private async void MyTemplatePicker_TemplatePicked(object sender, Esri.ArcGISRuntime.Toolkit.Controls.TemplatePicker.TemplatePickedEventArgs e)
{
try
{
TemplateName.Text = e.FeatureTemplate.Name;
TargetedLayer.Text = e.Layer.DisplayName;
TemplateDescription.Text = e.FeatureTemplate.Description;
GeometryType geometryType = GeometryType.Unknown;
var gdbFeatureTable = e.Layer.FeatureTable as ServiceFeatureTable;
if (gdbFeatureTable != null && gdbFeatureTable.ServiceInfo != null)
{
geometryType = gdbFeatureTable.ServiceInfo.GeometryType;
}
Esri.ArcGISRuntime.Symbology.Symbol symbol = null;
// Get symbol from the renderer if that is defined
if (e.Layer.Renderer != null)
{
var g = new Graphic(e.FeatureTemplate.Prototype.Attributes ??
Enumerable.Empty <KeyValuePair <string, object> >());
symbol = e.Layer.Renderer.GetSymbol(g);
SelectedSymbol.Source = await symbol.CreateSwatchAsync(32, 32, 96, Colors.Transparent, geometryType);
}
// Define what we shape we request from the editor
DrawShape requestedShape = DrawShape.Point;
if (e.FeatureTemplate.DrawingTool == FeatureEditTool.Polygon)
{
requestedShape = DrawShape.Polygon;
}
if (e.FeatureTemplate.DrawingTool == FeatureEditTool.Line)
{
requestedShape = DrawShape.Polyline;
}
Selection.Visibility = Visibility.Collapsed;
SelectedInfo.Visibility = Visibility.Visible;
// Request location for the new feature
var addedGeometry = await MyMapView.Editor.RequestShapeAsync(requestedShape, symbol);
// Add new feature to the MapView. Note that this doesn't commit changes automatically to the service
var id = await gdbFeatureTable.AddAsync(e.FeatureTemplate.Prototype.Attributes, addedGeometry);
}
catch (TaskCanceledException) { } // Editing canceled
catch (Exception exception)
{
var _x = new MessageDialog(string.Format("Error occured : {0}", exception.ToString()), "Sample error").ShowAsync();
}
Selection.Visibility = Visibility.Visible;
SelectedInfo.Visibility = Visibility.Collapsed;
}
// Draw and add a single graphic to the graphic layer
private async Task AddSingleGraphicAsync()
{
try
{
var drawShape = (DrawShape)comboDrawShape.SelectedValue;
Esri.ArcGISRuntime.Symbology.Symbol symbol = null;
switch (drawShape)
{
case DrawShape.Point:
symbol = Resources["BluePointSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
break;
case DrawShape.LineSegment:
case DrawShape.Freehand:
case DrawShape.Polyline:
symbol = Resources["GreenLineSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
break;
case DrawShape.Arrow:
case DrawShape.Circle:
case DrawShape.Ellipse:
case DrawShape.Polygon:
case DrawShape.Rectangle:
case DrawShape.Triangle:
case DrawShape.Envelope:
symbol = Resources["RedFillSymbol"] as Esri.ArcGISRuntime.Symbology.Symbol;
break;
}
// wait for user to draw the shape
var geometry = await MyMapView.Editor.RequestShapeAsync(drawShape, symbol);
// add the new graphic to the graphic layer
var graphic = new Graphic(geometry, symbol);
_graphicsLayer.Graphics.Add(graphic);
}
catch (TaskCanceledException)
{
// Ignore cancelations from selecting new shape type
}
catch (Exception ex)
{
var _x = new MessageDialog("Error drawing graphic: " + ex.Message, "Add Graphic Interactively").ShowAsync();
}
}