def filepath( self, validated = False ):
        """
        Returns the filepath for this widget.  If the validated flag is set \
        then this method will only return if the file or folder actually \
        exists for this path.  In the case of a SaveFile, only the base folder \
        needs to exist on the system, in other modes the actual filepath must \
        exist.  If not validated, the text will return whatever is currently \
        entered.
        
        :return     <str>
        """
        paths = self.filepaths()
        if not paths:
            return ''
        
        if not validated or self.isValid():
            return paths[0]
        return ''