listing17.txt

<?php
namespace Application\Listener;

use Zend\EventManager\EventInterface;
use Zend\EventManager\EventManagerInterface;
use Zend\EventManager\ListenerAggregateInterface;
use Zend\Mvc\MvcEvent;
use Zend\View\Model\ViewModel;

class ApplicationListener implements ListenerAggregateInterface
{
    protected $listeners = array();

    public function attach(EventManagerInterface $events)
    {
        $this->listeners[] = $events->attach(MvcEvent::EVENT_RENDER, array($this, 'renderLayoutSegments'), -100);
    }

    public function detach(EventManagerInterface $events)
    {
        foreach ($this->listeners as $index => $listener) {
            if ($events->detach($listener)) {
                unset($this->listeners[$index]);
            }
        }
    }

    public function renderLayoutSegments(EventInterface $e)
    {
        $viewModel = $e->getViewModel(); /* @var $viewModel ViewModel */
        
        $header = new ViewModel();
        $header->setTemplate('layout/header');
        $viewModel->addChild($header, 'header');
        
        $footer = new ViewModel();
        $footer->setTemplate('layout/footer');
        $viewModel->addChild($footer, 'footer');
        
        return $e->getResponse();
    }
}