| 1 |
<?php |
| 2 |
/** |
| 3 |
* Server-side rendering of the `core/navigation-link` block. |
| 4 |
* |
| 5 |
* @package WordPress |
| 6 |
*/ |
| 7 |
|
| 8 |
/** |
| 9 |
* Build an array with CSS classes and inline styles defining the colors |
| 10 |
* which will be applied to the navigation markup in the front-end. |
| 11 |
* |
| 12 |
* @param array $context Navigation block context. |
| 13 |
* @param array $attributes Block attributes. |
| 14 |
* @param bool $is_sub_menu Whether the link is part of a sub-menu. |
| 15 |
* @return array Colors CSS classes and inline styles. |
| 16 |
*/ |
| 17 |
function gutenberg_block_core_navigation_link_build_css_colors( $context, $attributes, $is_sub_menu = false ) { |
| 18 |
$colors = array( |
| 19 |
'css_classes' => array(), |
| 20 |
'inline_styles' => '', |
| 21 |
); |
| 22 |
|
| 23 |
// Text color. |
| 24 |
$named_text_color = null; |
| 25 |
$custom_text_color = null; |
| 26 |
|
| 27 |
if ( $is_sub_menu && array_key_exists( 'customOverlayTextColor', $context ) ) { |
| 28 |
$custom_text_color = $context['customOverlayTextColor']; |
| 29 |
} elseif ( $is_sub_menu && array_key_exists( 'overlayTextColor', $context ) ) { |
| 30 |
$named_text_color = $context['overlayTextColor']; |
| 31 |
} elseif ( array_key_exists( 'customTextColor', $context ) ) { |
| 32 |
$custom_text_color = $context['customTextColor']; |
| 33 |
} elseif ( array_key_exists( 'textColor', $context ) ) { |
| 34 |
$named_text_color = $context['textColor']; |
| 35 |
} elseif ( isset( $context['style']['color']['text'] ) ) { |
| 36 |
$custom_text_color = $context['style']['color']['text']; |
| 37 |
} |
| 38 |
|
| 39 |
// If has text color. |
| 40 |
if ( ! is_null( $named_text_color ) ) { |
| 41 |
// Add the color class. |
| 42 |
array_push( $colors['css_classes'], 'has-text-color', sprintf( 'has-%s-color', $named_text_color ) ); |
| 43 |
} elseif ( ! is_null( $custom_text_color ) ) { |
| 44 |
// Add the custom color inline style. |
| 45 |
$colors['css_classes'][] = 'has-text-color'; |
| 46 |
$colors['inline_styles'] .= sprintf( 'color: %s;', $custom_text_color ); |
| 47 |
} |
| 48 |
|
| 49 |
// Background color. |
| 50 |
$named_background_color = null; |
| 51 |
$custom_background_color = null; |
| 52 |
|
| 53 |
if ( $is_sub_menu && array_key_exists( 'customOverlayBackgroundColor', $context ) ) { |
| 54 |
$custom_background_color = $context['customOverlayBackgroundColor']; |
| 55 |
} elseif ( $is_sub_menu && array_key_exists( 'overlayBackgroundColor', $context ) ) { |
| 56 |
$named_background_color = $context['overlayBackgroundColor']; |
| 57 |
} elseif ( array_key_exists( 'customBackgroundColor', $context ) ) { |
| 58 |
$custom_background_color = $context['customBackgroundColor']; |
| 59 |
} elseif ( array_key_exists( 'backgroundColor', $context ) ) { |
| 60 |
$named_background_color = $context['backgroundColor']; |
| 61 |
} elseif ( isset( $context['style']['color']['background'] ) ) { |
| 62 |
$custom_background_color = $context['style']['color']['background']; |
| 63 |
} |
| 64 |
|
| 65 |
// If has background color. |
| 66 |
if ( ! is_null( $named_background_color ) ) { |
| 67 |
// Add the background-color class. |
| 68 |
array_push( $colors['css_classes'], 'has-background', sprintf( 'has-%s-background-color', $named_background_color ) ); |
| 69 |
} elseif ( ! is_null( $custom_background_color ) ) { |
| 70 |
// Add the custom background-color inline style. |
| 71 |
$colors['css_classes'][] = 'has-background'; |
| 72 |
$colors['inline_styles'] .= sprintf( 'background-color: %s;', $custom_background_color ); |
| 73 |
} |
| 74 |
|
| 75 |
return $colors; |
| 76 |
} |
| 77 |
|
| 78 |
/** |
| 79 |
* Build an array with CSS classes and inline styles defining the font sizes |
