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| 1 | <?php //phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | /** |
| 3 | * Tiled Gallery block. |
| 4 | * Relies on Photon, but can be used even when the module is not active. |
| 5 | * |
| 6 | * @since 6.9.0 |
| 7 | * |
| 8 | * @package automattic/jetpack |
| 9 | */ |
| 10 | |
| 11 | namespace Automattic\Jetpack\Extensions; |
| 12 | |
| 13 | use Automattic\Jetpack\Blocks; |
| 14 | use Automattic\Jetpack\Current_Plan as Jetpack_Plan; |
| 15 | use Automattic\Jetpack\Status; |
| 16 | use Automattic\Jetpack\Status\Host; |
| 17 | use Jetpack; |
| 18 | use Jetpack_Gutenberg; |
| 19 | |
| 20 | if ( ! defined( 'ABSPATH' ) ) { |
| 21 | exit( 0 ); |
| 22 | } |
| 23 | |
| 24 | /** |
| 25 | * Jetpack Tiled Gallery Block class |
| 26 | * |
| 27 | * @since 7.3 |
| 28 | */ |
| 29 | class Tiled_Gallery { |
| 30 | /* Values for building srcsets */ |
| 31 | const IMG_SRCSET_WIDTH_MAX = 2000; |
| 32 | const IMG_SRCSET_WIDTH_MIN = 600; |
| 33 | const IMG_SRCSET_WIDTH_STEP = 300; |
| 34 | |
| 35 | /** |
| 36 | * Register the block |
| 37 | */ |
| 38 | public static function register() { |
| 39 | if ( |
| 40 | ( defined( 'IS_WPCOM' ) && IS_WPCOM ) |
| 41 | || Jetpack::is_connection_ready() |
| 42 | || ( new Status() )->is_offline_mode() |
| 43 | ) { |
| 44 | Blocks::jetpack_register_block( |
| 45 | __DIR__, |
| 46 | array( |
| 47 | 'render_callback' => array( __CLASS__, 'render' ), |
| 48 | 'render_email_callback' => array( __CLASS__, 'render_email' ), |
| 49 | ) |
| 50 | ); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Tiled gallery block registration |
| 56 | * |
| 57 | * @param array $attr Array containing the block attributes. |
| 58 | * @param string $content String containing the block content. |
| 59 | * |
| 60 | * @return string |
| 61 | */ |
| 62 | public static function render( $attr, $content ) { |
| 63 | Jetpack_Gutenberg::load_assets_as_required( __DIR__ ); |
| 64 | |
| 65 | $is_squareish_layout = self::is_squareish_layout( $attr ); |
| 66 | // For backward compatibility (ensuring Tiled Galleries using now deprecated versions of the block are not affected). |
| 67 | // See isVIP() in utils/index.js. |
| 68 | $jetpack_plan = Jetpack_Plan::get(); |
| 69 | wp_localize_script( 'jetpack-gallery-settings', 'jetpack_plan', array( 'data' => $jetpack_plan['product_slug'] ) ); |
| 70 | |
| 71 | if ( preg_match_all( '/<img [^>]+>/', $content, $images ) ) { |
| 72 | /** |
| 73 | * This block processes all of the images that are found and builds $find and $replace. |
| 74 | * |
| 75 | * The original img is added to the $find array and the replacement is made and added |
| 76 | * to the $replace array. This is so that the same find and replace operations can be |
| 77 | * made on the entire $content. |
| 78 | */ |
| 79 | $find = array(); |
| 80 | $replace = array(); |
| 81 | $image_index = 0; |
| 82 | $number_images = count( $images[0] ); |
| 83 | |
| 84 | foreach ( $images[0] as $image_html ) { |
| 85 | if ( |
| 86 | preg_match( '/data-width="([0-9]+)"/', $image_html, $img_width ) |
| 87 | && preg_match( '/data-height="([0-9]+)"/', $image_html, $img_height ) |
| 88 | && preg_match( '/src="([^"]+)"/', $image_html, $img_src ) |
| 89 | ) { |
| 90 | ++$image_index; |
| 91 | // Drop img src query string so it can be used as a base to add photon params |
| 92 | // for the srcset. |
| 93 | $src_parts = explode( '?', $img_src[1], 2 ); |
| 94 | $orig_src = $src_parts[0]; |
| 95 | $orig_height = absint( $img_height[1] ); |
| 96 | $orig_width = absint( $img_width[1] ); |
| 97 | |
| 98 | // Because URLs are already "photon", the photon function used short-circuits |
| 99 | // before ssl is added. Detect ssl and add is if necessary. |
| 100 | $is_ssl = ! empty( $src_parts[1] ) && str_contains( $src_parts[1], 'ssl=1' ); |
| 101 | |
| 102 | if ( ! $orig_width || ! $orig_height || ! $orig_src ) { |
| 103 | continue; |
| 104 | } |
| 105 | |
| 106 | $srcset_parts = array(); |
| 107 | if ( $is_squareish_layout ) { |
| 108 | $min_width = min( self::IMG_SRCSET_WIDTH_MIN, $orig_width, $orig_height ); |
| 109 | $max_width = min( self::IMG_SRCSET_WIDTH_MAX, $orig_width, $orig_height ); |
| 110 | |
| 111 | for ( $w = $min_width; $w <= $max_width; $w = min( $max_width, $w + self::IMG_SRCSET_WIDTH_STEP ) ) { |
| 112 | $srcset_src = add_query_arg( |
| 113 | array( |
| 114 | 'resize' => $w . ',' . $w, |
| 115 | 'strip' => 'info', |
| 116 | ), |
| 117 | $orig_src |
| 118 | ); |
| 119 | if ( $is_ssl ) { |
| 120 | $srcset_src = add_query_arg( 'ssl', '1', $srcset_src ); |
| 121 | } |
| 122 | $srcset_parts[] = esc_url( $srcset_src ) . ' ' . $w . 'w'; |
| 123 | if ( $w >= $max_width ) { |
