class ConfigWindow(QWidget):
def __init__(self, current_profile):
"""
The ConfigWindow is a widget dedicated to reading and editing the OCI config file and provides functionality to create, edit, and switch profiles on the fly, updating
the view of the main window.
:param current_profile: The profile the ConfigWindow should be initialized with
:type current_profile: string
"""
super().__init__()
#
self.main_window = None
self.setWindowTitle("Profile Settings")
self.setMinimumSize(600, 200)
#Looks for the config file in '~/.oci/config' and reads it into config
self.DEFAULT_LOCATION = os.path.expanduser(
os.path.join('~', '.oci', 'config'))
self.config = configparser.ConfigParser(interpolation=None)
self.config.read(self.DEFAULT_LOCATION)
self.current_profile = current_profile
#Set up necessary dropdown and LineEdit widgets
self.dropdown = self.get_profiles_dropdown()
self.tenancy = QLineEdit()
self.tenancy.setPlaceholderText("Tenancy OCID")
self.region = QLineEdit()
self.region.setPlaceholderText("Region")
self.user = QLineEdit()
self.user.setPlaceholderText("User OCID")
self.fingerprint = QLineEdit()
self.fingerprint.setPlaceholderText("Fingerprint")
self.key_file = QLineEdit()
self.key_file.setPlaceholderText("Key File Path")
self.passphrase = QLineEdit()
self.passphrase.setEchoMode(QLineEdit.Password)
self.passphrase.setPlaceholderText("Passphrase")
self.save_button = QPushButton('Save')
self.save_button.clicked.connect(self.save_signal)
#Set the profile to the current_profile passed in upon init
self.change_profile(current_profile)
self.dropdown.setCurrentText(current_profile)
#Add all widgets to a vertical layout
self.layout = QVBoxLayout()
self.layout.addWidget(self.dropdown)
self.layout.addWidget(self.tenancy)
self.layout.addWidget(self.region)
self.layout.addWidget(self.user)
self.layout.addWidget(self.key_file)
self.layout.addWidget(self.fingerprint)
self.layout.addWidget(self.passphrase)
self.layout.addWidget(self.save_button)
self.setLayout(self.layout)
def get_profiles_dropdown(self):
"""
:return:
A dropdown menu widget that lists all profiles including the default profile from the OCI config file
When index changes, it will call the change_profile signal function
:rtype: :class: 'Qt.QtWidgets.QComboBox'
"""
dropdown = QComboBox()
dropdown.addItems(['DEFAULT'] + self.config.sections())
dropdown.addItem("Add New Profile...")
dropdown.currentIndexChanged.connect(self.change_profile_signal)
return dropdown
def change_profile_signal(self, item):
"""
Slot to change profile. If the item index is at 0, then it is the default profile.
If it is the last index, then that means create a new profile
:param item: The index of the item from the dropdown widget
:type item: int
"""
if item > len(self.config.sections()):
self.create_new_profile()
elif item == 0:
self.change_profile('DEFAULT')
else:
self.change_profile(self.config.sections()[item - 1])
def change_profile(self, profile_name):
"""
Changes the profile that the ConfigWindow is set for and also changes it for the MainWindow
:param profile_name: the name of the profile to switch to
:type profile_name: string
TODO: Adhere to signal/slot convention
"""
self.current_profile = profile_name
profile = self.config[profile_name]
for line, key in zip([self.tenancy, self.region, self.user, self.fingerprint, self.key_file, self.passphrase],\
['tenancy', 'region', 'user', 'fingerprint', 'key_file', 'pass_phrase']):
if key in profile:
line.setText(profile[key])
else:
line.setText("")
if self.main_window:
self.main_window.change_profile(self.current_profile)
def create_new_profile(self):
"""
Layout to create a new profile. Removes the dropdown widget and changes the buttons
"""
self.layout.removeItem(self.layout.itemAt(0))
self.dropdown.setParent(None)
self.new_profile_name = QLineEdit()
