/// <summary>
/// Centers the view on a node by changing the workspace's CurrentOffset.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
internal void CenterViewOnElement(object sender, EventArgs e)
{
this.Dispatcher.BeginInvoke((Action) delegate
{
var vm = (DataContext as WorkspaceViewModel);
var n = (e as ModelEventArgs).Model;
if (workBench != null)
{
var b = workBench.TransformToAncestor(outerCanvas);
Point outerCenter = new Point(outerCanvas.ActualWidth / 2, outerCanvas.ActualHeight / 2);
Point nodeCenterInCanvas = new Point(n.X + n.Width / 2, n.Y + n.Height / 2);
Point nodeCenterInOverlay = b.Transform(nodeCenterInCanvas);
double deltaX = nodeCenterInOverlay.X - outerCenter.X;
double deltaY = nodeCenterInOverlay.Y - outerCenter.Y;
//var offset = new Point(vm.CurrentOffset.X - deltaX, vm.CurrentOffset.Y - deltaY);
//vm.CurrentOffset = offset;
zoomBorder.SetTranslateTransformOrigin(new Point2D(vm.Model.X - deltaX, vm.Model.Y - deltaY));
}
});
}