| 1 |
<?php |
| 2 |
/** |
| 3 |
* Server-side rendering of the `core/navigation` block. |
| 4 |
* |
| 5 |
* @package WordPress |
| 6 |
*/ |
| 7 |
|
| 8 |
/** |
| 9 |
* Returns the submenu visibility value with backward compatibility |
| 10 |
* for the deprecated openSubmenusOnClick attribute. |
| 11 |
* |
| 12 |
* This function centralizes the migration logic from the boolean |
| 13 |
* openSubmenusOnClick to the new submenuVisibility enum. |
| 14 |
* |
| 15 |
* Backward compatibility: WordPress applies default attribute values, so submenuVisibility |
| 16 |
* will always have a value even for legacy blocks. We check the legacy openSubmenusOnClick |
| 17 |
* attribute first to preserve original behavior for blocks saved before the migration. |
| 18 |
* |
| 19 |
* @since 6.9.0 |
| 20 |
* |
| 21 |
* @param array $attributes Block attributes containing submenuVisibility and/or openSubmenusOnClick. |
| 22 |
* @return string The visibility mode: 'hover', 'click', or 'always'. |
| 23 |
*/ |
| 24 |
function gutenberg_block_core_navigation_get_submenu_visibility( $attributes ) { |
| 25 |
$deprecated_open_submenus_on_click = $attributes['openSubmenusOnClick'] ?? null; |
| 26 |
|
| 27 |
// For backward compatibility, prioritize the legacy attribute if present. |
| 28 |
// Legacy blocks have openSubmenusOnClick in the database. Since WordPress applies |
| 29 |
// default values, submenuVisibility will also have a value, but we check the legacy |
| 30 |
// attribute first to preserve the original behavior. If the block has been updated |
| 31 |
// and saved in the editor, then the deprecated attribute will be replaced by submenuVisibility. |
| 32 |
if ( null !== $deprecated_open_submenus_on_click ) { |
| 33 |
// Convert boolean to string: true -> 'click', false -> 'hover'. |
| 34 |
return ! empty( $deprecated_open_submenus_on_click ) ? 'click' : 'hover'; |
| 35 |
} |
| 36 |
|
| 37 |
$submenu_visibility = $attributes['submenuVisibility'] ?? null; |
| 38 |
|
| 39 |
// Use submenuVisibility for migrated/new blocks (where openSubmenusOnClick is null). |
| 40 |
return $submenu_visibility ?? 'hover'; |
| 41 |
} |
| 42 |
|
| 43 |
/** |
| 44 |
* Helper functions used to render the navigation block. |
| 45 |
* |
| 46 |
* @since 6.5.0 |
| 47 |
*/ |
| 48 |
class WP_Navigation_Block_Renderer_Gutenberg { |
| 49 |
|
| 50 |
/** |
| 51 |
* Used to determine whether or not a navigation has submenus. |
| 52 |
* |
| 53 |
* @since 6.5.0 |
| 54 |
*/ |
| 55 |
private static $has_submenus = false; |
| 56 |
|
| 57 |
/** |
| 58 |
* Used to determine which blocks need an <li> wrapper. |
| 59 |
* |
| 60 |
* @since 6.5.0 |
| 61 |
* |
| 62 |
* @var array |
| 63 |
*/ |
| 64 |
private static $needs_list_item_wrapper = array( |
| 65 |
'core/site-title', |
| 66 |
'core/site-logo', |
| 67 |
'core/social-links', |
| 68 |
); |
| 69 |
|
| 70 |
/** |
| 71 |
* Keeps track of all the navigation names that have been seen. |
| 72 |
* |
| 73 |
* @since 6.5.0 |
| 74 |
* |
| 75 |
* @var array |
| 76 |
*/ |
| 77 |
private static $seen_menu_names = array(); |
| 78 |
|
| 79 |
|
| 80 |
/** |
| 81 |
* Returns whether or not this is responsive navigation. |
| 82 |
* |
| 83 |
* @since 6.5.0 |
| 84 |
* |
| 85 |
* @param array $attributes The block attributes. |
| 86 |
* @return bool Returns whether or not this is responsive navigation. |
| 87 |
*/ |
| 88 |
private static function is_responsive( $attributes ) { |
| 89 |
/** |
| 90 |
* This is for backwards compatibility after the `isResponsive` attribute was been removed. |
| 91 |
*/ |
| 92 |
|
| 93 |
$has_old_responsive_attribute = ! empty( $attributes['isResponsive'] ) && $attributes['isResponsive']; |
| 94 |
return isset( $attributes['overlayMenu'] ) && 'never' !== $attributes['overlayMenu'] || $has_old_responsive_attribute; |
| 95 |
} |
| 96 |
|
| 97 |
/** |
| 98 |
* Returns whether or not a navigation has a submenu. |
| 99 |
* |
| 100 |
* @since 6.5.0 |
| 101 |
* |
| 102 |
* @param WP_Block_List $inner_blocks The list of inner blocks. |
| 103 |
* @return bool Returns whether or not a navigation has a submenu and also sets the member variable. |
| 104 |
*/ |
| 105 |
private static function has_submenus( $inner_blocks ) { |
| 106 |
if ( true === static::$has_submenus ) { |
| 107 |
return static::$has_submenus; |
| 108 |
} |
| 109 |
|
| 110 |
foreach ( $inner_blocks as $inner_block ) { |
| 111 |
// If this is a page list then work out if any of the pages have children. |
| 112 |
if ( 'core/page-list' === $inner_block->name ) { |
| 113 |
$all_pages = get_pages( |
| 114 |
array( |
| 115 |
'sort_column' => 'menu_order,post_title', |
| 116 |
'order' => 'asc', |
| 117 |
) |
| 118 |
); |
| 119 |
foreach ( (array) $all_pages as $page ) { |
| 120 |
if ( $page->post_parent ) { |
| 121 |
static::$has_submenus = true; |
| 122 |
break; |
| 123 |
} |
| 124 |
} |
| 125 |
} |
| 126 |
// If this is a navigation submenu then we know we have submenus. |
| 127 |
if ( 'core/navigation-submenu' === $inner_block->name ) { |
| 128 |
static::$has_submenus = true; |
| 129 |
break; |
| 130 |
} |
| 131 |
} |
| 132 |
|
| 133 |
return static::$has_submenus; |
| 134 |
} |
| 135 |
|
| 136 |
/** |
| 137 |
* Determine whether the navigation blocks is interactive. |
| 138 |
* |
| 139 |
* @since 6.5.0 |
| 140 |
* |
| 141 |
* @param array $attributes The block attributes. |
| 142 |
* @param WP_Block_List $inner_blocks The list of inner blocks. |
| 143 |
* @return bool Returns whether or not to load the view script. |
| 144 |
*/ |
| 145 |
private static function is_interactive( $attributes, $inner_blocks ) { |
| 146 |
$has_submenus = static::has_submenus( $inner_blocks ); |
| 147 |
$is_responsive_menu = static::is_responsive( $attributes ); |
| 148 |
$computed_visibility = gutenberg_block_core_navigation_get_submenu_visibility( $attributes ); |
| 149 |
$open_on_click = 'click' === $computed_visibility; |
| 150 |
$show_submenu_icon = ! empty( $attributes['showSubmenuIcon'] ); |
| 151 |
return ( $has_submenus && ( $open_on_click || $show_submenu_icon ) ) || $is_responsive_menu; |
| 152 |
} |
| 153 |
|
| 154 |
/** |
| 155 |
* Returns whether or not a block needs a list item wrapper. |
| 156 |
* |
| 157 |
* @since 6.5.0 |
| 158 |
* |
| 159 |
* @param WP_Block $block The block. |
| 160 |
* @return bool Returns whether or not a block needs a list item wrapper. |
| 161 |
*/ |
| 162 |
private static function does_block_need_a_list_item_wrapper( $block ) { |
| 163 |
|
| 164 |
/** |
| 165 |
* Filter the list of blocks that need a list item wrapper. |
| 166 |
* |
| 167 |
* Affords the ability to customize which blocks need a list item wrapper when rendered |
| 168 |
* within a core/navigation block. |
| 169 |
* This is useful for blocks that are not list items but should be wrapped in a list |
| 170 |
* item when used as a child of a navigation block. |
| 171 |
* |
| 172 |
* @since 6.5.0 |
| 173 |
* |
| 174 |
* @param array $needs_list_item_wrapper The list of blocks that need a list item wrapper. |
| 175 |
*/ |
| 176 |
$needs_list_item_wrapper = apply_filters( 'block_core_navigation_listable_blocks', static::$needs_list_item_wrapper ); |
| 177 |
|
| 178 |
return in_array( $block->name, $needs_list_item_wrapper, true ); |
| 179 |
} |
| 180 |
|
| 181 |
/** |
| 182 |
* Returns the markup for a single inner block. |
| 183 |
* |
| 184 |
* @since 6.5.0 |
| 185 |
* |
| 186 |
* @param WP_Block $inner_block The inner block. |
| 187 |
* @return string Returns the markup for a single inner block. |
| 188 |
*/ |
| 189 |
private static function get_markup_for_inner_block( $inner_block ) { |
| 190 |
$inner_block_content = $inner_block->render(); |
| 191 |
if ( ! empty( $inner_block_content ) ) { |
| 192 |
if ( static::does_block_need_a_list_item_wrapper( $inner_block ) ) { |
| 193 |
return '<li class="wp-block-navigation-item">' . $inner_block_content . '</li>'; |
| 194 |
} |
| 195 |
} |
| 196 |
|
| 197 |
return $inner_block_content; |
| 198 |
} |
| 199 |
|
| 200 |
/** |
| 201 |
* Returns the html for blocks from a template part (without navigation container wrapper). |
| 202 |
* |
| 203 |
* @since 6.5.0 |
| 204 |
* |
| 205 |
* @param WP_Block_List $blocks The list of blocks to render. |
| 206 |
* @return string Returns the html for the template part blocks. |
| 207 |
*/ |
| 208 |
private static function get_template_part_blocks_html( $blocks ) { |
| 209 |
$html = ''; |
| 210 |
foreach ( $blocks as $block ) { |
| 211 |
$html .= $block->render(); |
| 212 |
} |
| 213 |
return $html; |
| 214 |
} |
| 215 |
|
| 216 |
/** |
| 217 |
* Returns the html for the inner blocks of the navigation block. |
| 218 |
* |
| 219 |
* @since 6.5.0 |
| 220 |
* |
| 221 |
* @param array $attributes The block attributes. |
| 222 |
* @param WP_Block_List $inner_blocks The list of inner blocks. |
| 223 |
* @return string Returns the html for the inner blocks of the navigation block. |
| 224 |
*/ |
| 225 |
private static function get_inner_blocks_html( $attributes, $inner_blocks ) { |
| 226 |
$has_submenus = static::has_submenus( $inner_blocks ); |
| 227 |
$is_interactive = static::is_interactive( $attributes, $inner_blocks ); |
| 228 |
|
| 229 |
$style = static::get_styles( $attributes ); |
| 230 |
$class = static::get_classes( $attributes ); |
| 231 |
$container_attributes = get_block_wrapper_attributes( |
| 232 |
array( |
| 233 |
'class' => 'wp-block-navigation__container ' . $class, |
| 234 |
'style' => $style, |
| 235 |
) |
| 236 |
); |
| 237 |
|
| 238 |
$inner_blocks_html = ''; |
| 239 |
$is_list_open = false; |
| 240 |
|
| 241 |
foreach ( $inner_blocks as $inner_block ) { |
| 242 |
$inner_block_markup = static::get_markup_for_inner_block( $inner_block ); |
| 243 |
$p = new WP_HTML_Tag_Processor( $inner_block_markup ); |
| 244 |
$is_list_item = $p->next_tag( 'LI' ); |
| 245 |
|
| 246 |
if ( $is_list_item && ! $is_list_open ) { |
| 247 |
$is_list_open = true; |
| 248 |
$inner_blocks_html .= sprintf( |
| 249 |
'<ul %1$s>', |
| 250 |
$container_attributes |
| 251 |
); |
| 252 |
} |
| 253 |
|
| 254 |
if ( ! $is_list_item && $is_list_open ) { |
| 255 |
$is_list_open = false; |
| 256 |
$inner_blocks_html .= '</ul>'; |
| 257 |
} |
| 258 |
|
| 259 |
$inner_blocks_html .= $inner_block_markup; |
| 260 |
} |
| 261 |
|
| 262 |
if ( $is_list_open ) { |
| 263 |
