Need some help about tdf#130681 (Charts disappear when saving docx as odt)

[julien2412]

Hello,

I'm giving a try to tdf#130681 (Charts disappear when saving docx as odt)
and it seems we got a problem with embedding objects management.
The test file of this bugtracker contains 4 graphs and when opening it, I
see there are 16 calls to EmbeddedObjectContainer::AddEmbeddedObject
(see
https://opengrok.libreoffice.org/xref/core/comphelper/source/container/embeddedobjectcontainer.cxx?r=242e1c42#404)

In fact for each graph, this method is called 4 times:
1) comphelper::EmbeddedObjectContainer::CreateEmbeddedObject via
SvxOle2Shape::createObject

2) comphelper::EmbeddedObjectContainer::InsertEmbeddedObject via
SwXFrame::attachToRange

3) EmbeddedObjectContainer::InsertEmbeddedObject this time via
SwOLEObj::SetNode <- SwOLENode::SwOLENode <- SwNodes::MakeOLENode <-
sw::DocumentContentOperationsManager::InsertEmbObject <-
SwXFrame::attachToRange
(the same as 2) )

4) EmbeddedObjectContainer::InsertEmbeddedObject this time via
comphelper::EmbeddedObjectContainer::RemoveEmbeddedObject

I don't know the embedded object management, so why not for the 3 first but
the last one seems to break the object numbering, see
https://bugs.documentfoundation.org/show_bug.cgi?id=130681#c14
To be sure, I disabled part of 4) see
https://bugs.documentfoundation.org/show_bug.cgi?id=130681#c15)

Any thoughts here?

Julien



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