public moField(string name, moValueTypeConstant valueType)
{
_Name = name;
_AliasName = name;
_ValueType = valueType;
}
private void SetFeatureSymbols()
{
Int32 sFeatureCount = _Features.Count;
if (_Renderer.RendererType == moRendererTypeConstant.Simple)
{
moSimpleRenderer sRenderer = (moSimpleRenderer)_Renderer;
for (Int32 i = 0; i <= sFeatureCount - 1; i++)
{
_Features.GetItem(i).Symbol = sRenderer.Symbol;
}
}
else if (_Renderer.RendererType == moRendererTypeConstant.UniqueValue)
{
moUniqueValueRenderer sRenderer = (moUniqueValueRenderer)_Renderer;
string sFieldName = sRenderer.Field;
Int32 sFieldIndex = _AttributeFields.FindField(sFieldName);
if (sFieldIndex >= 0)
{
for (Int32 i = 0; i <= sFeatureCount - 1; i++)
{
string sValueString = GetValueString(_Features.GetItem(i).Attributes.GetItem(sFieldIndex));
_Features.GetItem(i).Symbol = sRenderer.FindSymbol(sValueString);
}
}
else
{
for (Int32 i = 0; i <= sFeatureCount - 1; i++)
{
_Features.GetItem(i).Symbol = null;
}
}
}
else if (_Renderer.RendererType == moRendererTypeConstant.ClassBreaks)
{
moClassBreaksRenderer sRenderer = (moClassBreaksRenderer)_Renderer;
string sFieldName = sRenderer.Field;
Int32 sFieldIndex = _AttributeFields.FindField(sFieldName);
moValueTypeConstant sValueType = _AttributeFields.GetItem(sFieldIndex).ValueType;
if (sFieldIndex >= 0)
{
for (Int32 i = 0; i <= sFeatureCount - 1; i++)
{
double sValue = 0;
if (sValueType == moValueTypeConstant.dInt16)
{
sValue = (Int16)_Features.GetItem(i).Attributes.GetItem(sFieldIndex);
}
else if (sValueType == moValueTypeConstant.dInt32)
{
sValue = (Int32)_Features.GetItem(i).Attributes.GetItem(sFieldIndex);
}
else if (sValueType == moValueTypeConstant.dInt64)
{
sValue = (Int64)_Features.GetItem(i).Attributes.GetItem(sFieldIndex);
}
else if (sValueType == moValueTypeConstant.dSingle)
{
sValue = (float)_Features.GetItem(i).Attributes.GetItem(sFieldIndex);
}
else if (sValueType == moValueTypeConstant.dDouble)
{
sValue = (double)_Features.GetItem(i).Attributes.GetItem(sFieldIndex);
}
else
{
throw new Exception("Invalid value type of field " + sFieldName);
}
_Features.GetItem(i).Symbol = sRenderer.FindSymbol(sValue);
}
}
else
{
for (Int32 i = 0; i <= sFeatureCount - 1; i++)
{
_Features.GetItem(i).Symbol = null;
}
}
}
else
{
throw new Exception("Invalid renderer type!");
}
}