$inner_blocks_html .= '</ul>'; |
| 264 |
} |
| 265 |
|
| 266 |
// Add directives to the submenu if needed. |
| 267 |
if ( $has_submenus && $is_interactive ) { |
| 268 |
$tags = new WP_HTML_Tag_Processor( $inner_blocks_html ); |
| 269 |
$inner_blocks_html = gutenberg_block_core_navigation_add_directives_to_submenu( $tags, $attributes ); |
| 270 |
} |
| 271 |
|
| 272 |
return $inner_blocks_html; |
| 273 |
} |
| 274 |
|
| 275 |
/** |
| 276 |
* Gets the inner blocks for the navigation block from the navigation post. |
| 277 |
* |
| 278 |
* @since 6.5.0 |
| 279 |
* |
| 280 |
* @param array $attributes The block attributes. |
| 281 |
* @return WP_Block_List Returns the inner blocks for the navigation block. |
| 282 |
*/ |
| 283 |
private static function get_inner_blocks_from_navigation_post( $attributes ) { |
| 284 |
$navigation_post = get_post( $attributes['ref'] ); |
| 285 |
if ( ! isset( $navigation_post ) ) { |
| 286 |
return new WP_Block_List( array(), $attributes ); |
| 287 |
} |
| 288 |
|
| 289 |
// Only published posts are valid. If this is changed then a corresponding change |
| 290 |
// must also be implemented in `use-navigation-menu.js`. |
| 291 |
if ( 'publish' === $navigation_post->post_status ) { |
| 292 |
$parsed_blocks = parse_blocks( $navigation_post->post_content ); |
| 293 |
|
| 294 |
// 'parse_blocks' includes a null block with '\n\n' as the content when |
| 295 |
// it encounters whitespace. This code strips it. |
| 296 |
$blocks = gutenberg_block_core_navigation_filter_out_empty_blocks( $parsed_blocks ); |
| 297 |
|
| 298 |
// Re-serialize, and run Block Hooks algorithm to inject hooked blocks. |
| 299 |
// TODO: See if we can move the apply_block_hooks_to_content_from_post_object() call |
| 300 |
// before the parse_blocks() call further above, to avoid the extra serialization/parsing. |
| 301 |
$markup = serialize_blocks( $blocks ); |
| 302 |
$markup = apply_block_hooks_to_content_from_post_object( $markup, $navigation_post ); |
| 303 |
$blocks = parse_blocks( $markup ); |
| 304 |
|
| 305 |
// TODO - this uses the full navigation block attributes for the |
| 306 |
// context which could be refined. |
| 307 |
return new WP_Block_List( $blocks, $attributes ); |
| 308 |
} |
| 309 |
} |
| 310 |
|
| 311 |
/** |
| 312 |
* Gets the inner blocks for the navigation block from the fallback. |
| 313 |
* |
| 314 |
* @since 6.5.0 |
| 315 |
* |
| 316 |
* @param array $attributes The block attributes. |
| 317 |
* @return WP_Block_List Returns the inner blocks for the navigation block. |
| 318 |
*/ |
| 319 |
private static function get_inner_blocks_from_fallback( $attributes ) { |
| 320 |
$fallback_blocks = gutenberg_block_core_navigation_get_fallback_blocks(); |
| 321 |
|
| 322 |
// Fallback my have been filtered so do basic test for validity. |
| 323 |
if ( empty( $fallback_blocks ) || ! is_array( $fallback_blocks ) ) { |
| 324 |
return new WP_Block_List( array(), $attributes ); |
| 325 |
} |
| 326 |
|
| 327 |
return new WP_Block_List( $fallback_blocks, $attributes ); |
| 328 |
} |
| 329 |
|
| 330 |
/** |
| 331 |
* Recursively disables overlay menu for navigation blocks within overlay blocks. |
| 332 |
* Prevents nested overlays (inception). |
| 333 |
* |
| 334 |
* @since 6.5.0 |
| 335 |
* |
| 336 |
* @param array $blocks Array of parsed block arrays. |
| 337 |
* @return array Modified blocks with overlayMenu set to 'never' for navigation blocks. |
| 338 |
*/ |
| 339 |
private static function disable_overlay_menu_for_nested_navigation_blocks( $blocks ) { |
| 340 |
if ( empty( $blocks ) || ! is_array( $blocks ) ) { |
| 341 |
return $blocks; |
| 342 |
} |
| 343 |
|
| 344 |
foreach ( $blocks as &$block ) { |
| 345 |
if ( ! isset( $block['blockName'] ) ) { |
| 346 |
continue; |
| 347 |
} |
| 348 |
|
| 349 |
// If this is a navigation block, disable its overlay menu. |
| 350 |
if ( 'core/navigation' === $block['blockName'] ) { |
| 351 |
if ( ! isset( $block['attrs'] ) ) { |
| 352 |
$block['attrs'] = array(); |
| 353 |
} |
| 354 |
$block['attrs']['overlayMenu'] = 'never'; |
| 355 |
// Mark this as a nested navigation within an overlay template part |
| 356 |
// so we can handle its rendering differently. |
| 357 |
$block['attrs']['_isWithinOverlayTemplatePart'] = true; |
| 358 |
} |
| 359 |
|
| 360 |
// Recursively process inner blocks. |
| 361 |
if ( ! empty( $block['innerBlocks'] ) && is_array( $block['innerBlocks'] ) ) { |
| 362 |
$block['innerBlocks'] = static::disable_overlay_menu_for_nested_navigation_blocks( $block['innerBlocks'] ); |
| 363 |
} |
| 364 |
} |
| 365 |
|
| 366 |
return $blocks; |
| 367 |
} |
| 368 |
|
| 369 |
/** |
| 370 |
* Gets the inner blocks for the navigation block from an overlay template part. |
| 371 |
* |
| 372 |
* @since 6.5.0 |
| 373 |
* |
| 374 |
* @param string $overlay_template_part_id The overlay template part ID in format "theme//slug". |
| 375 |
* @param array $attributes The block attributes. |
| 376 |
* @return WP_Block_List Returns the inner blocks for the overlay template part. |
| 377 |
*/ |
| 378 |
private static function get_overlay_blocks_from_template_part( $overlay_template_part_id, $attributes ) { |
| 379 |
if ( empty( $overlay_template_part_id ) || ! is_string( $overlay_template_part_id ) ) { |
| 380 |
return new WP_Block_List( array(), $attributes ); |
| 381 |
} |
| 382 |
|
| 383 |
// Parse the template part ID (format: "theme//slug"). |
| 384 |
// If it's just a slug, construct the full ID using the current theme. |
| 385 |
$parts = explode( '//', $overlay_template_part_id, 2 ); |
| 386 |
if ( count( $parts ) === 2 ) { |
| 387 |
// Already in "theme//slug" format (backward compatibility). |
| 388 |
$theme = $parts[0]; |
| 389 |
$slug = $parts[1]; |
| 390 |
} else { |
| 391 |
// Just a slug, use current theme. |
| 392 |
$theme = get_stylesheet(); |
| 393 |
$slug = $overlay_template_part_id; |
| 394 |
} |
| 395 |
|
| 396 |
// Only query for template parts from the active theme. |
| 397 |
if ( get_stylesheet() !== $theme ) { |
| 398 |
return new WP_Block_List( array(), $attributes ); |
| 399 |
} |
| 400 |
|
| 401 |
// Query for the template part post. |
| 402 |
$template_part_query = new WP_Query( |
| 403 |
array( |
| 404 |
'post_type' => 'wp_template_part', |
| 405 |
'post_status' => 'publish', |
| 406 |
'post_name__in' => array( $slug ), |
| 407 |
'tax_query' => array( |
| 408 |
array( |
| 409 |
'taxonomy' => 'wp_theme', |
| 410 |
'field' => 'name', |
| 411 |
'terms' => $theme, |
| 412 |
), |
| 413 |
), |
| 414 |
'posts_per_page' => 1, |
| 415 |
'no_found_rows' => true, |
| 416 |
'lazy_load_term_meta' => false, // Do not lazy load term meta, as template parts only have one term. |
| 417 |
) |
| 418 |
); |
| 419 |
|
| 420 |
$template_part_post = $template_part_query->have_posts() ? $template_part_query->next_post() : null; |
| 421 |
|
| 422 |
if ( ! $template_part_post ) { |
| 423 |
// Try to get from theme file if not in database. |
| 424 |
// Construct the full template part ID for get_block_file_template. |
| 425 |
$full_template_part_id = $theme . '//' . $slug; |
| 426 |
$block_template = get_block_file_template( $full_template_part_id, 'wp_template_part' ); |
| 427 |
if ( isset( $block_template->content ) ) { |
| 428 |
// Expand shortcodes before parsing blocks, matching the order in |
| 429 |
// `render_block_core_template_part()`. |
| 430 |
$content = shortcode_unautop( $block_template->content ); |
| 431 |
$content = do_shortcode( $content ); |
| 432 |
$parsed_blocks = parse_blocks( $content ); |
| 433 |
$blocks = gutenberg_block_core_navigation_filter_out_empty_blocks( $parsed_blocks ); |
| 434 |
// Disable overlay menu for any navigation blocks within the overlay to prevent nested overlays. |
| 435 |
$blocks = static::disable_overlay_menu_for_nested_navigation_blocks( $blocks ); |
| 436 |
return new WP_Block_List( $blocks, $attributes ); |
| 437 |
} |
| 438 |
return new WP_Block_List( array(), $attributes ); |
| 439 |
} |
| 440 |
|
| 441 |
// Get the template part content. |
| 442 |
$block_template = _build_block_template_result_from_post( $template_part_post ); |
| 443 |
if ( ! isset( $block_template->content ) ) { |
| 444 |
return new WP_Block_List( array(), $attributes ); |
| 445 |
} |
| 446 |
|
| 447 |
$parsed_blocks = parse_blocks( $block_template->content ); |
| 448 |
|
| 449 |
// 'parse_blocks' includes a null block with '\n\n' as the content when |
| 450 |
// it encounters whitespace. This code strips it. |
| 451 |
$blocks = gutenberg_block_core_navigation_filter_out_empty_blocks( $parsed_blocks ); |
| 452 |
|
| 453 |
// Re-serialize, and run Block Hooks algorithm to inject hooked blocks. |
| 454 |
$markup = serialize_blocks( $blocks ); |
| 455 |
$markup = apply_block_hooks_to_content_from_post_object( $markup, $template_part_post ); |
| 456 |
|
| 457 |
// Expand shortcodes before parsing blocks, matching the order in |
| 458 |
// `render_block_core_template_part()`. |
| 459 |
$markup = shortcode_unautop( $markup ); |
| 460 |
$markup = do_shortcode( $markup ); |
| 461 |
|
| 462 |
$blocks = parse_blocks( $markup ); |
| 463 |
|
| 464 |
// Disable overlay menu for any navigation blocks within the overlay to prevent nested overlays. |
| 465 |
$blocks = static::disable_overlay_menu_for_nested_navigation_blocks( $blocks ); |
| 466 |
|
| 467 |
return new WP_Block_List( $blocks, $attributes ); |
| 468 |
} |
| 469 |
|
| 470 |
/** |
| 471 |
* Gets the inner blocks for the navigation block. |
| 472 |
* |
| 473 |
* @since 6.5.0 |
| 474 |
* |
| 475 |
* @param array $attributes The block attributes. |
| 476 |
* @param WP_Block $block The parsed block. |
| 477 |
* @return WP_Block_List Returns the inner blocks for the navigation block. |
| 478 |
*/ |
| 479 |
private static function get_inner_blocks( $attributes, $block ) { |
| 480 |
$inner_blocks = $block->inner_blocks; |
| 481 |
|
| 482 |
// Ensure that blocks saved with the legacy ref attribute name (navigationMenuId) continue to render. |
| 483 |
if ( array_key_exists( 'navigationMenuId', $attributes ) ) { |
| 484 |
$attributes['ref'] = $attributes['navigationMenuId']; |
| 485 |
} |
| 486 |
|
| 487 |
// If: |
| 488 |
// - the gutenberg plugin is active |
| 489 |
// - `__unstableLocation` is defined |
| 490 |
// - we have menu items at the defined location |
| 491 |
