periodic_table.py 文件源码

def select_element(self, element):
        """
        Show an element as selected.
        """

        widget = self._get_element_widget(element)
        widget.setStyleSheet("QPushButton { font-weight: bold; }")

        if self.multiple_select:
            self._selected_elements.append(element)
            self.btn_ok.setEnabled(True)

        else:
            self._selected_elements = [element]
            if self.close_on_first_select:
                self.close()

        return None