[TASK] Move ViewHelper arguments to initializeArguments() in ext:install
[Packages/TYPO3.CMS.git] / typo3 / sysext / install / Classes / ViewHelpers / File / ImageDimensionViewHelper.php
1 <?php
2 namespace TYPO3\CMS\Install\ViewHelpers\File;
3
4 /*
5 * This file is part of the TYPO3 CMS project.
6 *
7 * It is free software; you can redistribute it and/or modify it under
8 * the terms of the GNU General Public License, either version 2
9 * of the License, or any later version.
10 *
11 * For the full copyright and license information, please read the
12 * LICENSE.txt file that was distributed with this source code.
13 *
14 * The TYPO3 project - inspiring people to share!
15 */
16
17 use TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper;
18 use TYPO3Fluid\Fluid\Core\Rendering\RenderingContextInterface;
19
20 /**
21 * Get width or height from image file
22 *
23 * = Examples =
24 *
25 * <code title="Defaults">
26 * <f:file.imageDimension>/var/www/typo3/instance/typo3temp/foo.jpg</f:file.size>
27 * </code>
28 * <output>
29 * 170
30 * </output>
31 *
32 * @internal
33 */
34 class ImageDimensionViewHelper extends AbstractViewHelper
35 {
36 /**
37 * Output is escaped already. We must not escape children, to avoid double encoding.
38 *
39 * @var bool
40 */
41 protected $escapeChildren = false;
42
43 /**
44 * Initialize arguments
45 */
46 public function initializeArguments()
47 {
48 parent::initializeArguments();
49 $this->registerArgument('dimension', 'string', '', false, 'width');
50 }
51
52 /**
53 * Get width / height from image file
54 *
55 * @throws \TYPO3\CMS\Install\ViewHelpers\Exception
56 * @return int width or height
57 */
58 public function render()
59 {
60 return static::renderStatic(
61 $this->arguments,
62 $this->buildRenderChildrenClosure(),
63 $this->renderingContext
64 );
65 }
66
67 /**
68 * @param array $arguments
69 * @param \Closure $renderChildrenClosure
70 * @param RenderingContextInterface $renderingContext
71 * @throws \TYPO3\CMS\Install\ViewHelpers\Exception
72 *
73 * @return string
74 */
75 public static function renderStatic(array $arguments, \Closure $renderChildrenClosure, RenderingContextInterface $renderingContext)
76 {
77 $dimension = $arguments['dimension'];
78 if ($dimension !== 'width' && $dimension !== 'height') {
79 throw new \TYPO3\CMS\Install\ViewHelpers\Exception(
80 'Dimension must be either \'width\' or \'height\'',
81 1369563247
82 );
83 }
84 $absolutePathToFile = $renderChildrenClosure();
85 if (!is_file($absolutePathToFile)) {
86 throw new \TYPO3\CMS\Install\ViewHelpers\Exception(
87 'File not found',
88 1369563248
89 );
90 }
91 $actualDimension = getimagesize($absolutePathToFile);
92 if ($dimension === 'width') {
93 $size = $actualDimension[0];
94 } else {
95 $size = $actualDimension[1];
96 }
97 return $size;
98 }
99 }