<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Mvc;
use Zend\EventManager\EventManagerInterface;
use Zend\EventManager\ListenerAggregateInterface;
class ModuleRouteListener implements ListenerAggregateInterface
{
const MODULE_NAMESPACE = '__NAMESPACE__';
const ORIGINAL_CONTROLLER = '__CONTROLLER__';
/**
* @var \Zend\Stdlib\CallbackHandler[]
*/
protected $listeners = array();
/**
* Attach to an event manager
*
* @param EventManagerInterface $events
* @param int $priority
*/
public function attach(EventManagerInterface $events, $priority = 1)
{
$this->listeners[] = $events->attach(MvcEvent::EVENT_ROUTE, array($this, 'onRoute'), $priority);
}
/**
* Detach all our listeners from the event manager
*
* @param EventManagerInterface $events
* @return void
*/
public function detach(EventManagerInterface $events)
{
foreach ($this->listeners as $index => $listener) {
if ($events->detach($listener)) {
unset($this->listeners[$index]);
}
}
}
/**
* Listen to the "route" event and determine if the module namespace should
* be prepended to the controller name.
*
* If the route match contains a parameter key matching the MODULE_NAMESPACE
* constant, that value will be prepended, with a namespace separator, to
* the matched controller parameter.
*
* @param MvcEvent $e
* @return null
*/
public function onRoute(MvcEvent $e)
{
$matches = $e->getRouteMatch();
if (!$matches instanceof Router\RouteMatch) {
// Can't do anything without a route match
return;
}
$module = $matches->getParam(self::MODULE_NAMESPACE, false);
if (!$module) {
// No module namespace found; nothing to do
return;
}
$controller = $matches->getParam('controller', false);
if (!$controller) {
// no controller matched, nothing to do
return;
}
// Ensure the module namespace has not already been applied
if (0 === strpos($controller, $module)) {
return;
}
// Keep the originally matched controller name around
$matches->setParam(self::ORIGINAL_CONTROLLER, $controller);
// Prepend the controllername with the module, and replace it in the
// matches
$controller = $module . '\\' . str_replace(' ', '', ucwords(str_replace('-', ' ', $controller)));
$matches->setParam('controller', $controller);
}
}