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1 | <?php |
2 | |
3 | /** |
4 | * Image link view helper (extended for VuFind's theme system) |
5 | * |
6 | * PHP version 8 |
7 | * |
8 | * Copyright (C) Villanova University 2010. |
9 | * |
10 | * This program is free software; you can redistribute it and/or modify |
11 | * it under the terms of the GNU General Public License version 2, |
12 | * as published by the Free Software Foundation. |
13 | * |
14 | * This program is distributed in the hope that it will be useful, |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
17 | * GNU General Public License for more details. |
18 | * |
19 | * You should have received a copy of the GNU General Public License |
20 | * along with this program; if not, write to the Free Software |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
22 | * |
23 | * @category VuFind |
24 | * @package View_Helpers |
25 | * @author Demian Katz <demian.katz@villanova.edu> |
26 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
27 | * @link https://vufind.org Main Page |
28 | */ |
29 | |
30 | namespace VuFindTheme\View\Helper; |
31 | |
32 | /** |
33 | * Image link view helper (extended for VuFind's theme system) |
34 | * |
35 | * @category VuFind |
36 | * @package View_Helpers |
37 | * @author Demian Katz <demian.katz@villanova.edu> |
38 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
39 | * @link https://vufind.org Main Page |
40 | */ |
41 | class ImageLink extends \Laminas\View\Helper\AbstractHelper |
42 | { |
43 | use RelativePathTrait; |
44 | |
45 | /** |
46 | * Theme information service |
47 | * |
48 | * @var \VuFindTheme\ThemeInfo |
49 | */ |
50 | protected $themeInfo; |
51 | |
52 | /** |
53 | * Constructor |
54 | * |
55 | * @param \VuFindTheme\ThemeInfo $themeInfo Theme information service |
56 | */ |
57 | public function __construct(\VuFindTheme\ThemeInfo $themeInfo) |
58 | { |
59 | $this->themeInfo = $themeInfo; |
60 | } |
61 | |
62 | /** |
63 | * Returns an image path according the configured theme |
64 | * |
65 | * @param string $image image name/path |
66 | * |
67 | * @return string path, null if image not found |
68 | */ |
69 | public function __invoke($image) |
70 | { |
71 | // If this is an absolute path, return it as-is: |
72 | if (!$this->isRelativePath($image)) { |
73 | return $image; |
74 | } |
75 | // Otherwise, normalize href to account for themes: |
76 | $relPath = 'images/' . $image; |
77 | $details = $this->themeInfo->findContainingTheme( |
78 | $relPath, |
79 | \VuFindTheme\ThemeInfo::RETURN_ALL_DETAILS |
80 | ); |
81 | |
82 | if (null === $details) { |
83 | return null; |
84 | } |
85 | |
86 | $urlHelper = $this->getView()->plugin('url'); |
87 | $parts = explode('/', $relPath); |
88 | $encodedRelPath = implode('/', array_map('rawurlencode', $parts)); |
89 | $url = $urlHelper('home') . "themes/{$details['theme']}/" . $encodedRelPath; |
90 | $url .= strstr($url, '?') ? '&_=' : '?_='; |
91 | $url .= filemtime($details['path']); |
92 | |
93 | return $url; |
94 | } |
95 | } |