protected override Size ArrangeOverride(Size arrangeSize)
{
foreach (UIElement child in Children)
{
var childRow = HexagonalGrid.GetRow(child);
var childColumn = HexagonalGrid.GetColumn(child);
var xPos = childColumn * _childSize.Width * 0.75;
var yPos = _childSize.Height * (childRow + (this.IsOffsetColumn(childColumn) ? 0.5 : 0));
child.Arrange(new Rect(xPos, yPos, _childSize.Width, _childSize.Height));
}
return(arrangeSize);
}
protected override Size MeasureOverride(Size availableSize)
{
var hexRectBounds = new Size(0, 0);
var maxRow = 1;
var maxColumn = 1;
if (GridEdgeLength.IsAuto || GridEdgeLength.IsStar)
{
foreach (UIElement child in Children)
{
child.Measure(InfiniteSize);
hexRectBounds.Width = Math.Max(hexRectBounds.Width, child.DesiredSize.Width);
hexRectBounds.Height = Math.Max(hexRectBounds.Height, child.DesiredSize.Height);
maxRow = Math.Max(maxRow, HexagonalGrid.GetRow(child));
maxColumn = Math.Max(maxColumn, HexagonalGrid.GetColumn(child));
}
}
else
{
hexRectBounds = new Size(GridEdgeLength.Value * 2, GridEdgeLength.Value * 2 * HexMinRadiusToMaxRadiusRatio);
foreach (UIElement child in Children)
{
child.Measure(hexRectBounds);
}
}
_childSize = hexRectBounds;
var cols = (Columns == 0 ? maxColumn : Columns) * 0.75 + 0.25;
var rows = (Rows == 0 ? maxRow : Rows) + 0.5;
var resultSize = new Size(_childSize.Width * cols, _childSize.Height * rows);
resultSize.Width = double.IsPositiveInfinity(availableSize.Width)
? resultSize.Width
: availableSize.Width;
resultSize.Height = double.IsPositiveInfinity(availableSize.Height)
? resultSize.Height
: availableSize.Height;
return(resultSize);
}