--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/blocks/page-list.php Wed Sep 21 18:19:35 2022 +0200
@@ -0,0 +1,227 @@
+<?php
+/**
+ * Server-side rendering of the `core/pages` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Build an array with CSS classes and inline styles defining the colors
+ * which will be applied to the pages markup in the front-end when it is a descendant of navigation.
+ *
+ * @param array $context Navigation block context.
+ * @return array Colors CSS classes and inline styles.
+ */
+function block_core_page_list_build_css_colors( $context ) {
+ $colors = array(
+ 'css_classes' => array(),
+ 'inline_styles' => '',
+ );
+
+ // Text color.
+ $has_named_text_color = array_key_exists( 'textColor', $context );
+ $has_custom_text_color = isset( $context['style']['color']['text'] );
+
+ // If has text color.
+ if ( $has_custom_text_color || $has_named_text_color ) {
+ // Add has-text-color class.
+ $colors['css_classes'][] = 'has-text-color';
+ }
+
+ if ( $has_named_text_color ) {
+ // Add the color class.
+ $colors['css_classes'][] = sprintf( 'has-%s-color', $context['textColor'] );
+ } elseif ( $has_custom_text_color ) {
+ // Add the custom color inline style.
+ $colors['inline_styles'] .= sprintf( 'color: %s;', $context['style']['color']['text'] );
+ }
+
+ // Background color.
+ $has_named_background_color = array_key_exists( 'backgroundColor', $context );
+ $has_custom_background_color = isset( $context['style']['color']['background'] );
+
+ // If has background color.
+ if ( $has_custom_background_color || $has_named_background_color ) {
+ // Add has-background class.
+ $colors['css_classes'][] = 'has-background';
+ }
+
+ if ( $has_named_background_color ) {
+ // Add the background-color class.
+ $colors['css_classes'][] = sprintf( 'has-%s-background-color', $context['backgroundColor'] );
+ } elseif ( $has_custom_background_color ) {
+ // Add the custom background-color inline style.
+ $colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['style']['color']['background'] );
+ }
+
+ return $colors;
+}
+
+/**
+ * Build an array with CSS classes and inline styles defining the font sizes
+ * which will be applied to the pages markup in the front-end when it is a descendant of navigation.
+ *
+ * @param array $context Navigation block context.
+ * @return array Font size CSS classes and inline styles.
+ */
+function block_core_page_list_build_css_font_sizes( $context ) {
+ // CSS classes.
+ $font_sizes = array(
+ 'css_classes' => array(),
+ 'inline_styles' => '',
+ );
+
+ $has_named_font_size = array_key_exists( 'fontSize', $context );
+ $has_custom_font_size = isset( $context['style']['typography']['fontSize'] );
+
+ if ( $has_named_font_size ) {
+ // Add the font size class.
+ $font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] );
+ } elseif ( $has_custom_font_size ) {
+ // Add the custom font size inline style.
+ $font_sizes['inline_styles'] = sprintf( 'font-size: %spx;', $context['style']['typography']['fontSize'] );
+ }
+
+ return $font_sizes;
+}
+
+/**
+ * Outputs Page list markup from an array of pages with nested children.
+ *
+ * @param array $nested_pages The array of nested pages.
+ *
+ * @return string List markup.
+ */
+function block_core_page_list_render_nested_page_list( $nested_pages ) {
+ if ( empty( $nested_pages ) ) {
+ return;
+ }
+ $markup = '';
+ foreach ( (array) $nested_pages as $page ) {
+ $css_class = 'wp-block-pages-list__item';
+ if ( isset( $page['children'] ) ) {
+ $css_class .= ' has-child';
+ }
+ $markup .= '<li class="' . $css_class . '">';
+ $markup .= '<a class="wp-block-pages-list__item__link" href="' . esc_url( $page['link'] ) . '">' . wp_kses(
+ $page['title'],
+ wp_kses_allowed_html( 'post' )
+ ) . '</a>';
+ if ( isset( $page['children'] ) ) {
+ $markup .= '<span class="wp-block-page-list__submenu-icon"><svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12" fill="none" role="img" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg></span>';
+ $markup .= '<ul class="submenu-container">' . block_core_page_list_render_nested_page_list( $page['children'] ) . '</ul>';
+ }
+ $markup .= '</li>';
+ }
+ return $markup;
+}
+
+/**
+ * Outputs nested array of pages
+ *
+ * @param array $current_level The level being iterated through.
