private static void OnIsAnimationEnabledInvalidated(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
Panel panelToAnimate = dependencyObject as Panel;
if (panelToAnimate == null)
{
return;
}
if ((bool)e.NewValue)
{
if (panelToAnimate.ReadLocalValue(PanelLayoutAnimator.AttachedAnimatorProperty) != DependencyProperty.UnsetValue)
{
return;
}
PanelLayoutAnimator panelLayoutAnimator = new PanelLayoutAnimator(panelToAnimate);
panelToAnimate.SetValue(PanelLayoutAnimator.AttachedAnimatorProperty, (object)panelLayoutAnimator);
}
else
{
if (panelToAnimate.ReadLocalValue(PanelLayoutAnimator.AttachedAnimatorProperty) == DependencyProperty.UnsetValue)
{
return;
}
((PanelLayoutAnimator)panelToAnimate.ReadLocalValue(PanelLayoutAnimator.AttachedAnimatorProperty)).Detach();
panelToAnimate.SetValue(PanelLayoutAnimator.AttachedAnimatorProperty, DependencyProperty.UnsetValue);
}
}
private void PanelLayoutUpdated(object sender, EventArgs e)
{
bool flag = false;
foreach (UIElement uiElement in this._panel.Children)
{
Point point1 = uiElement.TransformToAncestor((Visual)this._panel).Transform(new Point());
Transform renderTransform = uiElement.RenderTransform;
Point point2 = point1;
if (renderTransform != null)
{
point2 = renderTransform.Inverse.Transform(point2);
}
if (uiElement.ReadLocalValue(PanelLayoutAnimator.SavedArrangePositionProperty) != DependencyProperty.UnsetValue)
{
Point point3 = (Point)uiElement.GetValue(PanelLayoutAnimator.SavedArrangePositionProperty);
if (!this.AreReallyClose(point3, point2))
{
Point point4 = renderTransform.Transform(point3);
TranslateTransform translateTransform = new TranslateTransform();
uiElement.RenderTransform = (Transform)translateTransform;
DoubleAnimation doubleAnimation1 = PanelLayoutAnimator.MakeAnimation(point4.X - point2.X, (TimeSpan)uiElement.GetValue(PanelLayoutAnimator.AnimationDurationProperty));
DoubleAnimation doubleAnimation2 = PanelLayoutAnimator.MakeAnimation(point4.Y - point2.Y, (TimeSpan)uiElement.GetValue(PanelLayoutAnimator.AnimationDurationProperty));
if (!flag)
{
doubleAnimation1.CurrentTimeInvalidated += new EventHandler(this.AnimationUpdated);
flag = true;
}
translateTransform.BeginAnimation(TranslateTransform.XProperty, (AnimationTimeline)doubleAnimation1);
translateTransform.BeginAnimation(TranslateTransform.YProperty, (AnimationTimeline)doubleAnimation2);
}
}
uiElement.SetValue(PanelLayoutAnimator.SavedArrangePositionProperty, (object)point2);
}
}
private static void OnIsAnimationEnabledInvalidated(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
Panel panelToAnimate = dependencyObject as Panel;
if (panelToAnimate == null)
return;
if ((bool)e.NewValue)
{
if (panelToAnimate.ReadLocalValue(PanelLayoutAnimator.AttachedAnimatorProperty) != DependencyProperty.UnsetValue)
return;
PanelLayoutAnimator panelLayoutAnimator = new PanelLayoutAnimator(panelToAnimate);
panelToAnimate.SetValue(PanelLayoutAnimator.AttachedAnimatorProperty, (object)panelLayoutAnimator);
}
else
{
if (panelToAnimate.ReadLocalValue(PanelLayoutAnimator.AttachedAnimatorProperty) == DependencyProperty.UnsetValue)
return;
((PanelLayoutAnimator)panelToAnimate.ReadLocalValue(PanelLayoutAnimator.AttachedAnimatorProperty)).Detach();
panelToAnimate.SetValue(PanelLayoutAnimator.AttachedAnimatorProperty, DependencyProperty.UnsetValue);
}
}