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1 <?php 2 /** 3 * Server-side rendering of the `core/pages` 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 pages markup in the front-end when it is a descendant of navigation. 11 * 12 * @since 5.8.0 13 * 14 * @param array $attributes Block attributes. 15 * @param array $context Navigation block context. 16 * @return array Colors CSS classes and inline styles. 17 */ 18 function block_core_page_list_build_css_colors( $attributes, $context ) { 19 $colors = array( 20 'css_classes' => array(), 21 'inline_styles' => '', 22 'overlay_css_classes' => array(), 23 'overlay_inline_styles' => '', 24 ); 25 26 // Text color. 27 $has_named_text_color = array_key_exists( 'textColor', $context ); 28 $has_picked_text_color = array_key_exists( 'customTextColor', $context ); 29 $has_custom_text_color = isset( $context['style']['color']['text'] ); 30 31 // If has text color. 32 if ( $has_custom_text_color || $has_picked_text_color || $has_named_text_color ) { 33 // Add has-text-color class. 34 $colors['css_classes'][] = 'has-text-color'; 35 } 36 37 if ( $has_named_text_color ) { 38 // Add the color class. 39 $colors['css_classes'][] = sprintf( 'has-%s-color', _wp_to_kebab_case( $context['textColor'] ) ); 40 } elseif ( $has_picked_text_color ) { 41 $colors['inline_styles'] .= sprintf( 'color: %s;', $context['customTextColor'] ); 42 } elseif ( $has_custom_text_color ) { 43 // Add the custom color inline style. 44 $colors['inline_styles'] .= sprintf( 'color: %s;', $context['style']['color']['text'] ); 45 } 46 47 // Background color. 48 $has_named_background_color = array_key_exists( 'backgroundColor', $context ); 49 $has_picked_background_color = array_key_exists( 'customBackgroundColor', $context ); 50 $has_custom_background_color = isset( $context['style']['color']['background'] ); 51 52 // If has background color. 53 if ( $has_custom_background_color || $has_picked_background_color || $has_named_background_color ) { 54 // Add has-background class. 55 $colors['css_classes'][] = 'has-background'; 56 } 57 58 if ( $has_named_background_color ) { 59 // Add the background-color class. 60 $colors['css_classes'][] = sprintf( 'has-%s-background-color', _wp_to_kebab_case( $context['backgroundColor'] ) ); 61 } elseif ( $has_picked_background_color ) { 62 $colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['customBackgroundColor'] ); 63 } elseif ( $has_custom_background_color ) { 64 // Add the custom background-color inline style. 65 $colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['style']['color']['background'] ); 66 } 67 68 // Overlay text color. 69 $has_named_overlay_text_color = array_key_exists( 'overlayTextColor', $context ); 70 $has_picked_overlay_text_color = array_key_exists( 'customOverlayTextColor', $context ); 71 72 // If it has a text color. 73 if ( $has_named_overlay_text_color || $has_picked_overlay_text_color ) { 74 $colors['overlay_css_classes'][] = 'has-text-color'; 75 } 76 77 // Give overlay colors priority, fall back to Navigation block colors, then global styles. 78 if ( $has_named_overlay_text_color ) { 79 $colors['overlay_css_classes'][] = sprintf( 'has-%s-color', _wp_to_kebab_case( $context['overlayTextColor'] ) ); 80 } elseif ( $has_picked_overlay_text_color ) { 81 $colors['overlay_inline_styles'] .= sprintf( 'color: %s;', $context['customOverlayTextColor'] ); 82 } 83 84 // Overlay background colors. 85 $has_named_overlay_background_color = array_key_exists( 'overlayBackgroundColor', $context ); 86 $has_picked_overlay_background_color = array_key_exists( 'customOverlayBackgroundColor', $context ); 87 88 // If has background color. 89 if ( $has_named_overlay_background_color || $has_picked_overlay_background_color ) { 90 $colors['overlay_css_classes'][] = 'has-background'; 91 } 92 93 if ( $has_named_overlay_background_color ) { 94 $colors['overlay_css_classes'][] = sprintf( 'has-%s-background-color', _wp_to_kebab_case( $context['overlayBackgroundColor'] ) ); 95 } elseif ( $has_picked_overlay_background_color ) { 96 $colors['overlay_inline_styles'] .= sprintf( 'background-color: %s;', $context['customOverlayBackgroundColor'] ); 97 } 98 99 return $colors; 100 } 101 102 /** 103 * Build an array with CSS classes and inline styles defining the font sizes 104 * which will be applied to the pages markup in the front-end when it is a descendant of navigation. 105 * 106 * @since 5.8.0 107 * 108 * @param array $context Navigation block context. 109 * @return array Font size CSS classes and inline styles. 110 */ 111 function block_core_page_list_build_css_font_sizes( $context ) { 112 // CSS classes. 