private async void TourButton_Click(object sender, RoutedEventArgs e)
{
// Get the selected track info
TrackInfo ti = ArtistListBox.SelectedItem as TrackInfo;
// Filter the tour layer by artist ID
string artistFilter = "artistid = '" + ti.ArtistId + "'";
_tourLayer.DefinitionExpression = artistFilter;
_tourLayer.IsVisible = true;
// Zoom to the extent of the tour
QueryParameters query = new QueryParameters
{
WhereClause = artistFilter
};
FeatureQueryResult tourQueryResult = await _tourLayer.FeatureTable.QueryFeaturesAsync(query);
// Zoom to the first result (assumed to be the next event?)
Feature nextEvent = tourQueryResult.FirstOrDefault();
if (nextEvent == null)
{
return;
}
// Zoom to the event
await ArtistMapView.SetViewpointCenterAsync(nextEvent.Geometry as MapPoint);
}
private async void MyMapView_GeoViewTapped(object sender, Esri.ArcGISRuntime.Xamarin.Forms.GeoViewInputEventArgs e)
{
this.MyMapView.GraphicsOverlays[0].Graphics.Clear();
QueryParameters queryParameters = new QueryParameters();
queryParameters.Geometry = e.Location;
string sum = string.Empty;
List <CalloutDefinition> calloutDefinitions = new List <CalloutDefinition>();
//List<Feature> features = new List<Feature>();
StringBuilder stringBuilder = new StringBuilder();
this.ViewModel.Fields.Clear();
foreach (var table in this.ViewModel.ServiceFeatureTables)
{
FeatureTable arcGISFeatureTable = table as FeatureTable;
FeatureLayer layer = table.Layer as FeatureLayer;
layer.ClearSelection();
if (this.ViewModel.EsriMap.OperationalLayers.Contains(layer))
{
string[] outputFields = { "*" };
FeatureQueryResult fqr = await table.QueryFeaturesAsync(queryParameters, QueryFeatureFields.LoadAll);
Feature feature = fqr.FirstOrDefault();
if (feature != null)
{
stringBuilder.Append(feature.Attributes.First().Value + Environment.NewLine);
//features.Add(feature);
layer.SelectFeature(feature);
StringBuilder sb = new StringBuilder();
FeatureTableWrapper wrapper = new FeatureTableWrapper();
wrapper.TableName = layer.FeatureTable.TableName;
wrapper.KeyValues = new Dictionary <string, string>();
foreach (var att in feature.Attributes)
{
if (!wrapper.KeyValues.ContainsKey(att.Key))
{
wrapper.KeyValues.Add(att.Key, att.Value.ToString());
}
}
this.ViewModel.Fields.Add(wrapper);
}
}
}
this.MyMapView.GraphicsOverlays[0].Graphics.Add(new Esri.ArcGISRuntime.UI.Graphic(e.Location));
CalloutDefinition callout = new CalloutDefinition(this.ViewModel.GeoviProject.Name, stringBuilder.ToString());
Point point = new Point(e.Location.X, e.Location.Y);
this.MyMapView.ShowCalloutAt(e.Location, callout);
}