private void Restore(ListBox menu)
{
menu.IsEnabled = false;
menu.Visibility = Visibility.Visible;
var breadcrumbItem = BreadcrumbContainer.Items.Count > 0
? (ListBoxItem)BreadcrumbContainer.Items[BreadcrumbContainer.Items.Count - 1]
: null;
Point
origin = new Point(0, 0),
menuPoint = menu.TranslatePoint(origin, this),
breadcrumbPoint = breadcrumbItem == null ? origin : breadcrumbItem.TranslatePoint(origin, this)
;
var duration = new Duration(TimeSpan.FromMilliseconds(300));
DoubleAnimation
posXAnimation = new DoubleAnimation { Duration = duration, From = breadcrumbPoint.X - menuPoint.X },
posYAnimation = new DoubleAnimation { Duration = duration, From = breadcrumbPoint.Y - menuPoint.Y },
scaleXAnimation = new DoubleAnimation { Duration = duration, From = 0.3 },
scaleYAnimation = new DoubleAnimation { Duration = duration, From = 0.3 },
opacityAnimation = new DoubleAnimation { Duration = duration, From = 0 }
;
var translateTransform = ((TransformGroup)menu.RenderTransform).Children[0];
var scaleTransform = ((TransformGroup)menu.RenderTransform).Children[1];
translateTransform.BeginAnimation(TranslateTransform.XProperty, posXAnimation);
translateTransform.BeginAnimation(TranslateTransform.YProperty, posYAnimation);
scaleTransform.BeginAnimation(ScaleTransform.ScaleXProperty, scaleXAnimation);
scaleTransform.BeginAnimation(ScaleTransform.ScaleYProperty, scaleYAnimation);
opacityAnimation.Completed += (object sender, EventArgs e) =>
{
menu.IsEnabled = true;
translateTransform.BeginAnimation(TranslateTransform.XProperty, null);
translateTransform.BeginAnimation(TranslateTransform.YProperty, null);
scaleTransform.BeginAnimation(ScaleTransform.ScaleXProperty, null);
scaleTransform.BeginAnimation(ScaleTransform.ScaleYProperty, null);
menu.BeginAnimation(OpacityProperty, null);
};
menu.BeginAnimation(OpacityProperty, opacityAnimation);
}
private void Discard(ListBox menu)
{
menu.IsEnabled = false;
var duration = new Duration(TimeSpan.FromMilliseconds(400));
DoubleAnimation
posXAnimation = new DoubleAnimation { Duration = duration, To = -80 },
posYAnimation = new DoubleAnimation { Duration = duration, To = -80 },
scaleXAnimation = new DoubleAnimation { Duration = duration, To = 1.5 },
scaleYAnimation = new DoubleAnimation { Duration = duration, To = 1.5 },
opacityAnimation = new DoubleAnimation { Duration = duration, To = 0 }
;
var translateTransform = ((TransformGroup)menu.RenderTransform).Children[0];
var scaleTransform = ((TransformGroup)menu.RenderTransform).Children[1];
translateTransform.BeginAnimation(TranslateTransform.XProperty, posXAnimation);
translateTransform.BeginAnimation(TranslateTransform.YProperty, posYAnimation);
scaleTransform.BeginAnimation(ScaleTransform.ScaleXProperty, scaleXAnimation);
scaleTransform.BeginAnimation(ScaleTransform.ScaleYProperty, scaleYAnimation);
opacityAnimation.Completed += (object sender, EventArgs e) =>
{
menu.Visibility = Visibility.Collapsed;
menu.IsEnabled = true;
translateTransform.BeginAnimation(TranslateTransform.XProperty, null);
translateTransform.BeginAnimation(TranslateTransform.YProperty, null);
scaleTransform.BeginAnimation(ScaleTransform.ScaleXProperty, null);
scaleTransform.BeginAnimation(ScaleTransform.ScaleYProperty, null);
menu.BeginAnimation(OpacityProperty, null);
};
menu.BeginAnimation(OpacityProperty, opacityAnimation);
}
static public void MenuAnimation(DoubleAnimation animation, ListBox lb, DependencyProperty dp, int size)
{
animation.To = size;
lb.BeginAnimation(dp, animation, HandoffBehavior.Compose);
}
