| 1 |
<?php |
| 2 |
/** |
| 3 |
* Button Block. |
| 4 |
* |
| 5 |
* @since 8.5.0 |
| 6 |
* |
| 7 |
* @package automattic/jetpack |
| 8 |
*/ |
| 9 |
|
| 10 |
namespace Automattic\Jetpack\Extensions\Button; |
| 11 |
|
| 12 |
use Automattic\Jetpack\Blocks; |
| 13 |
use Jetpack_Gutenberg; |
| 14 |
|
| 15 |
if ( ! defined( 'ABSPATH' ) ) { |
| 16 |
exit( 0 ); |
| 17 |
} |
| 18 |
|
| 19 |
const FEATURE_NAME = 'button'; |
| 20 |
const BLOCK_NAME = 'jetpack/' . FEATURE_NAME; |
| 21 |
|
| 22 |
/** |
| 23 |
* Registers the block for use in Gutenberg |
| 24 |
* This is done via an action so that we can disable |
| 25 |
* registration if we need to. |
| 26 |
*/ |
| 27 |
function register_block() { |
| 28 |
Blocks::jetpack_register_block( |
| 29 |
BLOCK_NAME, |
| 30 |
array( |
| 31 |
'render_callback' => __NAMESPACE__ . '\render_block', |
| 32 |
'render_email_callback' => __NAMESPACE__ . '\render_email', |
| 33 |
'uses_context' => array( 'jetpack/parentBlockWidth' ), |
| 34 |
'selectors' => array( |
| 35 |
'border' => '.wp-block-jetpack-button .wp-block-button__link', |
| 36 |
), |
| 37 |
) |
| 38 |
); |
| 39 |
} |
| 40 |
add_action( 'init', __NAMESPACE__ . '\register_block' ); |
| 41 |
|
| 42 |
/** |
| 43 |
* Button block render callback. |
| 44 |
* |
| 45 |
* @param array $attributes Array containing the Button block attributes. |
| 46 |
* @param string $content The Button block content. |
| 47 |
* |
| 48 |
* @return string |
| 49 |
*/ |
| 50 |
function render_block( $attributes, $content ) { |
| 51 |
$save_in_post_content = get_attribute( $attributes, 'saveInPostContent' ); |
| 52 |
|
| 53 |
// The Jetpack Button block depends on the core button block styles. |
| 54 |
// The following ensures that those styles are enqueued when rendering this block. |
| 55 |
enqueue_existing_button_style_dependency( 'core/button' ); |
| 56 |
enqueue_existing_button_style_dependency( 'core/buttons' ); |
| 57 |
|
| 58 |
Jetpack_Gutenberg::load_styles_as_required( FEATURE_NAME ); |
| 59 |
|
| 60 |
if ( $save_in_post_content || ! class_exists( 'DOMDocument' ) ) { |
| 61 |
return $content; |
| 62 |
} |
| 63 |
|
| 64 |
$element = get_attribute( $attributes, 'element' ); |
| 65 |
$text = wp_kses_post( get_attribute( $attributes, 'text' ) ); |
| 66 |
$unique_id = get_attribute( $attributes, 'uniqueId' ); |
| 67 |
$url = get_attribute( $attributes, 'url' ); |
| 68 |
$classes = Blocks::classes( FEATURE_NAME, $attributes, array( 'wp-block-button' ) ); |
| 69 |
|
| 70 |
$button_classes = get_button_classes( $attributes ); |
| 71 |
$button_styles = get_button_styles( $attributes ); |
| 72 |
$wrapper_styles = get_button_wrapper_styles( $attributes ); |
| 73 |
|
| 74 |
$wrapper_attributes = sprintf( ' class="%s" style="%s"', esc_attr( $classes ), esc_attr( $wrapper_styles ) ); |
| 75 |
$button_attributes = sprintf( ' class="%s" style="%s"', esc_attr( $button_classes ), esc_attr( $button_styles ) ); |
| 76 |
|
| 77 |
if ( empty( $unique_id ) ) { |
| 78 |
$button_attributes .= ' data-id-attr="placeholder"'; |
| 79 |
} else { |
| 80 |
$button_attributes .= sprintf( ' data-id-attr="%1$s" id="%1$s"', esc_attr( $unique_id ) ); |
| 81 |
} |
| 82 |
|
| 83 |
if ( ! in_array( $element, array( 'a', 'button', 'input' ), true ) ) { |
| 84 |
$element = 'a'; |
| 85 |
} |
| 86 |
|
| 87 |
if ( 'a' === $element ) { |
| 88 |
