Updates the node tooltip.

        :return: Method success.
        :rtype: bool

def update_tool_tip(self):
        """
        Updates the node tooltip.

        :return: Method success.
        :rtype: bool
        """

        self.roles[Qt.ToolTipRole] = self.__tool_tip_text.format(self.component.name,
                                                                 self.component.author,
                                                                 self.component.category,
                                                                 ", ".join(self.component.require),
                                                                 self.component.version,
                                                                 self.component.description)
        return True