/// <summary>
/// Initializes a new instance of the <see cref="TableOfContents"/> class.
/// </summary>
public TableOfContents()
: base()
{
DefaultStyleKey = typeof(TableOfContents);
_datasource = new TocDataSource(this);
ItemsSource = _datasource;
ItemTemplateSelector = new TocItemTemplateSelector(this);
#if !NETFX_CORE
ContextMenuService.AddContextMenuOpeningHandler(this, ContextMenuEventHandler);
#endif
}
private void UpdateDatasource()
{
var tree = GetTemplateChild("TreeView") as ItemsControl;
if (tree != null)
{
tree.ItemsSource = _datasource;
#if !NETFX_CORE
ContextMenuService.AddContextMenuOpeningHandler(tree, ContextMenuEventHandler);
#endif
}
}
/// <summary>
/// Generates layer list for a set of <see cref="Layer"/>s in a <see cref="Map"/> or <see cref="Scene"/>
/// contained in a <see cref="GeoView"/>
/// </summary>
internal void Refresh()
{
var list = GetTemplateChild("List") as ItemsControl;
if (list == null)
{
return;
}
#if !NETFX_CORE
ContextMenuService.AddContextMenuOpeningHandler(list, ContextMenuEventHandler);
#endif
if ((GeoView as MapView)?.Map == null && (GeoView as SceneView)?.Scene == null)
{
list.ItemsSource = null;
return;
}
ObservableLayerContentList layers = null;
if (GeoView is MapView)
{
layers = new ObservableLayerContentList(GeoView as MapView, ShowLegendInternal)
{
ReverseOrder = !ReverseLayerOrder,
};
Binding b = new Binding();
b.Source = GeoView;
b.Path = new PropertyPath(nameof(MapView.Map));
b.Mode = BindingMode.OneWay;
SetBinding(DocumentProperty, b);
}
else if (GeoView is SceneView)
{
layers = new ObservableLayerContentList(GeoView as SceneView, ShowLegendInternal)
{
ReverseOrder = !ReverseLayerOrder,
};
Binding b = new Binding();
b.Source = GeoView;
b.Path = new PropertyPath(nameof(SceneView.Scene));
b.Mode = BindingMode.OneWay;
SetBinding(DocumentProperty, b);
}
if (layers == null)
{
list.ItemsSource = null;
return;
}
foreach (var l in layers)
{
if (!(l.LayerContent is Layer))
{
continue;
}
var layer = l.LayerContent as Layer;
if (layer.LoadStatus == LoadStatus.Loaded)
{
l.UpdateLayerViewState(GeoView.GetLayerViewState(layer));
}
}
ScaleChanged();
SetLayerContentList(layers);
list.ItemsSource = layers;
}
