/// <summary>
/// Create the actual storyboard that will be used to animate the transition. Use all previously calculated results.
/// </summary>
/// <param name="duration">The duration of the animation</param>
/// <param name="ease">The easing function to be used in the animation</param>
/// <param name="movingElements">The set of elements that will be moving</param>
/// <param name="oldOpacities">The old opacities of the elements whose viisibility is changing</param>
/// <returns>The storyboard</returns>
private static Storyboard CreateLayoutTransitionStoryboard(VisualTransition transition, List<FrameworkElement> movingElements, Dictionary<FrameworkElement, double> oldOpacities)
{
Duration duration = (transition != null) ? transition.GeneratedDuration : new Duration(TimeSpan.Zero);
EasingFunctionBase function = (transition != null) ? transition.GeneratedEasingFunction : null;
Storyboard storyboard = new Storyboard
{
Duration = duration
};
foreach (FrameworkElement element in movingElements)
{
WrapperCanvas parent = element.Parent as WrapperCanvas;
if (parent != null)
{
DoubleAnimation timeline = new DoubleAnimation
{
From = 1.0,
To = 0.0,
Duration = duration,
EasingFunction = function
};
Storyboard.SetTarget(timeline, parent);
Storyboard.SetTargetProperty(timeline, "SimulationProgress" /*WrapperCanvas.SimulationProgressProperty*/);
storyboard.Children.Add(timeline);
parent.SimulationProgress = 1.0;
Rect newRect = parent.NewRect;
if (!IsClose(parent.Width, newRect.Width))
{
DoubleAnimation animation3 = new DoubleAnimation
{
From = new double?(newRect.Width),
To = new double?(newRect.Width),
Duration = duration
};
Storyboard.SetTarget(animation3, parent);
Storyboard.SetTargetProperty(animation3, "Width" /*FrameworkElement.WidthProperty*/);
storyboard.Children.Add(animation3);
}
if (!IsClose(parent.Height, newRect.Height))
{
DoubleAnimation animation5 = new DoubleAnimation
{
From = new double?(newRect.Height),
To = new double?(newRect.Height),
Duration = duration
};
Storyboard.SetTarget(animation5, parent);
Storyboard.SetTargetProperty(animation5, "Height" /*FrameworkElement.HeightProperty*/);
storyboard.Children.Add(animation5);
}
if (parent.DestinationVisibilityCache == Visibility.Collapsed)
{
Thickness margin = parent.Margin;
if ((!IsClose(margin.Left, 0.0) || !IsClose(margin.Top, 0.0)) || (!IsClose(margin.Right, 0.0) || !IsClose(margin.Bottom, 0.0)))
{
ObjectAnimationUsingKeyFrames frames = new ObjectAnimationUsingKeyFrames
{
Duration = duration
};
DiscreteObjectKeyFrame frame2 = new DiscreteObjectKeyFrame
{
KeyTime = TimeSpan.Zero
};
Thickness thickness2 = new Thickness();
frame2.Value = thickness2;
DiscreteObjectKeyFrame frame = frame2;
frames.KeyFrames.Add(frame);
Storyboard.SetTarget(frames, parent);
Storyboard.SetTargetProperty(frames, "Margin" /*FrameworkElement.MarginProperty*/);
storyboard.Children.Add(frames);
}
if (!IsClose(parent.MinWidth, 0.0))
{
DoubleAnimation animation7 = new DoubleAnimation
{
From = 0.0,
To = 0.0,
Duration = duration
};
Storyboard.SetTarget(animation7, parent);
Storyboard.SetTargetProperty(animation7, "MinWidth" /*FrameworkElement.MinWidthProperty*/);
storyboard.Children.Add(animation7);
}
if (!IsClose(parent.MinHeight, 0.0))
{
DoubleAnimation animation9 = new DoubleAnimation
{
From = 0.0,
To = 0.0,
Duration = duration
};
Storyboard.SetTarget(animation9, parent);
Storyboard.SetTargetProperty(animation9, "MinHeight" /*FrameworkElement.MinHeightProperty*/);
storyboard.Children.Add(animation9);
}
}
}
}
foreach (FrameworkElement element2 in oldOpacities.Keys)
{
WrapperCanvas target = element2.Parent as WrapperCanvas;
if (target != null)
{
double a = oldOpacities[element2];
double num2 = (target.DestinationVisibilityCache == Visibility.Visible) ? 1.0 : 0.0;
if (!IsClose(a, 1.0) || !IsClose(num2, 1.0))
{
DoubleAnimation animation11 = new DoubleAnimation
{
From = new double?(a),
To = new double?(num2),
Duration = duration,
EasingFunction = function
};
Storyboard.SetTarget(animation11, target);
Storyboard.SetTargetProperty(animation11, "Opacity" /*UIElement.OpacityProperty*/);
storyboard.Children.Add(animation11);
}
}
}
return storyboard;
}
