private bool Combine(bool value1, bool value2, LogicalConversionOptions options)
{
if (options.HasFlag(LogicalConversionOptions.CombineWithAnd))
{
return(value1 && value2);
}
else
{
return(value1 || value2);
}
}
private bool IsTerminatingValue(bool value, LogicalConversionOptions options)
{
if (options.HasFlag(LogicalConversionOptions.CombineWithAnd))
{
return(!value);
}
else
{
return(value);
}
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
VisibilityAsBooleanConverterOptions options = GetOptions(parameter);
object[] input = new object[values.Length];
for (int i = 0; i < values.Length; i++)
{
bool?b = GetBool(values[i]);
if (b != null)
{
input[i] = b.Value;
}
else
{
return(null);
}
}
LogicalConversionOptions logicalOptions = LogicalConversionOptions.None;
if (options.HasFlag(VisibilityAsBooleanConverterOptions.CombineWithAnd))
{
logicalOptions |= LogicalConversionOptions.CombineWithAnd;
}
else
{
logicalOptions |= LogicalConversionOptions.CombineWithOr;
}
if (options.HasFlag(VisibilityAsBooleanConverterOptions.Negate))
{
logicalOptions |= LogicalConversionOptions.Negate;
}
bool boolean = (bool)this.logicalConverter.Convert(input, null, logicalOptions, culture);
return(GetVisibility(boolean, options));
}