C++ (Cpp) DocumentObject::getViewProviderName Examples

Example #1

File: Document.cpp Project: jaywarrick/FreeCAD_sf_master

//*****************************************************************************************************
// Document
//*****************************************************************************************************
void Document::slotNewObject(const App::DocumentObject& Obj)
{
    //Base::Console().Log("Document::slotNewObject() called\n");
    std::string cName = Obj.getViewProviderName();
    if (cName.empty()) {
        // handle document object with no view provider specified
        Base::Console().Log("%s has no view provider specified\n", Obj.getTypeId().getName());
        return;
    }
  
    setModified(true);
    Base::BaseClass* base = static_cast<Base::BaseClass*>(Base::Type::createInstanceByName(cName.c_str(),true));
    if (base) {
        // type not derived from ViewProviderDocumentObject!!!
        assert(base->getTypeId().isDerivedFrom(Gui::ViewProviderDocumentObject::getClassTypeId()));
        ViewProviderDocumentObject *pcProvider = static_cast<ViewProviderDocumentObject*>(base);
        d->_ViewProviderMap[&Obj] = pcProvider;

        try {
            // if succesfully created set the right name and calculate the view
            //FIXME: Consider to change argument of attach() to const pointer
            pcProvider->attach(const_cast<App::DocumentObject*>(&Obj));
            pcProvider->updateView();
            pcProvider->setActiveMode();
        }
        catch(const Base::MemoryException& e){
            Base::Console().Error("Memory exception in '%s' thrown: %s\n",Obj.getNameInDocument(),e.what());
        }
        catch(Base::Exception &e){
            e.ReportException();
        }
#ifndef FC_DEBUG
        catch(...){
            Base::Console().Error("App::Document::_RecomputeFeature(): Unknown exception in Feature \"%s\" thrown\n",Obj.getNameInDocument());
        }
#endif

        std::list<Gui::BaseView*>::iterator vIt;
        // cycling to all views of the document
        for (vIt = d->baseViews.begin();vIt != d->baseViews.end();++vIt) {
            View3DInventor *activeView = dynamic_cast<View3DInventor *>(*vIt);
            if (activeView)
                activeView->getViewer()->addViewProvider(pcProvider);
        }
    
        // adding to the tree
        signalNewObject(*pcProvider);
    }
    else {
        Base::Console().Warning("Gui::Document::slotNewObject() no view provider for the object %s found\n",cName.c_str());
    }
}