/// <summary>
/// End of a draw operation - is tool depended
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void DrawComplete(object sender, DrawEventArgs args)
{
try
{
if (currentCommand.Equals("Info") || currentCommand.Equals("AddressInfo"))
{
// Use ESRI API for Info
Point screenPoint =
gisOperations.GetMap().MapToScreen(args.Geometry as MapPoint);
GeneralTransform generalTransform =
gisOperations.GetMap().TransformToVisual(Application.Current.RootVisual);
Point transformScreenPnt = generalTransform.Transform(screenPoint);
IEnumerable<Graphic> selected = null;
Graphic result = null;
FeatureLayer featureLayer = null;
if (currentCommand.Equals("Info"))
{
var selectedLayers = from l in gisOperations.GetLayersData()
where l.Selection
select l;
foreach (var item in selectedLayers)
{
var layer = (from f in gisOperations.GetMap().Layers
where f.ID.Equals(item.LayerName)
select f).FirstOrDefault();
if (layer.GetType() == typeof(FeatureLayer))
{
featureLayer = layer as FeatureLayer;
selected = featureLayer.FindGraphicsInHostCoordinates(transformScreenPnt);
if (selected != null && selected.Count() > 0)
{
// return only one item, the first
result = selected.FirstOrDefault(g => g.Attributes.Count > 0);
if (result != null && result.Attributes != null)
{
break;
}
else
result = null;
}
}
}
gisOperations.SetDrawMode(DrawMode.None);
gisOperations.ResetCompleteDrawEvent(DrawComplete);
}
else
{
// Address info, stop handling of points
gisOperations.SetDrawMode(DrawMode.None);
gisOperations.ResetCompleteDrawEvent(DrawComplete);
}
ResultInfoEventArgs resultEventArgs =
new ResultInfoEventArgs(screenPoint, args.Geometry as MapPoint, result == null)
{
LayerId = string.Empty
};
if (result != null)
{
resultEventArgs.Attributes = result.Attributes;
if (featureLayer != null)
resultEventArgs.LayerId = featureLayer.ID;
}
OnFinishedInfo(resultEventArgs);
}
else
{
gisOperations.MapZoom(currentCommand, args.Geometry);
gisOperations.SetDrawMode(DrawMode.Rectangle);
}
}
catch (Exception ex)
{
messageBoxCustom.Show(String.Format("DrawComplete /{0}", ex.Message),
GisTexts.SevereError,
MessageBoxCustomEnum.MessageBoxButtonCustom.Ok);
}
}
protected virtual void OnFinishedInfo(ResultInfoEventArgs e)
{
if (finishedInfo != null)
{
finishedInfo(this, e);
}
}
/// <summary>
/// Event handling for the info query
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void HandleResultQuery(object sender, ResultInfoEventArgs e)
{
if (e != null && !e.Error)
{
DisplayInfoResults(e);
}
}
private void HandleGeolocatorResults(object sender, ResultsGeoLocatorEventArgs geoLocatorResults)
{
//
if (geoLocatorResults.result != null && geoLocatorResults.result.Count > 0)
{
ResultInfoEventArgs e = new ResultInfoEventArgs(currentPosition, geoLocatorResults.result[0].Location, false)
{
Attributes = geoLocatorResults.result[0].Attributes,
LayerId = string.Empty
};
if (locationInputViewModel == null || locationInputViewModel.LocationsSelected.Count == 0)
DisplayInfoResults(e);
else
{
// Transfer the contents of the result to the stops list
locationInputViewModel.StopsVisibility = Visibility.Visible;
locationInputViewModel.RouteDirectionsVisibility = Visibility.Collapsed;
locationInputViewModel.SelectionVisibility = Visibility.Collapsed;
locationInputViewModel.LocationsSelected.Add(new GeoLocatorDetail()
{
Attributes = geoLocatorResults.result[0].Attributes,
Location = geoLocatorResults.result[0].Location,
Match = geoLocatorResults.result[0].Match,
Title = geoLocatorResults.result[0].Title
});
gisOperations.GetSelectLayer().Graphics.Add(new Graphic()
{
Geometry = geoLocatorResults.result[0].Location,
Symbol = geoLocator.GetLocationMarker(),
Selected = true
});
locationInputViewModel.RefreshStops();
locationInputViewModel.Zoom2Stops();
}
}
}
private void HandleAddressPoint(object sender, ResultInfoEventArgs e)
{
// Geocoding request
geoLocator.SetResultsGeoLocatorHandler(HandleGeolocatorResults);
currentPosition = e.ScreenPoint;
geoLocator.FindAddressByLocation(e.InfoPoint);
}
private void DisplayInfoResults(ResultInfoEventArgs e)
{
// Create InfoWindow to be used
if (e.Attributes == null)
return;
this.Attributes.AttributeValueList.Clear();
string objectId = gisOperations.GetFeatureLayerInfo(e.LayerId).ObjectId;
foreach (var item in e.Attributes)
{
if (e.LayerId.Length == 0 || Utilities.IsValidField(item.Key, objectId))
{
AttributeFeature attributeFeature = new AttributeFeature() { FieldName = item.Key };
if (item.Value != null)
attributeFeature.Value = Utilities.FormatField(item.Value);
else
attributeFeature.Value = "";
this.Attributes.AttributeValueList.Add(attributeFeature);
}
}
DataTemplate dataTemplate = this.menuToolbar.LayoutRoot.Resources["AttributesTemplate"] as DataTemplate;
DataGrid dataGrid = dataTemplate.LoadContent() as DataGrid;
dataGrid.ItemsSource = this.Attributes.AttributeValueList;
this.RaisePropertyChanged(() => this.Attributes);
Grid layoutRoot = gisOperations.GetMap().Parent as Grid;
window.Anchor = e.InfoPoint;
window.Map = gisOperations.GetMap();
window.IsOpen = true;
window.Content = dataGrid;
window.Name = "InfoWindow";
layoutRoot.Children.Add(window);
}