private static RawFlowLayout OrientedFlowParent(Orientation orientation, string name, LayoutSize size, FlowLayoutStyle style, params LayoutNodeOrInstruction[] children)
{
var workableAreaStyle = new LayoutStyle(margin: style.Margin, alignment: style.Alignment);
var workableArea = LayoutNode.NamelessOneOffParent(size, workableAreaStyle, LayoutNode.Leaf("workableArea", LayoutSize.StretchedBoth())).Bake().GetNode("workableArea");
var rows = new FlowLayoutRows(workableArea.Size, style, orientation);
foreach (var item in children)
{
if (item.IsLayoutNode)
{
if (!rows.CanFitItemPerpendicular(item))
{
break;
}
if (rows.CanFitItemAlongCurrentRow(item))
{
rows.AddItemToCurrentRow(item);
}
else
{
rows.CreateNextRowAndAdd(item);
}
}
else if (item.IsInstruction)
{
rows.ConsumeInstruction(item);
}
}
return(new RawFlowLayout(name, size, workableAreaStyle, orientation, style, rows));
}
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();
}
/// <summary>
/// This is only called by the static constructor methods. Most constructors ignore everything past "size"
/// </summary>
private LayoutNode(bool isBakable, LayoutNodeName name, LayoutSize size, Orientation orientation, LayoutStyle style, LayoutNode[] children)
{
IsBakable = isBakable;
Name = name;
Size = size;
Orientation = orientation;
if (children != null)
{
Children = children;
}
Style = style;
}
public static RawLayout OrientedParent(Orientation orientation, string name, LayoutSize size, LayoutStyle style, params LayoutNode[] children)
{
if (orientation == Orientation.Horizontal)
{
return(HorizontalParent(name, size, style, children));
}
else
{
return(VerticalParent(name, size, style, children));
}
}
public static RawLayout OneOffParent(string name, LayoutSize size, LayoutStyle style, LayoutNode child)
{
// Horizontal/Vertical does not matter here
return(HorizontalParent(name, size, style, child));
}
public static RawLayout NamelessOneOffParent(LayoutSize size, LayoutStyle style, LayoutNode child)
{
// Horizontal/Vertical does not matter here
return(HorizontalParent("root", size, style, child));
}
public static LayoutNode NamelessHorizontalParent(LayoutSize size, LayoutStyle style, params LayoutNode[] children)
{
return(new RawLayout(new LayoutNode(true, LayoutNodeName.Nameless, size, Orientation.Horizontal, style, children)));
}
public static RawLayout HorizontalParent(string name, LayoutSize size, LayoutStyle style, params LayoutNode[] children)
{
return(new RawLayout(new LayoutNode(true, name, size, Orientation.Horizontal, style, children)));
}