// - we don't have a relationship to a `wp_navigation` Post (via `ref`). |
| 492 |
// ...then create inner blocks from the classic menu assigned to that location. |
| 493 |
if ( |
| 494 |
defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN && |
| 495 |
array_key_exists( '__unstableLocation', $attributes ) && |
| 496 |
! array_key_exists( 'ref', $attributes ) && |
| 497 |
! empty( gutenberg_block_core_navigation_get_menu_items_at_location( $attributes['__unstableLocation'] ) ) |
| 498 |
) { |
| 499 |
$inner_blocks = gutenberg_block_core_navigation_get_inner_blocks_from_unstable_location( $attributes ); |
| 500 |
} |
| 501 |
|
| 502 |
// Load inner blocks from the navigation post. |
| 503 |
if ( array_key_exists( 'ref', $attributes ) ) { |
| 504 |
$inner_blocks = static::get_inner_blocks_from_navigation_post( $attributes ); |
| 505 |
} |
| 506 |
|
| 507 |
// If there are no inner blocks then fallback to rendering an appropriate fallback. |
| 508 |
if ( empty( $inner_blocks ) ) { |
| 509 |
$inner_blocks = static::get_inner_blocks_from_fallback( $attributes ); |
| 510 |
} |
| 511 |
|
| 512 |
/** |
| 513 |
* Filter navigation block $inner_blocks. |
| 514 |
* Allows modification of a navigation block menu items. |
| 515 |
* |
| 516 |
* @since 6.1.0 |
| 517 |
* |
| 518 |
* @param \WP_Block_List $inner_blocks |
| 519 |
*/ |
| 520 |
$inner_blocks = apply_filters( 'block_core_navigation_render_inner_blocks', $inner_blocks ); |
| 521 |
|
| 522 |
$post_ids = gutenberg_block_core_navigation_get_post_ids( $inner_blocks ); |
| 523 |
if ( $post_ids ) { |
| 524 |
_prime_post_caches( $post_ids, false, false ); |
| 525 |
} |
| 526 |
|
| 527 |
return $inner_blocks; |
| 528 |
} |
| 529 |
|
| 530 |
/** |
| 531 |
* Gets the name of the current navigation, if it has one. |
| 532 |
* |
| 533 |
* @since 6.5.0 |
| 534 |
* |
| 535 |
* @param array $attributes The block attributes. |
| 536 |
* @return string Returns the name of the navigation. |
| 537 |
*/ |
| 538 |
private static function get_navigation_name( $attributes ) { |
| 539 |
|
| 540 |
$navigation_name = $attributes['ariaLabel'] ?? ''; |
| 541 |
|
| 542 |
if ( ! empty( $navigation_name ) ) { |
| 543 |
return $navigation_name; |
| 544 |
} |
| 545 |
|
| 546 |
// Load the navigation post. |
| 547 |
if ( array_key_exists( 'ref', $attributes ) ) { |
| 548 |
$navigation_post = get_post( $attributes['ref'] ); |
| 549 |
if ( ! isset( $navigation_post ) ) { |
| 550 |
return $navigation_name; |
| 551 |
} |
| 552 |
|
| 553 |
// Only published posts are valid. If this is changed then a corresponding change |
| 554 |
// must also be implemented in `use-navigation-menu.js`. |
| 555 |
if ( 'publish' === $navigation_post->post_status ) { |
| 556 |
return $navigation_post->post_title; |
| 557 |
} |
| 558 |
} |
| 559 |
|
| 560 |
return $navigation_name; |
| 561 |
} |
| 562 |
|
| 563 |
/** |
| 564 |
* Returns the layout class for the navigation block. |
| 565 |
* |
| 566 |
* @since 6.5.0 |
| 567 |
* |
| 568 |
* @param array $attributes The block attributes. |
| 569 |
* @return string Returns the layout class for the navigation block. |
| 570 |
*/ |
| 571 |
private static function get_layout_class( $attributes ) { |
| 572 |
$layout_justification = array( |
| 573 |
'left' => 'items-justified-left', |
| 574 |
'right' => 'items-justified-right', |
| 575 |
'center' => 'items-justified-center', |
| 576 |
'space-between' => 'items-justified-space-between', |
| 577 |
); |
| 578 |
|
| 579 |
$layout_class = ''; |
| 580 |
if ( |
| 581 |
isset( $attributes['layout']['justifyContent'] ) && |
| 582 |
isset( $layout_justification[ $attributes['layout']['justifyContent'] ] ) |
| 583 |
) { |
| 584 |
$layout_class .= $layout_justification[ $attributes['layout']['justifyContent'] ]; |
| 585 |
} |
| 586 |
if ( isset( $attributes['layout']['orientation'] ) && 'vertical' === $attributes['layout']['orientation'] ) { |
| 587 |
$layout_class .= ' is-vertical'; |
| 588 |
} |
| 589 |
|
| 590 |
if ( isset( $attributes['layout']['flexWrap'] ) && 'nowrap' === $attributes['layout']['flexWrap'] ) { |
| 591 |
$layout_class .= ' no-wrap'; |
| 592 |
} |
| 593 |
return $layout_class; |
| 594 |
} |
| 595 |
|
| 596 |
/** |
| 597 |
* Return classes for the navigation block. |
| 598 |
* |
| 599 |
* @since 6.5.0 |
| 600 |
* |
| 601 |
* @param array $attributes The block attributes. |
| 602 |
* @return string Returns the classes for the navigation block. |
| 603 |
*/ |
| 604 |
private static function get_classes( $attributes ) { |
| 605 |
// Restore legacy classnames for submenu positioning. |
| 606 |
$layout_class = static::get_layout_class( $attributes ); |
| 607 |
$colors = gutenberg_block_core_navigation_build_css_colors( $attributes ); |
| 608 |
$font_sizes = gutenberg_block_core_navigation_build_css_font_sizes( $attributes ); |
| 609 |
$is_responsive_menu = static::is_responsive( $attributes ); |
| 610 |
|
| 611 |
// Manually add block support text decoration as CSS class. |
| 612 |
$text_decoration = $attributes['style']['typography']['textDecoration'] ?? null; |
| 613 |
$text_decoration_class = sprintf( 'has-text-decoration-%s', $text_decoration ); |
| 614 |
|
| 615 |
$classes = array_merge( |
| 616 |
$colors['css_classes'], |
| 617 |
$font_sizes['css_classes'], |
| 618 |
$is_responsive_menu ? array( 'is-responsive' ) : array(), |
| 619 |
$layout_class ? array( $layout_class ) : array(), |
| 620 |
$text_decoration ? array( $text_decoration_class ) : array() |
| 621 |
); |
| 622 |
return implode( ' ', $classes ); |
| 623 |
} |
| 624 |
|
| 625 |
/** |
| 626 |
* Get styles for the navigation block. |
| 627 |
* |
| 628 |
* @since 6.5.0 |
| 629 |
* |
| 630 |
* @param array $attributes The block attributes. |
| 631 |
* @return string Returns the styles for the navigation block. |
| 632 |
*/ |
| 633 |
private static function get_styles( $attributes ) { |
| 634 |
$colors = gutenberg_block_core_navigation_build_css_colors( $attributes ); |
| 635 |
$font_sizes = gutenberg_block_core_navigation_build_css_font_sizes( $attributes ); |
| 636 |
$block_styles = $attributes['styles'] ?? ''; |
| 637 |
return $block_styles . $colors['inline_styles'] . $font_sizes['inline_styles']; |
| 638 |
} |
| 639 |
|
| 640 |
/** |
| 641 |
* Get responsive container classes for the navigation block. |
| 642 |
* |
| 643 |
* @since 7.0.0 |
| 644 |
* |
| 645 |
* @param bool $is_hidden_by_default Whether the responsive menu is hidden by default. |
| 646 |
* @param bool $has_custom_overlay Whether a custom overlay is used. |
| 647 |
* @param array $colors The colors array. |
| 648 |
* @return array Returns the responsive container classes. |
| 649 |
*/ |
| 650 |
private static function get_responsive_container_classes( $is_hidden_by_default, $has_custom_overlay, $colors ) { |
| 651 |
$responsive_container_classes = array( 'wp-block-navigation__responsive-container' ); |
| 652 |
|
| 653 |
if ( $is_hidden_by_default ) { |
| 654 |
$responsive_container_classes[] = 'hidden-by-default'; |
| 655 |
} |
| 656 |
|
| 657 |
if ( $has_custom_overlay ) { |
| 658 |
$responsive_container_classes[] = 'disable-default-overlay'; |
| 659 |
} else { |
| 660 |
// Don't apply overlay color classes if using a custom overlay template part. |
| 661 |
// The custom overlay is responsible for its own styling. |
| 662 |
$responsive_container_classes[] = implode( ' ', $colors['overlay_css_classes'] ); |
| 663 |
} |
| 664 |
|
| 665 |
return $responsive_container_classes; |
| 666 |
} |
| 667 |
|
| 668 |
/** |
| 669 |
* Get overlay inline styles for the navigation block. |
| 670 |
* |
| 671 |
* @since 7.0.0 |
| 672 |
* |
| 673 |
* @param array $colors The colors array. |
| 674 |
* @return string Returns the overlay inline styles. |
| 675 |
*/ |
| 676 |
private static function get_overlay_inline_styles( $has_custom_overlay, $colors ) { |
| 677 |
$overlay_inline_styles = $has_custom_overlay ? '' : esc_attr( safecss_filter_attr( $colors['overlay_inline_styles'] ) ); |
| 678 |
return ( ! empty( $overlay_inline_styles ) ) ? "style=\"$overlay_inline_styles\"" : ''; |
| 679 |
} |
| 680 |
|
| 681 |
/** |
| 682 |
* Get the responsive container markup |
| 683 |
* |
| 684 |
* @since 6.5.0 |
| 685 |
* |
| 686 |
* @param array $attributes The block attributes. |
| 687 |
* @param WP_Block_List $inner_blocks The list of inner blocks. |
| 688 |
* @param string $inner_blocks_html The markup for the inner blocks. |
| 689 |
* @return string Returns the container markup. |
| 690 |
*/ |
| 691 |
private static function get_responsive_container_markup( $attributes, $inner_blocks, $inner_blocks_html ) { |
| 692 |
$is_interactive = static::is_interactive( $attributes, $inner_blocks ); |
| 693 |
$colors = gutenberg_block_core_navigation_build_css_colors( $attributes ); |
| 694 |
$modal_unique_id = wp_unique_id( 'modal-' ); |
| 695 |
|
| 696 |
$is_hidden_by_default = isset( $attributes['overlayMenu'] ) && 'always' === $attributes['overlayMenu']; |
| 697 |
|
| 698 |
// Set-up variables for custom overlays. |
| 699 |
$has_custom_overlay = false; |
| 700 |
$close_button_markup = ''; |
| 701 |
$has_custom_overlay_close_block = false; |
| 702 |
$overlay_blocks_html = ''; |
| 703 |
$custom_overlay_markup = ''; |
| 704 |
|
| 705 |
// Check if an overlay template part is selected and render it. |
| 706 |
// This needs to happen before building classes so we know if overlay blocks actually exist. |
| 707 |
if ( ! empty( $attributes['overlay'] ) ) { |
| 708 |
// Get blocks from the overlay template part. |
| 709 |
$overlay_blocks = static::get_overlay_blocks_from_template_part( $attributes['overlay'], $attributes ); |
| 710 |
// Render template part blocks directly without navigation container wrapper. |
| 711 |
$overlay_blocks_html = static::get_template_part_blocks_html( $overlay_blocks ); |
| 712 |
// Check if overlay contains a navigation-overlay-close block (detect in rendered HTML so it works with patterns). |
| 713 |
$has_custom_overlay_close_block = gutenberg_block_core_navigation_overlay_html_has_close_block( $overlay_blocks_html ); |
| 714 |
// Add Interactivity API directives to the overlay close block if present. |
| 715 |
if ( $has_custom_overlay_close_block && $is_interactive ) { |
| 716 |
$tags = new WP_HTML_Tag_Processor( $overlay_blocks_html ); |
| 717 |
