Code Coverage for /Users/ericduran/Sites/drupal/drupal/core/lib/Drupal/Core/Form/ConfirmFormHelper.php

1	<?php
2
3	/**
4	* @file
5	* Contains \Drupal\Core\Form\ConfirmFormHelper.
6	*/
7
8	namespace Drupal\Core\Form;
9
10	use Drupal\Component\Utility\UrlHelper;
11	use Drupal\Core\Url;
12	use Symfony\Component\HttpFoundation\Request;
13
14	/**
15	* Provides common functionality to confirmation forms.
16	*/
17	class ConfirmFormHelper {
18
19	/**
20	* Builds the cancel link for a confirmation form.
21	*
22	* @param \Drupal\Core\Form\ConfirmFormInterface $form
23	* The confirmation form.
24	* @param \Symfony\Component\HttpFoundation\Request $request
25	* The current request.
26	*
27	* @return array
28	* The link render array for the cancel form.
29	*/
30	public static function buildCancelLink(ConfirmFormInterface $form, Request $request) {
31	// Prepare cancel link.
32	$query = $request->query;
33	$url = NULL;
34	// If a destination is specified, that serves as the cancel link.
35	if ($query->has('destination')) {
36	$options = UrlHelper::parse($query->get('destination'));
37	// @todo Revisit this in https://www.drupal.org/node/2418219.
38	try {
39	$url = Url::fromUserInput('/' . ltrim($options['path'], '/'), $options);
40	}
41	catch (\InvalidArgumentException $e) {
42	// Suppress the exception and fall back to the form's cancel url.
43	}
44	}
45	// Check for a route-based cancel link.
46	if (!$url) {
47	$url = $form->getCancelUrl();
48	}
49
50	return [
51	'#type' => 'link',
52	'#title' => $form->getCancelText(),
53	'#attributes' => ['class' => ['button']],
54	'#url' => $url,
55	'#cache' => [
56	'contexts' => [
57	'url.query_args:destination',
58	],
59	],
60	];
61	}
62
63	}