GalleryItemImageAttachment.php
| 1 | <?php |
| 2 | namespace SureCart\Models; |
| 3 | |
| 4 | use SureCart\Models\GalleryItem as ModelsGalleryItem; |
| 5 | use SureCart\Support\Contracts\GalleryItem; |
| 6 | |
| 7 | /** |
| 8 | * Gallery item model for image attachments |
| 9 | */ |
| 10 | class GalleryItemImageAttachment extends ModelsGalleryItem implements GalleryItem { |
| 11 | /** |
| 12 | * Create a new gallery item. |
| 13 | * |
| 14 | * @param int|\WP_Post $item The item. |
| 15 | * |
| 16 | * @return void |
| 17 | */ |
| 18 | public function __construct( $item ) { |
| 19 | if ( empty( $item ) ) { |
| 20 | return; |
| 21 | } |
| 22 | |
| 23 | if ( $item instanceof \WP_Post ) { |
| 24 | $this->item = $item; |
| 25 | return; |
| 26 | } |
| 27 | |
| 28 | $this->item = get_post( $item['id'] ?? $item ); |
| 29 | } |
| 30 | |
| 31 | /** |
| 32 | * Get the thumbnail attribute markup. |
| 33 | * |
| 34 | * @param string $size The size of the image. |
| 35 | * @param array $attr The attributes for the tag. |
| 36 | * @param array $metadata Additional metadata. |
| 37 | * |
| 38 | * @return string |
| 39 | */ |
| 40 | public function thumbnail( $size = 'full', $attr = [], $metadata = [] ): string { |
| 41 | return $this->html( $size, $attr, $metadata ); |
| 42 | } |
| 43 | |
| 44 | /** |
| 45 | * Get the media attribute markup. |
| 46 | * |
| 47 | * @param string $size The size of the image. |
| 48 | * @param array $attr The attributes for the tag. |
| 49 | * @param array $metadata Additional metadata for the lightbox. |
| 50 | * |
| 51 | * @return string |
| 52 | */ |
| 53 | public function html( $size = 'full', $attr = [], $metadata = [] ): string { |
| 54 | // If the item is not set, return null. |
| 55 | if ( ! isset( $this->item->ID ) ) { |
| 56 | return ''; |
| 57 | } |
| 58 | |
| 59 | // Handle image attachments. |
| 60 | $image = wp_get_attachment_image( $this->item->ID, $size, false, $attr ); |
| 61 | |
| 62 | // add any styles. |
| 63 | $tags = new \WP_HTML_Tag_Processor( $image ); |
| 64 | |
| 65 | // get the image tag. |
| 66 | $has_image = $tags->next_tag( 'img' ); |
| 67 | |
| 68 | // add inline styles. |
| 69 | if ( ! empty( $attr['style'] ) ) { |
| 70 | if ( $has_image && ! empty( $attr['style'] ) ) { |
| 71 | $tags->set_attribute( 'style', $attr['style'] ); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | if ( $this->with_lightbox ) { |
| 76 | $this->with_lightbox = false; // reset to false. |
| 77 | |
| 78 | // get the image data. |
| 79 | $full_data = $this->attributes( 'full' ); |
| 80 | |
| 81 | // set the lightbox state. |
| 82 | wp_interactivity_state( |
| 83 | 'surecart/lightbox', |
| 84 | array( |
| 85 | 'metadata' => array( |
| 86 | // metadata keyed by unique image id. |
| 87 | $this->id => wp_parse_args( |
| 88 | $metadata, |
| 89 | array( |
| 90 | 'uploadedSrc' => $full_data->src ?? '', |
| 91 | 'imgClassNames' => $full_data->class ?? '', |
| 92 | 'targetWidth' => $full_data->width ?? 0, |
| 93 | 'targetHeight' => $full_data->height ?? 0, |
| 94 | 'scaleAttr' => false, // false or 'contain'. |
| 95 | 'alt' => $full_data->alt ?? '', |
| 96 | // translators: %s is the image title. |
| 97 | 'screenReaderText' => sprintf( __( 'Viewing image: %s.', 'surecart' ), $this->post_title ), |
| 98 | 'galleryId' => get_the_ID(), |
| 99 | ), |
| 100 | ), |
| 101 | ), |
| 102 | ) |
| 103 | ); |
| 104 | |
| 105 | $tags->set_attribute( 'data-wp-on--load', 'callbacks.setImageRef' ); |
| 106 | $tags->set_attribute( 'data-wp-init', 'callbacks.setImageRef' ); |
| 107 | $tags->set_attribute( 'data-wp-on--click', 'actions.showLightbox' ); |
| 108 | $tags->set_attribute( 'data-wp-class--sc-hide', 'state.isContentHidden' ); |
| 109 | $tags->set_attribute( 'data-wp-class--sc-show', 'state.isContentVisible' ); |
| 110 | $tags->add_class( 'has-image-lightbox' ); |
| 111 | |
| 112 | // add the lightbox trigger button. |
| 113 | return $tags->get_updated_html() . |
| 114 | '<button |
| 115 | class="lightbox-trigger" |
| 116 | type="button" |
| 117 | aria-haspopup="dialog" |
| 118 | aria-label="' . esc_attr__( 'Expand image', 'surecart' ) . '" |
| 119 | data-wp-init="callbacks.initTriggerButton" |
| 120 | data-wp-on--click="actions.showLightbox" |
| 121 | data-wp-style--right="state.imageButtonRight" |
| 122 | data-wp-style--top="state.imageButtonTop" |
| 123 | > |
| 124 | ' . \SureCart::svg()->get( |
| 125 | 'maximize', |
| 126 | [ |
| 127 | 'width' => 16, |
| 128 | 'height' => 16, |
| 129 | 'aria-hidden' => 'true', |
| 130 | ] |