| 124 | break; |
| 125 | } |
| 126 | } |
| 127 | } else { |
| 128 | $min_width = min( self::IMG_SRCSET_WIDTH_MIN, $orig_width ); |
| 129 | $max_width = min( self::IMG_SRCSET_WIDTH_MAX, $orig_width ); |
| 130 | |
| 131 | for ( $w = $min_width; $w <= $max_width; $w = min( $max_width, $w + self::IMG_SRCSET_WIDTH_STEP ) ) { |
| 132 | $srcset_src = add_query_arg( |
| 133 | array( |
| 134 | 'strip' => 'info', |
| 135 | 'w' => $w, |
| 136 | ), |
| 137 | $orig_src |
| 138 | ); |
| 139 | if ( $is_ssl ) { |
| 140 | $srcset_src = add_query_arg( 'ssl', '1', $srcset_src ); |
| 141 | } |
| 142 | $srcset_parts[] = esc_url( $srcset_src ) . ' ' . $w . 'w'; |
| 143 | if ( $w >= $max_width ) { |
| 144 | break; |
| 145 | } |
| 146 | } |
| 147 | } |
| 148 | |
| 149 | $img_element = self::interactive_markup( $image_index, $number_images ); |
| 150 | |
| 151 | if ( ! empty( $srcset_parts ) ) { |
| 152 | $srcset = 'srcset="' . esc_attr( implode( ',', $srcset_parts ) ) . '"'; |
| 153 | |
| 154 | $find[] = $image_html; |
| 155 | $replace[] = str_replace( '<img', $img_element . $srcset, $image_html ); |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | |
| 160 | if ( ! empty( $find ) ) { |
| 161 | $content = str_replace( $find, $replace, $content ); |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | /** |
| 166 | * Filter the output of the Tiled Galleries content. |
| 167 | * |
| 168 | * @module tiled-gallery |
| 169 | * |
| 170 | * @since 6.9.0 |
| 171 | * |
| 172 | * @param string $content Tiled Gallery block content. |
| 173 | */ |
| 174 | return apply_filters( 'jetpack_tiled_galleries_block_content', $content ); |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * Adds tabindex, role and aria-label markup for images that should be interactive (front-end only). |
| 179 | * |
| 180 | * @param integer $image_index Integer The current image index. |
| 181 | * @param integer $number_images Integer The total number of images. |
| 182 | */ |
| 183 | private static function interactive_markup( $image_index, $number_images ) { |
| 184 | |
| 185 | $host = new Host(); |
| 186 | $is_module_active = $host->is_wpcom_simple() |
| 187 | ? get_option( 'carousel_enable_it' ) |
| 188 | : Jetpack::is_module_active( 'carousel' ); |
| 189 | |
| 190 | if ( $is_module_active ) { |
| 191 | $aria_label_content = sprintf( |
| 192 | /* Translators: %1$d is the current image index, %2$d is the total number of images. */ |
| 193 | __( 'Open image %1$d of %2$d in full-screen', 'jetpack' ), |
| 194 | $image_index, |
| 195 | $number_images |
| 196 | ); |
| 197 | $img_element = '<img role="button" tabindex="0" aria-label="' . esc_attr( $aria_label_content ) . '"'; |
| 198 | } else { |
| 199 | $img_element = '<img '; |
| 200 | } |
| 201 | return $img_element; |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Determines whether a Tiled Gallery block uses square or circle images (1:1 ratio) |
| 206 | * |
| 207 | * Layouts are block styles and will be available as `is-style-[LAYOUT]` in the className |
| 208 | * attribute. The default (rectangular) will be omitted. |
| 209 | * |
| 210 | * @param array $attr Attributes key/value array. |
| 211 | * @return boolean True if layout is squareish, otherwise false. |
| 212 | */ |
| 213 | private static function is_squareish_layout( $attr ) { |
| 214 | return isset( $attr['className'] ) |
| 215 | && ( |
| 216 | 'is-style-square' === $attr['className'] |
| 217 | || 'is-style-circle' === $attr['className'] |
| 218 | ); |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Render tiled gallery block for email. |
| 223 | * |
| 224 | * @since 15.0 |
| 225 | * |
| 226 | * @param string $block_content The original block HTML content. |
| 227 | * @param array $parsed_block The parsed block data including attributes. |
| 228 | * @param object $rendering_context Email rendering context. |
| 229 | * |
| 230 | * @return string |
| 231 | */ |
| 232 | public static function render_email( $block_content, array $parsed_block, $rendering_context ) { |
| 233 | // Validate input parameters and required dependencies |
| 234 | if ( ! isset( $parsed_block['attrs'] ) || ! is_array( $parsed_block['attrs'] ) || |
| 235 | ! class_exists( '\Automattic\WooCommerce\EmailEditor\Integrations\Utils\Styles_Helper' ) || |
| 236 | ! class_exists( '\Automattic\WooCommerce\EmailEditor\Integrations\Utils\Table_Wrapper_Helper' ) ) { |
| 237 | return ''; |
| 238 | } |
| 239 | |
| 240 | // Get spacing from email_attrs for better consistency with core blocks |
| 241 | $email_attrs = $parsed_block['email_attrs'] ?? array(); |
| 242 | $table_margin_style = ''; |
| 243 | |
| 244 | if ( ! empty( $email_attrs ) && class_exists( '\WP_Style_Engine' ) ) { |
