def __setitem__(self, k, v):
if k in self.backing_store:
old_row = self.row_to_key.index(k)
new_row = self._find_row(k, v)
if old_row == new_row:
self.dataChanged.emit(self.index(old_row, 0),
self.index(old_row, len(self.headers)-1))
else:
self.beginMoveRows(QtCore.QModelIndex(), old_row, old_row,
QtCore.QModelIndex(), new_row)
self.backing_store[k] = v
self.row_to_key[old_row], self.row_to_key[new_row] = \
self.row_to_key[new_row], self.row_to_key[old_row]
if old_row != new_row:
self.endMoveRows()
else:
row = self._find_row(k, v)
self.beginInsertRows(QtCore.QModelIndex(), row, row)
self.backing_store[k] = v
self.row_to_key.insert(row, k)
self.endInsertRows()
def __delitem__(self, k):
row = self.row_to_key.index(k)
self.beginRemoveRows(QtCore.QModelIndex(), row, row)
del self.row_to_key[row]
del self.backing_store[k]
self.endRemoveRows()
def append(self, v):
row = len(self.backing_store)
self.beginInsertRows(QtCore.QModelIndex(), row, row)
self.backing_store.append(v)
self.endInsertRows()
def __delitem__(self, k):
self.beginRemoveRows(QtCore.QModelIndex(), k, k)
del self.backing_store[k]
self.endRemoveRows()