static void shapeLayer_ShapesLoaded(object sender, ShapesLoadedEventArgs args)
{
if ((sender as ShapeFileLayer).ShapeCollection.Count > 0)
{
canvas = VirtualizationViewModel.FindParent <ShapeFilePanel>((sender as ShapeFileLayer).ShapeCollection[0] as UIElement);
ShapeFileEventHelper.GetShapeFileEvents(sender as ShapeFileLayer).Execute(canvas);
canvas.LayoutUpdated += new EventHandler(canvas_LayoutUpdated);
}
}
private static void OnShapeFileEventsChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
shapeLayer = d as ShapeFileLayer;
if (shapeLayer != null)
{
mainWindow = ShapeFileEventHelper.FindParent <MainWindow>(shapeLayer) as MainWindow;
mainWindow.btnReset.Click += new RoutedEventHandler(btnReset_Click);
mapControl = ShapeFileEventHelper.FindParent <MapControl>(shapeLayer) as MapControl;
shapeLayer.ShapesLoaded += new ShapesLoadedEventHandler(shapeLayer_ShapesLoaded);
shapeLayer.ZoomedIn += new ZoomEventHandler(shapeLayer_ZoomedIn);
shapeLayer.ZoomedOut += new ZoomEventHandler(shapeLayer_ZoomedOut);
shapeLayer.Panning += new PanEventHandler(shapeLayer_Panning);
shapeLayer.Panned += new PanEventHandler(shapeLayer_Panned);
}
}
internal static T FindParent <T>(UIElement control) where T : UIElement
{
if (control != null)
{
UIElement p = VisualTreeHelper.GetParent(control) as UIElement;
if (p != null)
{
if (p is T)
{
return(p as T);
}
else
{
return(ShapeFileEventHelper.FindParent <T>(p));
}
}
}
return(null);
}
static void shapeLayer_ZoomedIn(object sender, ZoomEventArgs args)
{
ShapeFileEventHelper.GetShapeFileEvents(sender as ShapeFileLayer).Execute(canvas);
}
static void shapeLayer_Panning(object sender, PanEventArgs args)
{
ShapeFileEventHelper.GetShapeFileEvents(sender as ShapeFileLayer).Execute(canvas);
}
static void canvas_LayoutUpdated(object sender, EventArgs e)
{
ShapeFileEventHelper.GetShapeFileEvents(shapeLayer).Execute(canvas);
}
