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