$button_attributes .= sprintf( ' href="%s" target="_blank" role="button" rel="noopener noreferrer"', esc_url( $url ) ); |
| 89 |
} elseif ( 'button' === $element ) { |
| 90 |
$button_attributes .= ' type="submit"'; |
| 91 |
} elseif ( 'input' === $element ) { |
| 92 |
$button_attributes .= sprintf( ' type="submit" value="%s"', esc_attr( wp_strip_all_tags( $text, true ) ) ); |
| 93 |
} |
| 94 |
|
| 95 |
$button_attributes .= ' data-wp-class--is-submitting="state.isSubmitting" data-wp-bind--aria-disabled="state.isAriaDisabled"'; |
| 96 |
|
| 97 |
$svg = '<svg width="24" height="24" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M12,1A11,11,0,1,0,23,12,11,11,0,0,0,12,1Zm0,19a8,8,0,1,1,8-8A8,8,0,0,1,12,20Z" opacity=".25"/><path d="M10.14,1.16a11,11,0,0,0-9,8.92A1.59,1.59,0,0,0,2.46,12,1.52,1.52,0,0,0,4.11,10.7a8,8,0,0,1,6.66-6.61A1.42,1.42,0,0,0,12,2.69h0A1.57,1.57,0,0,0,10.14,1.16Z"><animateTransform attributeName="transform" type="rotate" dur="0.75s" values="0 12 12;360 12 12" repeatCount="indefinite"/></path></svg>'; |
| 98 |
$form_submitting_text = '<span class="is-visually-hidden">' . __( 'Submitting form', 'jetpack' ) . '</span>'; |
| 99 |
$spinner = '<span class="spinner" aria-hidden="true">' . $svg . $form_submitting_text . '</span>'; |
| 100 |
|
| 101 |
$button = 'input' === $element |
| 102 |
? '<' . $element . $button_attributes . ' />' |
| 103 |
: '<' . $element . $button_attributes . '>' . $text . $spinner . '</' . $element . '>'; |
| 104 |
|
| 105 |
return '<div' . $wrapper_attributes . '>' . $button . '</div>'; |
| 106 |
} |
| 107 |
|
| 108 |
/** |
| 109 |
* WooCommerce Email Editor render callback for the button block. |
| 110 |
* |
| 111 |
* @param string $block_content The block content. |
| 112 |
* @param array $parsed_block The parsed block data. |
| 113 |
* @param object $rendering_context The email rendering context. |
| 114 |
* |
| 115 |
* @return string |
| 116 |
*/ |
| 117 |
function render_email( $block_content, array $parsed_block, $rendering_context ) { |
| 118 |
// Validate input parameters and required dependencies |
| 119 |
if ( ! isset( $parsed_block['attrs'] ) || ! is_array( $parsed_block['attrs'] ) || |
| 120 |
! class_exists( '\Automattic\WooCommerce\EmailEditor\Integrations\Core\Renderer\Blocks\Button' ) ) { |
| 121 |
return ''; |
| 122 |
} |
| 123 |
|
| 124 |
$attributes = $parsed_block['attrs']; |
| 125 |
|
| 126 |
// Create a mock innerHTML that WooCommerce's button renderer can parse |
| 127 |
$button_text = ! empty( $attributes['text'] ) ? sanitize_text_field( $attributes['text'] ) : __( 'Click here', 'jetpack' ); |
| 128 |
$button_url = ! empty( $attributes['url'] ) ? $attributes['url'] : '#'; |
| 129 |
|
| 130 |
// Create the innerHTML that WooCommerce's button renderer expects |
| 131 |
$inner_html = sprintf( |
| 132 |
'<div class="wp-block-button"><a class="wp-block-button__link" href="%s">%s</a></div>', |
| 133 |
esc_url( $button_url ), |
| 134 |
esc_html( $button_text ) |
| 135 |
); |
| 136 |
|
| 137 |
// Format attributes for WooCommerce's Styles_Helper |
| 138 |
$formatted_attributes = format_attributes_for_woocommerce( $attributes ); |
| 139 |
|
| 140 |
// Create a mock parsed block that WooCommerce's button renderer can handle |
| 141 |
$mock_parsed_block = array( |
| 142 |
'innerHTML' => $inner_html, |
| 143 |
'attrs' => $formatted_attributes, |
| 144 |
); |
| 145 |
|
| 146 |
// Use WooCommerce's core button renderer |
