Ejemplo n.º 1
0
    def __init__(self):
        '''
        Constructor
        '''

        # Initialization of GUI from Qt Designer
        super(CookieGUI, self).__init__()
        self.setupUi(self)

        # add button
        # clear button (must reset all displays and cookiepos)
        # run button
        # cancel button

        self.add_cookie_button.clicked.connect(self._add_cookie_callback)
        self.clear_recipe_button.clicked.connect(self._reset_recipe_callback)
        self.start_button.clicked.connect(self._run_click_callback)
        self.stop_button.clicked.connect(self._cancel_execution_callback)
        self.terminate_button.clicked.connect(self._shutdown_stage_callback)

        self.logger = logging.getLogger('cookiebot')

        self.printerbox = OutLog(self.console, interval_ms=250)
        self.printstream = SignalStream(interval_ms=100)

        sys.stdout = self.printstream
        sys.stderr = self.printstream
        self.printstream.write_signal.connect(self.print_to_gui)
        screen_handler = logging.StreamHandler(stream=self.printstream)
        screen_format = logging.Formatter(fmt='%(asctime)s - %(message)s')
        screen_handler.setLevel(logging.INFO)
        screen_handler.setFormatter(screen_format)
        self.logger.addHandler(screen_handler)

        self.logger.setLevel(logging.DEBUG)

        self.logger.info('Start of program execution '
                         '{0}'.format(datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')))

        self.recipe = Recipe()
        self.stage = IcingStage(zero=False, actuators=[0, 1, 2])

        self.positions = [(0, 0), (1, 0), (0, 1), (1, 1)]
        self.q_image_displays = [
            self.image_00, self.image_10, self.image_01, self.image_11]

        self.icings = [
            Recipe.IcingType.d_outline,
            Recipe.IcingType.u_outline,
            Recipe.IcingType.k_outline,
            Recipe.IcingType.e_outline,
            Recipe.IcingType.square,
            Recipe.IcingType.spiral_square,
            Recipe.IcingType.blue_devil
        ]

        self.pattern_images = [
            Recipe.IcingImage.d_outline,
            Recipe.IcingImage.u_outline,
            Recipe.IcingImage.k_outline,
            Recipe.IcingImage.e_outline,
            Recipe.IcingImage.square,
            Recipe.IcingImage.spiral_square,
            Recipe.IcingImage.blue_devil
        ]

        self.pbar_timer = RepeatedTimer(0.25, self._update_progress_bar, start=False)

        self.show()
Ejemplo n.º 2
0
class CookieGUI(Ui_MainWindow, QMainWindow):
    '''
    classdocs
    '''

    def __init__(self):
        '''
        Constructor
        '''

        # Initialization of GUI from Qt Designer
        super(CookieGUI, self).__init__()
        self.setupUi(self)

        # add button
        # clear button (must reset all displays and cookiepos)
        # run button
        # cancel button

        self.add_cookie_button.clicked.connect(self._add_cookie_callback)
        self.clear_recipe_button.clicked.connect(self._reset_recipe_callback)
        self.start_button.clicked.connect(self._run_click_callback)
        self.stop_button.clicked.connect(self._cancel_execution_callback)
        self.terminate_button.clicked.connect(self._shutdown_stage_callback)

        self.logger = logging.getLogger('cookiebot')

        self.printerbox = OutLog(self.console, interval_ms=250)
        self.printstream = SignalStream(interval_ms=100)

        sys.stdout = self.printstream
        sys.stderr = self.printstream
        self.printstream.write_signal.connect(self.print_to_gui)
        screen_handler = logging.StreamHandler(stream=self.printstream)
        screen_format = logging.Formatter(fmt='%(asctime)s - %(message)s')
        screen_handler.setLevel(logging.INFO)
        screen_handler.setFormatter(screen_format)
        self.logger.addHandler(screen_handler)

        self.logger.setLevel(logging.DEBUG)

        self.logger.info('Start of program execution '
                         '{0}'.format(datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')))