self.new_profile_name.setPlaceholderText("Profile Name")
self.layout.insertWidget(0, self.new_profile_name)
self.tenancy.setText("")
self.region.setText("")
self.user.setText("")
self.fingerprint.setText("")
self.key_file.setText("")
self.passphrase.setText("")
self.create_button = QPushButton('Create')
self.create_button.clicked.connect(self.create_signal)
self.cancel_button = QPushButton('Cancel')
self.cancel_button.clicked.connect(self.cancel_signal)
self.buttonBox = QDialogButtonBox()
self.buttonBox.setOrientation(Qt.Horizontal)
self.buttonBox.addButton(self.create_button,
QDialogButtonBox.ActionRole)
self.buttonBox.addButton(self.cancel_button,
QDialogButtonBox.ActionRole)
self.layout.removeItem(self.layout.itemAt(7))
self.save_button.setParent(None)
self.layout.addWidget(self.buttonBox)
def create_signal(self):
"""
Create a new profile with the given information in the LineEdit widgets. Saves to the OCI config file
"""
profile_name = self.new_profile_name.text()
self.config[profile_name] = {}
self.config[profile_name]['tenancy'] = self.tenancy.text()
self.config[profile_name]['region'] = self.region.text()
self.config[profile_name]['user'] = self.user.text()
self.config[profile_name]['fingerprint'] = self.fingerprint.text()
self.config[profile_name]['key_file'] = self.key_file.text()
self.config[profile_name]['pass_phrase'] = self.passphrase.text()
with open(self.DEFAULT_LOCATION, 'w') as configfile:
self.config.write(configfile)
self.current_profile = profile_name
self.cancel_signal()
def save_signal(self):
"""
Saves edits on a currently existing profile. Saves to the OCI config file
"""
self.config[self.current_profile]['tenancy'] = self.tenancy.text()
self.config[self.current_profile]['region'] = self.region.text()
self.config[self.current_profile]['user'] = self.user.text()
self.config[
self.current_profile]['fingerprint'] = self.fingerprint.text()
self.config[self.current_profile]['key_file'] = self.key_file.text()
self.config[
self.current_profile]['pass_phrase'] = self.passphrase.text()
with open(self.DEFAULT_LOCATION, 'w') as configfile:
self.config.write(configfile)
def cancel_signal(self):
"""
Cancels the creation a new profile and reverts layout to default layout
"""
self.layout.removeItem(self.layout.itemAt(0))
self.new_profile_name.setParent(None)
self.dropdown = self.get_profiles_dropdown()
self.layout.insertWidget(0, self.dropdown)
self.layout.removeItem(self.layout.itemAt(7))
self.buttonBox.setParent(None)
self.change_profile(self.current_profile)
self.dropdown.setCurrentText(self.current_profile)
self.layout.addWidget(self.save_button)
class QGroundObjectMenu(QDialog):
def __init__(self, parent, ground_object: TheaterGroundObject,
buildings: [], cp: ControlPoint, game: Game):
super(QGroundObjectMenu, self).__init__(parent)
self.setMinimumWidth(350)
self.ground_object = ground_object
self.buildings = buildings
self.cp = cp
self.game = game
self.setWindowTitle("Location " + self.ground_object.obj_name)
self.setWindowIcon(EVENT_ICONS["capture"])
self.intelBox = QGroupBox("Units :")
self.buildingBox = QGroupBox("Buildings :")
self.intelLayout = QGridLayout()
self.buildingsLayout = QGridLayout()
self.init_ui()
def init_ui(self):
self.mainLayout = QVBoxLayout()
self.budget = QBudgetBox(self.game)
self.budget.setGame(self.game)
self.doLayout()
if self.ground_object.dcs_identifier == "AA":
self.mainLayout.addWidget(self.intelBox)
else:
self.mainLayout.addWidget(self.buildingBox)
self.setLayout(self.mainLayout)
def doLayout(self):
self.intelBox = QGroupBox("Units :")
self.intelLayout = QGridLayout()
i = 0
for g in self.ground_object.groups:
if not hasattr(g, "units_losts"):
g.units_losts = []
for u in g.units:
self.intelLayout.addWidget(
QLabel("<b>Unit #" + str(u.id) + " - " + str(u.type) +
"</b>"), i, 0)
i = i + 1
for u in g.units_losts:
