bool
Layer::connect_dynamic_param(const String& param, etl::loose_handle<ValueNode> value_node)
{
if (!value_node) return disconnect_dynamic_param(param);
ValueNode::Handle previous;
DynamicParamList::iterator i = dynamic_param_list_.find(param);
if (i != dynamic_param_list_.end()) previous = i->second;
if (previous == value_node)
return true;
String param_noref = param;
dynamic_param_list_[param]=ValueNode::Handle(value_node);
if (previous)
{
// fix 2353284: if two parameters in the same layer are
// connected to the same valuenode and we disconnect one of
// them, the parent-child relationship for the remaining
// connection was being deleted. now we search the parameter
// list to see if another parameter uses the same valuenode
DynamicParamList::const_iterator iter;
for (iter = dynamic_param_list().begin(); iter != dynamic_param_list().end(); iter++)
if (iter->second == previous)
break;
if (iter == dynamic_param_list().end())
remove_child(previous.get());
}
add_child(value_node.get());
if(!value_node->is_exported() && get_canvas())
value_node->set_parent_canvas(get_canvas());
dynamic_param_changed(param);
changed();
return true;
}
bool
Layer::connect_dynamic_param(const String& param, etl::loose_handle<ValueNode> value_node)
{
ValueNode::Handle previous(dynamic_param_list_[param]);
if(previous==value_node)
return true;
dynamic_param_list_[param]=ValueNode::Handle(value_node);
if(previous)
remove_child(previous.get());
add_child(value_node.get());
if(!value_node->is_exported() && get_canvas())
{
value_node->set_parent_canvas(get_canvas());
}
changed();
return true;
}