protected override SizeF MeasureOverride(SizeF availableSize)
{
SizeF empty = SizeF.Empty;
float num = 0.0f;
float width = availableSize.Width;
float height = availableSize.Height;
List <RadElement> radElementList1 = new List <RadElement>();
List <RadElement> radElementList2 = new List <RadElement>();
for (int index = 0; index < this.Children.Count; ++index)
{
RadElement child = this.Children[index];
if (child.AutoSize)
{
float proportion = BoxLayout.GetProportion(child);
if ((double)proportion == 0.0)
{
child.Measure(availableSize);
if (this.Orientation == Orientation.Horizontal)
{
width -= child.DesiredSize.Width;
empty.Width += child.DesiredSize.Width;
empty.Height = Math.Max(empty.Height, child.DesiredSize.Height);
}
else
{
height -= child.DesiredSize.Height;
empty.Height += child.DesiredSize.Height;
empty.Width = Math.Max(empty.Width, child.DesiredSize.Width);
}
radElementList2.Add(child);
}
else
{
radElementList1.Add(child);
}
num += proportion;
}
}
if ((double)num == 0.0)
{
width = availableSize.Width;
height = availableSize.Height;
}
for (int index = 0; index < radElementList1.Count; ++index)
{
RadElement element = radElementList1[index];
if (element != null && element.AutoSize)
{
float proportion = BoxLayout.GetProportion(element);
if (this.Orientation == Orientation.Horizontal)
{
SizeF availableSize1 = new SizeF(proportion * width / num, height);
element.Measure(availableSize1);
empty.Width += element.DesiredSize.Width;
empty.Height = Math.Max(empty.Height, element.DesiredSize.Height);
}
else
{
SizeF availableSize1 = new SizeF(width, proportion * height / num);
element.Measure(availableSize1);
empty.Height += element.DesiredSize.Height;
empty.Width = Math.Max(empty.Width, element.DesiredSize.Width);
}
}
}
return(empty);
}
protected override SizeF ArrangeOverride(SizeF finalSize)
{
PointF empty1 = PointF.Empty;
PointF empty2 = PointF.Empty;
if (this.Orientation == Orientation.Horizontal)
{
empty2.X = finalSize.Width;
}
if (this.Orientation == Orientation.Vertical)
{
empty2.Y = finalSize.Height;
}
SizeF empty3 = SizeF.Empty;
List <RadElement> radElementList1 = new List <RadElement>();
List <RadElement> radElementList2 = new List <RadElement>();
List <RadElement> radElementList3 = new List <RadElement>();
float width1 = finalSize.Width;
float height = finalSize.Height;
float num1 = 0.0f;
for (int index = 0; index < this.Children.Count; ++index)
{
RadElement child = this.Children[index];
if (child.AutoSize && child != null)
{
float proportion = BoxLayout.GetProportion(child);
if (this.Orientation == Orientation.Horizontal)
{
if (child.StretchHorizontally)
{
radElementList1.Add(child);
}
else
{
radElementList2.Add(child);
}
}
else if (child.StretchVertically)
{
radElementList1.Add(child);
}
else
{
radElementList2.Add(child);
}
if ((double)proportion != 0.0)
{
radElementList3.Add(child);
}
else if (this.Orientation == Orientation.Horizontal)
{
width1 -= child.DesiredSize.Width;
}
else
{
height -= child.DesiredSize.Height;
}
num1 += proportion;
}
}
if ((double)num1 == 0.0)
{
width1 = finalSize.Width;
height = finalSize.Height;
}
for (int index = 0; index < radElementList2.Count; ++index)
{
RadElement element = radElementList2[index];
if (element.AutoSize)
{
SizeF size = SizeF.Empty;
float proportion = BoxLayout.GetProportion(element);
if ((double)proportion == 0.0)
{
size = element.DesiredSize;
}
if (this.Orientation == Orientation.Horizontal)
{
if ((double)proportion != 0.0)
{
size = new SizeF(width1 * proportion / num1, height);
}
empty3.Width += size.Width;
size.Height = height;
if ((BoxLayout.StripPosition)element.GetValue(BoxLayout.StripPositionProperty) == BoxLayout.StripPosition.First ^ this.RightToLeft)
{
element.Arrange(new RectangleF(empty1, size));
empty1.X += size.Width;
}
else
{
empty2.X -= size.Width;
element.Arrange(new RectangleF(empty2, size));
}
}
else
{
if ((double)proportion != 0.0)
{
size = new SizeF(width1, height * proportion / num1);
}
empty3.Height += element.DesiredSize.Height;
size.Width = width1;
switch ((BoxLayout.StripPosition)element.GetValue(BoxLayout.StripPositionProperty))
{
case BoxLayout.StripPosition.First:
element.Arrange(new RectangleF(empty1, size));
empty1.Y += size.Height;
continue;
case BoxLayout.StripPosition.Last:
empty2.Y -= size.Height;
element.Arrange(new RectangleF(empty2, size));
continue;
default:
continue;
}
}
}
}
for (int index = 0; index < radElementList1.Count; ++index)
{
float num2 = 0.0f;
float num3 = 0.0f;
RadElement element = radElementList1[index];
if (element.AutoSize)
{
SizeF size = SizeF.Empty;
float proportion = BoxLayout.GetProportion(element);
if ((double)proportion == 0.0)
{
size = element.DesiredSize;
}
if (this.Orientation == Orientation.Horizontal)
{
if ((double)proportion != 0.0)
{
size = new SizeF(width1 * proportion / num1, height);
}
else
{
size.Width = width1 - empty3.Width;
}
float width2 = size.Width;
size.Height = height;
if (!this.RightToLeft)
{
element.Arrange(new RectangleF(empty1, size));
empty1.X += width2;
empty1.Y += num3;
}
else
{
empty2.X -= width2;
empty2.Y -= num3;
element.Arrange(new RectangleF(empty2, size));
}
}
else
{
if ((double)proportion != 0.0)
{
size = new SizeF(width1, height * proportion / num1);
num3 = size.Height;
}
else
{
size.Height = height - empty3.Height;
size.Width = width1;
}
element.Arrange(new RectangleF(empty1, size));
empty1.X += num2;
empty1.Y += num3;
}
}
}
return(finalSize);
}
