public void ReleaseColor(string groupName)
{
if (ColorAssignments.ContainsKey(groupName))
{
var count = ColorAssignments[groupName].Count -= 1;
if (count < 1) ColorAssignments.Remove(groupName);
}
}
public Color RequestColor(string groupName)
{
if (ColorAssignments.ContainsKey(groupName))
{
ColorAssignments[groupName].Count++;
return ColorAssignments[groupName].AssignedColor;
}
var assignedColor = GetNextAvailableColor();
ColorAssignments.Add(groupName, new ColorGroupDetails() { Count = 1, AssignedColor = assignedColor });
return assignedColor;
}
private Color GetNextAvailableColor()
{
var assignedColors = ColorAssignments.Select(a => a.Value.AssignedColor).ToList();
return Colors.Values.Except(assignedColors).First();
}