def markLoadingStarted(self):
"""
Marks this widget as loading records.
"""
if self.isThreadEnabled():
XLoaderWidget.start(self)
if self.showTreePopup():
tree = self.treePopupWidget()
tree.setCursor(Qt.WaitCursor)
tree.clear()
tree.setUpdatesEnabled(False)
tree.blockSignals(True)
self._baseHints = (self.hint(), tree.hint())
tree.setHint('Loading records...')
self.setHint('Loading records...')
else:
self._baseHints = (self.hint(), '')
self.setHint('Loading records...')
self.setCursor(Qt.WaitCursor)
self.blockSignals(True)
self.setUpdatesEnabled(False)
# prepare to load
self.clear()
use_dummy = not self.isRequired() or self.isCheckable()
if use_dummy:
self.addItem('')
self.loadingStarted.emit()
def markLoadingStarted(self):
"""
Marks this widget as loading records.
"""
if self.isThreadEnabled():
XLoaderWidget.start(self)
if self.showTreePopup():
tree = self.treePopupWidget()
tree.setCursor(Qt.WaitCursor)
tree.clear()
tree.setUpdatesEnabled(False)
tree.blockSignals(True)
self._baseHints = (self.hint(), tree.hint())
tree.setHint('Loading records...')
self.setHint('Loading records...')
else:
self._baseHints = (self.hint(), '')
self.setHint('Loading records...')
self.setCursor(Qt.WaitCursor)
self.blockSignals(True)
self.setUpdatesEnabled(False)
# prepare to load
self.clear()
use_dummy = not self.isRequired() or self.isCheckable()
if use_dummy:
self.addItem('')
self.loadingStarted.emit()
def startLoading(self):
"""
Updates this item to mark the item as loading. This will create
a QLabel with the loading ajax spinner to indicate that progress
is occurring.
"""
if self._loading:
return False
tree = self.treeWidget()
if not tree:
return
self._loading = True
self.setText(0, '')
# create the label for this item
lbl = QtGui.QLabel(self.treeWidget())
lbl.setMovie(XLoaderWidget.getMovie())
lbl.setAlignment(QtCore.Qt.AlignCenter)
tree.setItemWidget(self, 0, lbl)
try:
tree.loadStarted.emit(self)
except AttributeError:
pass
return True
def closeEvent( self, event ):
if self.isViewSingleton():
self.setParent(None)
# make sure to destroy any threads running on close
if self.testAttribute(Qt.WA_DeleteOnClose) and \
self.destroyThreadsOnClose():
self.killChildThreads()
# clear out any progress loaders
XLoaderWidget.stopAll(self)
# remove any registered instances
if self.testAttribute(Qt.WA_DeleteOnClose):
self.unregisterInstance(self)
super(XView, self).closeEvent(event)
def markLoadingFinished(self):
"""
Marks this widget as finished loading records.
"""
XLoaderWidget.stop(self, force=True)
hint, tree_hint = self._baseHints
self.setHint(hint)
# set the tree widget
if self.showTreePopup():
tree = self.treePopupWidget()
tree.setHint(tree_hint)
tree.unsetCursor()
tree.setUpdatesEnabled(True)
tree.blockSignals(False)
self.unsetCursor()
self.blockSignals(False)
self.setUpdatesEnabled(True)
self.loadingFinished.emit()
def markLoadingFinished(self):
"""
Marks this widget as finished loading records.
"""
XLoaderWidget.stop(self, force=True)
hint, tree_hint = self._baseHints
self.setHint(hint)
# set the tree widget
if self.showTreePopup():
tree = self.treePopupWidget()
tree.setHint(tree_hint)
tree.unsetCursor()
tree.setUpdatesEnabled(True)
tree.blockSignals(False)
self.unsetCursor()
self.blockSignals(False)
self.setUpdatesEnabled(True)
self.loadingFinished.emit()
