGraphicsLayer.Graphics.Count - 1);
}
SolveRouteResult result = await _routeTask.SolveTaskAsync(_routeParams, _cts.Token);
_routeGraphicsLayer.Graphics.Clear();
_routeGraphicsLayer.Graphics.Add(result.RouteResults[0].Route);
}
}
catch (Exception ex)
{
_stopsGraphicsLayer.Graphics.RemoveAt(_stopsGraphicsLayer.Graphics.Count - 1);
if (ex is ServiceException)
{
MessageBox.Show(String.Format("{0}: {1}", (ex as ServiceException).Code.ToString(), (ex as ServiceException).Details[0]), "Error", MessageBoxButton.OK);
return;
}
}
}
private async void GetDirections_Click(object sender, RoutedEventArgs e)
{
try
{
if (_cts != null)
{
_cts.Cancel();
}
_cts = new CancellationTokenSource();
DirectionsStackPanel.Children.Clear();
_stops.Clear();
_routeGraphicsLayer.Graphics.Clear();
_activeSegmentGraphic = null;
//Geocode from address
LocatorTaskFindResult fromAddress = await _locator.FindTaskAsync(ParseSearchText(FromTextBox.Text), _cts.Token);
// if no result?
Graphic fromLocation = fromAddress.Result.Locations[0].Graphic;
fromLocation.Geometry.SpatialReference = MyMap.SpatialReference;
fromLocation.Attributes.Add("name", fromAddress.Result.Locations[0].Name);
_stops.Add(fromLocation);
fromLocation.Symbol = LayoutRoot.Resources["FromSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
_routeGraphicsLayer.Graphics.Add(fromLocation);
//Geocode to address
LocatorTaskFindResult toAddress = await _locator.FindTaskAsync(ParseSearchText(ToTextBox.Text), _cts.Token);
Graphic toLocation = toAddress.Result.Locations[0].Graphic;
toLocation.Geometry.SpatialReference = MyMap.SpatialReference;
toLocation.Attributes.Add("name", toAddress.Result.Locations[0].Name);
_stops.Add(toLocation);
toLocation.Symbol = LayoutRoot.Resources["ToSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol;
_routeGraphicsLayer.Graphics.Add(toLocation);
//Get route between from and to
_routeParams.OutSpatialReference = MyMap.SpatialReference;
SolveRouteResult solveRouteResult = await _routeTask.SolveTaskAsync(_routeParams, _cts.Token);
RouteResult routeResult = solveRouteResult.RouteResults[0];
_directionsFeatureSet = routeResult.Directions;
_routeGraphicsLayer.Graphics.Add(new Graphic()
{
Geometry = _directionsFeatureSet.MergedGeometry, Symbol = LayoutRoot.Resources["RouteSymbol"] as ESRI.ArcGIS.Client.Symbols.Symbol
});
TotalDistanceTextBlock.Text = string.Format("Total Distance: {0}", FormatDistance(_directionsFeatureSet.TotalLength, "miles"));
TotalTimeTextBlock.Text = string.Format("Total Time: {0}", FormatTime(_directionsFeatureSet.TotalTime));
TitleTextBlock.Text = _directionsFeatureSet.RouteName;
int i = 1;
foreach (Graphic graphic in _directionsFeatureSet.Features)
{
System.Text.StringBuilder text = new System.Text.StringBuilder();
text.AppendFormat("{0}. {1}", i, graphic.Attributes["text"]);
if (i > 1 && i < _directionsFeatureSet.Features.Count)
{
string distance = FormatDistance(Convert.ToDouble(graphic.Attributes["length"]), "miles");
string time = null;
if (graphic.Attributes.ContainsKey("time"))
{
time = FormatTime(Convert.ToDouble(graphic.Attributes["time"]));
}
if (!string.IsNullOrEmpty(distance) || !string.IsNullOrEmpty(time))
{
text.Append(" (");
}
text.Append(distance);
if (!string.IsNullOrEmpty(distance) && !string.IsNullOrEmpty(time))
{
text.Append(", ");
}
text.Append(time);
if (!string.IsNullOrEmpty(distance) || !string.IsNullOrEmpty(time))
{
text.Append(")");
}
}
TextBlock textBlock = new TextBlock()
{
Text = text.ToString(), Tag = graphic, Margin = new Thickness(4), Cursor = Cursors.Hand
};
textBlock.MouseLeftButtonDown += new MouseButtonEventHandler(directionsSegment_MouseLeftButtonDown);
DirectionsStackPanel.Children.Add(textBlock);
i++;
}
MyMap.ZoomTo(Expand(_directionsFeatureSet.Extent));
}
catch (Exception ex)
{
if (ex is ServiceException)
{
MessageBox.Show(String.Format("{0}: {1}", (ex as ServiceException).Code.ToString(), (ex as ServiceException).Details[0]), "Error", MessageBoxButton.OK);
return;
}
}
}