class Terminals(QWidget):
ready = pyqtSignal(bool)
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.ui = uic.loadUiType('terminal.ui')[0]()
self.ui.setupUi(self)
self.notifier = QSystemTrayIcon(QIcon('arrow-up-icon.png'), self)
self.notifier.show()
self.model = None
self.mainloop = None
self.delegate = None
def test_display(self):
if self.mainloop:
self.mainloop.test_display()
def update_device_config(self):
if self.mainloop:
self.mainloop.update_config()
def terminal_open(self, addr):
if self.mainloop:
self.mainloop.terminal_open(addr)
def terminal_close(self, addr):
if self.mainloop:
self.mainloop.terminal_close(addr)
def start_mainloop(self):
if self.mainloop is None:
self.mainloop = Mainloop(parent=self)
self.mainloop.ready.connect(self.on_mainloop_ready)
self.mainloop.notify.connect(lambda title, msg: self.notifier.showMessage(title, msg))
self.mainloop.start()
def stop_mainloop(self):
if self.mainloop:
self.mainloop.state.disconnect()
self.mainloop.ready.disconnect()
self.mainloop.notify.disconnect()
[self.ui.terminals.closePersistentEditor(self.model.index(row, 0))
for row in xrange(self.model.rowCount())]
self.mainloop.stop()
self.mainloop = None
def update_model(self):
self.stop_mainloop()
self.start_mainloop()
def on_mainloop_ready(self, ok, titles):
if ok:
self.model = QStandardItemModel(len(titles), 1)
[self.model.setItem(i, QStandardItem(str(addr))) for i, addr in enumerate(titles.keys())]
self.delegate = TerminalDelegate(self.mainloop, titles)
self.mainloop.report.connect(self.delegate.report)
self.mainloop.state.connect(self.delegate.state)
self.ui.terminals.setModel(self.model)
self.ui.terminals.setItemDelegateForColumn(0, self.delegate)
[self.ui.terminals.openPersistentEditor(self.model.index(row, 0))
for row in xrange(self.model.rowCount())]
self.mainloop.db.free_places_update.connect(self.ui.free_places.setValue)
self.mainloop.update_config()
else:
self.model = None
self.mainloop = None
self.ready.emit(ok)
class Terminals(QWidget):
ready = pyqtSignal(bool)
def __init__(self, parent=None):
QWidget.__init__(self, parent)
self.ui = uic.loadUiType('terminal.ui')[0]()
self.ui.setupUi(self)
self.notifier = QSystemTrayIcon(QIcon('arrow-up-icon.png'), self)
self.notifier.show()
self.session = None
self.model = None
self.devices = {}
self.mainloop = None
self.delegate = None
def test_display(self):
if self.mainloop:
self.mainloop.test_display()
def update_device_config(self):
if self.mainloop:
self.mainloop.update_config()
def terminal_open(self, addr):
if self.mainloop:
self.mainloop.terminal_open(addr)
def terminal_close(self, addr):
if self.mainloop:
self.mainloop.terminal_close(addr)
def begin_session(self, fio, access):
if access in ['operator']:
self.ui.cashier.setText(fio)
self.session = (fio, access)
return True
return False
def end_session(self, block=False):
self.ui.cashier.setText(u'')
self.session = None
self.stop_mainloop(block)
return True
def on_mainloop_stopped(self):
self.mainloop = None
if self.session:
self.start_mainloop()
def start_mainloop(self):
if self.mainloop is None:
self.mainloop = Mainloop(devices=self.devices)
self.mainloop.ready.connect(self.on_mainloop_ready)
self.mainloop.stopped.connect(self.on_mainloop_stopped)
self.mainloop.notify.connect(lambda title, msg: self.notifier.showMessage(title, msg))
self.mainloop.start()
def stop_mainloop(self, block=False):
if self.mainloop:
try:
self.mainloop.state.disconnect()
self.mainloop.ready.disconnect()
self.mainloop.notify.disconnect()
except TypeError:
print 'NOTE: mainloop signals disconnect'
if self.model:
[self.ui.terminals.closePersistentEditor(self.model.index(row, 0))
for row in xrange(self.model.rowCount())]
self.mainloop.stop(block)
else:
self.ready.emit(False)
def reset_mainloop(self, devices):
self.devices = devices
if self.mainloop is None:
self.start_mainloop()
else:
self.stop_mainloop()
def on_mainloop_ready(self, ok, titles):
if ok:
self.model = QStandardItemModel(len(titles), 1)
[self.model.setItem(i, QStandardItem(str(addr))) for i, addr in enumerate(titles.keys())]
self.delegate = TerminalDelegate(self.mainloop, titles)
self.mainloop.report.connect(self.delegate.report)
self.mainloop.state.connect(self.delegate.state)
self.ui.terminals.setModel(self.model)
self.ui.terminals.setItemDelegateForColumn(0, self.delegate)
[self.ui.terminals.openPersistentEditor(self.model.index(row, 0))
for row in xrange(self.model.rowCount())]
self.mainloop.db.free_places_update.connect(self.ui.free_places.setValue)
self.mainloop.update_config()
else:
self.model = None
self.mainloop = None
self.ready.emit(ok)