/// <summary>
/// Position the tool tip (Vertically)
/// </summary>
/// <param name="element">The Thumb that the tooltip will be possitioned next to.</param>
private void PositionToolTipVertically(Thumb element)
{
// Turn the tool tip to the side for a better appearance
ElementValueTipPopupRoot.RenderTransform = new RotateTransform { Angle = -90 };
double popupWidth = ElementValueTipPopupRoot.ActualWidth;
double thumbHeight = element.ActualHeight;
System.Windows.Media.GeneralTransform gt = element.TransformToVisual(this as UIElement);
//// Check if the popup will display too far up or down
double top = gt.Transform(new Point(0, (-(popupWidth / 2) + (thumbHeight / 2)))).Y;
double offset = Math.Abs(Math.Min(top, 0));
if (offset == 0)
{
// Check if the popup will display too far right and adjust
double bottom = gt.Transform(new Point(0, (-(popupWidth / 2) + (thumbHeight / 2)) + popupWidth)).Y;
offset = Math.Min(ActualHeight - bottom, 0);
}
Point tipOffset = new Point();
if (IsRangeEnabled)
{
tipOffset = gt.Transform(new Point(-(ElementValueTipPopupRoot.ActualHeight + (ElementHorizontalLowerThumb.Height / 2)), ((popupWidth / 2) + (thumbHeight / 2)) + offset));
}
else
{
tipOffset = gt.Transform(new Point(-ElementValueTipPopupRoot.ActualHeight, ((popupWidth / 2) + (thumbHeight / 2)) + offset));
}
ElementValueTipPopup.HorizontalOffset = tipOffset.X;
ElementValueTipPopup.VerticalOffset = tipOffset.Y;
}
/// <summary>
/// Position the tool tip (Horizontally)
/// </summary>
/// <param name="element">The Thumb that the tooltip will be possitioned above.</param>
private void PositionToolTipHorizontally(Thumb element)
{
double popupWidth = ElementValueTipPopupRoot.ActualWidth;
double thumbWidth = element.ActualWidth;
System.Windows.Media.GeneralTransform gt = element.TransformToVisual(this as UIElement);
// Check if the popup will display too far left and adjust
double farLeft = gt.Transform(new Point((-popupWidth / 2) + (thumbWidth / 2), 0)).X;
double offset = Math.Abs(Math.Min(0 + farLeft, 0));
//TODO: MAKE SURE '0' WORKS IF SLIDER IS NOT AGAINST THE SIDE
if (offset == 0)
{
// Check if the popup will display too far right and adjust
double farRight = gt.Transform(new Point(((-popupWidth / 2) + (thumbWidth / 2)) + popupWidth, 0)).X;
offset = Math.Min(ActualWidth - farRight, 0);
}
Point tipOffset = new Point();
if (IsRangeEnabled)
{
tipOffset = gt.Transform(new Point(((-popupWidth / 2) + (thumbWidth / 2)) + offset, -(ElementValueTipPopupRoot.ActualHeight + (ElementHorizontalLowerThumb.ActualHeight / 2)))); ;
}
else
{
tipOffset = gt.Transform(new Point(((-popupWidth / 2) + (thumbWidth / 2)) + offset, -ElementValueTipPopupRoot.ActualHeight)); ;
}
ElementValueTipPopup.HorizontalOffset = tipOffset.X;
ElementValueTipPopup.VerticalOffset = tipOffset.Y;
}