| 80 |
* which will be applied to the navigation markup in the front-end. |
| 81 |
* |
| 82 |
* @param array $context Navigation block context. |
| 83 |
* @return array Font size CSS classes and inline styles. |
| 84 |
*/ |
| 85 |
function gutenberg_block_core_navigation_link_build_css_font_sizes( $context ) { |
| 86 |
// CSS classes. |
| 87 |
$font_sizes = array( |
| 88 |
'css_classes' => array(), |
| 89 |
'inline_styles' => '', |
| 90 |
); |
| 91 |
|
| 92 |
$has_named_font_size = array_key_exists( 'fontSize', $context ); |
| 93 |
$has_custom_font_size = isset( $context['style']['typography']['fontSize'] ); |
| 94 |
|
| 95 |
if ( $has_named_font_size ) { |
| 96 |
// Add the font size class. |
| 97 |
$font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] ); |
| 98 |
} elseif ( $has_custom_font_size ) { |
| 99 |
// Add the custom font size inline style. |
| 100 |
$font_sizes['inline_styles'] = sprintf( |
| 101 |
'font-size: %s;', |
| 102 |
gutenberg_get_typography_font_size_value( |
| 103 |
array( |
| 104 |
'size' => $context['style']['typography']['fontSize'], |
| 105 |
) |
| 106 |
) |
| 107 |
); |
| 108 |
} |
| 109 |
|
| 110 |
return $font_sizes; |
| 111 |
} |
| 112 |
|
| 113 |
/** |
| 114 |
* Returns the top-level submenu SVG chevron icon. |
| 115 |
* |
| 116 |
* @return string |
| 117 |
*/ |
| 118 |
function gutenberg_block_core_navigation_link_render_submenu_icon() { |
| 119 |
return '<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12" fill="none" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg>'; |
| 120 |
} |
| 121 |
|
| 122 |
/** |
| 123 |
* Decodes a url if it's encoded, returning the same url if not. |
| 124 |
* |
| 125 |
* @param string $url The url to decode. |
| 126 |
* |
| 127 |
* @return string $url Returns the decoded url. |
| 128 |
*/ |
| 129 |
function gutenberg_block_core_navigation_link_maybe_urldecode( $url ) { |
| 130 |
$is_url_encoded = false; |
| 131 |
$query = parse_url( $url, PHP_URL_QUERY ); |
| 132 |
$query_params = wp_parse_args( $query ); |
| 133 |
|
| 134 |
foreach ( $query_params as $query_param ) { |
| 135 |
if ( rawurldecode( $query_param ) !== $query_param ) { |
| 136 |
$is_url_encoded = true; |
| 137 |
break; |
| 138 |
} |
| 139 |
} |
| 140 |
|
| 141 |
if ( $is_url_encoded ) { |
| 142 |
return rawurldecode( $url ); |
| 143 |
} |
| 144 |
|
| 145 |
return $url; |
| 146 |
} |
| 147 |
|
| 148 |
|
| 149 |
/** |
| 150 |
* Renders the `core/navigation-link` block. |
| 151 |
* |
| 152 |
* @param array $attributes The block attributes. |
| 153 |
* @param string $content The saved content. |
| 154 |
* @param WP_Block $block The parsed block. |
| 155 |
* |
| 156 |
* @return string Returns the post content with the legacy widget added. |
| 157 |
*/ |
| 158 |
function gutenberg_render_block_core_navigation_link( $attributes, $content, $block ) { |
| 159 |
$navigation_link_has_id = isset( $attributes['id'] ) && is_numeric( $attributes['id'] ); |
| 160 |
$is_post_type = isset( $attributes['kind'] ) && 'post-type' === $attributes['kind']; |
| 161 |
$is_post_type = $is_post_type || isset( $attributes['type'] ) && ( 'post' === $attributes['type'] || 'page' === $attributes['type'] ); |
| 162 |
|
| 163 |
// Don't render the block's subtree if it is a draft or if the ID does not exist. |
| 164 |
if ( $is_post_type && $navigation_link_has_id ) { |
| 165 |
$post = get_post( $attributes['id'] ); |
| 166 |
if ( ! $post || 'publish' !== $post->post_status ) { |
| 167 |
return ''; |
| 168 |
} |
| 169 |
} |
| 170 |
|
| 171 |
// Don't render the block's subtree if it has no label. |
| 172 |
if ( empty( $attributes['label'] ) ) { |
| 173 |
return ''; |
| 174 |
} |
| 175 |
|
| 176 |
