protected override bool IsValue(int index)
{
if (ColumnsDef.Any(c => c.Index == index && c.Role != ColumnRole.Value))
{
return(false);
}
if (ColumnsDef.Any(c => c.Index == index && c.Role == ColumnRole.Value))
{
return(true);
}
switch (KeysDef)
{
case KeysChoice.First:
if (index == 0)
{
return(false);
}
break;
case KeysChoice.AllExpectLast:
if (index != GetLastColumnIndex())
{
return(false);
}
break;
case KeysChoice.All:
return(false);
}
switch (ValuesDef)
{
case ValuesChoice.AllExpectFirst:
return(index != 0);
case ValuesChoice.Last:
return(index == GetLastColumnIndex());
case ValuesChoice.None:
return(false);
}
return(false);
}
protected override bool IsType(string name, ColumnType type)
{
if (ColumnsDef.Any(c => c.Name == name && c.Type != type))
{
return(false);
}
if (ColumnsDef.Any(c => c.Name == name && c.Type == type))
{
return(true);
}
if (IsKey(name))
{
return(type == ColumnType.Text);
}
return(IsValue(name) && ValuesDefaultType == type);
}
public bool IsValue(int index)
{
if (ColumnsDef.Any(c => c.Index == index && c.Role != ColumnRole.Value))
{
return(false);
}
if (ColumnsDef.Any(c => c.Index == index && c.Role == ColumnRole.Value))
{
return(true);
}
switch (ValuesDef)
{
case ValuesChoice.AllExpectFirst:
return(index != 0);
case ValuesChoice.Last:
return(index == GetLastColumnIndex());
}
return(false);
}
