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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 | } |