utype = unit_type_of(u)
if utype in PRICES:
price = PRICES[utype]
else:
price = 6
self.intelLayout.addWidget(
QLabel("<b>Unit #" + str(u.id) + " - " + str(u.type) +
"</b> [DEAD]"), i, 0)
if self.cp.captured:
repair = QPushButton("Repair [" + str(price) + "M]")
repair.setProperty("style", "btn-success")
repair.clicked.connect(
lambda u=u, g=g, p=price: self.repair_unit(g, u, p))
self.intelLayout.addWidget(repair, i, 1)
i = i + 1
self.buildingBox = QGroupBox("Buildings :")
self.buildingsLayout = QGridLayout()
j = 0
for i, building in enumerate(self.buildings):
if building.dcs_identifier not in FORTIFICATION_BUILDINGS:
self.buildingsLayout.addWidget(
QBuildingInfo(building, self.ground_object), j / 3, j % 3)
j = j + 1
self.buildingBox.setLayout(self.buildingsLayout)
self.intelBox.setLayout(self.intelLayout)
def do_refresh_layout(self):
try:
for i in range(self.mainLayout.count()):
self.mainLayout.removeItem(self.mainLayout.itemAt(i))
self.doLayout()
if len(self.ground_object.groups) > 0:
self.mainLayout.addWidget(self.intelBox)
else:
self.mainLayout.addWidget(self.buildingBox)
except Exception as e:
print(e)
def repair_unit(self, group, unit, price):
if self.game.budget > price:
self.game.budget -= price
group.units_losts = [
u for u in group.units_losts if u.id != unit.id
]
group.units.append(unit)
GameUpdateSignal.get_instance().updateGame(self.game)
# Remove destroyed units in the vicinity
destroyed_units = self.game.get_destroyed_units()
for d in destroyed_units:
p = Point(d["x"], d["z"])
if p.distance_to_point(unit.position) < 15:
destroyed_units.remove(d)
logging.info("Removed destroyed units " + str(d))
logging.info("Repaired unit : " + str(unit.id) + " " +
str(unit.type))
self.do_refresh_layout()
def closeEvent(self, closeEvent: QCloseEvent):
GameUpdateSignal.get_instance().updateGame(self.game)
class RootsApp(QMainWindow):
standard_deviation_threshold = 0.1 # when I receive a measurement from the sensor I check if its standard deviation; if it's too low it means the sensor is not working
temporary_database_filename = "temporary.db" # the current session is stored in a temporary database. When the user saves, it is copied at the desired location
def __init__(self):
super().__init__();
self.setWindowTitle("Roots")
self.setFixedWidth(1200)
self.resize(1200, 1200)
self.threadpool = QThreadPool();
self.object_list = list()
self.is_training_on = False
self.interaction_under_training = None
self.n_measurements_collected = 0
self.n_measurements_to_collect = 3
self.sensor_not_responding = True
self.sensor_not_responding_timeout = 2000 # milliseconds
self.database_connection = self.create_temporary_database()
self.active_object = None
self.number_of_objects_added = 0
self.sensor_start_freq = 250000
self.sensor_end_freq = 3000000
# creates the plot
self.plotWidget = pyqtgraph.PlotWidget(title = "Sensor Response")
self.plotWidget.setFixedHeight(300)
self.plotWidget.getAxis("bottom").setLabel("Excitation frequency", "Hz")
self.plotWidget.getAxis("left").setLabel("Volts", "V")
self.dataPlot = self.plotWidget.plot()
# timer used to see if the sensor is responding
self.timer = QTimer()
self.timer.setInterval(self.sensor_not_responding_timeout)
self.timer.timeout.connect(self.timer_timeout)
self.timer_timeout()
# defines the actions in the file menu with button actions
iconExit = QIcon("icons/icon_exit.png")
btnActionExit = QAction(iconExit, "Exit", self)
btnActionExit.setStatusTip("Click to terminate the program")
btnActionExit.triggered.connect(self.exit)
iconSave = QIcon("icons/icon_save.ico")
buttonActionSave = QAction(iconSave, "Save current set of objects", self)
# buttonActionSave.setStatusTip("Click to perform action 2")
buttonActionSave.triggered.connect(self.save)
iconOpen = QIcon("icons/icon_load.png")
buttonActionOpen = QAction(iconOpen, "Load set of objects", self)
