Fieldmanager_Field::activate_submenu_page PHP Method

    public function activate_submenu_page()
    {
        $this->require_base();
        $submenus = _fieldmanager_registry('submenus');
        $s = $submenus[$this->name];
        $active_submenu = new Fieldmanager_Context_Submenu($s[0], $s[1], $s[2], $s[3], $s[4], $this, True);
        _fieldmanager_registry('active_submenu', $active_submenu);
    }