private async void LoadLayers_Clicked(object sender, EventArgs e)
{
// Show the progress bar.
LoadingProgressBar.IsVisible = true;
// Clear the existing layers.
MyMapView.Map.OperationalLayers.Clear();
try
{
// Add the layer to the map.
WfsLayerInfo selectedLayerInfo = (WfsLayerInfo)WfsLayerList.SelectedItem;
// Create the WFS feature table.
WfsFeatureTable table = new WfsFeatureTable(selectedLayerInfo);
// Set the feature request mode to manual - only manual is supported at v100.5.
// In this mode, you must manually populate the table - panning and zooming won't request features automatically.
table.FeatureRequestMode = FeatureRequestMode.ManualCache;
// Set the axis order based on the UI.
if (AxisOrderSwapCheckbox.IsToggled)
{
table.AxisOrder = OgcAxisOrder.Swap;
}
else
{
table.AxisOrder = OgcAxisOrder.NoSwap;
}
// Populate the WFS table.
await table.PopulateFromServiceAsync(new QueryParameters(), false, null);
// Create a feature layer from the WFS table.
FeatureLayer wfsFeatureLayer = new FeatureLayer(table);
// Choose a renderer for the layer based on the table.
wfsFeatureLayer.Renderer = GetRandomRendererForTable(table) ?? wfsFeatureLayer.Renderer;
// Add the layer to the map.
MyMapView.Map.OperationalLayers.Add(wfsFeatureLayer);
// Zoom to the extent of the layer.
await MyMapView.SetViewpointGeometryAsync(selectedLayerInfo.Extent, 50);
}
catch (Exception exception)
{
Debug.WriteLine(exception);
await((Page)Parent).DisplayAlert("Failed to load layer", exception.ToString(), "OK");
}
finally
{
// Hide the progress bar.
LoadingProgressBar.IsVisible = false;
}
}
private async void LayerMenu_LayerSelected(object sender, PopupMenu.MenuItemClickEventArgs e)
{
// Show the progress bar.
_loadingProgressBar.Visibility = ViewStates.Visible;
// Clear the existing layers.
_myMapView.Map.OperationalLayers.Clear();
try
{
// Get the selected layer info.
WfsLayerInfo selectedLayerInfo = _serviceInfo.LayerInfos[e.Item.Order];
// Create the WFS feature table.
WfsFeatureTable table = new WfsFeatureTable(selectedLayerInfo);
// Set the feature request mode to manual - only manual is supported at v100.5.
// In this mode, you must manually populate the table - panning and zooming won't request features automatically.
table.FeatureRequestMode = FeatureRequestMode.ManualCache;
// Set the axis order based on the UI.
if (_axisOrderSwitch.Checked)
{
table.AxisOrder = OgcAxisOrder.Swap;
}
else
{
table.AxisOrder = OgcAxisOrder.NoSwap;
}
// Populate the WFS table.
await table.PopulateFromServiceAsync(new QueryParameters(), false, null);
// Create a feature layer from the WFS table.
FeatureLayer wfsFeatureLayer = new FeatureLayer(table);
// Choose a renderer for the layer based on the table.
wfsFeatureLayer.Renderer = GetRendererForTable(table) ?? wfsFeatureLayer.Renderer;
// Add the layer to the map.
_myMapView.Map.OperationalLayers.Add(wfsFeatureLayer);
// Zoom to the extent of the layer.
await _myMapView.SetViewpointGeometryAsync(selectedLayerInfo.Extent, 50);
}
catch (Exception exception)
{
System.Diagnostics.Debug.WriteLine(exception);
new AlertDialog.Builder(this).SetMessage(exception.ToString()).SetTitle("Couldn't load layer.").Show();
}
finally
{
// Hide the progress bar.
_loadingProgressBar.Visibility = ViewStates.Gone;
}
}
private async void LoadSelectedLayer(WfsLayerInfo selectedLayerInfo)
{
// Show the progress bar.
_loadingProgressBar.StartAnimating();
// Clear the existing layers.
_myMapView.Map.OperationalLayers.Clear();
try
{
// Create the WFS feature table.
WfsFeatureTable table = new WfsFeatureTable(selectedLayerInfo);
// Set the feature request mode to manual - only manual is supported at v100.5.
// In this mode, you must manually populate the table - panning and zooming won't request features automatically.
table.FeatureRequestMode = FeatureRequestMode.ManualCache;
// Set the axis order based on the UI.
if (_toggleAxisOrderSwitch.On)
{
table.AxisOrder = OgcAxisOrder.Swap;
}
else
{
table.AxisOrder = OgcAxisOrder.NoSwap;
}
// Populate the WFS table.
await table.PopulateFromServiceAsync(new QueryParameters(), false, null);
// Create a feature layer from the WFS table.
FeatureLayer wfsFeatureLayer = new FeatureLayer(table);
// Choose a renderer for the layer based on the table.
wfsFeatureLayer.Renderer = GetRandomRendererForTable(table) ?? wfsFeatureLayer.Renderer;
// Add the layer to the map.
_myMapView.Map.OperationalLayers.Add(wfsFeatureLayer);
// Zoom to the extent of the layer.
await _myMapView.SetViewpointGeometryAsync(selectedLayerInfo.Extent, 50);
}
catch (Exception exception)
{
Debug.WriteLine(exception);
new UIAlertView("Error", exception.ToString(), (IUIAlertViewDelegate)null, "Couldn't load layer.", null).Show();
}
finally
{
// Hide the progress bar.
_loadingProgressBar.StopAnimating();
}
}
private async void LoadLayers_Clicked(object sender, RoutedEventArgs e)
{
// Skip if nothing selected.
if (WfsLayerList.SelectedItems.Count < 1)
{
return;
}
// Show the progress bar.
LoadingProgressBar.Visibility = Visibility.Visible;
// Clear the existing layers.
MyMapView.Map.OperationalLayers.Clear();
try
{
// Get the selected WFS layer.
WfsLayerInfo selectedLayerInfo = (WfsLayerInfo)WfsLayerList.SelectedItems[0];
// Create the WFS feature table.
WfsFeatureTable table = new WfsFeatureTable(selectedLayerInfo);
// Set the feature request mode to manual - only manual is supported at v100.5.
// In this mode, you must manually populate the table - panning and zooming won't request features automatically.
table.FeatureRequestMode = FeatureRequestMode.ManualCache;
// Set the axis order based on the UI.
if (AxisOrderSwapCheckbox.IsChecked == true)
{
table.AxisOrder = OgcAxisOrder.Swap;
}
else
{
table.AxisOrder = OgcAxisOrder.NoSwap;
}
// Populate the WFS table.
await table.PopulateFromServiceAsync(new QueryParameters(), false, null);
// Create a feature layer from the WFS table.
FeatureLayer wfsFeatureLayer = new FeatureLayer(table);
// Choose a renderer for the layer based on the table.
wfsFeatureLayer.Renderer = GetRendererForTable(table) ?? wfsFeatureLayer.Renderer;
// Add the layer to the map.
MyMapView.Map.OperationalLayers.Add(wfsFeatureLayer);
// Zoom to the extent of the selected layer.
await MyMapView.SetViewpointGeometryAsync(selectedLayerInfo.Extent, 50);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
await new MessageDialog(ex.ToString(), "Failed to load layer.").ShowAsync();
}
finally
{
// Hide the progress bar.
LoadingProgressBar.Visibility = Visibility.Collapsed;
}
}