def _open_dashboard(self):
if not self._dashboard:
self._dashboard = Dashboard(self._version_string)
to_show = [c for c in self.guichannels
if self._load_show_in_dashboard(c.channel.resource.dev_id)]
self._dashboard.add_channels(to_show)
self._dashboard.closed.connect(self._dashboard_closed)
self._dashboard.hide_channel.connect(self._hide_from_dashboard)
self._dashboard.show()
class DeviceList(QtG.QWidget):
closed = QtC.pyqtSignal()
force_rescan = QtC.pyqtSignal()
def __init__(self, version_string):
QtG.QWidget.__init__(self)
loadUi('ui/devicelist.ui', self)
self._version_string = version_string
self.setWindowTitle('Device List – DEVIL ' + version_string)
s = QtC.QSettings()
if s.contains(HEADER_SETTING):
self.deviceTableWidget.horizontalHeader().restoreState(
s.value(HEADER_SETTING))
self.forceRescanButton.clicked.connect(self.force_rescan)
self.openDashboardButton.clicked.connect(self._open_dashboard)
self.guichannels = []
self.guichannels_displayed = []
self._channel_in_dashboard_boxes = {}
self._dashboard = None
def register(self, channel, create_control_panel_fn):
# We need to keep a reference to the object around as connecting to a
# signal only creates a weak references.
guichannel = GuiChannel(channel, create_control_panel_fn)
self.guichannels.append(guichannel)
channel.connection_ready.connect(lambda: self._display_channel(guichannel))
channel.shutting_down.connect(lambda: self._remove_channel(guichannel))
channel.connection_failed.connect(self._channel_connection_failed)
def _channel_connection_failed(self, msg):
QtC.qWarning('[{}] Connection failed: {}'.format(
self.sender().resource.display_name, msg))
# Immediately rescan to swiftly recover from intermittent connection
# problems.
self.force_rescan.emit()
def closeEvent(self, event):
state = self.deviceTableWidget.horizontalHeader().saveState()
QtC.QSettings().setValue(HEADER_SETTING, state)
self.closed.emit()
def _display_channel(self, guichannel):
self.guichannels_displayed.append(guichannel)
self.guichannels_displayed.sort(
key=lambda a: a.channel.resource.display_name)
tw = self.deviceTableWidget
row = self.guichannels_displayed.index(guichannel)
tw.insertRow(row)
c = guichannel.channel
tw.setItem(row, 0, QtG.QTableWidgetItem(c.resource.display_name))
dev_id = c.resource.dev_id
tw.setItem(row, 1, QtG.QTableWidgetItem(dev_id))
tw.setItem(row, 2, QtG.QTableWidgetItem(str(c.resource.version)))
show_in_dashboard = QtG.QCheckBox()
on_dashboard = self._load_show_in_dashboard(dev_id)
show_in_dashboard.setChecked(on_dashboard)
show_in_dashboard.stateChanged.connect(
lambda val: self._show_in_dashboard_changed(guichannel, val))
self._channel_in_dashboard_boxes[guichannel] = show_in_dashboard
tw.setCellWidget(row, 3, show_in_dashboard)
open_button = QtG.QPushButton('Control Panel')
open_button.clicked.connect(guichannel.show_control_panel)
tw.setCellWidget(row, 4, open_button)
# If the channel had been on the dashboard before and the dashboard is
# open, immediately show it.
if on_dashboard and self._dashboard:
self._dashboard.add_channel(guichannel)
def _remove_channel(self, guichannel):
if guichannel in self.guichannels_displayed:
idx = self.guichannels_displayed.index(guichannel)
self.deviceTableWidget.removeRow(idx)
del self._channel_in_dashboard_boxes[guichannel]
self.guichannels_displayed.remove(guichannel)
self.guichannels.remove(guichannel)
def _show_in_dashboard_changed(self, guichannel, new_val):
s = QtC.QSettings()
s.setValue(IN_DASHBOARD_SETTINGS + guichannel.channel.resource.dev_id,
new_val)
if self._dashboard:
if new_val == 2:
self._dashboard.add_channel(guichannel)
elif new_val == 0:
self._dashboard.remove_channel(guichannel)
def _load_show_in_dashboard(self, dev_id):
s = QtC.QSettings()
return int(s.value(IN_DASHBOARD_SETTINGS + dev_id, 0))
def _open_dashboard(self):
if not self._dashboard:
self._dashboard = Dashboard(self._version_string)
to_show = [c for c in self.guichannels
if self._load_show_in_dashboard(c.channel.resource.dev_id)]
self._dashboard.add_channels(to_show)
self._dashboard.closed.connect(self._dashboard_closed)
self._dashboard.hide_channel.connect(self._hide_from_dashboard)
self._dashboard.show()
def _hide_from_dashboard(self, channel):
checkbox = self._channel_in_dashboard_boxes.get(channel, None)
if checkbox:
checkbox.setChecked(0)
def _dashboard_closed(self):
self._dashboard = None