        self.recipe = Recipe()
        self.stage = IcingStage(zero=False, actuators=[0, 1, 2])

        self.positions = [(0, 0), (1, 0), (0, 1), (1, 1)]
        self.q_image_displays = [
            self.image_00, self.image_10, self.image_01, self.image_11]

        self.icings = [
            Recipe.IcingType.d_outline,
            Recipe.IcingType.u_outline,
            Recipe.IcingType.k_outline,
            Recipe.IcingType.e_outline,
            Recipe.IcingType.square,
            Recipe.IcingType.spiral_square,
            Recipe.IcingType.blue_devil
        ]

        self.pattern_images = [
            Recipe.IcingImage.d_outline,
            Recipe.IcingImage.u_outline,
            Recipe.IcingImage.k_outline,
            Recipe.IcingImage.e_outline,
            Recipe.IcingImage.square,
            Recipe.IcingImage.spiral_square,
            Recipe.IcingImage.blue_devil
        ]

        self.pbar_timer = RepeatedTimer(0.25, self._update_progress_bar, start=False)

        self.show()

    @QtCore.pyqtSlot(str)
    def print_to_gui(self, text):
        '''Routes a message to this instance's textbox

        This is a slot and is implemented in conjunction with the SignalStream
        in threadsafety to provide thread safe access to the GUI textbox
        '''
        self.printerbox.write(text)

    def _run_click_callback(self):
        if self.stage.live:
            if self.stage.recipe_done():
                self.logger.info('Starting a new recipe!')
                try:
                    self.stage.load_recipe(self.recipe)
                    self.num_steps = float(len(self.stage.steps))
                except (RecipeError, IOError) as e:
                    logging.error(
                        'Something is wrong with that recipe file! Shutting down.')
                    self.stage.shutdown()
                    raise e
                #self.pbar_timer.restart()
            else:
                self.logger.info('Rebooting the recipe that was running')
            self.stage.start_recipe()
        else:
            self.logger.info(
                'Stage is dead, cannot do anything.  Please exit.')

    def _add_cookie_callback(self):
        if self.stage.live:
            cookie_idx = self.cookie_select.currentIndex()
            pos_idx = self.pos_select.currentIndex()

            self.logger.info(
                'Adding cookie {0} to the recipe at {1}'.format(self.icings[cookie_idx], self.positions[pos_idx]))
            self.recipe.add_cookie(
                {'icing': self.icings[cookie_idx]}, self.positions[pos_idx])

            image = self.q_image_displays[pos_idx]

            scene = QGraphicsScene()
            scene.addPixmap(
                QPixmap(os.path.join(DATA_DIR, self.pattern_images[cookie_idx].value)))
            image.setScene(scene)
            image.fitInView(scene.itemsBoundingRect())

            image.show()

        else:
            self.logger.info(
                'Stage is dead, cannot do anything.  Please exit.')

    def _reset_recipe_callback(self):
        if self.stage.live:
            self.recipe = Recipe()
            if self.stage.steps:
                self.stage.steps = []
                
            for image in self.q_image_displays:
                image.setScene(QGraphicsScene())

            self.logger.info('Recipe cleared')
        else:
            self.logger.info(
                'Stage is dead, cannot do anything.  Please exit.')

    def _cancel_execution_callback(self):
        if self.stage.live and not self.stage.recipe_done():
            self.logger.info('Pausing recipe execution')
            self.stage.stop_recipe()
            self.logger.info('Recipe execution paused')

    def _shutdown_stage_callback(self):
        self.logger.warning('Terminating the icing stage')
        self.stage.shutdown()
        self.logger.warning('Stage terminated.  Please exit.')
        
    def _update_progress_bar(self):
        fraction_to_go = len(self.stage.steps) / self.num_steps if self.num_steps else 1
        self.progress_bar.setValue(100*(1-fraction_to_go))

    def closeEvent(self, event):
        self.logger.info("User has clicked the red x on the main window")
        self.stage.shutdown()
        self.pbar_timer.stop()
        event.accept()