def __init__(self, parent=None):
# needs to be defined before the base class is initialized or the
# event filter won't work
self._treePopupWidget = None
super(XOrbRecordBox, self).__init__(parent)
# define custom properties
self._currentRecord = None # only used while loading
self._changedRecord = -1
self._tableTypeName = ''
self._tableLookupIndex = ''
self._baseHints = ('', '')
self._tableType = None
self._order = None
self._query = None
self._iconMapper = None
self._labelMapper = str
self._required = True
self._loaded = False
self._showTreePopup = False
self._autoInitialize = False
self._threadEnabled = True
self._specifiedColumns = None
self._specifiedColumnsOnly = False
# create threading options
self._worker = XOrbLookupWorker()
self._workerThread = QThread()
self._worker.moveToThread(self._workerThread)
self._worker.setBatched(False)
self._workerThread.start()
# create connections
self.loadRequested.connect(self._worker.loadRecords)
self.lineEdit().textEntered.connect(self.assignCurrentRecord)
self.lineEdit().editingFinished.connect(self.emitCurrentRecordEdited)
self.lineEdit().returnPressed.connect(self.emitCurrentRecordEdited)
self._worker.loadingStarted.connect(self.markLoadingStarted)
self._worker.loadingFinished.connect(self.markLoadingFinished)
self._worker.loadedRecords.connect(self.addRecordsFromThread)
self.currentIndexChanged.connect(self.emitCurrentRecordChanged)
QApplication.instance().aboutToQuit.connect(self.__cleanupWorker)
def worker(self):
"""
Returns the worker object for loading records for this record box.
:return <XOrbLookupWorker>
"""
if self._worker is None:
self._worker = XOrbLookupWorker(self.isThreadEnabled())
self._worker.setBatchSize(self._batchSize)
self._worker.setBatched(not self.isThreadEnabled())
# connect the worker
self.loadRequested.connect(self._worker.loadRecords)
self._worker.loadingStarted.connect(self.markLoadingStarted)
self._worker.loadingFinished.connect(self.markLoadingFinished)
self._worker.loadedRecords.connect(self.addRecordsFromThread)
return self._worker