| 147 |
$woo_button_renderer = new \Automattic\WooCommerce\EmailEditor\Integrations\Core\Renderer\Blocks\Button(); |
| 148 |
|
| 149 |
return $woo_button_renderer->render( $block_content, $mock_parsed_block, $rendering_context ); |
| 150 |
} |
| 151 |
|
| 152 |
/** |
| 153 |
* Format button attributes for WooCommerce's Styles_Helper. |
| 154 |
* |
| 155 |
* @param array $attributes The original attributes. |
| 156 |
* @return array The formatted attributes. |
| 157 |
*/ |
| 158 |
function format_attributes_for_woocommerce( $attributes ) { |
| 159 |
$formatted = array(); |
| 160 |
|
| 161 |
// Handle background colors (prioritize subscription attributes) |
| 162 |
// Named colors go in backgroundColor, hex colors go in style.color.background |
| 163 |
if ( ! empty( $attributes['buttonBackgroundColor'] ) ) { |
| 164 |
$formatted['backgroundColor'] = $attributes['buttonBackgroundColor']; |
| 165 |
} elseif ( ! empty( $attributes['backgroundColor'] ) ) { |
| 166 |
$formatted['backgroundColor'] = $attributes['backgroundColor']; |
| 167 |
} |
| 168 |
|
| 169 |
if ( ! empty( $attributes['customButtonBackgroundColor'] ) ) { |
| 170 |
$formatted['style']['color']['background'] = $attributes['customButtonBackgroundColor']; |
| 171 |
} elseif ( ! empty( $attributes['customBackgroundColor'] ) ) { |
| 172 |
$formatted['style']['color']['background'] = $attributes['customBackgroundColor']; |
| 173 |
} |
| 174 |
|
| 175 |
// Named colors go in textColor, hex colors go in style.color.text |
| 176 |
if ( ! empty( $attributes['textColor'] ) ) { |
| 177 |
$formatted['textColor'] = $attributes['textColor']; |
| 178 |
} |
| 179 |
if ( ! empty( $attributes['customTextColor'] ) ) { |
| 180 |
$formatted['style']['color']['text'] = $attributes['customTextColor']; |
| 181 |
} |
| 182 |
|
| 183 |
// Handle typography (font size) |
| 184 |
if ( ! empty( $attributes['fontSize'] ) ) { |
| 185 |
$formatted['style']['typography']['fontSize'] = $attributes['fontSize']; |
| 186 |
} |
| 187 |
if ( ! empty( $attributes['customFontSize'] ) ) { |
| 188 |
$formatted['style']['typography']['fontSize'] = $attributes['customFontSize']; |
| 189 |
} |
| 190 |
|
| 191 |
// Handle borders |
| 192 |
if ( ! empty( $attributes['borderRadius'] ) ) { |
| 193 |
$formatted['style']['border']['radius'] = $attributes['borderRadius'] . 'px'; |
| 194 |
} |
| 195 |
// Named colors go in borderColor, hex colors go in style.color.border |
| 196 |
if ( ! empty( $attributes['borderColor'] ) ) { |
| 197 |
$formatted['borderColor'] = $attributes['borderColor']; |
| 198 |
} |
| 199 |
if ( ! empty( $attributes['customBorderColor'] ) ) { |
| 200 |
$formatted['style']['border']['color'] = $attributes['customBorderColor']; |
| 201 |
} |
| 202 |
// Handle border weight (subscription block uses borderWeight, button block expects style.border.width) |
| 203 |
if ( ! empty( $attributes['borderWeight'] ) ) { |
| 204 |
$formatted['style']['border']['width'] = $attributes['borderWeight'] . 'px'; |
| 205 |
} |
| 206 |
|
| 207 |
// Handle padding |
| 208 |
if ( ! empty( $attributes['padding'] ) ) { |
| 209 |
$formatted['style']['spacing']['padding'] = $attributes['padding'] . 'px'; |
| 210 |
} |
| 211 |
|
| 212 |
return $formatted; |
| 213 |
} |
| 214 |
|
| 215 |
/** |
| 216 |
* Get the Button block classes. |
| 217 |
* |
| 218 |
* @param array $attributes Array containing the block attributes. |