113 $font_sizes = array( 114 'css_classes' => array(), 115 'inline_styles' => '', 116 ); 117 118 $has_named_font_size = array_key_exists( 'fontSize', $context ); 119 $has_custom_font_size = isset( $context['style']['typography']['fontSize'] ); 120 121 if ( $has_named_font_size ) { 122 // Add the font size class. 123 $font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] ); 124 } elseif ( $has_custom_font_size ) { 125 // Add the custom font size inline style. 126 $font_sizes['inline_styles'] = sprintf( 127 'font-size: %s;', 128 wp_get_typography_font_size_value( 129 array( 130 'size' => $context['style']['typography']['fontSize'], 131 ) 132 ) 133 ); 134 } 135 136 return $font_sizes; 137 } 138 139 /** 140 * Outputs Page list markup from an array of pages with nested children. 141 * 142 * @since 5.8.0 143 * 144 * @param boolean $open_submenus_on_click Whether to open submenus on click instead of hover. 145 * @param boolean $show_submenu_icons Whether to show submenu indicator icons. 146 * @param boolean $is_navigation_child If block is a child of Navigation block. 147 * @param array $nested_pages The array of nested pages. 148 * @param boolean $is_nested Whether the submenu is nested or not. 149 * @param array $active_page_ancestor_ids An array of ancestor ids for active page. 150 * @param array $colors Color information for overlay styles. 151 * @param integer $depth The nesting depth. 152 * 153 * @return string List markup. 154 */ 155 function block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $nested_pages, $is_nested, $active_page_ancestor_ids = array(), $colors = array(), $depth = 0 ) { 156 if ( empty( $nested_pages ) ) { 157 return; 158 } 159 $front_page_id = (int) get_option( 'page_on_front' ); 160 $markup = ''; 161 foreach ( (array) $nested_pages as $page ) { 162 $css_class = $page['is_active'] ? ' current-menu-item' : ''; 163 $aria_current = $page['is_active'] ? ' aria-current="page"' : ''; 164 $style_attribute = ''; 165 166 $css_class .= in_array( $page['page_id'], $active_page_ancestor_ids, true ) ? ' current-menu-ancestor' : ''; 167 if ( isset( $page['children'] ) ) { 168 $css_class .= ' has-child'; 169 } 170 171 if ( $is_navigation_child ) { 172 $css_class .= ' wp-block-navigation-item'; 173 174 if ( $open_submenus_on_click ) { 175 $css_class .= ' open-on-click'; 176 } elseif ( $show_submenu_icons ) { 177 $css_class .= ' open-on-hover-click'; 178 } 179 } 180 181 $navigation_child_content_class = $is_navigation_child ? ' wp-block-navigation-item__content' : ''; 182 183 // If this is the first level of submenus, include the overlay colors. 184 if ( ( ( 0 < $depth && ! $is_nested ) || $is_nested ) && isset( $colors['overlay_css_classes'], $colors['overlay_inline_styles'] ) ) { 185 $css_class .= ' ' . trim( implode( ' ', $colors['overlay_css_classes'] ) ); 186 if ( '' !== $colors['overlay_inline_styles'] ) { 187 $style_attribute = sprintf( ' style="%s"', esc_attr( $colors['overlay_inline_styles'] ) ); 188 } 189 } 190 191 if ( (int) $page['page_id'] === $front_page_id ) { 192 $css_class .= ' menu-item-home'; 193 } 194 195 $title = wp_kses_post( $page['title'] ); 196 $title = $title ? $title : __( '(no title)' ); 197 198 $aria_label = sprintf( 199 /* translators: Accessibility text. %s: Parent page title. */ 200 __( '%s submenu' ), 201 wp_strip_all_tags( $title ) 202 ); 203 204 $markup .= '<li class="wp-block-pages-list__item' . esc_attr( $css_class ) . '"' . $style_attribute . '>'; 205 206 if ( isset( $page['children'] ) && $is_navigation_child && $open_submenus_on_click ) { 207 $markup .= '<button aria-label="' . esc_attr( $aria_label ) . '" class="' . esc_attr( $navigation_child_content_class ) . ' wp-block-navigation-submenu__toggle" aria-expanded="false">' . esc_html( $title ) . 208 '</button><span class="wp-block-page-list__submenu-icon wp-block-navigation__submenu-icon"><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></span>'; 209 } else { 210 $markup .= '<a class="wp-block-pages-list__item__link' . esc_attr( $navigation_child_content_class ) . '" href="' . esc_url( $page['link'] ) . '"' . $aria_current . '>' . $title . '</a>'; 211 } 212 213 if ( isset( $page['children'] ) ) { 214 if ( $is_navigation_child && $show_submenu_icons && ! $open_submenus_on_click ) { 215 $markup .= '<button aria-label="' . esc_attr( $aria_label ) . '" class="wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle" aria-expanded="false">'; 216 $markup .= '<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>'; 217 $markup .= '</button>'; 218 } 219 $markup .= '<ul class="wp-block-navigation__submenu-container">'; 220 $markup .