$font_sizes = gutenberg_block_core_navigation_link_build_css_font_sizes( $block->context ); |
| 177 |
$classes = array_merge( |
| 178 |
$font_sizes['css_classes'] |
| 179 |
); |
| 180 |
$style_attribute = $font_sizes['inline_styles']; |
| 181 |
|
| 182 |
$css_classes = trim( implode( ' ', $classes ) ); |
| 183 |
$has_submenu = count( $block->inner_blocks ) > 0; |
| 184 |
$kind = empty( $attributes['kind'] ) ? 'post_type' : str_replace( '-', '_', $attributes['kind'] ); |
| 185 |
$is_active = ! empty( $attributes['id'] ) && get_queried_object_id() === (int) $attributes['id'] && ! empty( get_queried_object()->$kind ); |
| 186 |
|
| 187 |
$wrapper_attributes = get_block_wrapper_attributes( |
| 188 |
array( |
| 189 |
'class' => $css_classes . ' wp-block-navigation-item' . ( $has_submenu ? ' has-child' : '' ) . |
| 190 |
( $is_active ? ' current-menu-item' : '' ), |
| 191 |
'style' => $style_attribute, |
| 192 |
) |
| 193 |
); |
| 194 |
$html = '<li ' . $wrapper_attributes . '>' . |
| 195 |
'<a class="wp-block-navigation-item__content" '; |
| 196 |
|
| 197 |
// Start appending HTML attributes to anchor tag. |
| 198 |
if ( isset( $attributes['url'] ) ) { |
| 199 |
$html .= ' href="' . esc_url( gutenberg_block_core_navigation_link_maybe_urldecode( $attributes['url'] ) ) . '"'; |
| 200 |
} |
| 201 |
|
| 202 |
if ( $is_active ) { |
| 203 |
$html .= ' aria-current="page"'; |
| 204 |
} |
| 205 |
|
| 206 |
if ( isset( $attributes['opensInNewTab'] ) && true === $attributes['opensInNewTab'] ) { |
| 207 |
$html .= ' target="_blank" '; |
| 208 |
} |
| 209 |
|
| 210 |
if ( isset( $attributes['rel'] ) ) { |
| 211 |
$html .= ' rel="' . esc_attr( $attributes['rel'] ) . '"'; |
| 212 |
} elseif ( isset( $attributes['nofollow'] ) && $attributes['nofollow'] ) { |
| 213 |
$html .= ' rel="nofollow"'; |
| 214 |
} |
| 215 |
|
| 216 |
if ( isset( $attributes['title'] ) ) { |
| 217 |
$html .= ' title="' . esc_attr( $attributes['title'] ) . '"'; |
| 218 |
} |
| 219 |
|
| 220 |
// End appending HTML attributes to anchor tag. |
| 221 |
|
| 222 |
// Start anchor tag content. |
| 223 |
$html .= '>' . |
| 224 |
// Wrap title with span to isolate it from submenu icon. |
| 225 |
'<span class="wp-block-navigation-item__label">'; |
| 226 |
|
| 227 |
if ( isset( $attributes['label'] ) ) { |
| 228 |
$html .= wp_kses_post( $attributes['label'] ); |
| 229 |
} |
| 230 |
|
| 231 |
$html .= '</span>'; |
| 232 |
|
| 233 |
// Add description if available. |
| 234 |
if ( ! empty( $attributes['description'] ) ) { |
| 235 |
$html .= '<span class="wp-block-navigation-item__description">'; |
| 236 |
$html .= wp_kses_post( $attributes['description'] ); |
| 237 |
$html .= '</span>'; |
| 238 |
} |
| 239 |
|
| 240 |
$html .= '</a>'; |
| 241 |
// End anchor tag content. |
| 242 |
|
| 243 |
if ( isset( $block->context['showSubmenuIcon'] ) && $block->context['showSubmenuIcon'] && $has_submenu ) { |
| 244 |
// The submenu icon can be hidden by a CSS rule on the Navigation Block. |
| 245 |
$html .= '<span class="wp-block-navigation__submenu-icon">' . gutenberg_block_core_navigation_link_render_submenu_icon() . '</span>'; |
| 246 |
} |
| 247 |
|
| 248 |
if ( $has_submenu ) { |
| 249 |
$inner_blocks_html = ''; |
| 250 |
foreach ( $block->inner_blocks as $inner_block ) { |
| 251 |
$inner_blocks_html .= $inner_block->render(); |
| 252 |
} |
| 253 |
|
| 254 |
$html .= sprintf( |
| 255 |
'<ul class="wp-block-navigation__submenu-container">%s</ul>', |
| 256 |
$inner_blocks_html |
| 257 |
); |
| 258 |
} |
| 259 |
|
| 260 |
$html .= '</li>'; |
| 261 |
|
| 262 |
return $html; |
| 263 |
} |
| 264 |
|
| 265 |
/** |
| 266 |
* Returns a navigation link variation |
| 267 |
* |
| 268 |
* @param WP_Taxonomy|WP_Post_Type $entity post type or taxonomy entity. |
| 269 |
