Hi, I'm working on the restructuring the node hierarchy, and after changing the Node class, I found the following problem: in the file itemdocumentdata.cpp, lines 1066 and 1067, the method ItemDocumentData::mergeWithDocument tries to create a new connector, with some start and end node. The problem is that the Node class doesn't have such interface, because it's not known if the node is an electronic or a flow node. (addInputConnector and addOutputConnector) The "healty" solution would be to inherit two classes from ItemDocumentData: one for electronic stuff, and one for flowparts. The problem is that this implies a lot of work to do. The other, more hacky thing that can be done is to create the needed interface as virtual methods in class Node, and for electronic node just call the proper interface (so calling addInputConnector == addOutputConnector == addConnector, for an ECNode ). This is more easier, but all these functions should be removed when the ItemDocumentClass is cleaned up. What is your opinion?
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