def __init__(self,
file=None,
initial_selection=None,
lazy=True,
theme='light',
support_increased_line_width=False,
show_datetime=False):
"""
Initialize a new MainWindow.
"""
QT.QMainWindow.__init__(self)
self.setWindowIcon(QT.QIcon(':/neurotic-logo-150.png'))
self.setWindowTitle('neurotic')
self.resize(600, 300)
# lazy loading using Neo RawIO
self.lazy = lazy
# available themes are 'light', 'dark', and 'original'
self.theme = theme
# support_increased_line_width=True eliminates the extremely poor
# performance associated with TraceViewer's line_width > 1.0, but it
# also degrades overall performance somewhat and uses a mode of
# pyqtgraph that is reportedly unstable
self.support_increased_line_width = support_increased_line_width
# show_datetime=True will display the real-world date and time next to
# the in-file time, but this may be inaccurate for several reasons,
# e.g. if data acquisition was paused and continued after some delay or
# if an AxoGraph chart was not started immediately after creation
self.show_datetime = show_datetime
# windows are appended to this list so that they persist after the
# function that spawned them returns
self.windows = []
# metadata selector
self.metadata_selector = _MetadataSelectorQt()
self.setCentralWidget(self.metadata_selector)
# create a worker thread for downloading data
self.download_thread = QT.QThread()
self.download_worker = _DownloadWorker(self.metadata_selector)
self.download_worker.moveToThread(self.download_thread)
self.request_download.connect(self.download_worker.download)
self.download_worker.download_finished.connect(
self.on_download_finished)
# construct the menus
self.create_menus()
# open metadata file
if file is not None:
# try the user-specified file
self.metadata_selector.file = file
self.metadata_selector.load()
if self.metadata_selector.all_metadata is None:
# use an example metadata file if the user-specified file failed to
# load or one was not provided
self.metadata_selector.file = pkg_resources.resource_filename(
'neurotic', 'example/metadata.yml')
self.metadata_selector.load()
# select a dataset if the user provided one
if initial_selection is not None:
try:
self.metadata_selector.setCurrentRow(
list(self.metadata_selector.all_metadata).index(
initial_selection))
except (TypeError, ValueError) as e:
print('Bad dataset key, will ignore:', e)
def __init__(self, file=None, initial_selection=None, lazy=True, theme='light', ui_scale='medium', support_increased_line_width=False, show_datetime=False):
"""
Initialize a new MainWindow.
"""
QT.QMainWindow.__init__(self)
self.setWindowIcon(QT.QIcon(':/neurotic-logo-150.png'))
self.setWindowTitle('neurotic')
self.resize(600, 300)
self.statusBar()
# lazy loading using Neo RawIO
self.lazy = lazy
if theme not in available_themes:
logger.error(f'theme "{theme}" is unrecognized')
raise ValueError(f'theme "{theme}" is unrecognized')
self.theme = theme
if ui_scale not in available_ui_scales:
logger.error(f'ui scale "{ui_scale}" is unrecognized')
raise ValueError(f'ui scale "{ui_scale}" is unrecognized')
self.ui_scale = ui_scale
self.default_font_size = QT.QFont().pointSize()
# support_increased_line_width=True eliminates the extremely poor
# performance associated with TraceViewer's line_width > 1.0, but it
# also degrades overall performance somewhat and uses a mode of
# pyqtgraph that is reportedly unstable
self.support_increased_line_width = support_increased_line_width
# show_datetime=True will display the real-world date and time next to
# the in-file time, but this may be inaccurate for several reasons,
# e.g. if data acquisition was paused and continued after some delay or
# if an AxoGraph chart was not started immediately after creation
self.show_datetime = show_datetime
# windows are appended to this list so that they persist after the
# function that spawned them returns
self.windows = []
# metadata selector
self.metadata_selector = _MetadataSelectorQt(self)
# loading label
self.loading_label = QT.QLabel('Launching, please wait...')
self.loading_label.setFrameStyle(QT.QFrame.Panel | QT.QFrame.Sunken)
self.loading_label.setAlignment(QT.Qt.AlignCenter)
# gdrive auth flow label
self.gdrive_auth_label = QT.QLabel('Continue Google Drive authorization\nin your web browser')
self.gdrive_auth_label.setFrameStyle(QT.QFrame.Panel | QT.QFrame.Sunken)
self.gdrive_auth_label.setAlignment(QT.Qt.AlignCenter)
# initially stack the metadata selector above the loading label
self.stacked_layout = QT.QStackedLayout()
self.stacked_layout.addWidget(self.metadata_selector) # index 0
self.stacked_layout.addWidget(self.loading_label) # index 1
self.stacked_layout.addWidget(self.gdrive_auth_label) # index 2
central_widget = QT.QWidget()
central_widget.setLayout(self.stacked_layout)
self.setCentralWidget(central_widget)
# create a worker thread for network activity (e.g., downloading data)
self.network_thread = QT.QThread()
self.network_worker = _NetworkWorker(self)
self.network_worker.moveToThread(self.network_thread)
# set up the network thread to perform data downloads
self.request_download.connect(self.network_worker.download)
self.network_worker.download_finished.connect(self.on_download_finished)
# set up the network thread to perform checks for updates
self.request_check_for_updates.connect(self.network_worker.get_latest_release_number)
self.network_worker.version_check_finished.connect(self.on_version_check_finished)
# set up the network thread to run the Google Drive authorization flow
self.request_gdrive_authorization.connect(self.network_worker.authorize_gdrive)
self.network_worker.gdrive_authorization_finished.connect(self.on_gdrive_authorization_finished)
# create a worker thread for loading datasets
self.load_dataset_thread = QT.QThread()
self.load_dataset_worker = _LoadDatasetWorker(self)
self.load_dataset_worker.moveToThread(self.load_dataset_thread)
self.request_load_dataset.connect(self.load_dataset_worker.load_dataset)
self.load_dataset_worker.load_dataset_finished.connect(self.on_load_dataset_finished)
self.load_dataset_worker.show_status_msg.connect(self.statusBar().showMessage)
self.blk = None
# construct the menus
self.create_menus()
# open metadata file
if file:
# try the user-specified file
self.metadata_selector.file = file
self.metadata_selector.load()
if self.metadata_selector.all_metadata is None:
# use an example metadata file if the user-specified file failed to
# load or one was not provided
self.metadata_selector.file = pkg_resources.resource_filename('neurotic', 'example/metadata.yml')
self.metadata_selector.load()
# select a dataset if the user provided one
if initial_selection:
try:
self.metadata_selector.setCurrentRow(list(self.metadata_selector.all_metadata).index(initial_selection))
except (TypeError, ValueError) as e:
logger.error(f'Bad dataset key, will ignore: {e}')
self.statusBar().showMessage('ERROR: Bad dataset key, will '
'ignore', msecs=5000)