| 219 |
* |
| 220 |
* @return string |
| 221 |
*/ |
| 222 |
function get_button_classes( $attributes ) { |
| 223 |
$classes = array( 'wp-block-button__link' ); |
| 224 |
$has_class_name = array_key_exists( 'className', $attributes ); |
| 225 |
$has_named_text_color = array_key_exists( 'textColor', $attributes ); |
| 226 |
$has_custom_text_color = array_key_exists( 'customTextColor', $attributes ); |
| 227 |
$has_named_background_color = array_key_exists( 'backgroundColor', $attributes ); |
| 228 |
$has_custom_background_color = array_key_exists( 'customBackgroundColor', $attributes ); |
| 229 |
$has_named_gradient = array_key_exists( 'gradient', $attributes ); |
| 230 |
$has_custom_gradient = array_key_exists( 'customGradient', $attributes ); |
| 231 |
$has_border_radius = array_key_exists( 'borderRadius', $attributes ); |
| 232 |
$has_font_size = array_key_exists( 'fontSize', $attributes ); |
| 233 |
$has_named_border_color = array_key_exists( 'borderColor', $attributes ); |
| 234 |
|
| 235 |
if ( $has_font_size ) { |
| 236 |
$classes[] = 'has-' . $attributes['fontSize'] . '-font-size'; |
| 237 |
$classes[] = 'has-custom-font-size'; |
| 238 |
} |
| 239 |
|
| 240 |
if ( $has_class_name ) { |
| 241 |
$classes[] = $attributes['className']; |
| 242 |
} |
| 243 |
|
| 244 |
if ( $has_named_text_color || $has_custom_text_color ) { |
| 245 |
$classes[] = 'has-text-color'; |
| 246 |
} |
| 247 |
if ( $has_named_text_color ) { |
| 248 |
$classes[] = sprintf( 'has-%s-color', $attributes['textColor'] ); |
| 249 |
} |
| 250 |
|
| 251 |
if ( $has_named_border_color ) { |
| 252 |
$classes[] = sprintf( 'has-%s-border-color', $attributes['borderColor'] ); |
| 253 |
} |
| 254 |
|
| 255 |
if ( |
| 256 |
$has_named_background_color || |
| 257 |
$has_custom_background_color || |
| 258 |
$has_named_gradient || |
| 259 |
$has_custom_gradient |
| 260 |
) { |
| 261 |
$classes[] = 'has-background'; |
| 262 |
} |
| 263 |
if ( $has_named_background_color && ! $has_custom_gradient ) { |
| 264 |
$classes[] = sprintf( 'has-%s-background-color', $attributes['backgroundColor'] ); |
| 265 |
} |
| 266 |
if ( $has_named_gradient ) { |
| 267 |
$classes[] = sprintf( 'has-%s-gradient-background', $attributes['gradient'] ); |
| 268 |
} |
| 269 |
|
| 270 |
// phpcs:ignore Universal.Operators.StrictComparisons.LooseEqual |
| 271 |
if ( $has_border_radius && 0 == $attributes['borderRadius'] ) { |
| 272 |
$classes[] = 'no-border-radius'; |
| 273 |
} |
| 274 |
|
| 275 |
return implode( ' ', $classes ); |
| 276 |
} |
| 277 |
|
| 278 |
/** |
| 279 |
* Get the Button block styles. |
| 280 |
* |
| 281 |
* @param array $attributes Array containing the block attributes. |
| 282 |
* |
| 283 |
* @return string |
| 284 |
*/ |
| 285 |
function get_button_styles( $attributes ) { |
| 286 |
$styles = array(); |
| 287 |
$has_named_text_color = array_key_exists( 'textColor', $attributes ); |
| 288 |
$has_custom_text_color = array_key_exists( 'customTextColor', $attributes ); |
| 289 |
$has_named_background_color = array_key_exists( 'backgroundColor', $attributes ); |
| 290 |
$has_custom_background_color = array_key_exists( 'customBackgroundColor', $attributes ); |
| 291 |
$has_named_gradient = array_key_exists( 'gradient', $attributes ); |
| 292 |
$has_custom_gradient = array_key_exists( 'customGradient', $attributes ); |
| 293 |
$has_border_radius = array_key_exists( 'borderRadius', $attributes ); |
