C++ (Cpp) ViewProvider::update Examples

Example #1

File: Document.cpp Project: RipCurrent/FreeCAD_sf_master

void Document::slotChangedObject(const App::DocumentObject& Obj, const App::Property& Prop)
{
    //Base::Console().Log("Document::slotChangedObject() called\n");
    ViewProvider* viewProvider = getViewProvider(&Obj);
    if (viewProvider) {
        try {
            viewProvider->update(&Prop);
        }
        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();
        }
        catch(const std::exception& e){
            Base::Console().Error("C++ exception in '%s' thrown: %s\n",Obj.getNameInDocument(),e.what());
        }
        catch (...) {
            Base::Console().Error("Cannot update representation for '%s'.\n", Obj.getNameInDocument());
        }

        // check for children 
        if(viewProvider->getChildRoot()) {
            std::vector<App::DocumentObject*> children = viewProvider->claimChildren3D();
            SoGroup* childGroup =  viewProvider->getChildRoot();

            // size not the same -> build up the list new
            if(childGroup->getNumChildren() != children.size()){

                childGroup->removeAllChildren();
            
                for(std::vector<App::DocumentObject*>::iterator it=children.begin();it!=children.end();++it){
                    ViewProvider* ChildViewProvider = getViewProvider(*it);
                    if(ChildViewProvider) {
                        SoSeparator* childRootNode =  ChildViewProvider->getRoot();
                        childGroup->addChild(childRootNode);

                        // cycling to all views of the document to remove the viewprovider from the viewer itself
                        for (std::list<Gui::BaseView*>::iterator vIt = d->baseViews.begin();vIt != d->baseViews.end();++vIt) {
                            View3DInventor *activeView = dynamic_cast<View3DInventor *>(*vIt);
                            if (activeView && viewProvider) {
                                if (d->_pcInEdit == ChildViewProvider)
                                    resetEdit();
                                activeView->getViewer()->removeViewProvider(ChildViewProvider);
                            }
                        }
                    }
                }
            }
        }

        if (viewProvider->isDerivedFrom(ViewProviderDocumentObject::getClassTypeId()))
            signalChangedObject(static_cast<ViewProviderDocumentObject&>(*viewProvider), Prop);
    }

    // a property of an object has changed
    setModified(true);
}

Example #2

File: Document.cpp Project: clementCAM/FreeCAD

void Document::slotChangedObject(const App::DocumentObject& Obj, const App::Property& Prop)
{
    //Base::Console().Log("Document::slotChangedObject() called\n");
    ViewProvider* viewProvider = getViewProvider(&Obj);
    if (viewProvider) {
        try {
            viewProvider->update(&Prop);
        } 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();
        } catch (...) {
            Base::Console().Error("Cannot update representation for '%s'.\n", Obj.getNameInDocument());
        }

        if (viewProvider->isDerivedFrom(ViewProviderDocumentObject::getClassTypeId()))
            signalChangedObject(static_cast<ViewProviderDocumentObject&>(*viewProvider), Prop);
    }

    // a property of an object has changed
    setModified(true);
}