HYTOS

        self.itemTreeWidget.sceneChanged(self.graphicsView.scene().items())

    def dbUpdate(self):

        """db update when save or recognition"""

        try:

            items = self.graphicsView.scene().items()

            # for check line disappear bug

            disappear_lines = [line for line in app_doc_data.lines if line not in items]

            for item in items:

                if issubclass(type(item), QEngineeringAbstractItem):

                    app_doc_data.allItems.append(item)

                    if issubclass(type(item), QEngineeringTextItem):

                        app_doc_data.texts.append(item)

            # for check line disappear bug

            if disappear_lines:

                app_doc_data.allItems.extend(disappear_lines)

                for dis_line in disappear_lines:

                    self.addMessage.emit(MessageType.Check, f"disapper line from scene : {str(dis_line)}")

            itemTypes = []

            for item in items:

                typeExist = False

                        break

                if not typeExist:

                    itemTypes.append(type(item))

            self._save_work_cmd.show_progress.connect(self.progress_bar.setValue)

            self._save_work_cmd.display_message.connect(self.onAddMessage)

            self._save_work_cmd.finished.connect(self.save_finished)

            for drawing, tree_item in checked_drawings.items():

                drawing.datetime = _now

                tree_item.setText(1, _now)

            self.changeViewCheckedState(True)

            # up to here

        except Exception as ex:

                if item is not None:

                    item.transfer.onRemoved.connect(self.itemRemoved)

                    symbols.append(item)

                    item.addSvgItemToScene(self.graphicsView.scene())

                else:

                    pt = [float(x) for x in symbol.find('LOCATION').text.split(',')]