public void SetFormula(int srcIndex, int trgIndex, IBxFormula fml)
{
if (srcIndex == trgIndex)
{
return;
}
BxSrcUnitFormulas formulas = _formulas[srcIndex];
formulas.SetFormula(trgIndex, fml);
}
public IBxFormula GetFormula(int srcIndex, int trgIndex)
{
if (srcIndex == trgIndex)
{
return(ParsedFormula.s_sameUnitFormula);
}
BxSrcUnitFormulas formulas = _formulas[srcIndex];
IBxFormula fml = formulas.GetFormula(trgIndex);
if (fml == null)
{
//取反向的转换关系
ParsedFormula tempFml = _formulas[trgIndex].GetFormula(srcIndex) as ParsedFormula;
if (tempFml != null)
{
fml = ParsedFormula.Inverse(tempFml);
formulas.SetFormula(trgIndex, fml);
}
}
if (fml == null)
{
if ((trgIndex == _nDefaultUnitIndex) || (srcIndex == _nDefaultUnitIndex))
{
throw new Exception(string.Format("缺乏单位{0}和主单位{1}之间的转换关系\n", this[srcIndex].ID, this[trgIndex].ID));
}
else
{
IBxFormula fml1 = GetFormula(srcIndex, _nDefaultUnitIndex);
IBxFormula fml2 = GetFormula(_nDefaultUnitIndex, trgIndex);
fml = new CombinedFormula(fml1, fml2);
formulas.SetFormula(trgIndex, fml);
}
}
return(fml);
}
public void SetFormula(string srcUnit, string trgUnit, IBxFormula fml)
{
if (srcUnit == trgUnit)
{
return;
}
IBxIndexedUnit src = ParseEx(srcUnit);
IBxIndexedUnit trg = ParseEx(trgUnit);
if ((src == null) || (trg == null))
{
return;
}
BxSrcUnitFormulas formulas = _formulas[src.Index];
formulas.SetFormula(trg.Index, fml);
}
