def flags(self, index=QtCore.QModelIndex()):
column = self.Columns(index.column())
if column in [self.Columns.X, self.Columns.Y]:
if self.is_point_complete(self._points[index.row()]):
return QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled
return QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsEditable
if column == self.Columns.IMAGE:
return QtCore.Qt.ItemIsSelectable | QtCore.Qt.ItemIsEnabled
def append_point(self, point=(None, None, 1.0), image=None, noflush=False):
self.beginInsertRows(QtCore.QModelIndex(), len(self._points),
len(self._points))
self._points.append(list(point))
self._images.append(image)
self.endInsertRows()
if self.is_point_complete(point) and not noflush:
self.flush_file()
def columnCount(self, parent=QtCore.QModelIndex()):
# noinspection PyTypeChecker
return len(self.Columns)
def rowCount(self, parent=QtCore.QModelIndex()):
return len(self._points)
def parent(self, index):
return QtCore.QModelIndex()
def index(self, row, column, parent=QtCore.QModelIndex()):
return self.createIndex(row, column)
def remove_point(self, index):
self.beginRemoveRows(QtCore.QModelIndex(), index, index)
self._points.pop(index)
self._images.pop(index)
self.endRemoveRows()
self.flush_file()