IRangeDescriptor Next()
{
/*
* int?, Color?, int?
* 80, Red, 100
* Red, 100
* 80, Red
* 80, 100
*/
var descriptor = new RangeDescriptor();
double?v1 = null;
double?v2 = null;
Color? clr = null;
if (_index >= _values.Count - 1)
{
return(null);
}
var first = _values[_index];
clr = first.ToColor();
if (null == clr)
{
if (first is int || first is double || first is string)
{
v1 = Convert.ToDouble(first);
}
else
{
throw new InvalidRangeDescriptorException("Expected number or color at value [" + first.ToString() + "]");
}
}
++_index;
if (_index < _values.Count)
{
var second = _values[_index];
if (null != second)
{
Color?clr2 = second.ToColor();
if (null == clr2)
{
if ("?" == (second as string))
{
clr2 = ColorManager.AssignColor(_index, _values.Count, _rangeBaseColor);
}
}
if (null == clr2)
{
if (second is int || second is double || second is string)
{
v2 = Convert.ToDouble(second);
}
else
{
throw new InvalidRangeDescriptorException("Expected number or color at value [" +
second.ToString() + "]");
}
}
else if (null != clr)
{
throw new InvalidRangeDescriptorException("Expected number at value [" +
second.ToString() + "]");
}
else
{
clr = clr2;
++_index;
}
}
}
if (v1.HasValue && clr.HasValue && _index < _values.Count)
{
var third = _values[_index];
if (!(third is int || third is double || third is string))
{
throw new InvalidRangeDescriptorException("Expected number at value [" + third.ToString() + "]");
}
v2 = Convert.ToDouble(third);
}
if (v1.HasValue && v2.HasValue)
{
if (v1.Value > v2.Value)
{
double v = v1.Value;
v1 = v2;
v2 = v;
}
}
descriptor.Color = clr;
if (v1.HasValue)
{
descriptor.Minimum = v1.Value;
}
if (v2.HasValue)
{
descriptor.Maximum = v2.Value;
}
return(descriptor);
}
IRangeDescriptor Next()
{
/*
int?, Color?, int?
80, Red, 100
Red, 100
80, Red
80, 100
*/
var descriptor = new RangeDescriptor();
double? v1 = null;
double? v2 = null;
Color? clr = null;
if( _index >= _values.Count - 1 )
{
return null;
}
var first = _values[_index];
clr = first.ToColor();
if (null == clr)
{
if (first is int || first is double || first is string)
{
v1 = Convert.ToDouble(first);
}
else
{
throw new InvalidRangeDescriptorException("Expected number or color at value [" + first.ToString() + "]");
}
}
++_index;
if (_index < _values.Count)
{
var second = _values[_index];
if (null != second)
{
Color? clr2 = second.ToColor();
if (null == clr2)
{
if ("?" == (second as string))
{
clr2 = ColorManager.AssignColor(_index, _values.Count, _rangeBaseColor);
}
}
if( null == clr2)
{
if (second is int || second is double || second is string)
{
v2 = Convert.ToDouble(second);
}
else
{
throw new InvalidRangeDescriptorException("Expected number or color at value [" +
second.ToString() + "]");
}
}
else if( null != clr )
{
throw new InvalidRangeDescriptorException("Expected number at value [" +
second.ToString() + "]");
}
else
{
clr = clr2;
++_index;
}
}
}
if( v1.HasValue && clr.HasValue && _index < _values.Count )
{
var third = _values[_index];
if( ! (third is int || third is double || third is string) )
{
throw new InvalidRangeDescriptorException( "Expected number at value [" + third.ToString() + "]");
}
v2 = Convert.ToDouble(third);
}
if( v1.HasValue && v2.HasValue )
{
if( v1.Value > v2.Value )
{
double v = v1.Value;
v1 = v2;
v2 = v;
}
}
descriptor.Color = clr;
if (v1.HasValue)
{
descriptor.Minimum = v1.Value;
}
if (v2.HasValue)
{
descriptor.Maximum = v2.Value;
}
return descriptor;
}
