Activates user selected Components.

        :return: Method success.
        :rtype: bool

        :note: May require user interaction.

def activate_components_ui(self):
        """
        Activates user selected Components.

        :return: Method success.
        :rtype: bool

        :note: May require user interaction.
        """

        selected_components = self.get_selected_components()

        self.__engine.start_processing("Activating Components ...", len(selected_components))
        activation_failed_components = []
        for component in selected_components:
            if not component.interface.activated:
                success = self.activate_component(component.name) or False
                if not success:
                    activation_failed_components.append(component)
            else:
                self.__engine.notifications_manager.warnify("{0} | '{1}' Component is already activated!".format(
                    self.__class__.__name__, component.name))
            self.__engine.step_processing()
        self.__engine.stop_processing()

        self.__store_deactivated_components()

        if not activation_failed_components:
            return True
        else:
            raise manager.exceptions.ComponentActivationError(
                "{0} | Exception(s) raised while activating '{1}' Component(s)!".format(self.__class__.__name__,
                                                                                        ", ".join((
                                                                                        activation_failed_component.name
                                                                                        for activation_failed_component
                                                                                        in
                                                                                        activation_failed_components))))