= block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $page['children'], $is_nested, $active_page_ancestor_ids, $colors, $depth + 1 ); 221 $markup .= '</ul>'; 222 } 223 $markup .= '</li>'; 224 } 225 return $markup; 226 } 227 228 /** 229 * Outputs nested array of pages 230 * 231 * @since 5.8.0 232 * 233 * @param array $current_level The level being iterated through. 234 * @param array $children The children grouped by parent post ID. 235 * 236 * @return array The nested array of pages. 237 */ 238 function block_core_page_list_nest_pages( $current_level, $children ) { 239 if ( empty( $current_level ) ) { 240 return; 241 } 242 foreach ( (array) $current_level as $key => $current ) { 243 if ( isset( $children[ $key ] ) ) { 244 $current_level[ $key ]['children'] = block_core_page_list_nest_pages( $children[ $key ], $children ); 245 } 246 } 247 return $current_level; 248 } 249 250 /** 251 * Renders the `core/page-list` block on server. 252 * 253 * @since 5.8.0 254 * 255 * @param array $attributes The block attributes. 256 * @param string $content The saved content. 257 * @param WP_Block $block The parsed block. 258 * 259 * @return string Returns the page list markup. 260 */ 261 function render_block_core_page_list( $attributes, $content, $block ) { 262 static $block_id = 0; 263 ++$block_id; 264 265 $parent_page_id = $attributes['parentPageID']; 266 $is_nested = $attributes['isNested']; 267 268 $all_pages = get_pages( 269 array( 270 'sort_column' => 'menu_order,post_title', 271 'order' => 'asc', 272 ) 273 ); 274 275 // If there are no pages, there is nothing to show. 276 if ( empty( $all_pages ) ) { 277 return; 278 } 279 280 $top_level_pages = array(); 281 282 $pages_with_children = array(); 283 284 $active_page_ancestor_ids = array(); 285 286 foreach ( (array) $all_pages as $page ) { 287 $is_active = ! empty( $page->ID ) && ( get_queried_object_id() === $page->ID ); 288 289 if ( $is_active ) { 290 $active_page_ancestor_ids = get_post_ancestors( $page->ID ); 291 } 292 293 if ( $page->post_parent ) { 294 $pages_with_children[ $page->post_parent ][ $page->ID ] = array( 295 'page_id' => $page->ID, 296 'title' => $page->post_title, 297 'link' => get_permalink( $page ), 298 'is_active' => $is_active, 299 ); 300 } else { 301 $top_level_pages[ $page->ID ] = array( 302 'page_id' => $page->ID, 303 'title' => $page->post_title, 304 'link' => get_permalink( $page ), 305 'is_active' => $is_active, 306 ); 307 308 } 309 } 310 311 $colors = block_core_page_list_build_css_colors( $attributes, $block->context ); 312 $font_sizes = block_core_page_list_build_css_font_sizes( $block->context ); 313 $classes = array_merge( 314 $colors['css_classes'], 315 $font_sizes['css_classes'] 316 ); 317 $style_attribute = ( $colors['inline_styles'] . $font_sizes['inline_styles'] ); 318 $css_classes = trim( implode( ' ', $classes ) ); 319 320 $nested_pages = block_core_page_list_nest_pages( $top_level_pages, $pages_with_children ); 321 322 if ( 0 !== $parent_page_id ) { 323 // If the parent page has no child pages, there is nothing to show. 324 if ( ! array_key_exists( $parent_page_id, $pages_with_children ) ) { 325 return; 326 } 327 328 $nested_pages = block_core_page_list_nest_pages( 329 $pages_with_children[ $parent_page_id ], 330 $pages_with_children 331 ); 332 } 333 334 $is_navigation_child = array_key_exists( 'showSubmenuIcon', $block->context ); 335 336 $open_submenus_on_click = array_key_exists( 'openSubmenusOnClick', $block->context ) ? $block->context['openSubmenusOnClick'] : false; 337 338 $show_submenu_icons = array_key_exists( 'showSubmenuIcon', $block->context ) ? $block->context['showSubmenuIcon'] : false; 339 340 $wrapper_markup = $is_nested ? '%2$s' : '<ul %1$s>%2$s</ul>'; 341 342 $items_markup = block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $nested_pages, $is_nested, $active_page_ancestor_ids, $colors ); 343 344 $wrapper_attributes = get_block_wrapper_attributes( 345 array( 346 'class' => $css_classes, 347 'style' => $style_attribute, 348 ) 349 ); 350 351 return sprintf( 352 $wrapper_markup, 353 $wrapper_attributes, 354 $items_markup 355 ); 356 } 357 358 /** 359 * Registers the `core/pages` block on server. 360 * 361 * @since 5.8.0 362 */ 363 function register_block_core_page_list() { 364 register_block_type_from_metadata( 365 __DIR__ . '/page-list', 366 array( 367 'render_callback' => 'render_block_core_page_list', 368 ) 369 ); 370 } 371 add_action( 'init', 'register_block_core_page_list' );
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| Generated : Tue Dec 24 08:20:01 2024 | Cross-referenced by PHPXref |