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[Gui] Issue #3923 - Arbitrary Tree item ordering + tests

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This commit is contained in:
Tomas Pavlicek
2021-10-26 19:09:34 +02:00
parent ea355833fd
commit 345dcd5252
16 changed files with 826 additions and 22 deletions
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30
src/Gui/Document.cpp
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@@ -727,6 +727,9 @@ void Document::slotNewObject(const App::DocumentObject& Obj)
activeView->getViewer()->addViewProvider(pcProvider);
}
// If no tree rank was assigned, do it now, otherwise keep the current one
pcProvider->TreeRank.setValue(pcProvider->TreeRank.getValue());
// adding to the tree
signalNewObject(*pcProvider);
pcProvider->pcDocument = this;
@@ -1429,13 +1432,29 @@ void Document::RestoreDocFile(Base::Reader &reader)
expanded = true;
}
}
int rank = 0;
if (localreader->hasAttribute("rank")) {
rank = localreader->getAttributeAsInteger("rank");
}
ViewProvider* pObj = getViewProviderByName(name.c_str());
if (pObj) // check if this feature has been registered
pObj->Restore(*localreader);
if (pObj && expanded) {
Gui::ViewProviderDocumentObject* vp = static_cast<Gui::ViewProviderDocumentObject*>(pObj);
this->signalExpandObject(*vp, TreeItemMode::ExpandItem,0,0);
ViewProviderDocumentObject *vpdo = dynamic_cast<ViewProviderDocumentObject *>(pObj);
if (vpdo) {
if (rank <= 0 ) {
// For backward compatibility, use object ID as tree rank
rank = vpdo->getObject()->getID();
}
vpdo->TreeRank.setValue(rank);
if (expanded) {
this->signalExpandObject(*vpdo, TreeItemMode::ExpandItem, 0, 0);
}
}
localreader->readEndElement("ViewProvider");
}
localreader->readEndElement("ViewProviderData");
@@ -1555,6 +1574,11 @@ void Document::SaveDocFile (Base::Writer &writer) const
if (obj->hasExtensions())
writer.Stream() << " Extensions=\"True\"";
ViewProviderDocumentObject *vpdo = dynamic_cast<ViewProviderDocumentObject *>(obj);
if (vpdo && vpdo->TreeRank.getValue()) {
writer.Stream() << " rank=\"" << vpdo->TreeRank.getValue() << "\"";
}
writer.Stream() << ">" << std::endl;
obj->Save(writer);
writer.Stream() << writer.ind() << "</ViewProvider>" << std::endl;