$overlay_blocks_html = gutenberg_block_core_navigation_add_directives_to_overlay_close( $tags ); |
| 718 |
} |
| 719 |
// Images in the overlay are hidden until the menu is opened. Pre-set |
| 720 |
// fetchpriority="low" so that when wp_filter_content_tags() processes the |
| 721 |
// parent template part, it sees the attribute already present and calls |
| 722 |
// wp_get_loading_optimization_attributes() with fetchpriority="low", which both prevents |
| 723 |
// fetchpriority="high" from being added and stops the LCP counter from being incremented. |
| 724 |
$overlay_blocks_html = gutenberg_block_core_navigation_set_overlay_image_fetch_priority( $overlay_blocks_html ); |
| 725 |
} |
| 726 |
|
| 727 |
$has_custom_overlay = ! empty( $overlay_blocks_html ); |
| 728 |
|
| 729 |
$responsive_container_classes = static::get_responsive_container_classes( $is_hidden_by_default, $has_custom_overlay, $colors ); |
| 730 |
|
| 731 |
$open_button_classes = array( |
| 732 |
'wp-block-navigation__responsive-container-open', |
| 733 |
$is_hidden_by_default ? 'always-shown' : '', |
| 734 |
); |
| 735 |
|
| 736 |
$should_display_icon_label = isset( $attributes['hasIcon'] ) && true === $attributes['hasIcon']; |
| 737 |
$toggle_button_icon = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><path d="M4 7.5h16v1.5H4z"></path><path d="M4 15h16v1.5H4z"></path></svg>'; |
| 738 |
if ( isset( $attributes['icon'] ) ) { |
| 739 |
if ( 'menu' === $attributes['icon'] ) { |
| 740 |
$toggle_button_icon = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M5 5v1.5h14V5H5z"></path><path d="M5 12.8h14v-1.5H5v1.5z"></path><path d="M5 19h14v-1.5H5V19z"></path></svg>'; |
| 741 |
} |
| 742 |
} |
| 743 |
$toggle_button_content = $should_display_icon_label ? $toggle_button_icon : __( 'Menu' ); |
| 744 |
$toggle_close_button_icon = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" aria-hidden="true" focusable="false"><path d="m13.06 12 6.47-6.47-1.06-1.06L12 10.94 5.53 4.47 4.47 5.53 10.94 12l-6.47 6.47 1.06 1.06L12 13.06l6.47 6.47 1.06-1.06L13.06 12Z"></path></svg>'; |
| 745 |
$toggle_close_button_content = $should_display_icon_label ? $toggle_close_button_icon : __( 'Close' ); |
| 746 |
$toggle_aria_label_open = $should_display_icon_label ? 'aria-label="' . __( 'Open menu' ) . '"' : ''; // Open button label. |
| 747 |
$toggle_aria_label_close = $should_display_icon_label ? 'aria-label="' . __( 'Close menu' ) . '"' : ''; // Close button label. |
| 748 |
|
| 749 |
// Add Interactivity API directives to the markup if needed. |
| 750 |
$open_button_directives = ''; |
| 751 |
$responsive_container_directives = ''; |
| 752 |
$responsive_dialog_directives = ''; |
| 753 |
$close_button_directives = ''; |
| 754 |
if ( $is_interactive ) { |
| 755 |
$open_button_directives = ' |
| 756 |
data-wp-on--click="actions.openMenuOnClick" |
| 757 |
data-wp-on--keydown="actions.handleMenuKeydown" |
| 758 |
'; |
| 759 |
$responsive_container_directives = ' |
| 760 |
data-wp-class--has-modal-open="state.isMenuOpen" |
| 761 |
data-wp-class--is-menu-open="state.isMenuOpen" |
| 762 |
data-wp-watch="callbacks.initMenu" |
| 763 |
data-wp-on--keydown="actions.handleMenuKeydown" |
| 764 |
data-wp-on--focusout="actions.handleMenuFocusout" |
| 765 |
tabindex="-1" |
| 766 |
'; |
| 767 |
$responsive_dialog_directives = ' |
| 768 |
data-wp-bind--aria-modal="state.ariaModal" |
| 769 |
data-wp-bind--aria-label="state.ariaLabel" |
| 770 |
data-wp-bind--role="state.roleAttribute" |
| 771 |
'; |
| 772 |
$close_button_directives = ' |
| 773 |
data-wp-on--click="actions.closeMenuOnClick" |
| 774 |
'; |
| 775 |
$responsive_container_content_directives = ' |
| 776 |
data-wp-watch="callbacks.focusFirstElement" |
| 777 |
'; |
| 778 |
} |
| 779 |
|
| 780 |
// Don't apply overlay inline styles if using a custom overlay template part. |
| 781 |
// The custom overlay is responsible for its own styling. |
| 782 |
$overlay_inline_styles = static::get_overlay_inline_styles( $has_custom_overlay, $colors ); |
| 783 |
|
| 784 |
if ( $has_custom_overlay ) { |
| 785 |
$custom_overlay_markup = sprintf( |
| 786 |
'<div class="wp-block-navigation__overlay-container">%s</div>', |
| 787 |
$overlay_blocks_html |
| 788 |
); |
| 789 |
} |
| 790 |
|
| 791 |
// Show default close button for all responsive navigation, |
| 792 |
// unless custom overlay has its own close block. |
| 793 |
if ( ! $has_custom_overlay_close_block ) { |
| 794 |
$close_button_markup = sprintf( |
| 795 |
'<button %1$s class="wp-block-navigation__responsive-container-close" %2$s>%3$s</button>', |
| 796 |
$toggle_aria_label_close, |
| 797 |
$close_button_directives, |
| 798 |
$toggle_close_button_content |
| 799 |
); |
| 800 |
} |
| 801 |
|
| 802 |
return sprintf( |
| 803 |
'<button aria-haspopup="dialog" %3$s class="%6$s" %10$s>%8$s</button> |
| 804 |
<div class="%5$s" %7$s id="%1$s" %11$s> |
| 805 |
<div class="wp-block-navigation__responsive-close" tabindex="-1"> |
| 806 |
<div class="wp-block-navigation__responsive-dialog" %12$s> |
| 807 |
%13$s |
| 808 |
<div class="wp-block-navigation__responsive-container-content" %14$s id="%1$s-content"> |
| 809 |
%2$s |
| 810 |
%15$s |
| 811 |
</div> |
| 812 |
</div> |
| 813 |
</div> |
| 814 |
</div>', |
| 815 |
esc_attr( $modal_unique_id ), |
| 816 |
$inner_blocks_html, |
| 817 |
$toggle_aria_label_open, |
| 818 |
$toggle_aria_label_close, |
| 819 |
esc_attr( trim( implode( ' ', $responsive_container_classes ) ) ), |
| 820 |
esc_attr( trim( implode( ' ', $open_button_classes ) ) ), |
| 821 |
$overlay_inline_styles, |
| 822 |
$toggle_button_content, |
| 823 |
$toggle_close_button_content, |
| 824 |
$open_button_directives, |
| 825 |
$responsive_container_directives, |
| 826 |
$responsive_dialog_directives, |
| 827 |
$close_button_markup, |
| 828 |
$responsive_container_content_directives, |
| 829 |
$has_custom_overlay ? $custom_overlay_markup : '' |
| 830 |
); |
| 831 |
} |
| 832 |
|
| 833 |
/** |
| 834 |
* Get the wrapper attributes |
| 835 |
* |
| 836 |
* @since 6.5.0 |
| 837 |
* |
| 838 |
* @param array $attributes The block attributes. |
| 839 |
* @param WP_Block_List $inner_blocks A list of inner blocks. |
| 840 |
* @return string Returns the navigation block markup. |
| 841 |
*/ |
| 842 |
private static function get_nav_attributes( $attributes, $inner_blocks ) { |
| 843 |
$is_interactive = static::is_interactive( $attributes, $inner_blocks ); |
| 844 |
$is_responsive_menu = static::is_responsive( $attributes ); |
| 845 |
$style = static::get_styles( $attributes ); |
| 846 |
$class = static::get_classes( $attributes ); |
| 847 |
$extra_attributes = array( |
| 848 |
'class' => $class, |
| 849 |
'style' => $style, |
| 850 |
); |
| 851 |
// Only add aria-label for top-level navigation blocks. |
| 852 |
// Skip navigation blocks marked as being within overlay template parts. |
| 853 |
$is_within_overlay = $attributes['_isWithinOverlayTemplatePart'] ?? false; |
| 854 |
if ( $is_within_overlay ) { |
| 855 |
$nav_menu_name = static::get_navigation_name( $attributes ); |
| 856 |
} else { |
| 857 |
$nav_menu_name = static::get_unique_navigation_name( $attributes ); |
| 858 |
} |
| 859 |
|
| 860 |
if ( ! empty( $nav_menu_name ) ) { |
| 861 |
$extra_attributes['aria-label'] = $nav_menu_name; |
| 862 |
} |
| 863 |
$wrapper_attributes = get_block_wrapper_attributes( $extra_attributes ); |
| 864 |
|
| 865 |
if ( $is_responsive_menu ) { |
| 866 |
$nav_element_directives = static::get_nav_element_directives( $is_interactive ); |
| 867 |
$wrapper_attributes .= ' ' . $nav_element_directives; |
| 868 |
} |
| 869 |
|
| 870 |
return $wrapper_attributes; |
| 871 |
} |
| 872 |
|
| 873 |
/** |
| 874 |
* Gets the nav element directives. |
| 875 |
* |
| 876 |
* @since 6.5.0 |
| 877 |
* |
| 878 |
* @param bool $is_interactive Whether the block is interactive. |
| 879 |
* @return string the directives for the navigation element. |
| 880 |
*/ |
| 881 |
private static function get_nav_element_directives( $is_interactive ) { |
| 882 |
if ( ! $is_interactive ) { |
| 883 |
return ''; |
| 884 |
} |
| 885 |
// When adding to this array be mindful of security concerns. |
| 886 |
$nav_element_context = wp_interactivity_data_wp_context( |
| 887 |
array( |
| 888 |
'overlayOpenedBy' => array( |
| 889 |
'click' => false, |
| 890 |
'hover' => false, |
| 891 |
'focus' => false, |
| 892 |
), |
| 893 |
'type' => 'overlay', |
| 894 |
'roleAttribute' => '', |
| 895 |
'ariaLabel' => __( 'Menu' ), |
| 896 |
) |
| 897 |
); |
| 898 |
$nav_element_directives = ' |
| 899 |
data-wp-interactive="core/navigation" ' |
| 900 |
. $nav_element_context; |
| 901 |
|
| 902 |
return $nav_element_directives; |
| 903 |
} |
| 904 |
|
| 905 |
/** |
| 906 |
* Handle view script module loading. |
| 907 |
* |
| 908 |
* @since 6.5.0 |
| 909 |
* |
| 910 |
* @param array $attributes The block attributes. |
| 911 |
* @param WP_Block $block The parsed block. |
| 912 |
* @param WP_Block_List $inner_blocks The list of inner blocks. |
| 913 |
*/ |
| 914 |
private static function handle_view_script_module_loading( $attributes, $block, $inner_blocks ) { |
| 915 |
if ( static::is_interactive( $attributes, $inner_blocks ) ) { |
| 916 |
wp_enqueue_script_module( '@wordpress/block-library/navigation/view' ); |
| 917 |
} |
| 918 |
} |
| 919 |
|
| 920 |
/** |
| 921 |
* Returns the markup for the navigation block. |
| 922 |
* |
| 923 |
* @since 6.5.0 |
| 924 |
* |
| 925 |
* @param array $attributes The block attributes. |
| 926 |
* @param WP_Block_List $inner_blocks The list of inner blocks. |
| 927 |
* @return string Returns the navigation wrapper markup. |
| 928 |
*/ |
| 929 |
private static function get_inner_block_markup( $attributes, $inner_blocks ) { |
| 930 |
$inner_blocks_html = static::get_inner_blocks_html( $attributes, $inner_blocks ); |
| 931 |
if ( static::is_responsive( $attributes ) ) { |
| 932 |
return static::get_responsive_container_markup( $attributes, $inner_blocks, $inner_blocks_html ); |
| 933 |
} |
| 934 |
return $inner_blocks_html; |
| 935 |
} |
| 936 |
|
| 937 |
/** |
| 938 |
* Returns a unique name for the navigation. |
| 939 |
* |
| 940 |
* @since 6.5.0 |
| 941 |
* |
| 942 |
* @param array $attributes The block attributes. |
| 943 |
* @return string Returns a unique name for the navigation. |
| 944 |
*/ |
| 945 |
