Size MeasureAndArrange(IGridLayout grid, double widthConstraint = double.PositiveInfinity, double heightConstraint = double.PositiveInfinity)
{
var manager = new GridLayoutManager(grid);
var measuredSize = manager.Measure(widthConstraint, heightConstraint);
manager.ArrangeChildren(new Rectangle(Point.Zero, measuredSize));
return(measuredSize);
}
public void CanSpanAbsoluteRows()
{
var grid = CreateGridLayout(rows: "100,100", columns: "auto");
var view0 = CreateTestView(new Size(100, 150));
AddChildren(grid, view0);
SetLocation(grid, view0, rowSpan: 2);
var manager = new GridLayoutManager(grid);
manager.Measure(100, 200);
manager.ArrangeChildren(new Rectangle(0, 0, 100, 200));
// View should be arranged to span both rows (200 points)
AssertArranged(view0, 0, 0, 100, 200);
}
public void EmptyAutoColumnsHaveNoWidth()
{
var grid = CreateGridLayout(columns: "100, auto, 100");
var view0 = CreateTestView(new Size(100, 100));
var view2 = CreateTestView(new Size(100, 100));
AddChildren(grid, view0, view2);
SetLocation(grid, view0);
SetLocation(grid, view2, col: 2);
var manager = new GridLayoutManager(grid);
var measure = manager.Measure(double.PositiveInfinity, double.PositiveInfinity);
manager.ArrangeChildren(new Rectangle(0, 0, measure.Width, measure.Height));
// Because the auto column has no content, we expect it to have width zero
Assert.Equal(100 + 100, measure.Width);
// Verify the offset for the third column
AssertArranged(view2, 100, 0, 100, 100);
}
public Size ArrangeChildren(Rectangle bounds)
{
return(_manager.ArrangeChildren(bounds));
}
