/**
* Outputs the navigation block panel
*
* @param quiz_nav_panel_base $panel instance of quiz_nav_panel_base
*/
public function navigation_panel(quiz_nav_panel_base $panel) {
$output = '';
$userpicture = $panel->user_picture();
if ($userpicture) {
$output .= html_writer::tag('div', $this->render($userpicture),
array('id' => 'user-picture', 'class' => 'clearfix'));
}
$output .= $panel->render_before_button_bits($this);
$output .= html_writer::start_tag('div', array('class' => 'qn_buttons'));
foreach ($panel->get_question_buttons() as $button) {
$output .= $this->render($button);
}
$output .= html_writer::end_tag('div');
$output .= html_writer::tag('div', $panel->render_end_bits($this),
array('class' => 'othernav'));
$this->page->requires->js_init_call('M.mod_quiz.nav.init', null, false,
quiz_get_js_module());
return $output;
}