Sets the text for this edit to the inputed text.
        
        :param      text | <str>

def setText( self, text ):
        """
        Sets the text for this edit to the inputed text.
        
        :param      text | <str>
        """
        super(XNavigationEdit, self).setText(text)
        
        self.scrollWidget().show()
        if ( text == '' or self._originalText != text ):
            self.rebuild()