private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.Xamarin.Forms.GeoViewInputEventArgs e)
{
try
{
// Perform the identify operation
IdentifyLayerResult myIdentifyResult = await MyMapView.IdentifyLayerAsync(_wmsLayer, e.Position, 20, false);
// Return if there's nothing to show
if (myIdentifyResult.SublayerResults[1].GeoElements.Count < 1)
{
return;
}
// Retrieve the identified feature, which is always a WmsFeature for WMS layers
//WmsFeature identifiedFeature = (WmsFeature)myIdentifyResult.SublayerResults[0].GeoElements[0].Attributes.Values;
var identifiedFeature = myIdentifyResult.SublayerResults
.Select(x => x.GeoElements.Where(y => y.Attributes.Values.Contains("РГО")).FirstOrDefault().Attributes);
var identifiedFeature2 = myIdentifyResult.SublayerResults[1].GeoElements.Where(x => x.Attributes.Count == 17).FirstOrDefault().Attributes;
var identifiedFeature3 = myIdentifyResult.SublayerResults.Select(x => x.GeoElements.Where(y => y.Attributes.Count == 17).FirstOrDefault().Attributes);
var coordinateX = identifiedFeature2.Where(x => x.Key == "x").FirstOrDefault().Value.ToString();
var coordinateY = identifiedFeature2.Where(x => x.Key == "y").FirstOrDefault().Value.ToString();
var pointNumber = identifiedFeature2.Where(x => x.Key == "geoptnum").FirstOrDefault().Value.ToString();
var clickedPoint = new Point();
clickedPoint.CoordinateX = coordinateX;
clickedPoint.CoordinateY = coordinateY;
clickedPoint.Number = pointNumber;
var StakeOutViewModel = new StakeOutViewModel(clickedPoint);
await Navigation.PushAsync(new StakeOutPage(StakeOutViewModel));
// Retrieve the WmsFeature's HTML content
// string htmlContent = identifiedFeature/*.Attributes["HTML"].ToString()*/;
// Note that the service returns a boilerplate HTML result if there is no feature found.
// This test should work for most arcGIS-based WMS services, but results may vary.
//if (!htmlContent.Contains("OBJECTID"))
{
// Return without showing the result
//await Navigation.PushAsync(new WmsIdentifyResultDisplayPage(htmlContent)
}
// Show a page with the HTML content
// await Navigation.PushAsync(new WmsIdentifyResultDisplayPage(htmlContent));
}
catch (Exception ex)
{
//await Application.Current.MainPage.DisplayAlert("Error", ex.ToString(), "OK");
}
}
public MainPageViewModel()
{
Points = new ObservableCollection <Point>();
SavePointCommand = new Command(() =>
{
Points.Add(new Point {
CoordinateX = this.CoordinateX, CoordinateY = this.CoordinateY, Number = this.Number
});
CoordinateX = string.Empty;
CoordinateY = string.Empty;
Number = string.Empty;
},
() => !string.IsNullOrEmpty(CoordinateX) && !string.IsNullOrEmpty(CoordinateY) && !string.IsNullOrEmpty(Number));
ErasePointsCommand = new Command(() => Points.Clear());
GoToMapCommand = new Command(async() =>
{
await Application.Current.MainPage.Navigation.PushAsync(new MapPage());
});
PointSelectedCommand = new Command(async() =>
{
if (SelectedPoint is null)
{
return;
}
var detailViewModel = new StakeOutViewModel(SelectedPoint);
await Application.Current.MainPage.Navigation.PushAsync(new StakeOutPage(detailViewModel));
SelectedPoint = null;
});
}
public StakeOutPage(StakeOutViewModel viewModel)
{
InitializeComponent();
BindingContext = viewModel;
}