private static function get_unique_navigation_name( $attributes ) { |
| 946 |
$nav_menu_name = static::get_navigation_name( $attributes ); |
| 947 |
|
| 948 |
// This is used to count the number of times a navigation name has been seen, |
| 949 |
// so that we can ensure every navigation has a unique id. |
| 950 |
if ( isset( static::$seen_menu_names[ $nav_menu_name ] ) ) { |
| 951 |
++static::$seen_menu_names[ $nav_menu_name ]; |
| 952 |
} else { |
| 953 |
static::$seen_menu_names[ $nav_menu_name ] = 1; |
| 954 |
} |
| 955 |
|
| 956 |
// If the menu name has been used previously then append an ID |
| 957 |
// to the name to ensure uniqueness across a given post. |
| 958 |
if ( isset( static::$seen_menu_names[ $nav_menu_name ] ) && static::$seen_menu_names[ $nav_menu_name ] > 1 ) { |
| 959 |
$count = static::$seen_menu_names[ $nav_menu_name ]; |
| 960 |
$nav_menu_name = $nav_menu_name . ' ' . ( $count ); |
| 961 |
} |
| 962 |
|
| 963 |
return $nav_menu_name; |
| 964 |
} |
| 965 |
|
| 966 |
/** |
| 967 |
* Renders the navigation block. |
| 968 |
* |
| 969 |
* @since 6.5.0 |
| 970 |
* |
| 971 |
* @param array $attributes The block attributes. |
| 972 |
* @param string $content The saved content. |
| 973 |
* @param WP_Block $block The parsed block. |
| 974 |
* @return string Returns the navigation block markup. |
| 975 |
*/ |
| 976 |
public static function render( $attributes, $content, $block ) { |
| 977 |
/** |
| 978 |
* Deprecated: |
| 979 |
* The rgbTextColor and rgbBackgroundColor attributes |
| 980 |
* have been deprecated in favor of |
| 981 |
* customTextColor and customBackgroundColor ones. |
| 982 |
* Move the values from old attrs to the new ones. |
| 983 |
*/ |
| 984 |
if ( isset( $attributes['rgbTextColor'] ) && empty( $attributes['textColor'] ) ) { |
| 985 |
$attributes['customTextColor'] = $attributes['rgbTextColor']; |
| 986 |
} |
| 987 |
|
| 988 |
if ( isset( $attributes['rgbBackgroundColor'] ) && empty( $attributes['backgroundColor'] ) ) { |
| 989 |
$attributes['customBackgroundColor'] = $attributes['rgbBackgroundColor']; |
| 990 |
} |
| 991 |
|
| 992 |
unset( $attributes['rgbTextColor'], $attributes['rgbBackgroundColor'] ); |
| 993 |
|
| 994 |
$inner_blocks = static::get_inner_blocks( $attributes, $block ); |
| 995 |
// Prevent navigation blocks referencing themselves from rendering. |
| 996 |
if ( gutenberg_block_core_navigation_block_tree_has_block_type( |
| 997 |
$inner_blocks, |
| 998 |
'core/navigation' |
| 999 |
) ) { |
| 1000 |
return ''; |
| 1001 |
} |
| 1002 |
|
| 1003 |
static::handle_view_script_module_loading( $attributes, $block, $inner_blocks ); |
| 1004 |
|
| 1005 |
// Use div wrapper if this navigation block is within an overlay template part. |
| 1006 |
$is_within_overlay = $attributes['_isWithinOverlayTemplatePart'] ?? false; |
| 1007 |
$tag_name = $is_within_overlay ? 'div' : 'nav'; |
| 1008 |
|
| 1009 |
return sprintf( |
| 1010 |
'<%1$s %2$s>%3$s</%1$s>', |
| 1011 |
$tag_name, |
| 1012 |
static::get_nav_attributes( $attributes, $inner_blocks ), |
| 1013 |
static::get_inner_block_markup( $attributes, $inner_blocks ) |
| 1014 |
); |
| 1015 |
} |
| 1016 |
} |
| 1017 |
|
| 1018 |
// These functions are used for the __unstableLocation feature and only active |
| 1019 |
// when the gutenberg plugin is active. |
| 1020 |
if ( defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN ) { |
| 1021 |
/** |
| 1022 |
* Returns the menu items for a WordPress menu location. |
| 1023 |
* |
| 1024 |
* @since 5.9.0 |
| 1025 |
* |
| 1026 |
* @param string $location The menu location. |
| 1027 |
* @return array Menu items for the location. |
| 1028 |
*/ |
| 1029 |
function gutenberg_block_core_navigation_get_menu_items_at_location( $location ) { |
| 1030 |
if ( empty( $location ) ) { |
| 1031 |
return; |
| 1032 |
} |
| 1033 |
|
| 1034 |
// Build menu data. The following approximates the code in |
| 1035 |
// `wp_nav_menu()` and `gutenberg_output_block_nav_menu`. |
| 1036 |
|
| 1037 |
// Find the location in the list of locations, returning early if the |
| 1038 |
// location can't be found. |
| 1039 |
$locations = get_nav_menu_locations(); |
| 1040 |
if ( ! isset( $locations[ $location ] ) ) { |
| 1041 |
return; |
| 1042 |
} |
| 1043 |
|
| 1044 |
// Get the menu from the location, returning early if there is no |
| 1045 |
// menu or there was an error. |
| 1046 |
$menu = wp_get_nav_menu_object( $locations[ $location ] ); |
| 1047 |
if ( ! $menu || is_wp_error( $menu ) ) { |
| 1048 |
return; |
| 1049 |
} |
| 1050 |
|
| 1051 |
$menu_items = wp_get_nav_menu_items( $menu->term_id, array( 'update_post_term_cache' => false ) ); |
| 1052 |
_wp_menu_item_classes_by_context( $menu_items ); |
| 1053 |
|
| 1054 |
return $menu_items; |
| 1055 |
} |
| 1056 |
|
| 1057 |
|
| 1058 |
/** |
| 1059 |
* Sorts a standard array of menu items into a nested structure keyed by the |
| 1060 |
* id of the parent menu. |
| 1061 |
* |
| 1062 |
* @since 5.9.0 |
| 1063 |
* |
| 1064 |
* @param array $menu_items Menu items to sort. |
| 1065 |
* @return array An array keyed by the id of the parent menu where each element |
| 1066 |
* is an array of menu items that belong to that parent. |
| 1067 |
*/ |
| 1068 |
function gutenberg_block_core_navigation_sort_menu_items_by_parent_id( $menu_items ) { |
| 1069 |
$sorted_menu_items = array(); |
| 1070 |
foreach ( (array) $menu_items as $menu_item ) { |
| 1071 |
$sorted_menu_items[ $menu_item->menu_order ] = $menu_item; |
| 1072 |
} |
| 1073 |
unset( $menu_items, $menu_item ); |
| 1074 |
|
| 1075 |
$menu_items_by_parent_id = array(); |
| 1076 |
foreach ( $sorted_menu_items as $menu_item ) { |
| 1077 |
$menu_items_by_parent_id[ $menu_item->menu_item_parent ][] = $menu_item; |
| 1078 |
} |
| 1079 |
|
| 1080 |
return $menu_items_by_parent_id; |
| 1081 |
} |
| 1082 |
|
| 1083 |
/** |
| 1084 |
* Gets the inner blocks for the navigation block from the unstable location attribute. |
| 1085 |
* |
| 1086 |
* @since 6.5.0 |
| 1087 |
* |
| 1088 |
* @param array $attributes The block attributes. |
| 1089 |
* @return WP_Block_List Returns the inner blocks for the navigation block. |
| 1090 |
*/ |
| 1091 |
function gutenberg_block_core_navigation_get_inner_blocks_from_unstable_location( $attributes ) { |
| 1092 |
$menu_items = gutenberg_block_core_navigation_get_menu_items_at_location( $attributes['__unstableLocation'] ); |
| 1093 |
if ( empty( $menu_items ) ) { |
| 1094 |
return new WP_Block_List( array(), $attributes ); |
| 1095 |
} |
| 1096 |
|
| 1097 |
$menu_items_by_parent_id = gutenberg_block_core_navigation_sort_menu_items_by_parent_id( $menu_items ); |
| 1098 |
$parsed_blocks = gutenberg_block_core_navigation_parse_blocks_from_menu_items( $menu_items_by_parent_id[0], $menu_items_by_parent_id ); |
| 1099 |
return new WP_Block_List( $parsed_blocks, $attributes ); |
| 1100 |
} |
| 1101 |
} |
| 1102 |
|
| 1103 |
/** |
| 1104 |
* Checks if the overlay HTML contains a navigation-overlay-close block. |
| 1105 |
* |
| 1106 |
* Uses WP_HTML_Tag_Processor to detect the close button in rendered output, |
| 1107 |
* so it works when the overlay uses patterns (pattern content is rendered at |
| 1108 |
* output time, not in the block tree). |
| 1109 |
* |
| 1110 |
* @since 7.0.0 |
| 1111 |
* |
| 1112 |
* @param string $html The rendered overlay HTML. |
| 1113 |
* @return bool True if a close button element is found. |
| 1114 |
*/ |
| 1115 |
function gutenberg_block_core_navigation_overlay_html_has_close_block( $html ) { |
| 1116 |
$tags = new WP_HTML_Tag_Processor( $html ); |
| 1117 |
return $tags->next_tag( |
| 1118 |
array( |
| 1119 |
'tag_name' => 'BUTTON', |
| 1120 |
'class_name' => 'wp-block-navigation-overlay-close', |
| 1121 |
) |
| 1122 |
); |
| 1123 |
} |
| 1124 |
|
| 1125 |
/** |
| 1126 |
* Add Interactivity API directives to the navigation-overlay-close block |
| 1127 |
* markup using the Tag Processor. |
| 1128 |
* |
| 1129 |
* @since 6.5.0 |
| 1130 |
* |
| 1131 |
* @param WP_HTML_Tag_Processor $tags Markup of the navigation block. |
| 1132 |
* @return string Overlay close markup with the directives injected. |
| 1133 |
*/ |
| 1134 |
function gutenberg_block_core_navigation_add_directives_to_overlay_close( $tags ) { |
| 1135 |
// Find all navigation-overlay-close buttons. |
| 1136 |
while ( $tags->next_tag( |
| 1137 |
array( |
| 1138 |
'tag_name' => 'BUTTON', |
| 1139 |
'class_name' => 'wp-block-navigation-overlay-close', |
| 1140 |
) |
| 1141 |
) ) { |
| 1142 |
// Add the same close directive as the default close button. |
| 1143 |
$tags->set_attribute( 'data-wp-on--click', 'actions.closeMenuOnClick' ); |
| 1144 |
} |
| 1145 |
return $tags->get_updated_html(); |
| 1146 |
} |
| 1147 |
|
| 1148 |
/** |
| 1149 |
* Sets fetchpriority="low" on all IMG tags within the navigation overlay. |
| 1150 |
* |
| 1151 |
* Images in the overlay are hidden until the menu is opened, so they should |
| 1152 |
* not compete with any actual LCP element image on the page. |
| 1153 |
* |
| 1154 |
* @since 7.0.0 |
| 1155 |
* |
| 1156 |
* @param string $overlay_blocks_html The rendered HTML of the overlay blocks. |
| 1157 |
* @return string Modified HTML with fetchpriority="low" on all IMG tags. |
| 1158 |
*/ |
| 1159 |
function gutenberg_block_core_navigation_set_overlay_image_fetch_priority( string $overlay_blocks_html ): string { |
| 1160 |
$tags = new WP_HTML_Tag_Processor( $overlay_blocks_html ); |
| 1161 |
while ( $tags->next_tag( 'IMG' ) ) { |
| 1162 |
$tags->set_attribute( 'fetchpriority', 'low' ); |
| 1163 |
} |
| 1164 |
return $tags->get_updated_html(); |
| 1165 |
} |
| 1166 |
|
| 1167 |
/** |
| 1168 |
* Add Interactivity API directives to the navigation-submenu and page-list |
| 1169 |
* blocks markup using the Tag Processor. |
| 1170 |
* |
| 1171 |
* @since 6.3.0 |
| 1172 |
* |
| 1173 |
* @param WP_HTML_Tag_Processor $tags Markup of the navigation block. |
| 1174 |
* @param array $block_attributes Block attributes. |
| 1175 |
* |
| 1176 |
* @return string Submenu markup with the directives injected. |
| 1177 |
*/ |
| 1178 |
function gutenberg_block_core_navigation_add_directives_to_submenu( $tags, $block_attributes ) { |
| 1179 |
while ( $tags->next_tag( |
| 1180 |
array( |
| 1181 |
'tag_name' => 'LI', |
| 1182 |
'class_name' => 'has-child', |
| 1183 |
) |
| 1184 |
) ) { |
| 1185 |