* @param string $kind string of value 'taxonomy' or 'post-type'. |
| 270 |
* |
| 271 |
* @return array |
| 272 |
*/ |
| 273 |
function gutenberg_build_variation_for_navigation_link( $entity, $kind ) { |
| 274 |
$title = ''; |
| 275 |
$description = ''; |
| 276 |
|
| 277 |
if ( property_exists( $entity->labels, 'item_link' ) ) { |
| 278 |
$title = $entity->labels->item_link; |
| 279 |
} |
| 280 |
if ( property_exists( $entity->labels, 'item_link_description' ) ) { |
| 281 |
$description = $entity->labels->item_link_description; |
| 282 |
} |
| 283 |
|
| 284 |
$variation = array( |
| 285 |
'name' => $entity->name, |
| 286 |
'title' => $title, |
| 287 |
'description' => $description, |
| 288 |
'attributes' => array( |
| 289 |
'type' => $entity->name, |
| 290 |
'kind' => $kind, |
| 291 |
), |
| 292 |
); |
| 293 |
|
| 294 |
// Tweak some value for the variations. |
| 295 |
$variation_overrides = array( |
| 296 |
'post_tag' => array( |
| 297 |
'name' => 'tag', |
| 298 |
'attributes' => array( |
| 299 |
'type' => 'tag', |
| 300 |
'kind' => $kind, |
| 301 |
), |
| 302 |
), |
| 303 |
'post_format' => array( |
| 304 |
// The item_link and item_link_description for post formats is the |
| 305 |
// same as for tags, so need to be overridden. |
| 306 |
'title' => __( 'Post Format Link' ), |
| 307 |
'description' => __( 'A link to a post format' ), |
| 308 |
'attributes' => array( |
| 309 |
'type' => 'post_format', |
| 310 |
'kind' => $kind, |
| 311 |
), |
| 312 |
), |
| 313 |
); |
| 314 |
|
| 315 |
if ( array_key_exists( $entity->name, $variation_overrides ) ) { |
| 316 |
$variation = array_merge( |
| 317 |
$variation, |
| 318 |
$variation_overrides[ $entity->name ] |
| 319 |
); |
| 320 |
} |
| 321 |
|
| 322 |
return $variation; |
| 323 |
} |
| 324 |
|
| 325 |
/** |
| 326 |
* Register the navigation link block. |
| 327 |
* |
| 328 |
* @uses render_block_core_navigation() |
| 329 |
* @throws WP_Error An WP_Error exception parsing the block definition. |
| 330 |
*/ |
| 331 |
function gutenberg_register_block_core_navigation_link() { |
| 332 |
$post_types = get_post_types( array( 'show_in_nav_menus' => true ), 'objects' ); |
| 333 |
$taxonomies = get_taxonomies( array( 'show_in_nav_menus' => true ), 'objects' ); |
| 334 |
|
| 335 |
// Use two separate arrays as a way to order the variations in the UI. |
| 336 |
// Known variations (like Post Link and Page Link) are added to the |
| 337 |
// `built_ins` array. Variations for custom post types and taxonomies are |
| 338 |
// added to the `variations` array and will always appear after `built-ins. |
| 339 |
$built_ins = array(); |
| 340 |
$variations = array(); |
| 341 |
|
| 342 |
if ( $post_types ) { |
| 343 |
foreach ( $post_types as $post_type ) { |
| 344 |
$variation = gutenberg_build_variation_for_navigation_link( $post_type, 'post-type' ); |
| 345 |
if ( $post_type->_builtin ) { |
| 346 |
$built_ins[] = $variation; |
| 347 |
} else { |
| 348 |
$variations[] = $variation; |
| 349 |
} |
| 350 |
} |
| 351 |
} |
| 352 |
if ( $taxonomies ) { |
| 353 |
foreach ( $taxonomies as $taxonomy ) { |
| 354 |
$variation = gutenberg_build_variation_for_navigation_link( $taxonomy, 'taxonomy' ); |
| 355 |
if ( $taxonomy->_builtin ) { |
| 356 |
$built_ins[] = $variation; |
| 357 |
} else { |
| 358 |
$variations[] = $variation; |
| 359 |
} |
| 360 |
} |
| 361 |
} |
| 362 |
|
| 363 |
register_block_type_from_metadata( |
| 364 |
__DIR__ . '/navigation-link', |
| 365 |
array( |
| 366 |
'render_callback' => 'gutenberg_render_block_core_navigation_link', |
| 367 |
'variations' => array_merge( $built_ins, $variations ), |
| 368 |
) |
| 369 |
); |
| 370 |
} |
| 371 |
add_action( 'init', 'gutenberg_register_block_core_navigation_link', 20 ); |
| 372 |
|