| 245 | // Get margin for table styling |
| 246 | $table_margin_style = \WP_Style_Engine::compile_css( array_intersect_key( $email_attrs, array_flip( array( 'margin' ) ) ), '' ) ?? ''; |
| 247 | } |
| 248 | |
| 249 | // Email cell padding |
| 250 | $email_cell_padding = 2; // Cell padding |
| 251 | |
| 252 | $attr = $parsed_block['attrs']; |
| 253 | |
| 254 | // Determine layout style and columns from attributes (needed for both image processing and layout building) |
| 255 | $layout_info = self::get_layout_style_from_attributes( $attr ); |
| 256 | |
| 257 | // Process images for email rendering |
| 258 | $images = self::process_tiled_gallery_images_for_email( $attr, $layout_info ); |
| 259 | |
| 260 | if ( empty( $images ) ) { |
| 261 | return ''; |
| 262 | } |
| 263 | |
| 264 | // Determine target width from the email layout if available |
| 265 | $target_width = self::get_email_target_width( $rendering_context ); |
| 266 | |
| 267 | // Build layout content based on style and columns |
| 268 | $grid_content = self::build_email_layout_content( $images, $layout_info, $email_cell_padding, $attr ); |
| 269 | |
| 270 | // Use Table_Wrapper_Helper for consistent email rendering |
| 271 | $table_style = sprintf( 'width: 100%%; max-width: %dpx; padding: 0; border-collapse: collapse;', $target_width ); |
| 272 | if ( ! empty( $table_margin_style ) ) { |
| 273 | $table_style = $table_margin_style . '; ' . $table_style; |
| 274 | } else { |
| 275 | $table_style = 'margin: 16px 0; ' . $table_style; |
| 276 | } |
| 277 | |
| 278 | $image_table_attrs = array( |
| 279 | 'style' => $table_style, |
| 280 | ); |
| 281 | |
| 282 | $html = \Automattic\WooCommerce\EmailEditor\Integrations\Utils\Table_Wrapper_Helper::render_table_wrapper( $grid_content, $image_table_attrs ); |
| 283 | |
| 284 | return $html; |
| 285 | } |
| 286 | |
| 287 | /** |
| 288 | * Get target width for email rendering. |
| 289 | * |
| 290 | * @param object $rendering_context Email rendering context. |
| 291 | * @return int Target width in pixels. |
| 292 | */ |
| 293 | private static function get_email_target_width( $rendering_context ) { |
| 294 | $target_width = 600; // Default |
| 295 | |
| 296 | if ( ! empty( $rendering_context ) && is_object( $rendering_context ) && method_exists( $rendering_context, 'get_layout_width_without_padding' ) ) { |
| 297 | $layout_width_px = $rendering_context->get_layout_width_without_padding(); |
| 298 | if ( is_string( $layout_width_px ) ) { |
| 299 | $parsed_width = \Automattic\WooCommerce\EmailEditor\Integrations\Utils\Styles_Helper::parse_value( $layout_width_px ); |
| 300 | if ( $parsed_width > 0 ) { |
| 301 | $target_width = $parsed_width; |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | return $target_width; |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * Process tiled gallery images for email rendering. |
| 311 | * |
| 312 | * @param array $attr Block attributes containing image data. |
| 313 | * @param array $layout_info Layout information from get_layout_style_from_attributes. |
| 314 | * @return array Processed image data for email rendering. |
| 315 | */ |
| 316 | private static function process_tiled_gallery_images_for_email( $attr, $layout_info ) { |
| 317 | $images = array(); |
| 318 | |
| 319 | // Determine if this is a squareish layout |
| 320 | $is_squareish = in_array( $layout_info['style'], array( 'square', 'circle' ), true ); |
| 321 | |
| 322 | // Get images from IDs (primary data source) |
| 323 | if ( ! empty( $attr['ids'] ) && is_array( $attr['ids'] ) ) { |
| 324 | foreach ( $attr['ids'] as $id ) { |
| 325 | // Validate ID is a positive integer and attachment exists |
| 326 | $id = absint( $id ); |
| 327 | if ( ! $id || ! wp_attachment_is_image( $id ) ) { |
| 328 | continue; |
| 329 | } |
| 330 | |
| 331 | // For square/circle layouts, get a high-quality square crop |
| 332 | if ( $is_squareish ) { |
| 333 | // Start with full size image for better quality when resizing |
| 334 | $image_url = wp_get_attachment_image_url( $id, 'full' ); |
| 335 | |
| 336 | // If we have Photon/Jetpack image processing, request high-quality square crop |
| 337 | if ( function_exists( 'jetpack_photon_url' ) && $image_url ) { |
| 338 | $image_url = add_query_arg( |
| 339 | array( |
| 340 | 'resize' => '1300,1300', // High-quality square crop for email |
| 341 | 'crop' => '1', |
| 342 | ), |
| 343 | $image_url |
| 344 | ); |
| 345 | } |
| 346 | } else { |
| 347 | $image_url = wp_get_attachment_image_url( $id, 'large' ); |
| 348 | } |
| 349 | |
| 350 | // Sanitize alt text from post meta |
| 351 | $alt_text = get_post_meta( $id, '_wp_attachment_image_alt', true ); |
