private static LayoutSize FlexParentSize(Orientation orientation, FlexLayoutStyle style, LayoutNode[] children)
{
var totalPadding = (children.Length - 1) * style.InnerStyle.Padding;
var totalAlongMargin = style.InnerStyle.Margin.AxisValue(orientation.ToAxis()) * 2;
var totalPerpendicularMargin = style.InnerStyle.Margin.AxisValue(orientation.Opposite().ToAxis()) * 2;
var measuredAlongSize = 0;
var largestPerpendicularSize = 0;
foreach (var child in children)
{
measuredAlongSize += child.Size.GetValueFromOrientation(orientation).ActualSize;
largestPerpendicularSize = Math.Max(largestPerpendicularSize, child.Size.GetValueFromOrientation(orientation.Opposite()).ActualSize);
}
var alongSize = measuredAlongSize + totalAlongMargin + totalPadding;
var perpendicularSize = largestPerpendicularSize + totalPerpendicularMargin;
if (style.MinAlongSize.HasValue)
{
alongSize = Math.Max(alongSize, style.MinAlongSize.Value);
}
if (style.MinPerpendicularSize.HasValue)
{
perpendicularSize = Math.Max(perpendicularSize, style.MinPerpendicularSize.Value);
}
if (orientation == Orientation.Horizontal)
{
return(LayoutSize.Pixels(alongSize, perpendicularSize));
}
else
{
return(LayoutSize.Pixels(perpendicularSize, alongSize));
}
}
public static RawLayout HorizontalFlexParent(string name, FlexLayoutStyle style, params LayoutNode[] children)
{
return(LayoutNode.HorizontalParent(name, FlexParentSize(Orientation.Horizontal, style, children), style.InnerStyle, children));
}
public static RawLayout OrientedFlexParent(Orientation orientation, string name, FlexLayoutStyle style, params LayoutNode[] children)
{
if (orientation == Orientation.Vertical)
{
return(VerticalFlexParent(name, style, children));
}
else
{
return(HorizontalFlexParent(name, style, children));
}
}
