public void BakeAtLocation(BakedLayout inProgressLayout)
{
int nestingLevel = 0;
AddNodeToLayout(inProgressLayout, Point.Zero, this.rootNode, nestingLevel);
BakeGroup(inProgressLayout, this.rootNode, Point.Zero, nestingLevel);
}
public void AddNodeToLayout(BakedLayout inProgressLayout, Point position, LayoutNode node, int nestingLevel)
{
if (node.IsBakable)
{
inProgressLayout.Add(node, new BakedLayoutNode(position, this.measurer.GetMeasuredSize(node.Size), nestingLevel));
}
}
public BakedLayout Bake()
{
if (!this.rootNode.Size.IsMeasurableAlong(Orientation.Horizontal) || !this.rootNode.Size.IsMeasurableAlong(Orientation.Vertical))
{
throw new ImpossibleLayoutException("Root node is not a constant size");
}
var bakedLayout = new BakedLayout(this.rootNode);
BakeAtLocation(bakedLayout);
return(bakedLayout);
}
public BakedFlowLayout(BakedLayout bakedLayout, RawFlowLayout rawFlowLayout)
{
this.bakedLayout = bakedLayout;
this.rawFlowLayout = rawFlowLayout;
this.rows = new BakedRow[this.rawFlowLayout.RowCount];
for (int rowIndex = 0; rowIndex < this.rawFlowLayout.RowCount; rowIndex++)
{
var rowItems = this.rawFlowLayout.GetItemNodes(rowIndex);
this.rows[rowIndex] = new BakedRow(bakedLayout, this.rawFlowLayout.GetRowName(rowIndex), this.rawFlowLayout.GetRowUsedSpace(rowIndex), rowItems);
}
UsedSpace = CalculateUsedSpace();
}
private void BakeGroup(BakedLayout inProgressLayout, LayoutNode parentNode, Point parentNodeLocation, int parentNestingLevel)
{
var isVertical = parentNode.Orientation == Orientation.Vertical;
var groupSize = this.measurer.GetMeasuredSize(parentNode.Size);
int remainingAlongSize = GetRemainingAlongSizeFromEasyNodes(parentNode, groupSize);
var perpendicularStretchSize = isVertical ? groupSize.X - parentNode.Margin.X * 2 : groupSize.Y - parentNode.Margin.Y * 2;
HandleStretchedNodes(parentNode, remainingAlongSize, perpendicularStretchSize);
// Place elements
PlaceAndBakeMeasuredElements(inProgressLayout, parentNode, parentNodeLocation, parentNestingLevel + 1);
}
private void PlaceAndBakeMeasuredElements(BakedLayout inProgressLayout, LayoutNode parentNode, Point parentNodeLocation, int currentNestingLevel)
{
var parentSize = this.measurer.GetMeasuredSize(parentNode.Size);
var nextPosition = parentNodeLocation
+ parentNode.Alignment.GetRelativePositionOfElement(parentSize, CalculateTotalUsedSpace(parentNode))
+ parentNode.Alignment.AddPostionDeltaFromMargin(parentNode.Margin)
;
foreach (var child in parentNode.Children)
{
var alignmentOffset = parentNode.Alignment.GetRelativePositionOfElement(CalculateTotalUsedSpace(parentNode), this.measurer.GetMeasuredSize(child.Size)).WithJustAxisValue(parentNode.Orientation.Opposite().ToAxis());
var childPosition = nextPosition + alignmentOffset;
AddNodeToLayout(inProgressLayout, childPosition, child, currentNestingLevel);
nextPosition += parentNode.Orientation.GetPointForAlongAxis(this.measurer.MeasureEdgeOfNode(child, parentNode.Orientation) + parentNode.Padding);
if (child.HasChildren)
{
BakeGroup(inProgressLayout, child, childPosition, currentNestingLevel);
}
}
}
public BakedRow(BakedLayout bakedLayout, string rowName, Point rowUsedSpace, LayoutNode[] itemNodes)
{
this.rowUsedSpace = rowUsedSpace;
this.rowNode = bakedLayout.GetNode(rowName);
this.itemNodes = bakedLayout.GetDirectChildrenOfNode(rowName);
}