| 352 | $alt_text = sanitize_text_field( $alt_text ); |
| 353 | |
| 354 | if ( $image_url ) { |
| 355 | $images[] = array( |
| 356 | 'url' => $image_url, |
| 357 | 'alt' => $alt_text, |
| 358 | 'id' => $id, |
| 359 | ); |
| 360 | } |
| 361 | } |
| 362 | } elseif ( ! empty( $attr['images'] ) && is_array( $attr['images'] ) ) { |
| 363 | // Fall back to images array if IDs aren't available |
| 364 | foreach ( $attr['images'] as $image_data ) { |
| 365 | if ( ! empty( $image_data['url'] ) ) { |
| 366 | // Validate and sanitize URL |
| 367 | $url = esc_url_raw( $image_data['url'] ); |
| 368 | if ( ! $url || ! wp_http_validate_url( $url ) ) { |
| 369 | continue; |
| 370 | } |
| 371 | |
| 372 | // Sanitize alt text |
| 373 | $alt_text = ! empty( $image_data['alt'] ) ? sanitize_text_field( $image_data['alt'] ) : ''; |
| 374 | |
| 375 | // Validate ID if present |
| 376 | $id = ! empty( $image_data['id'] ) ? absint( $image_data['id'] ) : 0; |
| 377 | |
| 378 | $images[] = array( |
| 379 | 'url' => $url, |
| 380 | 'alt' => $alt_text, |
| 381 | 'id' => $id, |
| 382 | ); |
| 383 | } |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | return $images; |
| 388 | } |
| 389 | |
| 390 | /** |
| 391 | * Get layout style and columns from block attributes. |
| 392 | * |
| 393 | * @param array $attr Block attributes. |
| 394 | * @return array Array with 'style', 'columns', and 'border_radius' keys. |
| 395 | */ |
| 396 | private static function get_layout_style_from_attributes( $attr ) { |
| 397 | $layout_info = array( |
| 398 | 'style' => 'rectangular', // Default to rectangular/mosaic layout |
| 399 | 'columns' => 3, // Default to 3 columns |
| 400 | 'border_radius' => 0, // Default to no border radius |
| 401 | ); |
| 402 | |
| 403 | // Get number of columns from attributes with validation |
| 404 | if ( ! empty( $attr['columns'] ) && is_numeric( $attr['columns'] ) ) { |
| 405 | $columns = absint( $attr['columns'] ); |
| 406 | // Clamp columns between 1 and 6 for reasonable layouts |
| 407 | $layout_info['columns'] = max( 1, min( 6, $columns ) ); |
| 408 | } |
| 409 | |
| 410 | // Get border radius from roundedCorners attribute (preferred method) |
| 411 | if ( ! empty( $attr['roundedCorners'] ) && is_numeric( $attr['roundedCorners'] ) ) { |
| 412 | $border_radius_value = absint( $attr['roundedCorners'] ); |
| 413 | // Clamp value between 0 and 20 |
| 414 | $layout_info['border_radius'] = max( 0, min( 20, $border_radius_value ) ); |
| 415 | } |
| 416 | |
| 417 | // Get layout style and border radius from className |
| 418 | if ( ! empty( $attr['className'] ) ) { |
| 419 | if ( str_contains( $attr['className'], 'is-style-square' ) ) { |
| 420 | $layout_info['style'] = 'square'; |
| 421 | } elseif ( str_contains( $attr['className'], 'is-style-circle' ) ) { |
| 422 | $layout_info['style'] = 'circle'; |
| 423 | } elseif ( str_contains( $attr['className'], 'is-style-columns' ) ) { |
| 424 | $layout_info['style'] = 'columns'; |
| 425 | } |
| 426 | |
| 427 | // Extract border radius from has-rounded-corners-{value} class (fallback method) |
| 428 | if ( $layout_info['border_radius'] === 0 && preg_match( '/has-rounded-corners-(\d+)/', $attr['className'], $matches ) ) { |
| 429 | $border_radius_value = absint( $matches[1] ); |
| 430 | // Clamp value between 0 and 20 |
| 431 | $layout_info['border_radius'] = max( 0, min( 20, $border_radius_value ) ); |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | return $layout_info; |
| 436 | } |
| 437 | |
| 438 | /** |
| 439 | * Build email layout content based on layout style and columns. |
| 440 | * |
| 441 | * @param array $images Array of image data. |
| 442 | * @param array $layout_info Array with 'style' and 'columns' keys. |
| 443 | * @param int $cell_padding Cell padding. |
| 444 | * @param array $attr Block attributes. |
| 445 | * @return string HTML content. |
| 446 | */ |
| 447 | private static function build_email_layout_content( $images, $layout_info, $cell_padding, $attr ) { |
| 448 | $layout_style = $layout_info['style']; |
| 449 | $columns = $layout_info['columns']; |
| 450 | $border_radius = $layout_info['border_radius']; |
| 451 | |
| 452 | switch ( $layout_style ) { |
| 453 | case 'square': |
| 454 | return self::build_square_layout_content( $images, $cell_padding, $columns, 'square', $border_radius, $attr ); |
| 455 | case 'circle': |
| 456 | return self::build_square_layout_content( $images, $cell_padding, $columns, 'circle', $border_radius, $attr ); |
| 457 | case 'columns': |
| 458 | return self::build_columns_layout_content( $images, $cell_padding, $columns, $border_radius, $attr ); |
| 459 | case 'rectangular': |
| 460 | default: |
