+LayerActionManager::export_dup_nodes(synfig::Layer::Handle layer, Canvas::Handle canvas, int &index)
+{
+ // automatically export the Index parameter of Duplicate layers when pasting
+ if (layer->get_name() == "duplicate")
+ while (true)
+ {
+ String name = strprintf(_("Index %d"), index++);
+ try
+ {
+ canvas->find_value_node(name);
+ }
+ catch (Exception::IDNotFound x)
+ {
+ get_canvas_interface()->add_value_node(layer->dynamic_param_list().find("index")->second, name);
+ break;
+ }
+ }
+ else
+ {
+ Layer::ParamList param_list(layer->get_param_list());
+ for (Layer::ParamList::const_iterator iter(param_list.begin())
+ ; iter != param_list.end()
+ ; iter++)
+ if (layer->dynamic_param_list().count(iter->first)==0 && iter->second.get_type()==ValueBase::TYPE_CANVAS)
+ {
+ Canvas::Handle subcanvas(iter->second.get(Canvas::Handle()));
+ if (subcanvas && subcanvas->is_inline())
+ for (Context iter = subcanvas->get_context(); iter != subcanvas->end(); iter++)
+ export_dup_nodes(*iter, canvas, index);
+ }
+
+ for (Layer::DynamicParamList::const_iterator iter(layer->dynamic_param_list().begin())
+ ; iter != layer->dynamic_param_list().end()
+ ; iter++)
+ if (iter->second->get_type()==ValueBase::TYPE_CANVAS)
+ {
+ Canvas::Handle canvas((*iter->second)(0).get(Canvas::Handle()));
+ if (canvas->is_inline())
+ //! \todo do we need to implement this? and if so, shouldn't we check all canvases, not just the one at t=0s?
+ warning("%s:%d not yet implemented - do we need to export duplicate valuenodes in dynamic canvas parameters?", __FILE__, __LINE__);
+ }
+ }
+}
+
+void