def update_location(self, text=''):
        """Update text of location."""
        self.text_project_name.setEnabled(self.radio_new_dir.isChecked())
        name = self.text_project_name.text().strip()

        if name and self.radio_new_dir.isChecked():
            path = osp.join(self.location, name)
            self.button_create.setDisabled(os.path.isdir(path))
        elif self.radio_from_dir.isChecked():
            self.button_create.setEnabled(True)
            path = self.location
        else:
            self.button_create.setEnabled(False)
            path = self.location
        
        self.text_location.setText(path)
Update text of location.