Method insertChildView

valdi/src/valdi/snap_drawing/SnapDrawingViewTransaction.cpp:63–84

    setValdiViewNodeToLayer(*layer, viewNode);
}

void SnapDrawingViewTransaction::insertChildView(const Ref<View>& view,
                                                 const Ref<View>& childView,
                                                 int index,
                                                 const Ref<Animator>& animator) {
    auto parent = toLayer(view);
    auto child = toLayer(childView);
    if (parent == nullptr || child == nullptr) {
        return;
    }

    auto* childInsertionLayerProvider = dynamic_cast<IChildInsertionLayerProvider*>(parent.get());
    if (childInsertionLayerProvider != nullptr) {
        childInsertionLayerProvider->getChildInsertionLayer().insertChild(child, static_cast<size_t>(index));
        auto scrollView = Valdi::castOrNull<ScrollLayer>(parent);
        if (scrollView != nullptr) {
            auto viewNode = snap::drawing::valdiViewNodeFromLayer(*scrollView);
            if (viewNode != nullptr) {
                scrollView->setHorizontal(viewNode->isHorizontal());
            }
        }
    } else {
        parent->insertChild(child, static_cast<size_t>(index));
    }
}