public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture) {
this.target ^= (PurityLevel)parameter;
return this.target;
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture) {
PurityLevel mask = (PurityLevel)parameter;
this.target = (PurityLevel)value;
return ((mask & this.target) != 0);
}
public PureAttribute(PurityLevel pl)
{
this.Value = true; purityLevel = pl | PurityLevel.Weak;
}
public PureAttribute(bool value)
{
this.Value = value; purityLevel = PurityLevel.Normal | PurityLevel.Weak;
}
public PureAttribute()
{
this.Value = true; purityLevel = PurityLevel.Normal | PurityLevel.Weak;
}
string PurityToSearchString(PurityLevel purity) {
return Convert.ToString((int)purity, 2).PadLeft(3, '0');
}