| 131 | ) . ' |
| 132 | </button>'; |
| 133 | } |
| 134 | |
| 135 | // return updated html. |
| 136 | return $tags->get_updated_html(); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * Get the image data. |
| 141 | * |
| 142 | * @param string $size The size of the image. |
| 143 | * @param array $attr The attributes for the tag. |
| 144 | * |
| 145 | * @return object |
| 146 | */ |
| 147 | public function attributes( $size = 'full', $attr = [] ): object { |
| 148 | // If the item is not set, return null. |
| 149 | if ( ! isset( $this->item->ID ) ) { |
| 150 | return (object) []; |
| 151 | } |
| 152 | |
| 153 | $image = wp_get_attachment_image_src( $this->item->ID, $size, $attr['icon'] ?? false, $attr ); |
| 154 | |
| 155 | if ( ! $image ) { |
| 156 | return (object) []; |
| 157 | } |
| 158 | |
| 159 | list( $src, $width, $height ) = $image; |
| 160 | |
| 161 | $attachment = get_post( $this->item->ID ); |
| 162 | $size_class = $size; |
| 163 | |
| 164 | if ( is_array( $size_class ) ) { |
| 165 | $size_class = implode( 'x', $size_class ); |
| 166 | } |
| 167 | |
| 168 | $default_attr = array( |
| 169 | 'src' => $src, |
| 170 | 'class' => "attachment-$size_class size-$size_class", |
| 171 | 'alt' => trim( wp_strip_all_tags( get_post_meta( $this->item->ID, '_wp_attachment_image_alt', true ) ) ), |
| 172 | 'width' => $width, |
| 173 | 'height' => $height, |
| 174 | ); |
| 175 | |
| 176 | /** |
| 177 | * Filters the context in which wp_get_attachment_image() is used. |
| 178 | * |
| 179 | * @since 6.3.0 |
| 180 | * |
| 181 | * @param string $context The context. Default 'wp_get_attachment_image'. |
| 182 | */ |
| 183 | $context = apply_filters( 'wp_get_attachment_image_context', 'wp_get_attachment_image' ); |
| 184 | $attr = wp_parse_args( $attr, $default_attr ); |
| 185 | |
| 186 | $loading_attr = $attr; |
| 187 | $loading_attr['width'] = $width; |
| 188 | $loading_attr['height'] = $height; |
| 189 | $loading_optimization_attr = wp_get_loading_optimization_attributes( |
| 190 | 'img', |
| 191 | $loading_attr, |
| 192 | $context |
| 193 | ); |
| 194 | |
| 195 | // Add loading optimization attributes if not available. |
| 196 | $attr = array_merge( $attr, $loading_optimization_attr ); |
| 197 | |
| 198 | // Omit the `decoding` attribute if the value is invalid according to the spec. |
| 199 | if ( empty( $attr['decoding'] ) || ! in_array( $attr['decoding'], array( 'async', 'sync', 'auto' ), true ) ) { |
| 200 | unset( $attr['decoding'] ); |
| 201 | } |
| 202 | |
| 203 | /* |
| 204 | * If the default value of `lazy` for the `loading` attribute is overridden |
| 205 | * to omit the attribute for this image, ensure it is not included. |
| 206 | */ |
| 207 | if ( isset( $attr['loading'] ) && ! $attr['loading'] ) { |
| 208 | unset( $attr['loading'] ); |
| 209 | } |
| 210 | |
| 211 | // If the `fetchpriority` attribute is overridden and set to false or an empty string. |
| 212 | if ( isset( $attr['fetchpriority'] ) && ! $attr['fetchpriority'] ) { |
| 213 | unset( $attr['fetchpriority'] ); |
| 214 | } |
| 215 | |
| 216 | // Generate 'srcset' and 'sizes' if not already present. |
| 217 | if ( empty( $attr['srcset'] ) ) { |
| 218 | $image_meta = wp_get_attachment_metadata( $this->item->ID ); |
| 219 | |
| 220 | if ( is_array( $image_meta ) ) { |
| 221 | $size_array = array( absint( $width ), absint( $height ) ); |
| 222 | $srcset = wp_calculate_image_srcset( $size_array, $src, $image_meta, $this->item->ID ); |
| 223 | $sizes = wp_calculate_image_sizes( $size_array, $src, $image_meta, $this->item->ID ); |
| 224 | |
| 225 | if ( $srcset && ( $sizes || ! empty( $attr['sizes'] ) ) ) { |
| 226 | $attr['srcset'] = $srcset; |
| 227 | |
| 228 | if ( empty( $attr['sizes'] ) ) { |
| 229 | $attr['sizes'] = $sizes; |
| 230 | } |
| 231 | } |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Filters the list of attachment image attributes. |
| 237 | * |
| 238 | * @since 2.8.0 |
| 239 | * |
| 240 | * @param string[] $attr Array of attribute values for the image markup, keyed by attribute name. |
| 241 | * See wp_get_attachment_image(). |
| 242 | * @param WP_Post $attachment Image attachment post. |
| 243 | * @param string|int[] $size Requested image size. Can be any registered image size name, or |
| 244 | * an array of width and height values in pixels (in that order). |
| 245 | */ |
| 246 | $attr = apply_filters( 'wp_get_attachment_image_attributes', $attr, $attachment, $size ); |
| 247 | |
| 248 | return (object) $attr; |
| 249 | } |
| 250 | } |
| 251 |