buttonActionOpen.triggered.connect(self.open)
# toolbar
toolBar = QToolBar("Toolbar")
toolBar.addAction(buttonActionSave)
toolBar.addAction(buttonActionOpen)
toolBar.setIconSize(QSize(64, 64))
toolBar.setStyleSheet(styles.toolbar)
self.addToolBar(toolBar)
# menu
menuBar = self.menuBar()
menuBar.setStyleSheet(styles.menuBar)
menuFile = menuBar.addMenu("File")
menuOptions = menuBar.addMenu("Options")
menuView = menuBar.addMenu("View")
menuConnect = menuBar.addMenu("Connect")
menuFile.addAction(buttonActionSave)
menuFile.addAction(buttonActionOpen)
menuFile.addAction(btnActionExit)
# status bar
self.setStatusBar(QStatusBar(self))
# creates the "My Objects" label
labelMyObjects = QLabel("My Objects")
labelMyObjects.setFixedHeight(100)
labelMyObjects.setAlignment(Qt.AlignCenter)
labelMyObjects.setStyleSheet(styles.labelMyObjects)
# button "add object"
icon_plus = QIcon("icons/icon_add.png")
self.btn_create_object = QPushButton("Add Object")
self.btn_create_object.setCheckable(False)
self.btn_create_object.setIcon(icon_plus)
self.btn_create_object.setFixedHeight(80)
self.btn_create_object.setStyleSheet(styles.addObjectButton)
self.btn_create_object.clicked.connect(self.create_object)
# defines the layout of the "My Objects" section
self.verticalLayout = QVBoxLayout()
self.verticalLayout.setContentsMargins(0,0,0,0)
self.verticalLayout.addWidget(labelMyObjects)
self.verticalLayout.addWidget(self.btn_create_object)
self.spacer = QSpacerItem(0,2000, QSizePolicy.Expanding, QSizePolicy.Expanding)
self.verticalLayout.setSpacing(0)
self.verticalLayout.addSpacerItem(self.spacer) #adds spacer
# defines the ComboBox which holds the names of the objects
self.comboBox = QComboBox()
self.comboBox.addItem("- no object selected")
self.comboBox.currentIndexChanged.connect(self.comboBox_index_changed)
self.comboBox.setFixedSize(300, 40)
self.comboBox.setStyleSheet(styles.comboBox)
self.update_comboBox()
# defines the label "Selected Object" (above the comboBox)
self.labelComboBox = QLabel()
self.labelComboBox.setText("Selected Object:")
self.labelComboBox.setStyleSheet(styles.labelComboBox)
self.labelComboBox.adjustSize()
# vertical layout for the combobox and its label
self.VLayoutComboBox = QVBoxLayout()
self.VLayoutComboBox.addWidget(self.labelComboBox)
self.VLayoutComboBox.addWidget(self.comboBox)
# label with the output text (the big one on the right)
self.labelClassification = QLabel()
self.labelClassification.setText("No interaction detected")
self.labelClassification.setFixedHeight(80)
self.labelClassification.setStyleSheet(styles.labelClassification)
self.labelClassification.adjustSize()
HLayoutComboBox = QHBoxLayout()
HLayoutComboBox.addLayout(self.VLayoutComboBox)
HLayoutComboBox.addSpacerItem(QSpacerItem(1000,0, QSizePolicy.Expanding, QSizePolicy.Expanding)); #adds spacer
HLayoutComboBox.addWidget(self.labelClassification)
# creates a frame that contains the combobox and the labels
frame = QFrame()
frame.setStyleSheet(styles.frame)
frame.setLayout(HLayoutComboBox)
# sets the window layout with the elements created before
self.windowLayout = QVBoxLayout()
self.windowLayout.addWidget(self.plotWidget)
self.windowLayout.addWidget(frame)
self.windowLayout.addLayout(self.verticalLayout)
# puts everything into a frame and displays it on the window
self.mainWindowFrame = QFrame()
self.mainWindowFrame.setLayout(self.windowLayout)
self.mainWindowFrame.setStyleSheet(styles.mainWindowFrame)
self.setCentralWidget(self.mainWindowFrame)
self.create_object() # creates one object at the beginning
# -----------------------------------------------------------------------------------------------------------
# Shows a welcome message
def show_welcome_msg(self):
welcome_msg = QMessageBox()
welcome_msg.setText("Welcome to the Roots application!")