| 461 | return self::build_mosaic_layout_content( $images, $cell_padding, $border_radius, $attr ); |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | /** |
| 466 | * Build square/circle layout content. |
| 467 | * |
| 468 | * @param array $images Array of image data. |
| 469 | * @param int $cell_padding Cell padding. |
| 470 | * @param int $columns Number of columns for the layout. |
| 471 | * @param string $style Layout style (square or circle). |
| 472 | * @param int $border_radius Border radius value (0-20). |
| 473 | * @param array $attr Block attributes. |
| 474 | * @return string HTML content. |
| 475 | */ |
| 476 | private static function build_square_layout_content( $images, $cell_padding, $columns, $style = 'square', $border_radius = 0, $attr = array() ) { |
| 477 | $content_parts = array(); |
| 478 | |
| 479 | // Create rows of images with hierarchical chunks for square/circle layouts |
| 480 | $image_chunks = self::create_hierarchical_chunks( $images, $columns ); |
| 481 | |
| 482 | $border_radius_style = self::generate_border_radius_style( $style, $border_radius ); |
| 483 | |
| 484 | foreach ( $image_chunks as $row_images ) { |
| 485 | $images_in_row = count( $row_images ); |
| 486 | $cell_width_percent = ( 100 / $images_in_row ); |
| 487 | |
| 488 | // Build table cells for this row |
| 489 | $row_cells = ''; |
| 490 | foreach ( $row_images as $image ) { |
| 491 | // Calculate cell attributes with consistent padding |
| 492 | $cell_attrs = array( |
| 493 | 'style' => sprintf( |
| 494 | 'width: %s%%; padding: %dpx; vertical-align: top; text-align: center;', |
| 495 | $cell_width_percent, |
| 496 | $cell_padding |
| 497 | ), |
| 498 | ); |
| 499 | |
| 500 | $image_styles = self::generate_image_styles( false ); |
| 501 | |
| 502 | $cell_content = self::generate_image_html( $image, $image_styles, $border_radius_style, $attr ); |
| 503 | |
| 504 | $row_cells .= \Automattic\WooCommerce\EmailEditor\Integrations\Utils\Table_Wrapper_Helper::render_table_cell( |
| 505 | $cell_content, |
| 506 | $cell_attrs |
| 507 | ); |
| 508 | } |
| 509 | |
| 510 | // Use Table_Wrapper_Helper for email-compatible table rendering |
| 511 | $table_attrs = array( |
| 512 | 'style' => 'width: 100%; border-collapse: collapse;', |
| 513 | ); |
| 514 | |
| 515 | $content_parts[] = \Automattic\WooCommerce\EmailEditor\Integrations\Utils\Table_Wrapper_Helper::render_table_wrapper( |
| 516 | $row_cells, |
| 517 | $table_attrs |
| 518 | ); |
| 519 | } |
| 520 | |
| 521 | // Use Table_Wrapper_Helper for consistent email rendering |
| 522 | $wrapper_attrs = array( |
| 523 | 'style' => 'width: 100%; border-collapse: collapse;', |
| 524 | ); |
| 525 | |
| 526 | return \Automattic\WooCommerce\EmailEditor\Integrations\Utils\Table_Wrapper_Helper::render_table_wrapper( |
| 527 | implode( '', $content_parts ), |
| 528 | $wrapper_attrs |
| 529 | ); |
| 530 | } |
| 531 | |
| 532 | /** |
| 533 | * Build columns layout content using mosaic logic organized into columns. |
| 534 | * |
| 535 | * @param array $images Array of image data. |
| 536 | * @param int $cell_padding Cell padding. |
| 537 | * @param int $columns Number of columns for the layout. |
| 538 | * @param int $border_radius Border radius value (0-20). |
| 539 | * @param array $attr Block attributes. |
| 540 | * @return string HTML content. |
| 541 | */ |
| 542 | private static function build_columns_layout_content( $images, $cell_padding, $columns, $border_radius = 0, $attr = array() ) { |
| 543 | $content_parts = array(); |
| 544 | $border_radius_style = self::generate_border_radius_style( '', $border_radius ); |
| 545 | |
| 546 | // Distribute images across columns using round-robin approach for better balance |
| 547 | $column_arrays = array_fill( 0, $columns, array() ); |
| 548 | foreach ( $images as $index => $image ) { |
| 549 | $column_index = $index % $columns; |
| 550 | $column_arrays[ $column_index ][] = $image; |
| 551 | } |
| 552 | |
| 553 | // Build table cells for columns layout |
| 554 | $row_cells = ''; |
| 555 | foreach ( $column_arrays as $column_images ) { |
| 556 | if ( empty( $column_images ) ) { |
| 557 | // Add empty cell for balance |
| 558 | $cell_attrs = array( |
| 559 | 'style' => sprintf( |
| 560 | 'width: %s%%; padding: %dpx; vertical-align: top;', |
| 561 | ( 100 / $columns ), |
| 562 | $cell_padding |
| 563 | ), |
| 564 | ); |
| 565 | $row_cells .= \Automattic\WooCommerce\EmailEditor\Integrations\Utils\Table_Wrapper_Helper::render_table_cell( |
| 566 | '', |
| 567 | $cell_attrs |
| 568 | ); |
| 569 | continue; |
| 570 | } |
| 571 | |
| 572 | // Calculate cell attributes |
| 573 | $cell_width_percent = ( 100 / $columns ); |
| 574 | $cell_attrs = array( |
