protected virtual void OnCompletedTransition(Storyboard oldStoryboard, FrameworkElement oldPresenter, Storyboard newStoryboard, FrameworkElement newPresenter, Point origin, ITransitionContainer container)
{
if (oldPresenter != null)
{
oldPresenter.Visibility = Visibility.Hidden;
}
if (newPresenter != null)
{
newPresenter.Visibility = Visibility.Visible;
}
container.SetZIndexOrderBy(newPresenter, oldPresenter);
container.OnCompletedTransition();
oldStoryboard?.Remove(oldPresenter);
newStoryboard?.Remove(newPresenter);
}
public virtual void Wipe(FrameworkElement oldPresenter, FrameworkElement newPresenter, Point origin, ITransitionContainer container)
{
switch (OriginZIndexOrder)
{
case ZIndexOrder.NewPresenterAbove:
container.SetZIndexOrderBy(newPresenter, oldPresenter);
break;
case ZIndexOrder.OldPresenterAbove:
container.SetZIndexOrderBy(oldPresenter, newPresenter);
break;
default:
break;
}
if (oldPresenter == null && newPresenter == null)
{
OnCompletedTransition(null, null, null, null, origin, container);
return;
}
var oldStoryboard = PrepareStoryboardForOldPresenter(oldPresenter, newPresenter, origin, container);
var newStoryboard = PrepareStoryboardForNewPresenter(oldPresenter, newPresenter, origin, container);
if (oldStoryboard == null && newStoryboard == null)
{
OnCompletedTransition(null, oldPresenter, null, newPresenter, origin, container);
return;
}
oldPresenter.Visibility = Visibility.Visible;
newPresenter.Visibility = Visibility.Visible;
var order = this.TransitionOrder;
switch (order)
{
case TransitionOrder.Both:
int complatedCount = 0, transitionCount = 0;
if (oldStoryboard != null && oldPresenter != null)
{
transitionCount++;
this.BeginTransition(oldStoryboard, oldPresenter, container, (s, e) =>
{
complatedCount++;
OnEndedTransitionOfOldPresenter(oldPresenter, newPresenter, origin, container);
if (complatedCount >= transitionCount)
{
OnCompletedTransition(oldStoryboard, oldPresenter, newStoryboard, newPresenter, origin, container);
}
});
}
if (newStoryboard != null && newPresenter != null)
{
transitionCount++;
this.BeginTransition(newStoryboard, newPresenter, container, (s, e) =>
{
complatedCount++;
OnEndedTransitionOfNewPresenter(oldPresenter, newPresenter, origin, container);
if (complatedCount >= transitionCount)
{
OnCompletedTransition(oldStoryboard, oldPresenter, newStoryboard, newPresenter, origin, container);
}
});
}
break;
case TransitionOrder.OldFirst:
if (oldStoryboard != null && oldPresenter != null)
{
this.BeginTransition(oldStoryboard, oldPresenter, container, (s, e) =>
{
OnEndedTransitionOfOldPresenter(oldPresenter, newPresenter, origin, container);
if (newStoryboard != null && newPresenter != null)
{
this.BeginTransition(newStoryboard, newPresenter, container, (s1, e1) =>
{
OnEndedTransitionOfNewPresenter(oldPresenter, newPresenter, origin, container);
OnCompletedTransition(oldStoryboard, oldPresenter, newStoryboard, newPresenter, origin, container);
});
}
else
{
OnCompletedTransition(oldStoryboard, oldPresenter, newStoryboard, newPresenter, origin, container);
}
});
}
else if (newStoryboard != null && newPresenter != null)
{
this.BeginTransition(newStoryboard, newPresenter, container, (s, e) =>
{
OnEndedTransitionOfNewPresenter(oldPresenter, newPresenter, origin, container);
OnCompletedTransition(oldStoryboard, oldPresenter, newStoryboard, newPresenter, origin, container);
});
}
else
{
OnCompletedTransition(oldStoryboard, oldPresenter, newStoryboard, newPresenter, origin, container);
}
break;
case TransitionOrder.NewFirst:
if (newStoryboard != null && newPresenter != null)
{
this.BeginTransition(newStoryboard, newPresenter, container, (s, e) =>
{
//s.Seek(e, TimeSpan.Zero, TimeSeekOrigin.BeginTime);
s.Remove(e);
OnEndedTransitionOfNewPresenter(oldPresenter, newPresenter, origin, container);
if (oldStoryboard != null && oldPresenter != null)
{
this.BeginTransition(oldStoryboard, oldPresenter, container, (s1, e1) =>
{
OnEndedTransitionOfOldPresenter(oldPresenter, newPresenter, origin, container);
OnCompletedTransition(oldStoryboard, oldPresenter, newStoryboard, newPresenter, origin, container);
});
}
else
{
OnCompletedTransition(oldStoryboard, oldPresenter, newStoryboard, newPresenter, origin, container);
}
});
}
else if (oldStoryboard != null && oldPresenter != null)
{
this.BeginTransition(oldStoryboard, oldPresenter, container, (s, e) =>
{
OnEndedTransitionOfOldPresenter(oldPresenter, newPresenter, origin, container);
OnCompletedTransition(oldStoryboard, oldPresenter, newStoryboard, newPresenter, origin, container);
});
}
else
{
OnCompletedTransition(oldStoryboard, oldPresenter, newStoryboard, newPresenter, origin, container);
}
break;
default:
break;
}
}