+ * @param array $children The children grouped by parent post ID.
+ *
+ * @return array The nested array of pages.
+ */
+function block_core_page_list_nest_pages( $current_level, $children ) {
+ if ( empty( $current_level ) ) {
+ return;
+ }
+ foreach ( (array) $current_level as $key => $current ) {
+ if ( isset( $children[ $key ] ) ) {
+ $current_level[ $key ]['children'] = block_core_page_list_nest_pages( $children[ $key ], $children );
+ }
+ }
+ return $current_level;
+}
+
+/**
+ * Renders the `core/page-list` block on server.
+ *
+ * @param array $attributes The block attributes.
+ * @param array $content The saved content.
+ * @param array $block The parsed block.
+ *
+ * @return string Returns the page list markup.
+ */
+function render_block_core_page_list( $attributes, $content, $block ) {
+ static $block_id = 0;
+ $block_id++;
+
+ // TODO: When https://core.trac.wordpress.org/ticket/39037 REST API support for multiple orderby values is resolved,
+ // update 'sort_column' to 'menu_order, post_title'. Sorting by both menu_order and post_title ensures a stable sort.
+ // Otherwise with pages that have the same menu_order value, we can see different ordering depending on how DB
+ // queries are constructed internally. For example we might see a different order when a limit is set to <499
+ // versus >= 500.
+ $all_pages = get_pages(
+ array(
+ 'sort_column' => 'menu_order',
+ 'order' => 'asc',
+ )
+ );
+
+ $top_level_pages = array();
+
+ $pages_with_children = array();
+
+ foreach ( (array) $all_pages as $page ) {
+ if ( $page->post_parent ) {
+ $pages_with_children[ $page->post_parent ][ $page->ID ] = array(
+ 'title' => $page->post_title,
+ 'link' => get_permalink( $page->ID ),
+ );
+ } else {
+ $top_level_pages[ $page->ID ] = array(
+ 'title' => $page->post_title,
+ 'link' => get_permalink( $page->ID ),
+ );
+
+ }
+ }
+
+ $nested_pages = block_core_page_list_nest_pages( $top_level_pages, $pages_with_children );
+
+ $wrapper_markup = '<ul %1$s>%2$s</ul>';
+
+ $items_markup = block_core_page_list_render_nested_page_list( $nested_pages );
+
+ $colors = block_core_page_list_build_css_colors( $block->context );
+ $font_sizes = block_core_page_list_build_css_font_sizes( $block->context );
+ $classes = array_merge(
+ $colors['css_classes'],
+ $font_sizes['css_classes']
+ );
+ $style_attribute = ( $colors['inline_styles'] . $font_sizes['inline_styles'] );
+ $css_classes = trim( implode( ' ', $classes ) );
+
+ if ( $block->context && $block->context['showSubmenuIcon'] ) {
+ $css_classes .= ' show-submenu-icons';
+ }
+
+ $wrapper_attributes = get_block_wrapper_attributes(
+ array(
+ 'class' => $css_classes,
+ 'style' => $style_attribute,
+ )
+ );
+
+ return sprintf(
+ $wrapper_markup,
+ $wrapper_attributes,
+ $items_markup
+ );
+}
+
+ /**
+ * Registers the `core/pages` block on server.
+ */
+function register_block_core_page_list() {
+ register_block_type_from_metadata(
+ __DIR__ . '/page-list',
+ array(
+ 'render_callback' => 'render_block_core_page_list',
+ )
+ );
+}
+ add_action( 'init', 'register_block_core_page_list' );