| 575 | 'style' => sprintf( |
| 576 | 'width: %s%%; padding: %dpx; vertical-align: top;', |
| 577 | $cell_width_percent, |
| 578 | $cell_padding |
| 579 | ), |
| 580 | ); |
| 581 | |
| 582 | // Generate mosaic-style groupings within this column |
| 583 | $column_rows = self::generate_column_mosaic_rows( $column_images ); |
| 584 | |
| 585 | $cell_content = ''; |
| 586 | foreach ( $column_rows as $row_index => $row_images ) { |
| 587 | foreach ( $row_images as $image ) { |
| 588 | $image_styles = self::generate_image_styles( false ); |
| 589 | |
| 590 | // Add top margin to all images except the first one in the column |
| 591 | if ( $row_index > 0 || $cell_content !== '' ) { |
| 592 | $image_styles .= ' margin-top: ' . ( $cell_padding * 2 ) . 'px;'; |
| 593 | } |
| 594 | |
| 595 | $cell_content .= self::generate_image_html( $image, $image_styles, $border_radius_style, $attr ); |
| 596 | } |
| 597 | } |
| 598 | |
| 599 | $row_cells .= \Automattic\WooCommerce\EmailEditor\Integrations\Utils\Table_Wrapper_Helper::render_table_cell( |
| 600 | $cell_content, |
| 601 | $cell_attrs |
| 602 | ); |
| 603 | } |
| 604 | |
| 605 | // Use Table_Wrapper_Helper for email-compatible table rendering |
| 606 | $table_attrs = array( |
| 607 | 'style' => 'width: 100%; border-collapse: collapse;', |
| 608 | ); |
| 609 | |
| 610 | $content_parts[] = \Automattic\WooCommerce\EmailEditor\Integrations\Utils\Table_Wrapper_Helper::render_table_wrapper( |
| 611 | $row_cells, |
| 612 | $table_attrs |
| 613 | ); |
| 614 | |
| 615 | // Use Table_Wrapper_Helper for consistent email rendering |
| 616 | $wrapper_attrs = array( |
| 617 | 'style' => 'width: 100%; border-collapse: collapse;', |
| 618 | ); |
| 619 | |
| 620 | return \Automattic\WooCommerce\EmailEditor\Integrations\Utils\Table_Wrapper_Helper::render_table_wrapper( |
| 621 | implode( '', $content_parts ), |
| 622 | $wrapper_attrs |
| 623 | ); |
| 624 | } |
| 625 | |
| 626 | /** |
| 627 | * Build mosaic layout content with flexible row/column structure. |
| 628 | * |
| 629 | * @param array $images Array of image data. |
| 630 | * @param int $cell_padding Cell padding. |
| 631 | * @param int $border_radius Border radius value (0-20). |
| 632 | * @param array $attr Block attributes. |
| 633 | * @return string HTML content. |
| 634 | */ |
| 635 | private static function build_mosaic_layout_content( $images, $cell_padding, $border_radius = 0, $attr = array() ) { |
| 636 | $border_radius_style = self::generate_border_radius_style( '', $border_radius ); |
| 637 | |
| 638 | // Generate mosaic layout rows |
| 639 | $rows = self::generate_mosaic_rows( $images ); |
| 640 | |
| 641 | // Determine the maximum number of columns to ensure consistent layout |
| 642 | $max_columns = 0; |
| 643 | foreach ( $rows as $row ) { |
| 644 | $max_columns = max( $max_columns, count( $row ) ); |
| 645 | } |
| 646 | |
| 647 | // Build each row as a separate table to match flexbox behavior |
| 648 | $content_parts = array(); |
| 649 | foreach ( $rows as $row ) { |
| 650 | $images_in_row = count( $row ); |
| 651 | |
| 652 | // Calculate width for each cell in this row (like flexbox) |
| 653 | $cell_width_percent = ( 100 / $images_in_row ); |
| 654 | |
| 655 | // Build table cells for this row |
| 656 | $row_cells = ''; |
| 657 | foreach ( $row as $image ) { |
| 658 | $cell_style = sprintf( |
| 659 | 'width: %s%%; padding: %dpx; vertical-align: top; text-align: center;', |
| 660 | $cell_width_percent, |
| 661 | $cell_padding |
| 662 | ); |
| 663 | |
| 664 | // Set consistent height for all images in this row to ensure alignment |
| 665 | // Use progressive enhancement: object-fit for supported clients, natural layout for others |
| 666 | $image_styles = self::generate_image_styles( true ); |
| 667 | |
| 668 | $cell_content = self::generate_image_html( $image, $image_styles, $border_radius_style, $attr ); |
| 669 | |
| 670 | $row_cells .= sprintf( |
| 671 | '<td style="%s">%s</td>', |
| 672 | esc_attr( $cell_style ), |
| 673 | $cell_content |
| 674 | ); |
| 675 | } |
| 676 | |
| 677 | // Create a separate table for each row with flexible height for alignment |
| 678 | $row_table = sprintf( |
| 679 | '<table role="presentation" style="width: 100%%; border-collapse: collapse; table-layout: fixed;"><tr>%s</tr></table>', |
| 680 | $row_cells |
| 681 | ); |
| 682 | |
| 683 | $content_parts[] = $row_table; |
| 684 | } |
| 685 | |
| 686 | // Use Table_Wrapper_Helper for the main container |
| 687 | $table_attrs = array( |
| 688 | 'style' => 'width: 100%; border-collapse: collapse;', |
| 689 | ); |
| 690 | |
| 691 | return \Automattic\WooCommerce\EmailEditor\Integrations\Utils\Table_Wrapper_Helper::render_table_wrapper( |
