protected override Size ArrangeOverride(Size finalSize)
{
double numChildren = this.Children.Count;
if (numChildren > 0)
{
double totalScale = 0.0;
for (int i = 0; i < numChildren; i++)
{
var child = this.Children[i];
totalScale += UniformWidthPanel.GetScale(child);
}
double accumulatedScale = 0.0;
var newLeft = 0;
for (int i = 0; i < numChildren; i++)
{
var child = this.Children[i];
accumulatedScale += UniformWidthPanel.GetScale(child);
//var newRight = (int)Math.Round(finalSize.Width / numChildren * (i + 1));
var newRight = (int)Math.Round(finalSize.Width * accumulatedScale / totalScale);
var newWidth = newRight - newLeft;
Rect childRect = new Rect(newLeft, 0, newWidth, finalSize.Height);
child.Arrange(childRect);
newLeft += newWidth;
}
return(finalSize);
}
else
{
return(new Size());
}
}
protected override Size MeasureOverride(Size availableSize)
{
Size newSize = new Size();
if (double.IsInfinity(availableSize.Width) == false)
{
newSize.Width = availableSize.Width;
}
if (double.IsInfinity(availableSize.Height) == false)
{
newSize.Height = availableSize.Height;
}
double NumChildren = this.Children.Count;
if (NumChildren > 0)
{
double totalScale = 0.0;
for (int i = 0; i < NumChildren; i++)
{
var child = this.Children[i];
totalScale += UniformWidthPanel.GetScale(child);
}
//Size childSize = availableSize;
//childSize.Width /= NumChildren;
for (int i = 0; i < NumChildren; i++)
{
var child = this.Children[i];
Size scaledChildSize = availableSize;
var childScale = UniformWidthPanel.GetScale(child);
scaledChildSize.Width *= childScale / totalScale;
child.Measure(scaledChildSize);
if (child.DesiredSize.Height > newSize.Height)
{
newSize.Height = child.DesiredSize.Height;
}
}
}
return(newSize);
}
