src/Navigation/Navigation.php
public function setMenuAttributes($type, ItemInterface $menu)
    {
        if (isset($this->getBag()->get('config')->nav->attributes->{$type})) {
            $attributes = (array) $this->getBag()
                ->get('config')
                ->nav
                ->attributes
                ->{$type}
            ;
            switch ($type) {
                case 'root': // set attribs on top ul
                    $menu->setChildrenAttributes($attributes);
                    break;
                case 'parent': // set attribs on sub uls
                    $menu->setChildrenAttributes($attributes);
                    break;
                case 'child': // set attribs on li
                    $menu->setAttributes($attributes);
                    break;
                case 'link': // set attribs on a tags
                    $menu->setLinkAttributes($attributes);
                    break;
                case 'label': // set attribs on span tags
                    $menu->setLabelAttributes($attributes);
                    break;
                default:
                    break;
            }
        }
    }
public function setMenuAttributes($type, ItemInterface $menu)
    {
        if (isset($this->getBag()->get('config')->nav->attributes->{$type})) {
            $attributes = (array) $this->getBag()
                ->get('config')
                ->nav
                ->attributes
                ->{$type}
            ;
            switch ($type) {
                case 'root': // set attribs on top ul
                    $menu->setChildrenAttributes($attributes);
                    break;
                case 'parent': // set attribs on sub uls
                    $menu->setChildrenAttributes($attributes);
                    break;
                case 'child': // set attribs on li
                    $menu->setAttributes($attributes);
                    break;
                case 'link': // set attribs on a tags
                    $menu->setLinkAttributes($attributes);
                    break;
                case 'label': // set attribs on span tags
                    $menu->setLabelAttributes($attributes);
                    break;
                default:
                    break;
            }
        }
    }
public function setMenuAttributes ( $ type , ItemInterface $ menu ) { if ( isset ( $ this -> getBag ( ) -> get ( 'config' ) -> nav -> attributes -> { $ type } ) ) { $ attributes = ( array ) $ this -> getBag ( ) -> get ( 'config' ) -> nav -> attributes -> { $ type } ; switch ( $ type ) { case 'root' : // set attribs on top ul $ menu -> setChildrenAttributes ( $ attributes ) ; break ; case 'parent' : // set attribs on sub uls $ menu -> setChildrenAttributes ( $ attributes ) ; break ; case 'child' : // set attribs on li $ menu -> setAttributes ( $ attributes ) ; break ; case 'link' : // set attribs on a tags $ menu -> setLinkAttributes ( $ attributes ) ; break ; case 'label' : // set attribs on span tags $ menu -> setLabelAttributes ( $ attributes ) ; break ; default : break ; } } }
Responsible for adding attributes to menu item groups

@param string        $type see switch for details
@param ItemInterface $menu
Responsible for adding attributes to menu item groups