class CyclePanel(TaurusWidget):
"Panel for controlling the cycling functionality"
trend_trigger = QtCore.pyqtSignal(bool)
attrs = [
"CyclingTimePlateau", "CyclingIterations", "CyclingSteps",
"CyclingRampTime", "NominalSetPoint"
]
scale_factor = 1.1
def __init__(self, parent=None):
TaurusWidget.__init__(self, parent)
self._setup_ui()
print('CyclePanel juste avant setmodel')
# self.setModel('sys/tg_test/1')
def scaleSize(self):
size = self.form.scrollArea.widget().frameSize()
return QtCore.QSize(size.width(), size.height() * self.scale_factor)
def _setup_ui(self):
vbox = QtGui.QVBoxLayout(self)
self.setLayout(vbox)
grid = QtGui.QGridLayout()
self.form = MAXForm(withButtons=False)
grid.addWidget(self.form, 0, 0, 2, 1)
# rescale taurus form methode
self.form.scrollArea.sizeHint = self.scaleSize
self.status_label = StatusArea()
grid.addWidget(self.status_label, 0, 1, 1, 1)
commandbox = QtGui.QVBoxLayout(self)
self.start_button = TaurusCommandButton(command="StartCycle")
self.start_button.setUseParentModel(True)
self.stop_button = TaurusCommandButton(command="StopCycle")
self.stop_button.setUseParentModel(True)
commandbox.addWidget(self.start_button)
commandbox.addWidget(self.stop_button)
grid.addLayout(commandbox, 1, 1, 1, 1)
vbox.addLayout(grid)
self.trend = TaurusTrend()
vbox.addWidget(self.trend, stretch=1)
self.trend_trigger.connect(self.set_trend_paused)
self.cyclingState = None
def setModel(self, device):
print self.__class__.__name__, "setModel", device
TaurusWidget.setModel(self, device)
# self.state_button.setModel(device)
if device:
self.form.setModel(
["%s/%s" % (device, attribute) for attribute in self.attrs])
self.status_label.setModel("%s/cyclingStatus" % device)
ps = str(PyTango.Database().get_device_property(
device, "PowerSupplyProxy")["PowerSupplyProxy"][0])
self.trend.setPaused()
self.trend.setModel(["%s/Current" % ps])
self.trend.setForcedReadingPeriod(0.2)
self.trend.showLegend(True)
# let's pause the trend when not cycling
self.cyclingState = self.getModelObj().getAttribute("cyclingState")
self.cyclingState.addListener(self.handle_cycling_state)
else:
if self.cyclingState:
self.cyclingState.removeListener(self.handle_cycling_state)
self.trend.setModel(None)
self.status_label.setModel(None)
def handle_cycling_state(self, evt_src, evt_type, evt_value):
if evt_type in [
PyTango.EventType.CHANGE_EVENT,
PyTango.EventType.PERIODIC_EVENT
]:
self.trend_trigger.emit(evt_value.value)
def set_trend_paused(self, value):
self.trend.setForcedReadingPeriod(0.2 if value else -1)
self.trend.setPaused(not value)
