private void TreeView_ContextRequested(UIElement sender, ContextRequestedEventArgs e)
{
var datacontext = (e.OriginalSource as FrameworkElement)?.DataContext;
if (datacontext != null && (sender as FrameworkElement).DataContext != datacontext)
{
var args = new ContextMenuRequestedEventArgs(datacontext);
ContextMenuRequested?.Invoke(this, args);
if (args.MenuItems != null && args.MenuItems.Count > 0)
{
var menu = new MenuFlyout();
foreach (var item in args.MenuItems)
{
menu.Items.Add(item);
}
if (e.TryGetPosition(e.OriginalSource as UIElement, out Point p))
{
menu.ShowAt(e.OriginalSource as UIElement, p);
}
else
{
menu.ShowAt(e.OriginalSource as UIElement, new FlyoutShowOptions()
{
Placement = FlyoutPlacementMode.Auto
});
}
e.Handled = true;
}
}
}
private void TableOfContents_ContextMenuRequested(object sender, ContextMenuRequestedEventArgs e)
{
if (e.TreeViewNode is KmlNode node)
{
if (node.Viewpoint != null)
{
var item = new MenuFlyoutItem()
{
Text = "Fly to"
};
Camera camera = null;
if (node.Viewpoint.Type == KmlViewpointType.LookAt)
{
camera = new Camera(node.Viewpoint.Location, node.Viewpoint.Range, node.Viewpoint.Heading, node.Viewpoint.Pitch, node.Viewpoint.Roll);
}
else
{
camera = new Camera(node.Viewpoint.Location, node.Viewpoint.Heading, node.Viewpoint.Pitch, node.Viewpoint.Roll);
}
item.Click += (s, e2) => sceneView.SetViewpointAsync(new Viewpoint(node.Viewpoint.Location, camera));
e.MenuItems.Add(item);
}
else if (node is KmlPlacemark kp && kp.Geometry != null)
{
var item = new MenuFlyoutItem()
{
Text = "Fly to"
};
item.Click += (s, e2) => sceneView.SetViewpointAsync(new Viewpoint(kp.Geometry));
e.MenuItems.Add(item);
}
if (node is KmlNetworkLink knl)
{
var item = new MenuFlyoutItem()
{
Text = "Refresh"
};
item.Click += (s, e2) => knl.Refresh();
e.MenuItems.Add(item);
if (knl.RefreshMode == KmlRefreshMode.OnInterval)
{
item = new MenuFlyoutItem()
{
Text = "Disable autorefresh"
};
item.Click += (s, e2) => knl.RefreshMode = KmlRefreshMode.OnChange;
e.MenuItems.Add(item);
}
}
else if (node is KmlTour tour)
{
var item = new MenuFlyoutItem()
{
Text = tour.TourStatus == KmlTourStatus.Playing ? "Stop" : "Play"
};
item.Click += (s, e2) => ToggleTour(tour);
e.MenuItems.Add(item);
}
}
}