def moveSelectionUp(self, selectionmodel):
#assert selectionmodel.model() is self.model
selection = selectionmodel.selection()
selectionmap = self._selectionmap(selection)
newselection = QtCore.QItemSelection()
for parent, ranges in selectionmap.items():
for selectionrange in ranges:
dst = selectionrange.top() - 1
newrange = self._moveSelectionRange(selectionrange, dst)
newselection.append(newrange)
selectionmodel.select(newselection, SelectCurrentRows)
def moveSelectionToTop(self, selectionmodel):
#assert selectionmodel.model() is self.model
selection = selectionmodel.selection()
selectionmap = self._selectionmap(selection)
newselection = QtCore.QItemSelection()
for parent, ranges in selectionmap.items():
dst = 0
for selectionrange in ranges:
newrange = self._moveSelectionRange(selectionrange, dst)
newselection.append(newrange)
dst = newrange.bottom() + 1
selectionmodel.select(newselection, SelectCurrentRows)
def moveSelectionToBottom(self, selectionmodel):
#assert selectionmodel.model() is self.model
selection = selectionmodel.selection()
selectionmap = self._selectionmap(selection)
newselection = QtCore.QItemSelection()
nrows = selectionmodel.model().rowCount()
for parent, ranges in selectionmap.items():
ranges.reverse()
dst = nrows
for selectionrange in ranges:
dst -= selectionrange.height()
newrange = self._moveSelectionRange(selectionrange, dst)
newselection.append(newrange)
selectionmodel.select(newselection, SelectCurrentRows)
def selectAllItems(itemview):
'''Select all items in an QAbstractItemView.'''
model = itemview.model()
topleft = model.index(0, 0)
try:
bottomright = model.index(model.rowCount() - 1,
model.columnCount() - 1)
except (TypeError, AttributeError):
# columnCount is a private method in QAbstractListModel
# assume it is a list
bottomright = model.index(model.rowCount() - 1)
selection = QtCore.QItemSelection(topleft, bottomright)
itemview.selectionModel().select(selection,
QtCore.QItemSelectionModel.Select)