| 294 |
$has_font_family = array_key_exists( 'fontFamily', $attributes ); |
| 295 |
$has_typography_styles = array_key_exists( 'style', $attributes ) && array_key_exists( 'typography', $attributes['style'] ); |
| 296 |
$has_custom_font_size = $has_typography_styles && array_key_exists( 'fontSize', $attributes['style']['typography'] ); |
| 297 |
$has_custom_text_transform = $has_typography_styles && array_key_exists( 'textTransform', $attributes['style']['typography'] ); |
| 298 |
$border_styles = array(); |
| 299 |
$border_attribute = $attributes['style']['border'] ?? null; |
| 300 |
$is_border_style_array = is_array( $border_attribute ); |
| 301 |
|
| 302 |
$has_custom_border_color = $is_border_style_array && isset( $border_attribute['color'] ); |
| 303 |
$has_border_style = $is_border_style_array && isset( $border_attribute['style'] ); |
| 304 |
$has_border_width = $is_border_style_array && isset( $border_attribute['width'] ); |
| 305 |
$has_individual_borders = $is_border_style_array && ( |
| 306 |
isset( $border_attribute['top'] ) || |
| 307 |
isset( $border_attribute['right'] ) || |
| 308 |
isset( $border_attribute['bottom'] ) || |
| 309 |
isset( $border_attribute['left'] ) |
| 310 |
); |
| 311 |
|
| 312 |
if ( $has_font_family ) { |
| 313 |
$styles[] = sprintf( 'font-family: %s;', $attributes['fontFamily'] ); |
| 314 |
} |
| 315 |
|
| 316 |
if ( $has_custom_font_size ) { |
| 317 |
$styles[] = sprintf( 'font-size: %s;', $attributes['style']['typography']['fontSize'] ); |
| 318 |
} |
| 319 |
|
| 320 |
if ( $has_custom_text_transform ) { |
| 321 |
$styles[] = sprintf( 'text-transform: %s;', $attributes['style']['typography']['textTransform'] ); |
| 322 |
} |
| 323 |
|
| 324 |
if ( ! $has_named_text_color && $has_custom_text_color ) { |
| 325 |
$styles[] = sprintf( 'color: %s;', $attributes['customTextColor'] ); |
| 326 |
} |
| 327 |
|
| 328 |
if ( ! $has_named_background_color && ! $has_named_gradient && $has_custom_gradient ) { |
| 329 |
$styles[] = sprintf( 'background: %s;', $attributes['customGradient'] ); |
| 330 |
} |
| 331 |
|
| 332 |
if ( |
| 333 |
$has_custom_background_color && |
| 334 |
! $has_named_background_color && |
| 335 |
! $has_named_gradient && |
| 336 |
! $has_custom_gradient |
| 337 |
) { |
| 338 |
$styles[] = sprintf( 'background-color: %s;', $attributes['customBackgroundColor'] ); |
| 339 |
} |
| 340 |
|
| 341 |
// phpcs:ignore Universal.Operators.StrictComparisons.LooseNotEqual |
| 342 |
if ( $has_border_radius && 0 != $attributes['borderRadius'] ) { |
| 343 |
$styles[] = sprintf( 'border-radius: %spx;', $attributes['borderRadius'] ); |
| 344 |
} |
| 345 |
|
| 346 |
if ( $has_custom_border_color ) { |
| 347 |
$border_styles['color'] = $attributes['style']['border']['color']; |
| 348 |
} |
| 349 |
|
| 350 |
if ( $has_border_style ) { |
| 351 |
$border_styles['style'] = $attributes['style']['border']['style']; |
| 352 |
} |
| 353 |
|
| 354 |
if ( $has_border_width ) { |
| 355 |
$border_styles['width'] = $attributes['style']['border']['width']; |
| 356 |
} |
| 357 |
|
| 358 |
if ( $has_individual_borders ) { |
| 359 |
foreach ( array( 'top', 'right', 'bottom', 'left' ) as $side ) { |
| 360 |
$border = $attributes['style']['border'][ $side ] ?? null; |
| 361 |
if ( is_array( $border ) ) { |
| 362 |
$border_side_values = array( |
| 363 |
'width' => $border['width'] ?? null, |