welcome_msg.setIcon(QMessageBox.Information)
welcome_msg.setInformativeText(strings.welcome_text)
welcome_msg.setWindowTitle("Welcome")
welcome_msg.exec_()
# -----------------------------------------------------------------------------------------------------------
# When the user changes the object in the combobox, updates the active object
def comboBox_index_changed(self, index):
object_name = self.comboBox.currentText()
for object in self.object_list:
if object.name == object_name:
self.set_active_object(object)
print("DEBUG: selected object changed. Object name: {0}".format(object.name))
return
# -----------------------------------------------------------------------------------------------------------
# This function allows to save the current objects on a file
def save(self):
current_path = os.getcwd()
directory_path = current_path + "/Saved_Workspaces"
if not os.path.exists(directory_path):
os.mkdir(directory_path)
file_path = None
[file_path, file_extension] = QFileDialog.getSaveFileName(self,"Roots", directory_path, "Roots database (*.db)")
if file_path is None:
return
temp_database_path = current_path + "/" + RootsApp.temporary_database_filename
shutil.copyfile(temp_database_path, file_path) # copies the temporary database to save the current workspace
return
# -----------------------------------------------------------------------------------------------------------
# this function creates a clean database where all the data of this session will be temporarily stored
def create_temporary_database(self):
current_path = os.getcwd()
file_path = current_path + "/" + RootsApp.temporary_database_filename
if os.path.exists(file_path): # if the database is already there it deletes it to reset it
os.remove(file_path)
print("DEBUG: removing database. (in 'RootsApp.create_temporary_database()'")
database_connection = database.create_connection(RootsApp.temporary_database_filename) # creates the temporary database
database.create_tables(database_connection) # initializes the database
database.reset_db(database_connection) # resets the database (not needed but it doesn't cost anything to put it)
return database_connection
# -----------------------------------------------------------------------------------------------------------
# This function allows to load previously created objects from a file
def open(self):
current_path = os.getcwd()
saved_files_directory = current_path + "/Saved_Workspaces"
[file_path, file_extension] = QFileDialog.getOpenFileName(self,"Roots", saved_files_directory, "Roots database (*.db)");
if file_path == '':
return
for object in self.object_list.copy(): # deletes all the objects
print("DEBUG: deleting object {0} (in 'open()')".format(object.name))
self.delete_object(object)
temp_database_path = current_path + "/" + RootsApp.temporary_database_filename
self.database_connection.close()
os.remove(temp_database_path)
shutil.copyfile(file_path, temp_database_path) # replaces the temporary database with the file to open
self.database_connection = database.create_connection(temp_database_path)
object_tuples = database.get_all_objects(self.database_connection)
for object_tuple in object_tuples:
object_ID, object_name = object_tuple
location_IDs = database.get_locations_id_for_object(self.database_connection, object_ID)
formatted_location_IDs = []
for location_ID in location_IDs:
formatted_location_IDs.append(location_ID[0])
print("DEBUG: loading object {0} with location IDs {1}. (in 'RootsApp.open()')".format(object_name, formatted_location_IDs))
self.add_object(object_name, object_ID, formatted_location_IDs)
self.train_classifiers()
return
# -----------------------------------------------------------------------------------------------------------
# This function updates the ComboBox whenever objects are created, destroyed or the active object has changed
def update_comboBox(self):
print("DEBUG: repainting ComboBox. (in 'RootsApp.update_comboBox()'")
self.comboBox.clear()
self.comboBox.addItem("none")
for object in self.object_list:
self.comboBox.addItem(object.name)
self.comboBox.adjustSize()
# -----------------------------------------------------------------------------------------------------------
# This is a timer which is restarted every time a measurement is received. If it elapses it means that the sesnor is not connected
def timer_timeout(self):
print("DEBUG: timer timeout. (in 'RootsApp.timer_timeout()'")
self.sensor_not_responding = True
self.statusBar().showMessage(strings.sensor_disconnected)
self.statusBar().setStyleSheet(styles.statusBarError)
self.plotWidget.setTitle("Sensor not connected")
# -----------------------------------------------------------------------------------------------------------
# This function creates a new object in the database and then calls the "add_object" function, which adds the newly created object to the application
def create_object(self):
new_object_name = "Object {0}".format(self.number_of_objects_added + 1)
[new_object_ID, location_IDs] = database.create_object(self.database_connection, new_object_name)
