public static LayoutNode Spacer(Point size)
{
return(new LayoutNode(false, LayoutNodeName.Nameless, LayoutSize.Pixels(size),
/*Ignored params:*/
Orientation.Horizontal,
LayoutStyle.Empty,
null));
}
public void ConsumeInstruction(FlowLayoutInstruction instruction)
{
if (instruction == FlowLayoutInstruction.Linebreak)
{
if (HasRoomForAnotherRow(LayoutNode.NamelessLeaf(LayoutSize.Pixels(0, 0))))
{
AddNewRow();
}
}
}
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 LayoutNode GetLayoutNode(string rowNodeName)
{
var size = Orientation.GetPointFromAlongPerpendicular(AvailableAlongSize, UsedPerpendicularSize);
return(LayoutNode.OrientedParent(Orientation, rowNodeName, LayoutSize.Pixels(size), RowStyle, Content.ToArray()));
}
/// <summary>
/// Returns a LayoutNode just like this one with the same children, only resized
/// </summary>
/// <param name="newSize"></param>
/// <returns></returns>
public RawLayout GetResized(Point newSize)
{
return(new RawLayout(new LayoutNode(IsBakable, Name, LayoutSize.Pixels(newSize.X, newSize.Y), Orientation, Style, Children)));
}
internal RawFlowLayout(string name, LayoutSize size, LayoutStyle workableAreaStyle, Orientation orientation, FlowLayoutStyle style, FlowLayoutRows rows) : base(
LayoutNode.OneOffParent(name, size, workableAreaStyle,
LayoutNode.OrientedParent(orientation.Opposite(), "rows", LayoutSize.Pixels(rows.UsedSize), new LayoutStyle(padding: style.PaddingBetweenRows),
rows.GetLayoutNodesOfEachRow()
)
))
{
this.orientation = orientation;
this.rowNodes = rows.GetLayoutNodesOfEachRow();
this.rowUsedSpace = rows.GetUsedSpaceOfEachRow();
}
