void MainWindowNavigated(object sender, NavigationEventArgs e)
{
GoBackCommand.RaiseCanExecuteChanged();
var newCtrl = (UIElement)e.Content;
BindingOperations.SetBinding(newCtrl, HeightProperty, Utility.CreateBinding(_contentGrid, "ActualHeight"));
BindingOperations.SetBinding(newCtrl, WidthProperty, Utility.CreateBinding(_contentGrid, "ActualWidth"));
RemoveLogicalChild(newCtrl);
_contentCanvas.Children.Add(newCtrl);
if (_lastPage == null)
{
return;
}
var moveRight = _lastMode == NavigationMode.Forward || _lastMode == NavigationMode.New;
var ctx = KeyMenuContext.GetContext(this);
ctx.PauseUpdates();
var newDa = new DoubleAnimation();
newDa.From = moveRight ? _contentGrid.ActualWidth : -_contentGrid.ActualWidth;
newDa.To = 0;
newDa.Duration = TimeSpan.FromSeconds(0.175);
newDa.EasingFunction = new PowerEase();
newDa.Completed += (s, e2) => ctx.ResumeUpdates();
newCtrl.Visibility = Visibility.Visible;
newCtrl.BeginAnimation(Canvas.LeftProperty, newDa);
var oldDa = new DoubleAnimation();
oldDa.From = 0;
oldDa.To = -newDa.From;
oldDa.Duration = newDa.Duration;
oldDa.EasingFunction = new PowerEase();
oldDa.Completed += (s, e2) => _contentCanvas.Children.Remove(_lastPage);
_lastPage.BeginAnimation(Canvas.LeftProperty, oldDa);
}
protected override void OnEvent(EventArgs eventArgs)
{
if (_registered)
{
return;
}
KeyMenuContext.Register(Source);
_targetElement = !ActiveOnFocus?GetRoot(Source) : Source;
if (FiredOn == KeyTriggerFiredOn.KeyDown)
{
_targetElement.KeyDown += OnKeyPress;
}
else
{
_targetElement.KeyUp += OnKeyPress;
}
_registered = true;
}