// Add directives to the parent `<li>`. |
| 1186 |
$tags->set_attribute( 'data-wp-interactive', 'core/navigation' ); |
| 1187 |
$tags->set_attribute( 'data-wp-context', '{ "submenuOpenedBy": { "click": false, "hover": false, "focus": false }, "type": "submenu", "modal": null, "previousFocus": null }' ); |
| 1188 |
$tags->set_attribute( 'data-wp-watch', 'callbacks.initMenu' ); |
| 1189 |
$tags->set_attribute( 'data-wp-on--focusout', 'actions.handleMenuFocusout' ); |
| 1190 |
$tags->set_attribute( 'data-wp-on--keydown', 'actions.handleMenuKeydown' ); |
| 1191 |
|
| 1192 |
// This is a fix for Safari. Without it, Safari doesn't change the active |
| 1193 |
// element when the user clicks on a button. It can be removed once we add |
| 1194 |
// an overlay to capture the clicks, instead of relying on the focusout |
| 1195 |
// event. |
| 1196 |
$tags->set_attribute( 'tabindex', '-1' ); |
| 1197 |
|
| 1198 |
$computed_visibility = gutenberg_block_core_navigation_get_submenu_visibility( $block_attributes ); |
| 1199 |
$open_on_hover = 'hover' === $computed_visibility; |
| 1200 |
|
| 1201 |
if ( $open_on_hover ) { |
| 1202 |
$tags->set_attribute( 'data-wp-on--pointerenter', 'actions.openMenuOnHover' ); |
| 1203 |
$tags->set_attribute( 'data-wp-on--pointerleave', 'actions.closeMenuOnHover' ); |
| 1204 |
} |
| 1205 |
|
| 1206 |
// Add directives to the toggle submenu button. |
| 1207 |
if ( $tags->next_tag( |
| 1208 |
array( |
| 1209 |
'tag_name' => 'BUTTON', |
| 1210 |
'class_name' => 'wp-block-navigation-submenu__toggle', |
| 1211 |
) |
| 1212 |
) ) { |
| 1213 |
$tags->set_attribute( 'data-wp-on--click', 'actions.toggleMenuOnClick' ); |
| 1214 |
$tags->set_attribute( 'data-wp-bind--aria-expanded', 'state.isMenuOpen' ); |
| 1215 |
// The `aria-expanded` attribute for SSR is already added in the submenu block. |
| 1216 |
} |
| 1217 |
// Add directives to the submenu. |
| 1218 |
if ( $tags->next_tag( |
| 1219 |
array( |
| 1220 |
'tag_name' => 'UL', |
| 1221 |
'class_name' => 'wp-block-navigation__submenu-container', |
| 1222 |
) |
| 1223 |
) ) { |
| 1224 |
$tags->set_attribute( 'data-wp-on--focus', 'actions.openMenuOnFocus' ); |
| 1225 |
} |
| 1226 |
|
| 1227 |
// Iterate through subitems if exist. |
| 1228 |
gutenberg_block_core_navigation_add_directives_to_submenu( $tags, $block_attributes ); |
| 1229 |
} |
| 1230 |
return $tags->get_updated_html(); |
| 1231 |
} |
| 1232 |
|
| 1233 |
/** |
| 1234 |
* Build an array with CSS classes and inline styles defining the colors |
| 1235 |
* which will be applied to the navigation markup in the front-end. |
| 1236 |
* |
| 1237 |
* @since 5.9.0 |
| 1238 |
* |
| 1239 |
* @param array $attributes Navigation block attributes. |
| 1240 |
* |
| 1241 |
* @return array Colors CSS classes and inline styles. |
| 1242 |
*/ |
| 1243 |
function gutenberg_block_core_navigation_build_css_colors( $attributes ) { |
| 1244 |
$colors = array( |
| 1245 |
'css_classes' => array(), |
| 1246 |
'inline_styles' => '', |
| 1247 |
'overlay_css_classes' => array(), |
| 1248 |
'overlay_inline_styles' => '', |
| 1249 |
); |
| 1250 |
|
| 1251 |
// Text color. |
| 1252 |
$has_named_text_color = array_key_exists( 'textColor', $attributes ); |
| 1253 |
$has_custom_text_color = array_key_exists( 'customTextColor', $attributes ); |
| 1254 |
|
| 1255 |
// If has text color. |
| 1256 |
if ( $has_custom_text_color || $has_named_text_color ) { |
| 1257 |
// Add has-text-color class. |
| 1258 |
$colors['css_classes'][] = 'has-text-color'; |
| 1259 |
} |
| 1260 |
|
| 1261 |
if ( $has_named_text_color ) { |
| 1262 |
// Add the color class. |
| 1263 |
$colors['css_classes'][] = sprintf( 'has-%s-color', $attributes['textColor'] ); |
| 1264 |
} elseif ( $has_custom_text_color ) { |
| 1265 |
// Add the custom color inline style. |
| 1266 |
$colors['inline_styles'] .= sprintf( 'color: %s;', $attributes['customTextColor'] ); |
| 1267 |
} |
| 1268 |
|
| 1269 |
// Background color. |
| 1270 |
$has_named_background_color = array_key_exists( 'backgroundColor', $attributes ); |
| 1271 |
$has_custom_background_color = array_key_exists( 'customBackgroundColor', $attributes ); |
| 1272 |
|
| 1273 |
// If has background color. |
| 1274 |
if ( $has_custom_background_color || $has_named_background_color ) { |
| 1275 |
// Add has-background class. |
| 1276 |
$colors['css_classes'][] = 'has-background'; |
| 1277 |
} |
| 1278 |
|
| 1279 |
if ( $has_named_background_color ) { |
| 1280 |
// Add the background-color class. |
| 1281 |
$colors['css_classes'][] = sprintf( 'has-%s-background-color', $attributes['backgroundColor'] ); |
| 1282 |
} elseif ( $has_custom_background_color ) { |
| 1283 |
// Add the custom background-color inline style. |
| 1284 |
$colors['inline_styles'] .= sprintf( 'background-color: %s;', $attributes['customBackgroundColor'] ); |
| 1285 |
} |
| 1286 |
|
| 1287 |
// Overlay text color. |
| 1288 |
$has_named_overlay_text_color = array_key_exists( 'overlayTextColor', $attributes ); |
| 1289 |
$has_custom_overlay_text_color = array_key_exists( 'customOverlayTextColor', $attributes ); |
| 1290 |
|
| 1291 |
// If has overlay text color. |
| 1292 |
if ( $has_custom_overlay_text_color || $has_named_overlay_text_color ) { |
| 1293 |
// Add has-text-color class. |
| 1294 |
$colors['overlay_css_classes'][] = 'has-text-color'; |
| 1295 |
} |
| 1296 |
|
| 1297 |
if ( $has_named_overlay_text_color ) { |
| 1298 |
// Add the overlay color class. |
| 1299 |
$colors['overlay_css_classes'][] = sprintf( 'has-%s-color', $attributes['overlayTextColor'] ); |
| 1300 |
} elseif ( $has_custom_overlay_text_color ) { |
| 1301 |
// Add the custom overlay color inline style. |
| 1302 |
$colors['overlay_inline_styles'] .= sprintf( 'color: %s;', $attributes['customOverlayTextColor'] ); |
| 1303 |
} |
| 1304 |
|
| 1305 |
// Overlay background color. |
| 1306 |
$has_named_overlay_background_color = array_key_exists( 'overlayBackgroundColor', $attributes ); |
| 1307 |
$has_custom_overlay_background_color = array_key_exists( 'customOverlayBackgroundColor', $attributes ); |
| 1308 |
|
| 1309 |
// If has overlay background color. |
| 1310 |
if ( $has_custom_overlay_background_color || $has_named_overlay_background_color ) { |
| 1311 |
// Add has-background class. |
| 1312 |
$colors['overlay_css_classes'][] = 'has-background'; |
| 1313 |
} |
| 1314 |
|
| 1315 |
if ( $has_named_overlay_background_color ) { |
| 1316 |
// Add the overlay background-color class. |
| 1317 |
$colors['overlay_css_classes'][] = sprintf( 'has-%s-background-color', $attributes['overlayBackgroundColor'] ); |
| 1318 |
} elseif ( $has_custom_overlay_background_color ) { |
| 1319 |
// Add the custom overlay background-color inline style. |
| 1320 |
$colors['overlay_inline_styles'] .= sprintf( 'background-color: %s;', $attributes['customOverlayBackgroundColor'] ); |
| 1321 |
} |
| 1322 |
|
| 1323 |
return $colors; |
| 1324 |
} |
| 1325 |
|
| 1326 |
/** |
| 1327 |
* Build an array with CSS classes and inline styles defining the font sizes |
| 1328 |
* which will be applied to the navigation markup in the front-end. |
| 1329 |
* |
| 1330 |
* @since 5.9.0 |
| 1331 |
* |
| 1332 |
* @param array $attributes Navigation block attributes. |
| 1333 |
* |
| 1334 |
* @return array Font size CSS classes and inline styles. |
| 1335 |
*/ |
| 1336 |
function gutenberg_block_core_navigation_build_css_font_sizes( $attributes ) { |
| 1337 |
// CSS classes. |
| 1338 |
$font_sizes = array( |
| 1339 |
'css_classes' => array(), |
| 1340 |
'inline_styles' => '', |
| 1341 |
); |
| 1342 |
|
| 1343 |
$has_named_font_size = array_key_exists( 'fontSize', $attributes ); |
| 1344 |
$has_custom_font_size = array_key_exists( 'customFontSize', $attributes ); |
| 1345 |
|
| 1346 |
if ( $has_named_font_size ) { |
| 1347 |
// Add the font size class. |
| 1348 |
$font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $attributes['fontSize'] ); |
| 1349 |
} elseif ( $has_custom_font_size ) { |
| 1350 |
// Add the custom font size inline style. |
| 1351 |
$font_sizes['inline_styles'] = sprintf( 'font-size: %spx;', $attributes['customFontSize'] ); |
| 1352 |
} |
| 1353 |
|
| 1354 |
return $font_sizes; |
| 1355 |
} |
| 1356 |
|
| 1357 |
/** |
| 1358 |
* Filter out empty "null" blocks from the block list. |
| 1359 |
* 'parse_blocks' includes a null block with '\n\n' as the content when |
| 1360 |
* it encounters whitespace. This is not a bug but rather how the parser |
| 1361 |
* is designed. |
| 1362 |
* |
| 1363 |
* @since 5.9.0 |
| 1364 |
* |
| 1365 |
* @param array $parsed_blocks the parsed blocks to be normalized. |
| 1366 |
* @return array the normalized parsed blocks. |
| 1367 |
*/ |
| 1368 |
function gutenberg_block_core_navigation_filter_out_empty_blocks( $parsed_blocks ) { |
| 1369 |
$filtered = array_filter( |
| 1370 |
$parsed_blocks, |
| 1371 |
static function ( $block ) { |
| 1372 |
return isset( $block['blockName'] ); |
| 1373 |
} |
| 1374 |
); |
| 1375 |
|
| 1376 |
// Reset keys. |
| 1377 |
return array_values( $filtered ); |
| 1378 |
} |
| 1379 |
|
| 1380 |
/** |
| 1381 |
* Recursively checks if blocks contain a specific block type. |
| 1382 |
* |
| 1383 |
* @since 7.0.0 |
| 1384 |
* |
| 1385 |
* @param WP_Block_List $blocks The list of blocks to check. |
| 1386 |
* @param string $block_type The block type to search for (e.g., 'core/navigation'). |
| 1387 |
* @param array $skip_block_types Optional. Block types to skip when recursing. Default empty array. |
| 1388 |
* @return bool Returns true if the specified block type is found. |
| 1389 |
*/ |
| 1390 |
function gutenberg_block_core_navigation_block_tree_has_block_type( $blocks, $block_type, $skip_block_types = array() ) { |
| 1391 |
if ( empty( $blocks ) ) { |
| 1392 |
return false; |
| 1393 |
} |
| 1394 |
|
| 1395 |
foreach ( $blocks as $block ) { |
| 1396 |
if ( $block_type === $block->name ) { |
| 1397 |
return true; |
| 1398 |
} |
| 1399 |
|
| 1400 |
// Recursively check inner blocks, skipping specified block types. |
| 1401 |
if ( ! in_array( $block->name, $skip_block_types, true ) && ! empty( $block->inner_blocks ) ) { |
| 1402 |
if ( gutenberg_block_core_navigation_block_tree_has_block_type( $block->inner_blocks, $block_type, $skip_block_types ) ) { |
| 1403 |
return true; |
| 1404 |
} |
| 1405 |
} |
| 1406 |
