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 mapSelectionToSource(self, proxySelection):
sourceSelection = QItemSelection()
if self.sourceModel() is None:
return sourceSelection
cursor = proxySelection.constBegin()
end = proxySelection.constEnd()
while cursor != end:
topLeft = self.mapToSource(cursor.topLeft())
bottomRight = self.mapToSource(cursor.bottomRight())
sourceRange = QItemSelectionRange(topLeft, bottomRight)
sourceSelection.append(sourceRange)
cursor += 1
return sourceSelection
def mapSelectionFromSource(self, sourceSelection):
proxySelection = QItemSelection()
if self.sourceModel() is None:
return proxySelection
cursor = sourceSelection.constBegin()
end = sourceSelection.constEnd()
while cursor != end:
topLeft = self.mapFromSource(cursor.topLeft())
bottomRight = self.mapFromSource(cursor.bottomRight())
proxyRange = QItemSelectionRange(topLeft, bottomRight)
proxySelection.append(proxyRange)
cursor += 1
return proxySelection
def mapSelectionToSource(self, proxySelection):
sourceSelection = QItemSelection()
if self.sourceModel() is None:
return sourceSelection
cursor = proxySelection.constBegin()
end = proxySelection.constEnd()
while cursor != end:
topLeft = self.mapToSource(cursor.topLeft())
bottomRight = self.mapToSource(cursor.bottomRight())
sourceRange = QItemSelectionRange(topLeft, bottomRight)
sourceSelection.append(sourceRange)
cursor += 1
return sourceSelection
def mapSelectionFromSource(self, sourceSelection):
proxySelection = QItemSelection()
if self.sourceModel() is None:
return proxySelection
cursor = sourceSelection.constBegin()
end = sourceSelection.constEnd()
while cursor != end:
topLeft = self.mapFromSource(cursor.topLeft())
bottomRight = self.mapFromSource(cursor.bottomRight())
proxyRange = QItemSelectionRange(topLeft, bottomRight)
proxySelection.append(proxyRange)
cursor += 1
return proxySelection
def select_all_slot(self):
m = self.table_view.model()
all = QItemSelection(m.index(0, 0),
m.index(m.rowCount() - 1,
m.columnCount() - 1))
self.table_view.selectionModel().select(all,
QItemSelectionModel.Select)
def testLen(self):
model = QStandardItemModel(2, 2)
model.insertRow(0)
model.insertRow(1)
model.insertColumn(0)
model.insertColumn(1)
selection = QItemSelection(model.index(0, 0), model.index(1, 1))
self.assertEqual(len(selection), 1)
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)
def refresh(self,slip_id):
filter_string = self.filter_line_edit.text()
self.apply_filter_slot(filter_string)
if slip_id:
ndx = self.search_results_model.find_index( lambda s:s.delivery_slip_id == slip_id)
r = 0
m = self.search_results_model
if ndx:
r = ndx.row()
s = QItemSelection(m.index(r,0), m.index(r, m.columnCount()-1))
self.search_results_view.selectionModel().select(s, QItemSelectionModel.Select)