self.add_object(new_object_name, new_object_ID, location_IDs)
# -----------------------------------------------------------------------------------------------------------
# This function deletes an object from the database, and from the application object list. It alsos destroys the object
def delete_object(self, object):
print("DEBUG: deleting object {0}. (in 'RootsApp.delete_object()')".format(object.ID))
database.delete_object(self.database_connection, object.ID)
self.object_list.remove(object)
self.verticalLayout.removeItem(object.layout)
self.update_comboBox()
object.delete()
# -----------------------------------------------------------------------------------------------------------
# This function adds an object to the current application. Note that if you want to create an object ex-novo you should call "create_object". This function is useful when loading existing objects from a file
def add_object(self, name, object_ID, location_IDs):
self.number_of_objects_added += 1
new_object = Object(name, object_ID, location_IDs, self)
self.object_list.append(new_object)
for ID in location_IDs: # initializes the measurements with 0 if the measurement is empty
#print("DEBUG: initializing location ID {0}".format(ID))
measurements = database.get_measurements_for_location(self.database_connection, ID)
print("DEBUG: location {0} of object {1} is trained: {2}. (in 'RootsApp.add_object()')".format(ID, new_object.name, database.is_location_trained(self.database_connection, ID)))
if len(measurements) == 0:
database.save_points(self.database_connection, [0], ID)
database.set_location_trained(self.database_connection, ID, "FALSE")
elif database.is_location_trained(self.database_connection, ID) == "TRUE":
new_object.get_interaction_by_ID(ID).setCalibrated(True)
# inserts the newly created object before the "Add Object" button
index = self.verticalLayout.indexOf(self.btn_create_object)
self.verticalLayout.insertLayout(index, new_object.layout)
self.update_comboBox()
print("DEBUG: object {0} added. (in 'RootsApp.add_object()')".format(new_object.name))
return
# -----------------------------------------------------------------------------------------------------------
# This function takes as input the measurement data and formats it to plot it on the graph
def update_graph(self, data):
frequency_step = (self.sensor_end_freq - self.sensor_start_freq) / len(data)
x_axis = numpy.arange(self.sensor_start_freq, self.sensor_end_freq, frequency_step)
formatted_data = numpy.transpose(numpy.asarray([x_axis, data]))
self.dataPlot.setData(formatted_data)
# -----------------------------------------------------------------------------------------------------------
# This function starts the UDP server that receives the measurements
def run_UDP_server(self, UDP_IP, UDP_PORT):
self.UDPServer = UDPServer(UDP_IP, UDP_PORT)
self.UDPServer.signals.measurementReceived.connect(self.process_measurement)
self.threadpool.start(self.UDPServer)
# -----------------------------------------------------------------------------------------------------------
# This function changes some global variables to tell the application to save the incoming measurements into the database. The measurements belong to the interaction passed as argument
def start_collecting_measurements(self, interaction):
if self.sensor_not_responding:
print("DEBUG: warning! Can't start calibration, the sensor is not responding! (in 'RootsApp.start_collecting_measurements()')")
error_msg = QMessageBox()
error_msg.setText("Can't start calibration!")
error_msg.setIcon(QMessageBox.Critical)
error_msg.setInformativeText('The sensor is not responding, make sure it is connected')
error_msg.setWindowTitle("Error")
error_msg.exec_()
else:
print("starting to collect measurements into the database at location ID {0} (in 'RootsApp.start_collecting_measurements()')".format(interaction.ID));
self.is_training_on = True
self.interaction_under_training = interaction
database.delete_measurements_from_location(self.database_connection, interaction.ID) # resets the location measurements
self.progress_dialog = QProgressDialog("Calibrating", "Abort", 0, self.n_measurements_to_collect, self)
self.progress_dialog.setWindowModality(Qt.WindowModal)
self.progress_dialog.setWindowTitle("Calibration")
self.progress_dialog.setFixedSize(400, 200)
self.progress_dialog.setValue(0)
self.progress_dialog.exec_()
# -----------------------------------------------------------------------------------------------------------
# This function is called by the UDP thread every time that a measurement is received. It does the following:
# 1. Plots the incoming measurement
# 2. IF training mode IS on:
# Predicts the interaction (tries to guess where the user is touching)
# ELSE:
# Saves the measurement and retrains the classifier with the new data
def process_measurement(self, received_data):
self.sensor_not_responding = False
self.plotWidget.setTitle("Sensor response")
self.timer.start() # starts the timer that checks if we are receiving data from the sensor
