HYTOS

            path = app_doc_data.getErrorItemSvgPath()

            error = SymbolSvgItem.createItem('Error', None, path)

            error.parent = self.parentItem()

            error.msg = "connection point's position error"

            error.setToolTip(error.msg)

                # check if there is not connected connector

                if connector.connectedItem is None:

                    error = SymbolSvgItem.createItem('Error', None, dataPath)

                    error.parent = self

                    error.msg = _translate('disconnected', 'disconnected')

                    error.setToolTip(error.msg)

                    # check if two items are connected each other

                    if not matches:

                        error = SymbolSvgItem.createItem('Error', None, dataPath)

                        error.parent = self

                        error.msg = _translate('disconnected from opposite side', 'disconnected from opposite side')

                        error.setToolTip(error.msg)

                    # check connection position

                    elif not self.isOverlap(connector.sceneBoundingRect(), matches[0].sceneBoundingRect()):

                        error = SymbolSvgItem.createItem('Error', None, dataPath)

                        error.parent = self

                        error.msg = _translate('mismatched position', 'mismatched position')

                        error.setToolTip(error.msg)

                                1]) == connector.connectedItem.line().p1() else 2

                        else:

                            error = SymbolSvgItem.createItem('Error', None, dataPath)

                            error.parent = self

                            error.msg = _translate('disconnected from opposite side', 'disconnected from opposite side')

                            error.setToolTip(error.msg)

                        if indices[0] == indices[1]:

                            error = SymbolSvgItem.createItem('Error', None, dataPath)

                            error.parent = self

                            error.msg = _translate('flow direction error', 'flow direction error')

                            error.setToolTip(error.msg)

                        if self.lineType != connector.connectedItem.lineType:

                            error = SymbolSvgItem.createItem('Error', None, dataPath)

                            error.parent = self

                            error.msg = _translate('line type error', 'line type error')

                            error.setToolTip(error.msg)

                        if line.distanceTo(center) > toler * 2:

                            error = SymbolSvgItem.createItem('Error', None, dataPath)

                            error.parent = self

                            error.msg = _translate('Line Position error', 'Line Position error')

                            error.setToolTip(error.msg)

                    # check if two items are connected each other

                    if not matches:

                        error = SymbolSvgItem.createItem('Error', None, dataPath)

                        error.parent = self

                        error.msg = self.tr('disconnected from opposite side')

                        error.setToolTip(error.msg)

                        if ((self.conn_type[index] == 'Primary' or self.conn_type[index] == 'Secondary') and not item.is_piping()) or \

                                (not (self.conn_type[index] == 'Primary' or self.conn_type[index] == 'Secondary') and item.is_piping(True)):

                            error = SymbolSvgItem.createItem('Error', None, dataPath)

                            error.parent = self

                            error.msg = self.tr('line type error')

                            error.setToolTip(error.msg)