| 364 |
'color' => $border['color'] ?? null, |
| 365 |
'style' => $border['style'] ?? null, |
| 366 |
); |
| 367 |
$border_styles[ $side ] = $border_side_values; |
| 368 |
} |
| 369 |
} |
| 370 |
} |
| 371 |
|
| 372 |
$border_styles = wp_style_engine_get_styles( array( 'border' => $border_styles ) ); |
| 373 |
if ( isset( $border_styles['css'] ) ) { |
| 374 |
$styles[] = $border_styles['css']; |
| 375 |
} |
| 376 |
|
| 377 |
return implode( ' ', $styles ); |
| 378 |
} |
| 379 |
|
| 380 |
/** |
| 381 |
* Get the Button wrapper block styles. |
| 382 |
* |
| 383 |
* @param array $attributes Array containing the block attributes. |
| 384 |
* |
| 385 |
* @return string |
| 386 |
*/ |
| 387 |
function get_button_wrapper_styles( $attributes ) { |
| 388 |
$styles = array(); |
| 389 |
$has_width = array_key_exists( 'width', $attributes ); |
| 390 |
|
| 391 |
if ( $has_width && ! empty( $attributes['width'] ) ) { |
| 392 |
$styles[] = sprintf( 'width: %s;', $attributes['width'] ); |
| 393 |
} |
| 394 |
|
| 395 |
return implode( ' ', $styles ); |
| 396 |
} |
| 397 |
|
| 398 |
/** |
| 399 |
* Get filtered attributes. |
| 400 |
* |
| 401 |
* @param array $attributes Array containing the Button block attributes. |
| 402 |
* @param string $attribute_name String containing the attribute name to get. |
| 403 |
* |
| 404 |
* @return string |
| 405 |
*/ |
| 406 |
function get_attribute( $attributes, $attribute_name ) { |
| 407 |
if ( isset( $attributes[ $attribute_name ] ) ) { |
| 408 |
return $attributes[ $attribute_name ]; |
| 409 |
} |
| 410 |
|
| 411 |
$default_attributes = array( |
| 412 |
'url' => '#', |
| 413 |
'element' => 'a', |
| 414 |
'saveInPostContent' => false, |
| 415 |
); |
| 416 |
|
| 417 |
if ( 'element' === $attribute_name ) { |
| 418 |
/** |
| 419 |
* Filter the HTML element the Button block falls back to when the block itself |
| 420 |
* does not specify one. |
| 421 |
* |
| 422 |
* Jetpack Forms uses this to default its submit button to `button` while a form |
| 423 |
* renders, since an `a` inside a form can never submit it. |
| 424 |
* |
| 425 |
* Values outside 'a', 'button' and 'input' are ignored by the render callback. |
| 426 |
* |
| 427 |
* @since 16.2 |
| 428 |
* |
| 429 |
* @param string $element The default element. One of 'a', 'button', or 'input'. |
| 430 |
*/ |
| 431 |
return apply_filters( 'jetpack_button_default_element', $default_attributes['element'] ); |
| 432 |
} |
| 433 |
|
| 434 |
if ( isset( $default_attributes[ $attribute_name ] ) ) { |
| 435 |
return $default_attributes[ $attribute_name ]; |
| 436 |
} |
| 437 |
} |
| 438 |
|
| 439 |
/** |
| 440 |
* Enqueue style for an existing block. |
| 441 |
* |
| 442 |
* The Jetpack Button block depends on styles from the core button block. |
| 443 |
* In case that block is not already within the post content, we can use |
| 444 |
* this function to ensure the block's style assets are enqueued. |
| 445 |
* |
| 446 |
* @param string $block_name Block type name including namespace. |
| 447 |
*/ |
| 448 |
function enqueue_existing_button_style_dependency( $block_name ) { |
| 449 |
$existing_block = \WP_Block_Type_Registry::get_instance()->get_registered( $block_name ); |
| 450 |
if ( isset( $existing_block ) && ! empty( $existing_block->style ) ) { |
| 451 |
wp_enqueue_style( $existing_block->style ); |
| 452 |
} |
| 453 |
} |
| 454 |
|