public FieldSelection(CommonLayer layer, string fields)
{
if (String.IsNullOrEmpty(fields))
{
fields = "#";
}
if (fields == "*" || fields == "#")
{
foreach (CommonField field in layer.Fields)
{
if (fields == "*" || field.Type != CommonFieldType.Geometry)
{
_fields.Add(field);
_useAlias.Add(!String.IsNullOrEmpty(field.Alias));
}
}
}
else
{
List <String> fieldNames = new List <String>(fields.Split(new char[] { ',' }));
foreach (string fieldName in fieldNames)
{
string trimmedFieldName = fieldName.Trim();
CommonField field = layer.Fields.FirstOrDefault(f => String.Compare(trimmedFieldName, f.Name, true) == 0 || String.Compare(trimmedFieldName, f.Alias, true) == 0);
if (field == null)
{
throw new Exception(String.Format("The field '{0}' is not present in layer '{1}'", trimmedFieldName, layer.Name));
}
_fields.Add(field);
_useAlias.Add(String.Compare(fieldName, field.Alias, true) == 0);
}
}
}
public abstract void AddLayer(CommonLayer layer, string definitionQuery);
public abstract void AddLayerAndChildren(CommonLayer layer);
public abstract void AddLayer(CommonLayer layer);