private static void WrapMovingElementsInCanvases(List <FrameworkElement> movingElements,
Dictionary <FrameworkElement, Rect> oldRects, Dictionary <FrameworkElement, Rect> newRects)
{
foreach (var element in movingElements)
{
var parent = VisualTreeHelper.GetParent(element) as FrameworkElement;
var canvas = new WrapperCanvas
{
OldRect = oldRects[element],
NewRect = newRects[element]
};
var obj2 = CacheLocalValueHelper(element, FrameworkElement.DataContextProperty);
element.DataContext = element.DataContext;
var flag = true;
if (parent is Panel panel && !panel.IsItemsHost)
{
var index = panel.Children.IndexOf(element);
panel.Children.RemoveAt(index);
panel.Children.Insert(index, canvas);
}
/// <summary>
/// Take all the elements that will be moving as a result of the layout animation, and wrap them in Canvases so that
/// they do not affect their sibling elements.
/// </summary>
/// <param name="movingElements">The set of elements that will be moving</param>
private static void WrapMovingElementsInCanvases(List<FrameworkElement> movingElements, Dictionary<FrameworkElement, Rect> oldRects, Dictionary<FrameworkElement, Rect> newRects)
{
foreach (FrameworkElement element in movingElements)
{
FrameworkElement parent = VisualTreeHelper.GetParent(element) as FrameworkElement;
WrapperCanvas canvas = new WrapperCanvas
{
OldRect = oldRects[element],
NewRect = newRects[element]
};
foreach (DependencyProperty property in LayoutProperties)
{
if (!ChildAffectingLayoutProperties.Contains(property) && (CacheLocalValueHelper(element, property) != CacheActualValueHelper(element, property)))
{
break;
}
}
bool flag = true;
Panel panel = parent as Panel;
if ((panel != null) && !panel.IsItemsHost)
{
int index = panel.Children.IndexOf(element);
panel.Children.RemoveAt(index);
panel.Children.Insert(index, canvas);
}
else
{
Border border = parent as Border;
if (border != null)
{
border.Child = canvas;
}
else
{
flag = false;
}
}
if (flag)
{
canvas.Children.Add(element);
CopyLayoutProperties(element, canvas, false);
}
}
}
