class AliasWidget(QFrame):
def __init__(self, parent, name, selections, preselect):
QFrame.__init__(self, parent)
self.name = name
self.selections = selections
layout = QHBoxLayout()
layout.addWidget(QLabel(name, self))
self.combo = QComboBox(self)
self.combo.addItems(selections)
if preselect in selections:
self.combo.setCurrentIndex(selections.index(preselect))
else:
self.combo.setCurrentIndex(0)
layout.addWidget(self.combo)
layout.setContentsMargins(0, 0, 0, 0)
self.setLayout(layout)
def setSelections(self, selections, preselect):
if selections != self.selections:
self.selections = selections
self.combo.clear()
self.combo.addItems(selections)
if preselect in selections:
self.combo.setCurrentIndex(selections.index(preselect))
else:
self.combo.setCurrentIndex(0)
def getSelection(self):
return self.combo.currentText()
class Detector(MeasElement):
"""Element for selecting detector distance, depending on selector."""
CACHE_KEY = 'detector/presets'
SORT_KEY = lambda self, x: num_sort(x)
LABEL = 'Detector'
_allvalues = None
def clientUpdate(self, client):
self._allvalues = client.getDeviceParam(*self.CACHE_KEY.split('/'))
self._values = []
def createWidget(self, parent, client):
self.clientUpdate(client)
self._widget = QComboBox(parent)
self._updateWidget()
self._widget.currentIndexChanged.connect(self._updateValue)
return self._widget
def _updateWidget(self):
self._widget.clear()
self._widget.addItems(self._values)
if self.value in self._values:
self._widget.setCurrentIndex(self._values.index(self.value))
def otherChanged(self, eltype, value):
if eltype == 'selector' and self._allvalues is not None:
self._values = sorted(self._allvalues[value], key=self.SORT_KEY)
if self.value not in self._values:
if self._values:
self.value = self._values[0]
else:
self.value = None
if self._widget is not None:
self._updateWidget()
def _updateValue(self, index):
self.value = self._values[index]
self.changed.emit(self.value)