private void CreateConstraints()
{
var rowConstrainers = RowConstraints.Select(c => new Constrainer(c)).ToList();
var colConstrainers = ColumnConstraints.Select(c => new Constrainer(c)).ToList();
rowConstraintList = Enumerable.Range(0, NumRows).Select(i => new ConstraintListWrapper(i, true, rowConstrainers[i])).ToList();
colConstraintList = Enumerable.Range(0, NumColumns).Select(i => new ConstraintListWrapper(i, false, colConstrainers[i])).ToList();
Debug.Assert(rowConstraintList.Count == NumRows);
Debug.Assert(colConstraintList.Count == NumColumns);
}
protected override void OnChildAdded(IWidget child, int index, Point constraint)
{
List <IWidget> widgets;
if (widgetsPerPosition.TryGetValue(constraint, out widgets))
{
widgets.Add(child);
}
else
{
widgets = new List <IWidget>(1);
widgets.Add(child);
widgetsPerPosition[constraint] = widgets;
}
var row = constraint.Y;
var column = constraint.X;
if (row >= RowCount)
{
rows = null;
}
if (column >= ColumnCount)
{
columns = null;
}
while (RowConstraints.Count <= row)
{
RowConstraints.Add(LengthConstraint.Auto);
}
while (ColumnConstraints.Count <= column)
{
ColumnConstraints.Add(LengthConstraint.Auto);
}
}
public override int GetHashCode()
{
return(Size.GetHashCode() ^ ColumnConstraints.GetHashCode() ^ RowConstraints.GetHashCode());
}
