def validate(value):
try:
if value:
value = json.loads(value)
else:
value = None
palette = QtGui.QPalette()
palette.setColor(widget.backgroundRole(),
QtGui.QColor('white'))
widget.setPalette(palette)
self.arguments[name] = value
self.valid[name] = True
except:
palette = QtGui.QPalette()
palette.setColor(widget.backgroundRole(),
QtGui.QColor(255, 102, 102))
widget.setPalette(palette)
self.valid[name] = False
self.buttonBox.setEnabled(all(self.valid.values()))
def connect_backend(self):
super().connect_backend()
self.widget.start_stop.clicked.connect(self.on_start_stop_clicked)
self.widget.mode.currentIndexChanged.connect(self.on_mode_changed)
self.widget.iterations.valueChanged.connect(self.recalculate)
self.widget.duration.valueChanged.connect(self.recalculate)
self.widget.interval.valueChanged.connect(self.recalculate)
self.widget.progress_bar.setValue(0)
self._ok_palette = QtGui.QPalette(self.widget.progress_bar.palette())
self._overrun_palette = QtGui.QPalette(
self.widget.progress_bar.palette())
self._overrun_palette.setColor(QtGui.QPalette.Highlight,
QtGui.QColor(QtCore.Qt.red))
self.backend.iteration.connect(self.on_iteration)
self.backend.loop_done.connect(self.on_loop_done)
self.request_start.connect(self.backend.start)
self.request_stop.connect(self.backend.stop)