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()
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()