} |
| 1407 |
|
| 1408 |
return false; |
| 1409 |
} |
| 1410 |
|
| 1411 |
/** |
| 1412 |
* Returns true if the navigation block contains a nested navigation block. |
| 1413 |
* |
| 1414 |
* @since 6.2.0 |
| 1415 |
* @deprecated 7.0.0 Use gutenberg_block_core_navigation_block_tree_has_block_type() instead. |
| 1416 |
* |
| 1417 |
* @param WP_Block_List $inner_blocks Inner block instance to be normalized. |
| 1418 |
* @return bool true if the navigation block contains a nested navigation block. |
| 1419 |
*/ |
| 1420 |
function gutenberg_block_core_navigation_block_contains_core_navigation( $inner_blocks ) { |
| 1421 |
_deprecated_function( __FUNCTION__, '7.0.0', 'gutenberg_block_core_navigation_block_tree_has_block_type()' ); |
| 1422 |
|
| 1423 |
return gutenberg_block_core_navigation_block_tree_has_block_type( |
| 1424 |
$inner_blocks, |
| 1425 |
'core/navigation' |
| 1426 |
); |
| 1427 |
} |
| 1428 |
|
| 1429 |
/** |
| 1430 |
* Retrieves the appropriate fallback to be used on the front of the |
| 1431 |
* site when there is no menu assigned to the Nav block. |
| 1432 |
* |
| 1433 |
* This aims to mirror how the fallback mechanic for wp_nav_menu works. |
| 1434 |
* See https://developer.wordpress.org/reference/functions/wp_nav_menu/#more-information. |
| 1435 |
* |
| 1436 |
* @since 5.9.0 |
| 1437 |
* |
| 1438 |
* @return array the array of blocks to be used as a fallback. |
| 1439 |
*/ |
| 1440 |
function gutenberg_block_core_navigation_get_fallback_blocks() { |
| 1441 |
$page_list_fallback = array( |
| 1442 |
array( |
| 1443 |
'blockName' => 'core/page-list', |
| 1444 |
'innerContent' => array(), |
| 1445 |
'attrs' => array(), |
| 1446 |
), |
| 1447 |
); |
| 1448 |
|
| 1449 |
$registry = WP_Block_Type_Registry::get_instance(); |
| 1450 |
|
| 1451 |
// If `core/page-list` is not registered then return empty blocks. |
| 1452 |
$fallback_blocks = $registry->is_registered( 'core/page-list' ) ? $page_list_fallback : array(); |
| 1453 |
$navigation_post = WP_Navigation_Fallback::get_fallback(); |
| 1454 |
|
| 1455 |
// Use the first non-empty Navigation as fallback if available. |
| 1456 |
if ( $navigation_post ) { |
| 1457 |
$parsed_blocks = parse_blocks( $navigation_post->post_content ); |
| 1458 |
$maybe_fallback = gutenberg_block_core_navigation_filter_out_empty_blocks( $parsed_blocks ); |
| 1459 |
|
| 1460 |
// Normalizing blocks may result in an empty array of blocks if they were all `null` blocks. |
| 1461 |
// In this case default to the (Page List) fallback. |
| 1462 |
$fallback_blocks = ! empty( $maybe_fallback ) ? $maybe_fallback : $fallback_blocks; |
| 1463 |
|
| 1464 |
// Run Block Hooks algorithm to inject hooked blocks. |
| 1465 |
// We have to run it here because we need the post ID of the Navigation block to track ignored hooked blocks. |
| 1466 |
// TODO: See if we can move the apply_block_hooks_to_content_from_post_object() call |
| 1467 |
// before the parse_blocks() call further above, to avoid the extra serialization/parsing. |
| 1468 |
$markup = serialize_blocks( $fallback_blocks ); |
| 1469 |
$markup = apply_block_hooks_to_content_from_post_object( $markup, $navigation_post ); |
| 1470 |
$fallback_blocks = parse_blocks( $markup ); |
| 1471 |
} |
| 1472 |
|
| 1473 |
/** |
| 1474 |
* Filters the fallback experience for the Navigation block. |
| 1475 |
* |
| 1476 |
* Returning a falsey value will opt out of the fallback and cause the block not to render. |
| 1477 |
* To customise the blocks provided return an array of blocks - these should be valid |
| 1478 |
* children of the `core/navigation` block. |
| 1479 |
* |
| 1480 |
* @since 5.9.0 |
| 1481 |
* |
| 1482 |
* @param array[] $fallback_blocks default fallback blocks provided by the default block mechanic. |
| 1483 |
*/ |
| 1484 |
return apply_filters( 'block_core_navigation_render_fallback', $fallback_blocks ); |
| 1485 |
} |
| 1486 |
|
| 1487 |
/** |
| 1488 |
* Iterate through all inner blocks recursively and get navigation link block's post IDs. |
| 1489 |
* |
| 1490 |
* @since 6.0.0 |
| 1491 |
* |
| 1492 |
* @param WP_Block_List $inner_blocks Block list class instance. |
| 1493 |
* |
| 1494 |
* @return array Array of post IDs. |
| 1495 |
*/ |
| 1496 |
function gutenberg_block_core_navigation_get_post_ids( $inner_blocks ) { |
| 1497 |
$post_ids = array_map( 'gutenberg_block_core_navigation_from_block_get_post_ids', iterator_to_array( $inner_blocks ) ); |
| 1498 |
return array_unique( array_merge( ...$post_ids ) ); |
| 1499 |
} |
| 1500 |
|
| 1501 |
/** |
| 1502 |
* Get post IDs from a navigation link block instance. |
| 1503 |
* |
| 1504 |
* @since 6.0.0 |
| 1505 |
* |
| 1506 |
* @param WP_Block $block Instance of a block. |
| 1507 |
* |
| 1508 |
* @return array Array of post IDs. |
| 1509 |
*/ |
| 1510 |
function gutenberg_block_core_navigation_from_block_get_post_ids( $block ) { |
| 1511 |
$post_ids = array(); |
| 1512 |
|
| 1513 |
if ( $block->inner_blocks ) { |
| 1514 |
$post_ids = gutenberg_block_core_navigation_get_post_ids( $block->inner_blocks ); |
| 1515 |
} |
| 1516 |
|
| 1517 |
if ( 'core/navigation-link' === $block->name || 'core/navigation-submenu' === $block->name ) { |
| 1518 |
if ( $block->attributes && isset( $block->attributes['kind'] ) && 'post-type' === $block->attributes['kind'] && isset( $block->attributes['id'] ) ) { |
| 1519 |
$post_ids[] = $block->attributes['id']; |
| 1520 |
} |
| 1521 |
} |
| 1522 |
|
| 1523 |
return $post_ids; |
| 1524 |
} |
| 1525 |
|
| 1526 |
/** |
| 1527 |
* Renders the `core/navigation` block on server. |
| 1528 |
* |
| 1529 |
* @since 5.9.0 |
| 1530 |
* |
| 1531 |
* @param array $attributes The block attributes. |
| 1532 |
* @param string $content The saved content. |
| 1533 |
* @param WP_Block $block The parsed block. |
| 1534 |
* |
| 1535 |
* @return string Returns the navigation block markup. |
| 1536 |
*/ |
| 1537 |
function gutenberg_render_block_core_navigation( $attributes, $content, $block ) { |
| 1538 |
return WP_Navigation_Block_Renderer_Gutenberg::render( $attributes, $content, $block ); |
| 1539 |
} |
| 1540 |
|
| 1541 |
/** |
| 1542 |
* Register the navigation block. |
| 1543 |
* |
| 1544 |
* @since 5.9.0 |
| 1545 |
* |
| 1546 |
* @uses gutenberg_render_block_core_navigation() |
| 1547 |
* @throws WP_Error An WP_Error exception parsing the block definition. |
| 1548 |
*/ |
| 1549 |
function gutenberg_register_block_core_navigation() { |
| 1550 |
register_block_type_from_metadata( |
| 1551 |
__DIR__ . '/navigation', |
| 1552 |
array( |
| 1553 |
'render_callback' => 'gutenberg_render_block_core_navigation', |
| 1554 |
) |
| 1555 |
); |
| 1556 |
} |
| 1557 |
|
| 1558 |
add_action( 'init', 'gutenberg_register_block_core_navigation', 20 ); |
| 1559 |
|
| 1560 |
/** |
| 1561 |
* Adds the Navigation block state class to inner list containers. |
| 1562 |
* |
| 1563 |
* State block support adds the generated `wp-states-*` class to the outer |
| 1564 |
* block wrapper. The Navigation block renders its menu items inside an inner |
| 1565 |
* `wp-block-navigation__container` list, so the same state class is also needed |
| 1566 |
* there for state styles to apply directly to the menu list. |
| 1567 |
* |
| 1568 |
* Currently this is required as a workaround because of how difficult it is for nav |
| 1569 |
* child blocks to inherit styles through the complex responsive nav block html. The |
| 1570 |
* bug in https://github.com/WordPress/gutenberg/issues/62690 also prevents inheritance. |
| 1571 |
* |
| 1572 |
* @since 7.1.0 |
| 1573 |
* |
| 1574 |
* @param string $block_content The block content. |
| 1575 |
* @param array $block The full block, including name and attributes. |
| 1576 |
* @return string The updated block content. |
| 1577 |
*/ |
| 1578 |
function gutenberg_block_core_navigation_add_state_class_to_container( $block_content, $block ) { |
| 1579 |
if ( 'core/navigation' !== ( $block['blockName'] ?? null ) || empty( $block_content ) ) { |
| 1580 |
return $block_content; |
| 1581 |
} |
| 1582 |
|
| 1583 |
$processor = new WP_HTML_Tag_Processor( $block_content ); |
| 1584 |
if ( ! $processor->next_tag() ) { |
| 1585 |
return $block_content; |
| 1586 |
} |
| 1587 |
|
| 1588 |
$class_attribute = $processor->get_attribute( 'class' ); |
| 1589 |
if ( ! is_string( $class_attribute ) || ! preg_match( '/\bwp-states-[a-f0-9]{8}\b/', $class_attribute, $matches ) ) { |
| 1590 |
return $block_content; |
| 1591 |
} |
| 1592 |
|
| 1593 |
$state_class = $matches[0]; |
| 1594 |
while ( $processor->next_tag() ) { |
| 1595 |
// Custom overlay content can include nested Navigation blocks. |
| 1596 |
// Avoid applying the outer Navigation state class to an inner nav block. |
| 1597 |
if ( $processor->has_class( 'wp-block-navigation' ) && ! $processor->has_class( 'wp-block-navigation__container' ) ) { |
| 1598 |
break; |
| 1599 |
} |
| 1600 |
|
| 1601 |
if ( ! $processor->has_class( 'wp-block-navigation__container' ) ) { |
| 1602 |
continue; |
| 1603 |
} |
| 1604 |
|
| 1605 |
$class_attribute = $processor->get_attribute( 'class' ); |
| 1606 |
if ( is_string( $class_attribute ) && preg_match( '/\bwp-states-[a-f0-9]{8}\b/', $class_attribute ) ) { |
| 1607 |
continue; |
| 1608 |
} |
| 1609 |
|
| 1610 |
$processor->add_class( $state_class ); |
| 1611 |
} |
| 1612 |
|
| 1613 |
return $processor->get_updated_html(); |
| 1614 |
} |
| 1615 |
|
| 1616 |
add_filter( 'render_block', 'gutenberg_block_core_navigation_add_state_class_to_container', 11, 2 ); |
| 1617 |
|
| 1618 |
/** |
| 1619 |
* Filter that changes the parsed attribute values of navigation blocks contain typographic presets to contain the values directly. |
| 1620 |
* |
| 1621 |
* @since 5.9.0 |
| 1622 |
* |
| 1623 |
* @param array $parsed_block The block being rendered. |
| 1624 |
* |
| 1625 |
* @return array The block being rendered without typographic presets. |
| 1626 |
*/ |
| 1627 |
function gutenberg_block_core_navigation_typographic_presets_backcompatibility( $parsed_block ) { |
| 1628 |
if ( 'core/navigation' === $parsed_block['blockName'] ) { |
| 1629 |
$attribute_to_prefix_map = array( |
| 1630 |
'fontStyle' => 'var:preset|font-style|', |
| 1631 |
'fontWeight' => 'var:preset|font-weight|', |
| 1632 |
'textDecoration' => 'var:preset|text-decoration|', |
| 1633 |
'textTransform' => 'var:preset|text-transform|', |
