public static IControl Create(Axis2D axis, Brush brush)
{
var four = Observable.Return <Points>(3);
var two = Observable.Return <Points>(1);
var gentle = Observable.Return(new CornerRadius(1));
return(Layout
.Stack(
axis == Axis2D.Horizontal ? Direction2D.LeftToRight : Direction2D.TopToBottom,
Shapes.Rectangle(fill: brush, cornerRadius: gentle).WithDimension(axis, four),
Control.Empty.WithDimension(axis, two),
Shapes.Rectangle(fill: brush, cornerRadius: gentle).WithDimension(axis, four),
Control.Empty.WithDimension(axis, two),
Shapes.Rectangle(fill: brush, cornerRadius: gentle).WithDimension(axis, four))
.WithDimension(axis.Opposite(), Observable.Return <Points>(12))
.Center()
.WithSize(new Size <Points>(12, 16))
);
}
public static IControl Subdivide(Axis2D axis, IImmutableList <Subdivision> divisions)
{
if (axis == Axis2D.Vertical && Platform.OperatingSystem == OS.Mac)
{
divisions = divisions.Reverse().ToImmutableList();
}
var u = axis;
var v = axis.Opposite();
var sizesV = divisions.Select(d => d.Control.DesiredSize[v]);
return(Layer((isRooted, availableSize, parentFrame) =>
{
var frame = ObservableMath.RectangleWithSize(parentFrame.Size);
var columns = divisions.Select(d => d.Span).ToArray();
var intervals = frame[axis].Subdivide(columns);
var columnCount = columns.Sum();
var tmp = new IControl[intervals.Length];
for (int i = 0; i < intervals.Length; i++)
{
var span = divisions[i].Span;
var ratio = span / columnCount;
var node = divisions[i].Control;
tmp[i] = node.WithFrame(
frame.WithAxis(axis, intervals[i]),
availableSize.WithAxis(axis, ov => ov.Mul(ratio)));
}
return tmp;
})
.WithSize(desiredSize: Size.Create(
Observable.Return <Points>(0),
sizesV.Aggregate(Observable.Return <Points>(0), (a, b) => a.Max(b)),
firstAxis: u)));
}