I am developing a GUI extension for schema creation which adds a check box depending on which schema field type is added. This should apply only to normal text fields and rich text fields, but not if "values selected from a list" is selected (either hard-coded values in schema or categories).
Is there any way to distinguish between normal text fields and values selected from a list fields? Code example would be highly appreciated.
Version of Tridion is 2011 SP1.