measurement = received_data.split(' ') # get rid of separator
measurement = [float(i) for i in measurement] # convert strings to float
self.update_graph(measurement)
self.predict_interaction(measurement)
# checks the standard deviation of the received data to see if the sensor is working well
if (numpy.std(measurement) < self.standard_deviation_threshold):
self.statusBar().showMessage(strings.sensor_not_working)
self.statusBar().setStyleSheet(styles.statusBarError)
else:
self.statusBar().setStyleSheet(styles.statusBar)
if self.is_training_on:
print("saving measurement {0} into database at location_ID {1}. (in 'RootsApp.process_measurement()')".format(self.n_measurements_collected + 1, self.interaction_under_training.ID))
database.save_points(self.database_connection, measurement, self.interaction_under_training.ID)
self.n_measurements_collected += 1
self.progress_dialog.setValue(self.n_measurements_collected)
if (self.n_measurements_collected >= self.n_measurements_to_collect):
self.is_training_on = False
self.n_measurements_collected = 0
print("DEBUG: {0} measurements were saved at location_ID {1}. (in 'RootsApp.process_measurement()')".format(self.n_measurements_to_collect, self.interaction_under_training.ID))
self.train_classifiers()
self.interaction_under_training.setCalibrated(True) # this makes the button "Calibrate" change coulour
# -----------------------------------------------------------------------------------------------------------
# This function retrains the classifiers using all the measurements present in the database and assigns to each object its classifier
def train_classifiers(self):
#[objects_ID, classifiers]
classifiers = classifier.get_classifiers(self.database_connection)
print("DEBUG: the following classifiers were created: {0}. (in 'RootsApp.train_classifiers')".format(classifiers))
for object in self.object_list:
for index, tuple in enumerate(classifiers):
object_ID, classif = tuple; # extracts the object ID and the classifier from the tuple
if object_ID == object.ID:
object.classifier = classif
del classifiers[index]
# -----------------------------------------------------------------------------------------------------------
# This function changes the current active object (the software tries to guess where the user is touching using the calibration data from the active object)
def set_active_object(self, active_object):
self.active_object = active_object
for obj in self.object_list:
if obj == active_object:
active_object.set_highlighted(True)
else:
obj.set_highlighted(False)
index = self.comboBox.findText(self.active_object.name) # updates the index of the ComboBox
self.comboBox.setCurrentIndex(index)
# -----------------------------------------------------------------------------------------------------------
# This function changes the name of an object. It updates the database AND the application data structure.
def rename_object(self, object, new_name):
print("DEBUG: changing name of object '{0}' (in 'RootsApp.rename_object')".format(object.name))
object.set_name(new_name)
database.rename_object(self.database_connection, object.ID, new_name)
self.update_comboBox()
# -----------------------------------------------------------------------------------------------------------
# This function uses the classifier of the active object to guess where the user is touching, based on the incoming measurement
def predict_interaction(self, measurement):
if (len(self.object_list) <= 0):
self.labelClassification.setText("No objects available")
self.statusBar().showMessage(strings.no_objects)
return
if self.active_object is None:
self.labelClassification.setText("No object selected")
self.statusBar().showMessage(strings.no_object_selected)
return
if self.active_object.classifier is None:
self.labelClassification.setText("The object is not calibrated")
self.statusBar().showMessage(strings.object_not_calibrated)
return
else:
predicted_interaction_id = self.active_object.classifier(measurement)
interaction = self.active_object.get_interaction_by_ID(predicted_interaction_id)
self.labelClassification.setText(interaction.name)
self.statusBar().showMessage("")
#print("DEBUG: predicted interaction ID: ", interaction.ID)
# -----------------------------------------------------------------------------------------------------------
# This is a system event that gets called whenever the user tries to close the application. It calls the "exit()"
# function (just below) to open a dialog to make sure the user really wants to quit.
def closeEvent(self, event):
if not self.exit():
event.ignore()
# -----------------------------------------------------------------------------------------------------------
# This function gets called when the user cliks on the "Exit" button in the "File" menu or when it tries to close the window (indirectly)
# Here we open a dialog to make sure the user really wants to quit.
def exit(self):
dialogWindow = DialogExit()
answer = dialogWindow.exec_()
if (answer == True):
self.UDPServer.stop()
self.close()
return answer
