public IEnumerable <AdornerPlacementValue> GetPositionTerms(AdornerCoordinateSpace space, UIElement adorner, ViewItem adornedElement, Vector zoom, Size computedAdornerSize)
{
double width = 0.0;
ViewItem element = !(this._relativeTo == (ViewItem)null) ? this._relativeTo : adornedElement;
if (element != (ViewItem)null)
{
width = space.GetBoundingBox(element).Width;
}
Vector targetPositionScale = ScaledSpace.GetTargetPositionScale(adorner);
double left = (this._factor * width + this._offset) * targetPositionScale.X;
yield return(new AdornerPlacementValue(AdornerPlacementDimension.Left, left));
}
public IEnumerable <AdornerPlacementValue> GetPositionTerms(AdornerCoordinateSpace space, UIElement adorner, ViewItem adornedElement, Vector zoom, Size computedAdornerSize)
{
double height = 0.0;
ViewItem element = !(this._relativeTo == (ViewItem)null) ? this._relativeTo : adornedElement;
if (element != (ViewItem)null)
{
height = space.GetBoundingBox(element).Height;
}
Vector targetPositionScale = ScaledSpace.GetTargetPositionScale(adorner);
double top = (this._factor * height + this._offset) * targetPositionScale.Y;
yield return(new AdornerPlacementValue(AdornerPlacementDimension.Top, top));
}
public IEnumerable <AdornerPlacementValue> GetSizeTerms(AdornerCoordinateSpace space, UIElement adorner, ViewItem adornedElement, Vector zoom, Size adornedElementFinalSize)
{
double height = 0.0;
ViewItem element = (ViewItem)null;
element = !(this._relativeTo == (ViewItem)null) ? this._relativeTo : adornedElement;
if (element != (ViewItem)null)
{
height = space.GetBoundingBox(element).Height;
}
Vector targetSizeScale = ScaledSpace.GetTargetSizeScale(adorner, zoom);
height = (this._factor * height + this._offset) * targetSizeScale.Y;
yield return(new AdornerPlacementValue(AdornerPlacementDimension.Height, height));
}
private void SetAdornerBounds(UIElement childAdorner, ViewItem adornedElement, Point location, Vector scale)
{
AdornerCoordinateSpace @default = AdornerCoordinateSpaces.Default;
Rect finalRect;
if (adornedElement != (ViewItem)null)
{
finalRect = @default.GetBoundingBox(adornedElement);
}
else
{
Size desiredSize = childAdorner.DesiredSize;
finalRect = new Rect();
finalRect.Width = desiredSize.Width;
finalRect.Height = desiredSize.Height;
}
finalRect.X = location.X;
finalRect.Y = location.Y;
finalRect.Width *= Math.Abs(scale.X);
finalRect.Height *= Math.Abs(scale.Y);
childAdorner.Arrange(finalRect);
}