def sceneSelectionChanged(self):
'''
C++: void sceneSelectionChanged()
This syncs the selection
NetworkView -> (Model)View
To do this it uses the QSelectionModel that the ModelController
has as a reference.
'''
if self.modelSelectionInProgress: # don't create an selection update loop
return
itemSelection = QItemSelection()
selectionModel = self.controller.getGlobalSelectionModel()
if not self.graphicsScene:
return
selectedItems = self.graphicsScene.selectedItems()
#logging.debug("Creating model selection for %s items" % len(selectedItems))
for item in selectedItems:
index = self.findItemInModel(item)
if index is not None:
itemSelection.select(index, index)
selectionModel.select(itemSelection, QItemSelectionModel.ClearAndSelect | QItemSelectionModel.Rows)
def testOperators(self):
model = QStandardItemModel()
for i in range(100):
model.appendRow(QStandardItem("Item: %d"%i))
first = model.index(0, 0)
second = model.index(10, 0)
third = model.index(20, 0)
fourth = model.index(30, 0)
sel = QItemSelection(first, second)
sel2 = QItemSelection()
sel2.select(third, fourth)
sel3 = sel + sel2 #check operator +
self.assertEqual(len(sel3), 2)
sel4 = sel
sel4 += sel2 #check operator +=
self.assertEqual(len(sel4), 2)
self.assertEqual(sel4, sel3)
def testOperators(self):
model = QStandardItemModel()
for i in range(100):
model.appendRow(QStandardItem("Item: %d" % i))
first = model.index(0, 0)
second = model.index(10, 0)
third = model.index(20, 0)
fourth = model.index(30, 0)
sel = QItemSelection(first, second)
sel2 = QItemSelection()
sel2.select(third, fourth)
sel3 = sel + sel2 # check operator +
self.assertEqual(len(sel3), 2)
sel4 = sel
sel4 += sel2 # check operator +=
self.assertEqual(len(sel4), 2)
self.assertEqual(sel4, sel3)