protected override Size ArrangeContentOverride(Rect arrangeRect)
{
CalculateScrollBarValues();
double legendHeight = Math.Max(0, arrangeRect.Size.Height - ScrollBarHeight);
double legendY = 0;
if (IsSizingHeightToExpandableContent())
{
//use all the width, but only the height needed
legendHeight = Math.Min(legendHeight, Legend.DesiredSize.Height);
}
double scrollbarY = legendHeight;
if (!double.IsNaN(Height) || VerticalAlignment == VerticalAlignment.Stretch)
{
//VerticalContentAlignment matters only if space available is different from the needed space, which is only possible if
//LegendX is stretched or its height is defined
switch (VerticalContentAlignment)
{
case VerticalAlignment.Top:
case VerticalAlignment.Stretch:
break;
case VerticalAlignment.Center:
legendY = (arrangeRect.Size.Height - legendHeight - ScrollBarHeight) / 2;
scrollbarY = (arrangeRect.Size.Height - legendHeight + ScrollBarHeight) / 2;
break;
case VerticalAlignment.Bottom:
legendY = arrangeRect.Size.Height - legendHeight - ScrollBarHeight;
scrollbarY = arrangeRect.Size.Height - ScrollBarHeight;
break;
default:
throw new NotSupportedException();
}
}
Legend.ArrangeBorderPadding(arrangeRect, 0, legendY, arrangeRect.Size.Width, legendHeight);
ZoomOutButton.ArrangeBorderPadding(arrangeRect, 0, scrollbarY, ScrollBarHeight, ScrollBarHeight);
ScrollBar.ArrangeBorderPadding(arrangeRect, ScrollBarHeight, scrollbarY, Math.Max(0, arrangeRect.Size.Width - 2 * ScrollBarHeight), ScrollBarHeight);
ZoomInButton.ArrangeBorderPadding(arrangeRect, arrangeRect.Width - ScrollBarHeight, scrollbarY, ScrollBarHeight, ScrollBarHeight);
//if (IsSizingHeightToExpandableContent()) {
// return new Size(arrangeRect.Size.Width, legendHeight + scrollHeight);
//} else {
return(arrangeRect.Size);
//}
}
protected override Size ArrangeContentOverride(Rect arrangeRect)
{
CalculateScrollBarValues();
double legendWidth = arrangeRect.Size.Width - ScrollBarWidth;
double legendX = 0;
if (IsSizingWidthToExpandableContent())
{
//use all the height, but only the width needed
legendWidth = Math.Min(legendWidth, Legend.DesiredSize.Width);
}
double scrollbarX = legendWidth;
if (!double.IsNaN(Width) || HorizontalAlignment == HorizontalAlignment.Stretch)
{
//HorizontalContentAlignment matters only if space available is different from the needed space, which is only possible if
//LegendY is stretched or its width is defined
switch (HorizontalContentAlignment)
{
case HorizontalAlignment.Left:
case HorizontalAlignment.Stretch:
break;
case HorizontalAlignment.Center:
legendX = (arrangeRect.Size.Width - legendWidth - ScrollBarWidth) / 2;
scrollbarX = (arrangeRect.Size.Width + legendWidth - ScrollBarWidth) / 2;
break;
case HorizontalAlignment.Right:
legendX = arrangeRect.Size.Width - legendWidth - ScrollBarWidth;
scrollbarX = arrangeRect.Size.Width - ScrollBarWidth;
break;
default:
throw new NotSupportedException();
}
}
Legend.ArrangeBorderPadding(arrangeRect, legendX, 0, legendWidth, arrangeRect.Size.Height);
ZoomInButton.ArrangeBorderPadding(arrangeRect, scrollbarX, 0, ScrollBarWidth, ScrollBarWidth);
ScrollBar.ArrangeBorderPadding(arrangeRect, scrollbarX, ScrollBarWidth, ScrollBarWidth, Math.Max(0, arrangeRect.Size.Height - 2 * ScrollBarWidth));
ZoomOutButton.ArrangeBorderPadding(arrangeRect, scrollbarX, arrangeRect.Height - ScrollBarWidth, ScrollBarWidth, ScrollBarWidth);
//if (IsSizingHeightToExpandableContent()) {
// return new Size(arrangeRect.Size.Width, legendHeight + scrollHeight);
//} else {
return(arrangeRect.Size);
//}
}