public static Surface AddChild(Surface parent)
{
if (parent.Frame == null)
{
throw new ArgumentException("Illegal surface provided.");
}
Surface child = new Surface();
child.Frame = parent.Frame;
if (parent.Layout == SurfaceLayout.HORIZONTAL)
{
child.Layout = SurfaceLayout.VERTICAL;
}
else
{
child.Layout = SurfaceLayout.HORIZONTAL;
}
child.Model.Bounds = new RectangleF(parent.Model.X, parent.Model.Y, parent.Model.Width, parent.Model.Height);
parent.AddChild(child);
child.Model.SurfaceParent = parent;
return(child);
}
private static Surface Divide(Surface surface, PointF position, MullionType mullionType)
{
if (surface.Frame == null)
{
throw new ArgumentException("Illegal surface provided.");
}
Surface parent = (Surface)surface.Parent;
if (!surface.Bounds.Contains(position))
{
return(null);
}
Surface next = new Surface(surface.Layout);
Mullion mullion;
RectangleF parentBounds = parent.Model.Bounds;
RectangleF nextBounds = next.Bounds;
RectangleF surfaceBounds = surface.Model.Bounds;
if (parent.Layout == SurfaceLayout.VERTICAL)
{
mullion = new Mullion(Orientation.Horizontal, mullionType);
mullion.Frame = surface.Frame;
mullion.Model.MiddlePoint = position.Y - surface.Frame.Y;
mullion.Model.X = surfaceBounds.X;
mullion.Model.Length = surface.Width;
nextBounds.X = surfaceBounds.X;
nextBounds.Y = mullion.Model.Y + mullion.Thickness;
nextBounds.Width = surfaceBounds.Width;
nextBounds.Height = surfaceBounds.Height + surfaceBounds.Y - mullion.Model.Y - mullion.Thickness;
surfaceBounds.Height = mullion.Model.Y - surfaceBounds.Y;
}
else if (parent.Layout == SurfaceLayout.HORIZONTAL)
{
mullion = new Mullion(Orientation.Vertical, mullionType);
mullion.Frame = surface.Frame;
mullion.Model.MiddlePoint = position.X - surface.Frame.X;
mullion.Model.Y = surfaceBounds.Y;
mullion.Model.Length = surfaceBounds.Height;
nextBounds.X = mullion.Model.X + mullion.Thickness;
nextBounds.Y = surfaceBounds.Y;
nextBounds.Width = surfaceBounds.Width + surfaceBounds.X - mullion.Model.X - mullion.Thickness;
nextBounds.Height = surfaceBounds.Height;
surfaceBounds.Width = mullion.Model.X - surfaceBounds.X;
}
else
{
throw new ArgumentException("Illegal surface layout value.");
}
next.Model.SurfaceParent = parent;
next.Frame = surface.Frame;
next.Model.Bounds = nextBounds;
int index = surface.Index();
parent.AddChild(index + 1, mullion);
parent.AddChild(index + 2, next);
mullion.Frame.AddMullion(mullion);
// Because after setting bounds the surface will update herself with
// her next mullion, So this setting MUST happen after adding mullion
// and the next surface
if (parent.Layout == SurfaceLayout.VERTICAL)
{
surface.Model.Height = mullion.Model.Y - surface.Model.Y;
}
else
{
surface.Model.Width = mullion.Model.X - surface.Model.X;
}
return(next);
}