public void TestLinkBidirectional()
{
var cell1 = new Cell();
var cell2 = new Cell();
cell1.Link(cell2);
Assert.IsTrue(cell1.IsLinked(cell2));
Assert.IsTrue(cell2.IsLinked(cell1));
}
public void TestLink()
{
var cell1 = new Cell();
var cell2 = new Cell();
cell1.Link(cell2, false);
Assert.IsTrue(cell1.IsLinked(cell2));
Assert.IsFalse(cell2.IsLinked(cell1));
}
protected override Brush BackgroundBrushFor(Cell cell)
{
if (max == 0)
{
return base.BackgroundBrushFor(cell);
}
var distance = Distances[cell];
var intensity = Convert.ToDouble(max - distance) / max;
var dark = Convert.ToInt32(255 * intensity);
var bright = Convert.ToInt32(128 + (127 * intensity));
return new SolidBrush(Color.FromArgb(dark, bright, dark));
}
public int this[Cell cell]
{
get
{
int val;
if (_Cells.TryGetValue(cell, out val))
{
return val;
}
return -1;
}
set
{
_Cells[cell] = value;
}
}
public void TestConstructor()
{
var cell = new Cell();
}
public Cell Unlink(Cell cell, bool bidirectional = true)
{
_Links[cell] = false;
if (bidirectional)
{
cell.Unlink(this, false);
}
return this;
}
public bool IsLinked(Cell cell)
{
return cell != null && _Links.ContainsKey(cell) && _Links[cell];
}
public Distances(Cell root)
{
_Root = root;
_Cells = new Dictionary<Cell, int>();
_Cells[_Root] = 0;
}
public bool HasKey(Cell cell)
{
return _Cells.Keys.Any(c => c == cell);
}