| 1634 |
); |
| 1635 |
foreach ( $attribute_to_prefix_map as $style_attribute => $prefix ) { |
| 1636 |
if ( ! empty( $parsed_block['attrs']['style']['typography'][ $style_attribute ] ) ) { |
| 1637 |
$prefix_len = strlen( $prefix ); |
| 1638 |
$attribute_value = &$parsed_block['attrs']['style']['typography'][ $style_attribute ]; |
| 1639 |
if ( 0 === strncmp( $attribute_value, $prefix, $prefix_len ) ) { |
| 1640 |
$attribute_value = substr( $attribute_value, $prefix_len ); |
| 1641 |
} |
| 1642 |
if ( 'textDecoration' === $style_attribute && 'strikethrough' === $attribute_value ) { |
| 1643 |
$attribute_value = 'line-through'; |
| 1644 |
} |
| 1645 |
} |
| 1646 |
} |
| 1647 |
} |
| 1648 |
|
| 1649 |
return $parsed_block; |
| 1650 |
} |
| 1651 |
|
| 1652 |
add_filter( 'render_block_data', 'gutenberg_block_core_navigation_typographic_presets_backcompatibility' ); |
| 1653 |
|
| 1654 |
/** |
| 1655 |
* Turns menu item data into a nested array of parsed blocks |
| 1656 |
* |
| 1657 |
* @since 5.9.0 |
| 1658 |
* |
| 1659 |
* @deprecated 6.3.0 Use WP_Navigation_Fallback::parse_blocks_from_menu_items() instead. |
| 1660 |
* |
| 1661 |
* @param array $menu_items An array of menu items that represent |
| 1662 |
* an individual level of a menu. |
| 1663 |
* @param array $menu_items_by_parent_id An array keyed by the id of the |
| 1664 |
* parent menu where each element is an |
| 1665 |
* array of menu items that belong to |
| 1666 |
* that parent. |
| 1667 |
* @return array An array of parsed block data. |
| 1668 |
*/ |
| 1669 |
function gutenberg_block_core_navigation_parse_blocks_from_menu_items( $menu_items, $menu_items_by_parent_id ) { |
| 1670 |
|
| 1671 |
_deprecated_function( __FUNCTION__, '6.3.0', 'WP_Navigation_Fallback::parse_blocks_from_menu_items' ); |
| 1672 |
|
| 1673 |
if ( empty( $menu_items ) ) { |
| 1674 |
return array(); |
| 1675 |
} |
| 1676 |
|
| 1677 |
$blocks = array(); |
| 1678 |
|
| 1679 |
foreach ( $menu_items as $menu_item ) { |
| 1680 |
$class_name = ! empty( $menu_item->classes ) ? implode( ' ', (array) $menu_item->classes ) : null; |
| 1681 |
$id = ( null !== $menu_item->object_id && 'custom' !== $menu_item->object ) ? $menu_item->object_id : null; |
| 1682 |
$opens_in_new_tab = null !== $menu_item->target && '_blank' === $menu_item->target; |
| 1683 |
$rel = ( null !== $menu_item->xfn && '' !== $menu_item->xfn ) ? $menu_item->xfn : null; |
| 1684 |
$kind = null !== $menu_item->type ? str_replace( '_', '-', $menu_item->type ) : 'custom'; |
| 1685 |
|
| 1686 |
$block = array( |
| 1687 |
'blockName' => isset( $menu_items_by_parent_id[ $menu_item->ID ] ) ? 'core/navigation-submenu' : 'core/navigation-link', |
| 1688 |
'attrs' => array( |
| 1689 |
'className' => $class_name, |
| 1690 |
'description' => $menu_item->description, |
| 1691 |
'id' => $id, |
| 1692 |
'kind' => $kind, |
| 1693 |
'label' => $menu_item->title, |
| 1694 |
'opensInNewTab' => $opens_in_new_tab, |
| 1695 |
'rel' => $rel, |
| 1696 |
'title' => $menu_item->attr_title, |
| 1697 |
'type' => $menu_item->object, |
| 1698 |
'url' => $menu_item->url, |
| 1699 |
), |
| 1700 |
); |
| 1701 |
|
| 1702 |
$block['innerBlocks'] = isset( $menu_items_by_parent_id[ $menu_item->ID ] ) |
| 1703 |
? gutenberg_block_core_navigation_parse_blocks_from_menu_items( $menu_items_by_parent_id[ $menu_item->ID ], $menu_items_by_parent_id ) |
| 1704 |
: array(); |
| 1705 |
$block['innerContent'] = array_map( 'serialize_block', $block['innerBlocks'] ); |
| 1706 |
|
| 1707 |
$blocks[] = $block; |
| 1708 |
} |
| 1709 |
|
| 1710 |
return $blocks; |
| 1711 |
} |
| 1712 |
|
| 1713 |
/** |
| 1714 |
* Get the classic navigation menu to use as a fallback. |
| 1715 |
* |
| 1716 |
* @since 6.2.0 |
| 1717 |
* |
| 1718 |
* @deprecated 6.3.0 Use WP_Navigation_Fallback::get_classic_menu_fallback() instead. |
| 1719 |
* |
| 1720 |
* @return object WP_Term The classic navigation. |
| 1721 |
*/ |
| 1722 |
function gutenberg_block_core_navigation_get_classic_menu_fallback() { |
| 1723 |
|
| 1724 |
_deprecated_function( __FUNCTION__, '6.3.0', 'WP_Navigation_Fallback::get_classic_menu_fallback' ); |
| 1725 |
|
| 1726 |
$classic_nav_menus = wp_get_nav_menus(); |
| 1727 |
|
| 1728 |
// If menus exist. |
| 1729 |
if ( $classic_nav_menus && ! is_wp_error( $classic_nav_menus ) ) { |
| 1730 |
// Handles simple use case where user has a classic menu and switches to a block theme. |
| 1731 |
|
| 1732 |
// Returns the menu assigned to location `primary`. |
| 1733 |
$locations = get_nav_menu_locations(); |
| 1734 |
if ( isset( $locations['primary'] ) ) { |
| 1735 |
$primary_menu = wp_get_nav_menu_object( $locations['primary'] ); |
| 1736 |
if ( $primary_menu ) { |
| 1737 |
return $primary_menu; |
| 1738 |
} |
| 1739 |
} |
| 1740 |
|
| 1741 |
// Returns a menu if `primary` is its slug. |
| 1742 |
foreach ( $classic_nav_menus as $classic_nav_menu ) { |
| 1743 |
if ( 'primary' === $classic_nav_menu->slug ) { |
| 1744 |
return $classic_nav_menu; |
| 1745 |
} |
| 1746 |
} |
| 1747 |
|
| 1748 |
// Otherwise return the most recently created classic menu. |
| 1749 |
usort( |
| 1750 |
$classic_nav_menus, |
| 1751 |
static function ( $a, $b ) { |
| 1752 |
return $b->term_id - $a->term_id; |
| 1753 |
} |
| 1754 |
); |
| 1755 |
return $classic_nav_menus[0]; |
| 1756 |
} |
| 1757 |
} |
| 1758 |
|
| 1759 |
/** |
| 1760 |
* Converts a classic navigation to blocks. |
| 1761 |
* |
| 1762 |
* @since 6.2.0 |
| 1763 |
* |
| 1764 |
* @deprecated 6.3.0 Use WP_Navigation_Fallback::get_classic_menu_fallback_blocks() instead. |
| 1765 |
* |
| 1766 |
* @param object $classic_nav_menu WP_Term The classic navigation object to convert. |
| 1767 |
* @return array the normalized parsed blocks. |
| 1768 |
*/ |
| 1769 |
function gutenberg_block_core_navigation_get_classic_menu_fallback_blocks( $classic_nav_menu ) { |
| 1770 |
|
| 1771 |
_deprecated_function( __FUNCTION__, '6.3.0', 'WP_Navigation_Fallback::get_classic_menu_fallback_blocks' ); |
| 1772 |
|
| 1773 |
// BEGIN: Code that already exists in wp_nav_menu(). |
| 1774 |
$menu_items = wp_get_nav_menu_items( $classic_nav_menu->term_id, array( 'update_post_term_cache' => false ) ); |
| 1775 |
|
| 1776 |
// Set up the $menu_item variables. |
| 1777 |
_wp_menu_item_classes_by_context( $menu_items ); |
| 1778 |
|
| 1779 |
$sorted_menu_items = array(); |
| 1780 |
foreach ( (array) $menu_items as $menu_item ) { |
| 1781 |
$sorted_menu_items[ $menu_item->menu_order ] = $menu_item; |
| 1782 |
} |
| 1783 |
|
| 1784 |
unset( $menu_items, $menu_item ); |
| 1785 |
|
| 1786 |
// END: Code that already exists in wp_nav_menu(). |
| 1787 |
|
| 1788 |
$menu_items_by_parent_id = array(); |
| 1789 |
foreach ( $sorted_menu_items as $menu_item ) { |
| 1790 |
$menu_items_by_parent_id[ $menu_item->menu_item_parent ][] = $menu_item; |
| 1791 |
} |
| 1792 |
|
| 1793 |
$inner_blocks = gutenberg_block_core_navigation_parse_blocks_from_menu_items( |
| 1794 |
$menu_items_by_parent_id[0] ?? array(), |
| 1795 |
$menu_items_by_parent_id |
| 1796 |
); |
| 1797 |
|
| 1798 |
return serialize_blocks( $inner_blocks ); |
| 1799 |
} |
| 1800 |
|
| 1801 |
/** |
| 1802 |
* If there's a classic menu then use it as a fallback. |
| 1803 |
* |
| 1804 |
* @since 6.2.0 |
| 1805 |
* |
| 1806 |
* @deprecated 6.3.0 Use WP_Navigation_Fallback::create_classic_menu_fallback() instead. |
| 1807 |
* |
| 1808 |
* @return array the normalized parsed blocks. |
| 1809 |
*/ |
| 1810 |
function gutenberg_block_core_navigation_maybe_use_classic_menu_fallback() { |
| 1811 |
|
| 1812 |
_deprecated_function( __FUNCTION__, '6.3.0', 'WP_Navigation_Fallback::create_classic_menu_fallback' ); |
| 1813 |
|
| 1814 |
// See if we have a classic menu. |
| 1815 |
$classic_nav_menu = gutenberg_block_core_navigation_get_classic_menu_fallback(); |
| 1816 |
|
| 1817 |
if ( ! $classic_nav_menu ) { |
| 1818 |
return; |
| 1819 |
} |
| 1820 |
|
| 1821 |
// If we have a classic menu then convert it to blocks. |
| 1822 |
$classic_nav_menu_blocks = gutenberg_block_core_navigation_get_classic_menu_fallback_blocks( $classic_nav_menu ); |
| 1823 |
|
| 1824 |
if ( empty( $classic_nav_menu_blocks ) ) { |
| 1825 |
return; |
| 1826 |
} |
| 1827 |
|
| 1828 |
// Create a new navigation menu from the classic menu. |
| 1829 |
$wp_insert_post_result = wp_insert_post( |
| 1830 |
array( |
| 1831 |
'post_content' => $classic_nav_menu_blocks, |
| 1832 |
'post_title' => $classic_nav_menu->name, |
| 1833 |
'post_name' => $classic_nav_menu->slug, |
| 1834 |
'post_status' => 'publish', |
| 1835 |
'post_type' => 'wp_navigation', |
| 1836 |
), |
| 1837 |
true // So that we can check whether the result is an error. |
| 1838 |
); |
| 1839 |
|
| 1840 |
if ( is_wp_error( $wp_insert_post_result ) ) { |
| 1841 |
return; |
| 1842 |
} |
| 1843 |
|
| 1844 |
// Fetch the most recently published navigation which will be the classic one created above. |
| 1845 |
return gutenberg_block_core_navigation_get_most_recently_published_navigation(); |
| 1846 |
} |
| 1847 |
|
| 1848 |
/** |
| 1849 |
* Finds the most recently published `wp_navigation` Post. |
| 1850 |
* |
| 1851 |
* @since 6.1.0 |
| 1852 |
* |
| 1853 |
* @deprecated 6.3.0 Use WP_Navigation_Fallback::get_most_recently_published_navigation() instead. |
| 1854 |
* |
| 1855 |
* @return WP_Post|null the first non-empty Navigation or null. |
| 1856 |
*/ |
| 1857 |
function gutenberg_block_core_navigation_get_most_recently_published_navigation() { |
| 1858 |
|
| 1859 |
_deprecated_function( __FUNCTION__, '6.3.0', 'WP_Navigation_Fallback::get_most_recently_published_navigation' ); |
| 1860 |
|
| 1861 |
// Default to the most recently created menu. |
| 1862 |
$parsed_args = array( |
| 1863 |
'post_type' => 'wp_navigation', |
| 1864 |
'no_found_rows' => true, |
| 1865 |
'update_post_meta_cache' => false, |
| 1866 |
'update_post_term_cache' => false, |
| 1867 |
'order' => 'DESC', |
| 1868 |
'orderby' => 'date', |
| 1869 |
'post_status' => 'publish', |
| 1870 |
'posts_per_page' => 1, // get only the most recent. |
| 1871 |
); |
| 1872 |
|
| 1873 |
$navigation_post = new WP_Query( $parsed_args ); |
| 1874 |
if ( count( $navigation_post->posts ) > 0 ) { |
| 1875 |
return $navigation_post->posts[0]; |
| 1876 |
} |
| 1877 |
|
| 1878 |
return null; |
| 1879 |
} |
| 1880 |
|
