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| 1 | <?php |
| 2 | declare( strict_types = 1 ); |
| 3 | |
| 4 | /** |
| 5 | * Thumbnail.php |
| 6 | * |
| 7 | * This file is part of the Codex design system, the official design system for Wikimedia projects. |
| 8 | * It contains the definition and implementation of the `Thumbnail` class, responsible for managing |
| 9 | * the behavior and properties of the corresponding component. |
| 10 | * |
| 11 | * @category Component |
| 12 | * @package Codex\Component |
| 13 | * @since 0.1.0 |
| 14 | * @author Doğu Abaris <abaris@null.net> |
| 15 | * @license https://www.gnu.org/copyleft/gpl.html GPL-2.0-or-later |
| 16 | * @link https://doc.wikimedia.org/codex/main/ Codex Documentation |
| 17 | */ |
| 18 | |
| 19 | namespace Wikimedia\Codex\Component; |
| 20 | |
| 21 | use Wikimedia\Codex\Contract\Component; |
| 22 | use Wikimedia\Codex\Renderer\ThumbnailRenderer; |
| 23 | |
| 24 | /** |
| 25 | * Thumbnail |
| 26 | * |
| 27 | * @category Component |
| 28 | * @package Codex\Component |
| 29 | * @since 0.1.0 |
| 30 | * @author Doğu Abaris <abaris@null.net> |
| 31 | * @license https://www.gnu.org/copyleft/gpl.html GPL-2.0-or-later |
| 32 | * @link https://doc.wikimedia.org/codex/main/ Codex Documentation |
| 33 | */ |
| 34 | class Thumbnail extends Component { |
| 35 | private string $id = ''; |
| 36 | |
| 37 | public function __construct( |
| 38 | ThumbnailRenderer $renderer, |
| 39 | private ?string $backgroundImage, |
| 40 | private ?string $placeholderClass, |
| 41 | private array $attributes |
| 42 | ) { |
| 43 | parent::__construct( $renderer ); |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Get the HTML ID for the thumbnail. |
| 48 | * |
| 49 | * This method returns the HTML `id` attribute value for the thumbnail element. |
| 50 | * |
| 51 | * @since 0.1.0 |
| 52 | * @return string The ID for the thumbnail. |
| 53 | */ |
| 54 | public function getId(): string { |
| 55 | return $this->id; |
| 56 | } |
| 57 | |
| 58 | /** |
| 59 | * Get the background image URL for the thumbnail. |
| 60 | * |
| 61 | * This method returns the URL of the background image that will be displayed within the thumbnail. |
| 62 | * The image serves as a visual preview of the content. |
| 63 | * |
| 64 | * @since 0.1.0 |
| 65 | * @return ?string The URL of the background image. |
| 66 | */ |
| 67 | public function getBackgroundImage(): ?string { |
| 68 | return $this->backgroundImage; |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Get the CSS class for the custom placeholder icon. |
| 73 | * |
| 74 | * This method returns the CSS class for the custom placeholder icon that will be displayed if |
| 75 | * the background image is not provided. |
| 76 | * The placeholder gives users a visual indication of where an image will appear. |
| 77 | * |
| 78 | * @since 0.1.0 |
| 79 | * @return ?string The CSS class for the placeholder icon. |
| 80 | */ |
| 81 | public function getPlaceholderClass(): ?string { |
| 82 | return $this->placeholderClass; |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Retrieve additional HTML attributes for the thumbnail element. |
| 87 | * |
| 88 | * This method returns an associative array of custom HTML attributes that will be applied to the outer |
| 89 | * `<span>` element of the thumbnail. These attributes can be used to improve accessibility, enhance styling, |
| 90 | * or integrate with JavaScript functionality. |
| 91 | * |
| 92 | * @since 0.1.0 |
| 93 | * @return array The additional attributes as an array. |
| 94 | */ |
| 95 | public function getAttributes(): array { |
| 96 | return $this->attributes; |
| 97 | } |
| 98 | |
| 99 | /** |
| 100 | * Set the Thumbnail HTML ID attribute. |
| 101 | * |
| 102 | * @deprecated Use setAttributes() to set the ID |
| 103 | * @since 0.1.0 |
| 104 | * @param string $id The ID for the Thumbnail element. |
| 105 | * @return $this |
| 106 | */ |
| 107 | public function setId( string $id ): self { |
| 108 | $this->id = $id; |
| 109 | |
| 110 | return $this; |
| 111 | } |
| 112 | |
| 113 | /** |
| 114 | * Set the background image for the thumbnail. |
| 115 | * |
| 116 | * This method specifies the URL of the background image that will be displayed |
| 117 | * within the thumbnail. The image serves as a visual preview of the content. |
| 118 | * |
| 119 | * Example usage: |
| 120 | * |
| 121 | * $thumbnail->setBackgroundImage('https://example.com/image.jpg'); |
| 122 | * |
| 123 | * @since 0.1.0 |
| 124 | * @param string $backgroundImage The URL of the background image. |
| 125 | * @return $this Returns the Thumbnail instance for method chaining. |
| 126 | */ |
| 127 | public function setBackgroundImage( string $backgroundImage ): self { |
| 128 | $this->backgroundImage = $backgroundImage; |
| 129 | |
| 130 | return $this; |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Set the CSS class for a custom placeholder icon. |
| 135 | * |
| 136 | * This method specifies a custom CSS class for a placeholder icon that will be displayed |
| 137 | * if the background image is not provided. The placeholder gives users a visual indication of where |
| 138 | * an image will appear. |
| 139 | * |
| 140 | * Example usage: |
| 141 | * |
| 142 | * $thumbnail->setPlaceholderClass('custom-placeholder-icon'); |
| 143 | * |
| 144 | * @since 0.1.0 |
| 145 | * @param string $placeholderClass The CSS class for the placeholder icon. |
| 146 | * @return $this Returns the Thumbnail instance for method chaining. |
| 147 | */ |
| 148 | public function setPlaceholderClass( string $placeholderClass ): self { |
| 149 | $this->placeholderClass = $placeholderClass; |
| 150 | |
| 151 | return $this; |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * Set additional HTML attributes for the thumbnail element. |
| 156 | * |
| 157 | * This method allows custom HTML attributes to be added to the outer `<span>` element of the thumbnail, |
| 158 | * such as `id`, `data-*`, `aria-*`, or any other valid attributes. These attributes can be used to |
| 159 | * enhance accessibility or integrate with JavaScript. |
| 160 | * |
| 161 | * Example usage: |
| 162 | * |
| 163 | * $thumbnail->setAttributes([ |
| 164 | * 'id' => 'thumbnail-id', |
| 165 | * 'data-category' => 'images', |
| 166 | * ]); |
| 167 | * |
| 168 | * @since 0.1.0 |
| 169 | * @param array $attributes An associative array of HTML attributes. |
| 170 | * @return $this Returns the Thumbnail instance for method chaining. |
| 171 | */ |
| 172 | public function setAttributes( array $attributes ): self { |
| 173 | foreach ( $attributes as $key => $value ) { |
| 174 | $this->attributes[$key] = $value; |
| 175 | } |
| 176 | return $this; |
| 177 | } |
| 178 | } |