def RetrieveFilesList(self):
self.progress.setRange(0, 3)
self.serverFiles = serverfiles.ServerFiles(access_code=self.accessCode)
task = Task(function=partial(retrieveFilesList, self.serverFiles,
self.domains,
methodinvoke(self.progress, "advance")))
task.resultReady.connect(self.SetFilesList)
task.exceptionReady.connect(self.HandleError)
self.executor.submit(task)
self.setEnabled(False)
def __init__(self, domain, filename, serverfiles, parent=None):
Task.__init__(self, parent)
self.filename = filename
self.domain = domain
self.serverfiles = serverfiles
self._interrupt = False
def __init__(self, parent=None, signalManager=None,
name="Databases update", wantCloseButton=False,
searchString="", showAll=True, domains=None,
accessCode=""):
OWWidget.__init__(self, parent, signalManager, name, wantMainArea=False)
self.searchString = searchString
self.accessCode = accessCode
self.showAll = showAll
self.domains = domains
self.serverFiles = serverfiles.ServerFiles()
box = OWGUI.widgetBox(self.controlArea, orientation="horizontal")
self.lineEditFilter = \
OWGUIEx.lineEditHint(box, self, "searchString", "Filter",
caseSensitive=False,
delimiters=" ",
matchAnywhere=True,
listUpdateCallback=self.SearchUpdate,
callbackOnType=True,
callback=self.SearchUpdate)
box = OWGUI.widgetBox(self.controlArea, "Files")
self.filesView = QTreeWidget(self)
self.filesView.setHeaderLabels(
["", "Data Source", "Update", "Last Updated", "Size"])
self.filesView.setRootIsDecorated(False)
self.filesView.setUniformRowHeights(True)
self.filesView.setSelectionMode(QAbstractItemView.NoSelection)
self.filesView.setSortingEnabled(True)
self.filesView.sortItems(1, Qt.AscendingOrder)
self.filesView.setItemDelegateForColumn(
0, UpdateOptionsItemDelegate(self.filesView))
QObject.connect(self.filesView.model(),
SIGNAL("layoutChanged()"),
self.SearchUpdate)
box.layout().addWidget(self.filesView)
box = OWGUI.widgetBox(self.controlArea, orientation="horizontal")
self.updateButton = OWGUI.button(box, self, "Update all",
callback=self.UpdateAll,
tooltip="Update all updatable files",
)
self.downloadButton = OWGUI.button(box, self, "Download all",
callback=self.DownloadFiltered,
tooltip="Download all filtered files shown")
self.cancelButton = OWGUI.button(box, self, "Cancel", callback=self.Cancel,
tooltip="Cancel scheduled downloads/updates.")
OWGUI.rubber(box)
OWGUI.lineEdit(box, self, "accessCode", "Access Code",
orientation="horizontal",
callback=self.RetrieveFilesList)
self.retryButton = OWGUI.button(box, self, "Retry",
callback=self.RetrieveFilesList)
self.retryButton.hide()
box = OWGUI.widgetBox(self.controlArea, orientation="horizontal")
OWGUI.rubber(box)
if wantCloseButton:
OWGUI.button(box, self, "Close",
callback=self.accept,
tooltip="Close")
self.infoLabel = QLabel()
self.infoLabel.setAlignment(Qt.AlignCenter)
self.controlArea.layout().addWidget(self.infoLabel)
self.infoLabel.setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed)
self.updateItems = []
self.resize(800, 600)
self.progress = ProgressState(self, maximum=3)
self.progress.valueChanged.connect(self._updateProgress)
self.progress.rangeChanged.connect(self._updateProgress)
self.executor = ThreadExecutor(
threadPool=QThreadPool(maxThreadCount=2)
)
task = Task(self, function=self.RetrieveFilesList)
task.exceptionReady.connect(self.HandleError)
task.start()
self._tasks = []
self._haveProgress = False