| 692 | implode( '', $content_parts ), |
| 693 | $table_attrs |
| 694 | ); |
| 695 | } |
| 696 | |
| 697 | /** |
| 698 | * Generate mosaic layout rows based on image count. |
| 699 | * |
| 700 | * @param array $images Array of image data. |
| 701 | * @return array Array of rows, each containing images. |
| 702 | */ |
| 703 | private static function generate_mosaic_rows( $images ) { |
| 704 | $rows = array(); |
| 705 | $image_count = count( $images ); |
| 706 | |
| 707 | // More sophisticated mosaic algorithm based on image count |
| 708 | if ( $image_count <= 3 ) { |
| 709 | // For 3 or fewer images, use simple layout |
| 710 | $rows[] = $images; |
| 711 | } else { |
| 712 | // For more images, create varied row patterns |
| 713 | $patterns = array( |
| 714 | 4 => array( 2, 2 ), // 4 images: 2 + 2 |
| 715 | 5 => array( 2, 3 ), // 5 images: 2 + 3 |
| 716 | 6 => array( 3, 3 ), // 6 images: 3 + 3 |
| 717 | 7 => array( 3, 2, 2 ), // 7 images: 3 + 2 + 2 |
| 718 | 8 => array( 3, 3, 2 ), // 8 images: 3 + 3 + 2 |
| 719 | 9 => array( 3, 3, 3 ), // 9 images: 3 + 3 + 3 |
| 720 | ); |
| 721 | |
| 722 | if ( isset( $patterns[ $image_count ] ) ) { |
| 723 | // Use predefined pattern for 4-9 images |
| 724 | $pattern = $patterns[ $image_count ]; |
| 725 | $image_index = 0; |
| 726 | |
| 727 | foreach ( $pattern as $images_in_row ) { |
| 728 | $row = array(); |
| 729 | for ( $i = 0; $i < $images_in_row; $i++ ) { |
| 730 | $row[] = $images[ $image_index ]; |
| 731 | ++$image_index; |
| 732 | } |
| 733 | $rows[] = $row; |
| 734 | } |
| 735 | } else { |
| 736 | // For 10+ images, create rows of 3 with remainder handling |
| 737 | $full_rows = intval( $image_count / 3 ); |
| 738 | $remainder = $image_count % 3; |
| 739 | |
| 740 | $image_index = 0; |
| 741 | |
| 742 | // Create full rows of 3 |
| 743 | for ( $row = 0; $row < $full_rows; $row++ ) { |
| 744 | $rows[] = array( |
| 745 | $images[ $image_index ], |
| 746 | $images[ $image_index + 1 ], |
| 747 | $images[ $image_index + 2 ], |
| 748 | ); |
| 749 | $image_index += 3; |
| 750 | } |
| 751 | |
| 752 | // Handle remainder |
| 753 | if ( $remainder > 0 ) { |
| 754 | $remaining = array_slice( $images, $image_index ); |
| 755 | $rows[] = $remaining; |
| 756 | } |
| 757 | } |
| 758 | } |
| 759 | |
| 760 | return $rows; |
| 761 | } |
| 762 | |
| 763 | /** |
| 764 | * Generate mosaic-style rows within a single column for columns layout. |
| 765 | * |
| 766 | * @param array $images Array of image data for this column. |
| 767 | * @return array Array of rows, each containing 1-2 images for variety. |
| 768 | */ |
| 769 | private static function generate_column_mosaic_rows( $images ) { |
| 770 | $rows = array(); |
| 771 | $image_count = count( $images ); |
| 772 | |
| 773 | if ( $image_count <= 2 ) { |
| 774 | // For 2 or fewer images, each gets its own row |
| 775 | foreach ( $images as $image ) { |
| 776 | $rows[] = array( $image ); |
| 777 | } |
| 778 | } else { |
| 779 | // Create varied patterns: mix of single and paired images |
| 780 | $image_index = 0; |
| 781 | |
| 782 | while ( $image_index < $image_count ) { |
| 783 | $remaining = $image_count - $image_index; |
| 784 | |
| 785 | if ( $remaining === 1 ) { |
| 786 | // Last image - single row |
| 787 | $rows[] = array( $images[ $image_index ] ); |
| 788 | ++$image_index; |
| 789 | } elseif ( $remaining === 3 ) { |
| 790 | // 3 remaining - do 1 + 2 for better balance |
| 791 | $rows[] = array( $images[ $image_index ] ); |
| 792 | ++$image_index; |
| 793 | $rows[] = array( $images[ $image_index ], $images[ $image_index + 1 ] ); |
| 794 | $image_index += 2; |
| 795 | } else { |
| 796 | // 2 or more remaining - alternate between single and pairs |
| 797 | $use_pair = ( count( $rows ) % 2 === 1 ); // Alternate pattern |
| 798 | |
| 799 | if ( $use_pair && $remaining >= 2 ) { |
| 800 | // Create a pair |
| 801 | $rows[] = array( $images[ $image_index ], $images[ $image_index + 1 ] ); |
| 802 | $image_index += 2; |
| 803 | } else { |
| 804 | // Single image |
| 805 | $rows[] = array( $images[ $image_index ] ); |
| 806 | ++$image_index; |
| 807 | } |
| 808 | } |
| 809 | } |
| 810 | } |
| 811 | |
| 812 | return $rows; |
| 813 | } |
| 814 | |
| 815 | /** |
| 816 | * Generate border radius style based on layout style and border radius value. |
| 817 | * |
| 818 | * @param string $style Layout style (square, circle, etc.). |
| 819 | * @param int $border_radius Border radius value. |
| 820 | * @return string CSS border-radius style. |
| 821 | */ |
| 822 | private static function generate_border_radius_style( $style, $border_radius ) { |
| 823 | if ( 'circle' === $style ) { |
| 824 | return 'border-radius:50%;'; |
