/// <summary>
/// Takes action once a new content selection is made.
/// </summary>
public void ContentSelectionChanged(int selectedIndex)
{
// Get the KML node.
LayerDisplayVM selectedItem = _viewModelList[selectedIndex];
NavigateToNode(selectedItem.Node);
}
private void MyDisplayList_ItemClick(object sender, AdapterView.ItemClickEventArgs e)
{
// Get the KML node.
LayerDisplayVM selectedItem = _viewModelList[e.Position];
NavigateToNode(selectedItem.Node);
}
public static void BuildLayerInfoList(LayerDisplayVM root, IList <LayerDisplayVM> result)
{
// Add the root node to the result list.
result.Add(root);
// Make the node visible.
root.Node.IsVisible = true;
// Recursively add children. KmlContainers and KmlNetworkLinks can both have children.
var containerNode = root.Node as KmlContainer;
var networkLinkNode = root.Node as KmlNetworkLink;
List <KmlNode> children = new List <KmlNode>();
if (containerNode != null)
{
children.AddRange(containerNode.ChildNodes);
}
if (networkLinkNode != null)
{
children.AddRange(networkLinkNode.ChildNodes);
}
foreach (KmlNode node in children)
{
// Create the view model for the sublayer.
LayerDisplayVM layerVM = new LayerDisplayVM(node, root);
// Recursively add children.
BuildLayerInfoList(layerVM, result);
}
}
private void LayerTreeView_OnSelectionChanged(object sender, SelectedItemChangedEventArgs e)
{
// Get the KML node.
LayerDisplayVM selectedItem = (LayerDisplayVM)e.SelectedItem;
NavigateToNode(selectedItem.Node);
}
private async void Initialize()
{
// Add a basemap.
MySceneView.Scene = new Scene(Basemap.CreateImageryWithLabels());
MySceneView.Scene.BaseSurface.ElevationSources.Add(new ArcGISTiledElevationSource(new Uri("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer")));
// Get the URL to the data.
Uri kmlUrl = new Uri(DataManager.GetDataFolder("da301cb122874d5497f8a8f6c81eb36e", "esri_test_data.kmz"));
// Create the KML dataset and layer.
KmlDataset dataset = new KmlDataset(kmlUrl);
KmlLayer layer = new KmlLayer(dataset);
// Add the layer to the map.
MySceneView.Scene.OperationalLayers.Add(layer);
await dataset.LoadAsync();
// Build the ViewModel from the expanded list of layer infos.
foreach (KmlNode node in dataset.RootNodes)
{
// LayerDisplayVM is a custom type made for this sample to serve as the ViewModel; it is not a part of ArcGIS Runtime.
LayerDisplayVM nodeVm = new LayerDisplayVM(node, null);
_viewModelList.Add(nodeVm);
LayerDisplayVM.BuildLayerInfoList(nodeVm, _viewModelList);
}
// Update the list of layers, using the root node from the list.
LayerTreeView.ItemsSource = _viewModelList;
}
private async void Initialize()
{
// Add a basemap.
_mySceneView.Scene = new Scene(Basemap.CreateImageryWithLabels());
_mySceneView.Scene.BaseSurface.ElevationSources.Add(new ArcGISTiledElevationSource(new Uri("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer")));
// Get the URL to the data.
Uri kmlUrl = new Uri(DataManager.GetDataFolder("da301cb122874d5497f8a8f6c81eb36e", "esri_test_data.kmz"));
// Create the KML dataset and layer.
KmlDataset dataset = new KmlDataset(kmlUrl);
KmlLayer layer = new KmlLayer(dataset);
// Add the layer to the map.
_mySceneView.Scene.OperationalLayers.Add(layer);
try
{
await dataset.LoadAsync();
// Build the ViewModel from the expanded list of layer infos.
foreach (KmlNode node in dataset.RootNodes)
{
// LayerDisplayVM is a custom type made for this sample to serve as the ViewModel; it is not a part of ArcGIS Runtime.
LayerDisplayVM nodeVm = new LayerDisplayVM(node, null);
_viewModelList.Add(nodeVm);
LayerDisplayVM.BuildLayerInfoList(nodeVm, _viewModelList);
}
// Create an array adapter for the content display
ArrayAdapter adapter = new ArrayAdapter(this, Android.Resource.Layout.SimpleSpinnerItem, _viewModelList.Select(item => item.Name).ToList());
// Apply the adapter
_myDisplayList.Adapter = adapter;
// Subscribe to selection change notifications
_myDisplayList.ItemClick += MyDisplayList_ItemClick;
}
catch (Exception e)
{
new AlertDialog.Builder(this).SetMessage(e.ToString()).SetTitle("Error").Show();
}
}
private async void Initialize()
{
// Add a basemap.
_mySceneView.Scene = new Scene(Basemap.CreateImageryWithLabels());
_mySceneView.Scene.BaseSurface.ElevationSources.Add(new ArcGISTiledElevationSource(new Uri("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer")));
// Get the URL to the data.
Uri kmlUrl = new Uri(DataManager.GetDataFolder("da301cb122874d5497f8a8f6c81eb36e", "esri_test_data.kmz"));
// Create the KML dataset and layer.
KmlDataset dataset = new KmlDataset(kmlUrl);
KmlLayer layer = new KmlLayer(dataset);
// Add the layer to the map.
_mySceneView.Scene.OperationalLayers.Add(layer);
try
{
await dataset.LoadAsync();
// Build the ViewModel from the expanded list of layer infos.
foreach (KmlNode node in dataset.RootNodes)
{
// LayerDisplayVM is a custom type made for this sample to serve as the ViewModel; it is not a part of ArcGIS Runtime.
LayerDisplayVM nodeVm = new LayerDisplayVM(node, null);
_viewModelList.Add(nodeVm);
LayerDisplayVM.BuildLayerInfoList(nodeVm, _viewModelList);
}
// Construct the layer list source.
_layerListSource = new LayerListSource(_viewModelList, this);
// Set the source for the table view (layer list).
_myDisplayList.Source = _layerListSource;
// Force an update of the list display.
_myDisplayList.ReloadData();
}
catch (Exception e)
{
new UIAlertView("Error", e.ToString(), (IUIAlertViewDelegate)null, "OK", null).Show();
}
}
/// <summary>
/// This method gets a table view cell for the suggestion at the specified index.
/// </summary>
public override UITableViewCell GetCell(UITableView tableView, NSIndexPath indexPath)
{
// Try to get a re-usable cell (this is for performance).
UITableViewCell cell = tableView.DequeueReusableCell(CellId);
// If there are no cells, create a new one.
if (cell == null)
{
cell = new UITableViewCell(UITableViewCellStyle.Default, CellId)
{
BackgroundColor = UIColor.FromWhiteAlpha(0, 0f)
};
cell.TextLabel.TextColor = Owner.View.TintColor;
}
// Get the specific item to display.
LayerDisplayVM item = ViewModelList[indexPath.Row];
// Set the text on the cell.
cell.TextLabel.Text = item.Name;
// Return the cell.
return(cell);
}
public LayerDisplayVM(KmlNode info, LayerDisplayVM parent)
{
Node = info;
Parent = parent;
}
