//public async void drawToolsClickEventListener(object sender,
// UserControl.DrawToolClickEventArgs args)
//{
// if (args.stopDraw)
// {
// if (_mapView.Editor.Cancel.CanExecute(null))
// _mapView.Editor.Cancel.Execute(null);
// }
// else
// {
// await drawGraphics(args.drawShapeType);
// }
//}
public async Task drawGraphics(DrawShapeType drawShapeType)
{
if (Globals.isThreadUnsafe())
{
await Globals.application.Dispatcher.Invoke(new Func <Task>(async() =>
{
await drawGraphics(drawShapeType);
}));
return;
}
// Add a drawing graphics layer
if (_drawingLayer == null)
{
_drawingLayer = new IS3GraphicsLayer();
_drawingLayer.ID = "0";
_drawingLayer.DisplayName = "0";
_map.Layers.Add(_drawingLayer);
}
if (_mapView.Editor.IsActive)
{
return;
}
try
{
Geometry geom = await _mapView.Editor.RequestShapeAsync((DrawShape)drawShapeType);
if (_srEMap != null)
{
geom = GeometryEngine.Project(geom, _srEMap);
}
IGeometry iGeom = IS3GeometryEngine.fromGeometry(geom);
IGraphic g = Runtime.graphicEngine.newGraphic(iGeom);
GraphicsUtil.AssignDefaultDrawingSymbol(g);
_drawingLayer.graphics.Add(g);
// trigger a drawing graphics changed event
if (drawingGraphicsChangedTrigger != null)
{
DrawingGraphicsChangedEventArgs args =
new DrawingGraphicsChangedEventArgs();
List <IGraphic> addedItems = new List <IGraphic>();
addedItems.Add(g);
args.addedItems = addedItems;
drawingGraphicsChangedTrigger(this, args);
}
}
catch (TaskCanceledException)
{
// Ignore TaskCanceledException - usually happens if the editor gets cancelled or restarted
}
}
public async void selectByRect()
{
if (Globals.isThreadUnsafe())
{
Globals.application.Dispatcher.Invoke(new Action(() =>
{
selectByRect();
}));
return;
}
Geometry geom = await _mapView.Editor.RequestShapeAsync(DrawShape.Rectangle);
if (_srEMap != null)
{
geom = GeometryEngine.Project(geom, _srEMap);
}
IGeometry rect = IS3GeometryEngine.fromGeometry(geom);
ObjSelectionChangedEventArgs args = new ObjSelectionChangedEventArgs();
args.addedObjs = new Dictionary <string, IEnumerable <DGObject> >();
foreach (Layer layer in _map.Layers)
{
IGraphicsLayer gLayer = layer as IGraphicsLayer;
if (!isLayerSelectable(gLayer))
{
continue;
}
List <DGObject> objs = gLayer.selectObjectsByRect(rect);
if (objs.Count > 0)
{
//old
// args.addedObjs.Add(gLayer.ID, objs);
args.addedObjs.Add(objs.FirstOrDefault().parent.definition.Name, objs);
}
}
if (objSelectionChangedTrigger != null)
{
objSelectionChangedTrigger(this, args);
}
}
// Construct from a Esri.ArcGISRuntime.Geometry.Geometry instance.
public IS3Graphic(Esri.ArcGISRuntime.Geometry.Geometry g)
{
IGeometry ig = IS3GeometryEngine.fromGeometry(g);
base.Geometry = ig as Esri.ArcGISRuntime.Geometry.Geometry;
}