public override object ConvertFrom(ITypeDescriptorContext context, System.Globalization.CultureInfo culture, object value)
{
string raw = value as string;
try
{
MeasureDiff mdiff = new MeasureDiff();
// Segments
string[] parts = raw.Split(new char[] { '(' }, 2);
if (parts[0].ToLower()[0] == 'm')
{
mdiff.MeasureIndex = Int32.Parse(parts[0].Substring(1));
}
else if (parts[0].ToLower() == "all")
{
mdiff.MeasureIndex = 0;
}
else
{
throw new FormatException("Measure index (e.g. 'm1' or 'all') is missing.");
}
mdiff.DiffType = (DiffType)Enum.Parse(typeof(DiffType), parts[1].Substring(0, parts[1].Length - 1), true);
return(mdiff);
}
catch (Exception ex)
{
throw new Exception("Invalid measure diff: " + raw, ex);
}
}
private void GetDiffCalculation(out List <ObjData> dataout, List <ObjData> datain, MeasureDiff[] diff)
{
List <ObjData> retdata = new List <ObjData>();
foreach (ObjData Entity in datain)
{
Dictionary <string, ArrayList> EntityValues = new Dictionary <string, ArrayList>();;
if (Entity.Values.Count > 1)
{
foreach (ObjValue lvalue in Entity.Values)
{
string mName = lvalue.FieldName.Substring(0, lvalue.FieldName.IndexOf("."));
ArrayList values;
if (EntityValues.ContainsKey(mName))
{
values = EntityValues[mName];
}
else
{
values = new ArrayList();
}
values.Add(lvalue);
if (EntityValues.ContainsKey(mName))
{
EntityValues[mName] = values;
}
else
{
EntityValues.Add(mName, values);
}
}
foreach (string key in EntityValues.Keys)
{
ArrayList values = EntityValues[key];
for (int i = 0; i < values.Count - 1; i++)
{
double value1, value2;
ObjValue objvalue1 = (ObjValue)values[i];
ObjValue objvalue2 = (ObjValue)values[i + 1];
value1 = Convert.ToDouble(objvalue1.ValueData);
value2 = Convert.ToDouble(objvalue2.ValueData);
ObjValue value = new ObjValue();
MeasureDiff mDiff = GetMeasureDiff(key, diff);
DiffType difftype = mDiff.DiffType;
if (mDiff.MeasureIndex > -1)
{
switch (difftype)
{
case DiffType.Both:
value.FieldName = key + ".R" + (i + 1).ToString() + ".DiffAbs";
value.ValueData = Convert.ToString(value1 - value2);
Entity.Values.Add(value);
value = new ObjValue();
value.FieldName = key + ".R" + (i + 1).ToString() + ".DiffRel";
if (value2 != 0)
{
value.ValueData = Convert.ToString(((value1 - value2) / Math.Abs(value2)) * 100);
}
break;
case DiffType.DiffAbs:
value.FieldName = key + ".R" + (i + 1).ToString() + ".DiffAbs";
value.ValueData = Convert.ToString(value1 - value2);
break;
case DiffType.DiffRel:
value.FieldName = key + ".R" + (i + 1).ToString() + ".DiffRel";
if (value2 != 0)
{
value.ValueData = Convert.ToString(((value1 - value2) / Math.Abs(value2)) * 100);
}
break;
}
}
Entity.Values.Add(value);
}
}
retdata.Add(Entity);
}
}
dataout = retdata;
}