public boolean addTextField(String fieldName, String fieldPrettyName, int size) {
if (get(fieldName) == null) {
StringClass text_class = new StringClass();
text_class.setName(fieldName);
text_class.setPrettyName(fieldPrettyName);
text_class.setSize(size);
text_class.setObject(this);
put(fieldName, text_class);
return true;
}
return false;
}