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RoutableFragmentRenderer.php
01 <?php
02
03 /*
04 * This file is part of the Symfony package.
05 *
06 * (c) Fabien Potencier <fabien@symfony.com>
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Symfony\Component\HttpKernel\Fragment;
13
14 use Symfony\Component\HttpKernel\Controller\ControllerReference;
15 use Symfony\Component\HttpFoundation\Request;
16 use Symfony\Component\HttpKernel\EventListener\FragmentListener;
17
18 /**
19 * Adds the possibility to generate a fragment URI for a given Controller.
20 *
21 * @author Fabien Potencier <fabien@symfony.com>
22 */
23 abstract class RoutableFragmentRenderer implements FragmentRendererInterface
24 {
25 private $fragmentPath = '/_fragment';
26
27 /**
28 * Sets the fragment path that triggers the fragment listener.
29 *
30 * @param string $path The path
31 *
32 * @see FragmentListener
33 */
34 public function setFragmentPath($path)
35 {
36 $this->fragmentPath = $path;
37 }
38
39 /**
40 * Generates a fragment URI for a given controller.
41 *
42 * @param ControllerReference $reference A ControllerReference instance
43 * @param Request $request A Request instance
44 * @param bool $absolute Whether to generate an absolute URL or not
45 *
46 * @return string A fragment URI
47 */
48 protected function generateFragmentUri(ControllerReference $reference, Request $request, $absolute = false)
49 {
50 // We need to forward the current _format and _locale values as we don't have
51 // a proper routing pattern to do the job for us.
52 // This makes things inconsistent if you switch from rendering a controller
53 // to rendering a route if the route pattern does not contain the special
54 // _format and _locale placeholders.
55 if (!isset($reference->attributes['_format'])) {
56 $reference->attributes['_format'] = $request->getRequestFormat();
57 }
58 if (!isset($reference->attributes['_locale'])) {
59 $reference->attributes['_locale'] = $request->getLocale();
60 }
61
62 $reference->attributes['_controller'] = $reference->controller;
63
64 $reference->query['_path'] = http_build_query($reference->attributes, '', '&');
65
66 $path = $this->fragmentPath.'?'.http_build_query($reference->query, '', '&');
67
68 if ($absolute) {
69 return $request->getUriForPath($path);
70 }
71
72 return $request->getBaseUrl().$path;
73 }
74 }
75