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 ArtistListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// Get the selected track info
TrackInfo ti = ArtistListBox.SelectedItem as TrackInfo;
// If the track info is good, show it in the info panel
if (ti == null)
{
return;
}
ArtistInfoPanel.DataContext = ti;
// Filter the layers by artist ID
string artistFilter = "artistid = '" + ti.ArtistId + "'";
_artistHometownLayer.DefinitionExpression = artistFilter;
_listenerLayer.DefinitionExpression = artistFilter;
_otherLocationsLayer.DefinitionExpression = artistFilter;
// Make sure all layers are visible except tours
_artistHometownLayer.IsVisible = true;
_listenerLayer.IsVisible = true;
_otherLocationsLayer.IsVisible = true;
_tourLayer.IsVisible = false;
// Dismiss any tour event callouts
ArtistMapView.DismissCallout();
// Zoom the main map to the artist hometown
await ArtistMapView.SetViewpointCenterAsync(ti.HometownLocation, 250000);
// Zoom the listener map to the extent of features in the listener layer
QueryParameters query = new QueryParameters
{
WhereClause = artistFilter
};
FeatureQueryResult listenerQueryResult = await _listenerLayer.FeatureTable.QueryFeaturesAsync(query);
EnvelopeBuilder extentBuilder = new EnvelopeBuilder(ListenersMapView.SpatialReference);
foreach (Feature f in listenerQueryResult)
{
extentBuilder.UnionOf(f.Geometry.Extent);
}
Envelope extent = extentBuilder.ToGeometry();
if (extent.IsEmpty)
{
return;
}
await ListenersMapView.SetViewpointGeometryAsync(extentBuilder.ToGeometry(), 30);
}
private async void ArtistMapViewTapped(object sender, GeoViewInputEventArgs e)
{
// Get the user-tapped location
MapPoint mapLocation = e.Location;
// Perform an identify across all layers, taking up to 10 results per layer.
IdentifyLayerResult tourClickResult = await ArtistMapView.IdentifyLayerAsync(_tourLayer, e.Position, 15, false, 1);
if (tourClickResult.GeoElements.Count == 0)
{
return;
}
// Get the clicked tour event
GeoElement tourEvent = tourClickResult.GeoElements.FirstOrDefault();
await(tourEvent as ArcGISFeature).LoadAsync();
// Format the callout string to show info for this event
string tourEventDescription = string.Format("Date: {0:D}\nVenue: {1}", tourEvent.Attributes["eventdate"], tourEvent.Attributes["venuename"].ToString());
// Create a new callout definition using the formatted string
CalloutDefinition tourEventCalloutDefinition = new CalloutDefinition(tourEvent.Attributes["artistname"].ToString() + " - Let's Rock Tour", tourEventDescription);
// tourEventCalloutDefinition.Icon = tourImage;
FrameworkElement tourPanel = Application.Current.FindResource("TourCalloutPanel") as FrameworkElement;
TextBlock titleTextBlock = FindChild <TextBlock>(tourPanel, "TitleTextBlock");
TextBlock dateTextBlock = FindChild <TextBlock>(tourPanel, "EventDateTextBlock");
TextBlock venueTextBlock = FindChild <TextBlock>(tourPanel, "EventVenueTextBlock");
System.Windows.Controls.Image tourImage = FindChild <System.Windows.Controls.Image>(tourPanel, "TourImage");
titleTextBlock.Text = tourEvent.Attributes["artistname"].ToString() + " - Let's Rock Tour";
dateTextBlock.Text = string.Format("{0:D}", tourEvent.Attributes["eventdate"]);
venueTextBlock.Text = tourEvent.Attributes["venuename"].ToString();
BitmapImage poster = new BitmapImage();
poster.BeginInit();
poster.UriSource = new Uri(@"https://ih1.redbubble.net/image.790993324.9948/flat,128x,075,f-pad,128x128,f8f8f8.u2.jpg");
poster.EndInit();
tourImage.Source = poster;
// Display the callout
ArtistMapView.ShowCalloutAt(mapLocation, tourPanel);
//ArtistMapView.ShowCalloutAt(mapLocation, tourEventCalloutDefinition);
}