| 825 | } elseif ( $border_radius > 0 ) { |
| 826 | return 'border-radius:' . $border_radius . 'px;'; |
| 827 | } |
| 828 | return ''; |
| 829 | } |
| 830 | |
| 831 | /** |
| 832 | * Generate image styles for email rendering. |
| 833 | * |
| 834 | * @param bool $use_fixed_height Whether to use fixed height with object-fit. |
| 835 | * @return string CSS style string. |
| 836 | */ |
| 837 | private static function generate_image_styles( $use_fixed_height = false ) { |
| 838 | $base_styles = 'margin: 0; width: 100%; max-width: 100%; display: block;'; |
| 839 | |
| 840 | if ( $use_fixed_height ) { |
| 841 | return $base_styles . ' height: 200px; object-fit: cover; object-position: center;'; |
| 842 | } |
| 843 | |
| 844 | return $base_styles . ' height: auto;'; |
| 845 | } |
| 846 | |
| 847 | /** |
| 848 | * Generate image HTML with consistent styling. |
| 849 | * |
| 850 | * @param array $image Image data array. |
| 851 | * @param string $additional_styles Additional CSS styles. |
| 852 | * @param string $border_radius_style Border radius CSS. |
| 853 | * @param array $attr Block attributes (optional, for link processing). |
| 854 | * @return string Image HTML. |
| 855 | */ |
| 856 | private static function generate_image_html( $image, $additional_styles = '', $border_radius_style = '', $attr = array() ) { |
| 857 | $base_styles = 'border:none;background-color:#0000001a;display:block;height:auto;max-width:100%;padding:0;'; |
| 858 | $combined_styles = $base_styles . $additional_styles . $border_radius_style; |
| 859 | |
| 860 | $img_html = sprintf( |
| 861 | '<img alt="%s" src="%s" style="%s" />', |
| 862 | esc_attr( $image['alt'] ), |
| 863 | esc_url( $image['url'] ), |
| 864 | $combined_styles |
| 865 | ); |
| 866 | |
| 867 | // Handle link settings for email |
| 868 | $link_to = ! empty( $attr['linkTo'] ) ? $attr['linkTo'] : 'none'; |
| 869 | $href = self::get_image_link_href( $image, $attr, $link_to ); |
| 870 | |
| 871 | if ( ! empty( $href ) ) { |
| 872 | return sprintf( '<a href="%s">%s</a>', esc_url( $href ), $img_html ); |
| 873 | } |
| 874 | |
| 875 | return $img_html; |
| 876 | } |
| 877 | |
| 878 | /** |
| 879 | * Get the href for an image based on link settings (used for email rendering). |
| 880 | * Excludes custom links which email clients will replace with the image. |
| 881 | * |
| 882 | * @since 15.0 |
| 883 | * |
| 884 | * @param array $image Image data array. |
| 885 | * @param array $attr Block attributes. |
| 886 | * @param string $link_to Link setting. |
| 887 | * @return string The href URL or empty string. |
| 888 | */ |
| 889 | private static function get_image_link_href( $image, $attr, $link_to ) { |
| 890 | switch ( $link_to ) { |
| 891 | case 'media': |
| 892 | return ! empty( $image['url'] ) ? $image['url'] : ''; |
| 893 | |
| 894 | case 'attachment': |
| 895 | // For email, we need to generate the attachment page URL from the image ID |
| 896 | if ( ! empty( $image['id'] ) ) { |
| 897 | $attachment_url = get_permalink( $image['id'] ); |
| 898 | return $attachment_url ? $attachment_url : ''; |
| 899 | } |
| 900 | return ''; |
| 901 | default: |
| 902 | return ''; |
| 903 | } |
| 904 | } |
| 905 | |
| 906 | /** |
| 907 | * Create hierarchical chunks for square/circle layouts with larger items first. |
| 908 | * |
| 909 | * @param array $images Array of image data. |
| 910 | * @param int $columns Number of columns for the layout. |
| 911 | * @return array Array of rows with different sized chunks. |
| 912 | */ |
| 913 | private static function create_hierarchical_chunks( $images, $columns ) { |
| 914 | $image_count = count( $images ); |
| 915 | $chunks = array(); |
| 916 | |
| 917 | if ( $image_count <= $columns ) { |
| 918 | // For column count or fewer, single row |
| 919 | $chunks[] = $images; |
| 920 | } else { |
| 921 | // Calculate remainder when dividing by columns |
| 922 | $remainder = $image_count % $columns; |
| 923 | $start_index = 0; |
| 924 | |
| 925 | // Handle all remainder cases to create proper hierarchy |
| 926 | if ( $remainder > 0 ) { |
| 927 | // Create a row with the remainder images (larger items first) |
| 928 | $chunks[] = array_slice( $images, 0, $remainder ); |
| 929 | $start_index = $remainder; |
| 930 | } |
| 931 | // If remainder === 0, start_index stays 0 |
| 932 | |
| 933 | // Rest in groups of $columns |
| 934 | $remaining = array_slice( $images, $start_index ); |
| 935 | $remaining_chunks = array_chunk( $remaining, $columns ); |
| 936 | $chunks = array_merge( $chunks, $remaining_chunks ); |
| 937 | } |
| 938 | |
| 939 | return $chunks; |
| 940 | } |
| 941 | } |
| 942 | |
| 943 | add_action( 'init', array( Tiled_Gallery::class, 'register' ) ); |