Function collapse

example/2_features.js:348–356

()

}

function collapse() {
    var selected_id = get_selected_nodeid();
    if (!selected_id) {
        prompt_info('please select a node first.');
        return;
    }

    _jm.collapse_node(selected_id);
}

function toggle() {
    var selected_id = get_selected_nodeid();